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7725ccfd | 1 | /* |
a36c61f9 | 2 | * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. |
7725ccfd JH |
3 | * All rights reserved |
4 | * www.brocade.com | |
5 | * | |
6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License (GPL) Version 2 as | |
10 | * published by the Free Software Foundation | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | */ | |
17 | ||
f16a1750 | 18 | #include "bfad_drv.h" |
a36c61f9 | 19 | #include "bfa_modules.h" |
7725ccfd JH |
20 | |
21 | BFA_TRC_FILE(HAL, FCPIM); | |
7725ccfd | 22 | |
5fbe25c7 | 23 | /* |
a36c61f9 KG |
24 | * BFA ITNIM Related definitions |
25 | */ | |
26 | static void bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim); | |
83763d59 KG |
27 | static bfa_boolean_t bfa_ioim_lm_proc_rpl_data(struct bfa_ioim_s *ioim); |
28 | static bfa_boolean_t bfa_ioim_lm_proc_inq_data(struct bfa_ioim_s *ioim); | |
29 | static void bfa_ioim_lm_init(struct bfa_s *bfa); | |
a36c61f9 KG |
30 | |
31 | #define BFA_ITNIM_FROM_TAG(_fcpim, _tag) \ | |
32 | (((_fcpim)->itnim_arr + ((_tag) & ((_fcpim)->num_itnims - 1)))) | |
33 | ||
34 | #define bfa_fcpim_additn(__itnim) \ | |
35 | list_add_tail(&(__itnim)->qe, &(__itnim)->fcpim->itnim_q) | |
36 | #define bfa_fcpim_delitn(__itnim) do { \ | |
d4b671c5 | 37 | WARN_ON(!bfa_q_is_on_q(&(__itnim)->fcpim->itnim_q, __itnim)); \ |
a36c61f9 KG |
38 | bfa_itnim_update_del_itn_stats(__itnim); \ |
39 | list_del(&(__itnim)->qe); \ | |
d4b671c5 JH |
40 | WARN_ON(!list_empty(&(__itnim)->io_q)); \ |
41 | WARN_ON(!list_empty(&(__itnim)->io_cleanup_q)); \ | |
42 | WARN_ON(!list_empty(&(__itnim)->pending_q)); \ | |
a36c61f9 KG |
43 | } while (0) |
44 | ||
45 | #define bfa_itnim_online_cb(__itnim) do { \ | |
46 | if ((__itnim)->bfa->fcs) \ | |
47 | bfa_cb_itnim_online((__itnim)->ditn); \ | |
48 | else { \ | |
49 | bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ | |
50 | __bfa_cb_itnim_online, (__itnim)); \ | |
51 | } \ | |
52 | } while (0) | |
53 | ||
54 | #define bfa_itnim_offline_cb(__itnim) do { \ | |
55 | if ((__itnim)->bfa->fcs) \ | |
56 | bfa_cb_itnim_offline((__itnim)->ditn); \ | |
57 | else { \ | |
58 | bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ | |
59 | __bfa_cb_itnim_offline, (__itnim)); \ | |
60 | } \ | |
61 | } while (0) | |
62 | ||
83763d59 KG |
63 | #define bfa_ioim_rp_wwn(__ioim) \ |
64 | (((struct bfa_fcs_rport_s *) \ | |
65 | (__ioim)->itnim->rport->rport_drv)->pwwn) | |
66 | ||
67 | #define bfa_ioim_lp_wwn(__ioim) \ | |
68 | ((BFA_LPS_FROM_TAG(BFA_LPS_MOD((__ioim)->bfa), \ | |
69 | (__ioim)->itnim->rport->rport_info.lp_tag))->pwwn) \ | |
70 | ||
a36c61f9 KG |
71 | #define bfa_itnim_sler_cb(__itnim) do { \ |
72 | if ((__itnim)->bfa->fcs) \ | |
73 | bfa_cb_itnim_sler((__itnim)->ditn); \ | |
74 | else { \ | |
75 | bfa_cb_queue((__itnim)->bfa, &(__itnim)->hcb_qe, \ | |
76 | __bfa_cb_itnim_sler, (__itnim)); \ | |
77 | } \ | |
78 | } while (0) | |
79 | ||
83763d59 KG |
80 | enum bfa_ioim_lm_status { |
81 | BFA_IOIM_LM_PRESENT = 1, | |
82 | BFA_IOIM_LM_LUN_NOT_SUP = 2, | |
83 | BFA_IOIM_LM_RPL_DATA_CHANGED = 3, | |
84 | BFA_IOIM_LM_LUN_NOT_RDY = 4, | |
85 | }; | |
86 | ||
87 | enum bfa_ioim_lm_ua_status { | |
88 | BFA_IOIM_LM_UA_RESET = 0, | |
89 | BFA_IOIM_LM_UA_SET = 1, | |
90 | }; | |
91 | ||
5fbe25c7 | 92 | /* |
da99dcc9 | 93 | * itnim state machine event |
a36c61f9 | 94 | */ |
a36c61f9 KG |
95 | enum bfa_itnim_event { |
96 | BFA_ITNIM_SM_CREATE = 1, /* itnim is created */ | |
97 | BFA_ITNIM_SM_ONLINE = 2, /* itnim is online */ | |
98 | BFA_ITNIM_SM_OFFLINE = 3, /* itnim is offline */ | |
99 | BFA_ITNIM_SM_FWRSP = 4, /* firmware response */ | |
100 | BFA_ITNIM_SM_DELETE = 5, /* deleting an existing itnim */ | |
101 | BFA_ITNIM_SM_CLEANUP = 6, /* IO cleanup completion */ | |
102 | BFA_ITNIM_SM_SLER = 7, /* second level error recovery */ | |
103 | BFA_ITNIM_SM_HWFAIL = 8, /* IOC h/w failure event */ | |
104 | BFA_ITNIM_SM_QRESUME = 9, /* queue space available */ | |
105 | }; | |
106 | ||
5fbe25c7 | 107 | /* |
a36c61f9 KG |
108 | * BFA IOIM related definitions |
109 | */ | |
110 | #define bfa_ioim_move_to_comp_q(__ioim) do { \ | |
111 | list_del(&(__ioim)->qe); \ | |
112 | list_add_tail(&(__ioim)->qe, &(__ioim)->fcpim->ioim_comp_q); \ | |
113 | } while (0) | |
114 | ||
115 | ||
116 | #define bfa_ioim_cb_profile_comp(__fcpim, __ioim) do { \ | |
117 | if ((__fcpim)->profile_comp) \ | |
118 | (__fcpim)->profile_comp(__ioim); \ | |
119 | } while (0) | |
120 | ||
121 | #define bfa_ioim_cb_profile_start(__fcpim, __ioim) do { \ | |
122 | if ((__fcpim)->profile_start) \ | |
123 | (__fcpim)->profile_start(__ioim); \ | |
124 | } while (0) | |
a36c61f9 | 125 | |
5fbe25c7 | 126 | /* |
a36c61f9 KG |
127 | * IO state machine events |
128 | */ | |
129 | enum bfa_ioim_event { | |
130 | BFA_IOIM_SM_START = 1, /* io start request from host */ | |
131 | BFA_IOIM_SM_COMP_GOOD = 2, /* io good comp, resource free */ | |
132 | BFA_IOIM_SM_COMP = 3, /* io comp, resource is free */ | |
133 | BFA_IOIM_SM_COMP_UTAG = 4, /* io comp, resource is free */ | |
134 | BFA_IOIM_SM_DONE = 5, /* io comp, resource not free */ | |
135 | BFA_IOIM_SM_FREE = 6, /* io resource is freed */ | |
136 | BFA_IOIM_SM_ABORT = 7, /* abort request from scsi stack */ | |
137 | BFA_IOIM_SM_ABORT_COMP = 8, /* abort from f/w */ | |
138 | BFA_IOIM_SM_ABORT_DONE = 9, /* abort completion from f/w */ | |
139 | BFA_IOIM_SM_QRESUME = 10, /* CQ space available to queue IO */ | |
140 | BFA_IOIM_SM_SGALLOCED = 11, /* SG page allocation successful */ | |
141 | BFA_IOIM_SM_SQRETRY = 12, /* sequence recovery retry */ | |
142 | BFA_IOIM_SM_HCB = 13, /* bfa callback complete */ | |
143 | BFA_IOIM_SM_CLEANUP = 14, /* IO cleanup from itnim */ | |
144 | BFA_IOIM_SM_TMSTART = 15, /* IO cleanup from tskim */ | |
145 | BFA_IOIM_SM_TMDONE = 16, /* IO cleanup from tskim */ | |
146 | BFA_IOIM_SM_HWFAIL = 17, /* IOC h/w failure event */ | |
147 | BFA_IOIM_SM_IOTOV = 18, /* ITN offline TOV */ | |
83763d59 KG |
148 | BFA_IOIM_SM_LM_LUN_NOT_SUP = 19,/* lunmask lun not supported */ |
149 | BFA_IOIM_SM_LM_RPL_DC = 20, /* lunmask report-lun data changed */ | |
150 | BFA_IOIM_SM_LM_LUN_NOT_RDY = 21,/* lunmask lun not ready */ | |
a36c61f9 KG |
151 | }; |
152 | ||
153 | ||
5fbe25c7 | 154 | /* |
a36c61f9 KG |
155 | * BFA TSKIM related definitions |
156 | */ | |
157 | ||
5fbe25c7 | 158 | /* |
a36c61f9 KG |
159 | * task management completion handling |
160 | */ | |
161 | #define bfa_tskim_qcomp(__tskim, __cbfn) do { \ | |
162 | bfa_cb_queue((__tskim)->bfa, &(__tskim)->hcb_qe, __cbfn, (__tskim));\ | |
163 | bfa_tskim_notify_comp(__tskim); \ | |
164 | } while (0) | |
165 | ||
166 | #define bfa_tskim_notify_comp(__tskim) do { \ | |
167 | if ((__tskim)->notify) \ | |
168 | bfa_itnim_tskdone((__tskim)->itnim); \ | |
169 | } while (0) | |
170 | ||
171 | ||
172 | enum bfa_tskim_event { | |
173 | BFA_TSKIM_SM_START = 1, /* TM command start */ | |
174 | BFA_TSKIM_SM_DONE = 2, /* TM completion */ | |
175 | BFA_TSKIM_SM_QRESUME = 3, /* resume after qfull */ | |
176 | BFA_TSKIM_SM_HWFAIL = 5, /* IOC h/w failure event */ | |
177 | BFA_TSKIM_SM_HCB = 6, /* BFA callback completion */ | |
178 | BFA_TSKIM_SM_IOS_DONE = 7, /* IO and sub TM completions */ | |
179 | BFA_TSKIM_SM_CLEANUP = 8, /* TM cleanup on ITN offline */ | |
180 | BFA_TSKIM_SM_CLEANUP_DONE = 9, /* TM abort completion */ | |
181 | }; | |
182 | ||
5fbe25c7 | 183 | /* |
a36c61f9 KG |
184 | * forward declaration for BFA ITNIM functions |
185 | */ | |
186 | static void bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim); | |
187 | static bfa_boolean_t bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim); | |
188 | static bfa_boolean_t bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim); | |
189 | static void bfa_itnim_cleanp_comp(void *itnim_cbarg); | |
190 | static void bfa_itnim_cleanup(struct bfa_itnim_s *itnim); | |
191 | static void __bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete); | |
192 | static void __bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete); | |
193 | static void __bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete); | |
194 | static void bfa_itnim_iotov_online(struct bfa_itnim_s *itnim); | |
195 | static void bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim); | |
196 | static void bfa_itnim_iotov(void *itnim_arg); | |
197 | static void bfa_itnim_iotov_start(struct bfa_itnim_s *itnim); | |
198 | static void bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim); | |
199 | static void bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim); | |
200 | ||
5fbe25c7 | 201 | /* |
a36c61f9 KG |
202 | * forward declaration of ITNIM state machine |
203 | */ | |
204 | static void bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, | |
205 | enum bfa_itnim_event event); | |
206 | static void bfa_itnim_sm_created(struct bfa_itnim_s *itnim, | |
207 | enum bfa_itnim_event event); | |
208 | static void bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, | |
209 | enum bfa_itnim_event event); | |
210 | static void bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, | |
211 | enum bfa_itnim_event event); | |
212 | static void bfa_itnim_sm_online(struct bfa_itnim_s *itnim, | |
213 | enum bfa_itnim_event event); | |
214 | static void bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, | |
215 | enum bfa_itnim_event event); | |
216 | static void bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, | |
217 | enum bfa_itnim_event event); | |
218 | static void bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, | |
219 | enum bfa_itnim_event event); | |
220 | static void bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, | |
221 | enum bfa_itnim_event event); | |
222 | static void bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, | |
223 | enum bfa_itnim_event event); | |
224 | static void bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, | |
225 | enum bfa_itnim_event event); | |
226 | static void bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, | |
227 | enum bfa_itnim_event event); | |
228 | static void bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, | |
229 | enum bfa_itnim_event event); | |
230 | static void bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, | |
231 | enum bfa_itnim_event event); | |
232 | static void bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, | |
233 | enum bfa_itnim_event event); | |
234 | ||
5fbe25c7 | 235 | /* |
a36c61f9 KG |
236 | * forward declaration for BFA IOIM functions |
237 | */ | |
238 | static bfa_boolean_t bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim); | |
e3e7d3ee | 239 | static bfa_boolean_t bfa_ioim_sgpg_alloc(struct bfa_ioim_s *ioim); |
a36c61f9 KG |
240 | static bfa_boolean_t bfa_ioim_send_abort(struct bfa_ioim_s *ioim); |
241 | static void bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim); | |
242 | static void __bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete); | |
243 | static void __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete); | |
244 | static void __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete); | |
245 | static void __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete); | |
246 | static void __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete); | |
247 | static bfa_boolean_t bfa_ioim_is_abortable(struct bfa_ioim_s *ioim); | |
83763d59 KG |
248 | static void __bfa_cb_ioim_lm_lun_not_sup(void *cbarg, bfa_boolean_t complete); |
249 | static void __bfa_cb_ioim_lm_rpl_dc(void *cbarg, bfa_boolean_t complete); | |
250 | static void __bfa_cb_ioim_lm_lun_not_rdy(void *cbarg, bfa_boolean_t complete); | |
a36c61f9 | 251 | |
5fbe25c7 | 252 | /* |
a36c61f9 KG |
253 | * forward declaration of BFA IO state machine |
254 | */ | |
255 | static void bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, | |
256 | enum bfa_ioim_event event); | |
257 | static void bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, | |
258 | enum bfa_ioim_event event); | |
259 | static void bfa_ioim_sm_active(struct bfa_ioim_s *ioim, | |
260 | enum bfa_ioim_event event); | |
261 | static void bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, | |
262 | enum bfa_ioim_event event); | |
263 | static void bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, | |
264 | enum bfa_ioim_event event); | |
265 | static void bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, | |
266 | enum bfa_ioim_event event); | |
267 | static void bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, | |
268 | enum bfa_ioim_event event); | |
269 | static void bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, | |
270 | enum bfa_ioim_event event); | |
271 | static void bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, | |
272 | enum bfa_ioim_event event); | |
273 | static void bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, | |
274 | enum bfa_ioim_event event); | |
275 | static void bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, | |
276 | enum bfa_ioim_event event); | |
277 | static void bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim, | |
278 | enum bfa_ioim_event event); | |
5fbe25c7 | 279 | /* |
a36c61f9 KG |
280 | * forward declaration for BFA TSKIM functions |
281 | */ | |
282 | static void __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete); | |
283 | static void __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete); | |
284 | static bfa_boolean_t bfa_tskim_match_scope(struct bfa_tskim_s *tskim, | |
f314878a | 285 | struct scsi_lun lun); |
a36c61f9 KG |
286 | static void bfa_tskim_gather_ios(struct bfa_tskim_s *tskim); |
287 | static void bfa_tskim_cleanp_comp(void *tskim_cbarg); | |
288 | static void bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim); | |
289 | static bfa_boolean_t bfa_tskim_send(struct bfa_tskim_s *tskim); | |
290 | static bfa_boolean_t bfa_tskim_send_abort(struct bfa_tskim_s *tskim); | |
291 | static void bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim); | |
292 | ||
5fbe25c7 | 293 | /* |
a36c61f9 KG |
294 | * forward declaration of BFA TSKIM state machine |
295 | */ | |
296 | static void bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, | |
297 | enum bfa_tskim_event event); | |
298 | static void bfa_tskim_sm_active(struct bfa_tskim_s *tskim, | |
299 | enum bfa_tskim_event event); | |
300 | static void bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, | |
301 | enum bfa_tskim_event event); | |
302 | static void bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, | |
303 | enum bfa_tskim_event event); | |
304 | static void bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, | |
305 | enum bfa_tskim_event event); | |
306 | static void bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, | |
307 | enum bfa_tskim_event event); | |
308 | static void bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, | |
309 | enum bfa_tskim_event event); | |
5fbe25c7 | 310 | /* |
df0f1933 | 311 | * BFA FCP Initiator Mode module |
7725ccfd JH |
312 | */ |
313 | ||
5fbe25c7 | 314 | /* |
da99dcc9 | 315 | * Compute and return memory needed by FCP(im) module. |
7725ccfd JH |
316 | */ |
317 | static void | |
4507025d | 318 | bfa_fcpim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len) |
7725ccfd | 319 | { |
4507025d | 320 | bfa_itnim_meminfo(cfg, km_len); |
7725ccfd | 321 | |
5fbe25c7 | 322 | /* |
7725ccfd JH |
323 | * IO memory |
324 | */ | |
7725ccfd JH |
325 | *km_len += cfg->fwcfg.num_ioim_reqs * |
326 | (sizeof(struct bfa_ioim_s) + sizeof(struct bfa_ioim_sp_s)); | |
327 | ||
5fbe25c7 | 328 | /* |
7725ccfd JH |
329 | * task management command memory |
330 | */ | |
331 | if (cfg->fwcfg.num_tskim_reqs < BFA_TSKIM_MIN) | |
332 | cfg->fwcfg.num_tskim_reqs = BFA_TSKIM_MIN; | |
333 | *km_len += cfg->fwcfg.num_tskim_reqs * sizeof(struct bfa_tskim_s); | |
334 | } | |
335 | ||
336 | ||
337 | static void | |
e2187d7f | 338 | bfa_fcpim_attach(struct bfa_fcp_mod_s *fcp, void *bfad, |
4507025d | 339 | struct bfa_iocfc_cfg_s *cfg, struct bfa_pcidev_s *pcidev) |
7725ccfd | 340 | { |
e2187d7f KG |
341 | struct bfa_fcpim_s *fcpim = &fcp->fcpim; |
342 | struct bfa_s *bfa = fcp->bfa; | |
7725ccfd JH |
343 | |
344 | bfa_trc(bfa, cfg->drvcfg.path_tov); | |
345 | bfa_trc(bfa, cfg->fwcfg.num_rports); | |
346 | bfa_trc(bfa, cfg->fwcfg.num_ioim_reqs); | |
347 | bfa_trc(bfa, cfg->fwcfg.num_tskim_reqs); | |
348 | ||
e2187d7f | 349 | fcpim->fcp = fcp; |
a36c61f9 KG |
350 | fcpim->bfa = bfa; |
351 | fcpim->num_itnims = cfg->fwcfg.num_rports; | |
7725ccfd | 352 | fcpim->num_tskim_reqs = cfg->fwcfg.num_tskim_reqs; |
a36c61f9 KG |
353 | fcpim->path_tov = cfg->drvcfg.path_tov; |
354 | fcpim->delay_comp = cfg->drvcfg.delay_comp; | |
355 | fcpim->profile_comp = NULL; | |
356 | fcpim->profile_start = NULL; | |
7725ccfd | 357 | |
4507025d KG |
358 | bfa_itnim_attach(fcpim); |
359 | bfa_tskim_attach(fcpim); | |
360 | bfa_ioim_attach(fcpim); | |
7725ccfd JH |
361 | } |
362 | ||
7725ccfd | 363 | static void |
e2187d7f | 364 | bfa_fcpim_iocdisable(struct bfa_fcp_mod_s *fcp) |
7725ccfd | 365 | { |
e2187d7f | 366 | struct bfa_fcpim_s *fcpim = &fcp->fcpim; |
7725ccfd | 367 | struct bfa_itnim_s *itnim; |
a36c61f9 | 368 | struct list_head *qe, *qen; |
7725ccfd | 369 | |
3fd45980 KG |
370 | /* Enqueue unused ioim resources to free_q */ |
371 | list_splice_tail_init(&fcpim->tskim_unused_q, &fcpim->tskim_free_q); | |
372 | ||
7725ccfd JH |
373 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { |
374 | itnim = (struct bfa_itnim_s *) qe; | |
375 | bfa_itnim_iocdisable(itnim); | |
376 | } | |
377 | } | |
378 | ||
379 | void | |
380 | bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov) | |
381 | { | |
e2187d7f | 382 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
7725ccfd JH |
383 | |
384 | fcpim->path_tov = path_tov * 1000; | |
385 | if (fcpim->path_tov > BFA_FCPIM_PATHTOV_MAX) | |
386 | fcpim->path_tov = BFA_FCPIM_PATHTOV_MAX; | |
387 | } | |
388 | ||
389 | u16 | |
390 | bfa_fcpim_path_tov_get(struct bfa_s *bfa) | |
391 | { | |
e2187d7f | 392 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
7725ccfd | 393 | |
f8ceafde | 394 | return fcpim->path_tov / 1000; |
7725ccfd JH |
395 | } |
396 | ||
60138066 KG |
397 | #define bfa_fcpim_add_iostats(__l, __r, __stats) \ |
398 | (__l->__stats += __r->__stats) | |
399 | ||
400 | void | |
401 | bfa_fcpim_add_stats(struct bfa_itnim_iostats_s *lstats, | |
402 | struct bfa_itnim_iostats_s *rstats) | |
403 | { | |
404 | bfa_fcpim_add_iostats(lstats, rstats, total_ios); | |
405 | bfa_fcpim_add_iostats(lstats, rstats, qresumes); | |
406 | bfa_fcpim_add_iostats(lstats, rstats, no_iotags); | |
407 | bfa_fcpim_add_iostats(lstats, rstats, io_aborts); | |
408 | bfa_fcpim_add_iostats(lstats, rstats, no_tskims); | |
409 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_ok); | |
410 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_underrun); | |
411 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_overrun); | |
412 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_aborted); | |
413 | bfa_fcpim_add_iostats(lstats, rstats, iocomp_timedout); | |
414 | bfa_fcpim_add_iostats(lstats, rstats, iocom_nexus_abort); | |
415 | bfa_fcpim_add_iostats(lstats, rstats, iocom_proto_err); | |
416 | bfa_fcpim_add_iostats(lstats, rstats, iocom_dif_err); | |
417 | bfa_fcpim_add_iostats(lstats, rstats, iocom_sqer_needed); | |
418 | bfa_fcpim_add_iostats(lstats, rstats, iocom_res_free); | |
419 | bfa_fcpim_add_iostats(lstats, rstats, iocom_hostabrts); | |
420 | bfa_fcpim_add_iostats(lstats, rstats, iocom_utags); | |
421 | bfa_fcpim_add_iostats(lstats, rstats, io_cleanups); | |
422 | bfa_fcpim_add_iostats(lstats, rstats, io_tmaborts); | |
423 | bfa_fcpim_add_iostats(lstats, rstats, onlines); | |
424 | bfa_fcpim_add_iostats(lstats, rstats, offlines); | |
425 | bfa_fcpim_add_iostats(lstats, rstats, creates); | |
426 | bfa_fcpim_add_iostats(lstats, rstats, deletes); | |
427 | bfa_fcpim_add_iostats(lstats, rstats, create_comps); | |
428 | bfa_fcpim_add_iostats(lstats, rstats, delete_comps); | |
429 | bfa_fcpim_add_iostats(lstats, rstats, sler_events); | |
430 | bfa_fcpim_add_iostats(lstats, rstats, fw_create); | |
431 | bfa_fcpim_add_iostats(lstats, rstats, fw_delete); | |
432 | bfa_fcpim_add_iostats(lstats, rstats, ioc_disabled); | |
433 | bfa_fcpim_add_iostats(lstats, rstats, cleanup_comps); | |
434 | bfa_fcpim_add_iostats(lstats, rstats, tm_cmnds); | |
435 | bfa_fcpim_add_iostats(lstats, rstats, tm_fw_rsps); | |
436 | bfa_fcpim_add_iostats(lstats, rstats, tm_success); | |
437 | bfa_fcpim_add_iostats(lstats, rstats, tm_failures); | |
438 | bfa_fcpim_add_iostats(lstats, rstats, tm_io_comps); | |
439 | bfa_fcpim_add_iostats(lstats, rstats, tm_qresumes); | |
440 | bfa_fcpim_add_iostats(lstats, rstats, tm_iocdowns); | |
441 | bfa_fcpim_add_iostats(lstats, rstats, tm_cleanups); | |
442 | bfa_fcpim_add_iostats(lstats, rstats, tm_cleanup_comps); | |
443 | bfa_fcpim_add_iostats(lstats, rstats, io_comps); | |
444 | bfa_fcpim_add_iostats(lstats, rstats, input_reqs); | |
445 | bfa_fcpim_add_iostats(lstats, rstats, output_reqs); | |
446 | bfa_fcpim_add_iostats(lstats, rstats, rd_throughput); | |
447 | bfa_fcpim_add_iostats(lstats, rstats, wr_throughput); | |
83763d59 KG |
448 | bfa_fcpim_add_iostats(lstats, rstats, lm_lun_across_sg); |
449 | bfa_fcpim_add_iostats(lstats, rstats, lm_lun_not_sup); | |
450 | bfa_fcpim_add_iostats(lstats, rstats, lm_rpl_data_changed); | |
451 | bfa_fcpim_add_iostats(lstats, rstats, lm_wire_residue_changed); | |
452 | bfa_fcpim_add_iostats(lstats, rstats, lm_small_buf_addresidue); | |
453 | bfa_fcpim_add_iostats(lstats, rstats, lm_lun_not_rdy); | |
60138066 KG |
454 | } |
455 | ||
456 | bfa_status_t | |
457 | bfa_fcpim_port_iostats(struct bfa_s *bfa, | |
458 | struct bfa_itnim_iostats_s *stats, u8 lp_tag) | |
459 | { | |
460 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
461 | struct list_head *qe, *qen; | |
462 | struct bfa_itnim_s *itnim; | |
463 | ||
464 | /* accumulate IO stats from itnim */ | |
465 | memset(stats, 0, sizeof(struct bfa_itnim_iostats_s)); | |
466 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { | |
467 | itnim = (struct bfa_itnim_s *) qe; | |
468 | if (itnim->rport->rport_info.lp_tag != lp_tag) | |
469 | continue; | |
470 | bfa_fcpim_add_stats(stats, &(itnim->stats)); | |
471 | } | |
472 | return BFA_STATUS_OK; | |
473 | } | |
474 | ||
42a8e6e2 KG |
475 | void |
476 | bfa_ioim_profile_comp(struct bfa_ioim_s *ioim) | |
477 | { | |
478 | struct bfa_itnim_latency_s *io_lat = | |
479 | &(ioim->itnim->ioprofile.io_latency); | |
480 | u32 val, idx; | |
481 | ||
482 | val = (u32)(jiffies - ioim->start_time); | |
483 | idx = bfa_ioim_get_index(scsi_bufflen((struct scsi_cmnd *)ioim->dio)); | |
484 | bfa_itnim_ioprofile_update(ioim->itnim, idx); | |
485 | ||
486 | io_lat->count[idx]++; | |
487 | io_lat->min[idx] = (io_lat->min[idx] < val) ? io_lat->min[idx] : val; | |
488 | io_lat->max[idx] = (io_lat->max[idx] > val) ? io_lat->max[idx] : val; | |
489 | io_lat->avg[idx] += val; | |
490 | } | |
491 | ||
492 | void | |
493 | bfa_ioim_profile_start(struct bfa_ioim_s *ioim) | |
494 | { | |
495 | ioim->start_time = jiffies; | |
496 | } | |
497 | ||
498 | bfa_status_t | |
499 | bfa_fcpim_profile_on(struct bfa_s *bfa, u32 time) | |
500 | { | |
501 | struct bfa_itnim_s *itnim; | |
502 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
503 | struct list_head *qe, *qen; | |
504 | ||
505 | /* accumulate IO stats from itnim */ | |
506 | list_for_each_safe(qe, qen, &fcpim->itnim_q) { | |
507 | itnim = (struct bfa_itnim_s *) qe; | |
508 | bfa_itnim_clear_stats(itnim); | |
509 | } | |
510 | fcpim->io_profile = BFA_TRUE; | |
511 | fcpim->io_profile_start_time = time; | |
512 | fcpim->profile_comp = bfa_ioim_profile_comp; | |
513 | fcpim->profile_start = bfa_ioim_profile_start; | |
514 | return BFA_STATUS_OK; | |
515 | } | |
516 | ||
517 | bfa_status_t | |
518 | bfa_fcpim_profile_off(struct bfa_s *bfa) | |
519 | { | |
520 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
521 | fcpim->io_profile = BFA_FALSE; | |
522 | fcpim->io_profile_start_time = 0; | |
523 | fcpim->profile_comp = NULL; | |
524 | fcpim->profile_start = NULL; | |
525 | return BFA_STATUS_OK; | |
526 | } | |
527 | ||
7725ccfd JH |
528 | u16 |
529 | bfa_fcpim_qdepth_get(struct bfa_s *bfa) | |
530 | { | |
e2187d7f | 531 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
7725ccfd | 532 | |
f8ceafde | 533 | return fcpim->q_depth; |
7725ccfd JH |
534 | } |
535 | ||
5fbe25c7 | 536 | /* |
a36c61f9 KG |
537 | * BFA ITNIM module state machine functions |
538 | */ | |
539 | ||
5fbe25c7 | 540 | /* |
da99dcc9 | 541 | * Beginning/unallocated state - no events expected. |
a36c61f9 KG |
542 | */ |
543 | static void | |
544 | bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
545 | { | |
546 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
547 | bfa_trc(itnim->bfa, event); | |
548 | ||
549 | switch (event) { | |
550 | case BFA_ITNIM_SM_CREATE: | |
551 | bfa_sm_set_state(itnim, bfa_itnim_sm_created); | |
552 | itnim->is_online = BFA_FALSE; | |
553 | bfa_fcpim_additn(itnim); | |
554 | break; | |
555 | ||
556 | default: | |
557 | bfa_sm_fault(itnim->bfa, event); | |
558 | } | |
559 | } | |
560 | ||
5fbe25c7 | 561 | /* |
da99dcc9 | 562 | * Beginning state, only online event expected. |
a36c61f9 KG |
563 | */ |
564 | static void | |
565 | bfa_itnim_sm_created(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
566 | { | |
567 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
568 | bfa_trc(itnim->bfa, event); | |
569 | ||
570 | switch (event) { | |
571 | case BFA_ITNIM_SM_ONLINE: | |
572 | if (bfa_itnim_send_fwcreate(itnim)) | |
573 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
574 | else | |
575 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); | |
576 | break; | |
577 | ||
578 | case BFA_ITNIM_SM_DELETE: | |
579 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
580 | bfa_fcpim_delitn(itnim); | |
581 | break; | |
582 | ||
583 | case BFA_ITNIM_SM_HWFAIL: | |
584 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
585 | break; | |
586 | ||
587 | default: | |
588 | bfa_sm_fault(itnim->bfa, event); | |
589 | } | |
590 | } | |
591 | ||
5fbe25c7 | 592 | /* |
a36c61f9 KG |
593 | * Waiting for itnim create response from firmware. |
594 | */ | |
595 | static void | |
596 | bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
597 | { | |
598 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
599 | bfa_trc(itnim->bfa, event); | |
600 | ||
601 | switch (event) { | |
602 | case BFA_ITNIM_SM_FWRSP: | |
603 | bfa_sm_set_state(itnim, bfa_itnim_sm_online); | |
604 | itnim->is_online = BFA_TRUE; | |
605 | bfa_itnim_iotov_online(itnim); | |
606 | bfa_itnim_online_cb(itnim); | |
607 | break; | |
608 | ||
609 | case BFA_ITNIM_SM_DELETE: | |
610 | bfa_sm_set_state(itnim, bfa_itnim_sm_delete_pending); | |
611 | break; | |
612 | ||
613 | case BFA_ITNIM_SM_OFFLINE: | |
614 | if (bfa_itnim_send_fwdelete(itnim)) | |
615 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); | |
616 | else | |
617 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); | |
618 | break; | |
619 | ||
620 | case BFA_ITNIM_SM_HWFAIL: | |
621 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
622 | break; | |
623 | ||
624 | default: | |
625 | bfa_sm_fault(itnim->bfa, event); | |
626 | } | |
627 | } | |
628 | ||
629 | static void | |
630 | bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim, | |
631 | enum bfa_itnim_event event) | |
632 | { | |
633 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
634 | bfa_trc(itnim->bfa, event); | |
635 | ||
636 | switch (event) { | |
637 | case BFA_ITNIM_SM_QRESUME: | |
638 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
639 | bfa_itnim_send_fwcreate(itnim); | |
640 | break; | |
641 | ||
642 | case BFA_ITNIM_SM_DELETE: | |
643 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
644 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
645 | bfa_fcpim_delitn(itnim); | |
646 | break; | |
647 | ||
648 | case BFA_ITNIM_SM_OFFLINE: | |
649 | bfa_sm_set_state(itnim, bfa_itnim_sm_offline); | |
650 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
651 | bfa_itnim_offline_cb(itnim); | |
652 | break; | |
653 | ||
654 | case BFA_ITNIM_SM_HWFAIL: | |
655 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
656 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
657 | break; | |
658 | ||
659 | default: | |
660 | bfa_sm_fault(itnim->bfa, event); | |
661 | } | |
662 | } | |
663 | ||
5fbe25c7 | 664 | /* |
da99dcc9 | 665 | * Waiting for itnim create response from firmware, a delete is pending. |
a36c61f9 KG |
666 | */ |
667 | static void | |
668 | bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim, | |
669 | enum bfa_itnim_event event) | |
670 | { | |
671 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
672 | bfa_trc(itnim->bfa, event); | |
673 | ||
674 | switch (event) { | |
675 | case BFA_ITNIM_SM_FWRSP: | |
676 | if (bfa_itnim_send_fwdelete(itnim)) | |
677 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
678 | else | |
679 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); | |
680 | break; | |
681 | ||
682 | case BFA_ITNIM_SM_HWFAIL: | |
683 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
684 | bfa_fcpim_delitn(itnim); | |
685 | break; | |
686 | ||
687 | default: | |
688 | bfa_sm_fault(itnim->bfa, event); | |
689 | } | |
690 | } | |
691 | ||
5fbe25c7 | 692 | /* |
da99dcc9 | 693 | * Online state - normal parking state. |
a36c61f9 KG |
694 | */ |
695 | static void | |
696 | bfa_itnim_sm_online(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
697 | { | |
698 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
699 | bfa_trc(itnim->bfa, event); | |
700 | ||
701 | switch (event) { | |
702 | case BFA_ITNIM_SM_OFFLINE: | |
703 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); | |
704 | itnim->is_online = BFA_FALSE; | |
705 | bfa_itnim_iotov_start(itnim); | |
706 | bfa_itnim_cleanup(itnim); | |
707 | break; | |
708 | ||
709 | case BFA_ITNIM_SM_DELETE: | |
710 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); | |
711 | itnim->is_online = BFA_FALSE; | |
712 | bfa_itnim_cleanup(itnim); | |
713 | break; | |
714 | ||
715 | case BFA_ITNIM_SM_SLER: | |
716 | bfa_sm_set_state(itnim, bfa_itnim_sm_sler); | |
717 | itnim->is_online = BFA_FALSE; | |
718 | bfa_itnim_iotov_start(itnim); | |
719 | bfa_itnim_sler_cb(itnim); | |
720 | break; | |
721 | ||
722 | case BFA_ITNIM_SM_HWFAIL: | |
723 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
724 | itnim->is_online = BFA_FALSE; | |
725 | bfa_itnim_iotov_start(itnim); | |
726 | bfa_itnim_iocdisable_cleanup(itnim); | |
727 | break; | |
728 | ||
729 | default: | |
730 | bfa_sm_fault(itnim->bfa, event); | |
731 | } | |
732 | } | |
733 | ||
5fbe25c7 | 734 | /* |
da99dcc9 | 735 | * Second level error recovery need. |
a36c61f9 KG |
736 | */ |
737 | static void | |
738 | bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
739 | { | |
740 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
741 | bfa_trc(itnim->bfa, event); | |
742 | ||
743 | switch (event) { | |
744 | case BFA_ITNIM_SM_OFFLINE: | |
745 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_offline); | |
746 | bfa_itnim_cleanup(itnim); | |
747 | break; | |
748 | ||
749 | case BFA_ITNIM_SM_DELETE: | |
750 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); | |
751 | bfa_itnim_cleanup(itnim); | |
752 | bfa_itnim_iotov_delete(itnim); | |
753 | break; | |
754 | ||
755 | case BFA_ITNIM_SM_HWFAIL: | |
756 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
757 | bfa_itnim_iocdisable_cleanup(itnim); | |
758 | break; | |
759 | ||
760 | default: | |
761 | bfa_sm_fault(itnim->bfa, event); | |
762 | } | |
763 | } | |
764 | ||
5fbe25c7 | 765 | /* |
da99dcc9 | 766 | * Going offline. Waiting for active IO cleanup. |
a36c61f9 KG |
767 | */ |
768 | static void | |
769 | bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim, | |
770 | enum bfa_itnim_event event) | |
771 | { | |
772 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
773 | bfa_trc(itnim->bfa, event); | |
774 | ||
775 | switch (event) { | |
776 | case BFA_ITNIM_SM_CLEANUP: | |
777 | if (bfa_itnim_send_fwdelete(itnim)) | |
778 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); | |
779 | else | |
780 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete_qfull); | |
781 | break; | |
782 | ||
783 | case BFA_ITNIM_SM_DELETE: | |
784 | bfa_sm_set_state(itnim, bfa_itnim_sm_cleanup_delete); | |
785 | bfa_itnim_iotov_delete(itnim); | |
786 | break; | |
787 | ||
788 | case BFA_ITNIM_SM_HWFAIL: | |
789 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
790 | bfa_itnim_iocdisable_cleanup(itnim); | |
791 | bfa_itnim_offline_cb(itnim); | |
792 | break; | |
793 | ||
794 | case BFA_ITNIM_SM_SLER: | |
795 | break; | |
796 | ||
797 | default: | |
798 | bfa_sm_fault(itnim->bfa, event); | |
799 | } | |
800 | } | |
801 | ||
5fbe25c7 | 802 | /* |
da99dcc9 | 803 | * Deleting itnim. Waiting for active IO cleanup. |
a36c61f9 KG |
804 | */ |
805 | static void | |
806 | bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim, | |
807 | enum bfa_itnim_event event) | |
808 | { | |
809 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
810 | bfa_trc(itnim->bfa, event); | |
811 | ||
812 | switch (event) { | |
813 | case BFA_ITNIM_SM_CLEANUP: | |
814 | if (bfa_itnim_send_fwdelete(itnim)) | |
815 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
816 | else | |
817 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); | |
818 | break; | |
819 | ||
820 | case BFA_ITNIM_SM_HWFAIL: | |
821 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
822 | bfa_itnim_iocdisable_cleanup(itnim); | |
823 | break; | |
824 | ||
825 | default: | |
826 | bfa_sm_fault(itnim->bfa, event); | |
827 | } | |
828 | } | |
829 | ||
5fbe25c7 | 830 | /* |
a36c61f9 KG |
831 | * Rport offline. Fimrware itnim is being deleted - awaiting f/w response. |
832 | */ | |
833 | static void | |
834 | bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
835 | { | |
836 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
837 | bfa_trc(itnim->bfa, event); | |
838 | ||
839 | switch (event) { | |
840 | case BFA_ITNIM_SM_FWRSP: | |
841 | bfa_sm_set_state(itnim, bfa_itnim_sm_offline); | |
842 | bfa_itnim_offline_cb(itnim); | |
843 | break; | |
844 | ||
845 | case BFA_ITNIM_SM_DELETE: | |
846 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
847 | break; | |
848 | ||
849 | case BFA_ITNIM_SM_HWFAIL: | |
850 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
851 | bfa_itnim_offline_cb(itnim); | |
852 | break; | |
853 | ||
854 | default: | |
855 | bfa_sm_fault(itnim->bfa, event); | |
856 | } | |
857 | } | |
858 | ||
859 | static void | |
860 | bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim, | |
861 | enum bfa_itnim_event event) | |
862 | { | |
863 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
864 | bfa_trc(itnim->bfa, event); | |
865 | ||
866 | switch (event) { | |
867 | case BFA_ITNIM_SM_QRESUME: | |
868 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwdelete); | |
869 | bfa_itnim_send_fwdelete(itnim); | |
870 | break; | |
871 | ||
872 | case BFA_ITNIM_SM_DELETE: | |
873 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting_qfull); | |
874 | break; | |
875 | ||
876 | case BFA_ITNIM_SM_HWFAIL: | |
877 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
878 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
879 | bfa_itnim_offline_cb(itnim); | |
880 | break; | |
881 | ||
882 | default: | |
883 | bfa_sm_fault(itnim->bfa, event); | |
884 | } | |
885 | } | |
886 | ||
5fbe25c7 | 887 | /* |
da99dcc9 | 888 | * Offline state. |
a36c61f9 KG |
889 | */ |
890 | static void | |
891 | bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
892 | { | |
893 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
894 | bfa_trc(itnim->bfa, event); | |
895 | ||
896 | switch (event) { | |
897 | case BFA_ITNIM_SM_DELETE: | |
898 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
899 | bfa_itnim_iotov_delete(itnim); | |
900 | bfa_fcpim_delitn(itnim); | |
901 | break; | |
902 | ||
903 | case BFA_ITNIM_SM_ONLINE: | |
904 | if (bfa_itnim_send_fwcreate(itnim)) | |
905 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
906 | else | |
907 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); | |
908 | break; | |
909 | ||
910 | case BFA_ITNIM_SM_HWFAIL: | |
911 | bfa_sm_set_state(itnim, bfa_itnim_sm_iocdisable); | |
912 | break; | |
913 | ||
914 | default: | |
915 | bfa_sm_fault(itnim->bfa, event); | |
916 | } | |
917 | } | |
918 | ||
a36c61f9 KG |
919 | static void |
920 | bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim, | |
921 | enum bfa_itnim_event event) | |
922 | { | |
923 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
924 | bfa_trc(itnim->bfa, event); | |
925 | ||
926 | switch (event) { | |
927 | case BFA_ITNIM_SM_DELETE: | |
928 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
929 | bfa_itnim_iotov_delete(itnim); | |
930 | bfa_fcpim_delitn(itnim); | |
931 | break; | |
932 | ||
933 | case BFA_ITNIM_SM_OFFLINE: | |
934 | bfa_itnim_offline_cb(itnim); | |
935 | break; | |
936 | ||
937 | case BFA_ITNIM_SM_ONLINE: | |
938 | if (bfa_itnim_send_fwcreate(itnim)) | |
939 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate); | |
940 | else | |
941 | bfa_sm_set_state(itnim, bfa_itnim_sm_fwcreate_qfull); | |
942 | break; | |
943 | ||
944 | case BFA_ITNIM_SM_HWFAIL: | |
945 | break; | |
946 | ||
947 | default: | |
948 | bfa_sm_fault(itnim->bfa, event); | |
949 | } | |
950 | } | |
951 | ||
5fbe25c7 | 952 | /* |
da99dcc9 | 953 | * Itnim is deleted, waiting for firmware response to delete. |
a36c61f9 KG |
954 | */ |
955 | static void | |
956 | bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, enum bfa_itnim_event event) | |
957 | { | |
958 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
959 | bfa_trc(itnim->bfa, event); | |
960 | ||
961 | switch (event) { | |
962 | case BFA_ITNIM_SM_FWRSP: | |
963 | case BFA_ITNIM_SM_HWFAIL: | |
964 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
965 | bfa_fcpim_delitn(itnim); | |
966 | break; | |
967 | ||
968 | default: | |
969 | bfa_sm_fault(itnim->bfa, event); | |
970 | } | |
971 | } | |
972 | ||
973 | static void | |
974 | bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim, | |
975 | enum bfa_itnim_event event) | |
976 | { | |
977 | bfa_trc(itnim->bfa, itnim->rport->rport_tag); | |
978 | bfa_trc(itnim->bfa, event); | |
979 | ||
980 | switch (event) { | |
981 | case BFA_ITNIM_SM_QRESUME: | |
982 | bfa_sm_set_state(itnim, bfa_itnim_sm_deleting); | |
983 | bfa_itnim_send_fwdelete(itnim); | |
984 | break; | |
985 | ||
986 | case BFA_ITNIM_SM_HWFAIL: | |
987 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
988 | bfa_reqq_wcancel(&itnim->reqq_wait); | |
989 | bfa_fcpim_delitn(itnim); | |
990 | break; | |
991 | ||
992 | default: | |
993 | bfa_sm_fault(itnim->bfa, event); | |
994 | } | |
995 | } | |
996 | ||
5fbe25c7 | 997 | /* |
da99dcc9 | 998 | * Initiate cleanup of all IOs on an IOC failure. |
a36c61f9 KG |
999 | */ |
1000 | static void | |
1001 | bfa_itnim_iocdisable_cleanup(struct bfa_itnim_s *itnim) | |
1002 | { | |
1003 | struct bfa_tskim_s *tskim; | |
1004 | struct bfa_ioim_s *ioim; | |
1005 | struct list_head *qe, *qen; | |
1006 | ||
1007 | list_for_each_safe(qe, qen, &itnim->tsk_q) { | |
1008 | tskim = (struct bfa_tskim_s *) qe; | |
1009 | bfa_tskim_iocdisable(tskim); | |
1010 | } | |
1011 | ||
1012 | list_for_each_safe(qe, qen, &itnim->io_q) { | |
1013 | ioim = (struct bfa_ioim_s *) qe; | |
1014 | bfa_ioim_iocdisable(ioim); | |
1015 | } | |
1016 | ||
5fbe25c7 | 1017 | /* |
a36c61f9 KG |
1018 | * For IO request in pending queue, we pretend an early timeout. |
1019 | */ | |
1020 | list_for_each_safe(qe, qen, &itnim->pending_q) { | |
1021 | ioim = (struct bfa_ioim_s *) qe; | |
1022 | bfa_ioim_tov(ioim); | |
1023 | } | |
1024 | ||
1025 | list_for_each_safe(qe, qen, &itnim->io_cleanup_q) { | |
1026 | ioim = (struct bfa_ioim_s *) qe; | |
1027 | bfa_ioim_iocdisable(ioim); | |
1028 | } | |
1029 | } | |
1030 | ||
5fbe25c7 | 1031 | /* |
da99dcc9 | 1032 | * IO cleanup completion |
a36c61f9 KG |
1033 | */ |
1034 | static void | |
1035 | bfa_itnim_cleanp_comp(void *itnim_cbarg) | |
1036 | { | |
1037 | struct bfa_itnim_s *itnim = itnim_cbarg; | |
1038 | ||
1039 | bfa_stats(itnim, cleanup_comps); | |
1040 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_CLEANUP); | |
1041 | } | |
1042 | ||
5fbe25c7 | 1043 | /* |
da99dcc9 | 1044 | * Initiate cleanup of all IOs. |
a36c61f9 KG |
1045 | */ |
1046 | static void | |
1047 | bfa_itnim_cleanup(struct bfa_itnim_s *itnim) | |
1048 | { | |
1049 | struct bfa_ioim_s *ioim; | |
1050 | struct bfa_tskim_s *tskim; | |
1051 | struct list_head *qe, *qen; | |
1052 | ||
1053 | bfa_wc_init(&itnim->wc, bfa_itnim_cleanp_comp, itnim); | |
1054 | ||
1055 | list_for_each_safe(qe, qen, &itnim->io_q) { | |
1056 | ioim = (struct bfa_ioim_s *) qe; | |
1057 | ||
5fbe25c7 | 1058 | /* |
a36c61f9 KG |
1059 | * Move IO to a cleanup queue from active queue so that a later |
1060 | * TM will not pickup this IO. | |
1061 | */ | |
1062 | list_del(&ioim->qe); | |
1063 | list_add_tail(&ioim->qe, &itnim->io_cleanup_q); | |
1064 | ||
1065 | bfa_wc_up(&itnim->wc); | |
1066 | bfa_ioim_cleanup(ioim); | |
1067 | } | |
1068 | ||
1069 | list_for_each_safe(qe, qen, &itnim->tsk_q) { | |
1070 | tskim = (struct bfa_tskim_s *) qe; | |
1071 | bfa_wc_up(&itnim->wc); | |
1072 | bfa_tskim_cleanup(tskim); | |
1073 | } | |
1074 | ||
1075 | bfa_wc_wait(&itnim->wc); | |
1076 | } | |
1077 | ||
1078 | static void | |
1079 | __bfa_cb_itnim_online(void *cbarg, bfa_boolean_t complete) | |
1080 | { | |
1081 | struct bfa_itnim_s *itnim = cbarg; | |
1082 | ||
1083 | if (complete) | |
1084 | bfa_cb_itnim_online(itnim->ditn); | |
1085 | } | |
1086 | ||
1087 | static void | |
1088 | __bfa_cb_itnim_offline(void *cbarg, bfa_boolean_t complete) | |
1089 | { | |
1090 | struct bfa_itnim_s *itnim = cbarg; | |
1091 | ||
1092 | if (complete) | |
1093 | bfa_cb_itnim_offline(itnim->ditn); | |
1094 | } | |
1095 | ||
1096 | static void | |
1097 | __bfa_cb_itnim_sler(void *cbarg, bfa_boolean_t complete) | |
1098 | { | |
1099 | struct bfa_itnim_s *itnim = cbarg; | |
1100 | ||
1101 | if (complete) | |
1102 | bfa_cb_itnim_sler(itnim->ditn); | |
1103 | } | |
1104 | ||
5fbe25c7 | 1105 | /* |
a36c61f9 KG |
1106 | * Call to resume any I/O requests waiting for room in request queue. |
1107 | */ | |
1108 | static void | |
1109 | bfa_itnim_qresume(void *cbarg) | |
1110 | { | |
1111 | struct bfa_itnim_s *itnim = cbarg; | |
1112 | ||
1113 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_QRESUME); | |
1114 | } | |
1115 | ||
5fbe25c7 | 1116 | /* |
a36c61f9 KG |
1117 | * bfa_itnim_public |
1118 | */ | |
1119 | ||
1120 | void | |
1121 | bfa_itnim_iodone(struct bfa_itnim_s *itnim) | |
1122 | { | |
1123 | bfa_wc_down(&itnim->wc); | |
1124 | } | |
1125 | ||
1126 | void | |
1127 | bfa_itnim_tskdone(struct bfa_itnim_s *itnim) | |
1128 | { | |
1129 | bfa_wc_down(&itnim->wc); | |
1130 | } | |
1131 | ||
1132 | void | |
4507025d | 1133 | bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len) |
a36c61f9 | 1134 | { |
5fbe25c7 | 1135 | /* |
a36c61f9 KG |
1136 | * ITN memory |
1137 | */ | |
1138 | *km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itnim_s); | |
1139 | } | |
1140 | ||
1141 | void | |
4507025d | 1142 | bfa_itnim_attach(struct bfa_fcpim_s *fcpim) |
a36c61f9 KG |
1143 | { |
1144 | struct bfa_s *bfa = fcpim->bfa; | |
4507025d | 1145 | struct bfa_fcp_mod_s *fcp = fcpim->fcp; |
a36c61f9 KG |
1146 | struct bfa_itnim_s *itnim; |
1147 | int i, j; | |
1148 | ||
1149 | INIT_LIST_HEAD(&fcpim->itnim_q); | |
1150 | ||
4507025d | 1151 | itnim = (struct bfa_itnim_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 KG |
1152 | fcpim->itnim_arr = itnim; |
1153 | ||
1154 | for (i = 0; i < fcpim->num_itnims; i++, itnim++) { | |
6a18b167 | 1155 | memset(itnim, 0, sizeof(struct bfa_itnim_s)); |
a36c61f9 KG |
1156 | itnim->bfa = bfa; |
1157 | itnim->fcpim = fcpim; | |
1158 | itnim->reqq = BFA_REQQ_QOS_LO; | |
1159 | itnim->rport = BFA_RPORT_FROM_TAG(bfa, i); | |
1160 | itnim->iotov_active = BFA_FALSE; | |
1161 | bfa_reqq_winit(&itnim->reqq_wait, bfa_itnim_qresume, itnim); | |
1162 | ||
1163 | INIT_LIST_HEAD(&itnim->io_q); | |
1164 | INIT_LIST_HEAD(&itnim->io_cleanup_q); | |
1165 | INIT_LIST_HEAD(&itnim->pending_q); | |
1166 | INIT_LIST_HEAD(&itnim->tsk_q); | |
1167 | INIT_LIST_HEAD(&itnim->delay_comp_q); | |
1168 | for (j = 0; j < BFA_IOBUCKET_MAX; j++) | |
1169 | itnim->ioprofile.io_latency.min[j] = ~0; | |
1170 | bfa_sm_set_state(itnim, bfa_itnim_sm_uninit); | |
1171 | } | |
1172 | ||
4507025d | 1173 | bfa_mem_kva_curp(fcp) = (u8 *) itnim; |
a36c61f9 KG |
1174 | } |
1175 | ||
1176 | void | |
1177 | bfa_itnim_iocdisable(struct bfa_itnim_s *itnim) | |
1178 | { | |
1179 | bfa_stats(itnim, ioc_disabled); | |
1180 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_HWFAIL); | |
1181 | } | |
1182 | ||
1183 | static bfa_boolean_t | |
1184 | bfa_itnim_send_fwcreate(struct bfa_itnim_s *itnim) | |
1185 | { | |
dd5aaf45 | 1186 | struct bfi_itn_create_req_s *m; |
a36c61f9 KG |
1187 | |
1188 | itnim->msg_no++; | |
1189 | ||
5fbe25c7 | 1190 | /* |
a36c61f9 KG |
1191 | * check for room in queue to send request now |
1192 | */ | |
1193 | m = bfa_reqq_next(itnim->bfa, itnim->reqq); | |
1194 | if (!m) { | |
1195 | bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); | |
1196 | return BFA_FALSE; | |
1197 | } | |
1198 | ||
dd5aaf45 | 1199 | bfi_h2i_set(m->mh, BFI_MC_ITN, BFI_ITN_H2I_CREATE_REQ, |
3fd45980 | 1200 | bfa_fn_lpu(itnim->bfa)); |
a36c61f9 KG |
1201 | m->fw_handle = itnim->rport->fw_handle; |
1202 | m->class = FC_CLASS_3; | |
1203 | m->seq_rec = itnim->seq_rec; | |
1204 | m->msg_no = itnim->msg_no; | |
1205 | bfa_stats(itnim, fw_create); | |
1206 | ||
5fbe25c7 | 1207 | /* |
a36c61f9 KG |
1208 | * queue I/O message to firmware |
1209 | */ | |
3fd45980 | 1210 | bfa_reqq_produce(itnim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
1211 | return BFA_TRUE; |
1212 | } | |
1213 | ||
1214 | static bfa_boolean_t | |
1215 | bfa_itnim_send_fwdelete(struct bfa_itnim_s *itnim) | |
1216 | { | |
dd5aaf45 | 1217 | struct bfi_itn_delete_req_s *m; |
a36c61f9 | 1218 | |
5fbe25c7 | 1219 | /* |
a36c61f9 KG |
1220 | * check for room in queue to send request now |
1221 | */ | |
1222 | m = bfa_reqq_next(itnim->bfa, itnim->reqq); | |
1223 | if (!m) { | |
1224 | bfa_reqq_wait(itnim->bfa, itnim->reqq, &itnim->reqq_wait); | |
1225 | return BFA_FALSE; | |
1226 | } | |
1227 | ||
dd5aaf45 | 1228 | bfi_h2i_set(m->mh, BFI_MC_ITN, BFI_ITN_H2I_DELETE_REQ, |
3fd45980 | 1229 | bfa_fn_lpu(itnim->bfa)); |
a36c61f9 KG |
1230 | m->fw_handle = itnim->rport->fw_handle; |
1231 | bfa_stats(itnim, fw_delete); | |
1232 | ||
5fbe25c7 | 1233 | /* |
a36c61f9 KG |
1234 | * queue I/O message to firmware |
1235 | */ | |
3fd45980 | 1236 | bfa_reqq_produce(itnim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
1237 | return BFA_TRUE; |
1238 | } | |
1239 | ||
5fbe25c7 | 1240 | /* |
a36c61f9 KG |
1241 | * Cleanup all pending failed inflight requests. |
1242 | */ | |
1243 | static void | |
1244 | bfa_itnim_delayed_comp(struct bfa_itnim_s *itnim, bfa_boolean_t iotov) | |
1245 | { | |
1246 | struct bfa_ioim_s *ioim; | |
1247 | struct list_head *qe, *qen; | |
1248 | ||
1249 | list_for_each_safe(qe, qen, &itnim->delay_comp_q) { | |
1250 | ioim = (struct bfa_ioim_s *)qe; | |
1251 | bfa_ioim_delayed_comp(ioim, iotov); | |
1252 | } | |
1253 | } | |
1254 | ||
5fbe25c7 | 1255 | /* |
a36c61f9 KG |
1256 | * Start all pending IO requests. |
1257 | */ | |
1258 | static void | |
1259 | bfa_itnim_iotov_online(struct bfa_itnim_s *itnim) | |
1260 | { | |
1261 | struct bfa_ioim_s *ioim; | |
1262 | ||
1263 | bfa_itnim_iotov_stop(itnim); | |
1264 | ||
5fbe25c7 | 1265 | /* |
a36c61f9 KG |
1266 | * Abort all inflight IO requests in the queue |
1267 | */ | |
1268 | bfa_itnim_delayed_comp(itnim, BFA_FALSE); | |
1269 | ||
5fbe25c7 | 1270 | /* |
a36c61f9 KG |
1271 | * Start all pending IO requests. |
1272 | */ | |
1273 | while (!list_empty(&itnim->pending_q)) { | |
1274 | bfa_q_deq(&itnim->pending_q, &ioim); | |
1275 | list_add_tail(&ioim->qe, &itnim->io_q); | |
1276 | bfa_ioim_start(ioim); | |
1277 | } | |
1278 | } | |
1279 | ||
5fbe25c7 | 1280 | /* |
a36c61f9 KG |
1281 | * Fail all pending IO requests |
1282 | */ | |
1283 | static void | |
1284 | bfa_itnim_iotov_cleanup(struct bfa_itnim_s *itnim) | |
1285 | { | |
1286 | struct bfa_ioim_s *ioim; | |
1287 | ||
5fbe25c7 | 1288 | /* |
a36c61f9 KG |
1289 | * Fail all inflight IO requests in the queue |
1290 | */ | |
1291 | bfa_itnim_delayed_comp(itnim, BFA_TRUE); | |
1292 | ||
5fbe25c7 | 1293 | /* |
a36c61f9 KG |
1294 | * Fail any pending IO requests. |
1295 | */ | |
1296 | while (!list_empty(&itnim->pending_q)) { | |
1297 | bfa_q_deq(&itnim->pending_q, &ioim); | |
1298 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
1299 | bfa_ioim_tov(ioim); | |
1300 | } | |
1301 | } | |
1302 | ||
5fbe25c7 | 1303 | /* |
a36c61f9 KG |
1304 | * IO TOV timer callback. Fail any pending IO requests. |
1305 | */ | |
1306 | static void | |
1307 | bfa_itnim_iotov(void *itnim_arg) | |
1308 | { | |
1309 | struct bfa_itnim_s *itnim = itnim_arg; | |
1310 | ||
1311 | itnim->iotov_active = BFA_FALSE; | |
1312 | ||
1313 | bfa_cb_itnim_tov_begin(itnim->ditn); | |
1314 | bfa_itnim_iotov_cleanup(itnim); | |
1315 | bfa_cb_itnim_tov(itnim->ditn); | |
1316 | } | |
1317 | ||
5fbe25c7 | 1318 | /* |
a36c61f9 KG |
1319 | * Start IO TOV timer for failing back pending IO requests in offline state. |
1320 | */ | |
1321 | static void | |
1322 | bfa_itnim_iotov_start(struct bfa_itnim_s *itnim) | |
1323 | { | |
1324 | if (itnim->fcpim->path_tov > 0) { | |
1325 | ||
1326 | itnim->iotov_active = BFA_TRUE; | |
d4b671c5 | 1327 | WARN_ON(!bfa_itnim_hold_io(itnim)); |
a36c61f9 KG |
1328 | bfa_timer_start(itnim->bfa, &itnim->timer, |
1329 | bfa_itnim_iotov, itnim, itnim->fcpim->path_tov); | |
1330 | } | |
1331 | } | |
1332 | ||
5fbe25c7 | 1333 | /* |
a36c61f9 KG |
1334 | * Stop IO TOV timer. |
1335 | */ | |
1336 | static void | |
1337 | bfa_itnim_iotov_stop(struct bfa_itnim_s *itnim) | |
1338 | { | |
1339 | if (itnim->iotov_active) { | |
1340 | itnim->iotov_active = BFA_FALSE; | |
1341 | bfa_timer_stop(&itnim->timer); | |
1342 | } | |
1343 | } | |
1344 | ||
5fbe25c7 | 1345 | /* |
a36c61f9 KG |
1346 | * Stop IO TOV timer. |
1347 | */ | |
1348 | static void | |
1349 | bfa_itnim_iotov_delete(struct bfa_itnim_s *itnim) | |
1350 | { | |
1351 | bfa_boolean_t pathtov_active = BFA_FALSE; | |
1352 | ||
1353 | if (itnim->iotov_active) | |
1354 | pathtov_active = BFA_TRUE; | |
1355 | ||
1356 | bfa_itnim_iotov_stop(itnim); | |
1357 | if (pathtov_active) | |
1358 | bfa_cb_itnim_tov_begin(itnim->ditn); | |
1359 | bfa_itnim_iotov_cleanup(itnim); | |
1360 | if (pathtov_active) | |
1361 | bfa_cb_itnim_tov(itnim->ditn); | |
1362 | } | |
1363 | ||
1364 | static void | |
1365 | bfa_itnim_update_del_itn_stats(struct bfa_itnim_s *itnim) | |
1366 | { | |
e2187d7f | 1367 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(itnim->bfa); |
a36c61f9 KG |
1368 | fcpim->del_itn_stats.del_itn_iocomp_aborted += |
1369 | itnim->stats.iocomp_aborted; | |
1370 | fcpim->del_itn_stats.del_itn_iocomp_timedout += | |
1371 | itnim->stats.iocomp_timedout; | |
1372 | fcpim->del_itn_stats.del_itn_iocom_sqer_needed += | |
1373 | itnim->stats.iocom_sqer_needed; | |
1374 | fcpim->del_itn_stats.del_itn_iocom_res_free += | |
1375 | itnim->stats.iocom_res_free; | |
1376 | fcpim->del_itn_stats.del_itn_iocom_hostabrts += | |
1377 | itnim->stats.iocom_hostabrts; | |
1378 | fcpim->del_itn_stats.del_itn_total_ios += itnim->stats.total_ios; | |
1379 | fcpim->del_itn_stats.del_io_iocdowns += itnim->stats.io_iocdowns; | |
1380 | fcpim->del_itn_stats.del_tm_iocdowns += itnim->stats.tm_iocdowns; | |
1381 | } | |
1382 | ||
5fbe25c7 | 1383 | /* |
da99dcc9 | 1384 | * bfa_itnim_public |
a36c61f9 KG |
1385 | */ |
1386 | ||
5fbe25c7 | 1387 | /* |
da99dcc9 | 1388 | * Itnim interrupt processing. |
a36c61f9 KG |
1389 | */ |
1390 | void | |
1391 | bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
1392 | { | |
e2187d7f | 1393 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
dd5aaf45 | 1394 | union bfi_itn_i2h_msg_u msg; |
a36c61f9 KG |
1395 | struct bfa_itnim_s *itnim; |
1396 | ||
1397 | bfa_trc(bfa, m->mhdr.msg_id); | |
1398 | ||
1399 | msg.msg = m; | |
1400 | ||
1401 | switch (m->mhdr.msg_id) { | |
dd5aaf45 | 1402 | case BFI_ITN_I2H_CREATE_RSP: |
a36c61f9 KG |
1403 | itnim = BFA_ITNIM_FROM_TAG(fcpim, |
1404 | msg.create_rsp->bfa_handle); | |
d4b671c5 | 1405 | WARN_ON(msg.create_rsp->status != BFA_STATUS_OK); |
a36c61f9 KG |
1406 | bfa_stats(itnim, create_comps); |
1407 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); | |
1408 | break; | |
1409 | ||
dd5aaf45 | 1410 | case BFI_ITN_I2H_DELETE_RSP: |
a36c61f9 KG |
1411 | itnim = BFA_ITNIM_FROM_TAG(fcpim, |
1412 | msg.delete_rsp->bfa_handle); | |
d4b671c5 | 1413 | WARN_ON(msg.delete_rsp->status != BFA_STATUS_OK); |
a36c61f9 KG |
1414 | bfa_stats(itnim, delete_comps); |
1415 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_FWRSP); | |
1416 | break; | |
1417 | ||
dd5aaf45 | 1418 | case BFI_ITN_I2H_SLER_EVENT: |
a36c61f9 KG |
1419 | itnim = BFA_ITNIM_FROM_TAG(fcpim, |
1420 | msg.sler_event->bfa_handle); | |
1421 | bfa_stats(itnim, sler_events); | |
1422 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_SLER); | |
1423 | break; | |
1424 | ||
1425 | default: | |
1426 | bfa_trc(bfa, m->mhdr.msg_id); | |
d4b671c5 | 1427 | WARN_ON(1); |
a36c61f9 KG |
1428 | } |
1429 | } | |
1430 | ||
5fbe25c7 | 1431 | /* |
da99dcc9 | 1432 | * bfa_itnim_api |
a36c61f9 KG |
1433 | */ |
1434 | ||
1435 | struct bfa_itnim_s * | |
1436 | bfa_itnim_create(struct bfa_s *bfa, struct bfa_rport_s *rport, void *ditn) | |
1437 | { | |
e2187d7f | 1438 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
1439 | struct bfa_itnim_s *itnim; |
1440 | ||
e2187d7f KG |
1441 | bfa_itn_create(bfa, rport, bfa_itnim_isr); |
1442 | ||
a36c61f9 | 1443 | itnim = BFA_ITNIM_FROM_TAG(fcpim, rport->rport_tag); |
d4b671c5 | 1444 | WARN_ON(itnim->rport != rport); |
a36c61f9 KG |
1445 | |
1446 | itnim->ditn = ditn; | |
1447 | ||
1448 | bfa_stats(itnim, creates); | |
1449 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_CREATE); | |
1450 | ||
1451 | return itnim; | |
1452 | } | |
1453 | ||
1454 | void | |
1455 | bfa_itnim_delete(struct bfa_itnim_s *itnim) | |
1456 | { | |
1457 | bfa_stats(itnim, deletes); | |
1458 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_DELETE); | |
1459 | } | |
1460 | ||
1461 | void | |
1462 | bfa_itnim_online(struct bfa_itnim_s *itnim, bfa_boolean_t seq_rec) | |
1463 | { | |
1464 | itnim->seq_rec = seq_rec; | |
1465 | bfa_stats(itnim, onlines); | |
1466 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_ONLINE); | |
1467 | } | |
1468 | ||
1469 | void | |
1470 | bfa_itnim_offline(struct bfa_itnim_s *itnim) | |
1471 | { | |
1472 | bfa_stats(itnim, offlines); | |
1473 | bfa_sm_send_event(itnim, BFA_ITNIM_SM_OFFLINE); | |
1474 | } | |
1475 | ||
5fbe25c7 | 1476 | /* |
a36c61f9 KG |
1477 | * Return true if itnim is considered offline for holding off IO request. |
1478 | * IO is not held if itnim is being deleted. | |
1479 | */ | |
1480 | bfa_boolean_t | |
1481 | bfa_itnim_hold_io(struct bfa_itnim_s *itnim) | |
1482 | { | |
1483 | return itnim->fcpim->path_tov && itnim->iotov_active && | |
1484 | (bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwcreate) || | |
1485 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_sler) || | |
1486 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_cleanup_offline) || | |
1487 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_fwdelete) || | |
1488 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_offline) || | |
1489 | bfa_sm_cmp_state(itnim, bfa_itnim_sm_iocdisable)); | |
1490 | } | |
1491 | ||
42a8e6e2 KG |
1492 | #define bfa_io_lat_clock_res_div HZ |
1493 | #define bfa_io_lat_clock_res_mul 1000 | |
1494 | bfa_status_t | |
1495 | bfa_itnim_get_ioprofile(struct bfa_itnim_s *itnim, | |
1496 | struct bfa_itnim_ioprofile_s *ioprofile) | |
1497 | { | |
1498 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(itnim->bfa); | |
1499 | if (!fcpim->io_profile) | |
1500 | return BFA_STATUS_IOPROFILE_OFF; | |
1501 | ||
1502 | itnim->ioprofile.index = BFA_IOBUCKET_MAX; | |
1503 | itnim->ioprofile.io_profile_start_time = | |
1504 | bfa_io_profile_start_time(itnim->bfa); | |
1505 | itnim->ioprofile.clock_res_mul = bfa_io_lat_clock_res_mul; | |
1506 | itnim->ioprofile.clock_res_div = bfa_io_lat_clock_res_div; | |
1507 | *ioprofile = itnim->ioprofile; | |
1508 | ||
1509 | return BFA_STATUS_OK; | |
1510 | } | |
1511 | ||
a36c61f9 KG |
1512 | void |
1513 | bfa_itnim_clear_stats(struct bfa_itnim_s *itnim) | |
1514 | { | |
1515 | int j; | |
6a18b167 JH |
1516 | memset(&itnim->stats, 0, sizeof(itnim->stats)); |
1517 | memset(&itnim->ioprofile, 0, sizeof(itnim->ioprofile)); | |
a36c61f9 KG |
1518 | for (j = 0; j < BFA_IOBUCKET_MAX; j++) |
1519 | itnim->ioprofile.io_latency.min[j] = ~0; | |
1520 | } | |
1521 | ||
5fbe25c7 | 1522 | /* |
a36c61f9 KG |
1523 | * BFA IO module state machine functions |
1524 | */ | |
1525 | ||
5fbe25c7 | 1526 | /* |
da99dcc9 | 1527 | * IO is not started (unallocated). |
a36c61f9 KG |
1528 | */ |
1529 | static void | |
1530 | bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1531 | { | |
a36c61f9 KG |
1532 | switch (event) { |
1533 | case BFA_IOIM_SM_START: | |
1534 | if (!bfa_itnim_is_online(ioim->itnim)) { | |
1535 | if (!bfa_itnim_hold_io(ioim->itnim)) { | |
1536 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1537 | list_del(&ioim->qe); | |
1538 | list_add_tail(&ioim->qe, | |
1539 | &ioim->fcpim->ioim_comp_q); | |
1540 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1541 | __bfa_cb_ioim_pathtov, ioim); | |
1542 | } else { | |
1543 | list_del(&ioim->qe); | |
1544 | list_add_tail(&ioim->qe, | |
1545 | &ioim->itnim->pending_q); | |
1546 | } | |
1547 | break; | |
1548 | } | |
1549 | ||
1550 | if (ioim->nsges > BFI_SGE_INLINE) { | |
e3e7d3ee | 1551 | if (!bfa_ioim_sgpg_alloc(ioim)) { |
a36c61f9 KG |
1552 | bfa_sm_set_state(ioim, bfa_ioim_sm_sgalloc); |
1553 | return; | |
1554 | } | |
1555 | } | |
1556 | ||
1557 | if (!bfa_ioim_send_ioreq(ioim)) { | |
1558 | bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); | |
1559 | break; | |
1560 | } | |
1561 | ||
1562 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1563 | break; | |
1564 | ||
1565 | case BFA_IOIM_SM_IOTOV: | |
1566 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1567 | bfa_ioim_move_to_comp_q(ioim); | |
1568 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1569 | __bfa_cb_ioim_pathtov, ioim); | |
1570 | break; | |
1571 | ||
1572 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 1573 | /* |
a36c61f9 KG |
1574 | * IO in pending queue can get abort requests. Complete abort |
1575 | * requests immediately. | |
1576 | */ | |
1577 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
d4b671c5 | 1578 | WARN_ON(!bfa_q_is_on_q(&ioim->itnim->pending_q, ioim)); |
a36c61f9 | 1579 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, |
83763d59 KG |
1580 | __bfa_cb_ioim_abort, ioim); |
1581 | break; | |
1582 | ||
1583 | case BFA_IOIM_SM_LM_LUN_NOT_SUP: | |
1584 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1585 | bfa_ioim_move_to_comp_q(ioim); | |
1586 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1587 | __bfa_cb_ioim_lm_lun_not_sup, ioim); | |
1588 | break; | |
1589 | ||
1590 | case BFA_IOIM_SM_LM_RPL_DC: | |
1591 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1592 | bfa_ioim_move_to_comp_q(ioim); | |
1593 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1594 | __bfa_cb_ioim_lm_rpl_dc, ioim); | |
1595 | break; | |
1596 | ||
1597 | case BFA_IOIM_SM_LM_LUN_NOT_RDY: | |
1598 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1599 | bfa_ioim_move_to_comp_q(ioim); | |
1600 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1601 | __bfa_cb_ioim_lm_lun_not_rdy, ioim); | |
a36c61f9 KG |
1602 | break; |
1603 | ||
1604 | default: | |
1605 | bfa_sm_fault(ioim->bfa, event); | |
1606 | } | |
1607 | } | |
1608 | ||
5fbe25c7 | 1609 | /* |
da99dcc9 | 1610 | * IO is waiting for SG pages. |
a36c61f9 KG |
1611 | */ |
1612 | static void | |
1613 | bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1614 | { | |
1615 | bfa_trc(ioim->bfa, ioim->iotag); | |
1616 | bfa_trc(ioim->bfa, event); | |
1617 | ||
1618 | switch (event) { | |
1619 | case BFA_IOIM_SM_SGALLOCED: | |
1620 | if (!bfa_ioim_send_ioreq(ioim)) { | |
1621 | bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); | |
1622 | break; | |
1623 | } | |
1624 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1625 | break; | |
1626 | ||
1627 | case BFA_IOIM_SM_CLEANUP: | |
1628 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1629 | bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); | |
1630 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1631 | ioim); | |
1632 | bfa_ioim_notify_cleanup(ioim); | |
1633 | break; | |
1634 | ||
1635 | case BFA_IOIM_SM_ABORT: | |
1636 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1637 | bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); | |
1638 | bfa_ioim_move_to_comp_q(ioim); | |
1639 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1640 | ioim); | |
1641 | break; | |
1642 | ||
1643 | case BFA_IOIM_SM_HWFAIL: | |
1644 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1645 | bfa_sgpg_wcancel(ioim->bfa, &ioim->iosp->sgpg_wqe); | |
1646 | bfa_ioim_move_to_comp_q(ioim); | |
1647 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1648 | ioim); | |
1649 | break; | |
1650 | ||
1651 | default: | |
1652 | bfa_sm_fault(ioim->bfa, event); | |
1653 | } | |
1654 | } | |
1655 | ||
5fbe25c7 | 1656 | /* |
da99dcc9 | 1657 | * IO is active. |
a36c61f9 KG |
1658 | */ |
1659 | static void | |
1660 | bfa_ioim_sm_active(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1661 | { | |
a36c61f9 KG |
1662 | switch (event) { |
1663 | case BFA_IOIM_SM_COMP_GOOD: | |
1664 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1665 | bfa_ioim_move_to_comp_q(ioim); | |
1666 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1667 | __bfa_cb_ioim_good_comp, ioim); | |
1668 | break; | |
1669 | ||
1670 | case BFA_IOIM_SM_COMP: | |
1671 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1672 | bfa_ioim_move_to_comp_q(ioim); | |
1673 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, | |
1674 | ioim); | |
1675 | break; | |
1676 | ||
1677 | case BFA_IOIM_SM_DONE: | |
1678 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1679 | bfa_ioim_move_to_comp_q(ioim); | |
1680 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_comp, | |
1681 | ioim); | |
1682 | break; | |
1683 | ||
1684 | case BFA_IOIM_SM_ABORT: | |
1685 | ioim->iosp->abort_explicit = BFA_TRUE; | |
1686 | ioim->io_cbfn = __bfa_cb_ioim_abort; | |
1687 | ||
1688 | if (bfa_ioim_send_abort(ioim)) | |
1689 | bfa_sm_set_state(ioim, bfa_ioim_sm_abort); | |
1690 | else { | |
1691 | bfa_sm_set_state(ioim, bfa_ioim_sm_abort_qfull); | |
1692 | bfa_stats(ioim->itnim, qwait); | |
1693 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1694 | &ioim->iosp->reqq_wait); | |
1695 | } | |
1696 | break; | |
1697 | ||
1698 | case BFA_IOIM_SM_CLEANUP: | |
1699 | ioim->iosp->abort_explicit = BFA_FALSE; | |
1700 | ioim->io_cbfn = __bfa_cb_ioim_failed; | |
1701 | ||
1702 | if (bfa_ioim_send_abort(ioim)) | |
1703 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1704 | else { | |
1705 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1706 | bfa_stats(ioim->itnim, qwait); | |
1707 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1708 | &ioim->iosp->reqq_wait); | |
1709 | } | |
1710 | break; | |
1711 | ||
1712 | case BFA_IOIM_SM_HWFAIL: | |
1713 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1714 | bfa_ioim_move_to_comp_q(ioim); | |
1715 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1716 | ioim); | |
1717 | break; | |
1718 | ||
1719 | case BFA_IOIM_SM_SQRETRY: | |
15821f05 KG |
1720 | if (bfa_ioim_maxretry_reached(ioim)) { |
1721 | /* max retry reached, free IO */ | |
a36c61f9 KG |
1722 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); |
1723 | bfa_ioim_move_to_comp_q(ioim); | |
1724 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1725 | __bfa_cb_ioim_failed, ioim); | |
1726 | break; | |
1727 | } | |
1728 | /* waiting for IO tag resource free */ | |
1729 | bfa_sm_set_state(ioim, bfa_ioim_sm_cmnd_retry); | |
1730 | break; | |
1731 | ||
1732 | default: | |
1733 | bfa_sm_fault(ioim->bfa, event); | |
1734 | } | |
1735 | } | |
1736 | ||
5fbe25c7 | 1737 | /* |
da99dcc9 MZ |
1738 | * IO is retried with new tag. |
1739 | */ | |
a36c61f9 KG |
1740 | static void |
1741 | bfa_ioim_sm_cmnd_retry(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1742 | { | |
a36c61f9 KG |
1743 | switch (event) { |
1744 | case BFA_IOIM_SM_FREE: | |
1745 | /* abts and rrq done. Now retry the IO with new tag */ | |
15821f05 | 1746 | bfa_ioim_update_iotag(ioim); |
a36c61f9 KG |
1747 | if (!bfa_ioim_send_ioreq(ioim)) { |
1748 | bfa_sm_set_state(ioim, bfa_ioim_sm_qfull); | |
1749 | break; | |
1750 | } | |
1751 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1752 | break; | |
1753 | ||
1754 | case BFA_IOIM_SM_CLEANUP: | |
1755 | ioim->iosp->abort_explicit = BFA_FALSE; | |
1756 | ioim->io_cbfn = __bfa_cb_ioim_failed; | |
1757 | ||
1758 | if (bfa_ioim_send_abort(ioim)) | |
1759 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1760 | else { | |
1761 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1762 | bfa_stats(ioim->itnim, qwait); | |
1763 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1764 | &ioim->iosp->reqq_wait); | |
1765 | } | |
1766 | break; | |
1767 | ||
1768 | case BFA_IOIM_SM_HWFAIL: | |
1769 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1770 | bfa_ioim_move_to_comp_q(ioim); | |
1771 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, | |
1772 | __bfa_cb_ioim_failed, ioim); | |
1773 | break; | |
1774 | ||
1775 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 1776 | /* in this state IO abort is done. |
a36c61f9 KG |
1777 | * Waiting for IO tag resource free. |
1778 | */ | |
1779 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1780 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1781 | ioim); | |
1782 | break; | |
1783 | ||
1784 | default: | |
1785 | bfa_sm_fault(ioim->bfa, event); | |
1786 | } | |
1787 | } | |
1788 | ||
5fbe25c7 | 1789 | /* |
da99dcc9 | 1790 | * IO is being aborted, waiting for completion from firmware. |
a36c61f9 KG |
1791 | */ |
1792 | static void | |
1793 | bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1794 | { | |
1795 | bfa_trc(ioim->bfa, ioim->iotag); | |
1796 | bfa_trc(ioim->bfa, event); | |
1797 | ||
1798 | switch (event) { | |
1799 | case BFA_IOIM_SM_COMP_GOOD: | |
1800 | case BFA_IOIM_SM_COMP: | |
1801 | case BFA_IOIM_SM_DONE: | |
1802 | case BFA_IOIM_SM_FREE: | |
1803 | break; | |
1804 | ||
1805 | case BFA_IOIM_SM_ABORT_DONE: | |
1806 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1807 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1808 | ioim); | |
1809 | break; | |
1810 | ||
1811 | case BFA_IOIM_SM_ABORT_COMP: | |
1812 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1813 | bfa_ioim_move_to_comp_q(ioim); | |
1814 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1815 | ioim); | |
1816 | break; | |
1817 | ||
1818 | case BFA_IOIM_SM_COMP_UTAG: | |
1819 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1820 | bfa_ioim_move_to_comp_q(ioim); | |
1821 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1822 | ioim); | |
1823 | break; | |
1824 | ||
1825 | case BFA_IOIM_SM_CLEANUP: | |
d4b671c5 | 1826 | WARN_ON(ioim->iosp->abort_explicit != BFA_TRUE); |
a36c61f9 KG |
1827 | ioim->iosp->abort_explicit = BFA_FALSE; |
1828 | ||
1829 | if (bfa_ioim_send_abort(ioim)) | |
1830 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
1831 | else { | |
1832 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1833 | bfa_stats(ioim->itnim, qwait); | |
1834 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
1835 | &ioim->iosp->reqq_wait); | |
1836 | } | |
1837 | break; | |
1838 | ||
1839 | case BFA_IOIM_SM_HWFAIL: | |
1840 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1841 | bfa_ioim_move_to_comp_q(ioim); | |
1842 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1843 | ioim); | |
1844 | break; | |
1845 | ||
1846 | default: | |
1847 | bfa_sm_fault(ioim->bfa, event); | |
1848 | } | |
1849 | } | |
1850 | ||
5fbe25c7 | 1851 | /* |
a36c61f9 KG |
1852 | * IO is being cleaned up (implicit abort), waiting for completion from |
1853 | * firmware. | |
1854 | */ | |
1855 | static void | |
1856 | bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1857 | { | |
1858 | bfa_trc(ioim->bfa, ioim->iotag); | |
1859 | bfa_trc(ioim->bfa, event); | |
1860 | ||
1861 | switch (event) { | |
1862 | case BFA_IOIM_SM_COMP_GOOD: | |
1863 | case BFA_IOIM_SM_COMP: | |
1864 | case BFA_IOIM_SM_DONE: | |
1865 | case BFA_IOIM_SM_FREE: | |
1866 | break; | |
1867 | ||
1868 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 1869 | /* |
a36c61f9 KG |
1870 | * IO is already being aborted implicitly |
1871 | */ | |
1872 | ioim->io_cbfn = __bfa_cb_ioim_abort; | |
1873 | break; | |
1874 | ||
1875 | case BFA_IOIM_SM_ABORT_DONE: | |
1876 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1877 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1878 | bfa_ioim_notify_cleanup(ioim); | |
1879 | break; | |
1880 | ||
1881 | case BFA_IOIM_SM_ABORT_COMP: | |
1882 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1883 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1884 | bfa_ioim_notify_cleanup(ioim); | |
1885 | break; | |
1886 | ||
1887 | case BFA_IOIM_SM_COMP_UTAG: | |
1888 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1889 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
1890 | bfa_ioim_notify_cleanup(ioim); | |
1891 | break; | |
1892 | ||
1893 | case BFA_IOIM_SM_HWFAIL: | |
1894 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1895 | bfa_ioim_move_to_comp_q(ioim); | |
1896 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1897 | ioim); | |
1898 | break; | |
1899 | ||
1900 | case BFA_IOIM_SM_CLEANUP: | |
5fbe25c7 | 1901 | /* |
a36c61f9 KG |
1902 | * IO can be in cleanup state already due to TM command. |
1903 | * 2nd cleanup request comes from ITN offline event. | |
1904 | */ | |
1905 | break; | |
1906 | ||
1907 | default: | |
1908 | bfa_sm_fault(ioim->bfa, event); | |
1909 | } | |
1910 | } | |
1911 | ||
5fbe25c7 | 1912 | /* |
da99dcc9 | 1913 | * IO is waiting for room in request CQ |
a36c61f9 KG |
1914 | */ |
1915 | static void | |
1916 | bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1917 | { | |
1918 | bfa_trc(ioim->bfa, ioim->iotag); | |
1919 | bfa_trc(ioim->bfa, event); | |
1920 | ||
1921 | switch (event) { | |
1922 | case BFA_IOIM_SM_QRESUME: | |
1923 | bfa_sm_set_state(ioim, bfa_ioim_sm_active); | |
1924 | bfa_ioim_send_ioreq(ioim); | |
1925 | break; | |
1926 | ||
1927 | case BFA_IOIM_SM_ABORT: | |
1928 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1929 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1930 | bfa_ioim_move_to_comp_q(ioim); | |
1931 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1932 | ioim); | |
1933 | break; | |
1934 | ||
1935 | case BFA_IOIM_SM_CLEANUP: | |
1936 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1937 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1938 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1939 | ioim); | |
1940 | bfa_ioim_notify_cleanup(ioim); | |
1941 | break; | |
1942 | ||
1943 | case BFA_IOIM_SM_HWFAIL: | |
1944 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1945 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1946 | bfa_ioim_move_to_comp_q(ioim); | |
1947 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1948 | ioim); | |
1949 | break; | |
1950 | ||
1951 | default: | |
1952 | bfa_sm_fault(ioim->bfa, event); | |
1953 | } | |
1954 | } | |
1955 | ||
5fbe25c7 | 1956 | /* |
da99dcc9 | 1957 | * Active IO is being aborted, waiting for room in request CQ. |
a36c61f9 KG |
1958 | */ |
1959 | static void | |
1960 | bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
1961 | { | |
1962 | bfa_trc(ioim->bfa, ioim->iotag); | |
1963 | bfa_trc(ioim->bfa, event); | |
1964 | ||
1965 | switch (event) { | |
1966 | case BFA_IOIM_SM_QRESUME: | |
1967 | bfa_sm_set_state(ioim, bfa_ioim_sm_abort); | |
1968 | bfa_ioim_send_abort(ioim); | |
1969 | break; | |
1970 | ||
1971 | case BFA_IOIM_SM_CLEANUP: | |
d4b671c5 | 1972 | WARN_ON(ioim->iosp->abort_explicit != BFA_TRUE); |
a36c61f9 KG |
1973 | ioim->iosp->abort_explicit = BFA_FALSE; |
1974 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup_qfull); | |
1975 | break; | |
1976 | ||
1977 | case BFA_IOIM_SM_COMP_GOOD: | |
1978 | case BFA_IOIM_SM_COMP: | |
1979 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1980 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1981 | bfa_ioim_move_to_comp_q(ioim); | |
1982 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1983 | ioim); | |
1984 | break; | |
1985 | ||
1986 | case BFA_IOIM_SM_DONE: | |
1987 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
1988 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1989 | bfa_ioim_move_to_comp_q(ioim); | |
1990 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_abort, | |
1991 | ioim); | |
1992 | break; | |
1993 | ||
1994 | case BFA_IOIM_SM_HWFAIL: | |
1995 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
1996 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
1997 | bfa_ioim_move_to_comp_q(ioim); | |
1998 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
1999 | ioim); | |
2000 | break; | |
2001 | ||
2002 | default: | |
2003 | bfa_sm_fault(ioim->bfa, event); | |
2004 | } | |
2005 | } | |
2006 | ||
5fbe25c7 | 2007 | /* |
da99dcc9 | 2008 | * Active IO is being cleaned up, waiting for room in request CQ. |
a36c61f9 KG |
2009 | */ |
2010 | static void | |
2011 | bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2012 | { | |
2013 | bfa_trc(ioim->bfa, ioim->iotag); | |
2014 | bfa_trc(ioim->bfa, event); | |
2015 | ||
2016 | switch (event) { | |
2017 | case BFA_IOIM_SM_QRESUME: | |
2018 | bfa_sm_set_state(ioim, bfa_ioim_sm_cleanup); | |
2019 | bfa_ioim_send_abort(ioim); | |
2020 | break; | |
2021 | ||
2022 | case BFA_IOIM_SM_ABORT: | |
5fbe25c7 | 2023 | /* |
b595076a | 2024 | * IO is already being cleaned up implicitly |
a36c61f9 KG |
2025 | */ |
2026 | ioim->io_cbfn = __bfa_cb_ioim_abort; | |
2027 | break; | |
2028 | ||
2029 | case BFA_IOIM_SM_COMP_GOOD: | |
2030 | case BFA_IOIM_SM_COMP: | |
2031 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2032 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
2033 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
2034 | bfa_ioim_notify_cleanup(ioim); | |
2035 | break; | |
2036 | ||
2037 | case BFA_IOIM_SM_DONE: | |
2038 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb_free); | |
2039 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
2040 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
2041 | bfa_ioim_notify_cleanup(ioim); | |
2042 | break; | |
2043 | ||
2044 | case BFA_IOIM_SM_HWFAIL: | |
2045 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2046 | bfa_reqq_wcancel(&ioim->iosp->reqq_wait); | |
2047 | bfa_ioim_move_to_comp_q(ioim); | |
2048 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, __bfa_cb_ioim_failed, | |
2049 | ioim); | |
2050 | break; | |
2051 | ||
2052 | default: | |
2053 | bfa_sm_fault(ioim->bfa, event); | |
2054 | } | |
2055 | } | |
2056 | ||
5fbe25c7 | 2057 | /* |
a36c61f9 KG |
2058 | * IO bfa callback is pending. |
2059 | */ | |
2060 | static void | |
2061 | bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2062 | { | |
a36c61f9 KG |
2063 | switch (event) { |
2064 | case BFA_IOIM_SM_HCB: | |
2065 | bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); | |
2066 | bfa_ioim_free(ioim); | |
2067 | break; | |
2068 | ||
2069 | case BFA_IOIM_SM_CLEANUP: | |
2070 | bfa_ioim_notify_cleanup(ioim); | |
2071 | break; | |
2072 | ||
2073 | case BFA_IOIM_SM_HWFAIL: | |
2074 | break; | |
2075 | ||
2076 | default: | |
2077 | bfa_sm_fault(ioim->bfa, event); | |
2078 | } | |
2079 | } | |
2080 | ||
5fbe25c7 | 2081 | /* |
a36c61f9 KG |
2082 | * IO bfa callback is pending. IO resource cannot be freed. |
2083 | */ | |
2084 | static void | |
2085 | bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2086 | { | |
2087 | bfa_trc(ioim->bfa, ioim->iotag); | |
2088 | bfa_trc(ioim->bfa, event); | |
2089 | ||
2090 | switch (event) { | |
2091 | case BFA_IOIM_SM_HCB: | |
2092 | bfa_sm_set_state(ioim, bfa_ioim_sm_resfree); | |
2093 | list_del(&ioim->qe); | |
2094 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_resfree_q); | |
2095 | break; | |
2096 | ||
2097 | case BFA_IOIM_SM_FREE: | |
2098 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2099 | break; | |
2100 | ||
2101 | case BFA_IOIM_SM_CLEANUP: | |
2102 | bfa_ioim_notify_cleanup(ioim); | |
2103 | break; | |
2104 | ||
2105 | case BFA_IOIM_SM_HWFAIL: | |
2106 | bfa_sm_set_state(ioim, bfa_ioim_sm_hcb); | |
2107 | break; | |
2108 | ||
2109 | default: | |
2110 | bfa_sm_fault(ioim->bfa, event); | |
2111 | } | |
2112 | } | |
2113 | ||
5fbe25c7 | 2114 | /* |
a36c61f9 KG |
2115 | * IO is completed, waiting resource free from firmware. |
2116 | */ | |
2117 | static void | |
2118 | bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, enum bfa_ioim_event event) | |
2119 | { | |
2120 | bfa_trc(ioim->bfa, ioim->iotag); | |
2121 | bfa_trc(ioim->bfa, event); | |
2122 | ||
2123 | switch (event) { | |
2124 | case BFA_IOIM_SM_FREE: | |
2125 | bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); | |
2126 | bfa_ioim_free(ioim); | |
2127 | break; | |
2128 | ||
2129 | case BFA_IOIM_SM_CLEANUP: | |
2130 | bfa_ioim_notify_cleanup(ioim); | |
2131 | break; | |
2132 | ||
2133 | case BFA_IOIM_SM_HWFAIL: | |
2134 | break; | |
2135 | ||
2136 | default: | |
2137 | bfa_sm_fault(ioim->bfa, event); | |
2138 | } | |
2139 | } | |
2140 | ||
83763d59 KG |
2141 | /* |
2142 | * This is called from bfa_fcpim_start after the bfa_init() with flash read | |
2143 | * is complete by driver. now invalidate the stale content of lun mask | |
2144 | * like unit attention, rp tag and lp tag. | |
2145 | */ | |
2146 | static void | |
2147 | bfa_ioim_lm_init(struct bfa_s *bfa) | |
2148 | { | |
2149 | struct bfa_lun_mask_s *lunm_list; | |
2150 | int i; | |
2151 | ||
2152 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2153 | return; | |
2154 | ||
2155 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2156 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2157 | lunm_list[i].ua = BFA_IOIM_LM_UA_RESET; | |
2158 | lunm_list[i].lp_tag = BFA_LP_TAG_INVALID; | |
2159 | lunm_list[i].rp_tag = BFA_RPORT_TAG_INVALID; | |
2160 | } | |
2161 | } | |
2162 | ||
2163 | /* | |
2164 | * Validate LUN for LUN masking | |
2165 | */ | |
2166 | static enum bfa_ioim_lm_status | |
2167 | bfa_ioim_lm_check(struct bfa_ioim_s *ioim, struct bfa_lps_s *lps, | |
2168 | struct bfa_rport_s *rp, struct scsi_lun lun) | |
2169 | { | |
2170 | u8 i; | |
2171 | struct bfa_lun_mask_s *lun_list = bfa_get_lun_mask_list(ioim->bfa); | |
2172 | struct scsi_cmnd *cmnd = (struct scsi_cmnd *)ioim->dio; | |
2173 | struct scsi_cdb_s *cdb = (struct scsi_cdb_s *)cmnd->cmnd; | |
2174 | ||
2175 | if ((cdb->scsi_cdb[0] == REPORT_LUNS) && | |
2176 | (scsilun_to_int((struct scsi_lun *)&lun) == 0)) { | |
2177 | ioim->proc_rsp_data = bfa_ioim_lm_proc_rpl_data; | |
2178 | return BFA_IOIM_LM_PRESENT; | |
2179 | } | |
2180 | ||
2181 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2182 | ||
2183 | if (lun_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE) | |
2184 | continue; | |
2185 | ||
2186 | if ((scsilun_to_int((struct scsi_lun *)&lun_list[i].lun) == | |
2187 | scsilun_to_int((struct scsi_lun *)&lun)) | |
2188 | && (rp->rport_tag == lun_list[i].rp_tag) | |
2189 | && ((u8)ioim->itnim->rport->rport_info.lp_tag == | |
2190 | lun_list[i].lp_tag)) { | |
2191 | bfa_trc(ioim->bfa, lun_list[i].rp_tag); | |
2192 | bfa_trc(ioim->bfa, lun_list[i].lp_tag); | |
2193 | bfa_trc(ioim->bfa, scsilun_to_int( | |
2194 | (struct scsi_lun *)&lun_list[i].lun)); | |
2195 | ||
2196 | if ((lun_list[i].ua == BFA_IOIM_LM_UA_SET) && | |
2197 | ((cdb->scsi_cdb[0] != INQUIRY) || | |
2198 | (cdb->scsi_cdb[0] != REPORT_LUNS))) { | |
2199 | lun_list[i].ua = BFA_IOIM_LM_UA_RESET; | |
2200 | return BFA_IOIM_LM_RPL_DATA_CHANGED; | |
2201 | } | |
2202 | ||
2203 | if (cdb->scsi_cdb[0] == REPORT_LUNS) | |
2204 | ioim->proc_rsp_data = bfa_ioim_lm_proc_rpl_data; | |
2205 | ||
2206 | return BFA_IOIM_LM_PRESENT; | |
2207 | } | |
2208 | } | |
2209 | ||
2210 | if ((cdb->scsi_cdb[0] == INQUIRY) && | |
2211 | (scsilun_to_int((struct scsi_lun *)&lun) == 0)) { | |
2212 | ioim->proc_rsp_data = bfa_ioim_lm_proc_inq_data; | |
2213 | return BFA_IOIM_LM_PRESENT; | |
2214 | } | |
2215 | ||
2216 | if (cdb->scsi_cdb[0] == TEST_UNIT_READY) | |
2217 | return BFA_IOIM_LM_LUN_NOT_RDY; | |
2218 | ||
2219 | return BFA_IOIM_LM_LUN_NOT_SUP; | |
2220 | } | |
2221 | ||
2222 | static bfa_boolean_t | |
2223 | bfa_ioim_lm_proc_rsp_data_dummy(struct bfa_ioim_s *ioim) | |
2224 | { | |
2225 | return BFA_TRUE; | |
2226 | } | |
2227 | ||
2228 | static void | |
2229 | bfa_ioim_lm_fetch_lun(struct bfa_ioim_s *ioim, u8 *rl_data, int offset, | |
2230 | int buf_lun_cnt) | |
2231 | { | |
2232 | struct bfa_lun_mask_s *lun_list = bfa_get_lun_mask_list(ioim->bfa); | |
2233 | struct scsi_lun *lun_data = (struct scsi_lun *)(rl_data + offset); | |
2234 | struct scsi_lun lun; | |
2235 | int i, j; | |
2236 | ||
2237 | bfa_trc(ioim->bfa, buf_lun_cnt); | |
2238 | for (j = 0; j < buf_lun_cnt; j++) { | |
2239 | lun = *((struct scsi_lun *)(lun_data + j)); | |
2240 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2241 | if (lun_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE) | |
2242 | continue; | |
2243 | if ((lun_list[i].rp_wwn == bfa_ioim_rp_wwn(ioim)) && | |
2244 | (lun_list[i].lp_wwn == bfa_ioim_lp_wwn(ioim)) && | |
2245 | (scsilun_to_int((struct scsi_lun *)&lun_list[i].lun) | |
2246 | == scsilun_to_int((struct scsi_lun *)&lun))) { | |
2247 | lun_list[i].state = BFA_IOIM_LUN_MASK_FETCHED; | |
2248 | break; | |
2249 | } | |
2250 | } /* next lun in mask DB */ | |
2251 | } /* next lun in buf */ | |
2252 | } | |
2253 | ||
2254 | static int | |
2255 | bfa_ioim_lm_update_lun_sg(struct bfa_ioim_s *ioim, u32 *pgdlen, | |
2256 | struct scsi_report_luns_data_s *rl) | |
2257 | { | |
2258 | struct scsi_cmnd *cmnd = (struct scsi_cmnd *)ioim->dio; | |
2259 | struct scatterlist *sg = scsi_sglist(cmnd); | |
2260 | struct bfa_lun_mask_s *lun_list = bfa_get_lun_mask_list(ioim->bfa); | |
2261 | struct scsi_lun *prev_rl_data = NULL, *base_rl_data; | |
2262 | int i, j, sgeid, lun_fetched_cnt = 0, prev_sg_len = 0, base_count; | |
2263 | int lun_across_sg_bytes, bytes_from_next_buf; | |
2264 | u64 last_lun, temp_last_lun; | |
2265 | ||
2266 | /* fetch luns from the first sg element */ | |
2267 | bfa_ioim_lm_fetch_lun(ioim, (u8 *)(rl->lun), 0, | |
2268 | (sg_dma_len(sg) / sizeof(struct scsi_lun)) - 1); | |
2269 | ||
2270 | /* fetch luns from multiple sg elements */ | |
2271 | scsi_for_each_sg(cmnd, sg, scsi_sg_count(cmnd), sgeid) { | |
2272 | if (sgeid == 0) { | |
2273 | prev_sg_len = sg_dma_len(sg); | |
2274 | prev_rl_data = (struct scsi_lun *) | |
2275 | phys_to_virt(sg_dma_address(sg)); | |
2276 | continue; | |
2277 | } | |
2278 | ||
2279 | /* if the buf is having more data */ | |
2280 | lun_across_sg_bytes = prev_sg_len % sizeof(struct scsi_lun); | |
2281 | if (lun_across_sg_bytes) { | |
2282 | bfa_trc(ioim->bfa, lun_across_sg_bytes); | |
2283 | bfa_stats(ioim->itnim, lm_lun_across_sg); | |
2284 | bytes_from_next_buf = sizeof(struct scsi_lun) - | |
2285 | lun_across_sg_bytes; | |
2286 | ||
2287 | /* from next buf take higher bytes */ | |
2288 | temp_last_lun = *((u64 *) | |
2289 | phys_to_virt(sg_dma_address(sg))); | |
2290 | last_lun |= temp_last_lun >> | |
2291 | (lun_across_sg_bytes * BITS_PER_BYTE); | |
2292 | ||
2293 | /* from prev buf take higher bytes */ | |
2294 | temp_last_lun = *((u64 *)(prev_rl_data + | |
2295 | (prev_sg_len - lun_across_sg_bytes))); | |
2296 | temp_last_lun >>= bytes_from_next_buf * BITS_PER_BYTE; | |
2297 | last_lun = last_lun | (temp_last_lun << | |
2298 | (bytes_from_next_buf * BITS_PER_BYTE)); | |
2299 | ||
2300 | bfa_ioim_lm_fetch_lun(ioim, (u8 *)&last_lun, 0, 1); | |
2301 | } else | |
2302 | bytes_from_next_buf = 0; | |
2303 | ||
2304 | *pgdlen += sg_dma_len(sg); | |
2305 | prev_sg_len = sg_dma_len(sg); | |
2306 | prev_rl_data = (struct scsi_lun *) | |
2307 | phys_to_virt(sg_dma_address(sg)); | |
2308 | bfa_ioim_lm_fetch_lun(ioim, (u8 *)prev_rl_data, | |
2309 | bytes_from_next_buf, | |
2310 | sg_dma_len(sg) / sizeof(struct scsi_lun)); | |
2311 | } | |
2312 | ||
2313 | /* update the report luns data - based on fetched luns */ | |
2314 | sg = scsi_sglist(cmnd); | |
2315 | base_rl_data = (struct scsi_lun *)rl->lun; | |
2316 | base_count = (sg_dma_len(sg) / sizeof(struct scsi_lun)) - 1; | |
2317 | for (i = 0, j = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2318 | if (lun_list[i].state == BFA_IOIM_LUN_MASK_FETCHED) { | |
2319 | base_rl_data[j] = lun_list[i].lun; | |
2320 | lun_list[i].state = BFA_IOIM_LUN_MASK_ACTIVE; | |
2321 | j++; | |
2322 | lun_fetched_cnt++; | |
2323 | } | |
2324 | ||
2325 | if (j > base_count) { | |
2326 | j = 0; | |
2327 | sg = sg_next(sg); | |
2328 | base_rl_data = (struct scsi_lun *) | |
2329 | phys_to_virt(sg_dma_address(sg)); | |
2330 | base_count = sg_dma_len(sg) / sizeof(struct scsi_lun); | |
2331 | } | |
2332 | } | |
2333 | ||
2334 | bfa_trc(ioim->bfa, lun_fetched_cnt); | |
2335 | return lun_fetched_cnt; | |
2336 | } | |
2337 | ||
2338 | static bfa_boolean_t | |
2339 | bfa_ioim_lm_proc_inq_data(struct bfa_ioim_s *ioim) | |
2340 | { | |
2341 | struct scsi_inquiry_data_s *inq; | |
2342 | struct scatterlist *sg = scsi_sglist((struct scsi_cmnd *)ioim->dio); | |
2343 | ||
2344 | ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; | |
2345 | inq = (struct scsi_inquiry_data_s *)phys_to_virt(sg_dma_address(sg)); | |
2346 | ||
2347 | bfa_trc(ioim->bfa, inq->device_type); | |
2348 | inq->peripheral_qual = SCSI_INQ_PQ_NOT_CON; | |
2349 | return 0; | |
2350 | } | |
2351 | ||
2352 | static bfa_boolean_t | |
2353 | bfa_ioim_lm_proc_rpl_data(struct bfa_ioim_s *ioim) | |
2354 | { | |
2355 | struct scsi_cmnd *cmnd = (struct scsi_cmnd *)ioim->dio; | |
2356 | struct scatterlist *sg = scsi_sglist(cmnd); | |
2357 | struct bfi_ioim_rsp_s *m; | |
2358 | struct scsi_report_luns_data_s *rl = NULL; | |
2359 | int lun_count = 0, lun_fetched_cnt = 0; | |
2360 | u32 residue, pgdlen = 0; | |
2361 | ||
2362 | ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; | |
2363 | if (bfa_get_lun_mask_status(ioim->bfa) != BFA_LUNMASK_ENABLED) | |
2364 | return BFA_TRUE; | |
2365 | ||
2366 | m = (struct bfi_ioim_rsp_s *) &ioim->iosp->comp_rspmsg; | |
2367 | if (m->scsi_status == SCSI_STATUS_CHECK_CONDITION) | |
2368 | return BFA_TRUE; | |
2369 | ||
2370 | pgdlen = sg_dma_len(sg); | |
2371 | bfa_trc(ioim->bfa, pgdlen); | |
2372 | rl = (struct scsi_report_luns_data_s *)phys_to_virt(sg_dma_address(sg)); | |
2373 | lun_count = cpu_to_be32(rl->lun_list_length) / sizeof(struct scsi_lun); | |
2374 | lun_fetched_cnt = bfa_ioim_lm_update_lun_sg(ioim, &pgdlen, rl); | |
2375 | ||
2376 | if (lun_count == lun_fetched_cnt) | |
2377 | return BFA_TRUE; | |
2378 | ||
2379 | bfa_trc(ioim->bfa, lun_count); | |
2380 | bfa_trc(ioim->bfa, lun_fetched_cnt); | |
2381 | bfa_trc(ioim->bfa, be32_to_cpu(rl->lun_list_length)); | |
2382 | ||
2383 | if (be32_to_cpu(rl->lun_list_length) <= pgdlen) | |
2384 | rl->lun_list_length = be32_to_cpu(lun_fetched_cnt) * | |
2385 | sizeof(struct scsi_lun); | |
2386 | else | |
2387 | bfa_stats(ioim->itnim, lm_small_buf_addresidue); | |
2388 | ||
2389 | bfa_trc(ioim->bfa, be32_to_cpu(rl->lun_list_length)); | |
2390 | bfa_trc(ioim->bfa, be32_to_cpu(m->residue)); | |
2391 | ||
2392 | residue = be32_to_cpu(m->residue); | |
2393 | residue += (lun_count - lun_fetched_cnt) * sizeof(struct scsi_lun); | |
2394 | bfa_stats(ioim->itnim, lm_wire_residue_changed); | |
2395 | m->residue = be32_to_cpu(residue); | |
2396 | bfa_trc(ioim->bfa, ioim->nsges); | |
2397 | return BFA_FALSE; | |
2398 | } | |
a36c61f9 | 2399 | |
a36c61f9 KG |
2400 | static void |
2401 | __bfa_cb_ioim_good_comp(void *cbarg, bfa_boolean_t complete) | |
2402 | { | |
2403 | struct bfa_ioim_s *ioim = cbarg; | |
2404 | ||
2405 | if (!complete) { | |
2406 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2407 | return; | |
2408 | } | |
2409 | ||
2410 | bfa_cb_ioim_good_comp(ioim->bfa->bfad, ioim->dio); | |
2411 | } | |
2412 | ||
2413 | static void | |
2414 | __bfa_cb_ioim_comp(void *cbarg, bfa_boolean_t complete) | |
2415 | { | |
2416 | struct bfa_ioim_s *ioim = cbarg; | |
2417 | struct bfi_ioim_rsp_s *m; | |
2418 | u8 *snsinfo = NULL; | |
2419 | u8 sns_len = 0; | |
2420 | s32 residue = 0; | |
2421 | ||
2422 | if (!complete) { | |
2423 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2424 | return; | |
2425 | } | |
2426 | ||
2427 | m = (struct bfi_ioim_rsp_s *) &ioim->iosp->comp_rspmsg; | |
2428 | if (m->io_status == BFI_IOIM_STS_OK) { | |
5fbe25c7 | 2429 | /* |
a36c61f9 KG |
2430 | * setup sense information, if present |
2431 | */ | |
2432 | if ((m->scsi_status == SCSI_STATUS_CHECK_CONDITION) && | |
2433 | m->sns_len) { | |
2434 | sns_len = m->sns_len; | |
e2187d7f KG |
2435 | snsinfo = BFA_SNSINFO_FROM_TAG(ioim->fcpim->fcp, |
2436 | ioim->iotag); | |
a36c61f9 KG |
2437 | } |
2438 | ||
5fbe25c7 | 2439 | /* |
a36c61f9 KG |
2440 | * setup residue value correctly for normal completions |
2441 | */ | |
2442 | if (m->resid_flags == FCP_RESID_UNDER) { | |
ba816ea8 | 2443 | residue = be32_to_cpu(m->residue); |
a36c61f9 KG |
2444 | bfa_stats(ioim->itnim, iocomp_underrun); |
2445 | } | |
2446 | if (m->resid_flags == FCP_RESID_OVER) { | |
ba816ea8 | 2447 | residue = be32_to_cpu(m->residue); |
a36c61f9 KG |
2448 | residue = -residue; |
2449 | bfa_stats(ioim->itnim, iocomp_overrun); | |
2450 | } | |
2451 | } | |
2452 | ||
2453 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, m->io_status, | |
2454 | m->scsi_status, sns_len, snsinfo, residue); | |
2455 | } | |
2456 | ||
83763d59 KG |
2457 | static void |
2458 | __bfa_cb_ioim_lm_lun_not_sup(void *cbarg, bfa_boolean_t complete) | |
2459 | { | |
2460 | struct bfa_ioim_s *ioim = cbarg; | |
2461 | int sns_len = 0xD; | |
2462 | u32 residue = scsi_bufflen((struct scsi_cmnd *)ioim->dio); | |
2463 | struct scsi_sense_s *snsinfo; | |
2464 | ||
2465 | if (!complete) { | |
2466 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2467 | return; | |
2468 | } | |
2469 | ||
2470 | snsinfo = (struct scsi_sense_s *)BFA_SNSINFO_FROM_TAG( | |
2471 | ioim->fcpim->fcp, ioim->iotag); | |
2472 | snsinfo->rsp_code = SCSI_SENSE_CUR_ERR; | |
2473 | snsinfo->add_sense_length = 0xa; | |
2474 | snsinfo->asc = SCSI_ASC_LUN_NOT_SUPPORTED; | |
2475 | snsinfo->sense_key = ILLEGAL_REQUEST; | |
2476 | bfa_trc(ioim->bfa, residue); | |
2477 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_OK, | |
2478 | SCSI_STATUS_CHECK_CONDITION, sns_len, | |
2479 | (u8 *)snsinfo, residue); | |
2480 | } | |
2481 | ||
2482 | static void | |
2483 | __bfa_cb_ioim_lm_rpl_dc(void *cbarg, bfa_boolean_t complete) | |
2484 | { | |
2485 | struct bfa_ioim_s *ioim = cbarg; | |
2486 | int sns_len = 0xD; | |
2487 | u32 residue = scsi_bufflen((struct scsi_cmnd *)ioim->dio); | |
2488 | struct scsi_sense_s *snsinfo; | |
2489 | ||
2490 | if (!complete) { | |
2491 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2492 | return; | |
2493 | } | |
2494 | ||
2495 | snsinfo = (struct scsi_sense_s *)BFA_SNSINFO_FROM_TAG(ioim->fcpim->fcp, | |
2496 | ioim->iotag); | |
2497 | snsinfo->rsp_code = SCSI_SENSE_CUR_ERR; | |
2498 | snsinfo->sense_key = SCSI_MP_IEC_UNIT_ATTN; | |
2499 | snsinfo->asc = SCSI_ASC_TOCC; | |
2500 | snsinfo->add_sense_length = 0x6; | |
2501 | snsinfo->ascq = SCSI_ASCQ_RL_DATA_CHANGED; | |
2502 | bfa_trc(ioim->bfa, residue); | |
2503 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_OK, | |
2504 | SCSI_STATUS_CHECK_CONDITION, sns_len, | |
2505 | (u8 *)snsinfo, residue); | |
2506 | } | |
2507 | ||
2508 | static void | |
2509 | __bfa_cb_ioim_lm_lun_not_rdy(void *cbarg, bfa_boolean_t complete) | |
2510 | { | |
2511 | struct bfa_ioim_s *ioim = cbarg; | |
2512 | int sns_len = 0xD; | |
2513 | u32 residue = scsi_bufflen((struct scsi_cmnd *)ioim->dio); | |
2514 | struct scsi_sense_s *snsinfo; | |
2515 | ||
2516 | if (!complete) { | |
2517 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2518 | return; | |
2519 | } | |
2520 | ||
2521 | snsinfo = (struct scsi_sense_s *)BFA_SNSINFO_FROM_TAG( | |
2522 | ioim->fcpim->fcp, ioim->iotag); | |
2523 | snsinfo->rsp_code = SCSI_SENSE_CUR_ERR; | |
2524 | snsinfo->add_sense_length = 0xa; | |
2525 | snsinfo->sense_key = NOT_READY; | |
2526 | snsinfo->asc = SCSI_ASC_LUN_NOT_READY; | |
2527 | snsinfo->ascq = SCSI_ASCQ_MAN_INTR_REQ; | |
2528 | bfa_trc(ioim->bfa, residue); | |
2529 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_OK, | |
2530 | SCSI_STATUS_CHECK_CONDITION, sns_len, | |
2531 | (u8 *)snsinfo, residue); | |
2532 | } | |
2533 | ||
2534 | void | |
2535 | bfa_fcpim_lunmask_rp_update(struct bfa_s *bfa, wwn_t lp_wwn, wwn_t rp_wwn, | |
2536 | u16 rp_tag, u8 lp_tag) | |
2537 | { | |
2538 | struct bfa_lun_mask_s *lun_list; | |
2539 | u8 i; | |
2540 | ||
2541 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2542 | return; | |
2543 | ||
2544 | lun_list = bfa_get_lun_mask_list(bfa); | |
2545 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2546 | if (lun_list[i].state == BFA_IOIM_LUN_MASK_ACTIVE) { | |
2547 | if ((lun_list[i].lp_wwn == lp_wwn) && | |
2548 | (lun_list[i].rp_wwn == rp_wwn)) { | |
2549 | lun_list[i].rp_tag = rp_tag; | |
2550 | lun_list[i].lp_tag = lp_tag; | |
2551 | } | |
2552 | } | |
2553 | } | |
2554 | } | |
2555 | ||
4c5d22bf KG |
2556 | /* |
2557 | * set UA for all active luns in LM DB | |
2558 | */ | |
2559 | static void | |
2560 | bfa_ioim_lm_set_ua(struct bfa_s *bfa) | |
2561 | { | |
2562 | struct bfa_lun_mask_s *lunm_list; | |
2563 | int i; | |
2564 | ||
2565 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2566 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2567 | if (lunm_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE) | |
2568 | continue; | |
2569 | lunm_list[i].ua = BFA_IOIM_LM_UA_SET; | |
2570 | } | |
2571 | } | |
2572 | ||
2573 | bfa_status_t | |
2574 | bfa_fcpim_lunmask_update(struct bfa_s *bfa, u32 update) | |
2575 | { | |
2576 | struct bfa_lunmask_cfg_s *lun_mask; | |
2577 | ||
2578 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2579 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2580 | return BFA_STATUS_FAILED; | |
2581 | ||
2582 | if (bfa_get_lun_mask_status(bfa) == update) | |
2583 | return BFA_STATUS_NO_CHANGE; | |
2584 | ||
2585 | lun_mask = bfa_get_lun_mask(bfa); | |
2586 | lun_mask->status = update; | |
2587 | ||
2588 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_ENABLED) | |
2589 | bfa_ioim_lm_set_ua(bfa); | |
2590 | ||
2591 | return bfa_dconf_update(bfa); | |
2592 | } | |
2593 | ||
2594 | bfa_status_t | |
2595 | bfa_fcpim_lunmask_clear(struct bfa_s *bfa) | |
2596 | { | |
2597 | int i; | |
2598 | struct bfa_lun_mask_s *lunm_list; | |
2599 | ||
2600 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2601 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2602 | return BFA_STATUS_FAILED; | |
2603 | ||
2604 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2605 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2606 | if (lunm_list[i].state == BFA_IOIM_LUN_MASK_ACTIVE) { | |
2607 | if (lunm_list[i].rp_tag != BFA_RPORT_TAG_INVALID) | |
2608 | bfa_rport_unset_lunmask(bfa, | |
2609 | BFA_RPORT_FROM_TAG(bfa, lunm_list[i].rp_tag)); | |
2610 | } | |
2611 | } | |
2612 | ||
2613 | memset(lunm_list, 0, sizeof(struct bfa_lun_mask_s) * MAX_LUN_MASK_CFG); | |
2614 | return bfa_dconf_update(bfa); | |
2615 | } | |
2616 | ||
2617 | bfa_status_t | |
2618 | bfa_fcpim_lunmask_query(struct bfa_s *bfa, void *buf) | |
2619 | { | |
2620 | struct bfa_lunmask_cfg_s *lun_mask; | |
2621 | ||
2622 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2623 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2624 | return BFA_STATUS_FAILED; | |
2625 | ||
2626 | lun_mask = bfa_get_lun_mask(bfa); | |
2627 | memcpy(buf, lun_mask, sizeof(struct bfa_lunmask_cfg_s)); | |
2628 | return BFA_STATUS_OK; | |
2629 | } | |
2630 | ||
2631 | bfa_status_t | |
2632 | bfa_fcpim_lunmask_add(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn, | |
2633 | wwn_t rpwwn, struct scsi_lun lun) | |
2634 | { | |
2635 | struct bfa_lun_mask_s *lunm_list; | |
2636 | struct bfa_rport_s *rp = NULL; | |
2637 | int i, free_index = MAX_LUN_MASK_CFG + 1; | |
2638 | struct bfa_fcs_lport_s *port = NULL; | |
2639 | struct bfa_fcs_rport_s *rp_fcs; | |
2640 | ||
2641 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2642 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2643 | return BFA_STATUS_FAILED; | |
2644 | ||
2645 | port = bfa_fcs_lookup_port(&((struct bfad_s *)bfa->bfad)->bfa_fcs, | |
2646 | vf_id, *pwwn); | |
2647 | if (port) { | |
2648 | *pwwn = port->port_cfg.pwwn; | |
2649 | rp_fcs = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); | |
2650 | rp = rp_fcs->bfa_rport; | |
2651 | } | |
2652 | ||
2653 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2654 | /* if entry exists */ | |
2655 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2656 | if (lunm_list[i].state != BFA_IOIM_LUN_MASK_ACTIVE) | |
2657 | free_index = i; | |
2658 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2659 | (lunm_list[i].rp_wwn == rpwwn) && | |
2660 | (scsilun_to_int((struct scsi_lun *)&lunm_list[i].lun) == | |
2661 | scsilun_to_int((struct scsi_lun *)&lun))) | |
2662 | return BFA_STATUS_ENTRY_EXISTS; | |
2663 | } | |
2664 | ||
2665 | if (free_index > MAX_LUN_MASK_CFG) | |
2666 | return BFA_STATUS_MAX_ENTRY_REACHED; | |
2667 | ||
2668 | if (rp) { | |
2669 | lunm_list[free_index].lp_tag = bfa_lps_get_tag_from_pid(bfa, | |
2670 | rp->rport_info.local_pid); | |
2671 | lunm_list[free_index].rp_tag = rp->rport_tag; | |
2672 | } else { | |
2673 | lunm_list[free_index].lp_tag = BFA_LP_TAG_INVALID; | |
2674 | lunm_list[free_index].rp_tag = BFA_RPORT_TAG_INVALID; | |
2675 | } | |
2676 | ||
2677 | lunm_list[free_index].lp_wwn = *pwwn; | |
2678 | lunm_list[free_index].rp_wwn = rpwwn; | |
2679 | lunm_list[free_index].lun = lun; | |
2680 | lunm_list[free_index].state = BFA_IOIM_LUN_MASK_ACTIVE; | |
2681 | ||
2682 | /* set for all luns in this rp */ | |
2683 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2684 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2685 | (lunm_list[i].rp_wwn == rpwwn)) | |
2686 | lunm_list[i].ua = BFA_IOIM_LM_UA_SET; | |
2687 | } | |
2688 | ||
2689 | return bfa_dconf_update(bfa); | |
2690 | } | |
2691 | ||
2692 | bfa_status_t | |
2693 | bfa_fcpim_lunmask_delete(struct bfa_s *bfa, u16 vf_id, wwn_t *pwwn, | |
2694 | wwn_t rpwwn, struct scsi_lun lun) | |
2695 | { | |
2696 | struct bfa_lun_mask_s *lunm_list; | |
2697 | struct bfa_rport_s *rp = NULL; | |
2698 | struct bfa_fcs_lport_s *port = NULL; | |
2699 | struct bfa_fcs_rport_s *rp_fcs; | |
2700 | int i; | |
2701 | ||
2702 | /* in min cfg lunm_list could be NULL but no commands should run. */ | |
2703 | if (bfa_get_lun_mask_status(bfa) == BFA_LUNMASK_MINCFG) | |
2704 | return BFA_STATUS_FAILED; | |
2705 | ||
2706 | bfa_trc(bfa, bfa_get_lun_mask_status(bfa)); | |
2707 | bfa_trc(bfa, *pwwn); | |
2708 | bfa_trc(bfa, rpwwn); | |
2709 | bfa_trc(bfa, scsilun_to_int((struct scsi_lun *)&lun)); | |
2710 | ||
2711 | if (*pwwn == 0) { | |
2712 | port = bfa_fcs_lookup_port( | |
2713 | &((struct bfad_s *)bfa->bfad)->bfa_fcs, | |
2714 | vf_id, *pwwn); | |
2715 | if (port) { | |
2716 | *pwwn = port->port_cfg.pwwn; | |
2717 | rp_fcs = bfa_fcs_lport_get_rport_by_pwwn(port, rpwwn); | |
2718 | rp = rp_fcs->bfa_rport; | |
2719 | } | |
2720 | } | |
2721 | ||
2722 | lunm_list = bfa_get_lun_mask_list(bfa); | |
2723 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2724 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2725 | (lunm_list[i].rp_wwn == rpwwn) && | |
2726 | (scsilun_to_int((struct scsi_lun *)&lunm_list[i].lun) == | |
2727 | scsilun_to_int((struct scsi_lun *)&lun))) { | |
2728 | lunm_list[i].lp_wwn = 0; | |
2729 | lunm_list[i].rp_wwn = 0; | |
2730 | int_to_scsilun(0, &lunm_list[i].lun); | |
2731 | lunm_list[i].state = BFA_IOIM_LUN_MASK_INACTIVE; | |
2732 | if (lunm_list[i].rp_tag != BFA_RPORT_TAG_INVALID) { | |
2733 | lunm_list[i].rp_tag = BFA_RPORT_TAG_INVALID; | |
2734 | lunm_list[i].lp_tag = BFA_LP_TAG_INVALID; | |
2735 | } | |
2736 | return bfa_dconf_update(bfa); | |
2737 | } | |
2738 | } | |
2739 | ||
2740 | /* set for all luns in this rp */ | |
2741 | for (i = 0; i < MAX_LUN_MASK_CFG; i++) { | |
2742 | if ((lunm_list[i].lp_wwn == *pwwn) && | |
2743 | (lunm_list[i].rp_wwn == rpwwn)) | |
2744 | lunm_list[i].ua = BFA_IOIM_LM_UA_SET; | |
2745 | } | |
2746 | ||
2747 | return BFA_STATUS_ENTRY_NOT_EXISTS; | |
2748 | } | |
2749 | ||
a36c61f9 KG |
2750 | static void |
2751 | __bfa_cb_ioim_failed(void *cbarg, bfa_boolean_t complete) | |
2752 | { | |
2753 | struct bfa_ioim_s *ioim = cbarg; | |
2754 | ||
2755 | if (!complete) { | |
2756 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2757 | return; | |
2758 | } | |
2759 | ||
83763d59 | 2760 | ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; |
a36c61f9 KG |
2761 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_ABORTED, |
2762 | 0, 0, NULL, 0); | |
2763 | } | |
2764 | ||
2765 | static void | |
2766 | __bfa_cb_ioim_pathtov(void *cbarg, bfa_boolean_t complete) | |
2767 | { | |
2768 | struct bfa_ioim_s *ioim = cbarg; | |
2769 | ||
2770 | bfa_stats(ioim->itnim, path_tov_expired); | |
2771 | if (!complete) { | |
2772 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2773 | return; | |
2774 | } | |
2775 | ||
83763d59 | 2776 | ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; |
a36c61f9 KG |
2777 | bfa_cb_ioim_done(ioim->bfa->bfad, ioim->dio, BFI_IOIM_STS_PATHTOV, |
2778 | 0, 0, NULL, 0); | |
2779 | } | |
2780 | ||
2781 | static void | |
2782 | __bfa_cb_ioim_abort(void *cbarg, bfa_boolean_t complete) | |
2783 | { | |
2784 | struct bfa_ioim_s *ioim = cbarg; | |
2785 | ||
2786 | if (!complete) { | |
2787 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HCB); | |
2788 | return; | |
2789 | } | |
2790 | ||
83763d59 | 2791 | ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; |
a36c61f9 KG |
2792 | bfa_cb_ioim_abort(ioim->bfa->bfad, ioim->dio); |
2793 | } | |
2794 | ||
2795 | static void | |
2796 | bfa_ioim_sgpg_alloced(void *cbarg) | |
2797 | { | |
2798 | struct bfa_ioim_s *ioim = cbarg; | |
2799 | ||
2800 | ioim->nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); | |
2801 | list_splice_tail_init(&ioim->iosp->sgpg_wqe.sgpg_q, &ioim->sgpg_q); | |
e3e7d3ee | 2802 | ioim->sgpg = bfa_q_first(&ioim->sgpg_q); |
a36c61f9 KG |
2803 | bfa_sm_send_event(ioim, BFA_IOIM_SM_SGALLOCED); |
2804 | } | |
2805 | ||
5fbe25c7 | 2806 | /* |
a36c61f9 KG |
2807 | * Send I/O request to firmware. |
2808 | */ | |
2809 | static bfa_boolean_t | |
2810 | bfa_ioim_send_ioreq(struct bfa_ioim_s *ioim) | |
2811 | { | |
2812 | struct bfa_itnim_s *itnim = ioim->itnim; | |
2813 | struct bfi_ioim_req_s *m; | |
da99dcc9 | 2814 | static struct fcp_cmnd_s cmnd_z0 = { { { 0 } } }; |
e3e7d3ee | 2815 | struct bfi_sge_s *sge, *sgpge; |
a36c61f9 KG |
2816 | u32 pgdlen = 0; |
2817 | u32 fcp_dl; | |
2818 | u64 addr; | |
2819 | struct scatterlist *sg; | |
e3e7d3ee | 2820 | struct bfa_sgpg_s *sgpg; |
a36c61f9 | 2821 | struct scsi_cmnd *cmnd = (struct scsi_cmnd *) ioim->dio; |
e3e7d3ee | 2822 | u32 i, sge_id, pgcumsz; |
f314878a | 2823 | enum dma_data_direction dmadir; |
a36c61f9 | 2824 | |
5fbe25c7 | 2825 | /* |
a36c61f9 KG |
2826 | * check for room in queue to send request now |
2827 | */ | |
2828 | m = bfa_reqq_next(ioim->bfa, ioim->reqq); | |
2829 | if (!m) { | |
2830 | bfa_stats(ioim->itnim, qwait); | |
2831 | bfa_reqq_wait(ioim->bfa, ioim->reqq, | |
2832 | &ioim->iosp->reqq_wait); | |
2833 | return BFA_FALSE; | |
2834 | } | |
2835 | ||
5fbe25c7 | 2836 | /* |
a36c61f9 KG |
2837 | * build i/o request message next |
2838 | */ | |
ba816ea8 | 2839 | m->io_tag = cpu_to_be16(ioim->iotag); |
a36c61f9 | 2840 | m->rport_hdl = ioim->itnim->rport->fw_handle; |
f314878a | 2841 | m->io_timeout = 0; |
a36c61f9 | 2842 | |
a36c61f9 | 2843 | sge = &m->sges[0]; |
e3e7d3ee MZ |
2844 | sgpg = ioim->sgpg; |
2845 | sge_id = 0; | |
2846 | sgpge = NULL; | |
2847 | pgcumsz = 0; | |
2848 | scsi_for_each_sg(cmnd, sg, ioim->nsges, i) { | |
2849 | if (i == 0) { | |
2850 | /* build inline IO SG element */ | |
f16a1750 | 2851 | addr = bfa_sgaddr_le(sg_dma_address(sg)); |
e3e7d3ee MZ |
2852 | sge->sga = *(union bfi_addr_u *) &addr; |
2853 | pgdlen = sg_dma_len(sg); | |
2854 | sge->sg_len = pgdlen; | |
2855 | sge->flags = (ioim->nsges > BFI_SGE_INLINE) ? | |
a36c61f9 | 2856 | BFI_SGE_DATA_CPL : BFI_SGE_DATA_LAST; |
e3e7d3ee MZ |
2857 | bfa_sge_to_be(sge); |
2858 | sge++; | |
2859 | } else { | |
2860 | if (sge_id == 0) | |
2861 | sgpge = sgpg->sgpg->sges; | |
2862 | ||
f16a1750 | 2863 | addr = bfa_sgaddr_le(sg_dma_address(sg)); |
e3e7d3ee MZ |
2864 | sgpge->sga = *(union bfi_addr_u *) &addr; |
2865 | sgpge->sg_len = sg_dma_len(sg); | |
2866 | pgcumsz += sgpge->sg_len; | |
2867 | ||
2868 | /* set flags */ | |
2869 | if (i < (ioim->nsges - 1) && | |
2870 | sge_id < (BFI_SGPG_DATA_SGES - 1)) | |
2871 | sgpge->flags = BFI_SGE_DATA; | |
2872 | else if (i < (ioim->nsges - 1)) | |
2873 | sgpge->flags = BFI_SGE_DATA_CPL; | |
2874 | else | |
2875 | sgpge->flags = BFI_SGE_DATA_LAST; | |
2876 | ||
2877 | bfa_sge_to_le(sgpge); | |
2878 | ||
2879 | sgpge++; | |
2880 | if (i == (ioim->nsges - 1)) { | |
2881 | sgpge->flags = BFI_SGE_PGDLEN; | |
2882 | sgpge->sga.a32.addr_lo = 0; | |
2883 | sgpge->sga.a32.addr_hi = 0; | |
2884 | sgpge->sg_len = pgcumsz; | |
2885 | bfa_sge_to_le(sgpge); | |
2886 | } else if (++sge_id == BFI_SGPG_DATA_SGES) { | |
2887 | sgpg = (struct bfa_sgpg_s *) bfa_q_next(sgpg); | |
2888 | sgpge->flags = BFI_SGE_LINK; | |
2889 | sgpge->sga = sgpg->sgpg_pa; | |
2890 | sgpge->sg_len = pgcumsz; | |
2891 | bfa_sge_to_le(sgpge); | |
2892 | sge_id = 0; | |
2893 | pgcumsz = 0; | |
2894 | } | |
2895 | } | |
a36c61f9 KG |
2896 | } |
2897 | ||
2898 | if (ioim->nsges > BFI_SGE_INLINE) { | |
2899 | sge->sga = ioim->sgpg->sgpg_pa; | |
2900 | } else { | |
2901 | sge->sga.a32.addr_lo = 0; | |
2902 | sge->sga.a32.addr_hi = 0; | |
2903 | } | |
2904 | sge->sg_len = pgdlen; | |
2905 | sge->flags = BFI_SGE_PGDLEN; | |
2906 | bfa_sge_to_be(sge); | |
2907 | ||
5fbe25c7 | 2908 | /* |
a36c61f9 KG |
2909 | * set up I/O command parameters |
2910 | */ | |
6a18b167 | 2911 | m->cmnd = cmnd_z0; |
f314878a MZ |
2912 | int_to_scsilun(cmnd->device->lun, &m->cmnd.lun); |
2913 | dmadir = cmnd->sc_data_direction; | |
2914 | if (dmadir == DMA_TO_DEVICE) | |
2915 | m->cmnd.iodir = FCP_IODIR_WRITE; | |
2916 | else if (dmadir == DMA_FROM_DEVICE) | |
2917 | m->cmnd.iodir = FCP_IODIR_READ; | |
2918 | else | |
2919 | m->cmnd.iodir = FCP_IODIR_NONE; | |
2920 | ||
8f4bfadd | 2921 | m->cmnd.cdb = *(struct scsi_cdb_s *) cmnd->cmnd; |
f314878a | 2922 | fcp_dl = scsi_bufflen(cmnd); |
ba816ea8 | 2923 | m->cmnd.fcp_dl = cpu_to_be32(fcp_dl); |
a36c61f9 | 2924 | |
5fbe25c7 | 2925 | /* |
a36c61f9 KG |
2926 | * set up I/O message header |
2927 | */ | |
2928 | switch (m->cmnd.iodir) { | |
2929 | case FCP_IODIR_READ: | |
3fd45980 | 2930 | bfi_h2i_set(m->mh, BFI_MC_IOIM_READ, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 KG |
2931 | bfa_stats(itnim, input_reqs); |
2932 | ioim->itnim->stats.rd_throughput += fcp_dl; | |
2933 | break; | |
2934 | case FCP_IODIR_WRITE: | |
3fd45980 | 2935 | bfi_h2i_set(m->mh, BFI_MC_IOIM_WRITE, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 KG |
2936 | bfa_stats(itnim, output_reqs); |
2937 | ioim->itnim->stats.wr_throughput += fcp_dl; | |
2938 | break; | |
2939 | case FCP_IODIR_RW: | |
2940 | bfa_stats(itnim, input_reqs); | |
2941 | bfa_stats(itnim, output_reqs); | |
2942 | default: | |
3fd45980 | 2943 | bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 KG |
2944 | } |
2945 | if (itnim->seq_rec || | |
f314878a | 2946 | (scsi_bufflen(cmnd) & (sizeof(u32) - 1))) |
3fd45980 | 2947 | bfi_h2i_set(m->mh, BFI_MC_IOIM_IO, 0, bfa_fn_lpu(ioim->bfa)); |
a36c61f9 | 2948 | |
5fbe25c7 | 2949 | /* |
a36c61f9 KG |
2950 | * queue I/O message to firmware |
2951 | */ | |
3fd45980 | 2952 | bfa_reqq_produce(ioim->bfa, ioim->reqq, m->mh); |
a36c61f9 KG |
2953 | return BFA_TRUE; |
2954 | } | |
2955 | ||
5fbe25c7 | 2956 | /* |
a36c61f9 KG |
2957 | * Setup any additional SG pages needed.Inline SG element is setup |
2958 | * at queuing time. | |
2959 | */ | |
2960 | static bfa_boolean_t | |
e3e7d3ee | 2961 | bfa_ioim_sgpg_alloc(struct bfa_ioim_s *ioim) |
a36c61f9 KG |
2962 | { |
2963 | u16 nsgpgs; | |
2964 | ||
d4b671c5 | 2965 | WARN_ON(ioim->nsges <= BFI_SGE_INLINE); |
a36c61f9 | 2966 | |
5fbe25c7 | 2967 | /* |
a36c61f9 KG |
2968 | * allocate SG pages needed |
2969 | */ | |
2970 | nsgpgs = BFA_SGPG_NPAGE(ioim->nsges); | |
2971 | if (!nsgpgs) | |
2972 | return BFA_TRUE; | |
2973 | ||
2974 | if (bfa_sgpg_malloc(ioim->bfa, &ioim->sgpg_q, nsgpgs) | |
2975 | != BFA_STATUS_OK) { | |
2976 | bfa_sgpg_wait(ioim->bfa, &ioim->iosp->sgpg_wqe, nsgpgs); | |
2977 | return BFA_FALSE; | |
2978 | } | |
2979 | ||
2980 | ioim->nsgpgs = nsgpgs; | |
e3e7d3ee | 2981 | ioim->sgpg = bfa_q_first(&ioim->sgpg_q); |
a36c61f9 KG |
2982 | |
2983 | return BFA_TRUE; | |
2984 | } | |
2985 | ||
5fbe25c7 | 2986 | /* |
a36c61f9 KG |
2987 | * Send I/O abort request to firmware. |
2988 | */ | |
2989 | static bfa_boolean_t | |
2990 | bfa_ioim_send_abort(struct bfa_ioim_s *ioim) | |
2991 | { | |
2992 | struct bfi_ioim_abort_req_s *m; | |
2993 | enum bfi_ioim_h2i msgop; | |
2994 | ||
5fbe25c7 | 2995 | /* |
a36c61f9 KG |
2996 | * check for room in queue to send request now |
2997 | */ | |
2998 | m = bfa_reqq_next(ioim->bfa, ioim->reqq); | |
2999 | if (!m) | |
3000 | return BFA_FALSE; | |
3001 | ||
5fbe25c7 | 3002 | /* |
a36c61f9 KG |
3003 | * build i/o request message next |
3004 | */ | |
3005 | if (ioim->iosp->abort_explicit) | |
3006 | msgop = BFI_IOIM_H2I_IOABORT_REQ; | |
3007 | else | |
3008 | msgop = BFI_IOIM_H2I_IOCLEANUP_REQ; | |
3009 | ||
3fd45980 | 3010 | bfi_h2i_set(m->mh, BFI_MC_IOIM, msgop, bfa_fn_lpu(ioim->bfa)); |
ba816ea8 | 3011 | m->io_tag = cpu_to_be16(ioim->iotag); |
a36c61f9 KG |
3012 | m->abort_tag = ++ioim->abort_tag; |
3013 | ||
5fbe25c7 | 3014 | /* |
a36c61f9 KG |
3015 | * queue I/O message to firmware |
3016 | */ | |
3fd45980 | 3017 | bfa_reqq_produce(ioim->bfa, ioim->reqq, m->mh); |
a36c61f9 KG |
3018 | return BFA_TRUE; |
3019 | } | |
3020 | ||
5fbe25c7 | 3021 | /* |
a36c61f9 KG |
3022 | * Call to resume any I/O requests waiting for room in request queue. |
3023 | */ | |
3024 | static void | |
3025 | bfa_ioim_qresume(void *cbarg) | |
3026 | { | |
3027 | struct bfa_ioim_s *ioim = cbarg; | |
3028 | ||
3029 | bfa_stats(ioim->itnim, qresumes); | |
3030 | bfa_sm_send_event(ioim, BFA_IOIM_SM_QRESUME); | |
3031 | } | |
3032 | ||
3033 | ||
3034 | static void | |
3035 | bfa_ioim_notify_cleanup(struct bfa_ioim_s *ioim) | |
3036 | { | |
5fbe25c7 | 3037 | /* |
a36c61f9 KG |
3038 | * Move IO from itnim queue to fcpim global queue since itnim will be |
3039 | * freed. | |
3040 | */ | |
3041 | list_del(&ioim->qe); | |
3042 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
3043 | ||
3044 | if (!ioim->iosp->tskim) { | |
3045 | if (ioim->fcpim->delay_comp && ioim->itnim->iotov_active) { | |
3046 | bfa_cb_dequeue(&ioim->hcb_qe); | |
3047 | list_del(&ioim->qe); | |
3048 | list_add_tail(&ioim->qe, &ioim->itnim->delay_comp_q); | |
3049 | } | |
3050 | bfa_itnim_iodone(ioim->itnim); | |
3051 | } else | |
f7f73812 | 3052 | bfa_wc_down(&ioim->iosp->tskim->wc); |
a36c61f9 KG |
3053 | } |
3054 | ||
3055 | static bfa_boolean_t | |
3056 | bfa_ioim_is_abortable(struct bfa_ioim_s *ioim) | |
3057 | { | |
3058 | if ((bfa_sm_cmp_state(ioim, bfa_ioim_sm_uninit) && | |
3059 | (!bfa_q_is_on_q(&ioim->itnim->pending_q, ioim))) || | |
3060 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort)) || | |
3061 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_abort_qfull)) || | |
3062 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb)) || | |
3063 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_hcb_free)) || | |
3064 | (bfa_sm_cmp_state(ioim, bfa_ioim_sm_resfree))) | |
3065 | return BFA_FALSE; | |
3066 | ||
3067 | return BFA_TRUE; | |
3068 | } | |
3069 | ||
a36c61f9 KG |
3070 | void |
3071 | bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim, bfa_boolean_t iotov) | |
3072 | { | |
5fbe25c7 | 3073 | /* |
a36c61f9 KG |
3074 | * If path tov timer expired, failback with PATHTOV status - these |
3075 | * IO requests are not normally retried by IO stack. | |
3076 | * | |
3077 | * Otherwise device cameback online and fail it with normal failed | |
3078 | * status so that IO stack retries these failed IO requests. | |
3079 | */ | |
3080 | if (iotov) | |
3081 | ioim->io_cbfn = __bfa_cb_ioim_pathtov; | |
3082 | else { | |
3083 | ioim->io_cbfn = __bfa_cb_ioim_failed; | |
3084 | bfa_stats(ioim->itnim, iocom_nexus_abort); | |
3085 | } | |
3086 | bfa_cb_queue(ioim->bfa, &ioim->hcb_qe, ioim->io_cbfn, ioim); | |
3087 | ||
5fbe25c7 | 3088 | /* |
a36c61f9 KG |
3089 | * Move IO to fcpim global queue since itnim will be |
3090 | * freed. | |
3091 | */ | |
3092 | list_del(&ioim->qe); | |
3093 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
3094 | } | |
3095 | ||
3096 | ||
5fbe25c7 | 3097 | /* |
a36c61f9 KG |
3098 | * Memory allocation and initialization. |
3099 | */ | |
3100 | void | |
4507025d | 3101 | bfa_ioim_attach(struct bfa_fcpim_s *fcpim) |
a36c61f9 KG |
3102 | { |
3103 | struct bfa_ioim_s *ioim; | |
4507025d | 3104 | struct bfa_fcp_mod_s *fcp = fcpim->fcp; |
a36c61f9 KG |
3105 | struct bfa_ioim_sp_s *iosp; |
3106 | u16 i; | |
a36c61f9 | 3107 | |
5fbe25c7 | 3108 | /* |
a36c61f9 KG |
3109 | * claim memory first |
3110 | */ | |
4507025d | 3111 | ioim = (struct bfa_ioim_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 | 3112 | fcpim->ioim_arr = ioim; |
4507025d | 3113 | bfa_mem_kva_curp(fcp) = (u8 *) (ioim + fcpim->fcp->num_ioim_reqs); |
a36c61f9 | 3114 | |
4507025d | 3115 | iosp = (struct bfa_ioim_sp_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 | 3116 | fcpim->ioim_sp_arr = iosp; |
4507025d | 3117 | bfa_mem_kva_curp(fcp) = (u8 *) (iosp + fcpim->fcp->num_ioim_reqs); |
a36c61f9 | 3118 | |
5fbe25c7 | 3119 | /* |
a36c61f9 KG |
3120 | * Initialize ioim free queues |
3121 | */ | |
a36c61f9 KG |
3122 | INIT_LIST_HEAD(&fcpim->ioim_resfree_q); |
3123 | INIT_LIST_HEAD(&fcpim->ioim_comp_q); | |
3124 | ||
e2187d7f KG |
3125 | for (i = 0; i < fcpim->fcp->num_ioim_reqs; |
3126 | i++, ioim++, iosp++) { | |
a36c61f9 KG |
3127 | /* |
3128 | * initialize IOIM | |
3129 | */ | |
6a18b167 | 3130 | memset(ioim, 0, sizeof(struct bfa_ioim_s)); |
a36c61f9 KG |
3131 | ioim->iotag = i; |
3132 | ioim->bfa = fcpim->bfa; | |
3133 | ioim->fcpim = fcpim; | |
3134 | ioim->iosp = iosp; | |
83763d59 | 3135 | ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; |
a36c61f9 KG |
3136 | INIT_LIST_HEAD(&ioim->sgpg_q); |
3137 | bfa_reqq_winit(&ioim->iosp->reqq_wait, | |
3138 | bfa_ioim_qresume, ioim); | |
3139 | bfa_sgpg_winit(&ioim->iosp->sgpg_wqe, | |
3140 | bfa_ioim_sgpg_alloced, ioim); | |
3141 | bfa_sm_set_state(ioim, bfa_ioim_sm_uninit); | |
a36c61f9 KG |
3142 | } |
3143 | } | |
3144 | ||
a36c61f9 KG |
3145 | void |
3146 | bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
3147 | { | |
e2187d7f | 3148 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
3149 | struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m; |
3150 | struct bfa_ioim_s *ioim; | |
3151 | u16 iotag; | |
3152 | enum bfa_ioim_event evt = BFA_IOIM_SM_COMP; | |
3153 | ||
ba816ea8 | 3154 | iotag = be16_to_cpu(rsp->io_tag); |
a36c61f9 KG |
3155 | |
3156 | ioim = BFA_IOIM_FROM_TAG(fcpim, iotag); | |
d4b671c5 | 3157 | WARN_ON(ioim->iotag != iotag); |
a36c61f9 KG |
3158 | |
3159 | bfa_trc(ioim->bfa, ioim->iotag); | |
3160 | bfa_trc(ioim->bfa, rsp->io_status); | |
3161 | bfa_trc(ioim->bfa, rsp->reuse_io_tag); | |
3162 | ||
3163 | if (bfa_sm_cmp_state(ioim, bfa_ioim_sm_active)) | |
6a18b167 | 3164 | ioim->iosp->comp_rspmsg = *m; |
a36c61f9 KG |
3165 | |
3166 | switch (rsp->io_status) { | |
3167 | case BFI_IOIM_STS_OK: | |
3168 | bfa_stats(ioim->itnim, iocomp_ok); | |
3169 | if (rsp->reuse_io_tag == 0) | |
3170 | evt = BFA_IOIM_SM_DONE; | |
3171 | else | |
3172 | evt = BFA_IOIM_SM_COMP; | |
83763d59 | 3173 | ioim->proc_rsp_data(ioim); |
a36c61f9 KG |
3174 | break; |
3175 | ||
3176 | case BFI_IOIM_STS_TIMEDOUT: | |
3177 | bfa_stats(ioim->itnim, iocomp_timedout); | |
3178 | case BFI_IOIM_STS_ABORTED: | |
3179 | rsp->io_status = BFI_IOIM_STS_ABORTED; | |
3180 | bfa_stats(ioim->itnim, iocomp_aborted); | |
3181 | if (rsp->reuse_io_tag == 0) | |
3182 | evt = BFA_IOIM_SM_DONE; | |
3183 | else | |
3184 | evt = BFA_IOIM_SM_COMP; | |
3185 | break; | |
3186 | ||
3187 | case BFI_IOIM_STS_PROTO_ERR: | |
3188 | bfa_stats(ioim->itnim, iocom_proto_err); | |
d4b671c5 | 3189 | WARN_ON(!rsp->reuse_io_tag); |
a36c61f9 KG |
3190 | evt = BFA_IOIM_SM_COMP; |
3191 | break; | |
3192 | ||
3193 | case BFI_IOIM_STS_SQER_NEEDED: | |
3194 | bfa_stats(ioim->itnim, iocom_sqer_needed); | |
d4b671c5 | 3195 | WARN_ON(rsp->reuse_io_tag != 0); |
a36c61f9 KG |
3196 | evt = BFA_IOIM_SM_SQRETRY; |
3197 | break; | |
3198 | ||
3199 | case BFI_IOIM_STS_RES_FREE: | |
3200 | bfa_stats(ioim->itnim, iocom_res_free); | |
3201 | evt = BFA_IOIM_SM_FREE; | |
3202 | break; | |
3203 | ||
3204 | case BFI_IOIM_STS_HOST_ABORTED: | |
3205 | bfa_stats(ioim->itnim, iocom_hostabrts); | |
3206 | if (rsp->abort_tag != ioim->abort_tag) { | |
3207 | bfa_trc(ioim->bfa, rsp->abort_tag); | |
3208 | bfa_trc(ioim->bfa, ioim->abort_tag); | |
83763d59 | 3209 | ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; |
a36c61f9 KG |
3210 | return; |
3211 | } | |
3212 | ||
3213 | if (rsp->reuse_io_tag) | |
3214 | evt = BFA_IOIM_SM_ABORT_COMP; | |
3215 | else | |
3216 | evt = BFA_IOIM_SM_ABORT_DONE; | |
3217 | break; | |
3218 | ||
3219 | case BFI_IOIM_STS_UTAG: | |
3220 | bfa_stats(ioim->itnim, iocom_utags); | |
3221 | evt = BFA_IOIM_SM_COMP_UTAG; | |
3222 | break; | |
3223 | ||
3224 | default: | |
d4b671c5 | 3225 | WARN_ON(1); |
a36c61f9 KG |
3226 | } |
3227 | ||
83763d59 | 3228 | ioim->proc_rsp_data = bfa_ioim_lm_proc_rsp_data_dummy; |
a36c61f9 KG |
3229 | bfa_sm_send_event(ioim, evt); |
3230 | } | |
3231 | ||
3232 | void | |
3233 | bfa_ioim_good_comp_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
3234 | { | |
e2187d7f | 3235 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
3236 | struct bfi_ioim_rsp_s *rsp = (struct bfi_ioim_rsp_s *) m; |
3237 | struct bfa_ioim_s *ioim; | |
3238 | u16 iotag; | |
3239 | ||
ba816ea8 | 3240 | iotag = be16_to_cpu(rsp->io_tag); |
a36c61f9 KG |
3241 | |
3242 | ioim = BFA_IOIM_FROM_TAG(fcpim, iotag); | |
d4b671c5 | 3243 | WARN_ON(BFA_IOIM_TAG_2_ID(ioim->iotag) != iotag); |
a36c61f9 | 3244 | |
a36c61f9 | 3245 | bfa_ioim_cb_profile_comp(fcpim, ioim); |
83763d59 KG |
3246 | |
3247 | if (bfa_get_lun_mask_status(bfa) != BFA_LUNMASK_ENABLED) { | |
3248 | bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP_GOOD); | |
3249 | return; | |
3250 | } | |
3251 | ||
3252 | if (ioim->proc_rsp_data(ioim) == BFA_TRUE) | |
3253 | bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP_GOOD); | |
3254 | else | |
3255 | bfa_sm_send_event(ioim, BFA_IOIM_SM_COMP); | |
a36c61f9 KG |
3256 | } |
3257 | ||
5fbe25c7 | 3258 | /* |
a36c61f9 KG |
3259 | * Called by itnim to clean up IO while going offline. |
3260 | */ | |
3261 | void | |
3262 | bfa_ioim_cleanup(struct bfa_ioim_s *ioim) | |
3263 | { | |
3264 | bfa_trc(ioim->bfa, ioim->iotag); | |
3265 | bfa_stats(ioim->itnim, io_cleanups); | |
3266 | ||
3267 | ioim->iosp->tskim = NULL; | |
3268 | bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP); | |
3269 | } | |
3270 | ||
3271 | void | |
3272 | bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim, struct bfa_tskim_s *tskim) | |
3273 | { | |
3274 | bfa_trc(ioim->bfa, ioim->iotag); | |
3275 | bfa_stats(ioim->itnim, io_tmaborts); | |
3276 | ||
3277 | ioim->iosp->tskim = tskim; | |
3278 | bfa_sm_send_event(ioim, BFA_IOIM_SM_CLEANUP); | |
3279 | } | |
3280 | ||
5fbe25c7 | 3281 | /* |
a36c61f9 KG |
3282 | * IOC failure handling. |
3283 | */ | |
3284 | void | |
3285 | bfa_ioim_iocdisable(struct bfa_ioim_s *ioim) | |
3286 | { | |
3287 | bfa_trc(ioim->bfa, ioim->iotag); | |
3288 | bfa_stats(ioim->itnim, io_iocdowns); | |
3289 | bfa_sm_send_event(ioim, BFA_IOIM_SM_HWFAIL); | |
3290 | } | |
3291 | ||
5fbe25c7 | 3292 | /* |
a36c61f9 KG |
3293 | * IO offline TOV popped. Fail the pending IO. |
3294 | */ | |
3295 | void | |
3296 | bfa_ioim_tov(struct bfa_ioim_s *ioim) | |
3297 | { | |
3298 | bfa_trc(ioim->bfa, ioim->iotag); | |
3299 | bfa_sm_send_event(ioim, BFA_IOIM_SM_IOTOV); | |
3300 | } | |
3301 | ||
3302 | ||
5fbe25c7 | 3303 | /* |
a36c61f9 KG |
3304 | * Allocate IOIM resource for initiator mode I/O request. |
3305 | */ | |
3306 | struct bfa_ioim_s * | |
3307 | bfa_ioim_alloc(struct bfa_s *bfa, struct bfad_ioim_s *dio, | |
3308 | struct bfa_itnim_s *itnim, u16 nsges) | |
3309 | { | |
e2187d7f | 3310 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 | 3311 | struct bfa_ioim_s *ioim; |
e2187d7f | 3312 | struct bfa_iotag_s *iotag = NULL; |
a36c61f9 | 3313 | |
5fbe25c7 | 3314 | /* |
a36c61f9 KG |
3315 | * alocate IOIM resource |
3316 | */ | |
e2187d7f KG |
3317 | bfa_q_deq(&fcpim->fcp->iotag_ioim_free_q, &iotag); |
3318 | if (!iotag) { | |
a36c61f9 KG |
3319 | bfa_stats(itnim, no_iotags); |
3320 | return NULL; | |
3321 | } | |
3322 | ||
e2187d7f KG |
3323 | ioim = BFA_IOIM_FROM_TAG(fcpim, iotag->tag); |
3324 | ||
a36c61f9 KG |
3325 | ioim->dio = dio; |
3326 | ioim->itnim = itnim; | |
3327 | ioim->nsges = nsges; | |
3328 | ioim->nsgpgs = 0; | |
3329 | ||
3330 | bfa_stats(itnim, total_ios); | |
3331 | fcpim->ios_active++; | |
3332 | ||
3333 | list_add_tail(&ioim->qe, &itnim->io_q); | |
a36c61f9 KG |
3334 | |
3335 | return ioim; | |
3336 | } | |
3337 | ||
3338 | void | |
3339 | bfa_ioim_free(struct bfa_ioim_s *ioim) | |
3340 | { | |
e2187d7f KG |
3341 | struct bfa_fcpim_s *fcpim = ioim->fcpim; |
3342 | struct bfa_iotag_s *iotag; | |
a36c61f9 | 3343 | |
a36c61f9 KG |
3344 | if (ioim->nsgpgs > 0) |
3345 | bfa_sgpg_mfree(ioim->bfa, &ioim->sgpg_q, ioim->nsgpgs); | |
3346 | ||
3347 | bfa_stats(ioim->itnim, io_comps); | |
3348 | fcpim->ios_active--; | |
3349 | ||
15821f05 | 3350 | ioim->iotag &= BFA_IOIM_IOTAG_MASK; |
e2187d7f KG |
3351 | |
3352 | WARN_ON(!(ioim->iotag < | |
3353 | (fcpim->fcp->num_ioim_reqs + fcpim->fcp->num_fwtio_reqs))); | |
3354 | iotag = BFA_IOTAG_FROM_TAG(fcpim->fcp, ioim->iotag); | |
3355 | ||
3356 | if (ioim->iotag < fcpim->fcp->num_ioim_reqs) | |
3357 | list_add_tail(&iotag->qe, &fcpim->fcp->iotag_ioim_free_q); | |
3358 | else | |
3359 | list_add_tail(&iotag->qe, &fcpim->fcp->iotag_tio_free_q); | |
3360 | ||
a36c61f9 | 3361 | list_del(&ioim->qe); |
a36c61f9 KG |
3362 | } |
3363 | ||
3364 | void | |
3365 | bfa_ioim_start(struct bfa_ioim_s *ioim) | |
3366 | { | |
83763d59 KG |
3367 | struct scsi_cmnd *cmnd = (struct scsi_cmnd *)ioim->dio; |
3368 | struct bfa_lps_s *lps; | |
3369 | enum bfa_ioim_lm_status status; | |
3370 | struct scsi_lun scsilun; | |
3371 | ||
3372 | if (bfa_get_lun_mask_status(ioim->bfa) == BFA_LUNMASK_ENABLED) { | |
3373 | lps = BFA_IOIM_TO_LPS(ioim); | |
3374 | int_to_scsilun(cmnd->device->lun, &scsilun); | |
3375 | status = bfa_ioim_lm_check(ioim, lps, | |
3376 | ioim->itnim->rport, scsilun); | |
3377 | if (status == BFA_IOIM_LM_LUN_NOT_RDY) { | |
3378 | bfa_sm_send_event(ioim, BFA_IOIM_SM_LM_LUN_NOT_RDY); | |
3379 | bfa_stats(ioim->itnim, lm_lun_not_rdy); | |
3380 | return; | |
3381 | } | |
3382 | ||
3383 | if (status == BFA_IOIM_LM_LUN_NOT_SUP) { | |
3384 | bfa_sm_send_event(ioim, BFA_IOIM_SM_LM_LUN_NOT_SUP); | |
3385 | bfa_stats(ioim->itnim, lm_lun_not_sup); | |
3386 | return; | |
3387 | } | |
3388 | ||
3389 | if (status == BFA_IOIM_LM_RPL_DATA_CHANGED) { | |
3390 | bfa_sm_send_event(ioim, BFA_IOIM_SM_LM_RPL_DC); | |
3391 | bfa_stats(ioim->itnim, lm_rpl_data_changed); | |
3392 | return; | |
3393 | } | |
3394 | } | |
3395 | ||
a36c61f9 KG |
3396 | bfa_ioim_cb_profile_start(ioim->fcpim, ioim); |
3397 | ||
5fbe25c7 | 3398 | /* |
a36c61f9 KG |
3399 | * Obtain the queue over which this request has to be issued |
3400 | */ | |
3401 | ioim->reqq = bfa_fcpim_ioredirect_enabled(ioim->bfa) ? | |
f314878a | 3402 | BFA_FALSE : bfa_itnim_get_reqq(ioim); |
a36c61f9 KG |
3403 | |
3404 | bfa_sm_send_event(ioim, BFA_IOIM_SM_START); | |
3405 | } | |
3406 | ||
5fbe25c7 | 3407 | /* |
a36c61f9 KG |
3408 | * Driver I/O abort request. |
3409 | */ | |
3410 | bfa_status_t | |
3411 | bfa_ioim_abort(struct bfa_ioim_s *ioim) | |
3412 | { | |
3413 | ||
3414 | bfa_trc(ioim->bfa, ioim->iotag); | |
3415 | ||
3416 | if (!bfa_ioim_is_abortable(ioim)) | |
3417 | return BFA_STATUS_FAILED; | |
3418 | ||
3419 | bfa_stats(ioim->itnim, io_aborts); | |
3420 | bfa_sm_send_event(ioim, BFA_IOIM_SM_ABORT); | |
3421 | ||
3422 | return BFA_STATUS_OK; | |
3423 | } | |
3424 | ||
5fbe25c7 | 3425 | /* |
a36c61f9 KG |
3426 | * BFA TSKIM state machine functions |
3427 | */ | |
3428 | ||
5fbe25c7 | 3429 | /* |
da99dcc9 | 3430 | * Task management command beginning state. |
a36c61f9 KG |
3431 | */ |
3432 | static void | |
3433 | bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3434 | { | |
3435 | bfa_trc(tskim->bfa, event); | |
3436 | ||
3437 | switch (event) { | |
3438 | case BFA_TSKIM_SM_START: | |
3439 | bfa_sm_set_state(tskim, bfa_tskim_sm_active); | |
3440 | bfa_tskim_gather_ios(tskim); | |
3441 | ||
5fbe25c7 | 3442 | /* |
a36c61f9 KG |
3443 | * If device is offline, do not send TM on wire. Just cleanup |
3444 | * any pending IO requests and complete TM request. | |
3445 | */ | |
3446 | if (!bfa_itnim_is_online(tskim->itnim)) { | |
3447 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3448 | tskim->tsk_status = BFI_TSKIM_STS_OK; | |
3449 | bfa_tskim_cleanup_ios(tskim); | |
3450 | return; | |
3451 | } | |
3452 | ||
3453 | if (!bfa_tskim_send(tskim)) { | |
3454 | bfa_sm_set_state(tskim, bfa_tskim_sm_qfull); | |
3455 | bfa_stats(tskim->itnim, tm_qwait); | |
3456 | bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq, | |
3457 | &tskim->reqq_wait); | |
3458 | } | |
3459 | break; | |
3460 | ||
3461 | default: | |
3462 | bfa_sm_fault(tskim->bfa, event); | |
3463 | } | |
3464 | } | |
3465 | ||
5fbe25c7 | 3466 | /* |
da99dcc9 MZ |
3467 | * TM command is active, awaiting completion from firmware to |
3468 | * cleanup IO requests in TM scope. | |
a36c61f9 KG |
3469 | */ |
3470 | static void | |
3471 | bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3472 | { | |
3473 | bfa_trc(tskim->bfa, event); | |
3474 | ||
3475 | switch (event) { | |
3476 | case BFA_TSKIM_SM_DONE: | |
3477 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3478 | bfa_tskim_cleanup_ios(tskim); | |
3479 | break; | |
3480 | ||
3481 | case BFA_TSKIM_SM_CLEANUP: | |
3482 | bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); | |
3483 | if (!bfa_tskim_send_abort(tskim)) { | |
3484 | bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup_qfull); | |
3485 | bfa_stats(tskim->itnim, tm_qwait); | |
3486 | bfa_reqq_wait(tskim->bfa, tskim->itnim->reqq, | |
3487 | &tskim->reqq_wait); | |
3488 | } | |
3489 | break; | |
3490 | ||
3491 | case BFA_TSKIM_SM_HWFAIL: | |
3492 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3493 | bfa_tskim_iocdisable_ios(tskim); | |
3494 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3495 | break; | |
3496 | ||
3497 | default: | |
3498 | bfa_sm_fault(tskim->bfa, event); | |
3499 | } | |
3500 | } | |
3501 | ||
5fbe25c7 | 3502 | /* |
da99dcc9 MZ |
3503 | * An active TM is being cleaned up since ITN is offline. Awaiting cleanup |
3504 | * completion event from firmware. | |
a36c61f9 KG |
3505 | */ |
3506 | static void | |
3507 | bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3508 | { | |
3509 | bfa_trc(tskim->bfa, event); | |
3510 | ||
3511 | switch (event) { | |
3512 | case BFA_TSKIM_SM_DONE: | |
5fbe25c7 | 3513 | /* |
a36c61f9 KG |
3514 | * Ignore and wait for ABORT completion from firmware. |
3515 | */ | |
3516 | break; | |
3517 | ||
3518 | case BFA_TSKIM_SM_CLEANUP_DONE: | |
3519 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3520 | bfa_tskim_cleanup_ios(tskim); | |
3521 | break; | |
3522 | ||
3523 | case BFA_TSKIM_SM_HWFAIL: | |
3524 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3525 | bfa_tskim_iocdisable_ios(tskim); | |
3526 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3527 | break; | |
3528 | ||
3529 | default: | |
3530 | bfa_sm_fault(tskim->bfa, event); | |
3531 | } | |
3532 | } | |
3533 | ||
3534 | static void | |
3535 | bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3536 | { | |
3537 | bfa_trc(tskim->bfa, event); | |
3538 | ||
3539 | switch (event) { | |
3540 | case BFA_TSKIM_SM_IOS_DONE: | |
3541 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3542 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_done); | |
3543 | break; | |
3544 | ||
3545 | case BFA_TSKIM_SM_CLEANUP: | |
5fbe25c7 | 3546 | /* |
a36c61f9 KG |
3547 | * Ignore, TM command completed on wire. |
3548 | * Notify TM conmpletion on IO cleanup completion. | |
3549 | */ | |
3550 | break; | |
3551 | ||
3552 | case BFA_TSKIM_SM_HWFAIL: | |
3553 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3554 | bfa_tskim_iocdisable_ios(tskim); | |
3555 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3556 | break; | |
3557 | ||
3558 | default: | |
3559 | bfa_sm_fault(tskim->bfa, event); | |
3560 | } | |
3561 | } | |
3562 | ||
5fbe25c7 | 3563 | /* |
da99dcc9 | 3564 | * Task management command is waiting for room in request CQ |
a36c61f9 KG |
3565 | */ |
3566 | static void | |
3567 | bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3568 | { | |
3569 | bfa_trc(tskim->bfa, event); | |
3570 | ||
3571 | switch (event) { | |
3572 | case BFA_TSKIM_SM_QRESUME: | |
3573 | bfa_sm_set_state(tskim, bfa_tskim_sm_active); | |
3574 | bfa_tskim_send(tskim); | |
3575 | break; | |
3576 | ||
3577 | case BFA_TSKIM_SM_CLEANUP: | |
5fbe25c7 | 3578 | /* |
a36c61f9 KG |
3579 | * No need to send TM on wire since ITN is offline. |
3580 | */ | |
3581 | bfa_sm_set_state(tskim, bfa_tskim_sm_iocleanup); | |
3582 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3583 | bfa_tskim_cleanup_ios(tskim); | |
3584 | break; | |
3585 | ||
3586 | case BFA_TSKIM_SM_HWFAIL: | |
3587 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3588 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3589 | bfa_tskim_iocdisable_ios(tskim); | |
3590 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3591 | break; | |
3592 | ||
3593 | default: | |
3594 | bfa_sm_fault(tskim->bfa, event); | |
3595 | } | |
3596 | } | |
3597 | ||
5fbe25c7 | 3598 | /* |
da99dcc9 MZ |
3599 | * Task management command is active, awaiting for room in request CQ |
3600 | * to send clean up request. | |
a36c61f9 KG |
3601 | */ |
3602 | static void | |
3603 | bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim, | |
3604 | enum bfa_tskim_event event) | |
3605 | { | |
3606 | bfa_trc(tskim->bfa, event); | |
3607 | ||
3608 | switch (event) { | |
3609 | case BFA_TSKIM_SM_DONE: | |
3610 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
5fbe25c7 | 3611 | /* |
a36c61f9 KG |
3612 | * Fall through !!! |
3613 | */ | |
a36c61f9 KG |
3614 | case BFA_TSKIM_SM_QRESUME: |
3615 | bfa_sm_set_state(tskim, bfa_tskim_sm_cleanup); | |
3616 | bfa_tskim_send_abort(tskim); | |
3617 | break; | |
3618 | ||
3619 | case BFA_TSKIM_SM_HWFAIL: | |
3620 | bfa_sm_set_state(tskim, bfa_tskim_sm_hcb); | |
3621 | bfa_reqq_wcancel(&tskim->reqq_wait); | |
3622 | bfa_tskim_iocdisable_ios(tskim); | |
3623 | bfa_tskim_qcomp(tskim, __bfa_cb_tskim_failed); | |
3624 | break; | |
3625 | ||
3626 | default: | |
3627 | bfa_sm_fault(tskim->bfa, event); | |
3628 | } | |
3629 | } | |
3630 | ||
5fbe25c7 | 3631 | /* |
da99dcc9 | 3632 | * BFA callback is pending |
a36c61f9 KG |
3633 | */ |
3634 | static void | |
3635 | bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, enum bfa_tskim_event event) | |
3636 | { | |
3637 | bfa_trc(tskim->bfa, event); | |
3638 | ||
3639 | switch (event) { | |
3640 | case BFA_TSKIM_SM_HCB: | |
3641 | bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); | |
3642 | bfa_tskim_free(tskim); | |
3643 | break; | |
3644 | ||
3645 | case BFA_TSKIM_SM_CLEANUP: | |
3646 | bfa_tskim_notify_comp(tskim); | |
3647 | break; | |
3648 | ||
3649 | case BFA_TSKIM_SM_HWFAIL: | |
3650 | break; | |
3651 | ||
3652 | default: | |
3653 | bfa_sm_fault(tskim->bfa, event); | |
3654 | } | |
3655 | } | |
3656 | ||
a36c61f9 KG |
3657 | static void |
3658 | __bfa_cb_tskim_done(void *cbarg, bfa_boolean_t complete) | |
3659 | { | |
3660 | struct bfa_tskim_s *tskim = cbarg; | |
3661 | ||
3662 | if (!complete) { | |
3663 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); | |
3664 | return; | |
3665 | } | |
3666 | ||
3667 | bfa_stats(tskim->itnim, tm_success); | |
3668 | bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, tskim->tsk_status); | |
3669 | } | |
3670 | ||
3671 | static void | |
3672 | __bfa_cb_tskim_failed(void *cbarg, bfa_boolean_t complete) | |
3673 | { | |
3674 | struct bfa_tskim_s *tskim = cbarg; | |
3675 | ||
3676 | if (!complete) { | |
3677 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_HCB); | |
3678 | return; | |
3679 | } | |
3680 | ||
3681 | bfa_stats(tskim->itnim, tm_failures); | |
3682 | bfa_cb_tskim_done(tskim->bfa->bfad, tskim->dtsk, | |
3683 | BFI_TSKIM_STS_FAILED); | |
3684 | } | |
3685 | ||
da99dcc9 | 3686 | static bfa_boolean_t |
f314878a | 3687 | bfa_tskim_match_scope(struct bfa_tskim_s *tskim, struct scsi_lun lun) |
a36c61f9 KG |
3688 | { |
3689 | switch (tskim->tm_cmnd) { | |
3690 | case FCP_TM_TARGET_RESET: | |
3691 | return BFA_TRUE; | |
3692 | ||
3693 | case FCP_TM_ABORT_TASK_SET: | |
3694 | case FCP_TM_CLEAR_TASK_SET: | |
3695 | case FCP_TM_LUN_RESET: | |
3696 | case FCP_TM_CLEAR_ACA: | |
da99dcc9 | 3697 | return !memcmp(&tskim->lun, &lun, sizeof(lun)); |
a36c61f9 KG |
3698 | |
3699 | default: | |
d4b671c5 | 3700 | WARN_ON(1); |
a36c61f9 KG |
3701 | } |
3702 | ||
3703 | return BFA_FALSE; | |
3704 | } | |
3705 | ||
5fbe25c7 | 3706 | /* |
da99dcc9 | 3707 | * Gather affected IO requests and task management commands. |
a36c61f9 KG |
3708 | */ |
3709 | static void | |
3710 | bfa_tskim_gather_ios(struct bfa_tskim_s *tskim) | |
3711 | { | |
3712 | struct bfa_itnim_s *itnim = tskim->itnim; | |
3713 | struct bfa_ioim_s *ioim; | |
f314878a MZ |
3714 | struct list_head *qe, *qen; |
3715 | struct scsi_cmnd *cmnd; | |
3716 | struct scsi_lun scsilun; | |
a36c61f9 KG |
3717 | |
3718 | INIT_LIST_HEAD(&tskim->io_q); | |
3719 | ||
5fbe25c7 | 3720 | /* |
a36c61f9 KG |
3721 | * Gather any active IO requests first. |
3722 | */ | |
3723 | list_for_each_safe(qe, qen, &itnim->io_q) { | |
3724 | ioim = (struct bfa_ioim_s *) qe; | |
f314878a MZ |
3725 | cmnd = (struct scsi_cmnd *) ioim->dio; |
3726 | int_to_scsilun(cmnd->device->lun, &scsilun); | |
3727 | if (bfa_tskim_match_scope(tskim, scsilun)) { | |
a36c61f9 KG |
3728 | list_del(&ioim->qe); |
3729 | list_add_tail(&ioim->qe, &tskim->io_q); | |
3730 | } | |
3731 | } | |
3732 | ||
5fbe25c7 | 3733 | /* |
a36c61f9 KG |
3734 | * Failback any pending IO requests immediately. |
3735 | */ | |
3736 | list_for_each_safe(qe, qen, &itnim->pending_q) { | |
3737 | ioim = (struct bfa_ioim_s *) qe; | |
f314878a MZ |
3738 | cmnd = (struct scsi_cmnd *) ioim->dio; |
3739 | int_to_scsilun(cmnd->device->lun, &scsilun); | |
3740 | if (bfa_tskim_match_scope(tskim, scsilun)) { | |
a36c61f9 KG |
3741 | list_del(&ioim->qe); |
3742 | list_add_tail(&ioim->qe, &ioim->fcpim->ioim_comp_q); | |
3743 | bfa_ioim_tov(ioim); | |
3744 | } | |
3745 | } | |
3746 | } | |
3747 | ||
5fbe25c7 | 3748 | /* |
da99dcc9 | 3749 | * IO cleanup completion |
a36c61f9 KG |
3750 | */ |
3751 | static void | |
3752 | bfa_tskim_cleanp_comp(void *tskim_cbarg) | |
3753 | { | |
3754 | struct bfa_tskim_s *tskim = tskim_cbarg; | |
3755 | ||
3756 | bfa_stats(tskim->itnim, tm_io_comps); | |
3757 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_IOS_DONE); | |
3758 | } | |
3759 | ||
5fbe25c7 | 3760 | /* |
da99dcc9 | 3761 | * Gather affected IO requests and task management commands. |
a36c61f9 KG |
3762 | */ |
3763 | static void | |
3764 | bfa_tskim_cleanup_ios(struct bfa_tskim_s *tskim) | |
3765 | { | |
3766 | struct bfa_ioim_s *ioim; | |
3767 | struct list_head *qe, *qen; | |
3768 | ||
3769 | bfa_wc_init(&tskim->wc, bfa_tskim_cleanp_comp, tskim); | |
3770 | ||
3771 | list_for_each_safe(qe, qen, &tskim->io_q) { | |
3772 | ioim = (struct bfa_ioim_s *) qe; | |
3773 | bfa_wc_up(&tskim->wc); | |
3774 | bfa_ioim_cleanup_tm(ioim, tskim); | |
3775 | } | |
3776 | ||
3777 | bfa_wc_wait(&tskim->wc); | |
3778 | } | |
3779 | ||
5fbe25c7 | 3780 | /* |
da99dcc9 | 3781 | * Send task management request to firmware. |
a36c61f9 KG |
3782 | */ |
3783 | static bfa_boolean_t | |
3784 | bfa_tskim_send(struct bfa_tskim_s *tskim) | |
3785 | { | |
3786 | struct bfa_itnim_s *itnim = tskim->itnim; | |
3787 | struct bfi_tskim_req_s *m; | |
3788 | ||
5fbe25c7 | 3789 | /* |
a36c61f9 KG |
3790 | * check for room in queue to send request now |
3791 | */ | |
3792 | m = bfa_reqq_next(tskim->bfa, itnim->reqq); | |
3793 | if (!m) | |
3794 | return BFA_FALSE; | |
3795 | ||
5fbe25c7 | 3796 | /* |
a36c61f9 KG |
3797 | * build i/o request message next |
3798 | */ | |
3799 | bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_TM_REQ, | |
3fd45980 | 3800 | bfa_fn_lpu(tskim->bfa)); |
a36c61f9 | 3801 | |
ba816ea8 | 3802 | m->tsk_tag = cpu_to_be16(tskim->tsk_tag); |
a36c61f9 KG |
3803 | m->itn_fhdl = tskim->itnim->rport->fw_handle; |
3804 | m->t_secs = tskim->tsecs; | |
3805 | m->lun = tskim->lun; | |
3806 | m->tm_flags = tskim->tm_cmnd; | |
3807 | ||
5fbe25c7 | 3808 | /* |
a36c61f9 KG |
3809 | * queue I/O message to firmware |
3810 | */ | |
3fd45980 | 3811 | bfa_reqq_produce(tskim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
3812 | return BFA_TRUE; |
3813 | } | |
3814 | ||
5fbe25c7 | 3815 | /* |
da99dcc9 | 3816 | * Send abort request to cleanup an active TM to firmware. |
a36c61f9 KG |
3817 | */ |
3818 | static bfa_boolean_t | |
3819 | bfa_tskim_send_abort(struct bfa_tskim_s *tskim) | |
3820 | { | |
3821 | struct bfa_itnim_s *itnim = tskim->itnim; | |
3822 | struct bfi_tskim_abortreq_s *m; | |
3823 | ||
5fbe25c7 | 3824 | /* |
a36c61f9 KG |
3825 | * check for room in queue to send request now |
3826 | */ | |
3827 | m = bfa_reqq_next(tskim->bfa, itnim->reqq); | |
3828 | if (!m) | |
3829 | return BFA_FALSE; | |
3830 | ||
5fbe25c7 | 3831 | /* |
a36c61f9 KG |
3832 | * build i/o request message next |
3833 | */ | |
3834 | bfi_h2i_set(m->mh, BFI_MC_TSKIM, BFI_TSKIM_H2I_ABORT_REQ, | |
3fd45980 | 3835 | bfa_fn_lpu(tskim->bfa)); |
a36c61f9 | 3836 | |
ba816ea8 | 3837 | m->tsk_tag = cpu_to_be16(tskim->tsk_tag); |
a36c61f9 | 3838 | |
5fbe25c7 | 3839 | /* |
a36c61f9 KG |
3840 | * queue I/O message to firmware |
3841 | */ | |
3fd45980 | 3842 | bfa_reqq_produce(tskim->bfa, itnim->reqq, m->mh); |
a36c61f9 KG |
3843 | return BFA_TRUE; |
3844 | } | |
3845 | ||
5fbe25c7 | 3846 | /* |
da99dcc9 | 3847 | * Call to resume task management cmnd waiting for room in request queue. |
a36c61f9 KG |
3848 | */ |
3849 | static void | |
3850 | bfa_tskim_qresume(void *cbarg) | |
3851 | { | |
3852 | struct bfa_tskim_s *tskim = cbarg; | |
3853 | ||
3854 | bfa_stats(tskim->itnim, tm_qresumes); | |
3855 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_QRESUME); | |
3856 | } | |
3857 | ||
5fbe25c7 | 3858 | /* |
a36c61f9 KG |
3859 | * Cleanup IOs associated with a task mangement command on IOC failures. |
3860 | */ | |
3861 | static void | |
3862 | bfa_tskim_iocdisable_ios(struct bfa_tskim_s *tskim) | |
3863 | { | |
3864 | struct bfa_ioim_s *ioim; | |
3865 | struct list_head *qe, *qen; | |
3866 | ||
3867 | list_for_each_safe(qe, qen, &tskim->io_q) { | |
3868 | ioim = (struct bfa_ioim_s *) qe; | |
3869 | bfa_ioim_iocdisable(ioim); | |
3870 | } | |
3871 | } | |
3872 | ||
5fbe25c7 | 3873 | /* |
a36c61f9 KG |
3874 | * Notification on completions from related ioim. |
3875 | */ | |
3876 | void | |
3877 | bfa_tskim_iodone(struct bfa_tskim_s *tskim) | |
3878 | { | |
3879 | bfa_wc_down(&tskim->wc); | |
3880 | } | |
3881 | ||
5fbe25c7 | 3882 | /* |
a36c61f9 KG |
3883 | * Handle IOC h/w failure notification from itnim. |
3884 | */ | |
3885 | void | |
3886 | bfa_tskim_iocdisable(struct bfa_tskim_s *tskim) | |
3887 | { | |
3888 | tskim->notify = BFA_FALSE; | |
3889 | bfa_stats(tskim->itnim, tm_iocdowns); | |
3890 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_HWFAIL); | |
3891 | } | |
3892 | ||
5fbe25c7 | 3893 | /* |
a36c61f9 KG |
3894 | * Cleanup TM command and associated IOs as part of ITNIM offline. |
3895 | */ | |
3896 | void | |
3897 | bfa_tskim_cleanup(struct bfa_tskim_s *tskim) | |
3898 | { | |
3899 | tskim->notify = BFA_TRUE; | |
3900 | bfa_stats(tskim->itnim, tm_cleanups); | |
3901 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP); | |
3902 | } | |
3903 | ||
5fbe25c7 | 3904 | /* |
da99dcc9 | 3905 | * Memory allocation and initialization. |
a36c61f9 KG |
3906 | */ |
3907 | void | |
4507025d | 3908 | bfa_tskim_attach(struct bfa_fcpim_s *fcpim) |
a36c61f9 KG |
3909 | { |
3910 | struct bfa_tskim_s *tskim; | |
4507025d | 3911 | struct bfa_fcp_mod_s *fcp = fcpim->fcp; |
a36c61f9 KG |
3912 | u16 i; |
3913 | ||
3914 | INIT_LIST_HEAD(&fcpim->tskim_free_q); | |
3fd45980 | 3915 | INIT_LIST_HEAD(&fcpim->tskim_unused_q); |
a36c61f9 | 3916 | |
4507025d | 3917 | tskim = (struct bfa_tskim_s *) bfa_mem_kva_curp(fcp); |
a36c61f9 KG |
3918 | fcpim->tskim_arr = tskim; |
3919 | ||
3920 | for (i = 0; i < fcpim->num_tskim_reqs; i++, tskim++) { | |
3921 | /* | |
3922 | * initialize TSKIM | |
3923 | */ | |
6a18b167 | 3924 | memset(tskim, 0, sizeof(struct bfa_tskim_s)); |
a36c61f9 KG |
3925 | tskim->tsk_tag = i; |
3926 | tskim->bfa = fcpim->bfa; | |
3927 | tskim->fcpim = fcpim; | |
3928 | tskim->notify = BFA_FALSE; | |
3929 | bfa_reqq_winit(&tskim->reqq_wait, bfa_tskim_qresume, | |
3930 | tskim); | |
3931 | bfa_sm_set_state(tskim, bfa_tskim_sm_uninit); | |
3932 | ||
3933 | list_add_tail(&tskim->qe, &fcpim->tskim_free_q); | |
3934 | } | |
3935 | ||
4507025d | 3936 | bfa_mem_kva_curp(fcp) = (u8 *) tskim; |
a36c61f9 KG |
3937 | } |
3938 | ||
a36c61f9 KG |
3939 | void |
3940 | bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
3941 | { | |
e2187d7f | 3942 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
3943 | struct bfi_tskim_rsp_s *rsp = (struct bfi_tskim_rsp_s *) m; |
3944 | struct bfa_tskim_s *tskim; | |
ba816ea8 | 3945 | u16 tsk_tag = be16_to_cpu(rsp->tsk_tag); |
a36c61f9 KG |
3946 | |
3947 | tskim = BFA_TSKIM_FROM_TAG(fcpim, tsk_tag); | |
d4b671c5 | 3948 | WARN_ON(tskim->tsk_tag != tsk_tag); |
a36c61f9 KG |
3949 | |
3950 | tskim->tsk_status = rsp->tsk_status; | |
3951 | ||
5fbe25c7 | 3952 | /* |
a36c61f9 KG |
3953 | * Firmware sends BFI_TSKIM_STS_ABORTED status for abort |
3954 | * requests. All other statuses are for normal completions. | |
3955 | */ | |
3956 | if (rsp->tsk_status == BFI_TSKIM_STS_ABORTED) { | |
3957 | bfa_stats(tskim->itnim, tm_cleanup_comps); | |
3958 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_CLEANUP_DONE); | |
3959 | } else { | |
3960 | bfa_stats(tskim->itnim, tm_fw_rsps); | |
3961 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_DONE); | |
3962 | } | |
3963 | } | |
3964 | ||
3965 | ||
a36c61f9 KG |
3966 | struct bfa_tskim_s * |
3967 | bfa_tskim_alloc(struct bfa_s *bfa, struct bfad_tskim_s *dtsk) | |
3968 | { | |
e2187d7f | 3969 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); |
a36c61f9 KG |
3970 | struct bfa_tskim_s *tskim; |
3971 | ||
3972 | bfa_q_deq(&fcpim->tskim_free_q, &tskim); | |
3973 | ||
3974 | if (tskim) | |
3975 | tskim->dtsk = dtsk; | |
3976 | ||
3977 | return tskim; | |
3978 | } | |
3979 | ||
3980 | void | |
3981 | bfa_tskim_free(struct bfa_tskim_s *tskim) | |
3982 | { | |
d4b671c5 | 3983 | WARN_ON(!bfa_q_is_on_q_func(&tskim->itnim->tsk_q, &tskim->qe)); |
a36c61f9 KG |
3984 | list_del(&tskim->qe); |
3985 | list_add_tail(&tskim->qe, &tskim->fcpim->tskim_free_q); | |
3986 | } | |
3987 | ||
5fbe25c7 | 3988 | /* |
da99dcc9 | 3989 | * Start a task management command. |
a36c61f9 KG |
3990 | * |
3991 | * @param[in] tskim BFA task management command instance | |
3992 | * @param[in] itnim i-t nexus for the task management command | |
3993 | * @param[in] lun lun, if applicable | |
3994 | * @param[in] tm_cmnd Task management command code. | |
3995 | * @param[in] t_secs Timeout in seconds | |
3996 | * | |
3997 | * @return None. | |
3998 | */ | |
3999 | void | |
f314878a MZ |
4000 | bfa_tskim_start(struct bfa_tskim_s *tskim, struct bfa_itnim_s *itnim, |
4001 | struct scsi_lun lun, | |
a36c61f9 KG |
4002 | enum fcp_tm_cmnd tm_cmnd, u8 tsecs) |
4003 | { | |
4004 | tskim->itnim = itnim; | |
4005 | tskim->lun = lun; | |
4006 | tskim->tm_cmnd = tm_cmnd; | |
4007 | tskim->tsecs = tsecs; | |
4008 | tskim->notify = BFA_FALSE; | |
4009 | bfa_stats(itnim, tm_cmnds); | |
4010 | ||
4011 | list_add_tail(&tskim->qe, &itnim->tsk_q); | |
4012 | bfa_sm_send_event(tskim, BFA_TSKIM_SM_START); | |
4013 | } | |
e2187d7f | 4014 | |
3fd45980 KG |
4015 | void |
4016 | bfa_tskim_res_recfg(struct bfa_s *bfa, u16 num_tskim_fw) | |
4017 | { | |
4018 | struct bfa_fcpim_s *fcpim = BFA_FCPIM(bfa); | |
4019 | struct list_head *qe; | |
4020 | int i; | |
4021 | ||
4022 | for (i = 0; i < (fcpim->num_tskim_reqs - num_tskim_fw); i++) { | |
4023 | bfa_q_deq_tail(&fcpim->tskim_free_q, &qe); | |
4024 | list_add_tail(qe, &fcpim->tskim_unused_q); | |
4025 | } | |
4026 | } | |
4027 | ||
e2187d7f KG |
4028 | /* BFA FCP module - parent module for fcpim */ |
4029 | ||
4030 | BFA_MODULE(fcp); | |
4031 | ||
4032 | static void | |
4507025d KG |
4033 | bfa_fcp_meminfo(struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *minfo, |
4034 | struct bfa_s *bfa) | |
e2187d7f | 4035 | { |
4507025d KG |
4036 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); |
4037 | struct bfa_mem_kva_s *fcp_kva = BFA_MEM_FCP_KVA(bfa); | |
4038 | struct bfa_mem_dma_s *seg_ptr; | |
4039 | u16 nsegs, idx, per_seg_ios, num_io_req; | |
4040 | u32 km_len = 0; | |
e2187d7f KG |
4041 | |
4042 | /* | |
4043 | * ZERO for num_ioim_reqs and num_fwtio_reqs is allowed config value. | |
4044 | * So if the values are non zero, adjust them appropriately. | |
4045 | */ | |
4046 | if (cfg->fwcfg.num_ioim_reqs && | |
4047 | cfg->fwcfg.num_ioim_reqs < BFA_IOIM_MIN) | |
4048 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MIN; | |
4049 | else if (cfg->fwcfg.num_ioim_reqs > BFA_IOIM_MAX) | |
4050 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX; | |
4051 | ||
4052 | if (cfg->fwcfg.num_fwtio_reqs > BFA_FWTIO_MAX) | |
4053 | cfg->fwcfg.num_fwtio_reqs = BFA_FWTIO_MAX; | |
4054 | ||
4055 | num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); | |
4056 | if (num_io_req > BFA_IO_MAX) { | |
4057 | if (cfg->fwcfg.num_ioim_reqs && cfg->fwcfg.num_fwtio_reqs) { | |
4058 | cfg->fwcfg.num_ioim_reqs = BFA_IO_MAX/2; | |
4059 | cfg->fwcfg.num_fwtio_reqs = BFA_IO_MAX/2; | |
4060 | } else if (cfg->fwcfg.num_fwtio_reqs) | |
4061 | cfg->fwcfg.num_fwtio_reqs = BFA_FWTIO_MAX; | |
4062 | else | |
4063 | cfg->fwcfg.num_ioim_reqs = BFA_IOIM_MAX; | |
4064 | } | |
4065 | ||
4507025d | 4066 | bfa_fcpim_meminfo(cfg, &km_len); |
e2187d7f KG |
4067 | |
4068 | num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); | |
4507025d KG |
4069 | km_len += num_io_req * sizeof(struct bfa_iotag_s); |
4070 | km_len += cfg->fwcfg.num_rports * sizeof(struct bfa_itn_s); | |
4071 | ||
4072 | /* dma memory */ | |
4073 | nsegs = BFI_MEM_DMA_NSEGS(num_io_req, BFI_IOIM_SNSLEN); | |
4074 | per_seg_ios = BFI_MEM_NREQS_SEG(BFI_IOIM_SNSLEN); | |
4075 | ||
4076 | bfa_mem_dma_seg_iter(fcp, seg_ptr, nsegs, idx) { | |
4077 | if (num_io_req >= per_seg_ios) { | |
4078 | num_io_req -= per_seg_ios; | |
4079 | bfa_mem_dma_setup(minfo, seg_ptr, | |
4080 | per_seg_ios * BFI_IOIM_SNSLEN); | |
4081 | } else | |
4082 | bfa_mem_dma_setup(minfo, seg_ptr, | |
4083 | num_io_req * BFI_IOIM_SNSLEN); | |
4084 | } | |
4085 | ||
4086 | /* kva memory */ | |
4087 | bfa_mem_kva_setup(minfo, fcp_kva, km_len); | |
e2187d7f KG |
4088 | } |
4089 | ||
4090 | static void | |
4091 | bfa_fcp_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, | |
4507025d | 4092 | struct bfa_pcidev_s *pcidev) |
e2187d7f KG |
4093 | { |
4094 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
4507025d KG |
4095 | struct bfa_mem_dma_s *seg_ptr; |
4096 | u16 idx, nsegs, num_io_req; | |
e2187d7f KG |
4097 | |
4098 | fcp->num_ioim_reqs = cfg->fwcfg.num_ioim_reqs; | |
4099 | fcp->num_fwtio_reqs = cfg->fwcfg.num_fwtio_reqs; | |
4507025d | 4100 | fcp->num_itns = cfg->fwcfg.num_rports; |
e2187d7f KG |
4101 | fcp->bfa = bfa; |
4102 | ||
4507025d KG |
4103 | /* |
4104 | * Setup the pool of snsbase addr's, that is passed to fw as | |
4105 | * part of bfi_iocfc_cfg_s. | |
4106 | */ | |
4107 | num_io_req = (cfg->fwcfg.num_ioim_reqs + cfg->fwcfg.num_fwtio_reqs); | |
4108 | nsegs = BFI_MEM_DMA_NSEGS(num_io_req, BFI_IOIM_SNSLEN); | |
4109 | ||
4110 | bfa_mem_dma_seg_iter(fcp, seg_ptr, nsegs, idx) { | |
4111 | ||
4112 | if (!bfa_mem_dma_virt(seg_ptr)) | |
4113 | break; | |
4114 | ||
4115 | fcp->snsbase[idx].pa = bfa_mem_dma_phys(seg_ptr); | |
4116 | fcp->snsbase[idx].kva = bfa_mem_dma_virt(seg_ptr); | |
4117 | bfa_iocfc_set_snsbase(bfa, idx, fcp->snsbase[idx].pa); | |
4118 | } | |
e2187d7f | 4119 | |
4507025d | 4120 | bfa_fcpim_attach(fcp, bfad, cfg, pcidev); |
e2187d7f | 4121 | |
4507025d | 4122 | bfa_iotag_attach(fcp); |
e2187d7f | 4123 | |
4507025d KG |
4124 | fcp->itn_arr = (struct bfa_itn_s *) bfa_mem_kva_curp(fcp); |
4125 | bfa_mem_kva_curp(fcp) = (u8 *)fcp->itn_arr + | |
e2187d7f KG |
4126 | (fcp->num_itns * sizeof(struct bfa_itn_s)); |
4127 | memset(fcp->itn_arr, 0, | |
4128 | (fcp->num_itns * sizeof(struct bfa_itn_s))); | |
e2187d7f KG |
4129 | } |
4130 | ||
4131 | static void | |
4132 | bfa_fcp_detach(struct bfa_s *bfa) | |
4133 | { | |
4134 | } | |
4135 | ||
4136 | static void | |
4137 | bfa_fcp_start(struct bfa_s *bfa) | |
4138 | { | |
83763d59 KG |
4139 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); |
4140 | ||
4141 | /* | |
4142 | * bfa_init() with flash read is complete. now invalidate the stale | |
4143 | * content of lun mask like unit attention, rp tag and lp tag. | |
4144 | */ | |
4145 | bfa_ioim_lm_init(fcp->bfa); | |
e2187d7f KG |
4146 | } |
4147 | ||
4148 | static void | |
4149 | bfa_fcp_stop(struct bfa_s *bfa) | |
4150 | { | |
4151 | } | |
4152 | ||
4153 | static void | |
4154 | bfa_fcp_iocdisable(struct bfa_s *bfa) | |
4155 | { | |
4156 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
4157 | ||
3fd45980 KG |
4158 | /* Enqueue unused ioim resources to free_q */ |
4159 | list_splice_tail_init(&fcp->iotag_unused_q, &fcp->iotag_ioim_free_q); | |
4160 | ||
e2187d7f KG |
4161 | bfa_fcpim_iocdisable(fcp); |
4162 | } | |
4163 | ||
3fd45980 KG |
4164 | void |
4165 | bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw) | |
4166 | { | |
4167 | struct bfa_fcp_mod_s *mod = BFA_FCP_MOD(bfa); | |
4168 | struct list_head *qe; | |
4169 | int i; | |
4170 | ||
4171 | for (i = 0; i < (mod->num_ioim_reqs - num_ioim_fw); i++) { | |
4172 | bfa_q_deq_tail(&mod->iotag_ioim_free_q, &qe); | |
4173 | list_add_tail(qe, &mod->iotag_unused_q); | |
4174 | } | |
4175 | } | |
4176 | ||
e2187d7f KG |
4177 | void |
4178 | bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport, | |
4179 | void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m)) | |
4180 | { | |
4181 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
4182 | struct bfa_itn_s *itn; | |
4183 | ||
4184 | itn = BFA_ITN_FROM_TAG(fcp, rport->rport_tag); | |
4185 | itn->isr = isr; | |
4186 | } | |
4187 | ||
4188 | /* | |
4189 | * Itn interrupt processing. | |
4190 | */ | |
4191 | void | |
4192 | bfa_itn_isr(struct bfa_s *bfa, struct bfi_msg_s *m) | |
4193 | { | |
4194 | struct bfa_fcp_mod_s *fcp = BFA_FCP_MOD(bfa); | |
4195 | union bfi_itn_i2h_msg_u msg; | |
4196 | struct bfa_itn_s *itn; | |
4197 | ||
4198 | msg.msg = m; | |
4199 | itn = BFA_ITN_FROM_TAG(fcp, msg.create_rsp->bfa_handle); | |
4200 | ||
4201 | if (itn->isr) | |
4202 | itn->isr(bfa, m); | |
4203 | else | |
4204 | WARN_ON(1); | |
4205 | } | |
4206 | ||
4207 | void | |
4507025d | 4208 | bfa_iotag_attach(struct bfa_fcp_mod_s *fcp) |
e2187d7f KG |
4209 | { |
4210 | struct bfa_iotag_s *iotag; | |
4211 | u16 num_io_req, i; | |
4212 | ||
4507025d | 4213 | iotag = (struct bfa_iotag_s *) bfa_mem_kva_curp(fcp); |
e2187d7f KG |
4214 | fcp->iotag_arr = iotag; |
4215 | ||
4216 | INIT_LIST_HEAD(&fcp->iotag_ioim_free_q); | |
4217 | INIT_LIST_HEAD(&fcp->iotag_tio_free_q); | |
3fd45980 | 4218 | INIT_LIST_HEAD(&fcp->iotag_unused_q); |
e2187d7f KG |
4219 | |
4220 | num_io_req = fcp->num_ioim_reqs + fcp->num_fwtio_reqs; | |
4221 | for (i = 0; i < num_io_req; i++, iotag++) { | |
4222 | memset(iotag, 0, sizeof(struct bfa_iotag_s)); | |
4223 | iotag->tag = i; | |
4224 | if (i < fcp->num_ioim_reqs) | |
4225 | list_add_tail(&iotag->qe, &fcp->iotag_ioim_free_q); | |
4226 | else | |
4227 | list_add_tail(&iotag->qe, &fcp->iotag_tio_free_q); | |
4228 | } | |
4229 | ||
4507025d | 4230 | bfa_mem_kva_curp(fcp) = (u8 *) iotag; |
e2187d7f | 4231 | } |