1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. 4 * Copyright (c) 2014- QLogic Corporation. 5 * All rights reserved 6 * www.qlogic.com 7 * 8 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter. 9 */ 10 11 #ifndef __BFA_FCPIM_H__ 12 #define __BFA_FCPIM_H__ 13 14 #include "bfa.h" 15 #include "bfa_svc.h" 16 #include "bfi_ms.h" 17 #include "bfa_defs_svc.h" 18 #include "bfa_cs.h" 19 20 /* FCP module related definitions */ 21 #define BFA_IO_MAX BFI_IO_MAX 22 #define BFA_FWTIO_MAX 2000 23 24 struct bfa_fcp_mod_s; 25 struct bfa_iotag_s { 26 struct list_head qe; /* queue element */ 27 u16 tag; /* FW IO tag */ 28 }; 29 30 struct bfa_itn_s { 31 bfa_isr_func_t isr; 32 }; 33 34 void bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport, 35 void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m)); 36 void bfa_itn_isr(struct bfa_s *bfa, struct bfi_msg_s *m); 37 void bfa_iotag_attach(struct bfa_fcp_mod_s *fcp); 38 void bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw, u16 max_ioim_fw); 39 40 #define BFA_FCP_MOD(_hal) (&(_hal)->modules.fcp_mod) 41 #define BFA_MEM_FCP_KVA(__bfa) (&(BFA_FCP_MOD(__bfa)->kva_seg)) 42 #define BFA_IOTAG_FROM_TAG(_fcp, _tag) \ 43 (&(_fcp)->iotag_arr[(_tag & BFA_IOIM_IOTAG_MASK)]) 44 #define BFA_ITN_FROM_TAG(_fcp, _tag) \ 45 ((_fcp)->itn_arr + ((_tag) & ((_fcp)->num_itns - 1))) 46 #define BFA_SNSINFO_FROM_TAG(_fcp, _tag) \ 47 bfa_mem_get_dmabuf_kva(_fcp, (_tag & BFA_IOIM_IOTAG_MASK), \ 48 BFI_IOIM_SNSLEN) 49 50 51 #define BFA_ITNIM_MIN 32 52 #define BFA_ITNIM_MAX 1024 53 54 #define BFA_IOIM_MIN 8 55 #define BFA_IOIM_MAX 2000 56 57 #define BFA_TSKIM_MIN 4 58 #define BFA_TSKIM_MAX 512 59 #define BFA_FCPIM_PATHTOV_DEF (30 * 1000) /* in millisecs */ 60 #define BFA_FCPIM_PATHTOV_MAX (90 * 1000) /* in millisecs */ 61 62 63 #define bfa_itnim_ioprofile_update(__itnim, __index) \ 64 (__itnim->ioprofile.iocomps[__index]++) 65 66 #define BFA_IOIM_RETRY_TAG_OFFSET 11 67 #define BFA_IOIM_IOTAG_MASK 0x07ff /* 2K IOs */ 68 #define BFA_IOIM_RETRY_MAX 7 69 70 /* Buckets are are 512 bytes to 2MB */ 71 static inline u32 bfa_ioim_get_index(u32 n)72 bfa_ioim_get_index(u32 n) { 73 int pos = 0; 74 if (n >= (1UL)<<22) 75 return BFA_IOBUCKET_MAX - 1; 76 n >>= 8; 77 if (n >= (1UL)<<16) { 78 n >>= 16; 79 pos += 16; 80 } 81 if (n >= 1 << 8) { 82 n >>= 8; 83 pos += 8; 84 } 85 if (n >= 1 << 4) { 86 n >>= 4; 87 pos += 4; 88 } 89 if (n >= 1 << 2) { 90 n >>= 2; 91 pos += 2; 92 } 93 if (n >= 1 << 1) 94 pos += 1; 95 96 return (n == 0) ? (0) : pos; 97 } 98 99 /* 100 * forward declarations 101 */ 102 struct bfa_ioim_s; 103 struct bfa_tskim_s; 104 struct bfad_ioim_s; 105 struct bfad_tskim_s; 106 107 typedef void (*bfa_fcpim_profile_t) (struct bfa_ioim_s *ioim); 108 109 struct bfa_fcpim_s { 110 struct bfa_s *bfa; 111 struct bfa_fcp_mod_s *fcp; 112 struct bfa_itnim_s *itnim_arr; 113 struct bfa_ioim_s *ioim_arr; 114 struct bfa_ioim_sp_s *ioim_sp_arr; 115 struct bfa_tskim_s *tskim_arr; 116 int num_itnims; 117 int num_tskim_reqs; 118 u32 path_tov; 119 u16 q_depth; 120 u8 reqq; /* Request queue to be used */ 121 struct list_head itnim_q; /* queue of active itnim */ 122 struct list_head ioim_resfree_q; /* IOs waiting for f/w */ 123 struct list_head ioim_comp_q; /* IO global comp Q */ 124 struct list_head tskim_free_q; 125 struct list_head tskim_unused_q; /* Unused tskim Q */ 126 u32 ios_active; /* current active IOs */ 127 u32 delay_comp; 128 struct bfa_fcpim_del_itn_stats_s del_itn_stats; 129 bfa_boolean_t ioredirect; 130 bfa_boolean_t io_profile; 131 time64_t io_profile_start_time; 132 bfa_fcpim_profile_t profile_comp; 133 bfa_fcpim_profile_t profile_start; 134 }; 135 136 /* Max FCP dma segs required */ 137 #define BFA_FCP_DMA_SEGS BFI_IOIM_SNSBUF_SEGS 138 139 struct bfa_fcp_mod_s { 140 struct bfa_s *bfa; 141 struct list_head iotag_ioim_free_q; /* free IO resources */ 142 struct list_head iotag_tio_free_q; /* free IO resources */ 143 struct list_head iotag_unused_q; /* unused IO resources*/ 144 struct bfa_iotag_s *iotag_arr; 145 struct bfa_itn_s *itn_arr; 146 int max_ioim_reqs; 147 int num_ioim_reqs; 148 int num_fwtio_reqs; 149 int num_itns; 150 struct bfa_dma_s snsbase[BFA_FCP_DMA_SEGS]; 151 struct bfa_fcpim_s fcpim; 152 struct bfa_mem_dma_s dma_seg[BFA_FCP_DMA_SEGS]; 153 struct bfa_mem_kva_s kva_seg; 154 int throttle_update_required; 155 }; 156 157 /* 158 * IO state machine events 159 */ 160 enum bfa_ioim_event { 161 BFA_IOIM_SM_START = 1, /* io start request from host */ 162 BFA_IOIM_SM_COMP_GOOD = 2, /* io good comp, resource free */ 163 BFA_IOIM_SM_COMP = 3, /* io comp, resource is free */ 164 BFA_IOIM_SM_COMP_UTAG = 4, /* io comp, resource is free */ 165 BFA_IOIM_SM_DONE = 5, /* io comp, resource not free */ 166 BFA_IOIM_SM_FREE = 6, /* io resource is freed */ 167 BFA_IOIM_SM_ABORT = 7, /* abort request from scsi stack */ 168 BFA_IOIM_SM_ABORT_COMP = 8, /* abort from f/w */ 169 BFA_IOIM_SM_ABORT_DONE = 9, /* abort completion from f/w */ 170 BFA_IOIM_SM_QRESUME = 10, /* CQ space available to queue IO */ 171 BFA_IOIM_SM_SGALLOCED = 11, /* SG page allocation successful */ 172 BFA_IOIM_SM_SQRETRY = 12, /* sequence recovery retry */ 173 BFA_IOIM_SM_HCB = 13, /* bfa callback complete */ 174 BFA_IOIM_SM_CLEANUP = 14, /* IO cleanup from itnim */ 175 BFA_IOIM_SM_TMSTART = 15, /* IO cleanup from tskim */ 176 BFA_IOIM_SM_TMDONE = 16, /* IO cleanup from tskim */ 177 BFA_IOIM_SM_HWFAIL = 17, /* IOC h/w failure event */ 178 BFA_IOIM_SM_IOTOV = 18, /* ITN offline TOV */ 179 }; 180 181 struct bfa_ioim_s; 182 typedef void (*bfa_ioim_sm_t)(struct bfa_ioim_s *, enum bfa_ioim_event); 183 184 /* 185 * BFA IO (initiator mode) 186 */ 187 struct bfa_ioim_s { 188 struct list_head qe; /* queue elememt */ 189 bfa_ioim_sm_t sm; /* BFA ioim state machine */ 190 struct bfa_s *bfa; /* BFA module */ 191 struct bfa_fcpim_s *fcpim; /* parent fcpim module */ 192 struct bfa_itnim_s *itnim; /* i-t-n nexus for this IO */ 193 struct bfad_ioim_s *dio; /* driver IO handle */ 194 u16 iotag; /* FWI IO tag */ 195 u16 abort_tag; /* unqiue abort request tag */ 196 u16 nsges; /* number of SG elements */ 197 u16 nsgpgs; /* number of SG pages */ 198 struct bfa_sgpg_s *sgpg; /* first SG page */ 199 struct list_head sgpg_q; /* allocated SG pages */ 200 struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */ 201 bfa_cb_cbfn_t io_cbfn; /* IO completion handler */ 202 struct bfa_ioim_sp_s *iosp; /* slow-path IO handling */ 203 u8 reqq; /* Request queue for I/O */ 204 u8 mode; /* IO is passthrough or not */ 205 u64 start_time; /* IO's Profile start val */ 206 }; 207 208 struct bfa_ioim_sp_s { 209 struct bfi_msg_s comp_rspmsg; /* IO comp f/w response */ 210 struct bfa_sgpg_wqe_s sgpg_wqe; /* waitq elem for sgpg */ 211 struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ 212 bfa_boolean_t abort_explicit; /* aborted by OS */ 213 struct bfa_tskim_s *tskim; /* Relevant TM cmd */ 214 }; 215 216 enum bfa_tskim_event { 217 BFA_TSKIM_SM_START = 1, /* TM command start */ 218 BFA_TSKIM_SM_DONE = 2, /* TM completion */ 219 BFA_TSKIM_SM_QRESUME = 3, /* resume after qfull */ 220 BFA_TSKIM_SM_HWFAIL = 5, /* IOC h/w failure event */ 221 BFA_TSKIM_SM_HCB = 6, /* BFA callback completion */ 222 BFA_TSKIM_SM_IOS_DONE = 7, /* IO and sub TM completions */ 223 BFA_TSKIM_SM_CLEANUP = 8, /* TM cleanup on ITN offline */ 224 BFA_TSKIM_SM_CLEANUP_DONE = 9, /* TM abort completion */ 225 BFA_TSKIM_SM_UTAG = 10, /* TM completion unknown tag */ 226 }; 227 228 struct bfa_tskim_s; 229 typedef void (*bfa_tskim_sm_t)(struct bfa_tskim_s *, enum bfa_tskim_event); 230 231 /* 232 * BFA Task management command (initiator mode) 233 */ 234 struct bfa_tskim_s { 235 struct list_head qe; 236 bfa_tskim_sm_t sm; 237 struct bfa_s *bfa; /* BFA module */ 238 struct bfa_fcpim_s *fcpim; /* parent fcpim module */ 239 struct bfa_itnim_s *itnim; /* i-t-n nexus for this IO */ 240 struct bfad_tskim_s *dtsk; /* driver task mgmt cmnd */ 241 bfa_boolean_t notify; /* notify itnim on TM comp */ 242 struct scsi_lun lun; /* lun if applicable */ 243 enum fcp_tm_cmnd tm_cmnd; /* task management command */ 244 u16 tsk_tag; /* FWI IO tag */ 245 u8 tsecs; /* timeout in seconds */ 246 struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ 247 struct list_head io_q; /* queue of affected IOs */ 248 struct bfa_wc_s wc; /* waiting counter */ 249 struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */ 250 enum bfi_tskim_status tsk_status; /* TM status */ 251 }; 252 253 /* 254 * itnim state machine event 255 */ 256 enum bfa_itnim_event { 257 BFA_ITNIM_SM_CREATE = 1, /* itnim is created */ 258 BFA_ITNIM_SM_ONLINE = 2, /* itnim is online */ 259 BFA_ITNIM_SM_OFFLINE = 3, /* itnim is offline */ 260 BFA_ITNIM_SM_FWRSP = 4, /* firmware response */ 261 BFA_ITNIM_SM_DELETE = 5, /* deleting an existing itnim */ 262 BFA_ITNIM_SM_CLEANUP = 6, /* IO cleanup completion */ 263 BFA_ITNIM_SM_SLER = 7, /* second level error recovery */ 264 BFA_ITNIM_SM_HWFAIL = 8, /* IOC h/w failure event */ 265 BFA_ITNIM_SM_QRESUME = 9, /* queue space available */ 266 }; 267 268 struct bfa_itnim_s; 269 typedef void (*bfa_itnim_sm_t)(struct bfa_itnim_s *, enum bfa_itnim_event); 270 271 /* 272 * BFA i-t-n (initiator mode) 273 */ 274 struct bfa_itnim_s { 275 struct list_head qe; /* queue element */ 276 bfa_itnim_sm_t sm; /* i-t-n im BFA state machine */ 277 struct bfa_s *bfa; /* bfa instance */ 278 struct bfa_rport_s *rport; /* bfa rport */ 279 void *ditn; /* driver i-t-n structure */ 280 struct bfi_mhdr_s mhdr; /* pre-built mhdr */ 281 u8 msg_no; /* itnim/rport firmware handle */ 282 u8 reqq; /* CQ for requests */ 283 struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */ 284 struct list_head pending_q; /* queue of pending IO requests */ 285 struct list_head io_q; /* queue of active IO requests */ 286 struct list_head io_cleanup_q; /* IO being cleaned up */ 287 struct list_head tsk_q; /* queue of active TM commands */ 288 struct list_head delay_comp_q; /* queue of failed inflight cmds */ 289 bfa_boolean_t seq_rec; /* SQER supported */ 290 bfa_boolean_t is_online; /* itnim is ONLINE for IO */ 291 bfa_boolean_t iotov_active; /* IO TOV timer is active */ 292 struct bfa_wc_s wc; /* waiting counter */ 293 struct bfa_timer_s timer; /* pending IO TOV */ 294 struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */ 295 struct bfa_fcpim_s *fcpim; /* fcpim module */ 296 struct bfa_itnim_iostats_s stats; 297 struct bfa_itnim_ioprofile_s ioprofile; 298 }; 299 300 #define bfa_itnim_is_online(_itnim) ((_itnim)->is_online) 301 #define BFA_FCPIM(_hal) (&(_hal)->modules.fcp_mod.fcpim) 302 #define BFA_IOIM_TAG_2_ID(_iotag) ((_iotag) & BFA_IOIM_IOTAG_MASK) 303 #define BFA_IOIM_FROM_TAG(_fcpim, _iotag) \ 304 (&fcpim->ioim_arr[(_iotag & BFA_IOIM_IOTAG_MASK)]) 305 #define BFA_TSKIM_FROM_TAG(_fcpim, _tmtag) \ 306 (&fcpim->tskim_arr[_tmtag & (fcpim->num_tskim_reqs - 1)]) 307 308 #define bfa_io_profile_start_time(_bfa) \ 309 ((_bfa)->modules.fcp_mod.fcpim.io_profile_start_time) 310 #define bfa_fcpim_get_io_profile(_bfa) \ 311 ((_bfa)->modules.fcp_mod.fcpim.io_profile) 312 #define bfa_ioim_update_iotag(__ioim) do { \ 313 uint16_t k = (__ioim)->iotag >> BFA_IOIM_RETRY_TAG_OFFSET; \ 314 k++; (__ioim)->iotag &= BFA_IOIM_IOTAG_MASK; \ 315 (__ioim)->iotag |= k << BFA_IOIM_RETRY_TAG_OFFSET; \ 316 } while (0) 317 318 static inline bfa_boolean_t bfa_ioim_maxretry_reached(struct bfa_ioim_s * ioim)319 bfa_ioim_maxretry_reached(struct bfa_ioim_s *ioim) 320 { 321 uint16_t k = ioim->iotag >> BFA_IOIM_RETRY_TAG_OFFSET; 322 if (k < BFA_IOIM_RETRY_MAX) 323 return BFA_FALSE; 324 return BFA_TRUE; 325 } 326 327 /* 328 * function prototypes 329 */ 330 void bfa_ioim_attach(struct bfa_fcpim_s *fcpim); 331 void bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); 332 void bfa_ioim_good_comp_isr(struct bfa_s *bfa, 333 struct bfi_msg_s *msg); 334 void bfa_ioim_cleanup(struct bfa_ioim_s *ioim); 335 void bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim, 336 struct bfa_tskim_s *tskim); 337 void bfa_ioim_iocdisable(struct bfa_ioim_s *ioim); 338 void bfa_ioim_tov(struct bfa_ioim_s *ioim); 339 340 void bfa_tskim_attach(struct bfa_fcpim_s *fcpim); 341 void bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); 342 void bfa_tskim_iodone(struct bfa_tskim_s *tskim); 343 void bfa_tskim_iocdisable(struct bfa_tskim_s *tskim); 344 void bfa_tskim_cleanup(struct bfa_tskim_s *tskim); 345 void bfa_tskim_res_recfg(struct bfa_s *bfa, u16 num_tskim_fw); 346 347 void bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len); 348 void bfa_itnim_attach(struct bfa_fcpim_s *fcpim); 349 void bfa_itnim_iocdisable(struct bfa_itnim_s *itnim); 350 void bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg); 351 void bfa_itnim_iodone(struct bfa_itnim_s *itnim); 352 void bfa_itnim_tskdone(struct bfa_itnim_s *itnim); 353 bfa_boolean_t bfa_itnim_hold_io(struct bfa_itnim_s *itnim); 354 355 /* 356 * bfa fcpim module API functions 357 */ 358 void bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov); 359 u16 bfa_fcpim_path_tov_get(struct bfa_s *bfa); 360 u16 bfa_fcpim_qdepth_get(struct bfa_s *bfa); 361 bfa_status_t bfa_fcpim_port_iostats(struct bfa_s *bfa, 362 struct bfa_itnim_iostats_s *stats, u8 lp_tag); 363 void bfa_fcpim_add_stats(struct bfa_itnim_iostats_s *fcpim_stats, 364 struct bfa_itnim_iostats_s *itnim_stats); 365 bfa_status_t bfa_fcpim_profile_on(struct bfa_s *bfa, time64_t time); 366 bfa_status_t bfa_fcpim_profile_off(struct bfa_s *bfa); 367 368 #define bfa_fcpim_ioredirect_enabled(__bfa) \ 369 (((struct bfa_fcpim_s *)(BFA_FCPIM(__bfa)))->ioredirect) 370 371 #define bfa_fcpim_get_next_reqq(__bfa, __qid) \ 372 { \ 373 struct bfa_fcpim_s *__fcpim = BFA_FCPIM(__bfa); \ 374 __fcpim->reqq++; \ 375 __fcpim->reqq &= (BFI_IOC_MAX_CQS - 1); \ 376 *(__qid) = __fcpim->reqq; \ 377 } 378 379 #define bfa_iocfc_map_msg_to_qid(__msg, __qid) \ 380 *(__qid) = (u8)((__msg) & (BFI_IOC_MAX_CQS - 1)); 381 /* 382 * bfa itnim API functions 383 */ 384 struct bfa_itnim_s *bfa_itnim_create(struct bfa_s *bfa, 385 struct bfa_rport_s *rport, void *itnim); 386 void bfa_itnim_delete(struct bfa_itnim_s *itnim); 387 void bfa_itnim_online(struct bfa_itnim_s *itnim, bfa_boolean_t seq_rec); 388 void bfa_itnim_offline(struct bfa_itnim_s *itnim); 389 void bfa_itnim_clear_stats(struct bfa_itnim_s *itnim); 390 bfa_status_t bfa_itnim_get_ioprofile(struct bfa_itnim_s *itnim, 391 struct bfa_itnim_ioprofile_s *ioprofile); 392 393 #define bfa_itnim_get_reqq(__ioim) (((struct bfa_ioim_s *)__ioim)->itnim->reqq) 394 395 /* 396 * BFA completion callback for bfa_itnim_online(). 397 */ 398 void bfa_cb_itnim_online(void *itnim); 399 400 /* 401 * BFA completion callback for bfa_itnim_offline(). 402 */ 403 void bfa_cb_itnim_offline(void *itnim); 404 void bfa_cb_itnim_tov_begin(void *itnim); 405 void bfa_cb_itnim_tov(void *itnim); 406 407 /* 408 * BFA notification to FCS/driver for second level error recovery. 409 * Atleast one I/O request has timedout and target is unresponsive to 410 * repeated abort requests. Second level error recovery should be initiated 411 * by starting implicit logout and recovery procedures. 412 */ 413 void bfa_cb_itnim_sler(void *itnim); 414 415 /* 416 * bfa ioim API functions 417 */ 418 struct bfa_ioim_s *bfa_ioim_alloc(struct bfa_s *bfa, 419 struct bfad_ioim_s *dio, 420 struct bfa_itnim_s *itnim, 421 u16 nsgles); 422 423 void bfa_ioim_free(struct bfa_ioim_s *ioim); 424 void bfa_ioim_start(struct bfa_ioim_s *ioim); 425 bfa_status_t bfa_ioim_abort(struct bfa_ioim_s *ioim); 426 void bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim, 427 bfa_boolean_t iotov); 428 /* 429 * I/O completion notification. 430 * 431 * @param[in] dio driver IO structure 432 * @param[in] io_status IO completion status 433 * @param[in] scsi_status SCSI status returned by target 434 * @param[in] sns_len SCSI sense length, 0 if none 435 * @param[in] sns_info SCSI sense data, if any 436 * @param[in] residue Residual length 437 * 438 * @return None 439 */ 440 void bfa_cb_ioim_done(void *bfad, struct bfad_ioim_s *dio, 441 enum bfi_ioim_status io_status, 442 u8 scsi_status, int sns_len, 443 u8 *sns_info, s32 residue); 444 445 /* 446 * I/O good completion notification. 447 */ 448 void bfa_cb_ioim_good_comp(void *bfad, struct bfad_ioim_s *dio); 449 450 /* 451 * I/O abort completion notification 452 */ 453 void bfa_cb_ioim_abort(void *bfad, struct bfad_ioim_s *dio); 454 455 /* 456 * bfa tskim API functions 457 */ 458 struct bfa_tskim_s *bfa_tskim_alloc(struct bfa_s *bfa, 459 struct bfad_tskim_s *dtsk); 460 void bfa_tskim_free(struct bfa_tskim_s *tskim); 461 void bfa_tskim_start(struct bfa_tskim_s *tskim, 462 struct bfa_itnim_s *itnim, struct scsi_lun lun, 463 enum fcp_tm_cmnd tm, u8 t_secs); 464 void bfa_cb_tskim_done(void *bfad, struct bfad_tskim_s *dtsk, 465 enum bfi_tskim_status tsk_status); 466 467 void bfa_fcpim_lunmask_rp_update(struct bfa_s *bfa, wwn_t lp_wwn, 468 wwn_t rp_wwn, u16 rp_tag, u8 lp_tag); 469 bfa_status_t bfa_fcpim_lunmask_update(struct bfa_s *bfa, u32 on_off); 470 bfa_status_t bfa_fcpim_lunmask_query(struct bfa_s *bfa, void *buf); 471 bfa_status_t bfa_fcpim_lunmask_delete(struct bfa_s *bfa, u16 vf_id, 472 wwn_t *pwwn, wwn_t rpwwn, struct scsi_lun lun); 473 bfa_status_t bfa_fcpim_lunmask_add(struct bfa_s *bfa, u16 vf_id, 474 wwn_t *pwwn, wwn_t rpwwn, struct scsi_lun lun); 475 bfa_status_t bfa_fcpim_lunmask_clear(struct bfa_s *bfa); 476 u16 bfa_fcpim_read_throttle(struct bfa_s *bfa); 477 bfa_status_t bfa_fcpim_write_throttle(struct bfa_s *bfa, u16 value); 478 bfa_status_t bfa_fcpim_throttle_set(struct bfa_s *bfa, u16 value); 479 bfa_status_t bfa_fcpim_throttle_get(struct bfa_s *bfa, void *buf); 480 u16 bfa_fcpim_get_throttle_cfg(struct bfa_s *bfa, u16 drv_cfg_param); 481 482 #endif /* __BFA_FCPIM_H__ */ 483