1 /******************************************************************* 2 * This file is part of the Emulex Linux Device Driver for * 3 * Fibre Channel Host Bus Adapters. * 4 * Copyright (C) 2009-2011 Emulex. All rights reserved. * 5 * EMULEX and SLI are trademarks of Emulex. * 6 * www.emulex.com * 7 * * 8 * This program is free software; you can redistribute it and/or * 9 * modify it under the terms of version 2 of the GNU General * 10 * Public License as published by the Free Software Foundation. * 11 * This program is distributed in the hope that it will be useful. * 12 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * 13 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * 14 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE * 15 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD * 16 * TO BE LEGALLY INVALID. See the GNU General Public License for * 17 * more details, a copy of which can be found in the file COPYING * 18 * included with this package. * 19 *******************************************************************/ 20 21 #define LPFC_ACTIVE_MBOX_WAIT_CNT 100 22 #define LPFC_XRI_EXCH_BUSY_WAIT_TMO 10000 23 #define LPFC_XRI_EXCH_BUSY_WAIT_T1 10 24 #define LPFC_XRI_EXCH_BUSY_WAIT_T2 30000 25 #define LPFC_RELEASE_NOTIFICATION_INTERVAL 32 26 #define LPFC_RPI_LOW_WATER_MARK 10 27 28 #define LPFC_UNREG_FCF 1 29 #define LPFC_SKIP_UNREG_FCF 0 30 31 /* Amount of time in seconds for waiting FCF rediscovery to complete */ 32 #define LPFC_FCF_REDISCOVER_WAIT_TMO 2000 /* msec */ 33 34 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */ 35 #define LPFC_NEMBED_MBOX_SGL_CNT 254 36 37 /* Multi-queue arrangement for fast-path FCP work queues */ 38 #define LPFC_FN_EQN_MAX 8 39 #define LPFC_SP_EQN_DEF 1 40 #define LPFC_FP_EQN_DEF 4 41 #define LPFC_FP_EQN_MIN 1 42 #define LPFC_FP_EQN_MAX (LPFC_FN_EQN_MAX - LPFC_SP_EQN_DEF) 43 44 #define LPFC_FN_WQN_MAX 32 45 #define LPFC_SP_WQN_DEF 1 46 #define LPFC_FP_WQN_DEF 4 47 #define LPFC_FP_WQN_MIN 1 48 #define LPFC_FP_WQN_MAX (LPFC_FN_WQN_MAX - LPFC_SP_WQN_DEF) 49 50 /* 51 * Provide the default FCF Record attributes used by the driver 52 * when nonFIP mode is configured and there is no other default 53 * FCF Record attributes. 54 */ 55 #define LPFC_FCOE_FCF_DEF_INDEX 0 56 #define LPFC_FCOE_FCF_GET_FIRST 0xFFFF 57 #define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF 58 59 #define LPFC_FCOE_NULL_VID 0xFFF 60 #define LPFC_FCOE_IGNORE_VID 0xFFFF 61 62 /* First 3 bytes of default FCF MAC is specified by FC_MAP */ 63 #define LPFC_FCOE_FCF_MAC3 0xFF 64 #define LPFC_FCOE_FCF_MAC4 0xFF 65 #define LPFC_FCOE_FCF_MAC5 0xFE 66 #define LPFC_FCOE_FCF_MAP0 0x0E 67 #define LPFC_FCOE_FCF_MAP1 0xFC 68 #define LPFC_FCOE_FCF_MAP2 0x00 69 #define LPFC_FCOE_MAX_RCV_SIZE 0x800 70 #define LPFC_FCOE_FKA_ADV_PER 0 71 #define LPFC_FCOE_FIP_PRIORITY 0x80 72 73 #define sli4_sid_from_fc_hdr(fc_hdr) \ 74 ((fc_hdr)->fh_s_id[0] << 16 | \ 75 (fc_hdr)->fh_s_id[1] << 8 | \ 76 (fc_hdr)->fh_s_id[2]) 77 78 #define sli4_did_from_fc_hdr(fc_hdr) \ 79 ((fc_hdr)->fh_d_id[0] << 16 | \ 80 (fc_hdr)->fh_d_id[1] << 8 | \ 81 (fc_hdr)->fh_d_id[2]) 82 83 #define sli4_fctl_from_fc_hdr(fc_hdr) \ 84 ((fc_hdr)->fh_f_ctl[0] << 16 | \ 85 (fc_hdr)->fh_f_ctl[1] << 8 | \ 86 (fc_hdr)->fh_f_ctl[2]) 87 88 #define sli4_type_from_fc_hdr(fc_hdr) \ 89 ((fc_hdr)->fh_type) 90 91 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000 92 93 enum lpfc_sli4_queue_type { 94 LPFC_EQ, 95 LPFC_GCQ, 96 LPFC_MCQ, 97 LPFC_WCQ, 98 LPFC_RCQ, 99 LPFC_MQ, 100 LPFC_WQ, 101 LPFC_HRQ, 102 LPFC_DRQ 103 }; 104 105 /* The queue sub-type defines the functional purpose of the queue */ 106 enum lpfc_sli4_queue_subtype { 107 LPFC_NONE, 108 LPFC_MBOX, 109 LPFC_FCP, 110 LPFC_ELS, 111 LPFC_USOL 112 }; 113 114 union sli4_qe { 115 void *address; 116 struct lpfc_eqe *eqe; 117 struct lpfc_cqe *cqe; 118 struct lpfc_mcqe *mcqe; 119 struct lpfc_wcqe_complete *wcqe_complete; 120 struct lpfc_wcqe_release *wcqe_release; 121 struct sli4_wcqe_xri_aborted *wcqe_xri_aborted; 122 struct lpfc_rcqe_complete *rcqe_complete; 123 struct lpfc_mqe *mqe; 124 union lpfc_wqe *wqe; 125 struct lpfc_rqe *rqe; 126 }; 127 128 struct lpfc_queue { 129 struct list_head list; 130 enum lpfc_sli4_queue_type type; 131 enum lpfc_sli4_queue_subtype subtype; 132 struct lpfc_hba *phba; 133 struct list_head child_list; 134 uint32_t entry_count; /* Number of entries to support on the queue */ 135 uint32_t entry_size; /* Size of each queue entry. */ 136 uint32_t entry_repost; /* Count of entries before doorbell is rung */ 137 #define LPFC_QUEUE_MIN_REPOST 8 138 uint32_t queue_id; /* Queue ID assigned by the hardware */ 139 uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */ 140 struct list_head page_list; 141 uint32_t page_count; /* Number of pages allocated for this queue */ 142 uint32_t host_index; /* The host's index for putting or getting */ 143 uint32_t hba_index; /* The last known hba index for get or put */ 144 union sli4_qe qe[1]; /* array to index entries (must be last) */ 145 }; 146 147 struct lpfc_sli4_link { 148 uint8_t speed; 149 uint8_t duplex; 150 uint8_t status; 151 uint8_t type; 152 uint8_t number; 153 uint8_t fault; 154 uint16_t logical_speed; 155 uint16_t topology; 156 }; 157 158 struct lpfc_fcf_rec { 159 uint8_t fabric_name[8]; 160 uint8_t switch_name[8]; 161 uint8_t mac_addr[6]; 162 uint16_t fcf_indx; 163 uint32_t priority; 164 uint16_t vlan_id; 165 uint32_t addr_mode; 166 uint32_t flag; 167 #define BOOT_ENABLE 0x01 168 #define RECORD_VALID 0x02 169 }; 170 171 struct lpfc_fcf_pri_rec { 172 uint16_t fcf_index; 173 #define LPFC_FCF_ON_PRI_LIST 0x0001 174 #define LPFC_FCF_FLOGI_FAILED 0x0002 175 uint16_t flag; 176 uint32_t priority; 177 }; 178 179 struct lpfc_fcf_pri { 180 struct list_head list; 181 struct lpfc_fcf_pri_rec fcf_rec; 182 }; 183 184 /* 185 * Maximum FCF table index, it is for driver internal book keeping, it 186 * just needs to be no less than the supported HBA's FCF table size. 187 */ 188 #define LPFC_SLI4_FCF_TBL_INDX_MAX 32 189 190 struct lpfc_fcf { 191 uint16_t fcfi; 192 uint32_t fcf_flag; 193 #define FCF_AVAILABLE 0x01 /* FCF available for discovery */ 194 #define FCF_REGISTERED 0x02 /* FCF registered with FW */ 195 #define FCF_SCAN_DONE 0x04 /* FCF table scan done */ 196 #define FCF_IN_USE 0x08 /* Atleast one discovery completed */ 197 #define FCF_INIT_DISC 0x10 /* Initial FCF discovery */ 198 #define FCF_DEAD_DISC 0x20 /* FCF DEAD fast FCF failover discovery */ 199 #define FCF_ACVL_DISC 0x40 /* All CVL fast FCF failover discovery */ 200 #define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC) 201 #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */ 202 #define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */ 203 #define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */ 204 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT) 205 uint32_t addr_mode; 206 uint32_t eligible_fcf_cnt; 207 struct lpfc_fcf_rec current_rec; 208 struct lpfc_fcf_rec failover_rec; 209 struct list_head fcf_pri_list; 210 struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX]; 211 uint32_t current_fcf_scan_pri; 212 struct timer_list redisc_wait; 213 unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */ 214 }; 215 216 217 #define LPFC_REGION23_SIGNATURE "RG23" 218 #define LPFC_REGION23_VERSION 1 219 #define LPFC_REGION23_LAST_REC 0xff 220 #define DRIVER_SPECIFIC_TYPE 0xA2 221 #define LINUX_DRIVER_ID 0x20 222 #define PORT_STE_TYPE 0x1 223 224 struct lpfc_fip_param_hdr { 225 uint8_t type; 226 #define FCOE_PARAM_TYPE 0xA0 227 uint8_t length; 228 #define FCOE_PARAM_LENGTH 2 229 uint8_t parm_version; 230 #define FIPP_VERSION 0x01 231 uint8_t parm_flags; 232 #define lpfc_fip_param_hdr_fipp_mode_SHIFT 6 233 #define lpfc_fip_param_hdr_fipp_mode_MASK 0x3 234 #define lpfc_fip_param_hdr_fipp_mode_WORD parm_flags 235 #define FIPP_MODE_ON 0x1 236 #define FIPP_MODE_OFF 0x0 237 #define FIPP_VLAN_VALID 0x1 238 }; 239 240 struct lpfc_fcoe_params { 241 uint8_t fc_map[3]; 242 uint8_t reserved1; 243 uint16_t vlan_tag; 244 uint8_t reserved[2]; 245 }; 246 247 struct lpfc_fcf_conn_hdr { 248 uint8_t type; 249 #define FCOE_CONN_TBL_TYPE 0xA1 250 uint8_t length; /* words */ 251 uint8_t reserved[2]; 252 }; 253 254 struct lpfc_fcf_conn_rec { 255 uint16_t flags; 256 #define FCFCNCT_VALID 0x0001 257 #define FCFCNCT_BOOT 0x0002 258 #define FCFCNCT_PRIMARY 0x0004 /* if not set, Secondary */ 259 #define FCFCNCT_FBNM_VALID 0x0008 260 #define FCFCNCT_SWNM_VALID 0x0010 261 #define FCFCNCT_VLAN_VALID 0x0020 262 #define FCFCNCT_AM_VALID 0x0040 263 #define FCFCNCT_AM_PREFERRED 0x0080 /* if not set, AM Required */ 264 #define FCFCNCT_AM_SPMA 0x0100 /* if not set, FPMA */ 265 266 uint16_t vlan_tag; 267 uint8_t fabric_name[8]; 268 uint8_t switch_name[8]; 269 }; 270 271 struct lpfc_fcf_conn_entry { 272 struct list_head list; 273 struct lpfc_fcf_conn_rec conn_rec; 274 }; 275 276 /* 277 * Define the host's bootstrap mailbox. This structure contains 278 * the member attributes needed to create, use, and destroy the 279 * bootstrap mailbox region. 280 * 281 * The macro definitions for the bmbx data structure are defined 282 * in lpfc_hw4.h with the register definition. 283 */ 284 struct lpfc_bmbx { 285 struct lpfc_dmabuf *dmabuf; 286 struct dma_address dma_address; 287 void *avirt; 288 dma_addr_t aphys; 289 uint32_t bmbx_size; 290 }; 291 292 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4 293 294 #define LPFC_EQE_SIZE_4B 4 295 #define LPFC_EQE_SIZE_16B 16 296 #define LPFC_CQE_SIZE 16 297 #define LPFC_WQE_SIZE 64 298 #define LPFC_MQE_SIZE 256 299 #define LPFC_RQE_SIZE 8 300 301 #define LPFC_EQE_DEF_COUNT 1024 302 #define LPFC_CQE_DEF_COUNT 1024 303 #define LPFC_WQE_DEF_COUNT 256 304 #define LPFC_MQE_DEF_COUNT 16 305 #define LPFC_RQE_DEF_COUNT 512 306 307 #define LPFC_QUEUE_NOARM false 308 #define LPFC_QUEUE_REARM true 309 310 311 /* 312 * SLI4 CT field defines 313 */ 314 #define SLI4_CT_RPI 0 315 #define SLI4_CT_VPI 1 316 #define SLI4_CT_VFI 2 317 #define SLI4_CT_FCFI 3 318 319 #define LPFC_SLI4_FL1_MAX_SEGMENT_SIZE 0x10000 320 #define LPFC_SLI4_FL1_MAX_BUF_SIZE 0X2000 321 #define LPFC_SLI4_MIN_BUF_SIZE 0x400 322 #define LPFC_SLI4_MAX_BUF_SIZE 0x20000 323 324 /* 325 * SLI4 specific data structures 326 */ 327 struct lpfc_max_cfg_param { 328 uint16_t max_xri; 329 uint16_t xri_base; 330 uint16_t xri_used; 331 uint16_t max_rpi; 332 uint16_t rpi_base; 333 uint16_t rpi_used; 334 uint16_t max_vpi; 335 uint16_t vpi_base; 336 uint16_t vpi_used; 337 uint16_t max_vfi; 338 uint16_t vfi_base; 339 uint16_t vfi_used; 340 uint16_t max_fcfi; 341 uint16_t fcfi_used; 342 uint16_t max_eq; 343 uint16_t max_rq; 344 uint16_t max_cq; 345 uint16_t max_wq; 346 }; 347 348 struct lpfc_hba; 349 /* SLI4 HBA multi-fcp queue handler struct */ 350 struct lpfc_fcp_eq_hdl { 351 uint32_t idx; 352 struct lpfc_hba *phba; 353 }; 354 355 /* Port Capabilities for SLI4 Parameters */ 356 struct lpfc_pc_sli4_params { 357 uint32_t supported; 358 uint32_t if_type; 359 uint32_t sli_rev; 360 uint32_t sli_family; 361 uint32_t featurelevel_1; 362 uint32_t featurelevel_2; 363 uint32_t proto_types; 364 #define LPFC_SLI4_PROTO_FCOE 0x0000001 365 #define LPFC_SLI4_PROTO_FC 0x0000002 366 #define LPFC_SLI4_PROTO_NIC 0x0000004 367 #define LPFC_SLI4_PROTO_ISCSI 0x0000008 368 #define LPFC_SLI4_PROTO_RDMA 0x0000010 369 uint32_t sge_supp_len; 370 uint32_t if_page_sz; 371 uint32_t rq_db_window; 372 uint32_t loopbk_scope; 373 uint32_t eq_pages_max; 374 uint32_t eqe_size; 375 uint32_t cq_pages_max; 376 uint32_t cqe_size; 377 uint32_t mq_pages_max; 378 uint32_t mqe_size; 379 uint32_t mq_elem_cnt; 380 uint32_t wq_pages_max; 381 uint32_t wqe_size; 382 uint32_t rq_pages_max; 383 uint32_t rqe_size; 384 uint32_t hdr_pages_max; 385 uint32_t hdr_size; 386 uint32_t hdr_pp_align; 387 uint32_t sgl_pages_max; 388 uint32_t sgl_pp_align; 389 uint8_t cqv; 390 uint8_t mqv; 391 uint8_t wqv; 392 uint8_t rqv; 393 }; 394 395 struct lpfc_iov { 396 uint32_t pf_number; 397 uint32_t vf_number; 398 }; 399 400 struct lpfc_sli4_lnk_info { 401 uint8_t lnk_dv; 402 #define LPFC_LNK_DAT_INVAL 0 403 #define LPFC_LNK_DAT_VAL 1 404 uint8_t lnk_tp; 405 #define LPFC_LNK_GE 0x0 /* FCoE */ 406 #define LPFC_LNK_FC 0x1 /* FC */ 407 uint8_t lnk_no; 408 }; 409 410 /* SLI4 HBA data structure entries */ 411 struct lpfc_sli4_hba { 412 void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for 413 PCI BAR0, config space registers */ 414 void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for 415 PCI BAR1, control registers */ 416 void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for 417 PCI BAR2, doorbell registers */ 418 union { 419 struct { 420 /* IF Type 0, BAR 0 PCI cfg space reg mem map */ 421 void __iomem *UERRLOregaddr; 422 void __iomem *UERRHIregaddr; 423 void __iomem *UEMASKLOregaddr; 424 void __iomem *UEMASKHIregaddr; 425 } if_type0; 426 struct { 427 /* IF Type 2, BAR 0 PCI cfg space reg mem map. */ 428 void __iomem *STATUSregaddr; 429 void __iomem *CTRLregaddr; 430 void __iomem *ERR1regaddr; 431 #define SLIPORT_ERR1_REG_ERR_CODE_1 0x1 432 #define SLIPORT_ERR1_REG_ERR_CODE_2 0x2 433 void __iomem *ERR2regaddr; 434 #define SLIPORT_ERR2_REG_FW_RESTART 0x0 435 #define SLIPORT_ERR2_REG_FUNC_PROVISON 0x1 436 #define SLIPORT_ERR2_REG_FORCED_DUMP 0x2 437 #define SLIPORT_ERR2_REG_FAILURE_EQ 0x3 438 #define SLIPORT_ERR2_REG_FAILURE_CQ 0x4 439 #define SLIPORT_ERR2_REG_FAILURE_BUS 0x5 440 #define SLIPORT_ERR2_REG_FAILURE_RQ 0x6 441 } if_type2; 442 } u; 443 444 /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */ 445 void __iomem *PSMPHRregaddr; 446 447 /* Well-known SLI INTF register memory map. */ 448 void __iomem *SLIINTFregaddr; 449 450 /* IF type 0, BAR 1 function CSR register memory map */ 451 void __iomem *ISRregaddr; /* HST_ISR register */ 452 void __iomem *IMRregaddr; /* HST_IMR register */ 453 void __iomem *ISCRregaddr; /* HST_ISCR register */ 454 /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */ 455 void __iomem *RQDBregaddr; /* RQ_DOORBELL register */ 456 void __iomem *WQDBregaddr; /* WQ_DOORBELL register */ 457 void __iomem *EQCQDBregaddr; /* EQCQ_DOORBELL register */ 458 void __iomem *MQDBregaddr; /* MQ_DOORBELL register */ 459 void __iomem *BMBXregaddr; /* BootStrap MBX register */ 460 461 uint32_t ue_mask_lo; 462 uint32_t ue_mask_hi; 463 struct lpfc_register sli_intf; 464 struct lpfc_pc_sli4_params pc_sli4_params; 465 struct msix_entry *msix_entries; 466 uint32_t cfg_eqn; 467 uint32_t msix_vec_nr; 468 struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */ 469 /* Pointers to the constructed SLI4 queues */ 470 struct lpfc_queue **fp_eq; /* Fast-path event queue */ 471 struct lpfc_queue *sp_eq; /* Slow-path event queue */ 472 struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */ 473 struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */ 474 struct lpfc_queue *els_wq; /* Slow-path ELS work queue */ 475 struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */ 476 struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */ 477 struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */ 478 struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */ 479 struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */ 480 481 /* Setup information for various queue parameters */ 482 int eq_esize; 483 int eq_ecount; 484 int cq_esize; 485 int cq_ecount; 486 int wq_esize; 487 int wq_ecount; 488 int mq_esize; 489 int mq_ecount; 490 int rq_esize; 491 int rq_ecount; 492 #define LPFC_SP_EQ_MAX_INTR_SEC 10000 493 #define LPFC_FP_EQ_MAX_INTR_SEC 10000 494 495 uint32_t intr_enable; 496 struct lpfc_bmbx bmbx; 497 struct lpfc_max_cfg_param max_cfg_param; 498 uint16_t extents_in_use; /* must allocate resource extents. */ 499 uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */ 500 uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */ 501 uint16_t next_rpi; 502 uint16_t scsi_xri_max; 503 uint16_t scsi_xri_cnt; 504 uint16_t els_xri_cnt; 505 uint16_t scsi_xri_start; 506 struct list_head lpfc_free_sgl_list; 507 struct list_head lpfc_sgl_list; 508 struct list_head lpfc_abts_els_sgl_list; 509 struct list_head lpfc_abts_scsi_buf_list; 510 struct lpfc_sglq **lpfc_sglq_active_list; 511 struct list_head lpfc_rpi_hdr_list; 512 unsigned long *rpi_bmask; 513 uint16_t *rpi_ids; 514 uint16_t rpi_count; 515 struct list_head lpfc_rpi_blk_list; 516 unsigned long *xri_bmask; 517 uint16_t *xri_ids; 518 struct list_head lpfc_xri_blk_list; 519 unsigned long *vfi_bmask; 520 uint16_t *vfi_ids; 521 uint16_t vfi_count; 522 struct list_head lpfc_vfi_blk_list; 523 struct lpfc_sli4_flags sli4_flags; 524 struct list_head sp_queue_event; 525 struct list_head sp_cqe_event_pool; 526 struct list_head sp_asynce_work_queue; 527 struct list_head sp_fcp_xri_aborted_work_queue; 528 struct list_head sp_els_xri_aborted_work_queue; 529 struct list_head sp_unsol_work_queue; 530 struct lpfc_sli4_link link_state; 531 struct lpfc_sli4_lnk_info lnk_info; 532 uint32_t pport_name_sta; 533 #define LPFC_SLI4_PPNAME_NON 0 534 #define LPFC_SLI4_PPNAME_GET 1 535 struct lpfc_iov iov; 536 spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */ 537 spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */ 538 }; 539 540 enum lpfc_sge_type { 541 GEN_BUFF_TYPE, 542 SCSI_BUFF_TYPE 543 }; 544 545 enum lpfc_sgl_state { 546 SGL_FREED, 547 SGL_ALLOCATED, 548 SGL_XRI_ABORTED 549 }; 550 551 struct lpfc_sglq { 552 /* lpfc_sglqs are used in double linked lists */ 553 struct list_head list; 554 struct list_head clist; 555 enum lpfc_sge_type buff_type; /* is this a scsi sgl */ 556 enum lpfc_sgl_state state; 557 struct lpfc_nodelist *ndlp; /* ndlp associated with IO */ 558 uint16_t iotag; /* pre-assigned IO tag */ 559 uint16_t sli4_lxritag; /* logical pre-assigned xri. */ 560 uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */ 561 struct sli4_sge *sgl; /* pre-assigned SGL */ 562 void *virt; /* virtual address. */ 563 dma_addr_t phys; /* physical address */ 564 }; 565 566 struct lpfc_rpi_hdr { 567 struct list_head list; 568 uint32_t len; 569 struct lpfc_dmabuf *dmabuf; 570 uint32_t page_count; 571 uint32_t start_rpi; 572 }; 573 574 struct lpfc_rsrc_blks { 575 struct list_head list; 576 uint16_t rsrc_start; 577 uint16_t rsrc_size; 578 uint16_t rsrc_used; 579 }; 580 581 /* 582 * SLI4 specific function prototypes 583 */ 584 int lpfc_pci_function_reset(struct lpfc_hba *); 585 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *); 586 int lpfc_sli4_hba_setup(struct lpfc_hba *); 587 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t, 588 uint8_t, uint32_t, bool); 589 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *); 590 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t); 591 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t, 592 struct lpfc_mbx_sge *); 593 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *, 594 uint16_t); 595 596 void lpfc_sli4_hba_reset(struct lpfc_hba *); 597 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t, 598 uint32_t); 599 void lpfc_sli4_queue_free(struct lpfc_queue *); 600 uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint16_t); 601 uint32_t lpfc_modify_fcp_eq_delay(struct lpfc_hba *, uint16_t); 602 uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *, 603 struct lpfc_queue *, uint32_t, uint32_t); 604 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *, 605 struct lpfc_queue *, uint32_t); 606 uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *, 607 struct lpfc_queue *, uint32_t); 608 uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *, 609 struct lpfc_queue *, struct lpfc_queue *, uint32_t); 610 void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int); 611 uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *); 612 uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *); 613 uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *); 614 uint32_t lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *); 615 uint32_t lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *, 616 struct lpfc_queue *); 617 int lpfc_sli4_queue_setup(struct lpfc_hba *); 618 void lpfc_sli4_queue_unset(struct lpfc_hba *); 619 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t); 620 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *); 621 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *); 622 int lpfc_sli4_post_async_mbox(struct lpfc_hba *); 623 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int); 624 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *); 625 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *); 626 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *); 627 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *); 628 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *); 629 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *); 630 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *); 631 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *); 632 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *); 633 int lpfc_sli4_alloc_rpi(struct lpfc_hba *); 634 void lpfc_sli4_free_rpi(struct lpfc_hba *, int); 635 void lpfc_sli4_remove_rpis(struct lpfc_hba *); 636 void lpfc_sli4_async_event_proc(struct lpfc_hba *); 637 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *); 638 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *, 639 void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *); 640 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *); 641 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *); 642 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *, 643 struct sli4_wcqe_xri_aborted *); 644 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *, 645 struct sli4_wcqe_xri_aborted *); 646 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *); 647 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *); 648 int lpfc_sli4_brdreset(struct lpfc_hba *); 649 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *); 650 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *); 651 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *); 652 int lpfc_sli4_init_vpi(struct lpfc_vport *); 653 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool); 654 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool); 655 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t); 656 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t); 657 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t); 658 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t); 659 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *); 660 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *); 661 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *); 662 int lpfc_sli4_unregister_fcf(struct lpfc_hba *); 663 int lpfc_sli4_post_status_check(struct lpfc_hba *); 664 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *); 665 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *); 666