1 #ifndef _BNX2FC_H_ 2 #define _BNX2FC_H_ 3 /* bnx2fc.h: Broadcom NetXtreme II Linux FCoE offload driver. 4 * 5 * Copyright (c) 2008 - 2011 Broadcom Corporation 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation. 10 * 11 * Written by: Bhanu Prakash Gollapudi (bprakash@broadcom.com) 12 */ 13 14 #include <linux/module.h> 15 #include <linux/moduleparam.h> 16 #include <linux/kernel.h> 17 #include <linux/skbuff.h> 18 #include <linux/netdevice.h> 19 #include <linux/etherdevice.h> 20 #include <linux/if_ether.h> 21 #include <linux/if_vlan.h> 22 #include <linux/kthread.h> 23 #include <linux/crc32.h> 24 #include <linux/cpu.h> 25 #include <linux/types.h> 26 #include <linux/list.h> 27 #include <linux/delay.h> 28 #include <linux/timer.h> 29 #include <linux/errno.h> 30 #include <linux/pci.h> 31 #include <linux/init.h> 32 #include <linux/dma-mapping.h> 33 #include <linux/workqueue.h> 34 #include <linux/mutex.h> 35 #include <linux/spinlock.h> 36 #include <linux/bitops.h> 37 #include <linux/log2.h> 38 #include <linux/interrupt.h> 39 #include <linux/sched.h> 40 #include <linux/io.h> 41 42 #include <scsi/scsi.h> 43 #include <scsi/scsi_host.h> 44 #include <scsi/scsi_device.h> 45 #include <scsi/scsi_cmnd.h> 46 #include <scsi/scsi_eh.h> 47 #include <scsi/scsi_tcq.h> 48 #include <scsi/libfc.h> 49 #include <scsi/libfcoe.h> 50 #include <scsi/fc_encode.h> 51 #include <scsi/scsi_transport.h> 52 #include <scsi/scsi_transport_fc.h> 53 #include <scsi/fc/fc_fip.h> 54 #include <scsi/fc/fc_fc2.h> 55 #include <scsi/fc_frame.h> 56 #include <scsi/fc/fc_fcoe.h> 57 #include <scsi/fc/fc_fcp.h> 58 59 #include "57xx_hsi_bnx2fc.h" 60 #include "bnx2fc_debug.h" 61 #include "../../net/cnic_if.h" 62 #include "bnx2fc_constants.h" 63 64 #define BNX2FC_NAME "bnx2fc" 65 #define BNX2FC_VERSION "1.0.4" 66 67 #define PFX "bnx2fc: " 68 69 #define BNX2X_DOORBELL_PCI_BAR 2 70 71 #define BNX2FC_MAX_BD_LEN 0xffff 72 #define BNX2FC_BD_SPLIT_SZ 0x8000 73 #define BNX2FC_MAX_BDS_PER_CMD 256 74 75 #define BNX2FC_SQ_WQES_MAX 256 76 77 #define BNX2FC_SCSI_MAX_SQES ((3 * BNX2FC_SQ_WQES_MAX) / 8) 78 #define BNX2FC_TM_MAX_SQES ((BNX2FC_SQ_WQES_MAX) / 2) 79 #define BNX2FC_ELS_MAX_SQES (BNX2FC_TM_MAX_SQES - 1) 80 81 #define BNX2FC_RQ_WQES_MAX 16 82 #define BNX2FC_CQ_WQES_MAX (BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX) 83 84 #define BNX2FC_NUM_MAX_SESS 128 85 #define BNX2FC_NUM_MAX_SESS_LOG (ilog2(BNX2FC_NUM_MAX_SESS)) 86 87 #define BNX2FC_MAX_OUTSTANDING_CMNDS 2048 88 #define BNX2FC_CAN_QUEUE BNX2FC_MAX_OUTSTANDING_CMNDS 89 #define BNX2FC_ELSTM_XIDS BNX2FC_CAN_QUEUE 90 #define BNX2FC_MIN_PAYLOAD 256 91 #define BNX2FC_MAX_PAYLOAD 2048 92 #define BNX2FC_MFS \ 93 (BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header)) 94 #define BNX2FC_MINI_JUMBO_MTU 2500 95 96 97 #define BNX2FC_RQ_BUF_SZ 256 98 #define BNX2FC_RQ_BUF_LOG_SZ (ilog2(BNX2FC_RQ_BUF_SZ)) 99 100 #define BNX2FC_SQ_WQE_SIZE (sizeof(struct fcoe_sqe)) 101 #define BNX2FC_CQ_WQE_SIZE (sizeof(struct fcoe_cqe)) 102 #define BNX2FC_RQ_WQE_SIZE (BNX2FC_RQ_BUF_SZ) 103 #define BNX2FC_XFERQ_WQE_SIZE (sizeof(struct fcoe_xfrqe)) 104 #define BNX2FC_CONFQ_WQE_SIZE (sizeof(struct fcoe_confqe)) 105 #define BNX2FC_5771X_DB_PAGE_SIZE 128 106 107 #define BNX2FC_MAX_TASKS \ 108 (BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS) 109 #define BNX2FC_TASK_SIZE 128 110 #define BNX2FC_TASKS_PER_PAGE (PAGE_SIZE/BNX2FC_TASK_SIZE) 111 #define BNX2FC_TASK_CTX_ARR_SZ (BNX2FC_MAX_TASKS/BNX2FC_TASKS_PER_PAGE) 112 113 #define BNX2FC_MAX_ROWS_IN_HASH_TBL 8 114 #define BNX2FC_HASH_TBL_CHUNK_SIZE (16 * 1024) 115 116 #define BNX2FC_MAX_SEQS 255 117 118 #define BNX2FC_READ (1 << 1) 119 #define BNX2FC_WRITE (1 << 0) 120 121 #define BNX2FC_MIN_XID 0 122 #define BNX2FC_MAX_XID \ 123 (BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS - 1) 124 #define FCOE_MIN_XID (BNX2FC_MAX_XID + 1) 125 #define FCOE_MAX_XID (FCOE_MIN_XID + 4095) 126 #define BNX2FC_MAX_LUN 0xFFFF 127 #define BNX2FC_MAX_FCP_TGT 256 128 #define BNX2FC_MAX_CMD_LEN 16 129 130 #define BNX2FC_TM_TIMEOUT 60 /* secs */ 131 #define BNX2FC_IO_TIMEOUT 20000UL /* msecs */ 132 133 #define BNX2FC_WAIT_CNT 1200 134 #define BNX2FC_FW_TIMEOUT (3 * HZ) 135 #define PORT_MAX 2 136 137 #define CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status) 138 139 /* FC FCP Status */ 140 #define FC_GOOD 0 141 142 #define BNX2FC_RNID_HBA 0x7 143 144 #define SRR_RETRY_COUNT 5 145 #define REC_RETRY_COUNT 1 146 #define BNX2FC_NUM_ERR_BITS 63 147 148 /* bnx2fc driver uses only one instance of fcoe_percpu_s */ 149 extern struct fcoe_percpu_s bnx2fc_global; 150 151 extern struct workqueue_struct *bnx2fc_wq; 152 153 struct bnx2fc_percpu_s { 154 struct task_struct *iothread; 155 struct list_head work_list; 156 spinlock_t fp_work_lock; 157 }; 158 159 struct bnx2fc_hba { 160 struct list_head list; 161 struct cnic_dev *cnic; 162 struct pci_dev *pcidev; 163 struct net_device *phys_dev; 164 unsigned long reg_with_cnic; 165 #define BNX2FC_CNIC_REGISTERED 1 166 struct bnx2fc_cmd_mgr *cmd_mgr; 167 spinlock_t hba_lock; 168 struct mutex hba_mutex; 169 unsigned long adapter_state; 170 #define ADAPTER_STATE_UP 0 171 #define ADAPTER_STATE_GOING_DOWN 1 172 #define ADAPTER_STATE_LINK_DOWN 2 173 #define ADAPTER_STATE_READY 3 174 unsigned long flags; 175 #define BNX2FC_FLAG_FW_INIT_DONE 0 176 #define BNX2FC_FLAG_DESTROY_CMPL 1 177 u32 next_conn_id; 178 struct fcoe_task_ctx_entry **task_ctx; 179 dma_addr_t *task_ctx_dma; 180 struct regpair *task_ctx_bd_tbl; 181 dma_addr_t task_ctx_bd_dma; 182 183 int hash_tbl_segment_count; 184 void **hash_tbl_segments; 185 void *hash_tbl_pbl; 186 dma_addr_t hash_tbl_pbl_dma; 187 struct fcoe_t2_hash_table_entry *t2_hash_tbl; 188 dma_addr_t t2_hash_tbl_dma; 189 char *t2_hash_tbl_ptr; 190 dma_addr_t t2_hash_tbl_ptr_dma; 191 192 char *dummy_buffer; 193 dma_addr_t dummy_buf_dma; 194 195 /* Active list of offloaded sessions */ 196 struct bnx2fc_rport **tgt_ofld_list; 197 198 /* statistics */ 199 struct fcoe_statistics_params *stats_buffer; 200 dma_addr_t stats_buf_dma; 201 struct completion stat_req_done; 202 203 /*destroy handling */ 204 struct timer_list destroy_timer; 205 wait_queue_head_t destroy_wait; 206 207 /* linkdown handling */ 208 wait_queue_head_t shutdown_wait; 209 int wait_for_link_down; 210 int num_ofld_sess; 211 struct list_head vports; 212 }; 213 214 struct bnx2fc_interface { 215 struct list_head list; 216 unsigned long if_flags; 217 #define BNX2FC_CTLR_INIT_DONE 0 218 struct bnx2fc_hba *hba; 219 struct net_device *netdev; 220 struct packet_type fcoe_packet_type; 221 struct packet_type fip_packet_type; 222 struct workqueue_struct *timer_work_queue; 223 struct kref kref; 224 struct fcoe_ctlr ctlr; 225 u8 vlan_enabled; 226 int vlan_id; 227 }; 228 229 #define bnx2fc_from_ctlr(fip) container_of(fip, struct bnx2fc_interface, ctlr) 230 231 struct bnx2fc_lport { 232 struct list_head list; 233 struct fc_lport *lport; 234 }; 235 236 struct bnx2fc_cmd_mgr { 237 struct bnx2fc_hba *hba; 238 u16 next_idx; 239 struct list_head *free_list; 240 spinlock_t *free_list_lock; 241 struct io_bdt **io_bdt_pool; 242 struct bnx2fc_cmd **cmds; 243 }; 244 245 struct bnx2fc_rport { 246 struct fcoe_port *port; 247 struct fc_rport *rport; 248 struct fc_rport_priv *rdata; 249 void __iomem *ctx_base; 250 #define DPM_TRIGER_TYPE 0x40 251 u32 io_timeout; 252 u32 fcoe_conn_id; 253 u32 context_id; 254 u32 sid; 255 int dev_type; 256 257 unsigned long flags; 258 #define BNX2FC_FLAG_SESSION_READY 0x1 259 #define BNX2FC_FLAG_OFFLOADED 0x2 260 #define BNX2FC_FLAG_DISABLED 0x3 261 #define BNX2FC_FLAG_DESTROYED 0x4 262 #define BNX2FC_FLAG_OFLD_REQ_CMPL 0x5 263 #define BNX2FC_FLAG_CTX_ALLOC_FAILURE 0x6 264 #define BNX2FC_FLAG_UPLD_REQ_COMPL 0x7 265 #define BNX2FC_FLAG_EXPL_LOGO 0x8 266 267 u8 src_addr[ETH_ALEN]; 268 u32 max_sqes; 269 u32 max_rqes; 270 u32 max_cqes; 271 atomic_t free_sqes; 272 273 struct b577xx_doorbell_set_prod sq_db; 274 struct b577xx_fcoe_rx_doorbell rx_db; 275 276 struct fcoe_sqe *sq; 277 dma_addr_t sq_dma; 278 u16 sq_prod_idx; 279 u8 sq_curr_toggle_bit; 280 u32 sq_mem_size; 281 282 struct fcoe_cqe *cq; 283 dma_addr_t cq_dma; 284 u16 cq_cons_idx; 285 u8 cq_curr_toggle_bit; 286 u32 cq_mem_size; 287 288 void *rq; 289 dma_addr_t rq_dma; 290 u32 rq_prod_idx; 291 u32 rq_cons_idx; 292 u32 rq_mem_size; 293 294 void *rq_pbl; 295 dma_addr_t rq_pbl_dma; 296 u32 rq_pbl_size; 297 298 struct fcoe_xfrqe *xferq; 299 dma_addr_t xferq_dma; 300 u32 xferq_mem_size; 301 302 struct fcoe_confqe *confq; 303 dma_addr_t confq_dma; 304 u32 confq_mem_size; 305 306 void *confq_pbl; 307 dma_addr_t confq_pbl_dma; 308 u32 confq_pbl_size; 309 310 struct fcoe_conn_db *conn_db; 311 dma_addr_t conn_db_dma; 312 u32 conn_db_mem_size; 313 314 struct fcoe_sqe *lcq; 315 dma_addr_t lcq_dma; 316 u32 lcq_mem_size; 317 318 void *ofld_req[4]; 319 dma_addr_t ofld_req_dma[4]; 320 void *enbl_req; 321 dma_addr_t enbl_req_dma; 322 323 spinlock_t tgt_lock; 324 spinlock_t cq_lock; 325 atomic_t num_active_ios; 326 u32 flush_in_prog; 327 unsigned long timestamp; 328 struct list_head free_task_list; 329 struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1]; 330 struct list_head active_cmd_queue; 331 struct list_head els_queue; 332 struct list_head io_retire_queue; 333 struct list_head active_tm_queue; 334 335 struct timer_list ofld_timer; 336 wait_queue_head_t ofld_wait; 337 338 struct timer_list upld_timer; 339 wait_queue_head_t upld_wait; 340 }; 341 342 struct bnx2fc_mp_req { 343 u8 tm_flags; 344 345 u32 req_len; 346 void *req_buf; 347 dma_addr_t req_buf_dma; 348 struct fcoe_bd_ctx *mp_req_bd; 349 dma_addr_t mp_req_bd_dma; 350 struct fc_frame_header req_fc_hdr; 351 352 u32 resp_len; 353 void *resp_buf; 354 dma_addr_t resp_buf_dma; 355 struct fcoe_bd_ctx *mp_resp_bd; 356 dma_addr_t mp_resp_bd_dma; 357 struct fc_frame_header resp_fc_hdr; 358 }; 359 360 struct bnx2fc_els_cb_arg { 361 struct bnx2fc_cmd *aborted_io_req; 362 struct bnx2fc_cmd *io_req; 363 u16 l2_oxid; 364 u32 offset; 365 enum fc_rctl r_ctl; 366 }; 367 368 /* bnx2fc command structure */ 369 struct bnx2fc_cmd { 370 struct list_head link; 371 u8 on_active_queue; 372 u8 on_tmf_queue; 373 u8 cmd_type; 374 #define BNX2FC_SCSI_CMD 1 375 #define BNX2FC_TASK_MGMT_CMD 2 376 #define BNX2FC_ABTS 3 377 #define BNX2FC_ELS 4 378 #define BNX2FC_CLEANUP 5 379 #define BNX2FC_SEQ_CLEANUP 6 380 u8 io_req_flags; 381 struct kref refcount; 382 struct fcoe_port *port; 383 struct bnx2fc_rport *tgt; 384 struct scsi_cmnd *sc_cmd; 385 struct bnx2fc_cmd_mgr *cmd_mgr; 386 struct bnx2fc_mp_req mp_req; 387 void (*cb_func)(struct bnx2fc_els_cb_arg *cb_arg); 388 struct bnx2fc_els_cb_arg *cb_arg; 389 struct delayed_work timeout_work; /* timer for ULP timeouts */ 390 struct completion tm_done; 391 int wait_for_comp; 392 u16 xid; 393 struct fcoe_err_report_entry err_entry; 394 struct fcoe_task_ctx_entry *task; 395 struct io_bdt *bd_tbl; 396 struct fcp_rsp *rsp; 397 size_t data_xfer_len; 398 unsigned long req_flags; 399 #define BNX2FC_FLAG_ISSUE_RRQ 0x1 400 #define BNX2FC_FLAG_ISSUE_ABTS 0x2 401 #define BNX2FC_FLAG_ABTS_DONE 0x3 402 #define BNX2FC_FLAG_TM_COMPL 0x4 403 #define BNX2FC_FLAG_TM_TIMEOUT 0x5 404 #define BNX2FC_FLAG_IO_CLEANUP 0x6 405 #define BNX2FC_FLAG_RETIRE_OXID 0x7 406 #define BNX2FC_FLAG_EH_ABORT 0x8 407 #define BNX2FC_FLAG_IO_COMPL 0x9 408 #define BNX2FC_FLAG_ELS_DONE 0xa 409 #define BNX2FC_FLAG_ELS_TIMEOUT 0xb 410 #define BNX2FC_FLAG_CMD_LOST 0xc 411 #define BNX2FC_FLAG_SRR_SENT 0xd 412 u8 rec_retry; 413 u8 srr_retry; 414 u32 srr_offset; 415 u8 srr_rctl; 416 u32 fcp_resid; 417 u32 fcp_rsp_len; 418 u32 fcp_sns_len; 419 u8 cdb_status; /* SCSI IO status */ 420 u8 fcp_status; /* FCP IO status */ 421 u8 fcp_rsp_code; 422 u8 scsi_comp_flags; 423 }; 424 425 struct io_bdt { 426 struct bnx2fc_cmd *io_req; 427 struct fcoe_bd_ctx *bd_tbl; 428 dma_addr_t bd_tbl_dma; 429 u16 bd_valid; 430 }; 431 432 struct bnx2fc_work { 433 struct list_head list; 434 struct bnx2fc_rport *tgt; 435 u16 wqe; 436 }; 437 struct bnx2fc_unsol_els { 438 struct fc_lport *lport; 439 struct fc_frame *fp; 440 struct bnx2fc_hba *hba; 441 struct work_struct unsol_els_work; 442 }; 443 444 445 446 struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt); 447 struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type); 448 void bnx2fc_cmd_release(struct kref *ref); 449 int bnx2fc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd); 450 int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba); 451 int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba); 452 int bnx2fc_send_session_ofld_req(struct fcoe_port *port, 453 struct bnx2fc_rport *tgt); 454 int bnx2fc_send_session_disable_req(struct fcoe_port *port, 455 struct bnx2fc_rport *tgt); 456 int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba, 457 struct bnx2fc_rport *tgt); 458 int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt); 459 void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[], 460 u32 num_cqe); 461 int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba); 462 void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba); 463 int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba); 464 void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba); 465 struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba, 466 u16 min_xid, u16 max_xid); 467 void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr); 468 void bnx2fc_get_link_state(struct bnx2fc_hba *hba); 469 char *bnx2fc_get_next_rqe(struct bnx2fc_rport *tgt, u8 num_items); 470 void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items); 471 int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen); 472 int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req); 473 int bnx2fc_send_adisc(struct bnx2fc_rport *tgt, struct fc_frame *fp); 474 int bnx2fc_send_logo(struct bnx2fc_rport *tgt, struct fc_frame *fp); 475 int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp); 476 int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req); 477 int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req); 478 void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req, 479 unsigned int timer_msec); 480 int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req); 481 void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req, 482 struct fcoe_task_ctx_entry *task, 483 u16 orig_xid); 484 void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req, 485 struct fcoe_task_ctx_entry *task, 486 struct bnx2fc_cmd *orig_io_req, 487 u32 offset); 488 void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req, 489 struct fcoe_task_ctx_entry *task); 490 void bnx2fc_init_task(struct bnx2fc_cmd *io_req, 491 struct fcoe_task_ctx_entry *task); 492 void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid); 493 void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt); 494 int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd); 495 int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd); 496 int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd); 497 int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd); 498 void bnx2fc_rport_event_handler(struct fc_lport *lport, 499 struct fc_rport_priv *rport, 500 enum fc_rport_event event); 501 void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req, 502 struct fcoe_task_ctx_entry *task, 503 u8 num_rq); 504 void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req, 505 struct fcoe_task_ctx_entry *task, 506 u8 num_rq); 507 void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req, 508 struct fcoe_task_ctx_entry *task, 509 u8 num_rq); 510 void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req, 511 struct fcoe_task_ctx_entry *task, 512 u8 num_rq); 513 void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req, 514 struct fcoe_task_ctx_entry *task, 515 u8 num_rq); 516 void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req, 517 struct fcp_cmnd *fcp_cmnd); 518 519 520 521 void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt); 522 struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did, 523 struct fc_frame *fp, unsigned int op, 524 void (*resp)(struct fc_seq *, 525 struct fc_frame *, 526 void *), 527 void *arg, u32 timeout); 528 void bnx2fc_arm_cq(struct bnx2fc_rport *tgt); 529 int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt); 530 void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe); 531 struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port, 532 u32 port_id); 533 void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt, 534 unsigned char *buf, 535 u32 frame_len, u16 l2_oxid); 536 int bnx2fc_send_stat_req(struct bnx2fc_hba *hba); 537 int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, struct bnx2fc_cmd *io_req); 538 int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req); 539 int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl); 540 void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req, 541 struct fcoe_task_ctx_entry *task, 542 u8 rx_state); 543 int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset, 544 enum fc_rctl r_ctl); 545 546 #endif 547