drivers/scsi/bnx2fc/bnx2fc.h

   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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  15
  16 #include <linux/module.h>
  17 #include <linux/moduleparam.h>
  18 #include <linux/kernel.h>
  19 #include <linux/skbuff.h>
  20 #include <linux/netdevice.h>
  21 #include <linux/etherdevice.h>
  22 #include <linux/if_ether.h>
  23 #include <linux/if_vlan.h>
  24 #include <linux/kthread.h>
  25 #include <linux/crc32.h>
  26 #include <linux/cpu.h>
  27 #include <linux/types.h>
  28 #include <linux/list.h>
  29 #include <linux/delay.h>
  30 #include <linux/timer.h>
  31 #include <linux/errno.h>
  32 #include <linux/pci.h>
  33 #include <linux/init.h>
  34 #include <linux/dma-mapping.h>
  35 #include <linux/workqueue.h>
  36 #include <linux/mutex.h>
  37 #include <linux/spinlock.h>
  38 #include <linux/bitops.h>
  39 #include <linux/log2.h>
  40 #include <linux/interrupt.h>
  41 #include <linux/sched.h>
  42 #include <linux/io.h>
  43
  44 #include <scsi/scsi.h>
  45 #include <scsi/scsi_host.h>
  46 #include <scsi/scsi_device.h>
  47 #include <scsi/scsi_cmnd.h>
  48 #include <scsi/scsi_eh.h>
  49 #include <scsi/scsi_tcq.h>
  50 #include <scsi/libfc.h>
  51 #include <scsi/libfcoe.h>
  52 #include <scsi/fc_encode.h>
  53 #include <scsi/scsi_transport.h>
  54 #include <scsi/scsi_transport_fc.h>
  55 #include <scsi/fc/fc_fip.h>
  56 #include <scsi/fc/fc_fc2.h>
  57 #include <scsi/fc_frame.h>
  58 #include <scsi/fc/fc_fcoe.h>
  59 #include <scsi/fc/fc_fcp.h>
  60
  61 #include "57xx_hsi_bnx2fc.h"
  62 #include "../../net/ethernet/broadcom/cnic_if.h"
  63 #include  "../../net/ethernet/broadcom/bnx2x/bnx2x_mfw_req.h"
  64 #include "bnx2fc_constants.h"
  65
  66 #define BNX2FC_NAME             "bnx2fc"
  67 #define BNX2FC_VERSION          "1.0.12"
  68
  69 #define PFX                     "bnx2fc: "
  70
  71 #define BNX2X_DOORBELL_PCI_BAR          2
  72
  73 #define BNX2FC_MAX_BD_LEN               0xffff
  74 #define BNX2FC_BD_SPLIT_SZ              0x8000
  75 #define BNX2FC_MAX_BDS_PER_CMD          256
  76
  77 #define BNX2FC_SQ_WQES_MAX      256
  78
  79 #define BNX2FC_SCSI_MAX_SQES    ((3 * BNX2FC_SQ_WQES_MAX) / 8)
  80 #define BNX2FC_TM_MAX_SQES      ((BNX2FC_SQ_WQES_MAX) / 2)
  81 #define BNX2FC_ELS_MAX_SQES     (BNX2FC_TM_MAX_SQES - 1)
  82
  83 #define BNX2FC_RQ_WQES_MAX      16
  84 #define BNX2FC_CQ_WQES_MAX      (BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX)
  85
  86 #define BNX2FC_NUM_MAX_SESS     1024
  87 #define BNX2FC_NUM_MAX_SESS_LOG (ilog2(BNX2FC_NUM_MAX_SESS))
  88
  89 #define BNX2FC_MAX_NPIV         256
  90
  91 #define BNX2FC_MAX_OUTSTANDING_CMNDS    2048
  92 #define BNX2FC_CAN_QUEUE                BNX2FC_MAX_OUTSTANDING_CMNDS
  93 #define BNX2FC_ELSTM_XIDS               BNX2FC_CAN_QUEUE
  94 #define BNX2FC_MIN_PAYLOAD              256
  95 #define BNX2FC_MAX_PAYLOAD              2048
  96 #define BNX2FC_MFS                      \
  97                         (BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header))
  98 #define BNX2FC_MINI_JUMBO_MTU           2500
  99
 100
 101 #define BNX2FC_RQ_BUF_SZ                256
 102 #define BNX2FC_RQ_BUF_LOG_SZ            (ilog2(BNX2FC_RQ_BUF_SZ))
 103
 104 #define BNX2FC_SQ_WQE_SIZE              (sizeof(struct fcoe_sqe))
 105 #define BNX2FC_CQ_WQE_SIZE              (sizeof(struct fcoe_cqe))
 106 #define BNX2FC_RQ_WQE_SIZE              (BNX2FC_RQ_BUF_SZ)
 107 #define BNX2FC_XFERQ_WQE_SIZE           (sizeof(struct fcoe_xfrqe))
 108 #define BNX2FC_CONFQ_WQE_SIZE           (sizeof(struct fcoe_confqe))
 109 #define BNX2FC_5771X_DB_PAGE_SIZE       128
 110
 111 #define BNX2FC_MAX_TASKS                \
 112                              (BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS)
 113 #define BNX2FC_TASK_SIZE                128
 114 #define BNX2FC_TASKS_PER_PAGE           (PAGE_SIZE/BNX2FC_TASK_SIZE)
 115 #define BNX2FC_TASK_CTX_ARR_SZ          (BNX2FC_MAX_TASKS/BNX2FC_TASKS_PER_PAGE)
 116
 117 #define BNX2FC_MAX_ROWS_IN_HASH_TBL     8
 118 #define BNX2FC_HASH_TBL_CHUNK_SIZE      (16 * 1024)
 119
 120 #define BNX2FC_MAX_SEQS                 255
 121 #define BNX2FC_MAX_RETRY_CNT            3
 122 #define BNX2FC_MAX_RPORT_RETRY_CNT      255
 123
 124 #define BNX2FC_READ                     (1 << 1)
 125 #define BNX2FC_WRITE                    (1 << 0)
 126
 127 #define BNX2FC_MIN_XID                  0
 128 #define BNX2FC_MAX_XID                  \
 129                         (BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS - 1)
 130 #define FCOE_MAX_NUM_XIDS               0x2000
 131 #define FCOE_MIN_XID                    (BNX2FC_MAX_XID + 1)
 132 #define FCOE_MAX_XID                    (FCOE_MIN_XID + FCOE_MAX_NUM_XIDS - 1)
 133 #define FCOE_XIDS_PER_CPU               (FCOE_MIN_XID + (512 * nr_cpu_ids) - 1)
 134 #define BNX2FC_MAX_LUN                  0xFFFF
 135 #define BNX2FC_MAX_FCP_TGT              256
 136 #define BNX2FC_MAX_CMD_LEN              16
 137
 138 #define BNX2FC_TM_TIMEOUT               60      /* secs */
 139 #define BNX2FC_IO_TIMEOUT               20000UL /* msecs */
 140
 141 #define BNX2FC_WAIT_CNT                 1200
 142 #define BNX2FC_FW_TIMEOUT               (3 * HZ)
 143 #define PORT_MAX                        2
 144
 145 #define CMD_SCSI_STATUS(Cmnd)           ((Cmnd)->SCp.Status)
 146
 147 /* FC FCP Status */
 148 #define FC_GOOD                         0
 149
 150 #define BNX2FC_RNID_HBA                 0x7
 151
 152 #define SRR_RETRY_COUNT                 5
 153 #define REC_RETRY_COUNT                 1
 154 #define BNX2FC_NUM_ERR_BITS             63
 155
 156 #define BNX2FC_RELOGIN_WAIT_TIME        200
 157 #define BNX2FC_RELOGIN_WAIT_CNT         10
 158
 159 /* bnx2fc driver uses only one instance of fcoe_percpu_s */
 160 extern struct fcoe_percpu_s bnx2fc_global;
 161
 162 extern struct workqueue_struct *bnx2fc_wq;
 163
 164 struct bnx2fc_percpu_s {
 165         struct task_struct *iothread;
 166         struct list_head work_list;
 167         spinlock_t fp_work_lock;
 168 };
 169
 170 struct bnx2fc_hba {
 171         struct list_head list;
 172         struct cnic_dev *cnic;
 173         struct pci_dev *pcidev;
 174         struct net_device *phys_dev;
 175         unsigned long reg_with_cnic;
 176                 #define BNX2FC_CNIC_REGISTERED           1
 177         struct bnx2fc_cmd_mgr *cmd_mgr;
 178         spinlock_t hba_lock;
 179         struct mutex hba_mutex;
 180         unsigned long adapter_state;
 181                 #define ADAPTER_STATE_UP                0
 182                 #define ADAPTER_STATE_GOING_DOWN        1
 183                 #define ADAPTER_STATE_LINK_DOWN         2
 184                 #define ADAPTER_STATE_READY             3
 185         unsigned long flags;
 186                 #define BNX2FC_FLAG_FW_INIT_DONE        0
 187                 #define BNX2FC_FLAG_DESTROY_CMPL        1
 188         u32 next_conn_id;
 189         struct fcoe_task_ctx_entry **task_ctx;
 190         dma_addr_t *task_ctx_dma;
 191         struct regpair *task_ctx_bd_tbl;
 192         dma_addr_t task_ctx_bd_dma;
 193
 194         int hash_tbl_segment_count;
 195         void **hash_tbl_segments;
 196         void *hash_tbl_pbl;
 197         dma_addr_t hash_tbl_pbl_dma;
 198         struct fcoe_t2_hash_table_entry *t2_hash_tbl;
 199         dma_addr_t t2_hash_tbl_dma;
 200         char *t2_hash_tbl_ptr;
 201         dma_addr_t t2_hash_tbl_ptr_dma;
 202
 203         char *dummy_buffer;
 204         dma_addr_t dummy_buf_dma;
 205
 206         /* Active list of offloaded sessions */
 207         struct bnx2fc_rport **tgt_ofld_list;
 208
 209         /* statistics */
 210         struct fcoe_statistics_params *stats_buffer;
 211         dma_addr_t stats_buf_dma;
 212         struct completion stat_req_done;
 213         struct fcoe_capabilities fcoe_cap;
 214
 215         /*destroy handling */
 216         struct timer_list destroy_timer;
 217         wait_queue_head_t destroy_wait;
 218
 219         /* linkdown handling */
 220         wait_queue_head_t shutdown_wait;
 221         int wait_for_link_down;
 222         int num_ofld_sess;
 223         struct list_head vports;
 224 };
 225
 226 struct bnx2fc_interface {
 227         struct list_head list;
 228         unsigned long if_flags;
 229                 #define BNX2FC_CTLR_INIT_DONE           0
 230         struct bnx2fc_hba *hba;
 231         struct net_device *netdev;
 232         struct packet_type fcoe_packet_type;
 233         struct packet_type fip_packet_type;
 234         struct workqueue_struct *timer_work_queue;
 235         struct kref kref;
 236         u8 vlan_enabled;
 237         int vlan_id;
 238         bool enabled;
 239 };
 240
 241 #define bnx2fc_from_ctlr(x)                     \
 242         ((struct bnx2fc_interface *)((x) + 1))
 243
 244 #define bnx2fc_to_ctlr(x)                                       \
 245         ((struct fcoe_ctlr *)(((struct fcoe_ctlr *)(x)) - 1))
 246
 247 struct bnx2fc_lport {
 248         struct list_head list;
 249         struct fc_lport *lport;
 250 };
 251
 252 struct bnx2fc_cmd_mgr {
 253         struct bnx2fc_hba *hba;
 254         u16 next_idx;
 255         struct list_head *free_list;
 256         spinlock_t *free_list_lock;
 257         struct io_bdt **io_bdt_pool;
 258         struct bnx2fc_cmd **cmds;
 259 };
 260
 261 struct bnx2fc_rport {
 262         struct fcoe_port *port;
 263         struct fc_rport *rport;
 264         struct fc_rport_priv *rdata;
 265         void __iomem *ctx_base;
 266 #define DPM_TRIGER_TYPE         0x40
 267         u32 io_timeout;
 268         u32 fcoe_conn_id;
 269         u32 context_id;
 270         u32 sid;
 271         int dev_type;
 272
 273         unsigned long flags;
 274 #define BNX2FC_FLAG_SESSION_READY       0x1
 275 #define BNX2FC_FLAG_OFFLOADED           0x2
 276 #define BNX2FC_FLAG_DISABLED            0x3
 277 #define BNX2FC_FLAG_DESTROYED           0x4
 278 #define BNX2FC_FLAG_OFLD_REQ_CMPL       0x5
 279 #define BNX2FC_FLAG_CTX_ALLOC_FAILURE   0x6
 280 #define BNX2FC_FLAG_UPLD_REQ_COMPL      0x7
 281 #define BNX2FC_FLAG_EXPL_LOGO           0x8
 282 #define BNX2FC_FLAG_DISABLE_FAILED      0x9
 283
 284         u8 src_addr[ETH_ALEN];
 285         u32 max_sqes;
 286         u32 max_rqes;
 287         u32 max_cqes;
 288         atomic_t free_sqes;
 289
 290         struct b577xx_doorbell_set_prod sq_db;
 291         struct b577xx_fcoe_rx_doorbell rx_db;
 292
 293         struct fcoe_sqe *sq;
 294         dma_addr_t sq_dma;
 295         u16 sq_prod_idx;
 296         u8 sq_curr_toggle_bit;
 297         u32 sq_mem_size;
 298
 299         struct fcoe_cqe *cq;
 300         dma_addr_t cq_dma;
 301         u16 cq_cons_idx;
 302         u8 cq_curr_toggle_bit;
 303         u32 cq_mem_size;
 304
 305         void *rq;
 306         dma_addr_t rq_dma;
 307         u32 rq_prod_idx;
 308         u32 rq_cons_idx;
 309         u32 rq_mem_size;
 310
 311         void *rq_pbl;
 312         dma_addr_t rq_pbl_dma;
 313         u32 rq_pbl_size;
 314
 315         struct fcoe_xfrqe *xferq;
 316         dma_addr_t xferq_dma;
 317         u32 xferq_mem_size;
 318
 319         struct fcoe_confqe *confq;
 320         dma_addr_t confq_dma;
 321         u32 confq_mem_size;
 322
 323         void *confq_pbl;
 324         dma_addr_t confq_pbl_dma;
 325         u32 confq_pbl_size;
 326
 327         struct fcoe_conn_db *conn_db;
 328         dma_addr_t conn_db_dma;
 329         u32 conn_db_mem_size;
 330
 331         struct fcoe_sqe *lcq;
 332         dma_addr_t lcq_dma;
 333         u32 lcq_mem_size;
 334
 335         void *ofld_req[4];
 336         dma_addr_t ofld_req_dma[4];
 337         void *enbl_req;
 338         dma_addr_t enbl_req_dma;
 339
 340         spinlock_t tgt_lock;
 341         spinlock_t cq_lock;
 342         atomic_t num_active_ios;
 343         u32 flush_in_prog;
 344         unsigned long timestamp;
 345         struct list_head free_task_list;
 346         struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1];
 347         struct list_head active_cmd_queue;
 348         struct list_head els_queue;
 349         struct list_head io_retire_queue;
 350         struct list_head active_tm_queue;
 351
 352         struct timer_list ofld_timer;
 353         wait_queue_head_t ofld_wait;
 354
 355         struct timer_list upld_timer;
 356         wait_queue_head_t upld_wait;
 357 };
 358
 359 struct bnx2fc_mp_req {
 360         u8 tm_flags;
 361
 362         u32 req_len;
 363         void *req_buf;
 364         dma_addr_t req_buf_dma;
 365         struct fcoe_bd_ctx *mp_req_bd;
 366         dma_addr_t mp_req_bd_dma;
 367         struct fc_frame_header req_fc_hdr;
 368
 369         u32 resp_len;
 370         void *resp_buf;
 371         dma_addr_t resp_buf_dma;
 372         struct fcoe_bd_ctx *mp_resp_bd;
 373         dma_addr_t mp_resp_bd_dma;
 374         struct fc_frame_header resp_fc_hdr;
 375 };
 376
 377 struct bnx2fc_els_cb_arg {
 378         struct bnx2fc_cmd *aborted_io_req;
 379         struct bnx2fc_cmd *io_req;
 380         u16 l2_oxid;
 381         u32 offset;
 382         enum fc_rctl r_ctl;
 383 };
 384
 385 /* bnx2fc command structure */
 386 struct bnx2fc_cmd {
 387         struct list_head link;
 388         u8 on_active_queue;
 389         u8 on_tmf_queue;
 390         u8 cmd_type;
 391 #define BNX2FC_SCSI_CMD         1
 392 #define BNX2FC_TASK_MGMT_CMD            2
 393 #define BNX2FC_ABTS                     3
 394 #define BNX2FC_ELS                      4
 395 #define BNX2FC_CLEANUP                  5
 396 #define BNX2FC_SEQ_CLEANUP              6
 397         u8 io_req_flags;
 398         struct kref refcount;
 399         struct fcoe_port *port;
 400         struct bnx2fc_rport *tgt;
 401         struct scsi_cmnd *sc_cmd;
 402         struct bnx2fc_cmd_mgr *cmd_mgr;
 403         struct bnx2fc_mp_req mp_req;
 404         void (*cb_func)(struct bnx2fc_els_cb_arg *cb_arg);
 405         struct bnx2fc_els_cb_arg *cb_arg;
 406         struct delayed_work timeout_work; /* timer for ULP timeouts */
 407         struct completion tm_done;
 408         int wait_for_comp;
 409         u16 xid;
 410         struct fcoe_err_report_entry err_entry;
 411         struct fcoe_task_ctx_entry *task;
 412         struct io_bdt *bd_tbl;
 413         struct fcp_rsp *rsp;
 414         size_t data_xfer_len;
 415         unsigned long req_flags;
 416 #define BNX2FC_FLAG_ISSUE_RRQ           0x1
 417 #define BNX2FC_FLAG_ISSUE_ABTS          0x2
 418 #define BNX2FC_FLAG_ABTS_DONE           0x3
 419 #define BNX2FC_FLAG_TM_COMPL            0x4
 420 #define BNX2FC_FLAG_TM_TIMEOUT          0x5
 421 #define BNX2FC_FLAG_IO_CLEANUP          0x6
 422 #define BNX2FC_FLAG_RETIRE_OXID         0x7
 423 #define BNX2FC_FLAG_EH_ABORT            0x8
 424 #define BNX2FC_FLAG_IO_COMPL            0x9
 425 #define BNX2FC_FLAG_ELS_DONE            0xa
 426 #define BNX2FC_FLAG_ELS_TIMEOUT         0xb
 427 #define BNX2FC_FLAG_CMD_LOST            0xc
 428 #define BNX2FC_FLAG_SRR_SENT            0xd
 429         u8 rec_retry;
 430         u8 srr_retry;
 431         u32 srr_offset;
 432         u8 srr_rctl;
 433         u32 fcp_resid;
 434         u32 fcp_rsp_len;
 435         u32 fcp_sns_len;
 436         u8 cdb_status; /* SCSI IO status */
 437         u8 fcp_status; /* FCP IO status */
 438         u8 fcp_rsp_code;
 439         u8 scsi_comp_flags;
 440 };
 441
 442 struct io_bdt {
 443         struct bnx2fc_cmd *io_req;
 444         struct fcoe_bd_ctx *bd_tbl;
 445         dma_addr_t bd_tbl_dma;
 446         u16 bd_valid;
 447 };
 448
 449 struct bnx2fc_work {
 450         struct list_head list;
 451         struct bnx2fc_rport *tgt;
 452         u16 wqe;
 453 };
 454 struct bnx2fc_unsol_els {
 455         struct fc_lport *lport;
 456         struct fc_frame *fp;
 457         struct bnx2fc_hba *hba;
 458         struct work_struct unsol_els_work;
 459 };
 460
 461
 462
 463 struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt);
 464 struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type);
 465 void bnx2fc_cmd_release(struct kref *ref);
 466 int bnx2fc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd);
 467 int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba);
 468 int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba);
 469 int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
 470                                         struct bnx2fc_rport *tgt);
 471 int bnx2fc_send_session_disable_req(struct fcoe_port *port,
 472                                     struct bnx2fc_rport *tgt);
 473 int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba,
 474                                         struct bnx2fc_rport *tgt);
 475 int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt);
 476 void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[],
 477                                         u32 num_cqe);
 478 int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba);
 479 void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba);
 480 int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba);
 481 void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba);
 482 struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba,
 483                                                 u16 min_xid, u16 max_xid);
 484 void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr);
 485 void bnx2fc_get_link_state(struct bnx2fc_hba *hba);
 486 char *bnx2fc_get_next_rqe(struct bnx2fc_rport *tgt, u8 num_items);
 487 void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items);
 488 int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen);
 489 int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req);
 490 int bnx2fc_send_adisc(struct bnx2fc_rport *tgt, struct fc_frame *fp);
 491 int bnx2fc_send_logo(struct bnx2fc_rport *tgt, struct fc_frame *fp);
 492 int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp);
 493 int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req);
 494 int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req);
 495 void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req,
 496                           unsigned int timer_msec);
 497 int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req);
 498 void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req,
 499                               struct fcoe_task_ctx_entry *task,
 500                               u16 orig_xid);
 501 void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req,
 502                                   struct fcoe_task_ctx_entry *task,
 503                                   struct bnx2fc_cmd *orig_io_req,
 504                                   u32 offset);
 505 void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req,
 506                          struct fcoe_task_ctx_entry *task);
 507 void bnx2fc_init_task(struct bnx2fc_cmd *io_req,
 508                              struct fcoe_task_ctx_entry *task);
 509 void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid);
 510 void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt);
 511 int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd);
 512 int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd);
 513 int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd);
 514 int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd);
 515 void bnx2fc_rport_event_handler(struct fc_lport *lport,
 516                                 struct fc_rport_priv *rport,
 517                                 enum fc_rport_event event);
 518 void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req,
 519                                    struct fcoe_task_ctx_entry *task,
 520                                    u8 num_rq);
 521 void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req,
 522                                struct fcoe_task_ctx_entry *task,
 523                                u8 num_rq);
 524 void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req,
 525                                struct fcoe_task_ctx_entry *task,
 526                                u8 num_rq);
 527 void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req,
 528                              struct fcoe_task_ctx_entry *task,
 529                              u8 num_rq);
 530 void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req,
 531                               struct fcoe_task_ctx_entry *task,
 532                               u8 num_rq);
 533 void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req,
 534                            struct fcp_cmnd *fcp_cmnd);
 535
 536
 537
 538 void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt);
 539 struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did,
 540                                       struct fc_frame *fp, unsigned int op,
 541                                       void (*resp)(struct fc_seq *,
 542                                                    struct fc_frame *,
 543                                                    void *),
 544                                       void *arg, u32 timeout);
 545 void bnx2fc_arm_cq(struct bnx2fc_rport *tgt);
 546 int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt);
 547 void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe);
 548 struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port,
 549                                              u32 port_id);
 550 void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt,
 551                                    unsigned char *buf,
 552                                    u32 frame_len, u16 l2_oxid);
 553 int bnx2fc_send_stat_req(struct bnx2fc_hba *hba);
 554 int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, struct bnx2fc_cmd *io_req);
 555 int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req);
 556 int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl);
 557 void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req,
 558                                       struct fcoe_task_ctx_entry *task,
 559                                       u8 rx_state);
 560 int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset,
 561                                 enum fc_rctl r_ctl);
 562
 563
 564 #include "bnx2fc_debug.h"
 565
 566 #endif