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 - 2013 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          "1.0.14"
  68
  69 #define PFX                     "bnx2fc: "
  70
  71 #define BCM_CHIP_LEN            16
  72
  73 #define BNX2X_DOORBELL_PCI_BAR          2
  74
  75 #define BNX2FC_MAX_BD_LEN               0xffff
  76 #define BNX2FC_BD_SPLIT_SZ              0x8000
  77 #define BNX2FC_MAX_BDS_PER_CMD          256
  78
  79 #define BNX2FC_SQ_WQES_MAX      256
  80
  81 #define BNX2FC_SCSI_MAX_SQES    ((3 * BNX2FC_SQ_WQES_MAX) / 8)
  82 #define BNX2FC_TM_MAX_SQES      ((BNX2FC_SQ_WQES_MAX) / 2)
  83 #define BNX2FC_ELS_MAX_SQES     (BNX2FC_TM_MAX_SQES - 1)
  84
  85 #define BNX2FC_RQ_WQES_MAX      16
  86 #define BNX2FC_CQ_WQES_MAX      (BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX)
  87
  88 #define BNX2FC_NUM_MAX_SESS     1024
  89 #define BNX2FC_NUM_MAX_SESS_LOG (ilog2(BNX2FC_NUM_MAX_SESS))
  90
  91 #define BNX2FC_MAX_NPIV         256
  92
  93 #define BNX2FC_MIN_PAYLOAD              256
  94 #define BNX2FC_MAX_PAYLOAD              2048
  95 #define BNX2FC_MFS                      \
  96                         (BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header))
  97 #define BNX2FC_MINI_JUMBO_MTU           2500
  98
  99
 100 #define BNX2FC_RQ_BUF_SZ                256
 101 #define BNX2FC_RQ_BUF_LOG_SZ            (ilog2(BNX2FC_RQ_BUF_SZ))
 102
 103 #define BNX2FC_SQ_WQE_SIZE              (sizeof(struct fcoe_sqe))
 104 #define BNX2FC_CQ_WQE_SIZE              (sizeof(struct fcoe_cqe))
 105 #define BNX2FC_RQ_WQE_SIZE              (BNX2FC_RQ_BUF_SZ)
 106 #define BNX2FC_XFERQ_WQE_SIZE           (sizeof(struct fcoe_xfrqe))
 107 #define BNX2FC_CONFQ_WQE_SIZE           (sizeof(struct fcoe_confqe))
 108 #define BNX2FC_5771X_DB_PAGE_SIZE       128
 109
 110 #define BNX2FC_TASK_SIZE                128
 111 #define BNX2FC_TASKS_PER_PAGE           (PAGE_SIZE/BNX2FC_TASK_SIZE)
 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 #define BNX2FC_MAX_RETRY_CNT            3
 118 #define BNX2FC_MAX_RPORT_RETRY_CNT      255
 119
 120 #define BNX2FC_READ                     (1 << 1)
 121 #define BNX2FC_WRITE                    (1 << 0)
 122
 123 #define BNX2FC_MIN_XID                  0
 124 #define FCOE_MAX_NUM_XIDS               0x2000
 125 #define FCOE_MAX_XID_OFFSET             (FCOE_MAX_NUM_XIDS - 1)
 126 #define FCOE_XIDS_PER_CPU_OFFSET        ((512 * nr_cpu_ids) - 1)
 127 #define BNX2FC_MAX_LUN                  0xFFFF
 128 #define BNX2FC_MAX_FCP_TGT              256
 129 #define BNX2FC_MAX_CMD_LEN              16
 130
 131 #define BNX2FC_TM_TIMEOUT               60      /* secs */
 132 #define BNX2FC_IO_TIMEOUT               20000UL /* msecs */
 133
 134 #define BNX2FC_WAIT_CNT                 1200
 135 #define BNX2FC_FW_TIMEOUT               (3 * HZ)
 136 #define PORT_MAX                        2
 137
 138 #define CMD_SCSI_STATUS(Cmnd)           ((Cmnd)->SCp.Status)
 139
 140 /* FC FCP Status */
 141 #define FC_GOOD                         0
 142
 143 #define BNX2FC_RNID_HBA                 0x7
 144
 145 #define SRR_RETRY_COUNT                 5
 146 #define REC_RETRY_COUNT                 1
 147 #define BNX2FC_NUM_ERR_BITS             63
 148
 149 #define BNX2FC_RELOGIN_WAIT_TIME        200
 150 #define BNX2FC_RELOGIN_WAIT_CNT         10
 151
 152 #define BNX2FC_STATS(hba, stat, cnt)                                    \
 153         do {                                                            \
 154                 u32 val;                                                \
 155                                                                         \
 156                 val = fw_stats->stat.cnt;                               \
 157                 if (hba->prev_stats.stat.cnt <= val)                    \
 158                         val -= hba->prev_stats.stat.cnt;                \
 159                 else                                                    \
 160                         val += (0xfffffff - hba->prev_stats.stat.cnt);  \
 161                 hba->bfw_stats.cnt += val;                              \
 162         } while (0)
 163
 164 /* bnx2fc driver uses only one instance of fcoe_percpu_s */
 165 extern struct fcoe_percpu_s bnx2fc_global;
 166
 167 extern struct workqueue_struct *bnx2fc_wq;
 168
 169 struct bnx2fc_percpu_s {
 170         struct task_struct *iothread;
 171         struct list_head work_list;
 172         spinlock_t fp_work_lock;
 173 };
 174
 175 struct bnx2fc_fw_stats {
 176         u64     fc_crc_cnt;
 177         u64     fcoe_tx_pkt_cnt;
 178         u64     fcoe_rx_pkt_cnt;
 179         u64     fcoe_tx_byte_cnt;
 180         u64     fcoe_rx_byte_cnt;
 181 };
 182
 183 struct bnx2fc_hba {
 184         struct list_head list;
 185         struct cnic_dev *cnic;
 186         struct pci_dev *pcidev;
 187         struct net_device *phys_dev;
 188         unsigned long reg_with_cnic;
 189                 #define BNX2FC_CNIC_REGISTERED           1
 190         struct bnx2fc_cmd_mgr *cmd_mgr;
 191         spinlock_t hba_lock;
 192         struct mutex hba_mutex;
 193         unsigned long adapter_state;
 194                 #define ADAPTER_STATE_UP                0
 195                 #define ADAPTER_STATE_GOING_DOWN        1
 196                 #define ADAPTER_STATE_LINK_DOWN         2
 197                 #define ADAPTER_STATE_READY             3
 198         unsigned long flags;
 199                 #define BNX2FC_FLAG_FW_INIT_DONE        0
 200                 #define BNX2FC_FLAG_DESTROY_CMPL        1
 201         u32 next_conn_id;
 202
 203         /* xid resources */
 204         u16 max_xid;
 205         u32 max_tasks;
 206         u32 max_outstanding_cmds;
 207         u32 elstm_xids;
 208
 209         struct fcoe_task_ctx_entry **task_ctx;
 210         dma_addr_t *task_ctx_dma;
 211         struct regpair *task_ctx_bd_tbl;
 212         dma_addr_t task_ctx_bd_dma;
 213
 214         int hash_tbl_segment_count;
 215         void **hash_tbl_segments;
 216         void *hash_tbl_pbl;
 217         dma_addr_t hash_tbl_pbl_dma;
 218         struct fcoe_t2_hash_table_entry *t2_hash_tbl;
 219         dma_addr_t t2_hash_tbl_dma;
 220         char *t2_hash_tbl_ptr;
 221         dma_addr_t t2_hash_tbl_ptr_dma;
 222
 223         char *dummy_buffer;
 224         dma_addr_t dummy_buf_dma;
 225
 226         /* Active list of offloaded sessions */
 227         struct bnx2fc_rport **tgt_ofld_list;
 228
 229         /* statistics */
 230         struct bnx2fc_fw_stats bfw_stats;
 231         struct fcoe_statistics_params prev_stats;
 232         struct fcoe_statistics_params *stats_buffer;
 233         dma_addr_t stats_buf_dma;
 234         struct completion stat_req_done;
 235         struct fcoe_capabilities fcoe_cap;
 236
 237         /*destroy handling */
 238         struct timer_list destroy_timer;
 239         wait_queue_head_t destroy_wait;
 240
 241         /* linkdown handling */
 242         wait_queue_head_t shutdown_wait;
 243         int wait_for_link_down;
 244         int num_ofld_sess;
 245         struct list_head vports;
 246
 247         char chip_num[BCM_CHIP_LEN];
 248 };
 249
 250 struct bnx2fc_interface {
 251         struct list_head list;
 252         unsigned long if_flags;
 253                 #define BNX2FC_CTLR_INIT_DONE           0
 254         struct bnx2fc_hba *hba;
 255         struct net_device *netdev;
 256         struct packet_type fcoe_packet_type;
 257         struct packet_type fip_packet_type;
 258         struct workqueue_struct *timer_work_queue;
 259         struct kref kref;
 260         u8 vlan_enabled;
 261         int vlan_id;
 262         bool enabled;
 263 };
 264
 265 #define bnx2fc_from_ctlr(x)                     \
 266         ((struct bnx2fc_interface *)((x) + 1))
 267
 268 #define bnx2fc_to_ctlr(x)                                       \
 269         ((struct fcoe_ctlr *)(((struct fcoe_ctlr *)(x)) - 1))
 270
 271 struct bnx2fc_lport {
 272         struct list_head list;
 273         struct fc_lport *lport;
 274 };
 275
 276 struct bnx2fc_cmd_mgr {
 277         struct bnx2fc_hba *hba;
 278         u16 next_idx;
 279         struct list_head *free_list;
 280         spinlock_t *free_list_lock;
 281         struct io_bdt **io_bdt_pool;
 282         struct bnx2fc_cmd **cmds;
 283 };
 284
 285 struct bnx2fc_rport {
 286         struct fcoe_port *port;
 287         struct fc_rport *rport;
 288         struct fc_rport_priv *rdata;
 289         void __iomem *ctx_base;
 290 #define DPM_TRIGER_TYPE         0x40
 291         u32 io_timeout;
 292         u32 fcoe_conn_id;
 293         u32 context_id;
 294         u32 sid;
 295         int dev_type;
 296
 297         unsigned long flags;
 298 #define BNX2FC_FLAG_SESSION_READY       0x1
 299 #define BNX2FC_FLAG_OFFLOADED           0x2
 300 #define BNX2FC_FLAG_DISABLED            0x3
 301 #define BNX2FC_FLAG_DESTROYED           0x4
 302 #define BNX2FC_FLAG_OFLD_REQ_CMPL       0x5
 303 #define BNX2FC_FLAG_CTX_ALLOC_FAILURE   0x6
 304 #define BNX2FC_FLAG_UPLD_REQ_COMPL      0x7
 305 #define BNX2FC_FLAG_EXPL_LOGO           0x8
 306 #define BNX2FC_FLAG_DISABLE_FAILED      0x9
 307 #define BNX2FC_FLAG_ENABLED             0xa
 308
 309         u8 src_addr[ETH_ALEN];
 310         u32 max_sqes;
 311         u32 max_rqes;
 312         u32 max_cqes;
 313         atomic_t free_sqes;
 314
 315         struct b577xx_doorbell_set_prod sq_db;
 316         struct b577xx_fcoe_rx_doorbell rx_db;
 317
 318         struct fcoe_sqe *sq;
 319         dma_addr_t sq_dma;
 320         u16 sq_prod_idx;
 321         u8 sq_curr_toggle_bit;
 322         u32 sq_mem_size;
 323
 324         struct fcoe_cqe *cq;
 325         dma_addr_t cq_dma;
 326         u16 cq_cons_idx;
 327         u8 cq_curr_toggle_bit;
 328         u32 cq_mem_size;
 329
 330         void *rq;
 331         dma_addr_t rq_dma;
 332         u32 rq_prod_idx;
 333         u32 rq_cons_idx;
 334         u32 rq_mem_size;
 335
 336         void *rq_pbl;
 337         dma_addr_t rq_pbl_dma;
 338         u32 rq_pbl_size;
 339
 340         struct fcoe_xfrqe *xferq;
 341         dma_addr_t xferq_dma;
 342         u32 xferq_mem_size;
 343
 344         struct fcoe_confqe *confq;
 345         dma_addr_t confq_dma;
 346         u32 confq_mem_size;
 347
 348         void *confq_pbl;
 349         dma_addr_t confq_pbl_dma;
 350         u32 confq_pbl_size;
 351
 352         struct fcoe_conn_db *conn_db;
 353         dma_addr_t conn_db_dma;
 354         u32 conn_db_mem_size;
 355
 356         struct fcoe_sqe *lcq;
 357         dma_addr_t lcq_dma;
 358         u32 lcq_mem_size;
 359
 360         void *ofld_req[4];
 361         dma_addr_t ofld_req_dma[4];
 362         void *enbl_req;
 363         dma_addr_t enbl_req_dma;
 364
 365         spinlock_t tgt_lock;
 366         spinlock_t cq_lock;
 367         atomic_t num_active_ios;
 368         u32 flush_in_prog;
 369         unsigned long timestamp;
 370         struct list_head free_task_list;
 371         struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1];
 372         struct list_head active_cmd_queue;
 373         struct list_head els_queue;
 374         struct list_head io_retire_queue;
 375         struct list_head active_tm_queue;
 376
 377         struct timer_list ofld_timer;
 378         wait_queue_head_t ofld_wait;
 379
 380         struct timer_list upld_timer;
 381         wait_queue_head_t upld_wait;
 382 };
 383
 384 struct bnx2fc_mp_req {
 385         u8 tm_flags;
 386
 387         u32 req_len;
 388         void *req_buf;
 389         dma_addr_t req_buf_dma;
 390         struct fcoe_bd_ctx *mp_req_bd;
 391         dma_addr_t mp_req_bd_dma;
 392         struct fc_frame_header req_fc_hdr;
 393
 394         u32 resp_len;
 395         void *resp_buf;
 396         dma_addr_t resp_buf_dma;
 397         struct fcoe_bd_ctx *mp_resp_bd;
 398         dma_addr_t mp_resp_bd_dma;
 399         struct fc_frame_header resp_fc_hdr;
 400 };
 401
 402 struct bnx2fc_els_cb_arg {
 403         struct bnx2fc_cmd *aborted_io_req;
 404         struct bnx2fc_cmd *io_req;
 405         u16 l2_oxid;
 406         u32 offset;
 407         enum fc_rctl r_ctl;
 408 };
 409
 410 /* bnx2fc command structure */
 411 struct bnx2fc_cmd {
 412         struct list_head link;
 413         u8 on_active_queue;
 414         u8 on_tmf_queue;
 415         u8 cmd_type;
 416 #define BNX2FC_SCSI_CMD         1
 417 #define BNX2FC_TASK_MGMT_CMD            2
 418 #define BNX2FC_ABTS                     3
 419 #define BNX2FC_ELS                      4
 420 #define BNX2FC_CLEANUP                  5
 421 #define BNX2FC_SEQ_CLEANUP              6
 422         u8 io_req_flags;
 423         struct kref refcount;
 424         struct fcoe_port *port;
 425         struct bnx2fc_rport *tgt;
 426         struct scsi_cmnd *sc_cmd;
 427         struct bnx2fc_cmd_mgr *cmd_mgr;
 428         struct bnx2fc_mp_req mp_req;
 429         void (*cb_func)(struct bnx2fc_els_cb_arg *cb_arg);
 430         struct bnx2fc_els_cb_arg *cb_arg;
 431         struct delayed_work timeout_work; /* timer for ULP timeouts */
 432         struct completion tm_done;
 433         int wait_for_comp;
 434         u16 xid;
 435         struct fcoe_err_report_entry err_entry;
 436         struct fcoe_task_ctx_entry *task;
 437         struct io_bdt *bd_tbl;
 438         struct fcp_rsp *rsp;
 439         size_t data_xfer_len;
 440         unsigned long req_flags;
 441 #define BNX2FC_FLAG_ISSUE_RRQ           0x1
 442 #define BNX2FC_FLAG_ISSUE_ABTS          0x2
 443 #define BNX2FC_FLAG_ABTS_DONE           0x3
 444 #define BNX2FC_FLAG_TM_COMPL            0x4
 445 #define BNX2FC_FLAG_TM_TIMEOUT          0x5
 446 #define BNX2FC_FLAG_IO_CLEANUP          0x6
 447 #define BNX2FC_FLAG_RETIRE_OXID         0x7
 448 #define BNX2FC_FLAG_EH_ABORT            0x8
 449 #define BNX2FC_FLAG_IO_COMPL            0x9
 450 #define BNX2FC_FLAG_ELS_DONE            0xa
 451 #define BNX2FC_FLAG_ELS_TIMEOUT         0xb
 452 #define BNX2FC_FLAG_CMD_LOST            0xc
 453 #define BNX2FC_FLAG_SRR_SENT            0xd
 454         u8 rec_retry;
 455         u8 srr_retry;
 456         u32 srr_offset;
 457         u8 srr_rctl;
 458         u32 fcp_resid;
 459         u32 fcp_rsp_len;
 460         u32 fcp_sns_len;
 461         u8 cdb_status; /* SCSI IO status */
 462         u8 fcp_status; /* FCP IO status */
 463         u8 fcp_rsp_code;
 464         u8 scsi_comp_flags;
 465 };
 466
 467 struct io_bdt {
 468         struct bnx2fc_cmd *io_req;
 469         struct fcoe_bd_ctx *bd_tbl;
 470         dma_addr_t bd_tbl_dma;
 471         u16 bd_valid;
 472 };
 473
 474 struct bnx2fc_work {
 475         struct list_head list;
 476         struct bnx2fc_rport *tgt;
 477         u16 wqe;
 478 };
 479 struct bnx2fc_unsol_els {
 480         struct fc_lport *lport;
 481         struct fc_frame *fp;
 482         struct bnx2fc_hba *hba;
 483         struct work_struct unsol_els_work;
 484 };
 485
 486
 487
 488 struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt);
 489 struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type);
 490 void bnx2fc_cmd_release(struct kref *ref);
 491 int bnx2fc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd);
 492 int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba);
 493 int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba);
 494 int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
 495                                         struct bnx2fc_rport *tgt);
 496 int bnx2fc_send_session_enable_req(struct fcoe_port *port,
 497                                         struct bnx2fc_rport *tgt);
 498 int bnx2fc_send_session_disable_req(struct fcoe_port *port,
 499                                     struct bnx2fc_rport *tgt);
 500 int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba,
 501                                         struct bnx2fc_rport *tgt);
 502 int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt);
 503 void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[],
 504                                         u32 num_cqe);
 505 int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba);
 506 void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba);
 507 int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba);
 508 void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba);
 509 struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba);
 510 void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr);
 511 void bnx2fc_get_link_state(struct bnx2fc_hba *hba);
 512 char *bnx2fc_get_next_rqe(struct bnx2fc_rport *tgt, u8 num_items);
 513 void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items);
 514 int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen);
 515 int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req);
 516 int bnx2fc_send_adisc(struct bnx2fc_rport *tgt, struct fc_frame *fp);
 517 int bnx2fc_send_logo(struct bnx2fc_rport *tgt, struct fc_frame *fp);
 518 int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp);
 519 int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req);
 520 int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req);
 521 void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req,
 522                           unsigned int timer_msec);
 523 int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req);
 524 void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req,
 525                               struct fcoe_task_ctx_entry *task,
 526                               u16 orig_xid);
 527 void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req,
 528                                   struct fcoe_task_ctx_entry *task,
 529                                   struct bnx2fc_cmd *orig_io_req,
 530                                   u32 offset);
 531 void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req,
 532                          struct fcoe_task_ctx_entry *task);
 533 void bnx2fc_init_task(struct bnx2fc_cmd *io_req,
 534                              struct fcoe_task_ctx_entry *task);
 535 void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid);
 536 void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt);
 537 int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd);
 538 int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd);
 539 int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd);
 540 int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd);
 541 void bnx2fc_rport_event_handler(struct fc_lport *lport,
 542                                 struct fc_rport_priv *rport,
 543                                 enum fc_rport_event event);
 544 void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req,
 545                                    struct fcoe_task_ctx_entry *task,
 546                                    u8 num_rq);
 547 void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req,
 548                                struct fcoe_task_ctx_entry *task,
 549                                u8 num_rq);
 550 void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req,
 551                                struct fcoe_task_ctx_entry *task,
 552                                u8 num_rq);
 553 void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req,
 554                              struct fcoe_task_ctx_entry *task,
 555                              u8 num_rq);
 556 void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req,
 557                               struct fcoe_task_ctx_entry *task,
 558                               u8 num_rq);
 559 void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req,
 560                            struct fcp_cmnd *fcp_cmnd);
 561
 562
 563
 564 void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt);
 565 struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did,
 566                                       struct fc_frame *fp, unsigned int op,
 567                                       void (*resp)(struct fc_seq *,
 568                                                    struct fc_frame *,
 569                                                    void *),
 570                                       void *arg, u32 timeout);
 571 void bnx2fc_arm_cq(struct bnx2fc_rport *tgt);
 572 int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt);
 573 void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe);
 574 struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port,
 575                                              u32 port_id);
 576 void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt,
 577                                    unsigned char *buf,
 578                                    u32 frame_len, u16 l2_oxid);
 579 int bnx2fc_send_stat_req(struct bnx2fc_hba *hba);
 580 int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, struct bnx2fc_cmd *io_req);
 581 int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req);
 582 int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl);
 583 void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req,
 584                                       struct fcoe_task_ctx_entry *task,
 585                                       u8 rx_state);
 586 int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset,
 587                                 enum fc_rctl r_ctl);
 588
 589
 590 #include "bnx2fc_debug.h"
 591
 592 #endif