drivers/scsi/qedf/qedf.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  *  QLogic FCoE Offload Driver
   4  *  Copyright (c) 2016-2018 Cavium Inc.
   5  */
   6 #ifndef _QEDFC_H_
   7 #define _QEDFC_H_
   8
   9 #include <scsi/libfcoe.h>
  10 #include <scsi/libfc.h>
  11 #include <scsi/fc/fc_fip.h>
  12 #include <scsi/fc/fc_fc2.h>
  13 #include <scsi/scsi_tcq.h>
  14
  15 /* qedf_hsi.h needs to before included any qed includes */
  16 #include "qedf_hsi.h"
  17
  18 #include <linux/qed/qed_if.h>
  19 #include <linux/qed/qed_fcoe_if.h>
  20 #include <linux/qed/qed_ll2_if.h>
  21 #include "qedf_version.h"
  22 #include "qedf_dbg.h"
  23 #include "drv_fcoe_fw_funcs.h"
  24
  25 /* Helpers to extract upper and lower 32-bits of pointer */
  26 #define U64_HI(val) ((u32)(((u64)(val)) >> 32))
  27 #define U64_LO(val) ((u32)(((u64)(val)) & 0xffffffff))
  28
  29 #define QEDF_DESCR "QLogic FCoE Offload Driver"
  30 #define QEDF_MODULE_NAME "qedf"
  31
  32 #define QEDF_FLOGI_RETRY_CNT    3
  33 #define QEDF_RPORT_RETRY_CNT    255
  34 #define QEDF_MAX_SESSIONS       1024
  35 #define QEDF_MAX_PAYLOAD        2048
  36 #define QEDF_MAX_BDS_PER_CMD    256
  37 #define QEDF_MAX_BD_LEN         0xffff
  38 #define QEDF_BD_SPLIT_SZ        0x1000
  39 #define QEDF_PAGE_SIZE          4096
  40 #define QED_HW_DMA_BOUNDARY     0xfff
  41 #define QEDF_MAX_SGLEN_FOR_CACHESGL             ((1U << 16) - 1)
  42 #define QEDF_MFS                (QEDF_MAX_PAYLOAD + \
  43         sizeof(struct fc_frame_header))
  44 #define QEDF_MAX_NPIV           64
  45 #define QEDF_TM_TIMEOUT         10
  46 #define QEDF_ABORT_TIMEOUT      (10 * 1000)
  47 #define QEDF_CLEANUP_TIMEOUT    1
  48 #define QEDF_MAX_CDB_LEN        16
  49 #define QEDF_LL2_BUF_SIZE       2500    /* Buffer size required for LL2 Rx */
  50
  51 #define UPSTREAM_REMOVE         1
  52 #define UPSTREAM_KEEP           1
  53
  54 struct qedf_mp_req {
  55         uint32_t req_len;
  56         void *req_buf;
  57         dma_addr_t req_buf_dma;
  58         struct scsi_sge *mp_req_bd;
  59         dma_addr_t mp_req_bd_dma;
  60         struct fc_frame_header req_fc_hdr;
  61
  62         uint32_t resp_len;
  63         void *resp_buf;
  64         dma_addr_t resp_buf_dma;
  65         struct scsi_sge *mp_resp_bd;
  66         dma_addr_t mp_resp_bd_dma;
  67         struct fc_frame_header resp_fc_hdr;
  68 };
  69
  70 struct qedf_els_cb_arg {
  71         struct qedf_ioreq *aborted_io_req;
  72         struct qedf_ioreq *io_req;
  73         u8 op; /* Used to keep track of ELS op */
  74         uint16_t l2_oxid;
  75         u32 offset; /* Used for sequence cleanup */
  76         u8 r_ctl; /* Used for sequence cleanup */
  77 };
  78
  79 enum qedf_ioreq_event {
  80         QEDF_IOREQ_EV_NONE,
  81         QEDF_IOREQ_EV_ABORT_SUCCESS,
  82         QEDF_IOREQ_EV_ABORT_FAILED,
  83         QEDF_IOREQ_EV_SEND_RRQ,
  84         QEDF_IOREQ_EV_ELS_TMO,
  85         QEDF_IOREQ_EV_ELS_ERR_DETECT,
  86         QEDF_IOREQ_EV_ELS_FLUSH,
  87         QEDF_IOREQ_EV_CLEANUP_SUCCESS,
  88         QEDF_IOREQ_EV_CLEANUP_FAILED,
  89 };
  90
  91 #define FC_GOOD         0
  92 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_OVER       (0x1<<2)
  93 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_UNDER      (0x1<<3)
  94 #define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID    (0x1<<0)
  95 #define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID    (0x1<<1)
  96 struct qedf_ioreq {
  97         struct list_head link;
  98         uint16_t xid;
  99         struct scsi_cmnd *sc_cmd;
 100 #define QEDF_SCSI_CMD           1
 101 #define QEDF_TASK_MGMT_CMD      2
 102 #define QEDF_ABTS               3
 103 #define QEDF_ELS                4
 104 #define QEDF_CLEANUP            5
 105 #define QEDF_SEQ_CLEANUP        6
 106         u8 cmd_type;
 107 #define QEDF_CMD_OUTSTANDING            0x0
 108 #define QEDF_CMD_IN_ABORT               0x1
 109 #define QEDF_CMD_IN_CLEANUP             0x2
 110 #define QEDF_CMD_SRR_SENT               0x3
 111 #define QEDF_CMD_DIRTY                  0x4
 112 #define QEDF_CMD_ERR_SCSI_DONE          0x5
 113         u8 io_req_flags;
 114         uint8_t tm_flags;
 115         u64 tm_lun;
 116         struct qedf_rport *fcport;
 117 #define QEDF_CMD_ST_INACTIVE            0
 118 #define QEDFC_CMD_ST_IO_ACTIVE          1
 119 #define QEDFC_CMD_ST_ABORT_ACTIVE       2
 120 #define QEDFC_CMD_ST_ABORT_ACTIVE_EH    3
 121 #define QEDFC_CMD_ST_CLEANUP_ACTIVE     4
 122 #define QEDFC_CMD_ST_CLEANUP_ACTIVE_EH  5
 123 #define QEDFC_CMD_ST_RRQ_ACTIVE         6
 124 #define QEDFC_CMD_ST_RRQ_WAIT           7
 125 #define QEDFC_CMD_ST_OXID_RETIRE_WAIT   8
 126 #define QEDFC_CMD_ST_TMF_ACTIVE         9
 127 #define QEDFC_CMD_ST_DRAIN_ACTIVE       10
 128 #define QEDFC_CMD_ST_CLEANED            11
 129 #define QEDFC_CMD_ST_ELS_ACTIVE         12
 130         atomic_t state;
 131         unsigned long flags;
 132         enum qedf_ioreq_event event;
 133         size_t data_xfer_len;
 134         /* ID: 001: Alloc cmd (qedf_alloc_cmd) */
 135         /* ID: 002: Initiate ABTS (qedf_initiate_abts) */
 136         /* ID: 003: For RRQ (qedf_process_abts_compl) */
 137         struct kref refcount;
 138         struct qedf_cmd_mgr *cmd_mgr;
 139         struct io_bdt *bd_tbl;
 140         struct delayed_work timeout_work;
 141         struct completion tm_done;
 142         struct completion abts_done;
 143         struct completion cleanup_done;
 144         struct fcoe_task_context *task;
 145         struct fcoe_task_params *task_params;
 146         struct scsi_sgl_task_params *sgl_task_params;
 147         int idx;
 148         int lun;
 149 /*
 150  * Need to allocate enough room for both sense data and FCP response data
 151  * which has a max length of 8 bytes according to spec.
 152  */
 153 #define QEDF_SCSI_SENSE_BUFFERSIZE      (SCSI_SENSE_BUFFERSIZE + 8)
 154         uint8_t *sense_buffer;
 155         dma_addr_t sense_buffer_dma;
 156         u32 fcp_resid;
 157         u32 fcp_rsp_len;
 158         u32 fcp_sns_len;
 159         u8 cdb_status;
 160         u8 fcp_status;
 161         u8 fcp_rsp_code;
 162         u8 scsi_comp_flags;
 163 #define QEDF_MAX_REUSE          0xfff
 164         u16 reuse_count;
 165         struct qedf_mp_req mp_req;
 166         void (*cb_func)(struct qedf_els_cb_arg *cb_arg);
 167         struct qedf_els_cb_arg *cb_arg;
 168         int fp_idx;
 169         unsigned int cpu;
 170         unsigned int int_cpu;
 171 #define QEDF_IOREQ_UNKNOWN_SGE          1
 172 #define QEDF_IOREQ_SLOW_SGE             2
 173 #define QEDF_IOREQ_FAST_SGE             3
 174         u8 sge_type;
 175         struct delayed_work rrq_work;
 176
 177         /* Used for sequence level recovery; i.e. REC/SRR */
 178         uint32_t rx_buf_off;
 179         uint32_t tx_buf_off;
 180         uint32_t rx_id;
 181         uint32_t task_retry_identifier;
 182
 183         /*
 184          * Used to tell if we need to return a SCSI command
 185          * during some form of error processing.
 186          */
 187         bool return_scsi_cmd_on_abts;
 188
 189         unsigned int alloc;
 190 };
 191
 192 struct qedf_cmd_priv {
 193         struct qedf_ioreq *io_req;
 194 };
 195
 196 static inline struct qedf_cmd_priv *qedf_priv(struct scsi_cmnd *cmd)
 197 {
 198         return scsi_cmd_priv(cmd);
 199 }
 200
 201 extern struct workqueue_struct *qedf_io_wq;
 202
 203 struct qedf_rport {
 204         spinlock_t rport_lock;
 205 #define QEDF_RPORT_SESSION_READY 1
 206 #define QEDF_RPORT_UPLOADING_CONNECTION 2
 207 #define QEDF_RPORT_IN_RESET 3
 208 #define QEDF_RPORT_IN_LUN_RESET 4
 209 #define QEDF_RPORT_IN_TARGET_RESET 5
 210         unsigned long flags;
 211         int lun_reset_lun;
 212         unsigned long retry_delay_timestamp;
 213         struct fc_rport *rport;
 214         struct fc_rport_priv *rdata;
 215         struct qedf_ctx *qedf;
 216         u32 handle; /* Handle from qed */
 217         u32 fw_cid; /* fw_cid from qed */
 218         void __iomem *p_doorbell;
 219         /* Send queue management */
 220         atomic_t free_sqes;
 221         atomic_t ios_to_queue;
 222         atomic_t num_active_ios;
 223         struct fcoe_wqe *sq;
 224         dma_addr_t sq_dma;
 225         u16 sq_prod_idx;
 226         u16 fw_sq_prod_idx;
 227         u16 sq_con_idx;
 228         u32 sq_mem_size;
 229         void *sq_pbl;
 230         dma_addr_t sq_pbl_dma;
 231         u32 sq_pbl_size;
 232         u32 sid;
 233 #define QEDF_RPORT_TYPE_DISK            0
 234 #define QEDF_RPORT_TYPE_TAPE            1
 235         uint dev_type; /* Disk or tape */
 236         struct list_head peers;
 237 };
 238
 239 /* Used to contain LL2 skb's in ll2_skb_list */
 240 struct qedf_skb_work {
 241         struct work_struct work;
 242         struct sk_buff *skb;
 243         struct qedf_ctx *qedf;
 244 };
 245
 246 struct qedf_fastpath {
 247 #define QEDF_SB_ID_NULL         0xffff
 248         u16             sb_id;
 249         struct qed_sb_info      *sb_info;
 250         struct qedf_ctx *qedf;
 251         /* Keep track of number of completions on this fastpath */
 252         unsigned long completions;
 253         uint32_t cq_num_entries;
 254 };
 255
 256 /* Used to pass fastpath information needed to process CQEs */
 257 struct qedf_io_work {
 258         struct work_struct work;
 259         struct fcoe_cqe cqe;
 260         struct qedf_ctx *qedf;
 261         struct fc_frame *fp;
 262 };
 263
 264 struct qedf_glbl_q_params {
 265         u64     hw_p_cq;        /* Completion queue PBL */
 266         u64     hw_p_rq;        /* Request queue PBL */
 267         u64     hw_p_cmdq;      /* Command queue PBL */
 268 };
 269
 270 struct global_queue {
 271         struct fcoe_cqe *cq;
 272         dma_addr_t cq_dma;
 273         u32 cq_mem_size;
 274         u32 cq_cons_idx; /* Completion queue consumer index */
 275         u32 cq_prod_idx;
 276
 277         void *cq_pbl;
 278         dma_addr_t cq_pbl_dma;
 279         u32 cq_pbl_size;
 280 };
 281
 282 /* I/O tracing entry */
 283 #define QEDF_IO_TRACE_SIZE              2048
 284 struct qedf_io_log {
 285 #define QEDF_IO_TRACE_REQ               0
 286 #define QEDF_IO_TRACE_RSP               1
 287         uint8_t direction;
 288         uint16_t task_id;
 289         uint32_t port_id; /* Remote port fabric ID */
 290         int lun;
 291         unsigned char op; /* SCSI CDB */
 292         uint8_t lba[4];
 293         unsigned int bufflen; /* SCSI buffer length */
 294         unsigned int sg_count; /* Number of SG elements */
 295         int result; /* Result passed back to mid-layer */
 296         unsigned long jiffies; /* Time stamp when I/O logged */
 297         int refcount; /* Reference count for task id */
 298         unsigned int req_cpu; /* CPU that the task is queued on */
 299         unsigned int int_cpu; /* Interrupt CPU that the task is received on */
 300         unsigned int rsp_cpu; /* CPU that task is returned on */
 301         u8 sge_type; /* Did we take the slow, single or fast SGE path */
 302 };
 303
 304 /* Number of entries in BDQ */
 305 #define QEDF_BDQ_SIZE                   256
 306 #define QEDF_BDQ_BUF_SIZE               2072
 307
 308 /* DMA coherent buffers for BDQ */
 309 struct qedf_bdq_buf {
 310         void *buf_addr;
 311         dma_addr_t buf_dma;
 312 };
 313
 314 /* Main adapter struct */
 315 struct qedf_ctx {
 316         struct qedf_dbg_ctx dbg_ctx;
 317         struct fcoe_ctlr ctlr;
 318         struct fc_lport *lport;
 319         u8 data_src_addr[ETH_ALEN];
 320 #define QEDF_LINK_DOWN          0
 321 #define QEDF_LINK_UP            1
 322         atomic_t link_state;
 323 #define QEDF_DCBX_PENDING       0
 324 #define QEDF_DCBX_DONE          1
 325         atomic_t dcbx;
 326 #define QEDF_NULL_VLAN_ID       -1
 327 #define QEDF_FALLBACK_VLAN      1002
 328 #define QEDF_DEFAULT_PRIO       3
 329         int vlan_id;
 330         u8 prio;
 331         struct qed_dev *cdev;
 332         struct qed_dev_fcoe_info dev_info;
 333         struct qed_int_info int_info;
 334         uint16_t last_command;
 335         spinlock_t hba_lock;
 336         struct pci_dev *pdev;
 337         u64 wwnn;
 338         u64 wwpn;
 339         u8 __aligned(16) mac[ETH_ALEN];
 340         struct list_head fcports;
 341         atomic_t num_offloads;
 342         unsigned int curr_conn_id;
 343         struct workqueue_struct *ll2_recv_wq;
 344         struct workqueue_struct *link_update_wq;
 345         struct devlink *devlink;
 346         struct delayed_work link_update;
 347         struct delayed_work link_recovery;
 348         struct completion flogi_compl;
 349         struct completion fipvlan_compl;
 350
 351         /*
 352          * Used to tell if we're in the window where we are waiting for
 353          * the link to come back up before informting fcoe that the link is
 354          * done.
 355          */
 356         atomic_t link_down_tmo_valid;
 357 #define QEDF_TIMER_INTERVAL             (1 * HZ)
 358         struct timer_list timer; /* One second book keeping timer */
 359 #define QEDF_DRAIN_ACTIVE               1
 360 #define QEDF_LL2_STARTED                2
 361 #define QEDF_UNLOADING                  3
 362 #define QEDF_GRCDUMP_CAPTURE            4
 363 #define QEDF_IN_RECOVERY                5
 364 #define QEDF_DBG_STOP_IO                6
 365 #define QEDF_PROBING                    8
 366 #define QEDF_STAG_IN_PROGRESS           9
 367         unsigned long flags; /* Miscellaneous state flags */
 368         int fipvlan_retries;
 369         u8 num_queues;
 370         struct global_queue **global_queues;
 371         /* Pointer to array of queue structures */
 372         struct qedf_glbl_q_params *p_cpuq;
 373         /* Physical address of array of queue structures */
 374         dma_addr_t hw_p_cpuq;
 375
 376         struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE];
 377         void *bdq_pbl;
 378         dma_addr_t bdq_pbl_dma;
 379         size_t bdq_pbl_mem_size;
 380         void *bdq_pbl_list;
 381         dma_addr_t bdq_pbl_list_dma;
 382         u8 bdq_pbl_list_num_entries;
 383         void __iomem *bdq_primary_prod;
 384         void __iomem *bdq_secondary_prod;
 385         uint16_t bdq_prod_idx;
 386
 387         /* Structure for holding all the fastpath for this qedf_ctx */
 388         struct qedf_fastpath *fp_array;
 389         struct qed_fcoe_tid tasks;
 390         struct qedf_cmd_mgr *cmd_mgr;
 391         /* Holds the PF parameters we pass to qed to start he FCoE function */
 392         struct qed_pf_params pf_params;
 393         /* Used to time middle path ELS and TM commands */
 394         struct workqueue_struct *timer_work_queue;
 395
 396 #define QEDF_IO_WORK_MIN                64
 397         mempool_t *io_mempool;
 398         struct workqueue_struct *dpc_wq;
 399         struct delayed_work recovery_work;
 400         struct delayed_work board_disable_work;
 401         struct delayed_work grcdump_work;
 402         struct delayed_work stag_work;
 403
 404         u32 slow_sge_ios;
 405         u32 fast_sge_ios;
 406
 407         uint8_t *grcdump;
 408         uint32_t grcdump_size;
 409
 410         struct qedf_io_log io_trace_buf[QEDF_IO_TRACE_SIZE];
 411         spinlock_t io_trace_lock;
 412         uint16_t io_trace_idx;
 413
 414         bool stop_io_on_error;
 415
 416         u32 flogi_cnt;
 417         u32 flogi_failed;
 418         u32 flogi_pending;
 419
 420         /* Used for fc statistics */
 421         struct mutex stats_mutex;
 422         u64 input_requests;
 423         u64 output_requests;
 424         u64 control_requests;
 425         u64 packet_aborts;
 426         u64 alloc_failures;
 427         u8 lun_resets;
 428         u8 target_resets;
 429         u8 task_set_fulls;
 430         u8 busy;
 431         /* Used for flush routine */
 432         struct mutex flush_mutex;
 433 };
 434
 435 struct io_bdt {
 436         struct qedf_ioreq *io_req;
 437         struct scsi_sge *bd_tbl;
 438         dma_addr_t bd_tbl_dma;
 439         u16 bd_valid;
 440 };
 441
 442 struct qedf_cmd_mgr {
 443         struct qedf_ctx *qedf;
 444         u16 idx;
 445         struct io_bdt **io_bdt_pool;
 446 #define FCOE_PARAMS_NUM_TASKS           2048
 447         struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS];
 448         spinlock_t lock;
 449         atomic_t free_list_cnt;
 450 };
 451
 452 /* Stolen from qed_cxt_api.h and adapted for qed_fcoe_info
 453  * Usage:
 454  *
 455  * void *ptr;
 456  * ptr = qedf_get_task_mem(&qedf->tasks, 128);
 457  */
 458 static inline void *qedf_get_task_mem(struct qed_fcoe_tid *info, u32 tid)
 459 {
 460         return (void *)(info->blocks[tid / info->num_tids_per_block] +
 461                         (tid % info->num_tids_per_block) * info->size);
 462 }
 463
 464 static inline void qedf_stop_all_io(struct qedf_ctx *qedf)
 465 {
 466         set_bit(QEDF_DBG_STOP_IO, &qedf->flags);
 467 }
 468
 469 /*
 470  * Externs
 471  */
 472
 473 /*
 474  * (QEDF_LOG_NPIV | QEDF_LOG_SESS | QEDF_LOG_LPORT | QEDF_LOG_ELS | QEDF_LOG_MQ
 475  * | QEDF_LOG_IO | QEDF_LOG_UNSOL | QEDF_LOG_SCSI_TM | QEDF_LOG_MP_REQ |
 476  * QEDF_LOG_EVT | QEDF_LOG_CONN | QEDF_LOG_DISC | QEDF_LOG_INFO)
 477  */
 478 #define QEDF_DEFAULT_LOG_MASK           0x3CFB6
 479 extern const struct qed_fcoe_ops *qed_ops;
 480 extern uint qedf_dump_frames;
 481 extern uint qedf_io_tracing;
 482 extern uint qedf_stop_io_on_error;
 483 extern uint qedf_link_down_tmo;
 484 #define QEDF_RETRY_DELAY_MAX            600 /* 60 seconds */
 485 extern bool qedf_retry_delay;
 486 extern uint qedf_debug;
 487
 488 extern struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf);
 489 extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr);
 490 extern int qedf_queuecommand(struct Scsi_Host *host,
 491         struct scsi_cmnd *sc_cmd);
 492 extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb);
 493 extern u8 *qedf_get_src_mac(struct fc_lport *lport);
 494 extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb);
 495 extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf);
 496 extern void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
 497         struct qedf_ioreq *io_req);
 498 extern void qedf_process_warning_compl(struct qedf_ctx *qedf,
 499         struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
 500 extern void qedf_process_error_detect(struct qedf_ctx *qedf,
 501         struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
 502 extern void qedf_flush_active_ios(struct qedf_rport *fcport, u64 lun);
 503 extern void qedf_release_cmd(struct kref *ref);
 504 extern int qedf_initiate_abts(struct qedf_ioreq *io_req,
 505         bool return_scsi_cmd_on_abts);
 506 extern void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
 507         struct qedf_ioreq *io_req);
 508 extern struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport,
 509         u8 cmd_type);
 510
 511 extern const struct attribute_group *qedf_host_groups[];
 512 extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
 513         unsigned int timer_msec);
 514 extern int qedf_init_mp_req(struct qedf_ioreq *io_req);
 515 extern void qedf_init_mp_task(struct qedf_ioreq *io_req,
 516         struct fcoe_task_context *task_ctx, struct fcoe_wqe *sqe);
 517 extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport);
 518 extern void qedf_ring_doorbell(struct qedf_rport *fcport);
 519 extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
 520         struct qedf_ioreq *els_req);
 521 extern int qedf_send_rrq(struct qedf_ioreq *aborted_io_req);
 522 extern int qedf_send_adisc(struct qedf_rport *fcport, struct fc_frame *fp);
 523 extern int qedf_initiate_cleanup(struct qedf_ioreq *io_req,
 524         bool return_scsi_cmd_on_abts);
 525 extern void qedf_process_cleanup_compl(struct qedf_ctx *qedf,
 526         struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
 527 extern int qedf_initiate_tmf(struct fc_rport *rport, u64 lun, u8 tm_flags);
 528 extern void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
 529         struct qedf_ioreq *io_req);
 530 extern void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe);
 531 extern void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
 532         int result);
 533 extern void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id);
 534 extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf);
 535 extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf);
 536 extern void qedf_capture_grc_dump(struct qedf_ctx *qedf);
 537 bool qedf_wait_for_upload(struct qedf_ctx *qedf);
 538 extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx,
 539         struct fcoe_cqe *cqe);
 540 extern void qedf_restart_rport(struct qedf_rport *fcport);
 541 extern int qedf_send_rec(struct qedf_ioreq *orig_io_req);
 542 extern int qedf_post_io_req(struct qedf_rport *fcport,
 543         struct qedf_ioreq *io_req);
 544 extern void qedf_process_seq_cleanup_compl(struct qedf_ctx *qedf,
 545         struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
 546 extern int qedf_send_flogi(struct qedf_ctx *qedf);
 547 extern void qedf_get_protocol_tlv_data(void *dev, void *data);
 548 extern void qedf_fp_io_handler(struct work_struct *work);
 549 extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data);
 550 extern void qedf_wq_grcdump(struct work_struct *work);
 551 void qedf_stag_change_work(struct work_struct *work);
 552 void qedf_ctx_soft_reset(struct fc_lport *lport);
 553 extern void qedf_schedule_hw_err_handler(void *dev,
 554                 enum qed_hw_err_type err_type);
 555
 556 #define FCOE_WORD_TO_BYTE  4
 557 #define QEDF_MAX_TASK_NUM       0xFFFF
 558 #define QL45xxx                 0x165C
 559 #define QL41xxx                 0x8080
 560 #define MAX_CT_PAYLOAD          2048
 561 #define DISCOVERED_PORTS        4
 562 #define NUMBER_OF_PORTS         1
 563
 564 struct fip_vlan {
 565         struct ethhdr eth;
 566         struct fip_header fip;
 567         struct {
 568                 struct fip_mac_desc mac;
 569                 struct fip_wwn_desc wwnn;
 570         } desc;
 571 };
 572
 573 /* SQ/CQ Sizes */
 574 #define GBL_RSVD_TASKS                  16
 575 #define NUM_TASKS_PER_CONNECTION        1024
 576 #define NUM_RW_TASKS_PER_CONNECTION     512
 577 #define FCOE_PARAMS_CQ_NUM_ENTRIES      FCOE_PARAMS_NUM_TASKS
 578
 579 #define FCOE_PARAMS_CMDQ_NUM_ENTRIES    FCOE_PARAMS_NUM_TASKS
 580 #define SQ_NUM_ENTRIES                  NUM_TASKS_PER_CONNECTION
 581
 582 #define QEDF_FCOE_PARAMS_GL_RQ_PI              0
 583 #define QEDF_FCOE_PARAMS_GL_CMD_PI             1
 584
 585 #define QEDF_READ                     (1 << 1)
 586 #define QEDF_WRITE                    (1 << 0)
 587 #define MAX_FIBRE_LUNS                  0xffffffff
 588
 589 #define MIN_NUM_CPUS_MSIX(x)    min_t(u32, x->dev_info.num_cqs, \
 590                                         num_online_cpus())
 591
 592 /*
 593  * PCI function probe defines
 594  */
 595 /* Probe/remove called during normal PCI probe */
 596 #define QEDF_MODE_NORMAL                0
 597 /* Probe/remove called from qed error recovery */
 598 #define QEDF_MODE_RECOVERY              1
 599
 600 #define SUPPORTED_25000baseKR_Full    (1<<27)
 601 #define SUPPORTED_50000baseKR2_Full   (1<<28)
 602 #define SUPPORTED_100000baseKR4_Full  (1<<29)
 603 #define SUPPORTED_100000baseCR4_Full  (1<<30)
 604
 605 #endif