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 606