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 CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status) 95 #define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID (0x1<<0) 96 #define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID (0x1<<1) 97 struct qedf_ioreq { 98 struct list_head link; 99 uint16_t xid; 100 struct scsi_cmnd *sc_cmd; 101 #define QEDF_SCSI_CMD 1 102 #define QEDF_TASK_MGMT_CMD 2 103 #define QEDF_ABTS 3 104 #define QEDF_ELS 4 105 #define QEDF_CLEANUP 5 106 #define QEDF_SEQ_CLEANUP 6 107 u8 cmd_type; 108 #define QEDF_CMD_OUTSTANDING 0x0 109 #define QEDF_CMD_IN_ABORT 0x1 110 #define QEDF_CMD_IN_CLEANUP 0x2 111 #define QEDF_CMD_SRR_SENT 0x3 112 #define QEDF_CMD_DIRTY 0x4 113 #define QEDF_CMD_ERR_SCSI_DONE 0x5 114 u8 io_req_flags; 115 uint8_t tm_flags; 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 extern struct workqueue_struct *qedf_io_wq; 193 194 struct qedf_rport { 195 spinlock_t rport_lock; 196 #define QEDF_RPORT_SESSION_READY 1 197 #define QEDF_RPORT_UPLOADING_CONNECTION 2 198 #define QEDF_RPORT_IN_RESET 3 199 #define QEDF_RPORT_IN_LUN_RESET 4 200 #define QEDF_RPORT_IN_TARGET_RESET 5 201 unsigned long flags; 202 int lun_reset_lun; 203 unsigned long retry_delay_timestamp; 204 struct fc_rport *rport; 205 struct fc_rport_priv *rdata; 206 struct qedf_ctx *qedf; 207 u32 handle; /* Handle from qed */ 208 u32 fw_cid; /* fw_cid from qed */ 209 void __iomem *p_doorbell; 210 /* Send queue management */ 211 atomic_t free_sqes; 212 atomic_t ios_to_queue; 213 atomic_t num_active_ios; 214 struct fcoe_wqe *sq; 215 dma_addr_t sq_dma; 216 u16 sq_prod_idx; 217 u16 fw_sq_prod_idx; 218 u16 sq_con_idx; 219 u32 sq_mem_size; 220 void *sq_pbl; 221 dma_addr_t sq_pbl_dma; 222 u32 sq_pbl_size; 223 u32 sid; 224 #define QEDF_RPORT_TYPE_DISK 0 225 #define QEDF_RPORT_TYPE_TAPE 1 226 uint dev_type; /* Disk or tape */ 227 struct list_head peers; 228 }; 229 230 /* Used to contain LL2 skb's in ll2_skb_list */ 231 struct qedf_skb_work { 232 struct work_struct work; 233 struct sk_buff *skb; 234 struct qedf_ctx *qedf; 235 }; 236 237 struct qedf_fastpath { 238 #define QEDF_SB_ID_NULL 0xffff 239 u16 sb_id; 240 struct qed_sb_info *sb_info; 241 struct qedf_ctx *qedf; 242 /* Keep track of number of completions on this fastpath */ 243 unsigned long completions; 244 uint32_t cq_num_entries; 245 }; 246 247 /* Used to pass fastpath information needed to process CQEs */ 248 struct qedf_io_work { 249 struct work_struct work; 250 struct fcoe_cqe cqe; 251 struct qedf_ctx *qedf; 252 struct fc_frame *fp; 253 }; 254 255 struct qedf_glbl_q_params { 256 u64 hw_p_cq; /* Completion queue PBL */ 257 u64 hw_p_rq; /* Request queue PBL */ 258 u64 hw_p_cmdq; /* Command queue PBL */ 259 }; 260 261 struct global_queue { 262 struct fcoe_cqe *cq; 263 dma_addr_t cq_dma; 264 u32 cq_mem_size; 265 u32 cq_cons_idx; /* Completion queue consumer index */ 266 u32 cq_prod_idx; 267 268 void *cq_pbl; 269 dma_addr_t cq_pbl_dma; 270 u32 cq_pbl_size; 271 }; 272 273 /* I/O tracing entry */ 274 #define QEDF_IO_TRACE_SIZE 2048 275 struct qedf_io_log { 276 #define QEDF_IO_TRACE_REQ 0 277 #define QEDF_IO_TRACE_RSP 1 278 uint8_t direction; 279 uint16_t task_id; 280 uint32_t port_id; /* Remote port fabric ID */ 281 int lun; 282 unsigned char op; /* SCSI CDB */ 283 uint8_t lba[4]; 284 unsigned int bufflen; /* SCSI buffer length */ 285 unsigned int sg_count; /* Number of SG elements */ 286 int result; /* Result passed back to mid-layer */ 287 unsigned long jiffies; /* Time stamp when I/O logged */ 288 int refcount; /* Reference count for task id */ 289 unsigned int req_cpu; /* CPU that the task is queued on */ 290 unsigned int int_cpu; /* Interrupt CPU that the task is received on */ 291 unsigned int rsp_cpu; /* CPU that task is returned on */ 292 u8 sge_type; /* Did we take the slow, single or fast SGE path */ 293 }; 294 295 /* Number of entries in BDQ */ 296 #define QEDF_BDQ_SIZE 256 297 #define QEDF_BDQ_BUF_SIZE 2072 298 299 /* DMA coherent buffers for BDQ */ 300 struct qedf_bdq_buf { 301 void *buf_addr; 302 dma_addr_t buf_dma; 303 }; 304 305 /* Main adapter struct */ 306 struct qedf_ctx { 307 struct qedf_dbg_ctx dbg_ctx; 308 struct fcoe_ctlr ctlr; 309 struct fc_lport *lport; 310 u8 data_src_addr[ETH_ALEN]; 311 #define QEDF_LINK_DOWN 0 312 #define QEDF_LINK_UP 1 313 atomic_t link_state; 314 #define QEDF_DCBX_PENDING 0 315 #define QEDF_DCBX_DONE 1 316 atomic_t dcbx; 317 #define QEDF_NULL_VLAN_ID -1 318 #define QEDF_FALLBACK_VLAN 1002 319 #define QEDF_DEFAULT_PRIO 3 320 int vlan_id; 321 u8 prio; 322 struct qed_dev *cdev; 323 struct qed_dev_fcoe_info dev_info; 324 struct qed_int_info int_info; 325 uint16_t last_command; 326 spinlock_t hba_lock; 327 struct pci_dev *pdev; 328 u64 wwnn; 329 u64 wwpn; 330 u8 __aligned(16) mac[ETH_ALEN]; 331 struct list_head fcports; 332 atomic_t num_offloads; 333 unsigned int curr_conn_id; 334 struct workqueue_struct *ll2_recv_wq; 335 struct workqueue_struct *link_update_wq; 336 struct devlink *devlink; 337 struct delayed_work link_update; 338 struct delayed_work link_recovery; 339 struct completion flogi_compl; 340 struct completion fipvlan_compl; 341 342 /* 343 * Used to tell if we're in the window where we are waiting for 344 * the link to come back up before informting fcoe that the link is 345 * done. 346 */ 347 atomic_t link_down_tmo_valid; 348 #define QEDF_TIMER_INTERVAL (1 * HZ) 349 struct timer_list timer; /* One second book keeping timer */ 350 #define QEDF_DRAIN_ACTIVE 1 351 #define QEDF_LL2_STARTED 2 352 #define QEDF_UNLOADING 3 353 #define QEDF_GRCDUMP_CAPTURE 4 354 #define QEDF_IN_RECOVERY 5 355 #define QEDF_DBG_STOP_IO 6 356 #define QEDF_PROBING 8 357 unsigned long flags; /* Miscellaneous state flags */ 358 int fipvlan_retries; 359 u8 num_queues; 360 struct global_queue **global_queues; 361 /* Pointer to array of queue structures */ 362 struct qedf_glbl_q_params *p_cpuq; 363 /* Physical address of array of queue structures */ 364 dma_addr_t hw_p_cpuq; 365 366 struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE]; 367 void *bdq_pbl; 368 dma_addr_t bdq_pbl_dma; 369 size_t bdq_pbl_mem_size; 370 void *bdq_pbl_list; 371 dma_addr_t bdq_pbl_list_dma; 372 u8 bdq_pbl_list_num_entries; 373 void __iomem *bdq_primary_prod; 374 void __iomem *bdq_secondary_prod; 375 uint16_t bdq_prod_idx; 376 377 /* Structure for holding all the fastpath for this qedf_ctx */ 378 struct qedf_fastpath *fp_array; 379 struct qed_fcoe_tid tasks; 380 struct qedf_cmd_mgr *cmd_mgr; 381 /* Holds the PF parameters we pass to qed to start he FCoE function */ 382 struct qed_pf_params pf_params; 383 /* Used to time middle path ELS and TM commands */ 384 struct workqueue_struct *timer_work_queue; 385 386 #define QEDF_IO_WORK_MIN 64 387 mempool_t *io_mempool; 388 struct workqueue_struct *dpc_wq; 389 struct delayed_work recovery_work; 390 struct delayed_work board_disable_work; 391 struct delayed_work grcdump_work; 392 struct delayed_work stag_work; 393 394 u32 slow_sge_ios; 395 u32 fast_sge_ios; 396 397 uint8_t *grcdump; 398 uint32_t grcdump_size; 399 400 struct qedf_io_log io_trace_buf[QEDF_IO_TRACE_SIZE]; 401 spinlock_t io_trace_lock; 402 uint16_t io_trace_idx; 403 404 bool stop_io_on_error; 405 406 u32 flogi_cnt; 407 u32 flogi_failed; 408 u32 flogi_pending; 409 410 /* Used for fc statistics */ 411 struct mutex stats_mutex; 412 u64 input_requests; 413 u64 output_requests; 414 u64 control_requests; 415 u64 packet_aborts; 416 u64 alloc_failures; 417 u8 lun_resets; 418 u8 target_resets; 419 u8 task_set_fulls; 420 u8 busy; 421 /* Used for flush routine */ 422 struct mutex flush_mutex; 423 }; 424 425 struct io_bdt { 426 struct qedf_ioreq *io_req; 427 struct scsi_sge *bd_tbl; 428 dma_addr_t bd_tbl_dma; 429 u16 bd_valid; 430 }; 431 432 struct qedf_cmd_mgr { 433 struct qedf_ctx *qedf; 434 u16 idx; 435 struct io_bdt **io_bdt_pool; 436 #define FCOE_PARAMS_NUM_TASKS 2048 437 struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS]; 438 spinlock_t lock; 439 atomic_t free_list_cnt; 440 }; 441 442 /* Stolen from qed_cxt_api.h and adapted for qed_fcoe_info 443 * Usage: 444 * 445 * void *ptr; 446 * ptr = qedf_get_task_mem(&qedf->tasks, 128); 447 */ 448 static inline void *qedf_get_task_mem(struct qed_fcoe_tid *info, u32 tid) 449 { 450 return (void *)(info->blocks[tid / info->num_tids_per_block] + 451 (tid % info->num_tids_per_block) * info->size); 452 } 453 454 static inline void qedf_stop_all_io(struct qedf_ctx *qedf) 455 { 456 set_bit(QEDF_DBG_STOP_IO, &qedf->flags); 457 } 458 459 /* 460 * Externs 461 */ 462 463 /* 464 * (QEDF_LOG_NPIV | QEDF_LOG_SESS | QEDF_LOG_LPORT | QEDF_LOG_ELS | QEDF_LOG_MQ 465 * | QEDF_LOG_IO | QEDF_LOG_UNSOL | QEDF_LOG_SCSI_TM | QEDF_LOG_MP_REQ | 466 * QEDF_LOG_EVT | QEDF_LOG_CONN | QEDF_LOG_DISC | QEDF_LOG_INFO) 467 */ 468 #define QEDF_DEFAULT_LOG_MASK 0x3CFB6 469 extern const struct qed_fcoe_ops *qed_ops; 470 extern uint qedf_dump_frames; 471 extern uint qedf_io_tracing; 472 extern uint qedf_stop_io_on_error; 473 extern uint qedf_link_down_tmo; 474 #define QEDF_RETRY_DELAY_MAX 600 /* 60 seconds */ 475 extern bool qedf_retry_delay; 476 extern uint qedf_debug; 477 478 extern struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf); 479 extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr); 480 extern int qedf_queuecommand(struct Scsi_Host *host, 481 struct scsi_cmnd *sc_cmd); 482 extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb); 483 extern u8 *qedf_get_src_mac(struct fc_lport *lport); 484 extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb); 485 extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf); 486 extern void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, 487 struct qedf_ioreq *io_req); 488 extern void qedf_process_warning_compl(struct qedf_ctx *qedf, 489 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); 490 extern void qedf_process_error_detect(struct qedf_ctx *qedf, 491 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); 492 extern void qedf_flush_active_ios(struct qedf_rport *fcport, int lun); 493 extern void qedf_release_cmd(struct kref *ref); 494 extern int qedf_initiate_abts(struct qedf_ioreq *io_req, 495 bool return_scsi_cmd_on_abts); 496 extern void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, 497 struct qedf_ioreq *io_req); 498 extern struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport, 499 u8 cmd_type); 500 501 extern const struct attribute_group *qedf_host_groups[]; 502 extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, 503 unsigned int timer_msec); 504 extern int qedf_init_mp_req(struct qedf_ioreq *io_req); 505 extern void qedf_init_mp_task(struct qedf_ioreq *io_req, 506 struct fcoe_task_context *task_ctx, struct fcoe_wqe *sqe); 507 extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport); 508 extern void qedf_ring_doorbell(struct qedf_rport *fcport); 509 extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, 510 struct qedf_ioreq *els_req); 511 extern int qedf_send_rrq(struct qedf_ioreq *aborted_io_req); 512 extern int qedf_send_adisc(struct qedf_rport *fcport, struct fc_frame *fp); 513 extern int qedf_initiate_cleanup(struct qedf_ioreq *io_req, 514 bool return_scsi_cmd_on_abts); 515 extern void qedf_process_cleanup_compl(struct qedf_ctx *qedf, 516 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); 517 extern int qedf_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags); 518 extern void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, 519 struct qedf_ioreq *io_req); 520 extern void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe); 521 extern void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, 522 int result); 523 extern void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id); 524 extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf); 525 extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf); 526 extern void qedf_capture_grc_dump(struct qedf_ctx *qedf); 527 bool qedf_wait_for_upload(struct qedf_ctx *qedf); 528 extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx, 529 struct fcoe_cqe *cqe); 530 extern void qedf_restart_rport(struct qedf_rport *fcport); 531 extern int qedf_send_rec(struct qedf_ioreq *orig_io_req); 532 extern int qedf_post_io_req(struct qedf_rport *fcport, 533 struct qedf_ioreq *io_req); 534 extern void qedf_process_seq_cleanup_compl(struct qedf_ctx *qedf, 535 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); 536 extern int qedf_send_flogi(struct qedf_ctx *qedf); 537 extern void qedf_get_protocol_tlv_data(void *dev, void *data); 538 extern void qedf_fp_io_handler(struct work_struct *work); 539 extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data); 540 extern void qedf_wq_grcdump(struct work_struct *work); 541 void qedf_stag_change_work(struct work_struct *work); 542 void qedf_ctx_soft_reset(struct fc_lport *lport); 543 extern void qedf_board_disable_work(struct work_struct *work); 544 extern void qedf_schedule_hw_err_handler(void *dev, 545 enum qed_hw_err_type err_type); 546 547 #define FCOE_WORD_TO_BYTE 4 548 #define QEDF_MAX_TASK_NUM 0xFFFF 549 #define QL45xxx 0x165C 550 #define QL41xxx 0x8080 551 #define MAX_CT_PAYLOAD 2048 552 #define DISCOVERED_PORTS 4 553 #define NUMBER_OF_PORTS 1 554 555 struct fip_vlan { 556 struct ethhdr eth; 557 struct fip_header fip; 558 struct { 559 struct fip_mac_desc mac; 560 struct fip_wwn_desc wwnn; 561 } desc; 562 }; 563 564 /* SQ/CQ Sizes */ 565 #define GBL_RSVD_TASKS 16 566 #define NUM_TASKS_PER_CONNECTION 1024 567 #define NUM_RW_TASKS_PER_CONNECTION 512 568 #define FCOE_PARAMS_CQ_NUM_ENTRIES FCOE_PARAMS_NUM_TASKS 569 570 #define FCOE_PARAMS_CMDQ_NUM_ENTRIES FCOE_PARAMS_NUM_TASKS 571 #define SQ_NUM_ENTRIES NUM_TASKS_PER_CONNECTION 572 573 #define QEDF_FCOE_PARAMS_GL_RQ_PI 0 574 #define QEDF_FCOE_PARAMS_GL_CMD_PI 1 575 576 #define QEDF_READ (1 << 1) 577 #define QEDF_WRITE (1 << 0) 578 #define MAX_FIBRE_LUNS 0xffffffff 579 580 #define MIN_NUM_CPUS_MSIX(x) min_t(u32, x->dev_info.num_cqs, \ 581 num_online_cpus()) 582 583 /* 584 * PCI function probe defines 585 */ 586 /* Probe/remove called during normal PCI probe */ 587 #define QEDF_MODE_NORMAL 0 588 /* Probe/remove called from qed error recovery */ 589 #define QEDF_MODE_RECOVERY 1 590 591 #define SUPPORTED_25000baseKR_Full (1<<27) 592 #define SUPPORTED_50000baseKR2_Full (1<<28) 593 #define SUPPORTED_100000baseKR4_Full (1<<29) 594 #define SUPPORTED_100000baseCR4_Full (1<<30) 595 596 #endif 597