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 #include <scsi/fc_encode.h> 15 #include <linux/version.h> 16 17 18 /* qedf_hsi.h needs to before included any qed includes */ 19 #include "qedf_hsi.h" 20 21 #include <linux/qed/qed_if.h> 22 #include <linux/qed/qed_fcoe_if.h> 23 #include <linux/qed/qed_ll2_if.h> 24 #include "qedf_version.h" 25 #include "qedf_dbg.h" 26 #include "drv_fcoe_fw_funcs.h" 27 28 /* Helpers to extract upper and lower 32-bits of pointer */ 29 #define U64_HI(val) ((u32)(((u64)(val)) >> 32)) 30 #define U64_LO(val) ((u32)(((u64)(val)) & 0xffffffff)) 31 32 #define QEDF_DESCR "QLogic FCoE Offload Driver" 33 #define QEDF_MODULE_NAME "qedf" 34 35 #define QEDF_FLOGI_RETRY_CNT 3 36 #define QEDF_RPORT_RETRY_CNT 255 37 #define QEDF_MAX_SESSIONS 1024 38 #define QEDF_MAX_PAYLOAD 2048 39 #define QEDF_MAX_BDS_PER_CMD 256 40 #define QEDF_MAX_BD_LEN 0xffff 41 #define QEDF_BD_SPLIT_SZ 0x1000 42 #define QEDF_PAGE_SIZE 4096 43 #define QED_HW_DMA_BOUNDARY 0xfff 44 #define QEDF_MAX_SGLEN_FOR_CACHESGL ((1U << 16) - 1) 45 #define QEDF_MFS (QEDF_MAX_PAYLOAD + \ 46 sizeof(struct fc_frame_header)) 47 #define QEDF_MAX_NPIV 64 48 #define QEDF_TM_TIMEOUT 10 49 #define QEDF_ABORT_TIMEOUT (10 * 1000) 50 #define QEDF_CLEANUP_TIMEOUT 1 51 #define QEDF_MAX_CDB_LEN 16 52 #define QEDF_LL2_BUF_SIZE 2500 /* Buffer size required for LL2 Rx */ 53 54 #define UPSTREAM_REMOVE 1 55 #define UPSTREAM_KEEP 1 56 57 struct qedf_mp_req { 58 uint32_t req_len; 59 void *req_buf; 60 dma_addr_t req_buf_dma; 61 struct scsi_sge *mp_req_bd; 62 dma_addr_t mp_req_bd_dma; 63 struct fc_frame_header req_fc_hdr; 64 65 uint32_t resp_len; 66 void *resp_buf; 67 dma_addr_t resp_buf_dma; 68 struct scsi_sge *mp_resp_bd; 69 dma_addr_t mp_resp_bd_dma; 70 struct fc_frame_header resp_fc_hdr; 71 }; 72 73 struct qedf_els_cb_arg { 74 struct qedf_ioreq *aborted_io_req; 75 struct qedf_ioreq *io_req; 76 u8 op; /* Used to keep track of ELS op */ 77 uint16_t l2_oxid; 78 u32 offset; /* Used for sequence cleanup */ 79 u8 r_ctl; /* Used for sequence cleanup */ 80 }; 81 82 enum qedf_ioreq_event { 83 QEDF_IOREQ_EV_NONE, 84 QEDF_IOREQ_EV_ABORT_SUCCESS, 85 QEDF_IOREQ_EV_ABORT_FAILED, 86 QEDF_IOREQ_EV_SEND_RRQ, 87 QEDF_IOREQ_EV_ELS_TMO, 88 QEDF_IOREQ_EV_ELS_ERR_DETECT, 89 QEDF_IOREQ_EV_ELS_FLUSH, 90 QEDF_IOREQ_EV_CLEANUP_SUCCESS, 91 QEDF_IOREQ_EV_CLEANUP_FAILED, 92 }; 93 94 #define FC_GOOD 0 95 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_OVER (0x1<<2) 96 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_UNDER (0x1<<3) 97 #define CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status) 98 #define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID (0x1<<0) 99 #define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID (0x1<<1) 100 struct qedf_ioreq { 101 struct list_head link; 102 uint16_t xid; 103 struct scsi_cmnd *sc_cmd; 104 #define QEDF_SCSI_CMD 1 105 #define QEDF_TASK_MGMT_CMD 2 106 #define QEDF_ABTS 3 107 #define QEDF_ELS 4 108 #define QEDF_CLEANUP 5 109 #define QEDF_SEQ_CLEANUP 6 110 u8 cmd_type; 111 #define QEDF_CMD_OUTSTANDING 0x0 112 #define QEDF_CMD_IN_ABORT 0x1 113 #define QEDF_CMD_IN_CLEANUP 0x2 114 #define QEDF_CMD_SRR_SENT 0x3 115 #define QEDF_CMD_DIRTY 0x4 116 #define QEDF_CMD_ERR_SCSI_DONE 0x5 117 u8 io_req_flags; 118 uint8_t tm_flags; 119 struct qedf_rport *fcport; 120 #define QEDF_CMD_ST_INACTIVE 0 121 #define QEDFC_CMD_ST_IO_ACTIVE 1 122 #define QEDFC_CMD_ST_ABORT_ACTIVE 2 123 #define QEDFC_CMD_ST_ABORT_ACTIVE_EH 3 124 #define QEDFC_CMD_ST_CLEANUP_ACTIVE 4 125 #define QEDFC_CMD_ST_CLEANUP_ACTIVE_EH 5 126 #define QEDFC_CMD_ST_RRQ_ACTIVE 6 127 #define QEDFC_CMD_ST_RRQ_WAIT 7 128 #define QEDFC_CMD_ST_OXID_RETIRE_WAIT 8 129 #define QEDFC_CMD_ST_TMF_ACTIVE 9 130 #define QEDFC_CMD_ST_DRAIN_ACTIVE 10 131 #define QEDFC_CMD_ST_CLEANED 11 132 #define QEDFC_CMD_ST_ELS_ACTIVE 12 133 atomic_t state; 134 unsigned long flags; 135 enum qedf_ioreq_event event; 136 size_t data_xfer_len; 137 /* ID: 001: Alloc cmd (qedf_alloc_cmd) */ 138 /* ID: 002: Initiate ABTS (qedf_initiate_abts) */ 139 /* ID: 003: For RRQ (qedf_process_abts_compl) */ 140 struct kref refcount; 141 struct qedf_cmd_mgr *cmd_mgr; 142 struct io_bdt *bd_tbl; 143 struct delayed_work timeout_work; 144 struct completion tm_done; 145 struct completion abts_done; 146 struct completion cleanup_done; 147 struct e4_fcoe_task_context *task; 148 struct fcoe_task_params *task_params; 149 struct scsi_sgl_task_params *sgl_task_params; 150 int idx; 151 int lun; 152 /* 153 * Need to allocate enough room for both sense data and FCP response data 154 * which has a max length of 8 bytes according to spec. 155 */ 156 #define QEDF_SCSI_SENSE_BUFFERSIZE (SCSI_SENSE_BUFFERSIZE + 8) 157 uint8_t *sense_buffer; 158 dma_addr_t sense_buffer_dma; 159 u32 fcp_resid; 160 u32 fcp_rsp_len; 161 u32 fcp_sns_len; 162 u8 cdb_status; 163 u8 fcp_status; 164 u8 fcp_rsp_code; 165 u8 scsi_comp_flags; 166 #define QEDF_MAX_REUSE 0xfff 167 u16 reuse_count; 168 struct qedf_mp_req mp_req; 169 void (*cb_func)(struct qedf_els_cb_arg *cb_arg); 170 struct qedf_els_cb_arg *cb_arg; 171 int fp_idx; 172 unsigned int cpu; 173 unsigned int int_cpu; 174 #define QEDF_IOREQ_UNKNOWN_SGE 1 175 #define QEDF_IOREQ_SLOW_SGE 2 176 #define QEDF_IOREQ_FAST_SGE 3 177 u8 sge_type; 178 struct delayed_work rrq_work; 179 180 /* Used for sequence level recovery; i.e. REC/SRR */ 181 uint32_t rx_buf_off; 182 uint32_t tx_buf_off; 183 uint32_t rx_id; 184 uint32_t task_retry_identifier; 185 186 /* 187 * Used to tell if we need to return a SCSI command 188 * during some form of error processing. 189 */ 190 bool return_scsi_cmd_on_abts; 191 192 unsigned int alloc; 193 }; 194 195 extern struct workqueue_struct *qedf_io_wq; 196 197 struct qedf_rport { 198 spinlock_t rport_lock; 199 #define QEDF_RPORT_SESSION_READY 1 200 #define QEDF_RPORT_UPLOADING_CONNECTION 2 201 #define QEDF_RPORT_IN_RESET 3 202 #define QEDF_RPORT_IN_LUN_RESET 4 203 #define QEDF_RPORT_IN_TARGET_RESET 5 204 unsigned long flags; 205 int lun_reset_lun; 206 unsigned long retry_delay_timestamp; 207 struct fc_rport *rport; 208 struct fc_rport_priv *rdata; 209 struct qedf_ctx *qedf; 210 u32 handle; /* Handle from qed */ 211 u32 fw_cid; /* fw_cid from qed */ 212 void __iomem *p_doorbell; 213 /* Send queue management */ 214 atomic_t free_sqes; 215 atomic_t ios_to_queue; 216 atomic_t num_active_ios; 217 struct fcoe_wqe *sq; 218 dma_addr_t sq_dma; 219 u16 sq_prod_idx; 220 u16 fw_sq_prod_idx; 221 u16 sq_con_idx; 222 u32 sq_mem_size; 223 void *sq_pbl; 224 dma_addr_t sq_pbl_dma; 225 u32 sq_pbl_size; 226 u32 sid; 227 #define QEDF_RPORT_TYPE_DISK 0 228 #define QEDF_RPORT_TYPE_TAPE 1 229 uint dev_type; /* Disk or tape */ 230 struct list_head peers; 231 }; 232 233 /* Used to contain LL2 skb's in ll2_skb_list */ 234 struct qedf_skb_work { 235 struct work_struct work; 236 struct sk_buff *skb; 237 struct qedf_ctx *qedf; 238 }; 239 240 struct qedf_fastpath { 241 #define QEDF_SB_ID_NULL 0xffff 242 u16 sb_id; 243 struct qed_sb_info *sb_info; 244 struct qedf_ctx *qedf; 245 /* Keep track of number of completions on this fastpath */ 246 unsigned long completions; 247 uint32_t cq_num_entries; 248 }; 249 250 /* Used to pass fastpath information needed to process CQEs */ 251 struct qedf_io_work { 252 struct work_struct work; 253 struct fcoe_cqe cqe; 254 struct qedf_ctx *qedf; 255 struct fc_frame *fp; 256 }; 257 258 struct qedf_glbl_q_params { 259 u64 hw_p_cq; /* Completion queue PBL */ 260 u64 hw_p_rq; /* Request queue PBL */ 261 u64 hw_p_cmdq; /* Command queue PBL */ 262 }; 263 264 struct global_queue { 265 struct fcoe_cqe *cq; 266 dma_addr_t cq_dma; 267 u32 cq_mem_size; 268 u32 cq_cons_idx; /* Completion queue consumer index */ 269 u32 cq_prod_idx; 270 271 void *cq_pbl; 272 dma_addr_t cq_pbl_dma; 273 u32 cq_pbl_size; 274 }; 275 276 /* I/O tracing entry */ 277 #define QEDF_IO_TRACE_SIZE 2048 278 struct qedf_io_log { 279 #define QEDF_IO_TRACE_REQ 0 280 #define QEDF_IO_TRACE_RSP 1 281 uint8_t direction; 282 uint16_t task_id; 283 uint32_t port_id; /* Remote port fabric ID */ 284 int lun; 285 unsigned char op; /* SCSI CDB */ 286 uint8_t lba[4]; 287 unsigned int bufflen; /* SCSI buffer length */ 288 unsigned int sg_count; /* Number of SG elements */ 289 int result; /* Result passed back to mid-layer */ 290 unsigned long jiffies; /* Time stamp when I/O logged */ 291 int refcount; /* Reference count for task id */ 292 unsigned int req_cpu; /* CPU that the task is queued on */ 293 unsigned int int_cpu; /* Interrupt CPU that the task is received on */ 294 unsigned int rsp_cpu; /* CPU that task is returned on */ 295 u8 sge_type; /* Did we take the slow, single or fast SGE path */ 296 }; 297 298 /* Number of entries in BDQ */ 299 #define QEDF_BDQ_SIZE 256 300 #define QEDF_BDQ_BUF_SIZE 2072 301 302 /* DMA coherent buffers for BDQ */ 303 struct qedf_bdq_buf { 304 void *buf_addr; 305 dma_addr_t buf_dma; 306 }; 307 308 /* Main adapter struct */ 309 struct qedf_ctx { 310 struct qedf_dbg_ctx dbg_ctx; 311 struct fcoe_ctlr ctlr; 312 struct fc_lport *lport; 313 u8 data_src_addr[ETH_ALEN]; 314 #define QEDF_LINK_DOWN 0 315 #define QEDF_LINK_UP 1 316 atomic_t link_state; 317 #define QEDF_DCBX_PENDING 0 318 #define QEDF_DCBX_DONE 1 319 atomic_t dcbx; 320 #define QEDF_NULL_VLAN_ID -1 321 #define QEDF_FALLBACK_VLAN 1002 322 #define QEDF_DEFAULT_PRIO 3 323 int vlan_id; 324 u8 prio; 325 struct qed_dev *cdev; 326 struct qed_dev_fcoe_info dev_info; 327 struct qed_int_info int_info; 328 uint16_t last_command; 329 spinlock_t hba_lock; 330 struct pci_dev *pdev; 331 u64 wwnn; 332 u64 wwpn; 333 u8 __aligned(16) mac[ETH_ALEN]; 334 struct list_head fcports; 335 atomic_t num_offloads; 336 unsigned int curr_conn_id; 337 struct workqueue_struct *ll2_recv_wq; 338 struct workqueue_struct *link_update_wq; 339 struct delayed_work link_update; 340 struct delayed_work link_recovery; 341 struct completion flogi_compl; 342 struct completion fipvlan_compl; 343 344 /* 345 * Used to tell if we're in the window where we are waiting for 346 * the link to come back up before informting fcoe that the link is 347 * done. 348 */ 349 atomic_t link_down_tmo_valid; 350 #define QEDF_TIMER_INTERVAL (1 * HZ) 351 struct timer_list timer; /* One second book keeping timer */ 352 #define QEDF_DRAIN_ACTIVE 1 353 #define QEDF_LL2_STARTED 2 354 #define QEDF_UNLOADING 3 355 #define QEDF_GRCDUMP_CAPTURE 4 356 #define QEDF_IN_RECOVERY 5 357 #define QEDF_DBG_STOP_IO 6 358 unsigned long flags; /* Miscellaneous state flags */ 359 int fipvlan_retries; 360 u8 num_queues; 361 struct global_queue **global_queues; 362 /* Pointer to array of queue structures */ 363 struct qedf_glbl_q_params *p_cpuq; 364 /* Physical address of array of queue structures */ 365 dma_addr_t hw_p_cpuq; 366 367 struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE]; 368 void *bdq_pbl; 369 dma_addr_t bdq_pbl_dma; 370 size_t bdq_pbl_mem_size; 371 void *bdq_pbl_list; 372 dma_addr_t bdq_pbl_list_dma; 373 u8 bdq_pbl_list_num_entries; 374 void __iomem *bdq_primary_prod; 375 void __iomem *bdq_secondary_prod; 376 uint16_t bdq_prod_idx; 377 378 /* Structure for holding all the fastpath for this qedf_ctx */ 379 struct qedf_fastpath *fp_array; 380 struct qed_fcoe_tid tasks; 381 struct qedf_cmd_mgr *cmd_mgr; 382 /* Holds the PF parameters we pass to qed to start he FCoE function */ 383 struct qed_pf_params pf_params; 384 /* Used to time middle path ELS and TM commands */ 385 struct workqueue_struct *timer_work_queue; 386 387 #define QEDF_IO_WORK_MIN 64 388 mempool_t *io_mempool; 389 struct workqueue_struct *dpc_wq; 390 struct delayed_work grcdump_work; 391 struct delayed_work stag_work; 392 393 u32 slow_sge_ios; 394 u32 fast_sge_ios; 395 396 uint8_t *grcdump; 397 uint32_t grcdump_size; 398 399 struct qedf_io_log io_trace_buf[QEDF_IO_TRACE_SIZE]; 400 spinlock_t io_trace_lock; 401 uint16_t io_trace_idx; 402 403 bool stop_io_on_error; 404 405 u32 flogi_cnt; 406 u32 flogi_failed; 407 u32 flogi_pending; 408 409 /* Used for fc statistics */ 410 struct mutex stats_mutex; 411 u64 input_requests; 412 u64 output_requests; 413 u64 control_requests; 414 u64 packet_aborts; 415 u64 alloc_failures; 416 u8 lun_resets; 417 u8 target_resets; 418 u8 task_set_fulls; 419 u8 busy; 420 /* Used for flush routine */ 421 struct mutex flush_mutex; 422 }; 423 424 struct io_bdt { 425 struct qedf_ioreq *io_req; 426 struct scsi_sge *bd_tbl; 427 dma_addr_t bd_tbl_dma; 428 u16 bd_valid; 429 }; 430 431 struct qedf_cmd_mgr { 432 struct qedf_ctx *qedf; 433 u16 idx; 434 struct io_bdt **io_bdt_pool; 435 #define FCOE_PARAMS_NUM_TASKS 2048 436 struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS]; 437 spinlock_t lock; 438 atomic_t free_list_cnt; 439 }; 440 441 /* Stolen from qed_cxt_api.h and adapted for qed_fcoe_info 442 * Usage: 443 * 444 * void *ptr; 445 * ptr = qedf_get_task_mem(&qedf->tasks, 128); 446 */ 447 static inline void *qedf_get_task_mem(struct qed_fcoe_tid *info, u32 tid) 448 { 449 return (void *)(info->blocks[tid / info->num_tids_per_block] + 450 (tid % info->num_tids_per_block) * info->size); 451 } 452 453 static inline void qedf_stop_all_io(struct qedf_ctx *qedf) 454 { 455 set_bit(QEDF_DBG_STOP_IO, &qedf->flags); 456 } 457 458 /* 459 * Externs 460 */ 461 462 /* 463 * (QEDF_LOG_NPIV | QEDF_LOG_SESS | QEDF_LOG_LPORT | QEDF_LOG_ELS | QEDF_LOG_MQ 464 * | QEDF_LOG_IO | QEDF_LOG_UNSOL | QEDF_LOG_SCSI_TM | QEDF_LOG_MP_REQ | 465 * QEDF_LOG_EVT | QEDF_LOG_CONN | QEDF_LOG_DISC | QEDF_LOG_INFO) 466 */ 467 #define QEDF_DEFAULT_LOG_MASK 0x3CFB6 468 extern const struct qed_fcoe_ops *qed_ops; 469 extern uint qedf_dump_frames; 470 extern uint qedf_io_tracing; 471 extern uint qedf_stop_io_on_error; 472 extern uint qedf_link_down_tmo; 473 #define QEDF_RETRY_DELAY_MAX 20 /* 2 seconds */ 474 extern bool qedf_retry_delay; 475 extern uint qedf_debug; 476 477 extern struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf); 478 extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr); 479 extern int qedf_queuecommand(struct Scsi_Host *host, 480 struct scsi_cmnd *sc_cmd); 481 extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb); 482 extern u8 *qedf_get_src_mac(struct fc_lport *lport); 483 extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb); 484 extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf); 485 extern void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, 486 struct qedf_ioreq *io_req); 487 extern void qedf_process_warning_compl(struct qedf_ctx *qedf, 488 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); 489 extern void qedf_process_error_detect(struct qedf_ctx *qedf, 490 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); 491 extern void qedf_flush_active_ios(struct qedf_rport *fcport, int lun); 492 extern void qedf_release_cmd(struct kref *ref); 493 extern int qedf_initiate_abts(struct qedf_ioreq *io_req, 494 bool return_scsi_cmd_on_abts); 495 extern void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, 496 struct qedf_ioreq *io_req); 497 extern struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport, 498 u8 cmd_type); 499 500 extern struct device_attribute *qedf_host_attrs[]; 501 extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, 502 unsigned int timer_msec); 503 extern int qedf_init_mp_req(struct qedf_ioreq *io_req); 504 extern void qedf_init_mp_task(struct qedf_ioreq *io_req, 505 struct e4_fcoe_task_context *task_ctx, struct fcoe_wqe *sqe); 506 extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport); 507 extern void qedf_ring_doorbell(struct qedf_rport *fcport); 508 extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, 509 struct qedf_ioreq *els_req); 510 extern int qedf_send_rrq(struct qedf_ioreq *aborted_io_req); 511 extern int qedf_send_adisc(struct qedf_rport *fcport, struct fc_frame *fp); 512 extern int qedf_initiate_cleanup(struct qedf_ioreq *io_req, 513 bool return_scsi_cmd_on_abts); 514 extern void qedf_process_cleanup_compl(struct qedf_ctx *qedf, 515 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); 516 extern int qedf_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags); 517 extern void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, 518 struct qedf_ioreq *io_req); 519 extern void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe); 520 extern void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, 521 int result); 522 extern void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id); 523 extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf); 524 extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf); 525 extern void qedf_capture_grc_dump(struct qedf_ctx *qedf); 526 bool qedf_wait_for_upload(struct qedf_ctx *qedf); 527 extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx, 528 struct fcoe_cqe *cqe); 529 extern void qedf_restart_rport(struct qedf_rport *fcport); 530 extern int qedf_send_rec(struct qedf_ioreq *orig_io_req); 531 extern int qedf_post_io_req(struct qedf_rport *fcport, 532 struct qedf_ioreq *io_req); 533 extern void qedf_process_seq_cleanup_compl(struct qedf_ctx *qedf, 534 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); 535 extern int qedf_send_flogi(struct qedf_ctx *qedf); 536 extern void qedf_get_protocol_tlv_data(void *dev, void *data); 537 extern void qedf_fp_io_handler(struct work_struct *work); 538 extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data); 539 extern void qedf_wq_grcdump(struct work_struct *work); 540 void qedf_stag_change_work(struct work_struct *work); 541 void qedf_ctx_soft_reset(struct fc_lport *lport); 542 543 #define FCOE_WORD_TO_BYTE 4 544 #define QEDF_MAX_TASK_NUM 0xFFFF 545 546 struct fip_vlan { 547 struct ethhdr eth; 548 struct fip_header fip; 549 struct { 550 struct fip_mac_desc mac; 551 struct fip_wwn_desc wwnn; 552 } desc; 553 }; 554 555 /* SQ/CQ Sizes */ 556 #define GBL_RSVD_TASKS 16 557 #define NUM_TASKS_PER_CONNECTION 1024 558 #define NUM_RW_TASKS_PER_CONNECTION 512 559 #define FCOE_PARAMS_CQ_NUM_ENTRIES FCOE_PARAMS_NUM_TASKS 560 561 #define FCOE_PARAMS_CMDQ_NUM_ENTRIES FCOE_PARAMS_NUM_TASKS 562 #define SQ_NUM_ENTRIES NUM_TASKS_PER_CONNECTION 563 564 #define QEDF_FCOE_PARAMS_GL_RQ_PI 0 565 #define QEDF_FCOE_PARAMS_GL_CMD_PI 1 566 567 #define QEDF_READ (1 << 1) 568 #define QEDF_WRITE (1 << 0) 569 #define MAX_FIBRE_LUNS 0xffffffff 570 571 #define MIN_NUM_CPUS_MSIX(x) min_t(u32, x->dev_info.num_cqs, \ 572 num_online_cpus()) 573 574 /* 575 * PCI function probe defines 576 */ 577 /* Probe/remove called during normal PCI probe */ 578 #define QEDF_MODE_NORMAL 0 579 /* Probe/remove called from qed error recovery */ 580 #define QEDF_MODE_RECOVERY 1 581 582 #define SUPPORTED_25000baseKR_Full (1<<27) 583 #define SUPPORTED_50000baseKR2_Full (1<<28) 584 #define SUPPORTED_100000baseKR4_Full (1<<29) 585 #define SUPPORTED_100000baseCR4_Full (1<<30) 586 587 #endif 588