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