1 /* 2 * QLogic FCoE Offload Driver 3 * Copyright (c) 2016-2018 Cavium Inc. 4 * 5 * This software is available under the terms of the GNU General Public License 6 * (GPL) Version 2, available from the file COPYING in the main directory of 7 * this source tree. 8 */ 9 #ifndef _QEDFC_H_ 10 #define _QEDFC_H_ 11 12 #include <scsi/libfcoe.h> 13 #include <scsi/libfc.h> 14 #include <scsi/fc/fc_fip.h> 15 #include <scsi/fc/fc_fc2.h> 16 #include <scsi/scsi_tcq.h> 17 #include <scsi/fc_encode.h> 18 #include <linux/version.h> 19 20 21 /* qedf_hsi.h needs to before included any qed includes */ 22 #include "qedf_hsi.h" 23 24 #include <linux/qed/qed_if.h> 25 #include <linux/qed/qed_fcoe_if.h> 26 #include <linux/qed/qed_ll2_if.h> 27 #include "qedf_version.h" 28 #include "qedf_dbg.h" 29 #include "drv_fcoe_fw_funcs.h" 30 31 /* Helpers to extract upper and lower 32-bits of pointer */ 32 #define U64_HI(val) ((u32)(((u64)(val)) >> 32)) 33 #define U64_LO(val) ((u32)(((u64)(val)) & 0xffffffff)) 34 35 #define QEDF_DESCR "QLogic FCoE Offload Driver" 36 #define QEDF_MODULE_NAME "qedf" 37 38 #define QEDF_FLOGI_RETRY_CNT 3 39 #define QEDF_RPORT_RETRY_CNT 255 40 #define QEDF_MAX_SESSIONS 1024 41 #define QEDF_MAX_PAYLOAD 2048 42 #define QEDF_MAX_BDS_PER_CMD 256 43 #define QEDF_MAX_BD_LEN 0xffff 44 #define QEDF_BD_SPLIT_SZ 0x1000 45 #define QEDF_PAGE_SIZE 4096 46 #define QED_HW_DMA_BOUNDARY 0xfff 47 #define QEDF_MAX_SGLEN_FOR_CACHESGL ((1U << 16) - 1) 48 #define QEDF_MFS (QEDF_MAX_PAYLOAD + \ 49 sizeof(struct fc_frame_header)) 50 #define QEDF_MAX_NPIV 64 51 #define QEDF_TM_TIMEOUT 10 52 #define QEDF_ABORT_TIMEOUT (10 * 1000) 53 #define QEDF_CLEANUP_TIMEOUT 1 54 #define QEDF_MAX_CDB_LEN 16 55 56 #define UPSTREAM_REMOVE 1 57 #define UPSTREAM_KEEP 1 58 59 struct qedf_mp_req { 60 uint32_t req_len; 61 void *req_buf; 62 dma_addr_t req_buf_dma; 63 struct scsi_sge *mp_req_bd; 64 dma_addr_t mp_req_bd_dma; 65 struct fc_frame_header req_fc_hdr; 66 67 uint32_t resp_len; 68 void *resp_buf; 69 dma_addr_t resp_buf_dma; 70 struct scsi_sge *mp_resp_bd; 71 dma_addr_t mp_resp_bd_dma; 72 struct fc_frame_header resp_fc_hdr; 73 }; 74 75 struct qedf_els_cb_arg { 76 struct qedf_ioreq *aborted_io_req; 77 struct qedf_ioreq *io_req; 78 u8 op; /* Used to keep track of ELS op */ 79 uint16_t l2_oxid; 80 u32 offset; /* Used for sequence cleanup */ 81 u8 r_ctl; /* Used for sequence cleanup */ 82 }; 83 84 enum qedf_ioreq_event { 85 QEDF_IOREQ_EV_NONE, 86 QEDF_IOREQ_EV_ABORT_SUCCESS, 87 QEDF_IOREQ_EV_ABORT_FAILED, 88 QEDF_IOREQ_EV_SEND_RRQ, 89 QEDF_IOREQ_EV_ELS_TMO, 90 QEDF_IOREQ_EV_ELS_ERR_DETECT, 91 QEDF_IOREQ_EV_ELS_FLUSH, 92 QEDF_IOREQ_EV_CLEANUP_SUCCESS, 93 QEDF_IOREQ_EV_CLEANUP_FAILED, 94 }; 95 96 #define FC_GOOD 0 97 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_OVER (0x1<<2) 98 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_UNDER (0x1<<3) 99 #define CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status) 100 #define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID (0x1<<0) 101 #define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID (0x1<<1) 102 struct qedf_ioreq { 103 struct list_head link; 104 uint16_t xid; 105 struct scsi_cmnd *sc_cmd; 106 #define QEDF_SCSI_CMD 1 107 #define QEDF_TASK_MGMT_CMD 2 108 #define QEDF_ABTS 3 109 #define QEDF_ELS 4 110 #define QEDF_CLEANUP 5 111 #define QEDF_SEQ_CLEANUP 6 112 u8 cmd_type; 113 #define QEDF_CMD_OUTSTANDING 0x0 114 #define QEDF_CMD_IN_ABORT 0x1 115 #define QEDF_CMD_IN_CLEANUP 0x2 116 #define QEDF_CMD_SRR_SENT 0x3 117 #define QEDF_CMD_DIRTY 0x4 118 #define QEDF_CMD_ERR_SCSI_DONE 0x5 119 u8 io_req_flags; 120 uint8_t tm_flags; 121 struct qedf_rport *fcport; 122 #define QEDF_CMD_ST_INACTIVE 0 123 #define QEDFC_CMD_ST_IO_ACTIVE 1 124 #define QEDFC_CMD_ST_ABORT_ACTIVE 2 125 #define QEDFC_CMD_ST_ABORT_ACTIVE_EH 3 126 #define QEDFC_CMD_ST_CLEANUP_ACTIVE 4 127 #define QEDFC_CMD_ST_CLEANUP_ACTIVE_EH 5 128 #define QEDFC_CMD_ST_RRQ_ACTIVE 6 129 #define QEDFC_CMD_ST_RRQ_WAIT 7 130 #define QEDFC_CMD_ST_OXID_RETIRE_WAIT 8 131 #define QEDFC_CMD_ST_TMF_ACTIVE 9 132 #define QEDFC_CMD_ST_DRAIN_ACTIVE 10 133 #define QEDFC_CMD_ST_CLEANED 11 134 #define QEDFC_CMD_ST_ELS_ACTIVE 12 135 atomic_t state; 136 unsigned long flags; 137 enum qedf_ioreq_event event; 138 size_t data_xfer_len; 139 /* ID: 001: Alloc cmd (qedf_alloc_cmd) */ 140 /* ID: 002: Initiate ABTS (qedf_initiate_abts) */ 141 /* ID: 003: For RRQ (qedf_process_abts_compl) */ 142 struct kref refcount; 143 struct qedf_cmd_mgr *cmd_mgr; 144 struct io_bdt *bd_tbl; 145 struct delayed_work timeout_work; 146 struct completion tm_done; 147 struct completion abts_done; 148 struct completion cleanup_done; 149 struct e4_fcoe_task_context *task; 150 struct fcoe_task_params *task_params; 151 struct scsi_sgl_task_params *sgl_task_params; 152 int idx; 153 int lun; 154 /* 155 * Need to allocate enough room for both sense data and FCP response data 156 * which has a max length of 8 bytes according to spec. 157 */ 158 #define QEDF_SCSI_SENSE_BUFFERSIZE (SCSI_SENSE_BUFFERSIZE + 8) 159 uint8_t *sense_buffer; 160 dma_addr_t sense_buffer_dma; 161 u32 fcp_resid; 162 u32 fcp_rsp_len; 163 u32 fcp_sns_len; 164 u8 cdb_status; 165 u8 fcp_status; 166 u8 fcp_rsp_code; 167 u8 scsi_comp_flags; 168 #define QEDF_MAX_REUSE 0xfff 169 u16 reuse_count; 170 struct qedf_mp_req mp_req; 171 void (*cb_func)(struct qedf_els_cb_arg *cb_arg); 172 struct qedf_els_cb_arg *cb_arg; 173 int fp_idx; 174 unsigned int cpu; 175 unsigned int int_cpu; 176 #define QEDF_IOREQ_UNKNOWN_SGE 1 177 #define QEDF_IOREQ_SLOW_SGE 2 178 #define QEDF_IOREQ_FAST_SGE 3 179 u8 sge_type; 180 struct delayed_work rrq_work; 181 182 /* Used for sequence level recovery; i.e. REC/SRR */ 183 uint32_t rx_buf_off; 184 uint32_t tx_buf_off; 185 uint32_t rx_id; 186 uint32_t task_retry_identifier; 187 188 /* 189 * Used to tell if we need to return a SCSI command 190 * during some form of error processing. 191 */ 192 bool return_scsi_cmd_on_abts; 193 194 unsigned int alloc; 195 }; 196 197 extern struct workqueue_struct *qedf_io_wq; 198 199 struct qedf_rport { 200 spinlock_t rport_lock; 201 #define QEDF_RPORT_SESSION_READY 1 202 #define QEDF_RPORT_UPLOADING_CONNECTION 2 203 #define QEDF_RPORT_IN_RESET 3 204 #define QEDF_RPORT_IN_LUN_RESET 4 205 #define QEDF_RPORT_IN_TARGET_RESET 5 206 unsigned long flags; 207 int lun_reset_lun; 208 unsigned long retry_delay_timestamp; 209 struct fc_rport *rport; 210 struct fc_rport_priv *rdata; 211 struct qedf_ctx *qedf; 212 u32 handle; /* Handle from qed */ 213 u32 fw_cid; /* fw_cid from qed */ 214 void __iomem *p_doorbell; 215 /* Send queue management */ 216 atomic_t free_sqes; 217 atomic_t ios_to_queue; 218 atomic_t num_active_ios; 219 struct fcoe_wqe *sq; 220 dma_addr_t sq_dma; 221 u16 sq_prod_idx; 222 u16 fw_sq_prod_idx; 223 u16 sq_con_idx; 224 u32 sq_mem_size; 225 void *sq_pbl; 226 dma_addr_t sq_pbl_dma; 227 u32 sq_pbl_size; 228 u32 sid; 229 #define QEDF_RPORT_TYPE_DISK 0 230 #define QEDF_RPORT_TYPE_TAPE 1 231 uint dev_type; /* Disk or tape */ 232 struct list_head peers; 233 }; 234 235 /* Used to contain LL2 skb's in ll2_skb_list */ 236 struct qedf_skb_work { 237 struct work_struct work; 238 struct sk_buff *skb; 239 struct qedf_ctx *qedf; 240 }; 241 242 struct qedf_fastpath { 243 #define QEDF_SB_ID_NULL 0xffff 244 u16 sb_id; 245 struct qed_sb_info *sb_info; 246 struct qedf_ctx *qedf; 247 /* Keep track of number of completions on this fastpath */ 248 unsigned long completions; 249 uint32_t cq_num_entries; 250 }; 251 252 /* Used to pass fastpath information needed to process CQEs */ 253 struct qedf_io_work { 254 struct work_struct work; 255 struct fcoe_cqe cqe; 256 struct qedf_ctx *qedf; 257 struct fc_frame *fp; 258 }; 259 260 struct qedf_glbl_q_params { 261 u64 hw_p_cq; /* Completion queue PBL */ 262 u64 hw_p_rq; /* Request queue PBL */ 263 u64 hw_p_cmdq; /* Command queue PBL */ 264 }; 265 266 struct global_queue { 267 struct fcoe_cqe *cq; 268 dma_addr_t cq_dma; 269 u32 cq_mem_size; 270 u32 cq_cons_idx; /* Completion queue consumer index */ 271 u32 cq_prod_idx; 272 273 void *cq_pbl; 274 dma_addr_t cq_pbl_dma; 275 u32 cq_pbl_size; 276 }; 277 278 /* I/O tracing entry */ 279 #define QEDF_IO_TRACE_SIZE 2048 280 struct qedf_io_log { 281 #define QEDF_IO_TRACE_REQ 0 282 #define QEDF_IO_TRACE_RSP 1 283 uint8_t direction; 284 uint16_t task_id; 285 uint32_t port_id; /* Remote port fabric ID */ 286 int lun; 287 unsigned char op; /* SCSI CDB */ 288 uint8_t lba[4]; 289 unsigned int bufflen; /* SCSI buffer length */ 290 unsigned int sg_count; /* Number of SG elements */ 291 int result; /* Result passed back to mid-layer */ 292 unsigned long jiffies; /* Time stamp when I/O logged */ 293 int refcount; /* Reference count for task id */ 294 unsigned int req_cpu; /* CPU that the task is queued on */ 295 unsigned int int_cpu; /* Interrupt CPU that the task is received on */ 296 unsigned int rsp_cpu; /* CPU that task is returned on */ 297 u8 sge_type; /* Did we take the slow, single or fast SGE path */ 298 }; 299 300 /* Number of entries in BDQ */ 301 #define QEDF_BDQ_SIZE 256 302 #define QEDF_BDQ_BUF_SIZE 2072 303 304 /* DMA coherent buffers for BDQ */ 305 struct qedf_bdq_buf { 306 void *buf_addr; 307 dma_addr_t buf_dma; 308 }; 309 310 /* Main adapter struct */ 311 struct qedf_ctx { 312 struct qedf_dbg_ctx dbg_ctx; 313 struct fcoe_ctlr ctlr; 314 struct fc_lport *lport; 315 u8 data_src_addr[ETH_ALEN]; 316 #define QEDF_LINK_DOWN 0 317 #define QEDF_LINK_UP 1 318 atomic_t link_state; 319 #define QEDF_DCBX_PENDING 0 320 #define QEDF_DCBX_DONE 1 321 atomic_t dcbx; 322 #define QEDF_NULL_VLAN_ID -1 323 #define QEDF_FALLBACK_VLAN 1002 324 #define QEDF_DEFAULT_PRIO 3 325 int vlan_id; 326 u8 prio; 327 struct qed_dev *cdev; 328 struct qed_dev_fcoe_info dev_info; 329 struct qed_int_info int_info; 330 uint16_t last_command; 331 spinlock_t hba_lock; 332 struct pci_dev *pdev; 333 u64 wwnn; 334 u64 wwpn; 335 u8 __aligned(16) mac[ETH_ALEN]; 336 struct list_head fcports; 337 atomic_t num_offloads; 338 unsigned int curr_conn_id; 339 struct workqueue_struct *ll2_recv_wq; 340 struct workqueue_struct *link_update_wq; 341 struct delayed_work link_update; 342 struct delayed_work link_recovery; 343 struct completion flogi_compl; 344 struct completion fipvlan_compl; 345 346 /* 347 * Used to tell if we're in the window where we are waiting for 348 * the link to come back up before informting fcoe that the link is 349 * done. 350 */ 351 atomic_t link_down_tmo_valid; 352 #define QEDF_TIMER_INTERVAL (1 * HZ) 353 struct timer_list timer; /* One second book keeping timer */ 354 #define QEDF_DRAIN_ACTIVE 1 355 #define QEDF_LL2_STARTED 2 356 #define QEDF_UNLOADING 3 357 #define QEDF_GRCDUMP_CAPTURE 4 358 #define QEDF_IN_RECOVERY 5 359 #define QEDF_DBG_STOP_IO 6 360 unsigned long flags; /* Miscellaneous state flags */ 361 int fipvlan_retries; 362 u8 num_queues; 363 struct global_queue **global_queues; 364 /* Pointer to array of queue structures */ 365 struct qedf_glbl_q_params *p_cpuq; 366 /* Physical address of array of queue structures */ 367 dma_addr_t hw_p_cpuq; 368 369 struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE]; 370 void *bdq_pbl; 371 dma_addr_t bdq_pbl_dma; 372 size_t bdq_pbl_mem_size; 373 void *bdq_pbl_list; 374 dma_addr_t bdq_pbl_list_dma; 375 u8 bdq_pbl_list_num_entries; 376 void __iomem *bdq_primary_prod; 377 void __iomem *bdq_secondary_prod; 378 uint16_t bdq_prod_idx; 379 380 /* Structure for holding all the fastpath for this qedf_ctx */ 381 struct qedf_fastpath *fp_array; 382 struct qed_fcoe_tid tasks; 383 struct qedf_cmd_mgr *cmd_mgr; 384 /* Holds the PF parameters we pass to qed to start he FCoE function */ 385 struct qed_pf_params pf_params; 386 /* Used to time middle path ELS and TM commands */ 387 struct workqueue_struct *timer_work_queue; 388 389 #define QEDF_IO_WORK_MIN 64 390 mempool_t *io_mempool; 391 struct workqueue_struct *dpc_wq; 392 struct delayed_work grcdump_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; 408 409 /* 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