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 54struct 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 70struct 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 79enum 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) 96struct 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 struct qedf_rport *fcport; 116#define QEDF_CMD_ST_INACTIVE 0 117#define QEDFC_CMD_ST_IO_ACTIVE 1 118#define QEDFC_CMD_ST_ABORT_ACTIVE 2 119#define QEDFC_CMD_ST_ABORT_ACTIVE_EH 3 120#define QEDFC_CMD_ST_CLEANUP_ACTIVE 4 121#define QEDFC_CMD_ST_CLEANUP_ACTIVE_EH 5 122#define QEDFC_CMD_ST_RRQ_ACTIVE 6 123#define QEDFC_CMD_ST_RRQ_WAIT 7 124#define QEDFC_CMD_ST_OXID_RETIRE_WAIT 8 125#define QEDFC_CMD_ST_TMF_ACTIVE 9 126#define QEDFC_CMD_ST_DRAIN_ACTIVE 10 127#define QEDFC_CMD_ST_CLEANED 11 128#define QEDFC_CMD_ST_ELS_ACTIVE 12 129 atomic_t state; 130 unsigned long flags; 131 enum qedf_ioreq_event event; 132 size_t data_xfer_len; 133 /* ID: 001: Alloc cmd (qedf_alloc_cmd) */ 134 /* ID: 002: Initiate ABTS (qedf_initiate_abts) */ 135 /* ID: 003: For RRQ (qedf_process_abts_compl) */ 136 struct kref refcount; 137 struct qedf_cmd_mgr *cmd_mgr; 138 struct io_bdt *bd_tbl; 139 struct delayed_work timeout_work; 140 struct completion tm_done; 141 struct completion abts_done; 142 struct completion cleanup_done; 143 struct fcoe_task_context *task; 144 struct fcoe_task_params *task_params; 145 struct scsi_sgl_task_params *sgl_task_params; 146 int idx; 147 int lun; 148/* 149 * Need to allocate enough room for both sense data and FCP response data 150 * which has a max length of 8 bytes according to spec. 151 */ 152#define QEDF_SCSI_SENSE_BUFFERSIZE (SCSI_SENSE_BUFFERSIZE + 8) 153 uint8_t *sense_buffer; 154 dma_addr_t sense_buffer_dma; 155 u32 fcp_resid; 156 u32 fcp_rsp_len; 157 u32 fcp_sns_len; 158 u8 cdb_status; 159 u8 fcp_status; 160 u8 fcp_rsp_code; 161 u8 scsi_comp_flags; 162#define QEDF_MAX_REUSE 0xfff 163 u16 reuse_count; 164 struct qedf_mp_req mp_req; 165 void (*cb_func)(struct qedf_els_cb_arg *cb_arg); 166 struct qedf_els_cb_arg *cb_arg; 167 int fp_idx; 168 unsigned int cpu; 169 unsigned int int_cpu; 170#define QEDF_IOREQ_UNKNOWN_SGE 1 171#define QEDF_IOREQ_SLOW_SGE 2 172#define QEDF_IOREQ_FAST_SGE 3 173 u8 sge_type; 174 struct delayed_work rrq_work; 175 176 /* Used for sequence level recovery; i.e. REC/SRR */ 177 uint32_t rx_buf_off; 178 uint32_t tx_buf_off; 179 uint32_t rx_id; 180 uint32_t task_retry_identifier; 181 182 /* 183 * Used to tell if we need to return a SCSI command 184 * during some form of error processing. 185 */ 186 bool return_scsi_cmd_on_abts; 187 188 unsigned int alloc; 189}; 190 191struct qedf_cmd_priv { 192 struct qedf_ioreq *io_req; 193}; 194 195static inline struct qedf_cmd_priv *qedf_priv(struct scsi_cmnd *cmd) 196{ 197 return scsi_cmd_priv(cmd); 198} 199 200extern struct workqueue_struct *qedf_io_wq; 201 202struct qedf_rport { 203 spinlock_t rport_lock; 204#define QEDF_RPORT_SESSION_READY 1 205#define QEDF_RPORT_UPLOADING_CONNECTION 2 206#define QEDF_RPORT_IN_RESET 3 207#define QEDF_RPORT_IN_LUN_RESET 4 208#define QEDF_RPORT_IN_TARGET_RESET 5 209 unsigned long flags; 210 int lun_reset_lun; 211 unsigned long retry_delay_timestamp; 212 struct fc_rport *rport; 213 struct fc_rport_priv *rdata; 214 struct qedf_ctx *qedf; 215 u32 handle; /* Handle from qed */ 216 u32 fw_cid; /* fw_cid from qed */ 217 void __iomem *p_doorbell; 218 /* Send queue management */ 219 atomic_t free_sqes; 220 atomic_t ios_to_queue; 221 atomic_t num_active_ios; 222 struct fcoe_wqe *sq; 223 dma_addr_t sq_dma; 224 u16 sq_prod_idx; 225 u16 fw_sq_prod_idx; 226 u16 sq_con_idx; 227 u32 sq_mem_size; 228 void *sq_pbl; 229 dma_addr_t sq_pbl_dma; 230 u32 sq_pbl_size; 231 u32 sid; 232#define QEDF_RPORT_TYPE_DISK 0 233#define QEDF_RPORT_TYPE_TAPE 1 234 uint dev_type; /* Disk or tape */ 235 struct list_head peers; 236}; 237 238/* Used to contain LL2 skb's in ll2_skb_list */ 239struct qedf_skb_work { 240 struct work_struct work; 241 struct sk_buff *skb; 242 struct qedf_ctx *qedf; 243}; 244 245struct qedf_fastpath { 246#define QEDF_SB_ID_NULL 0xffff 247 u16 sb_id; 248 struct qed_sb_info *sb_info; 249 struct qedf_ctx *qedf; 250 /* Keep track of number of completions on this fastpath */ 251 unsigned long completions; 252 uint32_t cq_num_entries; 253}; 254 255/* Used to pass fastpath information needed to process CQEs */ 256struct qedf_io_work { 257 struct work_struct work; 258 struct fcoe_cqe cqe; 259 struct qedf_ctx *qedf; 260 struct fc_frame *fp; 261}; 262 263struct qedf_glbl_q_params { 264 u64 hw_p_cq; /* Completion queue PBL */ 265 u64 hw_p_rq; /* Request queue PBL */ 266 u64 hw_p_cmdq; /* Command queue PBL */ 267}; 268 269struct global_queue { 270 struct fcoe_cqe *cq; 271 dma_addr_t cq_dma; 272 u32 cq_mem_size; 273 u32 cq_cons_idx; /* Completion queue consumer index */ 274 u32 cq_prod_idx; 275 276 void *cq_pbl; 277 dma_addr_t cq_pbl_dma; 278 u32 cq_pbl_size; 279}; 280 281/* I/O tracing entry */ 282#define QEDF_IO_TRACE_SIZE 2048 283struct qedf_io_log { 284#define QEDF_IO_TRACE_REQ 0 285#define QEDF_IO_TRACE_RSP 1 286 uint8_t direction; 287 uint16_t task_id; 288 uint32_t port_id; /* Remote port fabric ID */ 289 int lun; 290 unsigned char op; /* SCSI CDB */ 291 uint8_t lba[4]; 292 unsigned int bufflen; /* SCSI buffer length */ 293 unsigned int sg_count; /* Number of SG elements */ 294 int result; /* Result passed back to mid-layer */ 295 unsigned long jiffies; /* Time stamp when I/O logged */ 296 int refcount; /* Reference count for task id */ 297 unsigned int req_cpu; /* CPU that the task is queued on */ 298 unsigned int int_cpu; /* Interrupt CPU that the task is received on */ 299 unsigned int rsp_cpu; /* CPU that task is returned on */ 300 u8 sge_type; /* Did we take the slow, single or fast SGE path */ 301}; 302 303/* Number of entries in BDQ */ 304#define QEDF_BDQ_SIZE 256 305#define QEDF_BDQ_BUF_SIZE 2072 306 307/* DMA coherent buffers for BDQ */ 308struct qedf_bdq_buf { 309 void *buf_addr; 310 dma_addr_t buf_dma; 311}; 312 313/* Main adapter struct */ 314struct qedf_ctx { 315 struct qedf_dbg_ctx dbg_ctx; 316 struct fcoe_ctlr ctlr; 317 struct fc_lport *lport; 318 u8 data_src_addr[ETH_ALEN]; 319#define QEDF_LINK_DOWN 0 320#define QEDF_LINK_UP 1 321 atomic_t link_state; 322#define QEDF_DCBX_PENDING 0 323#define QEDF_DCBX_DONE 1 324 atomic_t dcbx; 325#define QEDF_NULL_VLAN_ID -1 326#define QEDF_FALLBACK_VLAN 1002 327#define QEDF_DEFAULT_PRIO 3 328 int vlan_id; 329 u8 prio; 330 struct qed_dev *cdev; 331 struct qed_dev_fcoe_info dev_info; 332 struct qed_int_info int_info; 333 uint16_t last_command; 334 spinlock_t hba_lock; 335 struct pci_dev *pdev; 336 u64 wwnn; 337 u64 wwpn; 338 u8 __aligned(16) mac[ETH_ALEN]; 339 struct list_head fcports; 340 atomic_t num_offloads; 341 unsigned int curr_conn_id; 342 struct workqueue_struct *ll2_recv_wq; 343 struct workqueue_struct *link_update_wq; 344 struct devlink *devlink; 345 struct delayed_work link_update; 346 struct delayed_work link_recovery; 347 struct completion flogi_compl; 348 struct completion fipvlan_compl; 349 350 /* 351 * Used to tell if we're in the window where we are waiting for 352 * the link to come back up before informting fcoe that the link is 353 * done. 354 */ 355 atomic_t link_down_tmo_valid; 356#define QEDF_TIMER_INTERVAL (1 * HZ) 357 struct timer_list timer; /* One second book keeping timer */ 358#define QEDF_DRAIN_ACTIVE 1 359#define QEDF_LL2_STARTED 2 360#define QEDF_UNLOADING 3 361#define QEDF_GRCDUMP_CAPTURE 4 362#define QEDF_IN_RECOVERY 5 363#define QEDF_DBG_STOP_IO 6 364#define QEDF_PROBING 8 365 unsigned long flags; /* Miscellaneous state flags */ 366 int fipvlan_retries; 367 u8 num_queues; 368 struct global_queue **global_queues; 369 /* Pointer to array of queue structures */ 370 struct qedf_glbl_q_params *p_cpuq; 371 /* Physical address of array of queue structures */ 372 dma_addr_t hw_p_cpuq; 373 374 struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE]; 375 void *bdq_pbl; 376 dma_addr_t bdq_pbl_dma; 377 size_t bdq_pbl_mem_size; 378 void *bdq_pbl_list; 379 dma_addr_t bdq_pbl_list_dma; 380 u8 bdq_pbl_list_num_entries; 381 void __iomem *bdq_primary_prod; 382 void __iomem *bdq_secondary_prod; 383 uint16_t bdq_prod_idx; 384 385 /* Structure for holding all the fastpath for this qedf_ctx */ 386 struct qedf_fastpath *fp_array; 387 struct qed_fcoe_tid tasks; 388 struct qedf_cmd_mgr *cmd_mgr; 389 /* Holds the PF parameters we pass to qed to start he FCoE function */ 390 struct qed_pf_params pf_params; 391 /* Used to time middle path ELS and TM commands */ 392 struct workqueue_struct *timer_work_queue; 393 394#define QEDF_IO_WORK_MIN 64 395 mempool_t *io_mempool; 396 struct workqueue_struct *dpc_wq; 397 struct delayed_work recovery_work; 398 struct delayed_work board_disable_work; 399 struct delayed_work grcdump_work; 400 struct delayed_work stag_work; 401 402 u32 slow_sge_ios; 403 u32 fast_sge_ios; 404 405 uint8_t *grcdump; 406 uint32_t grcdump_size; 407 408 struct qedf_io_log io_trace_buf[QEDF_IO_TRACE_SIZE]; 409 spinlock_t io_trace_lock; 410 uint16_t io_trace_idx; 411 412 bool stop_io_on_error; 413 414 u32 flogi_cnt; 415 u32 flogi_failed; 416 u32 flogi_pending; 417 418 /* Used for fc statistics */ 419 struct mutex stats_mutex; 420 u64 input_requests; 421 u64 output_requests; 422 u64 control_requests; 423 u64 packet_aborts; 424 u64 alloc_failures; 425 u8 lun_resets; 426 u8 target_resets; 427 u8 task_set_fulls; 428 u8 busy; 429 /* Used for flush routine */ 430 struct mutex flush_mutex; 431}; 432 433struct io_bdt { 434 struct qedf_ioreq *io_req; 435 struct scsi_sge *bd_tbl; 436 dma_addr_t bd_tbl_dma; 437 u16 bd_valid; 438}; 439 440struct qedf_cmd_mgr { 441 struct qedf_ctx *qedf; 442 u16 idx; 443 struct io_bdt **io_bdt_pool; 444#define FCOE_PARAMS_NUM_TASKS 2048 445 struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS]; 446 spinlock_t lock; 447 atomic_t free_list_cnt; 448}; 449 450/* Stolen from qed_cxt_api.h and adapted for qed_fcoe_info 451 * Usage: 452 * 453 * void *ptr; 454 * ptr = qedf_get_task_mem(&qedf->tasks, 128); 455 */ 456static inline void *qedf_get_task_mem(struct qed_fcoe_tid *info, u32 tid) 457{ 458 return (void *)(info->blocks[tid / info->num_tids_per_block] + 459 (tid % info->num_tids_per_block) * info->size); 460} 461 462static inline void qedf_stop_all_io(struct qedf_ctx *qedf) 463{ 464 set_bit(QEDF_DBG_STOP_IO, &qedf->flags); 465} 466 467/* 468 * Externs 469 */ 470 471/* 472 * (QEDF_LOG_NPIV | QEDF_LOG_SESS | QEDF_LOG_LPORT | QEDF_LOG_ELS | QEDF_LOG_MQ 473 * | QEDF_LOG_IO | QEDF_LOG_UNSOL | QEDF_LOG_SCSI_TM | QEDF_LOG_MP_REQ | 474 * QEDF_LOG_EVT | QEDF_LOG_CONN | QEDF_LOG_DISC | QEDF_LOG_INFO) 475 */ 476#define QEDF_DEFAULT_LOG_MASK 0x3CFB6 477extern const struct qed_fcoe_ops *qed_ops; 478extern uint qedf_dump_frames; 479extern uint qedf_io_tracing; 480extern uint qedf_stop_io_on_error; 481extern uint qedf_link_down_tmo; 482#define QEDF_RETRY_DELAY_MAX 600 /* 60 seconds */ 483extern bool qedf_retry_delay; 484extern uint qedf_debug; 485 486extern struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf); 487extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr); 488extern int qedf_queuecommand(struct Scsi_Host *host, 489 struct scsi_cmnd *sc_cmd); 490extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb); 491extern u8 *qedf_get_src_mac(struct fc_lport *lport); 492extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb); 493extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf); 494extern void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, 495 struct qedf_ioreq *io_req); 496extern void qedf_process_warning_compl(struct qedf_ctx *qedf, 497 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); 498extern void qedf_process_error_detect(struct qedf_ctx *qedf, 499 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); 500extern void qedf_flush_active_ios(struct qedf_rport *fcport, int lun); 501extern void qedf_release_cmd(struct kref *ref); 502extern int qedf_initiate_abts(struct qedf_ioreq *io_req, 503 bool return_scsi_cmd_on_abts); 504extern void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, 505 struct qedf_ioreq *io_req); 506extern struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport, 507 u8 cmd_type); 508 509extern const struct attribute_group *qedf_host_groups[]; 510extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, 511 unsigned int timer_msec); 512extern int qedf_init_mp_req(struct qedf_ioreq *io_req); 513extern void qedf_init_mp_task(struct qedf_ioreq *io_req, 514 struct fcoe_task_context *task_ctx, struct fcoe_wqe *sqe); 515extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport); 516extern void qedf_ring_doorbell(struct qedf_rport *fcport); 517extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, 518 struct qedf_ioreq *els_req); 519extern int qedf_send_rrq(struct qedf_ioreq *aborted_io_req); 520extern int qedf_send_adisc(struct qedf_rport *fcport, struct fc_frame *fp); 521extern int qedf_initiate_cleanup(struct qedf_ioreq *io_req, 522 bool return_scsi_cmd_on_abts); 523extern void qedf_process_cleanup_compl(struct qedf_ctx *qedf, 524 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); 525extern int qedf_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags); 526extern void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, 527 struct qedf_ioreq *io_req); 528extern void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe); 529extern void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, 530 int result); 531extern void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id); 532extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf); 533extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf); 534extern void qedf_capture_grc_dump(struct qedf_ctx *qedf); 535bool qedf_wait_for_upload(struct qedf_ctx *qedf); 536extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx, 537 struct fcoe_cqe *cqe); 538extern void qedf_restart_rport(struct qedf_rport *fcport); 539extern int qedf_send_rec(struct qedf_ioreq *orig_io_req); 540extern int qedf_post_io_req(struct qedf_rport *fcport, 541 struct qedf_ioreq *io_req); 542extern void qedf_process_seq_cleanup_compl(struct qedf_ctx *qedf, 543 struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); 544extern int qedf_send_flogi(struct qedf_ctx *qedf); 545extern void qedf_get_protocol_tlv_data(void *dev, void *data); 546extern void qedf_fp_io_handler(struct work_struct *work); 547extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data); 548extern void qedf_wq_grcdump(struct work_struct *work); 549void qedf_stag_change_work(struct work_struct *work); 550void qedf_ctx_soft_reset(struct fc_lport *lport); 551extern void qedf_schedule_hw_err_handler(void *dev, 552 enum qed_hw_err_type err_type); 553 554#define FCOE_WORD_TO_BYTE 4 555#define QEDF_MAX_TASK_NUM 0xFFFF 556#define QL45xxx 0x165C 557#define QL41xxx 0x8080 558#define MAX_CT_PAYLOAD 2048 559#define DISCOVERED_PORTS 4 560#define NUMBER_OF_PORTS 1 561 562struct fip_vlan { 563 struct ethhdr eth; 564 struct fip_header fip; 565 struct { 566 struct fip_mac_desc mac; 567 struct fip_wwn_desc wwnn; 568 } desc; 569}; 570 571/* SQ/CQ Sizes */ 572#define GBL_RSVD_TASKS 16 573#define NUM_TASKS_PER_CONNECTION 1024 574#define NUM_RW_TASKS_PER_CONNECTION 512 575#define FCOE_PARAMS_CQ_NUM_ENTRIES FCOE_PARAMS_NUM_TASKS 576 577#define FCOE_PARAMS_CMDQ_NUM_ENTRIES FCOE_PARAMS_NUM_TASKS 578#define SQ_NUM_ENTRIES NUM_TASKS_PER_CONNECTION 579 580#define QEDF_FCOE_PARAMS_GL_RQ_PI 0 581#define QEDF_FCOE_PARAMS_GL_CMD_PI 1 582 583#define QEDF_READ (1 << 1) 584#define QEDF_WRITE (1 << 0) 585#define MAX_FIBRE_LUNS 0xffffffff 586 587#define MIN_NUM_CPUS_MSIX(x) min_t(u32, x->dev_info.num_cqs, \ 588 num_online_cpus()) 589 590/* 591 * PCI function probe defines 592 */ 593/* Probe/remove called during normal PCI probe */ 594#define QEDF_MODE_NORMAL 0 595/* Probe/remove called from qed error recovery */ 596#define QEDF_MODE_RECOVERY 1 597 598#define SUPPORTED_25000baseKR_Full (1<<27) 599#define SUPPORTED_50000baseKR2_Full (1<<28) 600#define SUPPORTED_100000baseKR4_Full (1<<29) 601#define SUPPORTED_100000baseCR4_Full (1<<30) 602 603#endif 604