drivers/scsi/qedf/qedf.h

   1 /*
   2  *  QLogic FCoE Offload Driver
   3  *  Copyright (c) 2016-2017 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_MIN_XID            0
  39 #define QEDF_MAX_SCSI_XID       (NUM_TASKS_PER_CONNECTION - 1)
  40 #define QEDF_MAX_ELS_XID        4095
  41 #define QEDF_FLOGI_RETRY_CNT    3
  42 #define QEDF_RPORT_RETRY_CNT    255
  43 #define QEDF_MAX_SESSIONS       1024
  44 #define QEDF_MAX_PAYLOAD        2048
  45 #define QEDF_MAX_BDS_PER_CMD    256
  46 #define QEDF_MAX_BD_LEN         0xffff
  47 #define QEDF_BD_SPLIT_SZ        0x1000
  48 #define QEDF_PAGE_SIZE          4096
  49 #define QED_HW_DMA_BOUNDARY     0xfff
  50 #define QEDF_MAX_SGLEN_FOR_CACHESGL             ((1U << 16) - 1)
  51 #define QEDF_MFS                (QEDF_MAX_PAYLOAD + \
  52         sizeof(struct fc_frame_header))
  53 #define QEDF_MAX_NPIV           64
  54 #define QEDF_TM_TIMEOUT         10
  55 #define QEDF_ABORT_TIMEOUT      10
  56 #define QEDF_CLEANUP_TIMEOUT    10
  57 #define QEDF_MAX_CDB_LEN        16
  58
  59 #define UPSTREAM_REMOVE         1
  60 #define UPSTREAM_KEEP           1
  61
  62 struct qedf_mp_req {
  63         uint32_t req_len;
  64         void *req_buf;
  65         dma_addr_t req_buf_dma;
  66         struct scsi_sge *mp_req_bd;
  67         dma_addr_t mp_req_bd_dma;
  68         struct fc_frame_header req_fc_hdr;
  69
  70         uint32_t resp_len;
  71         void *resp_buf;
  72         dma_addr_t resp_buf_dma;
  73         struct scsi_sge *mp_resp_bd;
  74         dma_addr_t mp_resp_bd_dma;
  75         struct fc_frame_header resp_fc_hdr;
  76 };
  77
  78 struct qedf_els_cb_arg {
  79         struct qedf_ioreq *aborted_io_req;
  80         struct qedf_ioreq *io_req;
  81         u8 op; /* Used to keep track of ELS op */
  82         uint16_t l2_oxid;
  83         u32 offset; /* Used for sequence cleanup */
  84         u8 r_ctl; /* Used for sequence cleanup */
  85 };
  86
  87 enum qedf_ioreq_event {
  88         QEDF_IOREQ_EV_ABORT_SUCCESS,
  89         QEDF_IOREQ_EV_ABORT_FAILED,
  90         QEDF_IOREQ_EV_SEND_RRQ,
  91         QEDF_IOREQ_EV_ELS_TMO,
  92         QEDF_IOREQ_EV_ELS_ERR_DETECT,
  93         QEDF_IOREQ_EV_ELS_FLUSH,
  94         QEDF_IOREQ_EV_CLEANUP_SUCCESS,
  95         QEDF_IOREQ_EV_CLEANUP_FAILED,
  96 };
  97
  98 #define FC_GOOD         0
  99 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_OVER       (0x1<<2)
 100 #define FCOE_FCP_RSP_FLAGS_FCP_RESID_UNDER      (0x1<<3)
 101 #define CMD_SCSI_STATUS(Cmnd)                   ((Cmnd)->SCp.Status)
 102 #define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID    (0x1<<0)
 103 #define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID    (0x1<<1)
 104 struct qedf_ioreq {
 105         struct list_head link;
 106         uint16_t xid;
 107         struct scsi_cmnd *sc_cmd;
 108         bool use_slowpath; /* Use slow SGL for this I/O */
 109 #define QEDF_SCSI_CMD           1
 110 #define QEDF_TASK_MGMT_CMD      2
 111 #define QEDF_ABTS               3
 112 #define QEDF_ELS                4
 113 #define QEDF_CLEANUP            5
 114 #define QEDF_SEQ_CLEANUP        6
 115         u8 cmd_type;
 116 #define QEDF_CMD_OUTSTANDING            0x0
 117 #define QEDF_CMD_IN_ABORT               0x1
 118 #define QEDF_CMD_IN_CLEANUP             0x2
 119 #define QEDF_CMD_SRR_SENT               0x3
 120         u8 io_req_flags;
 121         uint8_t tm_flags;
 122         struct qedf_rport *fcport;
 123         unsigned long flags;
 124         enum qedf_ioreq_event event;
 125         size_t data_xfer_len;
 126         struct kref refcount;
 127         struct qedf_cmd_mgr *cmd_mgr;
 128         struct io_bdt *bd_tbl;
 129         struct delayed_work timeout_work;
 130         struct completion tm_done;
 131         struct completion abts_done;
 132         struct fcoe_task_context *task;
 133         struct fcoe_task_params *task_params;
 134         struct scsi_sgl_task_params *sgl_task_params;
 135         int idx;
 136 /*
 137  * Need to allocate enough room for both sense data and FCP response data
 138  * which has a max length of 8 bytes according to spec.
 139  */
 140 #define QEDF_SCSI_SENSE_BUFFERSIZE      (SCSI_SENSE_BUFFERSIZE + 8)
 141         uint8_t *sense_buffer;
 142         dma_addr_t sense_buffer_dma;
 143         u32 fcp_resid;
 144         u32 fcp_rsp_len;
 145         u32 fcp_sns_len;
 146         u8 cdb_status;
 147         u8 fcp_status;
 148         u8 fcp_rsp_code;
 149         u8 scsi_comp_flags;
 150 #define QEDF_MAX_REUSE          0xfff
 151         u16 reuse_count;
 152         struct qedf_mp_req mp_req;
 153         void (*cb_func)(struct qedf_els_cb_arg *cb_arg);
 154         struct qedf_els_cb_arg *cb_arg;
 155         int fp_idx;
 156         unsigned int cpu;
 157         unsigned int int_cpu;
 158 #define QEDF_IOREQ_SLOW_SGE             0
 159 #define QEDF_IOREQ_SINGLE_SGE           1
 160 #define QEDF_IOREQ_FAST_SGE             2
 161         u8 sge_type;
 162         struct delayed_work rrq_work;
 163
 164         /* Used for sequence level recovery; i.e. REC/SRR */
 165         uint32_t rx_buf_off;
 166         uint32_t tx_buf_off;
 167         uint32_t rx_id;
 168         uint32_t task_retry_identifier;
 169
 170         /*
 171          * Used to tell if we need to return a SCSI command
 172          * during some form of error processing.
 173          */
 174         bool return_scsi_cmd_on_abts;
 175 };
 176
 177 extern struct workqueue_struct *qedf_io_wq;
 178
 179 struct qedf_rport {
 180         spinlock_t rport_lock;
 181 #define QEDF_RPORT_SESSION_READY 1
 182 #define QEDF_RPORT_UPLOADING_CONNECTION 2
 183         unsigned long flags;
 184         unsigned long retry_delay_timestamp;
 185         struct fc_rport *rport;
 186         struct fc_rport_priv *rdata;
 187         struct qedf_ctx *qedf;
 188         u32 handle; /* Handle from qed */
 189         u32 fw_cid; /* fw_cid from qed */
 190         void __iomem *p_doorbell;
 191         /* Send queue management */
 192         atomic_t free_sqes;
 193         atomic_t num_active_ios;
 194         struct fcoe_wqe *sq;
 195         dma_addr_t sq_dma;
 196         u16 sq_prod_idx;
 197         u16 fw_sq_prod_idx;
 198         u16 sq_con_idx;
 199         u32 sq_mem_size;
 200         void *sq_pbl;
 201         dma_addr_t sq_pbl_dma;
 202         u32 sq_pbl_size;
 203         u32 sid;
 204 #define QEDF_RPORT_TYPE_DISK            0
 205 #define QEDF_RPORT_TYPE_TAPE            1
 206         uint dev_type; /* Disk or tape */
 207         struct list_head peers;
 208 };
 209
 210 /* Used to contain LL2 skb's in ll2_skb_list */
 211 struct qedf_skb_work {
 212         struct work_struct work;
 213         struct sk_buff *skb;
 214         struct qedf_ctx *qedf;
 215 };
 216
 217 struct qedf_fastpath {
 218 #define QEDF_SB_ID_NULL         0xffff
 219         u16             sb_id;
 220         struct qed_sb_info      *sb_info;
 221         struct qedf_ctx *qedf;
 222         /* Keep track of number of completions on this fastpath */
 223         unsigned long completions;
 224         uint32_t cq_num_entries;
 225 };
 226
 227 /* Used to pass fastpath information needed to process CQEs */
 228 struct qedf_io_work {
 229         struct work_struct work;
 230         struct fcoe_cqe cqe;
 231         struct qedf_ctx *qedf;
 232         struct fc_frame *fp;
 233 };
 234
 235 struct qedf_glbl_q_params {
 236         u64     hw_p_cq;        /* Completion queue PBL */
 237         u64     hw_p_rq;        /* Request queue PBL */
 238         u64     hw_p_cmdq;      /* Command queue PBL */
 239 };
 240
 241 struct global_queue {
 242         struct fcoe_cqe *cq;
 243         dma_addr_t cq_dma;
 244         u32 cq_mem_size;
 245         u32 cq_cons_idx; /* Completion queue consumer index */
 246         u32 cq_prod_idx;
 247
 248         void *cq_pbl;
 249         dma_addr_t cq_pbl_dma;
 250         u32 cq_pbl_size;
 251 };
 252
 253 /* I/O tracing entry */
 254 #define QEDF_IO_TRACE_SIZE              2048
 255 struct qedf_io_log {
 256 #define QEDF_IO_TRACE_REQ               0
 257 #define QEDF_IO_TRACE_RSP               1
 258         uint8_t direction;
 259         uint16_t task_id;
 260         uint32_t port_id; /* Remote port fabric ID */
 261         int lun;
 262         unsigned char op; /* SCSI CDB */
 263         uint8_t lba[4];
 264         unsigned int bufflen; /* SCSI buffer length */
 265         unsigned int sg_count; /* Number of SG elements */
 266         int result; /* Result passed back to mid-layer */
 267         unsigned long jiffies; /* Time stamp when I/O logged */
 268         int refcount; /* Reference count for task id */
 269         unsigned int req_cpu; /* CPU that the task is queued on */
 270         unsigned int int_cpu; /* Interrupt CPU that the task is received on */
 271         unsigned int rsp_cpu; /* CPU that task is returned on */
 272         u8 sge_type; /* Did we take the slow, single or fast SGE path */
 273 };
 274
 275 /* Number of entries in BDQ */
 276 #define QEDF_BDQ_SIZE                   256
 277 #define QEDF_BDQ_BUF_SIZE               2072
 278
 279 /* DMA coherent buffers for BDQ */
 280 struct qedf_bdq_buf {
 281         void *buf_addr;
 282         dma_addr_t buf_dma;
 283 };
 284
 285 /* Main adapter struct */
 286 struct qedf_ctx {
 287         struct qedf_dbg_ctx dbg_ctx;
 288         struct fcoe_ctlr ctlr;
 289         struct fc_lport *lport;
 290         u8 data_src_addr[ETH_ALEN];
 291 #define QEDF_LINK_DOWN          0
 292 #define QEDF_LINK_UP            1
 293         atomic_t link_state;
 294 #define QEDF_DCBX_PENDING       0
 295 #define QEDF_DCBX_DONE          1
 296         atomic_t dcbx;
 297         uint16_t max_scsi_xid;
 298         uint16_t max_els_xid;
 299 #define QEDF_NULL_VLAN_ID       -1
 300 #define QEDF_FALLBACK_VLAN      1002
 301 #define QEDF_DEFAULT_PRIO       3
 302         int vlan_id;
 303         uint vlan_hw_insert:1;
 304         struct qed_dev *cdev;
 305         struct qed_dev_fcoe_info dev_info;
 306         struct qed_int_info int_info;
 307         uint16_t last_command;
 308         spinlock_t hba_lock;
 309         struct pci_dev *pdev;
 310         u64 wwnn;
 311         u64 wwpn;
 312         u8 __aligned(16) mac[ETH_ALEN];
 313         struct list_head fcports;
 314         atomic_t num_offloads;
 315         unsigned int curr_conn_id;
 316         struct workqueue_struct *ll2_recv_wq;
 317         struct workqueue_struct *link_update_wq;
 318         struct delayed_work link_update;
 319         struct delayed_work link_recovery;
 320         struct completion flogi_compl;
 321         struct completion fipvlan_compl;
 322
 323         /*
 324          * Used to tell if we're in the window where we are waiting for
 325          * the link to come back up before informting fcoe that the link is
 326          * done.
 327          */
 328         atomic_t link_down_tmo_valid;
 329 #define QEDF_TIMER_INTERVAL             (1 * HZ)
 330         struct timer_list timer; /* One second book keeping timer */
 331 #define QEDF_DRAIN_ACTIVE               1
 332 #define QEDF_LL2_STARTED                2
 333 #define QEDF_UNLOADING                  3
 334 #define QEDF_GRCDUMP_CAPTURE            4
 335 #define QEDF_IN_RECOVERY                5
 336 #define QEDF_DBG_STOP_IO                6
 337         unsigned long flags; /* Miscellaneous state flags */
 338         int fipvlan_retries;
 339         u8 num_queues;
 340         struct global_queue **global_queues;
 341         /* Pointer to array of queue structures */
 342         struct qedf_glbl_q_params *p_cpuq;
 343         /* Physical address of array of queue structures */
 344         dma_addr_t hw_p_cpuq;
 345
 346         struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE];
 347         void *bdq_pbl;
 348         dma_addr_t bdq_pbl_dma;
 349         size_t bdq_pbl_mem_size;
 350         void *bdq_pbl_list;
 351         dma_addr_t bdq_pbl_list_dma;
 352         u8 bdq_pbl_list_num_entries;
 353         void __iomem *bdq_primary_prod;
 354         void __iomem *bdq_secondary_prod;
 355         uint16_t bdq_prod_idx;
 356
 357         /* Structure for holding all the fastpath for this qedf_ctx */
 358         struct qedf_fastpath *fp_array;
 359         struct qed_fcoe_tid tasks;
 360         struct qedf_cmd_mgr *cmd_mgr;
 361         /* Holds the PF parameters we pass to qed to start he FCoE function */
 362         struct qed_pf_params pf_params;
 363         /* Used to time middle path ELS and TM commands */
 364         struct workqueue_struct *timer_work_queue;
 365
 366 #define QEDF_IO_WORK_MIN                64
 367         mempool_t *io_mempool;
 368         struct workqueue_struct *dpc_wq;
 369
 370         u32 slow_sge_ios;
 371         u32 fast_sge_ios;
 372         u32 single_sge_ios;
 373
 374         uint8_t *grcdump;
 375         uint32_t grcdump_size;
 376
 377         struct qedf_io_log io_trace_buf[QEDF_IO_TRACE_SIZE];
 378         spinlock_t io_trace_lock;
 379         uint16_t io_trace_idx;
 380
 381         bool stop_io_on_error;
 382
 383         u32 flogi_cnt;
 384         u32 flogi_failed;
 385
 386         /* Used for fc statistics */
 387         u64 input_requests;
 388         u64 output_requests;
 389         u64 control_requests;
 390         u64 packet_aborts;
 391         u64 alloc_failures;
 392 };
 393
 394 struct io_bdt {
 395         struct qedf_ioreq *io_req;
 396         struct scsi_sge *bd_tbl;
 397         dma_addr_t bd_tbl_dma;
 398         u16 bd_valid;
 399 };
 400
 401 struct qedf_cmd_mgr {
 402         struct qedf_ctx *qedf;
 403         u16 idx;
 404         struct io_bdt **io_bdt_pool;
 405 #define FCOE_PARAMS_NUM_TASKS           2048
 406         struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS];
 407         spinlock_t lock;
 408         atomic_t free_list_cnt;
 409 };
 410
 411 /* Stolen from qed_cxt_api.h and adapted for qed_fcoe_info
 412  * Usage:
 413  *
 414  * void *ptr;
 415  * ptr = qedf_get_task_mem(&qedf->tasks, 128);
 416  */
 417 static inline void *qedf_get_task_mem(struct qed_fcoe_tid *info, u32 tid)
 418 {
 419         return (void *)(info->blocks[tid / info->num_tids_per_block] +
 420                         (tid % info->num_tids_per_block) * info->size);
 421 }
 422
 423 static inline void qedf_stop_all_io(struct qedf_ctx *qedf)
 424 {
 425         set_bit(QEDF_DBG_STOP_IO, &qedf->flags);
 426 }
 427
 428 /*
 429  * Externs
 430  */
 431 #define QEDF_DEFAULT_LOG_MASK           0x3CFB6
 432 extern const struct qed_fcoe_ops *qed_ops;
 433 extern uint qedf_dump_frames;
 434 extern uint qedf_io_tracing;
 435 extern uint qedf_stop_io_on_error;
 436 extern uint qedf_link_down_tmo;
 437 #define QEDF_RETRY_DELAY_MAX            20 /* 2 seconds */
 438 extern bool qedf_retry_delay;
 439 extern uint qedf_debug;
 440
 441 extern struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf);
 442 extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr);
 443 extern int qedf_queuecommand(struct Scsi_Host *host,
 444         struct scsi_cmnd *sc_cmd);
 445 extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb);
 446 extern void qedf_update_src_mac(struct fc_lport *lport, u8 *addr);
 447 extern u8 *qedf_get_src_mac(struct fc_lport *lport);
 448 extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb);
 449 extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf);
 450 extern void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
 451         struct qedf_ioreq *io_req);
 452 extern void qedf_process_warning_compl(struct qedf_ctx *qedf,
 453         struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
 454 extern void qedf_process_error_detect(struct qedf_ctx *qedf,
 455         struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
 456 extern void qedf_flush_active_ios(struct qedf_rport *fcport, int lun);
 457 extern void qedf_release_cmd(struct kref *ref);
 458 extern int qedf_initiate_abts(struct qedf_ioreq *io_req,
 459         bool return_scsi_cmd_on_abts);
 460 extern void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
 461         struct qedf_ioreq *io_req);
 462 extern struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport,
 463         u8 cmd_type);
 464
 465 extern struct device_attribute *qedf_host_attrs[];
 466 extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
 467         unsigned int timer_msec);
 468 extern int qedf_init_mp_req(struct qedf_ioreq *io_req);
 469 extern void qedf_init_mp_task(struct qedf_ioreq *io_req,
 470         struct fcoe_task_context *task_ctx, struct fcoe_wqe *wqe);
 471 extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport);
 472 extern void qedf_ring_doorbell(struct qedf_rport *fcport);
 473 extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
 474         struct qedf_ioreq *els_req);
 475 extern int qedf_send_rrq(struct qedf_ioreq *aborted_io_req);
 476 extern int qedf_send_adisc(struct qedf_rport *fcport, struct fc_frame *fp);
 477 extern int qedf_initiate_cleanup(struct qedf_ioreq *io_req,
 478         bool return_scsi_cmd_on_abts);
 479 extern void qedf_process_cleanup_compl(struct qedf_ctx *qedf,
 480         struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
 481 extern int qedf_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags);
 482 extern void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
 483         struct qedf_ioreq *io_req);
 484 extern void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe);
 485 extern void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
 486         int result);
 487 extern void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id);
 488 extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf);
 489 extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf);
 490 extern void qedf_capture_grc_dump(struct qedf_ctx *qedf);
 491 extern void qedf_wait_for_upload(struct qedf_ctx *qedf);
 492 extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx,
 493         struct fcoe_cqe *cqe);
 494 extern void qedf_restart_rport(struct qedf_rport *fcport);
 495 extern int qedf_send_rec(struct qedf_ioreq *orig_io_req);
 496 extern int qedf_post_io_req(struct qedf_rport *fcport,
 497         struct qedf_ioreq *io_req);
 498 extern void qedf_process_seq_cleanup_compl(struct qedf_ctx *qedf,
 499         struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
 500 extern int qedf_send_flogi(struct qedf_ctx *qedf);
 501 extern void qedf_fp_io_handler(struct work_struct *work);
 502
 503 #define FCOE_WORD_TO_BYTE  4
 504 #define QEDF_MAX_TASK_NUM       0xFFFF
 505
 506 struct fip_vlan {
 507         struct ethhdr eth;
 508         struct fip_header fip;
 509         struct {
 510                 struct fip_mac_desc mac;
 511                 struct fip_wwn_desc wwnn;
 512         } desc;
 513 };
 514
 515 /* SQ/CQ Sizes */
 516 #define GBL_RSVD_TASKS                  16
 517 #define NUM_TASKS_PER_CONNECTION        1024
 518 #define NUM_RW_TASKS_PER_CONNECTION     512
 519 #define FCOE_PARAMS_CQ_NUM_ENTRIES      FCOE_PARAMS_NUM_TASKS
 520
 521 #define FCOE_PARAMS_CMDQ_NUM_ENTRIES    FCOE_PARAMS_NUM_TASKS
 522 #define SQ_NUM_ENTRIES                  NUM_TASKS_PER_CONNECTION
 523
 524 #define QEDF_FCOE_PARAMS_GL_RQ_PI              0
 525 #define QEDF_FCOE_PARAMS_GL_CMD_PI             1
 526
 527 #define QEDF_READ                     (1 << 1)
 528 #define QEDF_WRITE                    (1 << 0)
 529 #define MAX_FIBRE_LUNS                  0xffffffff
 530
 531 #define MIN_NUM_CPUS_MSIX(x)    min_t(u32, x->dev_info.num_cqs, \
 532                                         num_online_cpus())
 533
 534 /*
 535  * PCI function probe defines
 536  */
 537 /* Probe/remove called during normal PCI probe */
 538 #define QEDF_MODE_NORMAL                0
 539 /* Probe/remove called from qed error recovery */
 540 #define QEDF_MODE_RECOVERY              1
 541
 542 #define SUPPORTED_25000baseKR_Full    (1<<27)
 543 #define SUPPORTED_50000baseKR2_Full   (1<<28)
 544 #define SUPPORTED_100000baseKR4_Full  (1<<29)
 545 #define SUPPORTED_100000baseCR4_Full  (1<<30)
 546
 547 #endif