linux/drivers/scsi/qedf/qedf.h
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   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_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
  62struct 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
  78struct 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
  87enum 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)
 104struct 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 e4_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
 177extern struct workqueue_struct *qedf_io_wq;
 178
 179struct qedf_rport {
 180        spinlock_t rport_lock;
 181#define QEDF_RPORT_SESSION_READY 1
 182#define QEDF_RPORT_UPLOADING_CONNECTION 2
 183#define QEDF_RPORT_IN_RESET 3
 184        unsigned long flags;
 185        unsigned long retry_delay_timestamp;
 186        struct fc_rport *rport;
 187        struct fc_rport_priv *rdata;
 188        struct qedf_ctx *qedf;
 189        u32 handle; /* Handle from qed */
 190        u32 fw_cid; /* fw_cid from qed */
 191        void __iomem *p_doorbell;
 192        /* Send queue management */
 193        atomic_t free_sqes;
 194        atomic_t num_active_ios;
 195        struct fcoe_wqe *sq;
 196        dma_addr_t sq_dma;
 197        u16 sq_prod_idx;
 198        u16 fw_sq_prod_idx;
 199        u16 sq_con_idx;
 200        u32 sq_mem_size;
 201        void *sq_pbl;
 202        dma_addr_t sq_pbl_dma;
 203        u32 sq_pbl_size;
 204        u32 sid;
 205#define QEDF_RPORT_TYPE_DISK            0
 206#define QEDF_RPORT_TYPE_TAPE            1
 207        uint dev_type; /* Disk or tape */
 208        struct list_head peers;
 209};
 210
 211/* Used to contain LL2 skb's in ll2_skb_list */
 212struct qedf_skb_work {
 213        struct work_struct work;
 214        struct sk_buff *skb;
 215        struct qedf_ctx *qedf;
 216};
 217
 218struct qedf_fastpath {
 219#define QEDF_SB_ID_NULL         0xffff
 220        u16             sb_id;
 221        struct qed_sb_info      *sb_info;
 222        struct qedf_ctx *qedf;
 223        /* Keep track of number of completions on this fastpath */
 224        unsigned long completions;
 225        uint32_t cq_num_entries;
 226};
 227
 228/* Used to pass fastpath information needed to process CQEs */
 229struct qedf_io_work {
 230        struct work_struct work;
 231        struct fcoe_cqe cqe;
 232        struct qedf_ctx *qedf;
 233        struct fc_frame *fp;
 234};
 235
 236struct qedf_glbl_q_params {
 237        u64     hw_p_cq;        /* Completion queue PBL */
 238        u64     hw_p_rq;        /* Request queue PBL */
 239        u64     hw_p_cmdq;      /* Command queue PBL */
 240};
 241
 242struct global_queue {
 243        struct fcoe_cqe *cq;
 244        dma_addr_t cq_dma;
 245        u32 cq_mem_size;
 246        u32 cq_cons_idx; /* Completion queue consumer index */
 247        u32 cq_prod_idx;
 248
 249        void *cq_pbl;
 250        dma_addr_t cq_pbl_dma;
 251        u32 cq_pbl_size;
 252};
 253
 254/* I/O tracing entry */
 255#define QEDF_IO_TRACE_SIZE              2048
 256struct qedf_io_log {
 257#define QEDF_IO_TRACE_REQ               0
 258#define QEDF_IO_TRACE_RSP               1
 259        uint8_t direction;
 260        uint16_t task_id;
 261        uint32_t port_id; /* Remote port fabric ID */
 262        int lun;
 263        unsigned char op; /* SCSI CDB */
 264        uint8_t lba[4];
 265        unsigned int bufflen; /* SCSI buffer length */
 266        unsigned int sg_count; /* Number of SG elements */
 267        int result; /* Result passed back to mid-layer */
 268        unsigned long jiffies; /* Time stamp when I/O logged */
 269        int refcount; /* Reference count for task id */
 270        unsigned int req_cpu; /* CPU that the task is queued on */
 271        unsigned int int_cpu; /* Interrupt CPU that the task is received on */
 272        unsigned int rsp_cpu; /* CPU that task is returned on */
 273        u8 sge_type; /* Did we take the slow, single or fast SGE path */
 274};
 275
 276/* Number of entries in BDQ */
 277#define QEDF_BDQ_SIZE                   256
 278#define QEDF_BDQ_BUF_SIZE               2072
 279
 280/* DMA coherent buffers for BDQ */
 281struct qedf_bdq_buf {
 282        void *buf_addr;
 283        dma_addr_t buf_dma;
 284};
 285
 286/* Main adapter struct */
 287struct qedf_ctx {
 288        struct qedf_dbg_ctx dbg_ctx;
 289        struct fcoe_ctlr ctlr;
 290        struct fc_lport *lport;
 291        u8 data_src_addr[ETH_ALEN];
 292#define QEDF_LINK_DOWN          0
 293#define QEDF_LINK_UP            1
 294        atomic_t link_state;
 295#define QEDF_DCBX_PENDING       0
 296#define QEDF_DCBX_DONE          1
 297        atomic_t dcbx;
 298        uint16_t max_scsi_xid;
 299        uint16_t max_els_xid;
 300#define QEDF_NULL_VLAN_ID       -1
 301#define QEDF_FALLBACK_VLAN      1002
 302#define QEDF_DEFAULT_PRIO       3
 303        int vlan_id;
 304        u8 prio;
 305        struct qed_dev *cdev;
 306        struct qed_dev_fcoe_info dev_info;
 307        struct qed_int_info int_info;
 308        uint16_t last_command;
 309        spinlock_t hba_lock;
 310        struct pci_dev *pdev;
 311        u64 wwnn;
 312        u64 wwpn;
 313        u8 __aligned(16) mac[ETH_ALEN];
 314        struct list_head fcports;
 315        atomic_t num_offloads;
 316        unsigned int curr_conn_id;
 317        struct workqueue_struct *ll2_recv_wq;
 318        struct workqueue_struct *link_update_wq;
 319        struct delayed_work link_update;
 320        struct delayed_work link_recovery;
 321        struct completion flogi_compl;
 322        struct completion fipvlan_compl;
 323
 324        /*
 325         * Used to tell if we're in the window where we are waiting for
 326         * the link to come back up before informting fcoe that the link is
 327         * done.
 328         */
 329        atomic_t link_down_tmo_valid;
 330#define QEDF_TIMER_INTERVAL             (1 * HZ)
 331        struct timer_list timer; /* One second book keeping timer */
 332#define QEDF_DRAIN_ACTIVE               1
 333#define QEDF_LL2_STARTED                2
 334#define QEDF_UNLOADING                  3
 335#define QEDF_GRCDUMP_CAPTURE            4
 336#define QEDF_IN_RECOVERY                5
 337#define QEDF_DBG_STOP_IO                6
 338        unsigned long flags; /* Miscellaneous state flags */
 339        int fipvlan_retries;
 340        u8 num_queues;
 341        struct global_queue **global_queues;
 342        /* Pointer to array of queue structures */
 343        struct qedf_glbl_q_params *p_cpuq;
 344        /* Physical address of array of queue structures */
 345        dma_addr_t hw_p_cpuq;
 346
 347        struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE];
 348        void *bdq_pbl;
 349        dma_addr_t bdq_pbl_dma;
 350        size_t bdq_pbl_mem_size;
 351        void *bdq_pbl_list;
 352        dma_addr_t bdq_pbl_list_dma;
 353        u8 bdq_pbl_list_num_entries;
 354        void __iomem *bdq_primary_prod;
 355        void __iomem *bdq_secondary_prod;
 356        uint16_t bdq_prod_idx;
 357
 358        /* Structure for holding all the fastpath for this qedf_ctx */
 359        struct qedf_fastpath *fp_array;
 360        struct qed_fcoe_tid tasks;
 361        struct qedf_cmd_mgr *cmd_mgr;
 362        /* Holds the PF parameters we pass to qed to start he FCoE function */
 363        struct qed_pf_params pf_params;
 364        /* Used to time middle path ELS and TM commands */
 365        struct workqueue_struct *timer_work_queue;
 366
 367#define QEDF_IO_WORK_MIN                64
 368        mempool_t *io_mempool;
 369        struct workqueue_struct *dpc_wq;
 370        struct delayed_work grcdump_work;
 371
 372        u32 slow_sge_ios;
 373        u32 fast_sge_ios;
 374        u32 single_sge_ios;
 375
 376        uint8_t *grcdump;
 377        uint32_t grcdump_size;
 378
 379        struct qedf_io_log io_trace_buf[QEDF_IO_TRACE_SIZE];
 380        spinlock_t io_trace_lock;
 381        uint16_t io_trace_idx;
 382
 383        bool stop_io_on_error;
 384
 385        u32 flogi_cnt;
 386        u32 flogi_failed;
 387
 388        /* Used for fc statistics */
 389        struct mutex stats_mutex;
 390        u64 input_requests;
 391        u64 output_requests;
 392        u64 control_requests;
 393        u64 packet_aborts;
 394        u64 alloc_failures;
 395        u8 lun_resets;
 396        u8 target_resets;
 397        u8 task_set_fulls;
 398        u8 busy;
 399};
 400
 401struct io_bdt {
 402        struct qedf_ioreq *io_req;
 403        struct scsi_sge *bd_tbl;
 404        dma_addr_t bd_tbl_dma;
 405        u16 bd_valid;
 406};
 407
 408struct qedf_cmd_mgr {
 409        struct qedf_ctx *qedf;
 410        u16 idx;
 411        struct io_bdt **io_bdt_pool;
 412#define FCOE_PARAMS_NUM_TASKS           2048
 413        struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS];
 414        spinlock_t lock;
 415        atomic_t free_list_cnt;
 416};
 417
 418/* Stolen from qed_cxt_api.h and adapted for qed_fcoe_info
 419 * Usage:
 420 *
 421 * void *ptr;
 422 * ptr = qedf_get_task_mem(&qedf->tasks, 128);
 423 */
 424static inline void *qedf_get_task_mem(struct qed_fcoe_tid *info, u32 tid)
 425{
 426        return (void *)(info->blocks[tid / info->num_tids_per_block] +
 427                        (tid % info->num_tids_per_block) * info->size);
 428}
 429
 430static inline void qedf_stop_all_io(struct qedf_ctx *qedf)
 431{
 432        set_bit(QEDF_DBG_STOP_IO, &qedf->flags);
 433}
 434
 435/*
 436 * Externs
 437 */
 438#define QEDF_DEFAULT_LOG_MASK           0x3CFB6
 439extern const struct qed_fcoe_ops *qed_ops;
 440extern uint qedf_dump_frames;
 441extern uint qedf_io_tracing;
 442extern uint qedf_stop_io_on_error;
 443extern uint qedf_link_down_tmo;
 444#define QEDF_RETRY_DELAY_MAX            20 /* 2 seconds */
 445extern bool qedf_retry_delay;
 446extern uint qedf_debug;
 447
 448extern struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf);
 449extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr);
 450extern int qedf_queuecommand(struct Scsi_Host *host,
 451        struct scsi_cmnd *sc_cmd);
 452extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb);
 453extern u8 *qedf_get_src_mac(struct fc_lport *lport);
 454extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb);
 455extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf);
 456extern void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
 457        struct qedf_ioreq *io_req);
 458extern void qedf_process_warning_compl(struct qedf_ctx *qedf,
 459        struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
 460extern void qedf_process_error_detect(struct qedf_ctx *qedf,
 461        struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
 462extern void qedf_flush_active_ios(struct qedf_rport *fcport, int lun);
 463extern void qedf_release_cmd(struct kref *ref);
 464extern int qedf_initiate_abts(struct qedf_ioreq *io_req,
 465        bool return_scsi_cmd_on_abts);
 466extern void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
 467        struct qedf_ioreq *io_req);
 468extern struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport,
 469        u8 cmd_type);
 470
 471extern struct device_attribute *qedf_host_attrs[];
 472extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
 473        unsigned int timer_msec);
 474extern int qedf_init_mp_req(struct qedf_ioreq *io_req);
 475extern void qedf_init_mp_task(struct qedf_ioreq *io_req,
 476        struct e4_fcoe_task_context *task_ctx, struct fcoe_wqe *sqe);
 477extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport);
 478extern void qedf_ring_doorbell(struct qedf_rport *fcport);
 479extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
 480        struct qedf_ioreq *els_req);
 481extern int qedf_send_rrq(struct qedf_ioreq *aborted_io_req);
 482extern int qedf_send_adisc(struct qedf_rport *fcport, struct fc_frame *fp);
 483extern int qedf_initiate_cleanup(struct qedf_ioreq *io_req,
 484        bool return_scsi_cmd_on_abts);
 485extern void qedf_process_cleanup_compl(struct qedf_ctx *qedf,
 486        struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
 487extern int qedf_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags);
 488extern void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe,
 489        struct qedf_ioreq *io_req);
 490extern void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe);
 491extern void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req,
 492        int result);
 493extern void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id);
 494extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf);
 495extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf);
 496extern void qedf_capture_grc_dump(struct qedf_ctx *qedf);
 497extern void qedf_wait_for_upload(struct qedf_ctx *qedf);
 498extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx,
 499        struct fcoe_cqe *cqe);
 500extern void qedf_restart_rport(struct qedf_rport *fcport);
 501extern int qedf_send_rec(struct qedf_ioreq *orig_io_req);
 502extern int qedf_post_io_req(struct qedf_rport *fcport,
 503        struct qedf_ioreq *io_req);
 504extern void qedf_process_seq_cleanup_compl(struct qedf_ctx *qedf,
 505        struct fcoe_cqe *cqe, struct qedf_ioreq *io_req);
 506extern int qedf_send_flogi(struct qedf_ctx *qedf);
 507extern void qedf_get_protocol_tlv_data(void *dev, void *data);
 508extern void qedf_fp_io_handler(struct work_struct *work);
 509extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data);
 510extern void qedf_wq_grcdump(struct work_struct *work);
 511
 512#define FCOE_WORD_TO_BYTE  4
 513#define QEDF_MAX_TASK_NUM       0xFFFF
 514
 515struct fip_vlan {
 516        struct ethhdr eth;
 517        struct fip_header fip;
 518        struct {
 519                struct fip_mac_desc mac;
 520                struct fip_wwn_desc wwnn;
 521        } desc;
 522};
 523
 524/* SQ/CQ Sizes */
 525#define GBL_RSVD_TASKS                  16
 526#define NUM_TASKS_PER_CONNECTION        1024
 527#define NUM_RW_TASKS_PER_CONNECTION     512
 528#define FCOE_PARAMS_CQ_NUM_ENTRIES      FCOE_PARAMS_NUM_TASKS
 529
 530#define FCOE_PARAMS_CMDQ_NUM_ENTRIES    FCOE_PARAMS_NUM_TASKS
 531#define SQ_NUM_ENTRIES                  NUM_TASKS_PER_CONNECTION
 532
 533#define QEDF_FCOE_PARAMS_GL_RQ_PI              0
 534#define QEDF_FCOE_PARAMS_GL_CMD_PI             1
 535
 536#define QEDF_READ                     (1 << 1)
 537#define QEDF_WRITE                    (1 << 0)
 538#define MAX_FIBRE_LUNS                  0xffffffff
 539
 540#define MIN_NUM_CPUS_MSIX(x)    min_t(u32, x->dev_info.num_cqs, \
 541                                        num_online_cpus())
 542
 543/*
 544 * PCI function probe defines
 545 */
 546/* Probe/remove called during normal PCI probe */
 547#define QEDF_MODE_NORMAL                0
 548/* Probe/remove called from qed error recovery */
 549#define QEDF_MODE_RECOVERY              1
 550
 551#define SUPPORTED_25000baseKR_Full    (1<<27)
 552#define SUPPORTED_50000baseKR2_Full   (1<<28)
 553#define SUPPORTED_100000baseKR4_Full  (1<<29)
 554#define SUPPORTED_100000baseCR4_Full  (1<<30)
 555
 556#endif
 557
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