drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h

   1 /* bnx2x_sriov.h: Broadcom Everest network driver.
   2  *
   3  * Copyright 2009-2013 Broadcom Corporation
   4  *
   5  * Unless you and Broadcom execute a separate written software license
   6  * agreement governing use of this software, this software is licensed to you
   7  * under the terms of the GNU General Public License version 2, available
   8  * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
   9  *
  10  * Notwithstanding the above, under no circumstances may you combine this
  11  * software in any way with any other Broadcom software provided under a
  12  * license other than the GPL, without Broadcom's express prior written
  13  * consent.
  14  *
  15  * Maintained by: Eilon Greenstein <eilong@broadcom.com>
  16  * Written by: Shmulik Ravid <shmulikr@broadcom.com>
  17  *             Ariel Elior <ariele@broadcom.com>
  18  */
  19 #ifndef BNX2X_SRIOV_H
  20 #define BNX2X_SRIOV_H
  21
  22 #include "bnx2x_vfpf.h"
  23 #include "bnx2x.h"
  24
  25 enum sample_bulletin_result {
  26            PFVF_BULLETIN_UNCHANGED,
  27            PFVF_BULLETIN_UPDATED,
  28            PFVF_BULLETIN_CRC_ERR
  29 };
  30
  31 #ifdef CONFIG_BNX2X_SRIOV
  32
  33 /* The bnx2x device structure holds vfdb structure described below.
  34  * The VF array is indexed by the relative vfid.
  35  */
  36 #define BNX2X_VF_MAX_QUEUES             16
  37 #define BNX2X_VF_MAX_TPA_AGG_QUEUES     8
  38
  39 struct bnx2x_sriov {
  40         u32 first_vf_in_pf;
  41
  42         /* standard SRIOV capability fields, mostly for debugging */
  43         int pos;                /* capability position */
  44         int nres;               /* number of resources */
  45         u32 cap;                /* SR-IOV Capabilities */
  46         u16 ctrl;               /* SR-IOV Control */
  47         u16 total;              /* total VFs associated with the PF */
  48         u16 initial;            /* initial VFs associated with the PF */
  49         u16 nr_virtfn;          /* number of VFs available */
  50         u16 offset;             /* first VF Routing ID offset */
  51         u16 stride;             /* following VF stride */
  52         u32 pgsz;               /* page size for BAR alignment */
  53         u8 link;                /* Function Dependency Link */
  54 };
  55
  56 /* bars */
  57 struct bnx2x_vf_bar {
  58         u64 bar;
  59         u32 size;
  60 };
  61
  62 struct bnx2x_vf_bar_info {
  63         struct bnx2x_vf_bar bars[PCI_SRIOV_NUM_BARS];
  64         u8 nr_bars;
  65 };
  66
  67 /* vf queue (used both for rx or tx) */
  68 struct bnx2x_vf_queue {
  69         struct eth_context              *cxt;
  70
  71         /* MACs object */
  72         struct bnx2x_vlan_mac_obj       mac_obj;
  73
  74         /* VLANs object */
  75         struct bnx2x_vlan_mac_obj       vlan_obj;
  76         atomic_t vlan_count;            /* 0 means vlan-0 is set  ~ untagged */
  77         unsigned long accept_flags;     /* last accept flags configured */
  78
  79         /* Queue Slow-path State object */
  80         struct bnx2x_queue_sp_obj       sp_obj;
  81
  82         u32 cid;
  83         u16 index;
  84         u16 sb_idx;
  85         bool is_leading;
  86 };
  87
  88 /* struct bnx2x_vfop_qctor_params - prepare queue construction parameters:
  89  * q-init, q-setup and SB index
  90  */
  91 struct bnx2x_vfop_qctor_params {
  92         struct bnx2x_queue_state_params         qstate;
  93         struct bnx2x_queue_setup_params         prep_qsetup;
  94 };
  95
  96 /* VFOP parameters (one copy per VF) */
  97 union bnx2x_vfop_params {
  98         struct bnx2x_vlan_mac_ramrod_params     vlan_mac;
  99         struct bnx2x_rx_mode_ramrod_params      rx_mode;
 100         struct bnx2x_mcast_ramrod_params        mcast;
 101         struct bnx2x_config_rss_params          rss;
 102         struct bnx2x_vfop_qctor_params          qctor;
 103 };
 104
 105 /* forward */
 106 struct bnx2x_virtf;
 107
 108 /* VFOP definitions */
 109 typedef void (*vfop_handler_t)(struct bnx2x *bp, struct bnx2x_virtf *vf);
 110
 111 struct bnx2x_vfop_cmd {
 112         vfop_handler_t done;
 113         bool block;
 114 };
 115
 116 /* VFOP queue filters command additional arguments */
 117 struct bnx2x_vfop_filter {
 118         struct list_head link;
 119         int type;
 120 #define BNX2X_VFOP_FILTER_MAC   1
 121 #define BNX2X_VFOP_FILTER_VLAN  2
 122
 123         bool add;
 124         u8 *mac;
 125         u16 vid;
 126 };
 127
 128 struct bnx2x_vfop_filters {
 129         int add_cnt;
 130         struct list_head head;
 131         struct bnx2x_vfop_filter filters[];
 132 };
 133
 134 /* transient list allocated, built and saved until its
 135  * passed to the SP-VERBs layer.
 136  */
 137 struct bnx2x_vfop_args_mcast {
 138         int mc_num;
 139         struct bnx2x_mcast_list_elem *mc;
 140 };
 141
 142 struct bnx2x_vfop_args_qctor {
 143         int     qid;
 144         u16     sb_idx;
 145 };
 146
 147 struct bnx2x_vfop_args_qdtor {
 148         int     qid;
 149         struct eth_context *cxt;
 150 };
 151
 152 struct bnx2x_vfop_args_defvlan {
 153         int     qid;
 154         bool    enable;
 155         u16     vid;
 156         u8      prio;
 157 };
 158
 159 struct bnx2x_vfop_args_qx {
 160         int     qid;
 161         bool    en_add;
 162 };
 163
 164 struct bnx2x_vfop_args_filters {
 165         struct bnx2x_vfop_filters *multi_filter;
 166         atomic_t *credit;       /* non NULL means 'don't consume credit' */
 167 };
 168
 169 union bnx2x_vfop_args {
 170         struct bnx2x_vfop_args_mcast    mc_list;
 171         struct bnx2x_vfop_args_qctor    qctor;
 172         struct bnx2x_vfop_args_qdtor    qdtor;
 173         struct bnx2x_vfop_args_defvlan  defvlan;
 174         struct bnx2x_vfop_args_qx       qx;
 175         struct bnx2x_vfop_args_filters  filters;
 176 };
 177
 178 struct bnx2x_vfop {
 179         struct list_head link;
 180         int                     rc;             /* return code */
 181         int                     state;          /* next state */
 182         union bnx2x_vfop_args   args;           /* extra arguments */
 183         union bnx2x_vfop_params *op_p;          /* ramrod params */
 184
 185         /* state machine callbacks */
 186         vfop_handler_t transition;
 187         vfop_handler_t done;
 188 };
 189
 190 /* vf context */
 191 struct bnx2x_virtf {
 192         u16 cfg_flags;
 193 #define VF_CFG_STATS            0x0001
 194 #define VF_CFG_FW_FC            0x0002
 195 #define VF_CFG_TPA              0x0004
 196 #define VF_CFG_INT_SIMD         0x0008
 197 #define VF_CACHE_LINE           0x0010
 198 #define VF_CFG_VLAN             0x0020
 199 #define VF_CFG_STATS_COALESCE   0x0040
 200
 201         u8 state;
 202 #define VF_FREE         0       /* VF ready to be acquired holds no resc */
 203 #define VF_ACQUIRED     1       /* VF acquired, but not initialized */
 204 #define VF_ENABLED      2       /* VF Enabled */
 205 #define VF_RESET        3       /* VF FLR'd, pending cleanup */
 206
 207         /* non 0 during flr cleanup */
 208         u8 flr_clnup_stage;
 209 #define VF_FLR_CLN      1       /* reclaim resources and do 'final cleanup'
 210                                  * sans the end-wait
 211                                  */
 212 #define VF_FLR_ACK      2       /* ACK flr notification */
 213 #define VF_FLR_EPILOG   3       /* wait for VF remnants to dissipate in the HW
 214                                  * ~ final cleanup' end wait
 215                                  */
 216
 217         /* dma */
 218         dma_addr_t fw_stat_map;         /* valid iff VF_CFG_STATS */
 219         u16 stats_stride;
 220         dma_addr_t spq_map;
 221         dma_addr_t bulletin_map;
 222
 223         /* Allocated resources counters. Before the VF is acquired, the
 224          * counters hold the following values:
 225          *
 226          * - xxq_count = 0 as the queues memory is not allocated yet.
 227          *
 228          * - sb_count  = The number of status blocks configured for this VF in
 229          *               the IGU CAM. Initially read during probe.
 230          *
 231          * - xx_rules_count = The number of rules statically and equally
 232          *                    allocated for each VF, during PF load.
 233          */
 234         struct vf_pf_resc_request       alloc_resc;
 235 #define vf_rxq_count(vf)                ((vf)->alloc_resc.num_rxqs)
 236 #define vf_txq_count(vf)                ((vf)->alloc_resc.num_txqs)
 237 #define vf_sb_count(vf)                 ((vf)->alloc_resc.num_sbs)
 238 #define vf_mac_rules_cnt(vf)            ((vf)->alloc_resc.num_mac_filters)
 239 #define vf_vlan_rules_cnt(vf)           ((vf)->alloc_resc.num_vlan_filters)
 240 #define vf_mc_rules_cnt(vf)             ((vf)->alloc_resc.num_mc_filters)
 241
 242         u8 sb_count;    /* actual number of SBs */
 243         u8 igu_base_id; /* base igu status block id */
 244
 245         struct bnx2x_vf_queue   *vfqs;
 246 #define LEADING_IDX                     0
 247 #define bnx2x_vfq_is_leading(vfq)       ((vfq)->index == LEADING_IDX)
 248 #define bnx2x_vfq(vf, nr, var)          ((vf)->vfqs[(nr)].var)
 249 #define bnx2x_leading_vfq(vf, var)      ((vf)->vfqs[LEADING_IDX].var)
 250
 251         u8 index;       /* index in the vf array */
 252         u8 abs_vfid;
 253         u8 sp_cl_id;
 254         u32 error;      /* 0 means all's-well */
 255
 256         /* BDF */
 257         unsigned int bus;
 258         unsigned int devfn;
 259
 260         /* bars */
 261         struct bnx2x_vf_bar bars[PCI_SRIOV_NUM_BARS];
 262
 263         /* set-mac ramrod state 1-pending, 0-done */
 264         unsigned long   filter_state;
 265
 266         /* leading rss client id ~~ the client id of the first rxq, must be
 267          * set for each txq.
 268          */
 269         int leading_rss;
 270
 271         /* MCAST object */
 272         int mcast_list_len;
 273         struct bnx2x_mcast_obj          mcast_obj;
 274
 275         /* RSS configuration object */
 276         struct bnx2x_rss_config_obj     rss_conf_obj;
 277
 278         /* slow-path operations */
 279         atomic_t                        op_in_progress;
 280         int                             op_rc;
 281         bool                            op_wait_blocking;
 282         struct list_head                op_list_head;
 283         union bnx2x_vfop_params         op_params;
 284         struct mutex                    op_mutex; /* one vfop at a time mutex */
 285         enum channel_tlvs               op_current;
 286 };
 287
 288 #define BNX2X_NR_VIRTFN(bp)     ((bp)->vfdb->sriov.nr_virtfn)
 289
 290 #define for_each_vf(bp, var) \
 291                 for ((var) = 0; (var) < BNX2X_NR_VIRTFN(bp); (var)++)
 292
 293 #define for_each_vfq(vf, var) \
 294                 for ((var) = 0; (var) < vf_rxq_count(vf); (var)++)
 295
 296 #define for_each_vf_sb(vf, var) \
 297                 for ((var) = 0; (var) < vf_sb_count(vf); (var)++)
 298
 299 #define is_vf_multi(vf) (vf_rxq_count(vf) > 1)
 300
 301 #define HW_VF_HANDLE(bp, abs_vfid) \
 302         (u16)(BP_ABS_FUNC((bp)) | (1<<3) |  ((u16)(abs_vfid) << 4))
 303
 304 #define FW_PF_MAX_HANDLE        8
 305
 306 #define FW_VF_HANDLE(abs_vfid)  \
 307         (abs_vfid + FW_PF_MAX_HANDLE)
 308
 309 /* locking and unlocking the channel mutex */
 310 void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
 311                               enum channel_tlvs tlv);
 312
 313 void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
 314                                 enum channel_tlvs expected_tlv);
 315
 316 /* VF mail box (aka vf-pf channel) */
 317
 318 /* a container for the bi-directional vf<-->pf messages.
 319  *  The actual response will be placed according to the offset parameter
 320  *  provided in the request
 321  */
 322
 323 #define MBX_MSG_ALIGN   8
 324 #define MBX_MSG_ALIGNED_SIZE    (roundup(sizeof(struct bnx2x_vf_mbx_msg), \
 325                                 MBX_MSG_ALIGN))
 326
 327 struct bnx2x_vf_mbx_msg {
 328         union vfpf_tlvs req;
 329         union pfvf_tlvs resp;
 330 };
 331
 332 struct bnx2x_vf_mbx {
 333         struct bnx2x_vf_mbx_msg *msg;
 334         dma_addr_t msg_mapping;
 335
 336         /* VF GPA address */
 337         u32 vf_addr_lo;
 338         u32 vf_addr_hi;
 339
 340         struct vfpf_first_tlv first_tlv;        /* saved VF request header */
 341
 342         u8 flags;
 343 #define VF_MSG_INPROCESS        0x1     /* failsafe - the FW should prevent
 344                                          * more then one pending msg
 345                                          */
 346 };
 347
 348 struct bnx2x_vf_sp {
 349         union {
 350                 struct eth_classify_rules_ramrod_data   e2;
 351         } mac_rdata;
 352
 353         union {
 354                 struct eth_classify_rules_ramrod_data   e2;
 355         } vlan_rdata;
 356
 357         union {
 358                 struct eth_filter_rules_ramrod_data     e2;
 359         } rx_mode_rdata;
 360
 361         union {
 362                 struct eth_multicast_rules_ramrod_data  e2;
 363         } mcast_rdata;
 364
 365         union {
 366                 struct client_init_ramrod_data  init_data;
 367                 struct client_update_ramrod_data update_data;
 368         } q_data;
 369
 370         union {
 371                 struct eth_rss_update_ramrod_data e2;
 372         } rss_rdata;
 373 };
 374
 375 struct hw_dma {
 376         void *addr;
 377         dma_addr_t mapping;
 378         size_t size;
 379 };
 380
 381 struct bnx2x_vfdb {
 382 #define BP_VFDB(bp)             ((bp)->vfdb)
 383         /* vf array */
 384         struct bnx2x_virtf      *vfs;
 385 #define BP_VF(bp, idx)          (&((bp)->vfdb->vfs[(idx)]))
 386 #define bnx2x_vf(bp, idx, var)  ((bp)->vfdb->vfs[(idx)].var)
 387
 388         /* queue array - for all vfs */
 389         struct bnx2x_vf_queue *vfqs;
 390
 391         /* vf HW contexts */
 392         struct hw_dma           context[BNX2X_VF_CIDS/ILT_PAGE_CIDS];
 393 #define BP_VF_CXT_PAGE(bp, i)   (&(bp)->vfdb->context[(i)])
 394
 395         /* SR-IOV information */
 396         struct bnx2x_sriov      sriov;
 397         struct hw_dma           mbx_dma;
 398 #define BP_VF_MBX_DMA(bp)       (&((bp)->vfdb->mbx_dma))
 399         struct bnx2x_vf_mbx     mbxs[BNX2X_MAX_NUM_OF_VFS];
 400 #define BP_VF_MBX(bp, vfid)     (&((bp)->vfdb->mbxs[(vfid)]))
 401
 402         struct hw_dma           bulletin_dma;
 403 #define BP_VF_BULLETIN_DMA(bp)  (&((bp)->vfdb->bulletin_dma))
 404 #define BP_VF_BULLETIN(bp, vf) \
 405         (((struct pf_vf_bulletin_content *)(BP_VF_BULLETIN_DMA(bp)->addr)) \
 406          + (vf))
 407
 408         struct hw_dma           sp_dma;
 409 #define bnx2x_vf_sp(bp, vf, field) ((bp)->vfdb->sp_dma.addr +           \
 410                 (vf)->index * sizeof(struct bnx2x_vf_sp) +              \
 411                 offsetof(struct bnx2x_vf_sp, field))
 412 #define bnx2x_vf_sp_map(bp, vf, field) ((bp)->vfdb->sp_dma.mapping +    \
 413                 (vf)->index * sizeof(struct bnx2x_vf_sp) +              \
 414                 offsetof(struct bnx2x_vf_sp, field))
 415
 416 #define FLRD_VFS_DWORDS (BNX2X_MAX_NUM_OF_VFS / 32)
 417         u32 flrd_vfs[FLRD_VFS_DWORDS];
 418
 419         /* the number of msix vectors belonging to this PF designated for VFs */
 420         u16 vf_sbs_pool;
 421         u16 first_vf_igu_entry;
 422 };
 423
 424 /* queue access */
 425 static inline struct bnx2x_vf_queue *vfq_get(struct bnx2x_virtf *vf, u8 index)
 426 {
 427         return &(vf->vfqs[index]);
 428 }
 429
 430 /* FW ids */
 431 static inline u8 vf_igu_sb(struct bnx2x_virtf *vf, u16 sb_idx)
 432 {
 433         return vf->igu_base_id + sb_idx;
 434 }
 435
 436 static inline u8 vf_hc_qzone(struct bnx2x_virtf *vf, u16 sb_idx)
 437 {
 438         return vf_igu_sb(vf, sb_idx);
 439 }
 440
 441 static u8 vfq_cl_id(struct bnx2x_virtf *vf, struct bnx2x_vf_queue *q)
 442 {
 443         return vf->igu_base_id + q->index;
 444 }
 445
 446 static inline u8 vfq_stat_id(struct bnx2x_virtf *vf, struct bnx2x_vf_queue *q)
 447 {
 448         if (vf->cfg_flags & VF_CFG_STATS_COALESCE)
 449                 return vf->leading_rss;
 450         else
 451                 return vfq_cl_id(vf, q);
 452 }
 453
 454 static inline u8 vfq_qzone_id(struct bnx2x_virtf *vf, struct bnx2x_vf_queue *q)
 455 {
 456         return vfq_cl_id(vf, q);
 457 }
 458
 459 /* global iov routines */
 460 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line);
 461 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param, int num_vfs_param);
 462 void bnx2x_iov_remove_one(struct bnx2x *bp);
 463 void bnx2x_iov_free_mem(struct bnx2x *bp);
 464 int bnx2x_iov_alloc_mem(struct bnx2x *bp);
 465 int bnx2x_iov_nic_init(struct bnx2x *bp);
 466 int bnx2x_iov_chip_cleanup(struct bnx2x *bp);
 467 void bnx2x_iov_init_dq(struct bnx2x *bp);
 468 void bnx2x_iov_init_dmae(struct bnx2x *bp);
 469 void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
 470                                 struct bnx2x_queue_sp_obj **q_obj);
 471 void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work);
 472 int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem);
 473 void bnx2x_iov_adjust_stats_req(struct bnx2x *bp);
 474 void bnx2x_iov_storm_stats_update(struct bnx2x *bp);
 475 void bnx2x_iov_sp_task(struct bnx2x *bp);
 476 /* global vf mailbox routines */
 477 void bnx2x_vf_mbx(struct bnx2x *bp, struct vf_pf_event_data *vfpf_event);
 478 void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid);
 479
 480 /* CORE VF API */
 481 typedef u8 bnx2x_mac_addr_t[ETH_ALEN];
 482
 483 /* acquire */
 484 int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
 485                      struct vf_pf_resc_request *resc);
 486 /* init */
 487 int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
 488                   dma_addr_t *sb_map);
 489
 490 /* VFOP generic helpers */
 491 #define bnx2x_vfop_default(state) do {                          \
 492                 BNX2X_ERR("Bad state %d\n", (state));           \
 493                 vfop->rc = -EINVAL;                             \
 494                 goto op_err;                                    \
 495         } while (0)
 496
 497 enum {
 498         VFOP_DONE,
 499         VFOP_CONT,
 500         VFOP_VERIFY_PEND,
 501 };
 502
 503 #define bnx2x_vfop_finalize(vf, rc, next) do {                          \
 504                 if ((rc) < 0)                                           \
 505                         goto op_err;                                    \
 506                 else if ((rc) > 0)                                      \
 507                         goto op_pending;                                \
 508                 else if ((next) == VFOP_DONE)                           \
 509                         goto op_done;                                   \
 510                 else if ((next) == VFOP_VERIFY_PEND)                    \
 511                         BNX2X_ERR("expected pending\n");                \
 512                 else {                                                  \
 513                         DP(BNX2X_MSG_IOV, "no ramrod. Scheduling\n");   \
 514                         atomic_set(&vf->op_in_progress, 1);             \
 515                         queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);  \
 516                         return;                                         \
 517                 }                                                       \
 518         } while (0)
 519
 520 #define bnx2x_vfop_opset(first_state, trans_hndlr, done_hndlr)          \
 521         do {                                                            \
 522                 vfop->state = first_state;                              \
 523                 vfop->op_p = &vf->op_params;                            \
 524                 vfop->transition = trans_hndlr;                         \
 525                 vfop->done = done_hndlr;                                \
 526         } while (0)
 527
 528 static inline struct bnx2x_vfop *bnx2x_vfop_cur(struct bnx2x *bp,
 529                                                 struct bnx2x_virtf *vf)
 530 {
 531         WARN(!mutex_is_locked(&vf->op_mutex), "about to access vf op linked list but mutex was not locked!");
 532         WARN_ON(list_empty(&vf->op_list_head));
 533         return list_first_entry(&vf->op_list_head, struct bnx2x_vfop, link);
 534 }
 535
 536 static inline struct bnx2x_vfop *bnx2x_vfop_add(struct bnx2x *bp,
 537                                                 struct bnx2x_virtf *vf)
 538 {
 539         struct bnx2x_vfop *vfop = kzalloc(sizeof(*vfop), GFP_KERNEL);
 540
 541         WARN(!mutex_is_locked(&vf->op_mutex), "about to access vf op linked list but mutex was not locked!");
 542         if (vfop) {
 543                 INIT_LIST_HEAD(&vfop->link);
 544                 list_add(&vfop->link, &vf->op_list_head);
 545         }
 546         return vfop;
 547 }
 548
 549 static inline void bnx2x_vfop_end(struct bnx2x *bp, struct bnx2x_virtf *vf,
 550                                   struct bnx2x_vfop *vfop)
 551 {
 552         /* rc < 0 - error, otherwise set to 0 */
 553         DP(BNX2X_MSG_IOV, "rc was %d\n", vfop->rc);
 554         if (vfop->rc >= 0)
 555                 vfop->rc = 0;
 556         DP(BNX2X_MSG_IOV, "rc is now %d\n", vfop->rc);
 557
 558         /* unlink the current op context and propagate error code
 559          * must be done before invoking the 'done()' handler
 560          */
 561         WARN(!mutex_is_locked(&vf->op_mutex),
 562              "about to access vf op linked list but mutex was not locked!");
 563         list_del(&vfop->link);
 564
 565         if (list_empty(&vf->op_list_head)) {
 566                 DP(BNX2X_MSG_IOV, "list was empty %d\n", vfop->rc);
 567                 vf->op_rc = vfop->rc;
 568                 DP(BNX2X_MSG_IOV, "copying rc vf->op_rc %d,  vfop->rc %d\n",
 569                    vf->op_rc, vfop->rc);
 570         } else {
 571                 struct bnx2x_vfop *cur_vfop;
 572
 573                 DP(BNX2X_MSG_IOV, "list not empty %d\n", vfop->rc);
 574                 cur_vfop = bnx2x_vfop_cur(bp, vf);
 575                 cur_vfop->rc = vfop->rc;
 576                 DP(BNX2X_MSG_IOV, "copying rc vf->op_rc %d, vfop->rc %d\n",
 577                    vf->op_rc, vfop->rc);
 578         }
 579
 580         /* invoke done handler */
 581         if (vfop->done) {
 582                 DP(BNX2X_MSG_IOV, "calling done handler\n");
 583                 vfop->done(bp, vf);
 584         } else {
 585                 /* there is no done handler for the operation to unlock
 586                  * the mutex. Must have gotten here from PF initiated VF RELEASE
 587                  */
 588                 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
 589         }
 590
 591         DP(BNX2X_MSG_IOV, "done handler complete. vf->op_rc %d, vfop->rc %d\n",
 592            vf->op_rc, vfop->rc);
 593
 594         /* if this is the last nested op reset the wait_blocking flag
 595          * to release any blocking wrappers, only after 'done()' is invoked
 596          */
 597         if (list_empty(&vf->op_list_head)) {
 598                 DP(BNX2X_MSG_IOV, "list was empty after done %d\n", vfop->rc);
 599                 vf->op_wait_blocking = false;
 600         }
 601
 602         kfree(vfop);
 603 }
 604
 605 static inline int bnx2x_vfop_wait_blocking(struct bnx2x *bp,
 606                                            struct bnx2x_virtf *vf)
 607 {
 608         /* can take a while if any port is running */
 609         int cnt = 5000;
 610
 611         might_sleep();
 612         while (cnt--) {
 613                 if (vf->op_wait_blocking == false) {
 614 #ifdef BNX2X_STOP_ON_ERROR
 615                         DP(BNX2X_MSG_IOV, "exit  (cnt %d)\n", 5000 - cnt);
 616 #endif
 617                         return 0;
 618                 }
 619                 usleep_range(1000, 2000);
 620
 621                 if (bp->panic)
 622                         return -EIO;
 623         }
 624
 625         /* timeout! */
 626 #ifdef BNX2X_STOP_ON_ERROR
 627         bnx2x_panic();
 628 #endif
 629
 630         return -EBUSY;
 631 }
 632
 633 static inline int bnx2x_vfop_transition(struct bnx2x *bp,
 634                                         struct bnx2x_virtf *vf,
 635                                         vfop_handler_t transition,
 636                                         bool block)
 637 {
 638         if (block)
 639                 vf->op_wait_blocking = true;
 640         transition(bp, vf);
 641         if (block)
 642                 return bnx2x_vfop_wait_blocking(bp, vf);
 643         return 0;
 644 }
 645
 646 /* VFOP queue construction helpers */
 647 void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf,
 648                             struct bnx2x_queue_init_params *init_params,
 649                             struct bnx2x_queue_setup_params *setup_params,
 650                             u16 q_idx, u16 sb_idx);
 651
 652 void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf,
 653                             struct bnx2x_queue_init_params *init_params,
 654                             struct bnx2x_queue_setup_params *setup_params,
 655                             u16 q_idx, u16 sb_idx);
 656
 657 void bnx2x_vfop_qctor_prep(struct bnx2x *bp,
 658                            struct bnx2x_virtf *vf,
 659                            struct bnx2x_vf_queue *q,
 660                            struct bnx2x_vfop_qctor_params *p,
 661                            unsigned long q_type);
 662 int bnx2x_vfop_mac_list_cmd(struct bnx2x *bp,
 663                             struct bnx2x_virtf *vf,
 664                             struct bnx2x_vfop_cmd *cmd,
 665                             struct bnx2x_vfop_filters *macs,
 666                             int qid, bool drv_only);
 667
 668 int bnx2x_vfop_vlan_list_cmd(struct bnx2x *bp,
 669                              struct bnx2x_virtf *vf,
 670                              struct bnx2x_vfop_cmd *cmd,
 671                              struct bnx2x_vfop_filters *vlans,
 672                              int qid, bool drv_only);
 673
 674 int bnx2x_vfop_qsetup_cmd(struct bnx2x *bp,
 675                           struct bnx2x_virtf *vf,
 676                           struct bnx2x_vfop_cmd *cmd,
 677                           int qid);
 678
 679 int bnx2x_vfop_qdown_cmd(struct bnx2x *bp,
 680                          struct bnx2x_virtf *vf,
 681                          struct bnx2x_vfop_cmd *cmd,
 682                          int qid);
 683
 684 int bnx2x_vfop_mcast_cmd(struct bnx2x *bp,
 685                          struct bnx2x_virtf *vf,
 686                          struct bnx2x_vfop_cmd *cmd,
 687                          bnx2x_mac_addr_t *mcasts,
 688                          int mcast_num, bool drv_only);
 689
 690 int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp,
 691                           struct bnx2x_virtf *vf,
 692                           struct bnx2x_vfop_cmd *cmd,
 693                           int qid, unsigned long accept_flags);
 694
 695 int bnx2x_vfop_close_cmd(struct bnx2x *bp,
 696                          struct bnx2x_virtf *vf,
 697                          struct bnx2x_vfop_cmd *cmd);
 698
 699 int bnx2x_vfop_release_cmd(struct bnx2x *bp,
 700                            struct bnx2x_virtf *vf,
 701                            struct bnx2x_vfop_cmd *cmd);
 702
 703 int bnx2x_vfop_rss_cmd(struct bnx2x *bp,
 704                        struct bnx2x_virtf *vf,
 705                        struct bnx2x_vfop_cmd *cmd);
 706
 707 /* VF release ~ VF close + VF release-resources
 708  *
 709  * Release is the ultimate SW shutdown and is called whenever an
 710  * irrecoverable error is encountered.
 711  */
 712 void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block);
 713 int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid);
 714 u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf);
 715
 716 /* FLR routines */
 717
 718 /* VF FLR helpers */
 719 int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid);
 720 void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid);
 721
 722 /* Handles an FLR (or VF_DISABLE) notification form the MCP */
 723 void bnx2x_vf_handle_flr_event(struct bnx2x *bp);
 724
 725 bool bnx2x_tlv_supported(u16 tlvtype);
 726
 727 u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp,
 728                           struct pf_vf_bulletin_content *bulletin);
 729 int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf);
 730
 731 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp);
 732
 733 /* VF side vfpf channel functions */
 734 int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count);
 735 int bnx2x_vfpf_release(struct bnx2x *bp);
 736 int bnx2x_vfpf_release(struct bnx2x *bp);
 737 int bnx2x_vfpf_init(struct bnx2x *bp);
 738 void bnx2x_vfpf_close_vf(struct bnx2x *bp);
 739 int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 740                        bool is_leading);
 741 int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set);
 742 int bnx2x_vfpf_config_rss(struct bnx2x *bp,
 743                           struct bnx2x_config_rss_params *params);
 744 int bnx2x_vfpf_set_mcast(struct net_device *dev);
 745 int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp);
 746
 747 static inline void bnx2x_vf_fill_fw_str(struct bnx2x *bp, char *buf,
 748                                         size_t buf_len)
 749 {
 750         strlcpy(buf, bp->acquire_resp.pfdev_info.fw_ver, buf_len);
 751 }
 752
 753 static inline int bnx2x_vf_ustorm_prods_offset(struct bnx2x *bp,
 754                                                struct bnx2x_fastpath *fp)
 755 {
 756         return PXP_VF_ADDR_USDM_QUEUES_START +
 757                 bp->acquire_resp.resc.hw_qid[fp->index] *
 758                 sizeof(struct ustorm_queue_zone_data);
 759 }
 760
 761 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp);
 762 void bnx2x_timer_sriov(struct bnx2x *bp);
 763 void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp);
 764 int bnx2x_vf_pci_alloc(struct bnx2x *bp);
 765 int bnx2x_enable_sriov(struct bnx2x *bp);
 766 void bnx2x_disable_sriov(struct bnx2x *bp);
 767 static inline int bnx2x_vf_headroom(struct bnx2x *bp)
 768 {
 769         return bp->vfdb->sriov.nr_virtfn * BNX2X_CIDS_PER_VF;
 770 }
 771 void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp);
 772 int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs);
 773 void bnx2x_iov_channel_down(struct bnx2x *bp);
 774
 775 #else /* CONFIG_BNX2X_SRIOV */
 776
 777 static inline void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
 778                                 struct bnx2x_queue_sp_obj **q_obj) {}
 779 static inline void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid,
 780                                       bool queue_work) {}
 781 static inline void bnx2x_vf_handle_flr_event(struct bnx2x *bp) {}
 782 static inline int bnx2x_iov_eq_sp_event(struct bnx2x *bp,
 783                                         union event_ring_elem *elem) {return 1; }
 784 static inline void bnx2x_iov_sp_task(struct bnx2x *bp) {}
 785 static inline void bnx2x_vf_mbx(struct bnx2x *bp,
 786                                 struct vf_pf_event_data *vfpf_event) {}
 787 static inline int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line) {return line; }
 788 static inline void bnx2x_iov_init_dq(struct bnx2x *bp) {}
 789 static inline int bnx2x_iov_alloc_mem(struct bnx2x *bp) {return 0; }
 790 static inline void bnx2x_iov_free_mem(struct bnx2x *bp) {}
 791 static inline int bnx2x_iov_chip_cleanup(struct bnx2x *bp) {return 0; }
 792 static inline void bnx2x_iov_init_dmae(struct bnx2x *bp) {}
 793 static inline int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
 794                                      int num_vfs_param) {return 0; }
 795 static inline void bnx2x_iov_remove_one(struct bnx2x *bp) {}
 796 static inline int bnx2x_enable_sriov(struct bnx2x *bp) {return 0; }
 797 static inline void bnx2x_disable_sriov(struct bnx2x *bp) {}
 798 static inline int bnx2x_vfpf_acquire(struct bnx2x *bp,
 799                                      u8 tx_count, u8 rx_count) {return 0; }
 800 static inline int bnx2x_vfpf_release(struct bnx2x *bp) {return 0; }
 801 static inline int bnx2x_vfpf_init(struct bnx2x *bp) {return 0; }
 802 static inline void bnx2x_vfpf_close_vf(struct bnx2x *bp) {}
 803 static inline int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp, bool is_leading) {return 0; }
 804 static inline int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr,
 805                                         u8 vf_qid, bool set) {return 0; }
 806 static inline int bnx2x_vfpf_config_rss(struct bnx2x *bp,
 807                                         struct bnx2x_config_rss_params *params) {return 0; }
 808 static inline int bnx2x_vfpf_set_mcast(struct net_device *dev) {return 0; }
 809 static inline int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp) {return 0; }
 810 static inline int bnx2x_iov_nic_init(struct bnx2x *bp) {return 0; }
 811 static inline int bnx2x_vf_headroom(struct bnx2x *bp) {return 0; }
 812 static inline void bnx2x_iov_adjust_stats_req(struct bnx2x *bp) {}
 813 static inline void bnx2x_vf_fill_fw_str(struct bnx2x *bp, char *buf,
 814                                         size_t buf_len) {}
 815 static inline int bnx2x_vf_ustorm_prods_offset(struct bnx2x *bp,
 816                                                struct bnx2x_fastpath *fp) {return 0; }
 817 static inline enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
 818 {
 819         return PFVF_BULLETIN_UNCHANGED;
 820 }
 821 static inline void bnx2x_timer_sriov(struct bnx2x *bp) {}
 822
 823 static inline void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)
 824 {
 825         return NULL;
 826 }
 827
 828 static inline int bnx2x_vf_pci_alloc(struct bnx2x *bp) {return 0; }
 829 static inline void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp) {}
 830 static inline int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs) {return 0; }
 831 static inline void bnx2x_iov_channel_down(struct bnx2x *bp) {}
 832
 833 #endif /* CONFIG_BNX2X_SRIOV */
 834 #endif /* bnx2x_sriov.h */