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

   1 /* bnx2x_sriov.c: 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  */
  20 #include "bnx2x.h"
  21 #include "bnx2x_init.h"
  22 #include "bnx2x_cmn.h"
  23 #include "bnx2x_sp.h"
  24 #include <linux/crc32.h>
  25 #include <linux/if_vlan.h>
  26
  27 /* General service functions */
  28 static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
  29                                          u16 pf_id)
  30 {
  31         REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
  32                 pf_id);
  33         REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
  34                 pf_id);
  35         REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
  36                 pf_id);
  37         REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
  38                 pf_id);
  39 }
  40
  41 static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
  42                                         u8 enable)
  43 {
  44         REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
  45                 enable);
  46         REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
  47                 enable);
  48         REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
  49                 enable);
  50         REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
  51                 enable);
  52 }
  53
  54 int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
  55 {
  56         int idx;
  57
  58         for_each_vf(bp, idx)
  59                 if (bnx2x_vf(bp, idx, abs_vfid) == abs_vfid)
  60                         break;
  61         return idx;
  62 }
  63
  64 static
  65 struct bnx2x_virtf *bnx2x_vf_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
  66 {
  67         u16 idx =  (u16)bnx2x_vf_idx_by_abs_fid(bp, abs_vfid);
  68         return (idx < BNX2X_NR_VIRTFN(bp)) ? BP_VF(bp, idx) : NULL;
  69 }
  70
  71 static void bnx2x_vf_igu_ack_sb(struct bnx2x *bp, struct bnx2x_virtf *vf,
  72                                 u8 igu_sb_id, u8 segment, u16 index, u8 op,
  73                                 u8 update)
  74 {
  75         /* acking a VF sb through the PF - use the GRC */
  76         u32 ctl;
  77         u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
  78         u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
  79         u32 func_encode = vf->abs_vfid;
  80         u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + igu_sb_id;
  81         struct igu_regular cmd_data = {0};
  82
  83         cmd_data.sb_id_and_flags =
  84                         ((index << IGU_REGULAR_SB_INDEX_SHIFT) |
  85                          (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) |
  86                          (update << IGU_REGULAR_BUPDATE_SHIFT) |
  87                          (op << IGU_REGULAR_ENABLE_INT_SHIFT));
  88
  89         ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT         |
  90               func_encode << IGU_CTRL_REG_FID_SHIFT             |
  91               IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
  92
  93         DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
  94            cmd_data.sb_id_and_flags, igu_addr_data);
  95         REG_WR(bp, igu_addr_data, cmd_data.sb_id_and_flags);
  96         mmiowb();
  97         barrier();
  98
  99         DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
 100            ctl, igu_addr_ctl);
 101         REG_WR(bp, igu_addr_ctl, ctl);
 102         mmiowb();
 103         barrier();
 104 }
 105 /* VFOP - VF slow-path operation support */
 106
 107 #define BNX2X_VFOP_FILTER_ADD_CNT_MAX           0x10000
 108
 109 /* VFOP operations states */
 110 enum bnx2x_vfop_qctor_state {
 111            BNX2X_VFOP_QCTOR_INIT,
 112            BNX2X_VFOP_QCTOR_SETUP,
 113            BNX2X_VFOP_QCTOR_INT_EN
 114 };
 115
 116 enum bnx2x_vfop_qdtor_state {
 117            BNX2X_VFOP_QDTOR_HALT,
 118            BNX2X_VFOP_QDTOR_TERMINATE,
 119            BNX2X_VFOP_QDTOR_CFCDEL,
 120            BNX2X_VFOP_QDTOR_DONE
 121 };
 122
 123 enum bnx2x_vfop_vlan_mac_state {
 124            BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE,
 125            BNX2X_VFOP_VLAN_MAC_CLEAR,
 126            BNX2X_VFOP_VLAN_MAC_CHK_DONE,
 127            BNX2X_VFOP_MAC_CONFIG_LIST,
 128            BNX2X_VFOP_VLAN_CONFIG_LIST,
 129            BNX2X_VFOP_VLAN_CONFIG_LIST_0
 130 };
 131
 132 enum bnx2x_vfop_qsetup_state {
 133            BNX2X_VFOP_QSETUP_CTOR,
 134            BNX2X_VFOP_QSETUP_VLAN0,
 135            BNX2X_VFOP_QSETUP_DONE
 136 };
 137
 138 enum bnx2x_vfop_mcast_state {
 139            BNX2X_VFOP_MCAST_DEL,
 140            BNX2X_VFOP_MCAST_ADD,
 141            BNX2X_VFOP_MCAST_CHK_DONE
 142 };
 143 enum bnx2x_vfop_qflr_state {
 144            BNX2X_VFOP_QFLR_CLR_VLAN,
 145            BNX2X_VFOP_QFLR_CLR_MAC,
 146            BNX2X_VFOP_QFLR_TERMINATE,
 147            BNX2X_VFOP_QFLR_DONE
 148 };
 149
 150 enum bnx2x_vfop_flr_state {
 151            BNX2X_VFOP_FLR_QUEUES,
 152            BNX2X_VFOP_FLR_HW
 153 };
 154
 155 enum bnx2x_vfop_close_state {
 156            BNX2X_VFOP_CLOSE_QUEUES,
 157            BNX2X_VFOP_CLOSE_HW
 158 };
 159
 160 enum bnx2x_vfop_rxmode_state {
 161            BNX2X_VFOP_RXMODE_CONFIG,
 162            BNX2X_VFOP_RXMODE_DONE
 163 };
 164
 165 enum bnx2x_vfop_qteardown_state {
 166            BNX2X_VFOP_QTEARDOWN_RXMODE,
 167            BNX2X_VFOP_QTEARDOWN_CLR_VLAN,
 168            BNX2X_VFOP_QTEARDOWN_CLR_MAC,
 169            BNX2X_VFOP_QTEARDOWN_CLR_MCAST,
 170            BNX2X_VFOP_QTEARDOWN_QDTOR,
 171            BNX2X_VFOP_QTEARDOWN_DONE
 172 };
 173
 174 enum bnx2x_vfop_rss_state {
 175            BNX2X_VFOP_RSS_CONFIG,
 176            BNX2X_VFOP_RSS_DONE
 177 };
 178
 179 #define bnx2x_vfop_reset_wq(vf) atomic_set(&vf->op_in_progress, 0)
 180
 181 void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf,
 182                               struct bnx2x_queue_init_params *init_params,
 183                               struct bnx2x_queue_setup_params *setup_params,
 184                               u16 q_idx, u16 sb_idx)
 185 {
 186         DP(BNX2X_MSG_IOV,
 187            "VF[%d] Q_SETUP: txq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, flags=0x%lx, traffic-type=%d",
 188            vf->abs_vfid,
 189            q_idx,
 190            sb_idx,
 191            init_params->tx.sb_cq_index,
 192            init_params->tx.hc_rate,
 193            setup_params->flags,
 194            setup_params->txq_params.traffic_type);
 195 }
 196
 197 void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf,
 198                             struct bnx2x_queue_init_params *init_params,
 199                             struct bnx2x_queue_setup_params *setup_params,
 200                             u16 q_idx, u16 sb_idx)
 201 {
 202         struct bnx2x_rxq_setup_params *rxq_params = &setup_params->rxq_params;
 203
 204         DP(BNX2X_MSG_IOV, "VF[%d] Q_SETUP: rxq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, mtu=%d, buf-size=%d\n"
 205            "sge-size=%d, max_sge_pkt=%d, tpa-agg-size=%d, flags=0x%lx, drop-flags=0x%x, cache-log=%d\n",
 206            vf->abs_vfid,
 207            q_idx,
 208            sb_idx,
 209            init_params->rx.sb_cq_index,
 210            init_params->rx.hc_rate,
 211            setup_params->gen_params.mtu,
 212            rxq_params->buf_sz,
 213            rxq_params->sge_buf_sz,
 214            rxq_params->max_sges_pkt,
 215            rxq_params->tpa_agg_sz,
 216            setup_params->flags,
 217            rxq_params->drop_flags,
 218            rxq_params->cache_line_log);
 219 }
 220
 221 void bnx2x_vfop_qctor_prep(struct bnx2x *bp,
 222                            struct bnx2x_virtf *vf,
 223                            struct bnx2x_vf_queue *q,
 224                            struct bnx2x_vfop_qctor_params *p,
 225                            unsigned long q_type)
 226 {
 227         struct bnx2x_queue_init_params *init_p = &p->qstate.params.init;
 228         struct bnx2x_queue_setup_params *setup_p = &p->prep_qsetup;
 229
 230         /* INIT */
 231
 232         /* Enable host coalescing in the transition to INIT state */
 233         if (test_bit(BNX2X_Q_FLG_HC, &init_p->rx.flags))
 234                 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->rx.flags);
 235
 236         if (test_bit(BNX2X_Q_FLG_HC, &init_p->tx.flags))
 237                 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->tx.flags);
 238
 239         /* FW SB ID */
 240         init_p->rx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 241         init_p->tx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 242
 243         /* context */
 244         init_p->cxts[0] = q->cxt;
 245
 246         /* SETUP */
 247
 248         /* Setup-op general parameters */
 249         setup_p->gen_params.spcl_id = vf->sp_cl_id;
 250         setup_p->gen_params.stat_id = vfq_stat_id(vf, q);
 251
 252         /* Setup-op pause params:
 253          * Nothing to do, the pause thresholds are set by default to 0 which
 254          * effectively turns off the feature for this queue. We don't want
 255          * one queue (VF) to interfering with another queue (another VF)
 256          */
 257         if (vf->cfg_flags & VF_CFG_FW_FC)
 258                 BNX2X_ERR("No support for pause to VFs (abs_vfid: %d)\n",
 259                           vf->abs_vfid);
 260         /* Setup-op flags:
 261          * collect statistics, zero statistics, local-switching, security,
 262          * OV for Flex10, RSS and MCAST for leading
 263          */
 264         if (test_bit(BNX2X_Q_FLG_STATS, &setup_p->flags))
 265                 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &setup_p->flags);
 266
 267         /* for VFs, enable tx switching, bd coherency, and mac address
 268          * anti-spoofing
 269          */
 270         __set_bit(BNX2X_Q_FLG_TX_SWITCH, &setup_p->flags);
 271         __set_bit(BNX2X_Q_FLG_TX_SEC, &setup_p->flags);
 272         __set_bit(BNX2X_Q_FLG_ANTI_SPOOF, &setup_p->flags);
 273
 274         /* Setup-op rx parameters */
 275         if (test_bit(BNX2X_Q_TYPE_HAS_RX, &q_type)) {
 276                 struct bnx2x_rxq_setup_params *rxq_p = &setup_p->rxq_params;
 277
 278                 rxq_p->cl_qzone_id = vfq_qzone_id(vf, q);
 279                 rxq_p->fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 280                 rxq_p->rss_engine_id = FW_VF_HANDLE(vf->abs_vfid);
 281
 282                 if (test_bit(BNX2X_Q_FLG_TPA, &setup_p->flags))
 283                         rxq_p->max_tpa_queues = BNX2X_VF_MAX_TPA_AGG_QUEUES;
 284         }
 285
 286         /* Setup-op tx parameters */
 287         if (test_bit(BNX2X_Q_TYPE_HAS_TX, &q_type)) {
 288                 setup_p->txq_params.tss_leading_cl_id = vf->leading_rss;
 289                 setup_p->txq_params.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 290         }
 291 }
 292
 293 /* VFOP queue construction */
 294 static void bnx2x_vfop_qctor(struct bnx2x *bp, struct bnx2x_virtf *vf)
 295 {
 296         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 297         struct bnx2x_vfop_args_qctor *args = &vfop->args.qctor;
 298         struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate;
 299         enum bnx2x_vfop_qctor_state state = vfop->state;
 300
 301         bnx2x_vfop_reset_wq(vf);
 302
 303         if (vfop->rc < 0)
 304                 goto op_err;
 305
 306         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 307
 308         switch (state) {
 309         case BNX2X_VFOP_QCTOR_INIT:
 310
 311                 /* has this queue already been opened? */
 312                 if (bnx2x_get_q_logical_state(bp, q_params->q_obj) ==
 313                     BNX2X_Q_LOGICAL_STATE_ACTIVE) {
 314                         DP(BNX2X_MSG_IOV,
 315                            "Entered qctor but queue was already up. Aborting gracefully\n");
 316                         goto op_done;
 317                 }
 318
 319                 /* next state */
 320                 vfop->state = BNX2X_VFOP_QCTOR_SETUP;
 321
 322                 q_params->cmd = BNX2X_Q_CMD_INIT;
 323                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 324
 325                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 326
 327         case BNX2X_VFOP_QCTOR_SETUP:
 328                 /* next state */
 329                 vfop->state = BNX2X_VFOP_QCTOR_INT_EN;
 330
 331                 /* copy pre-prepared setup params to the queue-state params */
 332                 vfop->op_p->qctor.qstate.params.setup =
 333                         vfop->op_p->qctor.prep_qsetup;
 334
 335                 q_params->cmd = BNX2X_Q_CMD_SETUP;
 336                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 337
 338                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 339
 340         case BNX2X_VFOP_QCTOR_INT_EN:
 341
 342                 /* enable interrupts */
 343                 bnx2x_vf_igu_ack_sb(bp, vf, vf_igu_sb(vf, args->sb_idx),
 344                                     USTORM_ID, 0, IGU_INT_ENABLE, 0);
 345                 goto op_done;
 346         default:
 347                 bnx2x_vfop_default(state);
 348         }
 349 op_err:
 350         BNX2X_ERR("QCTOR[%d:%d] error: cmd %d, rc %d\n",
 351                   vf->abs_vfid, args->qid, q_params->cmd, vfop->rc);
 352 op_done:
 353         bnx2x_vfop_end(bp, vf, vfop);
 354 op_pending:
 355         return;
 356 }
 357
 358 static int bnx2x_vfop_qctor_cmd(struct bnx2x *bp,
 359                                 struct bnx2x_virtf *vf,
 360                                 struct bnx2x_vfop_cmd *cmd,
 361                                 int qid)
 362 {
 363         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 364
 365         if (vfop) {
 366                 vf->op_params.qctor.qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj);
 367
 368                 vfop->args.qctor.qid = qid;
 369                 vfop->args.qctor.sb_idx = bnx2x_vfq(vf, qid, sb_idx);
 370
 371                 bnx2x_vfop_opset(BNX2X_VFOP_QCTOR_INIT,
 372                                  bnx2x_vfop_qctor, cmd->done);
 373                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qctor,
 374                                              cmd->block);
 375         }
 376         return -ENOMEM;
 377 }
 378
 379 /* VFOP queue destruction */
 380 static void bnx2x_vfop_qdtor(struct bnx2x *bp, struct bnx2x_virtf *vf)
 381 {
 382         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 383         struct bnx2x_vfop_args_qdtor *qdtor = &vfop->args.qdtor;
 384         struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate;
 385         enum bnx2x_vfop_qdtor_state state = vfop->state;
 386
 387         bnx2x_vfop_reset_wq(vf);
 388
 389         if (vfop->rc < 0)
 390                 goto op_err;
 391
 392         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 393
 394         switch (state) {
 395         case BNX2X_VFOP_QDTOR_HALT:
 396
 397                 /* has this queue already been stopped? */
 398                 if (bnx2x_get_q_logical_state(bp, q_params->q_obj) ==
 399                     BNX2X_Q_LOGICAL_STATE_STOPPED) {
 400                         DP(BNX2X_MSG_IOV,
 401                            "Entered qdtor but queue was already stopped. Aborting gracefully\n");
 402
 403                         /* next state */
 404                         vfop->state = BNX2X_VFOP_QDTOR_DONE;
 405
 406                         bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 407                 }
 408
 409                 /* next state */
 410                 vfop->state = BNX2X_VFOP_QDTOR_TERMINATE;
 411
 412                 q_params->cmd = BNX2X_Q_CMD_HALT;
 413                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 414
 415                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 416
 417         case BNX2X_VFOP_QDTOR_TERMINATE:
 418                 /* next state */
 419                 vfop->state = BNX2X_VFOP_QDTOR_CFCDEL;
 420
 421                 q_params->cmd = BNX2X_Q_CMD_TERMINATE;
 422                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 423
 424                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 425
 426         case BNX2X_VFOP_QDTOR_CFCDEL:
 427                 /* next state */
 428                 vfop->state = BNX2X_VFOP_QDTOR_DONE;
 429
 430                 q_params->cmd = BNX2X_Q_CMD_CFC_DEL;
 431                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 432
 433                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 434 op_err:
 435         BNX2X_ERR("QDTOR[%d:%d] error: cmd %d, rc %d\n",
 436                   vf->abs_vfid, qdtor->qid, q_params->cmd, vfop->rc);
 437 op_done:
 438         case BNX2X_VFOP_QDTOR_DONE:
 439                 /* invalidate the context */
 440                 if (qdtor->cxt) {
 441                         qdtor->cxt->ustorm_ag_context.cdu_usage = 0;
 442                         qdtor->cxt->xstorm_ag_context.cdu_reserved = 0;
 443                 }
 444                 bnx2x_vfop_end(bp, vf, vfop);
 445                 return;
 446         default:
 447                 bnx2x_vfop_default(state);
 448         }
 449 op_pending:
 450         return;
 451 }
 452
 453 static int bnx2x_vfop_qdtor_cmd(struct bnx2x *bp,
 454                                 struct bnx2x_virtf *vf,
 455                                 struct bnx2x_vfop_cmd *cmd,
 456                                 int qid)
 457 {
 458         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 459
 460         if (vfop) {
 461                 struct bnx2x_queue_state_params *qstate =
 462                         &vf->op_params.qctor.qstate;
 463
 464                 memset(qstate, 0, sizeof(*qstate));
 465                 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
 466
 467                 vfop->args.qdtor.qid = qid;
 468                 vfop->args.qdtor.cxt = bnx2x_vfq(vf, qid, cxt);
 469
 470                 bnx2x_vfop_opset(BNX2X_VFOP_QDTOR_HALT,
 471                                  bnx2x_vfop_qdtor, cmd->done);
 472                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdtor,
 473                                              cmd->block);
 474         } else {
 475                 BNX2X_ERR("VF[%d] failed to add a vfop\n", vf->abs_vfid);
 476                 return -ENOMEM;
 477         }
 478 }
 479
 480 static void
 481 bnx2x_vf_set_igu_info(struct bnx2x *bp, u8 igu_sb_id, u8 abs_vfid)
 482 {
 483         struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
 484         if (vf) {
 485                 /* the first igu entry belonging to VFs of this PF */
 486                 if (!BP_VFDB(bp)->first_vf_igu_entry)
 487                         BP_VFDB(bp)->first_vf_igu_entry = igu_sb_id;
 488
 489                 /* the first igu entry belonging to this VF */
 490                 if (!vf_sb_count(vf))
 491                         vf->igu_base_id = igu_sb_id;
 492
 493                 ++vf_sb_count(vf);
 494                 ++vf->sb_count;
 495         }
 496         BP_VFDB(bp)->vf_sbs_pool++;
 497 }
 498
 499 /* VFOP MAC/VLAN helpers */
 500 static inline void bnx2x_vfop_credit(struct bnx2x *bp,
 501                                      struct bnx2x_vfop *vfop,
 502                                      struct bnx2x_vlan_mac_obj *obj)
 503 {
 504         struct bnx2x_vfop_args_filters *args = &vfop->args.filters;
 505
 506         /* update credit only if there is no error
 507          * and a valid credit counter
 508          */
 509         if (!vfop->rc && args->credit) {
 510                 struct list_head *pos;
 511                 int read_lock;
 512                 int cnt = 0;
 513
 514                 read_lock = bnx2x_vlan_mac_h_read_lock(bp, obj);
 515                 if (read_lock)
 516                         DP(BNX2X_MSG_SP, "Failed to take vlan mac read head; continuing anyway\n");
 517
 518                 list_for_each(pos, &obj->head)
 519                         cnt++;
 520
 521                 if (!read_lock)
 522                         bnx2x_vlan_mac_h_read_unlock(bp, obj);
 523
 524                 atomic_set(args->credit, cnt);
 525         }
 526 }
 527
 528 static int bnx2x_vfop_set_user_req(struct bnx2x *bp,
 529                                     struct bnx2x_vfop_filter *pos,
 530                                     struct bnx2x_vlan_mac_data *user_req)
 531 {
 532         user_req->cmd = pos->add ? BNX2X_VLAN_MAC_ADD :
 533                 BNX2X_VLAN_MAC_DEL;
 534
 535         switch (pos->type) {
 536         case BNX2X_VFOP_FILTER_MAC:
 537                 memcpy(user_req->u.mac.mac, pos->mac, ETH_ALEN);
 538                 break;
 539         case BNX2X_VFOP_FILTER_VLAN:
 540                 user_req->u.vlan.vlan = pos->vid;
 541                 break;
 542         default:
 543                 BNX2X_ERR("Invalid filter type, skipping\n");
 544                 return 1;
 545         }
 546         return 0;
 547 }
 548
 549 static int bnx2x_vfop_config_list(struct bnx2x *bp,
 550                                   struct bnx2x_vfop_filters *filters,
 551                                   struct bnx2x_vlan_mac_ramrod_params *vlan_mac)
 552 {
 553         struct bnx2x_vfop_filter *pos, *tmp;
 554         struct list_head rollback_list, *filters_list = &filters->head;
 555         struct bnx2x_vlan_mac_data *user_req = &vlan_mac->user_req;
 556         int rc = 0, cnt = 0;
 557
 558         INIT_LIST_HEAD(&rollback_list);
 559
 560         list_for_each_entry_safe(pos, tmp, filters_list, link) {
 561                 if (bnx2x_vfop_set_user_req(bp, pos, user_req))
 562                         continue;
 563
 564                 rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 565                 if (rc >= 0) {
 566                         cnt += pos->add ? 1 : -1;
 567                         list_move(&pos->link, &rollback_list);
 568                         rc = 0;
 569                 } else if (rc == -EEXIST) {
 570                         rc = 0;
 571                 } else {
 572                         BNX2X_ERR("Failed to add a new vlan_mac command\n");
 573                         break;
 574                 }
 575         }
 576
 577         /* rollback if error or too many rules added */
 578         if (rc || cnt > filters->add_cnt) {
 579                 BNX2X_ERR("error or too many rules added. Performing rollback\n");
 580                 list_for_each_entry_safe(pos, tmp, &rollback_list, link) {
 581                         pos->add = !pos->add;   /* reverse op */
 582                         bnx2x_vfop_set_user_req(bp, pos, user_req);
 583                         bnx2x_config_vlan_mac(bp, vlan_mac);
 584                         list_del(&pos->link);
 585                 }
 586                 cnt = 0;
 587                 if (!rc)
 588                         rc = -EINVAL;
 589         }
 590         filters->add_cnt = cnt;
 591         return rc;
 592 }
 593
 594 /* VFOP set VLAN/MAC */
 595 static void bnx2x_vfop_vlan_mac(struct bnx2x *bp, struct bnx2x_virtf *vf)
 596 {
 597         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 598         struct bnx2x_vlan_mac_ramrod_params *vlan_mac = &vfop->op_p->vlan_mac;
 599         struct bnx2x_vlan_mac_obj *obj = vlan_mac->vlan_mac_obj;
 600         struct bnx2x_vfop_filters *filters = vfop->args.filters.multi_filter;
 601
 602         enum bnx2x_vfop_vlan_mac_state state = vfop->state;
 603
 604         if (vfop->rc < 0)
 605                 goto op_err;
 606
 607         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 608
 609         bnx2x_vfop_reset_wq(vf);
 610
 611         switch (state) {
 612         case BNX2X_VFOP_VLAN_MAC_CLEAR:
 613                 /* next state */
 614                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 615
 616                 /* do delete */
 617                 vfop->rc = obj->delete_all(bp, obj,
 618                                            &vlan_mac->user_req.vlan_mac_flags,
 619                                            &vlan_mac->ramrod_flags);
 620
 621                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 622
 623         case BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE:
 624                 /* next state */
 625                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 626
 627                 /* do config */
 628                 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 629                 if (vfop->rc == -EEXIST)
 630                         vfop->rc = 0;
 631
 632                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 633
 634         case BNX2X_VFOP_VLAN_MAC_CHK_DONE:
 635                 vfop->rc = !!obj->raw.check_pending(&obj->raw);
 636                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 637
 638         case BNX2X_VFOP_MAC_CONFIG_LIST:
 639                 /* next state */
 640                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 641
 642                 /* do list config */
 643                 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
 644                 if (vfop->rc)
 645                         goto op_err;
 646
 647                 set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
 648                 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 649                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 650
 651         case BNX2X_VFOP_VLAN_CONFIG_LIST:
 652                 /* next state */
 653                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 654
 655                 /* do list config */
 656                 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
 657                 if (!vfop->rc) {
 658                         set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
 659                         vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 660                 }
 661                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 662
 663         default:
 664                 bnx2x_vfop_default(state);
 665         }
 666 op_err:
 667         BNX2X_ERR("VLAN-MAC error: rc %d\n", vfop->rc);
 668 op_done:
 669         kfree(filters);
 670         bnx2x_vfop_credit(bp, vfop, obj);
 671         bnx2x_vfop_end(bp, vf, vfop);
 672 op_pending:
 673         return;
 674 }
 675
 676 struct bnx2x_vfop_vlan_mac_flags {
 677         bool drv_only;
 678         bool dont_consume;
 679         bool single_cmd;
 680         bool add;
 681 };
 682
 683 static void
 684 bnx2x_vfop_vlan_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
 685                                 struct bnx2x_vfop_vlan_mac_flags *flags)
 686 {
 687         struct bnx2x_vlan_mac_data *ureq = &ramrod->user_req;
 688
 689         memset(ramrod, 0, sizeof(*ramrod));
 690
 691         /* ramrod flags */
 692         if (flags->drv_only)
 693                 set_bit(RAMROD_DRV_CLR_ONLY, &ramrod->ramrod_flags);
 694         if (flags->single_cmd)
 695                 set_bit(RAMROD_EXEC, &ramrod->ramrod_flags);
 696
 697         /* mac_vlan flags */
 698         if (flags->dont_consume)
 699                 set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, &ureq->vlan_mac_flags);
 700
 701         /* cmd */
 702         ureq->cmd = flags->add ? BNX2X_VLAN_MAC_ADD : BNX2X_VLAN_MAC_DEL;
 703 }
 704
 705 static inline void
 706 bnx2x_vfop_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
 707                            struct bnx2x_vfop_vlan_mac_flags *flags)
 708 {
 709         bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, flags);
 710         set_bit(BNX2X_ETH_MAC, &ramrod->user_req.vlan_mac_flags);
 711 }
 712
 713 static int bnx2x_vfop_mac_delall_cmd(struct bnx2x *bp,
 714                                      struct bnx2x_virtf *vf,
 715                                      struct bnx2x_vfop_cmd *cmd,
 716                                      int qid, bool drv_only)
 717 {
 718         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 719         int rc;
 720
 721         if (vfop) {
 722                 struct bnx2x_vfop_args_filters filters = {
 723                         .multi_filter = NULL,   /* single */
 724                         .credit = NULL,         /* consume credit */
 725                 };
 726                 struct bnx2x_vfop_vlan_mac_flags flags = {
 727                         .drv_only = drv_only,
 728                         .dont_consume = (filters.credit != NULL),
 729                         .single_cmd = true,
 730                         .add = false /* don't care */,
 731                 };
 732                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 733                         &vf->op_params.vlan_mac;
 734
 735                 /* set ramrod params */
 736                 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
 737
 738                 /* set object */
 739                 rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, mac_obj));
 740                 if (rc)
 741                         return rc;
 742                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
 743
 744                 /* set extra args */
 745                 vfop->args.filters = filters;
 746
 747                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
 748                                  bnx2x_vfop_vlan_mac, cmd->done);
 749                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 750                                              cmd->block);
 751         }
 752         return -ENOMEM;
 753 }
 754
 755 int bnx2x_vfop_mac_list_cmd(struct bnx2x *bp,
 756                             struct bnx2x_virtf *vf,
 757                             struct bnx2x_vfop_cmd *cmd,
 758                             struct bnx2x_vfop_filters *macs,
 759                             int qid, bool drv_only)
 760 {
 761         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 762         int rc;
 763
 764         if (vfop) {
 765                 struct bnx2x_vfop_args_filters filters = {
 766                         .multi_filter = macs,
 767                         .credit = NULL,         /* consume credit */
 768                 };
 769                 struct bnx2x_vfop_vlan_mac_flags flags = {
 770                         .drv_only = drv_only,
 771                         .dont_consume = (filters.credit != NULL),
 772                         .single_cmd = false,
 773                         .add = false, /* don't care since only the items in the
 774                                        * filters list affect the sp operation,
 775                                        * not the list itself
 776                                        */
 777                 };
 778                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 779                         &vf->op_params.vlan_mac;
 780
 781                 /* set ramrod params */
 782                 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
 783
 784                 /* set object */
 785                 rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, mac_obj));
 786                 if (rc)
 787                         return rc;
 788                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
 789
 790                 /* set extra args */
 791                 filters.multi_filter->add_cnt = BNX2X_VFOP_FILTER_ADD_CNT_MAX;
 792                 vfop->args.filters = filters;
 793
 794                 bnx2x_vfop_opset(BNX2X_VFOP_MAC_CONFIG_LIST,
 795                                  bnx2x_vfop_vlan_mac, cmd->done);
 796                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 797                                              cmd->block);
 798         }
 799         return -ENOMEM;
 800 }
 801
 802 static int bnx2x_vfop_vlan_set_cmd(struct bnx2x *bp,
 803                                    struct bnx2x_virtf *vf,
 804                                    struct bnx2x_vfop_cmd *cmd,
 805                                    int qid, u16 vid, bool add)
 806 {
 807         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 808         int rc;
 809
 810         if (vfop) {
 811                 struct bnx2x_vfop_args_filters filters = {
 812                         .multi_filter = NULL, /* single command */
 813                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 814                 };
 815                 struct bnx2x_vfop_vlan_mac_flags flags = {
 816                         .drv_only = false,
 817                         .dont_consume = (filters.credit != NULL),
 818                         .single_cmd = true,
 819                         .add = add,
 820                 };
 821                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 822                         &vf->op_params.vlan_mac;
 823
 824                 /* set ramrod params */
 825                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 826                 ramrod->user_req.u.vlan.vlan = vid;
 827
 828                 /* set object */
 829                 rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj));
 830                 if (rc)
 831                         return rc;
 832                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 833
 834                 /* set extra args */
 835                 vfop->args.filters = filters;
 836
 837                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE,
 838                                  bnx2x_vfop_vlan_mac, cmd->done);
 839                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 840                                              cmd->block);
 841         }
 842         return -ENOMEM;
 843 }
 844
 845 static int bnx2x_vfop_vlan_delall_cmd(struct bnx2x *bp,
 846                                struct bnx2x_virtf *vf,
 847                                struct bnx2x_vfop_cmd *cmd,
 848                                int qid, bool drv_only)
 849 {
 850         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 851         int rc;
 852
 853         if (vfop) {
 854                 struct bnx2x_vfop_args_filters filters = {
 855                         .multi_filter = NULL, /* single command */
 856                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 857                 };
 858                 struct bnx2x_vfop_vlan_mac_flags flags = {
 859                         .drv_only = drv_only,
 860                         .dont_consume = (filters.credit != NULL),
 861                         .single_cmd = true,
 862                         .add = false, /* don't care */
 863                 };
 864                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 865                         &vf->op_params.vlan_mac;
 866
 867                 /* set ramrod params */
 868                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 869
 870                 /* set object */
 871                 rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj));
 872                 if (rc)
 873                         return rc;
 874                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 875
 876                 /* set extra args */
 877                 vfop->args.filters = filters;
 878
 879                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
 880                                  bnx2x_vfop_vlan_mac, cmd->done);
 881                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 882                                              cmd->block);
 883         }
 884         return -ENOMEM;
 885 }
 886
 887 int bnx2x_vfop_vlan_list_cmd(struct bnx2x *bp,
 888                              struct bnx2x_virtf *vf,
 889                              struct bnx2x_vfop_cmd *cmd,
 890                              struct bnx2x_vfop_filters *vlans,
 891                              int qid, bool drv_only)
 892 {
 893         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 894         int rc;
 895
 896         if (vfop) {
 897                 struct bnx2x_vfop_args_filters filters = {
 898                         .multi_filter = vlans,
 899                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 900                 };
 901                 struct bnx2x_vfop_vlan_mac_flags flags = {
 902                         .drv_only = drv_only,
 903                         .dont_consume = (filters.credit != NULL),
 904                         .single_cmd = false,
 905                         .add = false, /* don't care */
 906                 };
 907                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 908                         &vf->op_params.vlan_mac;
 909
 910                 /* set ramrod params */
 911                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 912
 913                 /* set object */
 914                 rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj));
 915                 if (rc)
 916                         return rc;
 917                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 918
 919                 /* set extra args */
 920                 filters.multi_filter->add_cnt = vf_vlan_rules_cnt(vf) -
 921                         atomic_read(filters.credit);
 922
 923                 vfop->args.filters = filters;
 924
 925                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_CONFIG_LIST,
 926                                  bnx2x_vfop_vlan_mac, cmd->done);
 927                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 928                                              cmd->block);
 929         }
 930         return -ENOMEM;
 931 }
 932
 933 /* VFOP queue setup (queue constructor + set vlan 0) */
 934 static void bnx2x_vfop_qsetup(struct bnx2x *bp, struct bnx2x_virtf *vf)
 935 {
 936         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 937         int qid = vfop->args.qctor.qid;
 938         enum bnx2x_vfop_qsetup_state state = vfop->state;
 939         struct bnx2x_vfop_cmd cmd = {
 940                 .done = bnx2x_vfop_qsetup,
 941                 .block = false,
 942         };
 943
 944         if (vfop->rc < 0)
 945                 goto op_err;
 946
 947         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 948
 949         switch (state) {
 950         case BNX2X_VFOP_QSETUP_CTOR:
 951                 /* init the queue ctor command */
 952                 vfop->state = BNX2X_VFOP_QSETUP_VLAN0;
 953                 vfop->rc = bnx2x_vfop_qctor_cmd(bp, vf, &cmd, qid);
 954                 if (vfop->rc)
 955                         goto op_err;
 956                 return;
 957
 958         case BNX2X_VFOP_QSETUP_VLAN0:
 959                 /* skip if non-leading or FPGA/EMU*/
 960                 if (qid)
 961                         goto op_done;
 962
 963                 /* init the queue set-vlan command (for vlan 0) */
 964                 vfop->state = BNX2X_VFOP_QSETUP_DONE;
 965                 vfop->rc = bnx2x_vfop_vlan_set_cmd(bp, vf, &cmd, qid, 0, true);
 966                 if (vfop->rc)
 967                         goto op_err;
 968                 return;
 969 op_err:
 970         BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf->abs_vfid, qid, vfop->rc);
 971 op_done:
 972         case BNX2X_VFOP_QSETUP_DONE:
 973                 vf->cfg_flags |= VF_CFG_VLAN;
 974                 smp_mb__before_clear_bit();
 975                 set_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN,
 976                         &bp->sp_rtnl_state);
 977                 smp_mb__after_clear_bit();
 978                 schedule_delayed_work(&bp->sp_rtnl_task, 0);
 979                 bnx2x_vfop_end(bp, vf, vfop);
 980                 return;
 981         default:
 982                 bnx2x_vfop_default(state);
 983         }
 984 }
 985
 986 int bnx2x_vfop_qsetup_cmd(struct bnx2x *bp,
 987                           struct bnx2x_virtf *vf,
 988                           struct bnx2x_vfop_cmd *cmd,
 989                           int qid)
 990 {
 991         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 992
 993         if (vfop) {
 994                 vfop->args.qctor.qid = qid;
 995
 996                 bnx2x_vfop_opset(BNX2X_VFOP_QSETUP_CTOR,
 997                                  bnx2x_vfop_qsetup, cmd->done);
 998                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qsetup,
 999                                              cmd->block);
1000         }
1001         return -ENOMEM;
1002 }
1003
1004 /* VFOP queue FLR handling (clear vlans, clear macs, queue destructor) */
1005 static void bnx2x_vfop_qflr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1006 {
1007         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1008         int qid = vfop->args.qx.qid;
1009         enum bnx2x_vfop_qflr_state state = vfop->state;
1010         struct bnx2x_queue_state_params *qstate;
1011         struct bnx2x_vfop_cmd cmd;
1012
1013         bnx2x_vfop_reset_wq(vf);
1014
1015         if (vfop->rc < 0)
1016                 goto op_err;
1017
1018         DP(BNX2X_MSG_IOV, "VF[%d] STATE: %d\n", vf->abs_vfid, state);
1019
1020         cmd.done = bnx2x_vfop_qflr;
1021         cmd.block = false;
1022
1023         switch (state) {
1024         case BNX2X_VFOP_QFLR_CLR_VLAN:
1025                 /* vlan-clear-all: driver-only, don't consume credit */
1026                 vfop->state = BNX2X_VFOP_QFLR_CLR_MAC;
1027
1028                 if (!validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj))) {
1029                         /* the vlan_mac vfop will re-schedule us */
1030                         vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd,
1031                                                               qid, true);
1032                         if (vfop->rc)
1033                                 goto op_err;
1034                         return;
1035
1036                 } else {
1037                         /* need to reschedule ourselves */
1038                         bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1039                 }
1040
1041         case BNX2X_VFOP_QFLR_CLR_MAC:
1042                 /* mac-clear-all: driver only consume credit */
1043                 vfop->state = BNX2X_VFOP_QFLR_TERMINATE;
1044                 if (!validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, mac_obj))) {
1045                         /* the vlan_mac vfop will re-schedule us */
1046                         vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd,
1047                                                              qid, true);
1048                         if (vfop->rc)
1049                                 goto op_err;
1050                         return;
1051
1052                 } else {
1053                         /* need to reschedule ourselves */
1054                         bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1055                 }
1056
1057         case BNX2X_VFOP_QFLR_TERMINATE:
1058                 qstate = &vfop->op_p->qctor.qstate;
1059                 memset(qstate , 0, sizeof(*qstate));
1060                 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
1061                 vfop->state = BNX2X_VFOP_QFLR_DONE;
1062
1063                 DP(BNX2X_MSG_IOV, "VF[%d] qstate during flr was %d\n",
1064                    vf->abs_vfid, qstate->q_obj->state);
1065
1066                 if (qstate->q_obj->state != BNX2X_Q_STATE_RESET) {
1067                         qstate->q_obj->state = BNX2X_Q_STATE_STOPPED;
1068                         qstate->cmd = BNX2X_Q_CMD_TERMINATE;
1069                         vfop->rc = bnx2x_queue_state_change(bp, qstate);
1070                         bnx2x_vfop_finalize(vf, vfop->rc, VFOP_VERIFY_PEND);
1071                 } else {
1072                         goto op_done;
1073                 }
1074
1075 op_err:
1076         BNX2X_ERR("QFLR[%d:%d] error: rc %d\n",
1077                   vf->abs_vfid, qid, vfop->rc);
1078 op_done:
1079         case BNX2X_VFOP_QFLR_DONE:
1080                 bnx2x_vfop_end(bp, vf, vfop);
1081                 return;
1082         default:
1083                 bnx2x_vfop_default(state);
1084         }
1085 op_pending:
1086         return;
1087 }
1088
1089 static int bnx2x_vfop_qflr_cmd(struct bnx2x *bp,
1090                                struct bnx2x_virtf *vf,
1091                                struct bnx2x_vfop_cmd *cmd,
1092                                int qid)
1093 {
1094         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1095
1096         if (vfop) {
1097                 vfop->args.qx.qid = qid;
1098                 bnx2x_vfop_opset(BNX2X_VFOP_QFLR_CLR_VLAN,
1099                                  bnx2x_vfop_qflr, cmd->done);
1100                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qflr,
1101                                              cmd->block);
1102         }
1103         return -ENOMEM;
1104 }
1105
1106 /* VFOP multi-casts */
1107 static void bnx2x_vfop_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf)
1108 {
1109         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1110         struct bnx2x_mcast_ramrod_params *mcast = &vfop->op_p->mcast;
1111         struct bnx2x_raw_obj *raw = &mcast->mcast_obj->raw;
1112         struct bnx2x_vfop_args_mcast *args = &vfop->args.mc_list;
1113         enum bnx2x_vfop_mcast_state state = vfop->state;
1114         int i;
1115
1116         bnx2x_vfop_reset_wq(vf);
1117
1118         if (vfop->rc < 0)
1119                 goto op_err;
1120
1121         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1122
1123         switch (state) {
1124         case BNX2X_VFOP_MCAST_DEL:
1125                 /* clear existing mcasts */
1126                 vfop->state = (args->mc_num) ? BNX2X_VFOP_MCAST_ADD
1127                                              : BNX2X_VFOP_MCAST_CHK_DONE;
1128                 mcast->mcast_list_len = vf->mcast_list_len;
1129                 vf->mcast_list_len = args->mc_num;
1130                 vfop->rc = bnx2x_config_mcast(bp, mcast, BNX2X_MCAST_CMD_DEL);
1131                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1132
1133         case BNX2X_VFOP_MCAST_ADD:
1134                 if (raw->check_pending(raw))
1135                         goto op_pending;
1136
1137                 /* update mcast list on the ramrod params */
1138                 INIT_LIST_HEAD(&mcast->mcast_list);
1139                 for (i = 0; i < args->mc_num; i++)
1140                         list_add_tail(&(args->mc[i].link),
1141                                       &mcast->mcast_list);
1142                 mcast->mcast_list_len = args->mc_num;
1143
1144                 /* add new mcasts */
1145                 vfop->state = BNX2X_VFOP_MCAST_CHK_DONE;
1146                 vfop->rc = bnx2x_config_mcast(bp, mcast,
1147                                               BNX2X_MCAST_CMD_ADD);
1148                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1149
1150         case BNX2X_VFOP_MCAST_CHK_DONE:
1151                 vfop->rc = raw->check_pending(raw) ? 1 : 0;
1152                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1153         default:
1154                 bnx2x_vfop_default(state);
1155         }
1156 op_err:
1157         BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop->rc);
1158 op_done:
1159         kfree(args->mc);
1160         bnx2x_vfop_end(bp, vf, vfop);
1161 op_pending:
1162         return;
1163 }
1164
1165 int bnx2x_vfop_mcast_cmd(struct bnx2x *bp,
1166                          struct bnx2x_virtf *vf,
1167                          struct bnx2x_vfop_cmd *cmd,
1168                          bnx2x_mac_addr_t *mcasts,
1169                          int mcast_num, bool drv_only)
1170 {
1171         struct bnx2x_vfop *vfop = NULL;
1172         size_t mc_sz = mcast_num * sizeof(struct bnx2x_mcast_list_elem);
1173         struct bnx2x_mcast_list_elem *mc = mc_sz ? kzalloc(mc_sz, GFP_KERNEL) :
1174                                            NULL;
1175
1176         if (!mc_sz || mc) {
1177                 vfop = bnx2x_vfop_add(bp, vf);
1178                 if (vfop) {
1179                         int i;
1180                         struct bnx2x_mcast_ramrod_params *ramrod =
1181                                 &vf->op_params.mcast;
1182
1183                         /* set ramrod params */
1184                         memset(ramrod, 0, sizeof(*ramrod));
1185                         ramrod->mcast_obj = &vf->mcast_obj;
1186                         if (drv_only)
1187                                 set_bit(RAMROD_DRV_CLR_ONLY,
1188                                         &ramrod->ramrod_flags);
1189
1190                         /* copy mcasts pointers */
1191                         vfop->args.mc_list.mc_num = mcast_num;
1192                         vfop->args.mc_list.mc = mc;
1193                         for (i = 0; i < mcast_num; i++)
1194                                 mc[i].mac = mcasts[i];
1195
1196                         bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL,
1197                                          bnx2x_vfop_mcast, cmd->done);
1198                         return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mcast,
1199                                                      cmd->block);
1200                 } else {
1201                         kfree(mc);
1202                 }
1203         }
1204         return -ENOMEM;
1205 }
1206
1207 /* VFOP rx-mode */
1208 static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf)
1209 {
1210         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1211         struct bnx2x_rx_mode_ramrod_params *ramrod = &vfop->op_p->rx_mode;
1212         enum bnx2x_vfop_rxmode_state state = vfop->state;
1213
1214         bnx2x_vfop_reset_wq(vf);
1215
1216         if (vfop->rc < 0)
1217                 goto op_err;
1218
1219         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1220
1221         switch (state) {
1222         case BNX2X_VFOP_RXMODE_CONFIG:
1223                 /* next state */
1224                 vfop->state = BNX2X_VFOP_RXMODE_DONE;
1225
1226                 /* record the accept flags in vfdb so hypervisor can modify them
1227                  * if necessary
1228                  */
1229                 bnx2x_vfq(vf, ramrod->cl_id - vf->igu_base_id, accept_flags) =
1230                         ramrod->rx_accept_flags;
1231                 vfop->rc = bnx2x_config_rx_mode(bp, ramrod);
1232                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1233 op_err:
1234                 BNX2X_ERR("RXMODE error: rc %d\n", vfop->rc);
1235 op_done:
1236         case BNX2X_VFOP_RXMODE_DONE:
1237                 bnx2x_vfop_end(bp, vf, vfop);
1238                 return;
1239         default:
1240                 bnx2x_vfop_default(state);
1241         }
1242 op_pending:
1243         return;
1244 }
1245
1246 static void bnx2x_vf_prep_rx_mode(struct bnx2x *bp, u8 qid,
1247                                   struct bnx2x_rx_mode_ramrod_params *ramrod,
1248                                   struct bnx2x_virtf *vf,
1249                                   unsigned long accept_flags)
1250 {
1251         struct bnx2x_vf_queue *vfq = vfq_get(vf, qid);
1252
1253         memset(ramrod, 0, sizeof(*ramrod));
1254         ramrod->cid = vfq->cid;
1255         ramrod->cl_id = vfq_cl_id(vf, vfq);
1256         ramrod->rx_mode_obj = &bp->rx_mode_obj;
1257         ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid);
1258         ramrod->rx_accept_flags = accept_flags;
1259         ramrod->tx_accept_flags = accept_flags;
1260         ramrod->pstate = &vf->filter_state;
1261         ramrod->state = BNX2X_FILTER_RX_MODE_PENDING;
1262
1263         set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
1264         set_bit(RAMROD_RX, &ramrod->ramrod_flags);
1265         set_bit(RAMROD_TX, &ramrod->ramrod_flags);
1266
1267         ramrod->rdata = bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2);
1268         ramrod->rdata_mapping = bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2);
1269 }
1270
1271 int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp,
1272                           struct bnx2x_virtf *vf,
1273                           struct bnx2x_vfop_cmd *cmd,
1274                           int qid, unsigned long accept_flags)
1275 {
1276         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1277
1278         if (vfop) {
1279                 struct bnx2x_rx_mode_ramrod_params *ramrod =
1280                         &vf->op_params.rx_mode;
1281
1282                 bnx2x_vf_prep_rx_mode(bp, qid, ramrod, vf, accept_flags);
1283
1284                 bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG,
1285                                  bnx2x_vfop_rxmode, cmd->done);
1286                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rxmode,
1287                                              cmd->block);
1288         }
1289         return -ENOMEM;
1290 }
1291
1292 /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs,
1293  * queue destructor)
1294  */
1295 static void bnx2x_vfop_qdown(struct bnx2x *bp, struct bnx2x_virtf *vf)
1296 {
1297         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1298         int qid = vfop->args.qx.qid;
1299         enum bnx2x_vfop_qteardown_state state = vfop->state;
1300         struct bnx2x_vfop_cmd cmd;
1301
1302         if (vfop->rc < 0)
1303                 goto op_err;
1304
1305         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1306
1307         cmd.done = bnx2x_vfop_qdown;
1308         cmd.block = false;
1309
1310         switch (state) {
1311         case BNX2X_VFOP_QTEARDOWN_RXMODE:
1312                 /* Drop all */
1313                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_VLAN;
1314                 vfop->rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, qid, 0);
1315                 if (vfop->rc)
1316                         goto op_err;
1317                 return;
1318
1319         case BNX2X_VFOP_QTEARDOWN_CLR_VLAN:
1320                 /* vlan-clear-all: don't consume credit */
1321                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MAC;
1322                 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, false);
1323                 if (vfop->rc)
1324                         goto op_err;
1325                 return;
1326
1327         case BNX2X_VFOP_QTEARDOWN_CLR_MAC:
1328                 /* mac-clear-all: consume credit */
1329                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MCAST;
1330                 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, false);
1331                 if (vfop->rc)
1332                         goto op_err;
1333                 return;
1334
1335         case BNX2X_VFOP_QTEARDOWN_CLR_MCAST:
1336                 vfop->state = BNX2X_VFOP_QTEARDOWN_QDTOR;
1337                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, 0, false);
1338                 if (vfop->rc)
1339                         goto op_err;
1340                 return;
1341
1342         case BNX2X_VFOP_QTEARDOWN_QDTOR:
1343                 /* run the queue destruction flow */
1344                 DP(BNX2X_MSG_IOV, "case: BNX2X_VFOP_QTEARDOWN_QDTOR\n");
1345                 vfop->state = BNX2X_VFOP_QTEARDOWN_DONE;
1346                 DP(BNX2X_MSG_IOV, "new state: BNX2X_VFOP_QTEARDOWN_DONE\n");
1347                 vfop->rc = bnx2x_vfop_qdtor_cmd(bp, vf, &cmd, qid);
1348                 DP(BNX2X_MSG_IOV, "returned from cmd\n");
1349                 if (vfop->rc)
1350                         goto op_err;
1351                 return;
1352 op_err:
1353         BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n",
1354                   vf->abs_vfid, qid, vfop->rc);
1355
1356         case BNX2X_VFOP_QTEARDOWN_DONE:
1357                 bnx2x_vfop_end(bp, vf, vfop);
1358                 return;
1359         default:
1360                 bnx2x_vfop_default(state);
1361         }
1362 }
1363
1364 int bnx2x_vfop_qdown_cmd(struct bnx2x *bp,
1365                          struct bnx2x_virtf *vf,
1366                          struct bnx2x_vfop_cmd *cmd,
1367                          int qid)
1368 {
1369         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1370
1371         /* for non leading queues skip directly to qdown sate */
1372         if (vfop) {
1373                 vfop->args.qx.qid = qid;
1374                 bnx2x_vfop_opset(qid == LEADING_IDX ?
1375                                  BNX2X_VFOP_QTEARDOWN_RXMODE :
1376                                  BNX2X_VFOP_QTEARDOWN_QDTOR, bnx2x_vfop_qdown,
1377                                  cmd->done);
1378                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdown,
1379                                              cmd->block);
1380         }
1381
1382         return -ENOMEM;
1383 }
1384
1385 /* VF enable primitives
1386  * when pretend is required the caller is responsible
1387  * for calling pretend prior to calling these routines
1388  */
1389
1390 /* internal vf enable - until vf is enabled internally all transactions
1391  * are blocked. This routine should always be called last with pretend.
1392  */
1393 static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable)
1394 {
1395         REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0);
1396 }
1397
1398 /* clears vf error in all semi blocks */
1399 static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid)
1400 {
1401         REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid);
1402         REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid);
1403         REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid);
1404         REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid);
1405 }
1406
1407 static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid)
1408 {
1409         u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5;
1410         u32 was_err_reg = 0;
1411
1412         switch (was_err_group) {
1413         case 0:
1414             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR;
1415             break;
1416         case 1:
1417             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR;
1418             break;
1419         case 2:
1420             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR;
1421             break;
1422         case 3:
1423             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR;
1424             break;
1425         }
1426         REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f));
1427 }
1428
1429 static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf)
1430 {
1431         int i;
1432         u32 val;
1433
1434         /* Set VF masks and configuration - pretend */
1435         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1436
1437         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
1438         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
1439         REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
1440         REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
1441         REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
1442         REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
1443
1444         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
1445         val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN);
1446         if (vf->cfg_flags & VF_CFG_INT_SIMD)
1447                 val |= IGU_VF_CONF_SINGLE_ISR_EN;
1448         val &= ~IGU_VF_CONF_PARENT_MASK;
1449         val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */
1450         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
1451
1452         DP(BNX2X_MSG_IOV,
1453            "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n",
1454            vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION));
1455
1456         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1457
1458         /* iterate over all queues, clear sb consumer */
1459         for (i = 0; i < vf_sb_count(vf); i++) {
1460                 u8 igu_sb_id = vf_igu_sb(vf, i);
1461
1462                 /* zero prod memory */
1463                 REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0);
1464
1465                 /* clear sb state machine */
1466                 bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id,
1467                                        false /* VF */);
1468
1469                 /* disable + update */
1470                 bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0,
1471                                     IGU_INT_DISABLE, 1);
1472         }
1473 }
1474
1475 void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid)
1476 {
1477         /* set the VF-PF association in the FW */
1478         storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp));
1479         storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1);
1480
1481         /* clear vf errors*/
1482         bnx2x_vf_semi_clear_err(bp, abs_vfid);
1483         bnx2x_vf_pglue_clear_err(bp, abs_vfid);
1484
1485         /* internal vf-enable - pretend */
1486         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid));
1487         DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid);
1488         bnx2x_vf_enable_internal(bp, true);
1489         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1490 }
1491
1492 static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf)
1493 {
1494         /* Reset vf in IGU  interrupts are still disabled */
1495         bnx2x_vf_igu_reset(bp, vf);
1496
1497         /* pretend to enable the vf with the PBF */
1498         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1499         REG_WR(bp, PBF_REG_DISABLE_VF, 0);
1500         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1501 }
1502
1503 static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid)
1504 {
1505         struct pci_dev *dev;
1506         struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
1507
1508         if (!vf)
1509                 return false;
1510
1511         dev = pci_get_bus_and_slot(vf->bus, vf->devfn);
1512         if (dev)
1513                 return bnx2x_is_pcie_pending(dev);
1514         return false;
1515 }
1516
1517 int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid)
1518 {
1519         /* Verify no pending pci transactions */
1520         if (bnx2x_vf_is_pcie_pending(bp, abs_vfid))
1521                 BNX2X_ERR("PCIE Transactions still pending\n");
1522
1523         return 0;
1524 }
1525
1526 /* must be called after the number of PF queues and the number of VFs are
1527  * both known
1528  */
1529 static void
1530 bnx2x_iov_static_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1531 {
1532         struct vf_pf_resc_request *resc = &vf->alloc_resc;
1533         u16 vlan_count = 0;
1534
1535         /* will be set only during VF-ACQUIRE */
1536         resc->num_rxqs = 0;
1537         resc->num_txqs = 0;
1538
1539         /* no credit calculations for macs (just yet) */
1540         resc->num_mac_filters = 1;
1541
1542         /* divvy up vlan rules */
1543         vlan_count = bp->vlans_pool.check(&bp->vlans_pool);
1544         vlan_count = 1 << ilog2(vlan_count);
1545         resc->num_vlan_filters = vlan_count / BNX2X_NR_VIRTFN(bp);
1546
1547         /* no real limitation */
1548         resc->num_mc_filters = 0;
1549
1550         /* num_sbs already set */
1551         resc->num_sbs = vf->sb_count;
1552 }
1553
1554 /* FLR routines: */
1555 static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1556 {
1557         /* reset the state variables */
1558         bnx2x_iov_static_resc(bp, vf);
1559         vf->state = VF_FREE;
1560 }
1561
1562 static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf)
1563 {
1564         u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1565
1566         /* DQ usage counter */
1567         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1568         bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT,
1569                                         "DQ VF usage counter timed out",
1570                                         poll_cnt);
1571         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1572
1573         /* FW cleanup command - poll for the results */
1574         if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid),
1575                                    poll_cnt))
1576                 BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid);
1577
1578         /* verify TX hw is flushed */
1579         bnx2x_tx_hw_flushed(bp, poll_cnt);
1580 }
1581
1582 static void bnx2x_vfop_flr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1583 {
1584         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1585         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
1586         enum bnx2x_vfop_flr_state state = vfop->state;
1587         struct bnx2x_vfop_cmd cmd = {
1588                 .done = bnx2x_vfop_flr,
1589                 .block = false,
1590         };
1591
1592         if (vfop->rc < 0)
1593                 goto op_err;
1594
1595         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1596
1597         switch (state) {
1598         case BNX2X_VFOP_FLR_QUEUES:
1599                 /* the cleanup operations are valid if and only if the VF
1600                  * was first acquired.
1601                  */
1602                 if (++(qx->qid) < vf_rxq_count(vf)) {
1603                         vfop->rc = bnx2x_vfop_qflr_cmd(bp, vf, &cmd,
1604                                                        qx->qid);
1605                         if (vfop->rc)
1606                                 goto op_err;
1607                         return;
1608                 }
1609                 /* remove multicasts */
1610                 vfop->state = BNX2X_VFOP_FLR_HW;
1611                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL,
1612                                                 0, true);
1613                 if (vfop->rc)
1614                         goto op_err;
1615                 return;
1616         case BNX2X_VFOP_FLR_HW:
1617
1618                 /* dispatch final cleanup and wait for HW queues to flush */
1619                 bnx2x_vf_flr_clnup_hw(bp, vf);
1620
1621                 /* release VF resources */
1622                 bnx2x_vf_free_resc(bp, vf);
1623
1624                 /* re-open the mailbox */
1625                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
1626
1627                 goto op_done;
1628         default:
1629                 bnx2x_vfop_default(state);
1630         }
1631 op_err:
1632         BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf->abs_vfid, vfop->rc);
1633 op_done:
1634         vf->flr_clnup_stage = VF_FLR_ACK;
1635         bnx2x_vfop_end(bp, vf, vfop);
1636         bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1637 }
1638
1639 static int bnx2x_vfop_flr_cmd(struct bnx2x *bp,
1640                               struct bnx2x_virtf *vf,
1641                               vfop_handler_t done)
1642 {
1643         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1644         if (vfop) {
1645                 vfop->args.qx.qid = -1; /* loop */
1646                 bnx2x_vfop_opset(BNX2X_VFOP_FLR_QUEUES,
1647                                  bnx2x_vfop_flr, done);
1648                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_flr, false);
1649         }
1650         return -ENOMEM;
1651 }
1652
1653 static void bnx2x_vf_flr_clnup(struct bnx2x *bp, struct bnx2x_virtf *prev_vf)
1654 {
1655         int i = prev_vf ? prev_vf->index + 1 : 0;
1656         struct bnx2x_virtf *vf;
1657
1658         /* find next VF to cleanup */
1659 next_vf_to_clean:
1660         for (;
1661              i < BNX2X_NR_VIRTFN(bp) &&
1662              (bnx2x_vf(bp, i, state) != VF_RESET ||
1663               bnx2x_vf(bp, i, flr_clnup_stage) != VF_FLR_CLN);
1664              i++)
1665                 ;
1666
1667         DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. Num of vfs: %d\n", i,
1668            BNX2X_NR_VIRTFN(bp));
1669
1670         if (i < BNX2X_NR_VIRTFN(bp)) {
1671                 vf = BP_VF(bp, i);
1672
1673                 /* lock the vf pf channel */
1674                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1675
1676                 /* invoke the VF FLR SM */
1677                 if (bnx2x_vfop_flr_cmd(bp, vf, bnx2x_vf_flr_clnup)) {
1678                         BNX2X_ERR("VF[%d]: FLR cleanup failed -ENOMEM\n",
1679                                   vf->abs_vfid);
1680
1681                         /* mark the VF to be ACKED and continue */
1682                         vf->flr_clnup_stage = VF_FLR_ACK;
1683                         goto next_vf_to_clean;
1684                 }
1685                 return;
1686         }
1687
1688         /* we are done, update vf records */
1689         for_each_vf(bp, i) {
1690                 vf = BP_VF(bp, i);
1691
1692                 if (vf->flr_clnup_stage != VF_FLR_ACK)
1693                         continue;
1694
1695                 vf->flr_clnup_stage = VF_FLR_EPILOG;
1696         }
1697
1698         /* Acknowledge the handled VFs.
1699          * we are acknowledge all the vfs which an flr was requested for, even
1700          * if amongst them there are such that we never opened, since the mcp
1701          * will interrupt us immediately again if we only ack some of the bits,
1702          * resulting in an endless loop. This can happen for example in KVM
1703          * where an 'all ones' flr request is sometimes given by hyper visor
1704          */
1705         DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n",
1706            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1707         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1708                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i],
1709                           bp->vfdb->flrd_vfs[i]);
1710
1711         bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0);
1712
1713         /* clear the acked bits - better yet if the MCP implemented
1714          * write to clear semantics
1715          */
1716         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1717                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0);
1718 }
1719
1720 void bnx2x_vf_handle_flr_event(struct bnx2x *bp)
1721 {
1722         int i;
1723
1724         /* Read FLR'd VFs */
1725         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1726                 bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]);
1727
1728         DP(BNX2X_MSG_MCP,
1729            "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n",
1730            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1731
1732         for_each_vf(bp, i) {
1733                 struct bnx2x_virtf *vf = BP_VF(bp, i);
1734                 u32 reset = 0;
1735
1736                 if (vf->abs_vfid < 32)
1737                         reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid);
1738                 else
1739                         reset = bp->vfdb->flrd_vfs[1] &
1740                                 (1 << (vf->abs_vfid - 32));
1741
1742                 if (reset) {
1743                         /* set as reset and ready for cleanup */
1744                         vf->state = VF_RESET;
1745                         vf->flr_clnup_stage = VF_FLR_CLN;
1746
1747                         DP(BNX2X_MSG_IOV,
1748                            "Initiating Final cleanup for VF %d\n",
1749                            vf->abs_vfid);
1750                 }
1751         }
1752
1753         /* do the FLR cleanup for all marked VFs*/
1754         bnx2x_vf_flr_clnup(bp, NULL);
1755 }
1756
1757 /* IOV global initialization routines  */
1758 void bnx2x_iov_init_dq(struct bnx2x *bp)
1759 {
1760         if (!IS_SRIOV(bp))
1761                 return;
1762
1763         /* Set the DQ such that the CID reflect the abs_vfid */
1764         REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0);
1765         REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS));
1766
1767         /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to
1768          * the PF L2 queues
1769          */
1770         REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID);
1771
1772         /* The VF window size is the log2 of the max number of CIDs per VF */
1773         REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND);
1774
1775         /* The VF doorbell size  0 - *B, 4 - 128B. We set it here to match
1776          * the Pf doorbell size although the 2 are independent.
1777          */
1778         REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST, 3);
1779
1780         /* No security checks for now -
1781          * configure single rule (out of 16) mask = 0x1, value = 0x0,
1782          * CID range 0 - 0x1ffff
1783          */
1784         REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1);
1785         REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0);
1786         REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0);
1787         REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff);
1788
1789         /* set the VF doorbell threshold */
1790         REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4);
1791 }
1792
1793 void bnx2x_iov_init_dmae(struct bnx2x *bp)
1794 {
1795         if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV))
1796                 REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
1797 }
1798
1799 static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
1800 {
1801         struct pci_dev *dev = bp->pdev;
1802         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1803
1804         return dev->bus->number + ((dev->devfn + iov->offset +
1805                                     iov->stride * vfid) >> 8);
1806 }
1807
1808 static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid)
1809 {
1810         struct pci_dev *dev = bp->pdev;
1811         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1812
1813         return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff;
1814 }
1815
1816 static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf)
1817 {
1818         int i, n;
1819         struct pci_dev *dev = bp->pdev;
1820         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1821
1822         for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) {
1823                 u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i);
1824                 u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i);
1825
1826                 size /= iov->total;
1827                 vf->bars[n].bar = start + size * vf->abs_vfid;
1828                 vf->bars[n].size = size;
1829         }
1830 }
1831
1832 static int bnx2x_ari_enabled(struct pci_dev *dev)
1833 {
1834         return dev->bus->self && dev->bus->self->ari_enabled;
1835 }
1836
1837 static void
1838 bnx2x_get_vf_igu_cam_info(struct bnx2x *bp)
1839 {
1840         int sb_id;
1841         u32 val;
1842         u8 fid, current_pf = 0;
1843
1844         /* IGU in normal mode - read CAM */
1845         for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) {
1846                 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4);
1847                 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
1848                         continue;
1849                 fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID);
1850                 if (fid & IGU_FID_ENCODE_IS_PF)
1851                         current_pf = fid & IGU_FID_PF_NUM_MASK;
1852                 else if (current_pf == BP_FUNC(bp))
1853                         bnx2x_vf_set_igu_info(bp, sb_id,
1854                                               (fid & IGU_FID_VF_NUM_MASK));
1855                 DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n",
1856                    ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"),
1857                    ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) :
1858                    (fid & IGU_FID_VF_NUM_MASK)), sb_id,
1859                    GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR));
1860         }
1861         DP(BNX2X_MSG_IOV, "vf_sbs_pool is %d\n", BP_VFDB(bp)->vf_sbs_pool);
1862 }
1863
1864 static void __bnx2x_iov_free_vfdb(struct bnx2x *bp)
1865 {
1866         if (bp->vfdb) {
1867                 kfree(bp->vfdb->vfqs);
1868                 kfree(bp->vfdb->vfs);
1869                 kfree(bp->vfdb);
1870         }
1871         bp->vfdb = NULL;
1872 }
1873
1874 static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1875 {
1876         int pos;
1877         struct pci_dev *dev = bp->pdev;
1878
1879         pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
1880         if (!pos) {
1881                 BNX2X_ERR("failed to find SRIOV capability in device\n");
1882                 return -ENODEV;
1883         }
1884
1885         iov->pos = pos;
1886         DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos);
1887         pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
1888         pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total);
1889         pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial);
1890         pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
1891         pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
1892         pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
1893         pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap);
1894         pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
1895
1896         return 0;
1897 }
1898
1899 static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1900 {
1901         u32 val;
1902
1903         /* read the SRIOV capability structure
1904          * The fields can be read via configuration read or
1905          * directly from the device (starting at offset PCICFG_OFFSET)
1906          */
1907         if (bnx2x_sriov_pci_cfg_info(bp, iov))
1908                 return -ENODEV;
1909
1910         /* get the number of SRIOV bars */
1911         iov->nres = 0;
1912
1913         /* read the first_vfid */
1914         val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF);
1915         iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK)
1916                                * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp));
1917
1918         DP(BNX2X_MSG_IOV,
1919            "IOV info[%d]: first vf %d, nres %d, cap 0x%x, ctrl 0x%x, total %d, initial %d, num vfs %d, offset %d, stride %d, page size 0x%x\n",
1920            BP_FUNC(bp),
1921            iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total,
1922            iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
1923
1924         return 0;
1925 }
1926
1927 /* must be called after PF bars are mapped */
1928 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
1929                        int num_vfs_param)
1930 {
1931         int err, i;
1932         struct bnx2x_sriov *iov;
1933         struct pci_dev *dev = bp->pdev;
1934
1935         bp->vfdb = NULL;
1936
1937         /* verify is pf */
1938         if (IS_VF(bp))
1939                 return 0;
1940
1941         /* verify sriov capability is present in configuration space */
1942         if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV))
1943                 return 0;
1944
1945         /* verify chip revision */
1946         if (CHIP_IS_E1x(bp))
1947                 return 0;
1948
1949         /* check if SRIOV support is turned off */
1950         if (!num_vfs_param)
1951                 return 0;
1952
1953         /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */
1954         if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) {
1955                 BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n",
1956                           BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID);
1957                 return 0;
1958         }
1959
1960         /* SRIOV can be enabled only with MSIX */
1961         if (int_mode_param == BNX2X_INT_MODE_MSI ||
1962             int_mode_param == BNX2X_INT_MODE_INTX) {
1963                 BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n");
1964                 return 0;
1965         }
1966
1967         err = -EIO;
1968         /* verify ari is enabled */
1969         if (!bnx2x_ari_enabled(bp->pdev)) {
1970                 BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n");
1971                 return 0;
1972         }
1973
1974         /* verify igu is in normal mode */
1975         if (CHIP_INT_MODE_IS_BC(bp)) {
1976                 BNX2X_ERR("IGU not normal mode,  SRIOV can not be enabled\n");
1977                 return 0;
1978         }
1979
1980         /* allocate the vfs database */
1981         bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL);
1982         if (!bp->vfdb) {
1983                 BNX2X_ERR("failed to allocate vf database\n");
1984                 err = -ENOMEM;
1985                 goto failed;
1986         }
1987
1988         /* get the sriov info - Linux already collected all the pertinent
1989          * information, however the sriov structure is for the private use
1990          * of the pci module. Also we want this information regardless
1991          * of the hyper-visor.
1992          */
1993         iov = &(bp->vfdb->sriov);
1994         err = bnx2x_sriov_info(bp, iov);
1995         if (err)
1996                 goto failed;
1997
1998         /* SR-IOV capability was enabled but there are no VFs*/
1999         if (iov->total == 0)
2000                 goto failed;
2001
2002         iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param);
2003
2004         DP(BNX2X_MSG_IOV, "num_vfs_param was %d, nr_virtfn was %d\n",
2005            num_vfs_param, iov->nr_virtfn);
2006
2007         /* allocate the vf array */
2008         bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) *
2009                                 BNX2X_NR_VIRTFN(bp), GFP_KERNEL);
2010         if (!bp->vfdb->vfs) {
2011                 BNX2X_ERR("failed to allocate vf array\n");
2012                 err = -ENOMEM;
2013                 goto failed;
2014         }
2015
2016         /* Initial VF init - index and abs_vfid - nr_virtfn must be set */
2017         for_each_vf(bp, i) {
2018                 bnx2x_vf(bp, i, index) = i;
2019                 bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i;
2020                 bnx2x_vf(bp, i, state) = VF_FREE;
2021                 INIT_LIST_HEAD(&bnx2x_vf(bp, i, op_list_head));
2022                 mutex_init(&bnx2x_vf(bp, i, op_mutex));
2023                 bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE;
2024         }
2025
2026         /* re-read the IGU CAM for VFs - index and abs_vfid must be set */
2027         bnx2x_get_vf_igu_cam_info(bp);
2028
2029         /* allocate the queue arrays for all VFs */
2030         bp->vfdb->vfqs = kzalloc(
2031                 BNX2X_MAX_NUM_VF_QUEUES * sizeof(struct bnx2x_vf_queue),
2032                 GFP_KERNEL);
2033
2034         DP(BNX2X_MSG_IOV, "bp->vfdb->vfqs was %p\n", bp->vfdb->vfqs);
2035
2036         if (!bp->vfdb->vfqs) {
2037                 BNX2X_ERR("failed to allocate vf queue array\n");
2038                 err = -ENOMEM;
2039                 goto failed;
2040         }
2041
2042         return 0;
2043 failed:
2044         DP(BNX2X_MSG_IOV, "Failed err=%d\n", err);
2045         __bnx2x_iov_free_vfdb(bp);
2046         return err;
2047 }
2048
2049 void bnx2x_iov_remove_one(struct bnx2x *bp)
2050 {
2051         int vf_idx;
2052
2053         /* if SRIOV is not enabled there's nothing to do */
2054         if (!IS_SRIOV(bp))
2055                 return;
2056
2057         DP(BNX2X_MSG_IOV, "about to call disable sriov\n");
2058         pci_disable_sriov(bp->pdev);
2059         DP(BNX2X_MSG_IOV, "sriov disabled\n");
2060
2061         /* disable access to all VFs */
2062         for (vf_idx = 0; vf_idx < bp->vfdb->sriov.total; vf_idx++) {
2063                 bnx2x_pretend_func(bp,
2064                                    HW_VF_HANDLE(bp,
2065                                                 bp->vfdb->sriov.first_vf_in_pf +
2066                                                 vf_idx));
2067                 DP(BNX2X_MSG_IOV, "disabling internal access for vf %d\n",
2068                    bp->vfdb->sriov.first_vf_in_pf + vf_idx);
2069                 bnx2x_vf_enable_internal(bp, 0);
2070                 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2071         }
2072
2073         /* free vf database */
2074         __bnx2x_iov_free_vfdb(bp);
2075 }
2076
2077 void bnx2x_iov_free_mem(struct bnx2x *bp)
2078 {
2079         int i;
2080
2081         if (!IS_SRIOV(bp))
2082                 return;
2083
2084         /* free vfs hw contexts */
2085         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2086                 struct hw_dma *cxt = &bp->vfdb->context[i];
2087                 BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size);
2088         }
2089
2090         BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr,
2091                        BP_VFDB(bp)->sp_dma.mapping,
2092                        BP_VFDB(bp)->sp_dma.size);
2093
2094         BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr,
2095                        BP_VF_MBX_DMA(bp)->mapping,
2096                        BP_VF_MBX_DMA(bp)->size);
2097
2098         BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr,
2099                        BP_VF_BULLETIN_DMA(bp)->mapping,
2100                        BP_VF_BULLETIN_DMA(bp)->size);
2101 }
2102
2103 int bnx2x_iov_alloc_mem(struct bnx2x *bp)
2104 {
2105         size_t tot_size;
2106         int i, rc = 0;
2107
2108         if (!IS_SRIOV(bp))
2109                 return rc;
2110
2111         /* allocate vfs hw contexts */
2112         tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) *
2113                 BNX2X_CIDS_PER_VF * sizeof(union cdu_context);
2114
2115         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2116                 struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i);
2117                 cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ);
2118
2119                 if (cxt->size) {
2120                         BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size);
2121                 } else {
2122                         cxt->addr = NULL;
2123                         cxt->mapping = 0;
2124                 }
2125                 tot_size -= cxt->size;
2126         }
2127
2128         /* allocate vfs ramrods dma memory - client_init and set_mac */
2129         tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp);
2130         BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping,
2131                         tot_size);
2132         BP_VFDB(bp)->sp_dma.size = tot_size;
2133
2134         /* allocate mailboxes */
2135         tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE;
2136         BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping,
2137                         tot_size);
2138         BP_VF_MBX_DMA(bp)->size = tot_size;
2139
2140         /* allocate local bulletin boards */
2141         tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE;
2142         BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp)->addr,
2143                         &BP_VF_BULLETIN_DMA(bp)->mapping, tot_size);
2144         BP_VF_BULLETIN_DMA(bp)->size = tot_size;
2145
2146         return 0;
2147
2148 alloc_mem_err:
2149         return -ENOMEM;
2150 }
2151
2152 static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
2153                            struct bnx2x_vf_queue *q)
2154 {
2155         u8 cl_id = vfq_cl_id(vf, q);
2156         u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
2157         unsigned long q_type = 0;
2158
2159         set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
2160         set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
2161
2162         /* Queue State object */
2163         bnx2x_init_queue_obj(bp, &q->sp_obj,
2164                              cl_id, &q->cid, 1, func_id,
2165                              bnx2x_vf_sp(bp, vf, q_data),
2166                              bnx2x_vf_sp_map(bp, vf, q_data),
2167                              q_type);
2168
2169         DP(BNX2X_MSG_IOV,
2170            "initialized vf %d's queue object. func id set to %d. cid set to 0x%x\n",
2171            vf->abs_vfid, q->sp_obj.func_id, q->cid);
2172 }
2173
2174 /* called by bnx2x_nic_load */
2175 int bnx2x_iov_nic_init(struct bnx2x *bp)
2176 {
2177         int vfid;
2178
2179         if (!IS_SRIOV(bp)) {
2180                 DP(BNX2X_MSG_IOV, "vfdb was not allocated\n");
2181                 return 0;
2182         }
2183
2184         DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn);
2185
2186         /* let FLR complete ... */
2187         msleep(100);
2188
2189         /* initialize vf database */
2190         for_each_vf(bp, vfid) {
2191                 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2192
2193                 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) *
2194                         BNX2X_CIDS_PER_VF;
2195
2196                 union cdu_context *base_cxt = (union cdu_context *)
2197                         BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2198                         (base_vf_cid & (ILT_PAGE_CIDS-1));
2199
2200                 DP(BNX2X_MSG_IOV,
2201                    "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n",
2202                    vf->abs_vfid, vf_sb_count(vf), base_vf_cid,
2203                    BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt);
2204
2205                 /* init statically provisioned resources */
2206                 bnx2x_iov_static_resc(bp, vf);
2207
2208                 /* queues are initialized during VF-ACQUIRE */
2209
2210                 /* reserve the vf vlan credit */
2211                 bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf));
2212
2213                 vf->filter_state = 0;
2214                 vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id);
2215
2216                 /*  init mcast object - This object will be re-initialized
2217                  *  during VF-ACQUIRE with the proper cl_id and cid.
2218                  *  It needs to be initialized here so that it can be safely
2219                  *  handled by a subsequent FLR flow.
2220                  */
2221                 vf->mcast_list_len = 0;
2222                 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF,
2223                                      0xFF, 0xFF, 0xFF,
2224                                      bnx2x_vf_sp(bp, vf, mcast_rdata),
2225                                      bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2226                                      BNX2X_FILTER_MCAST_PENDING,
2227                                      &vf->filter_state,
2228                                      BNX2X_OBJ_TYPE_RX_TX);
2229
2230                 /* set the mailbox message addresses */
2231                 BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *)
2232                         (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid *
2233                         MBX_MSG_ALIGNED_SIZE);
2234
2235                 BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping +
2236                         vfid * MBX_MSG_ALIGNED_SIZE;
2237
2238                 /* Enable vf mailbox */
2239                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
2240         }
2241
2242         /* Final VF init */
2243         for_each_vf(bp, vfid) {
2244                 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2245
2246                 /* fill in the BDF and bars */
2247                 vf->bus = bnx2x_vf_bus(bp, vfid);
2248                 vf->devfn = bnx2x_vf_devfn(bp, vfid);
2249                 bnx2x_vf_set_bars(bp, vf);
2250
2251                 DP(BNX2X_MSG_IOV,
2252                    "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n",
2253                    vf->abs_vfid, vf->bus, vf->devfn,
2254                    (unsigned)vf->bars[0].bar, vf->bars[0].size,
2255                    (unsigned)vf->bars[1].bar, vf->bars[1].size,
2256                    (unsigned)vf->bars[2].bar, vf->bars[2].size);
2257         }
2258
2259         return 0;
2260 }
2261
2262 /* called by bnx2x_chip_cleanup */
2263 int bnx2x_iov_chip_cleanup(struct bnx2x *bp)
2264 {
2265         int i;
2266
2267         if (!IS_SRIOV(bp))
2268                 return 0;
2269
2270         /* release all the VFs */
2271         for_each_vf(bp, i)
2272                 bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */
2273
2274         return 0;
2275 }
2276
2277 /* called by bnx2x_init_hw_func, returns the next ilt line */
2278 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line)
2279 {
2280         int i;
2281         struct bnx2x_ilt *ilt = BP_ILT(bp);
2282
2283         if (!IS_SRIOV(bp))
2284                 return line;
2285
2286         /* set vfs ilt lines */
2287         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2288                 struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i);
2289
2290                 ilt->lines[line+i].page = hw_cxt->addr;
2291                 ilt->lines[line+i].page_mapping = hw_cxt->mapping;
2292                 ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */
2293         }
2294         return line + i;
2295 }
2296
2297 static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid)
2298 {
2299         return ((cid >= BNX2X_FIRST_VF_CID) &&
2300                 ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS));
2301 }
2302
2303 static
2304 void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp,
2305                                         struct bnx2x_vf_queue *vfq,
2306                                         union event_ring_elem *elem)
2307 {
2308         unsigned long ramrod_flags = 0;
2309         int rc = 0;
2310
2311         /* Always push next commands out, don't wait here */
2312         set_bit(RAMROD_CONT, &ramrod_flags);
2313
2314         switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
2315         case BNX2X_FILTER_MAC_PENDING:
2316                 rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem,
2317                                            &ramrod_flags);
2318                 break;
2319         case BNX2X_FILTER_VLAN_PENDING:
2320                 rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem,
2321                                             &ramrod_flags);
2322                 break;
2323         default:
2324                 BNX2X_ERR("Unsupported classification command: %d\n",
2325                           elem->message.data.eth_event.echo);
2326                 return;
2327         }
2328         if (rc < 0)
2329                 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
2330         else if (rc > 0)
2331                 DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n");
2332 }
2333
2334 static
2335 void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp,
2336                                struct bnx2x_virtf *vf)
2337 {
2338         struct bnx2x_mcast_ramrod_params rparam = {NULL};
2339         int rc;
2340
2341         rparam.mcast_obj = &vf->mcast_obj;
2342         vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw);
2343
2344         /* If there are pending mcast commands - send them */
2345         if (vf->mcast_obj.check_pending(&vf->mcast_obj)) {
2346                 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
2347                 if (rc < 0)
2348                         BNX2X_ERR("Failed to send pending mcast commands: %d\n",
2349                                   rc);
2350         }
2351 }
2352
2353 static
2354 void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp,
2355                                  struct bnx2x_virtf *vf)
2356 {
2357         smp_mb__before_clear_bit();
2358         clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
2359         smp_mb__after_clear_bit();
2360 }
2361
2362 int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem)
2363 {
2364         struct bnx2x_virtf *vf;
2365         int qidx = 0, abs_vfid;
2366         u8 opcode;
2367         u16 cid = 0xffff;
2368
2369         if (!IS_SRIOV(bp))
2370                 return 1;
2371
2372         /* first get the cid - the only events we handle here are cfc-delete
2373          * and set-mac completion
2374          */
2375         opcode = elem->message.opcode;
2376
2377         switch (opcode) {
2378         case EVENT_RING_OPCODE_CFC_DEL:
2379                 cid = SW_CID((__force __le32)
2380                              elem->message.data.cfc_del_event.cid);
2381                 DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid);
2382                 break;
2383         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2384         case EVENT_RING_OPCODE_MULTICAST_RULES:
2385         case EVENT_RING_OPCODE_FILTERS_RULES:
2386                 cid = (elem->message.data.eth_event.echo &
2387                        BNX2X_SWCID_MASK);
2388                 DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid);
2389                 break;
2390         case EVENT_RING_OPCODE_VF_FLR:
2391                 abs_vfid = elem->message.data.vf_flr_event.vf_id;
2392                 DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n",
2393                    abs_vfid);
2394                 goto get_vf;
2395         case EVENT_RING_OPCODE_MALICIOUS_VF:
2396                 abs_vfid = elem->message.data.malicious_vf_event.vf_id;
2397                 BNX2X_ERR("Got VF MALICIOUS notification abs_vfid=%d err_id=0x%x\n",
2398                           abs_vfid,
2399                           elem->message.data.malicious_vf_event.err_id);
2400                 goto get_vf;
2401         default:
2402                 return 1;
2403         }
2404
2405         /* check if the cid is the VF range */
2406         if (!bnx2x_iov_is_vf_cid(bp, cid)) {
2407                 DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid);
2408                 return 1;
2409         }
2410
2411         /* extract vf and rxq index from vf_cid - relies on the following:
2412          * 1. vfid on cid reflects the true abs_vfid
2413          * 2. The max number of VFs (per path) is 64
2414          */
2415         qidx = cid & ((1 << BNX2X_VF_CID_WND)-1);
2416         abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2417 get_vf:
2418         vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
2419
2420         if (!vf) {
2421                 BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n",
2422                           cid, abs_vfid);
2423                 return 0;
2424         }
2425
2426         switch (opcode) {
2427         case EVENT_RING_OPCODE_CFC_DEL:
2428                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n",
2429                    vf->abs_vfid, qidx);
2430                 vfq_get(vf, qidx)->sp_obj.complete_cmd(bp,
2431                                                        &vfq_get(vf,
2432                                                                 qidx)->sp_obj,
2433                                                        BNX2X_Q_CMD_CFC_DEL);
2434                 break;
2435         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2436                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n",
2437                    vf->abs_vfid, qidx);
2438                 bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem);
2439                 break;
2440         case EVENT_RING_OPCODE_MULTICAST_RULES:
2441                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n",
2442                    vf->abs_vfid, qidx);
2443                 bnx2x_vf_handle_mcast_eqe(bp, vf);
2444                 break;
2445         case EVENT_RING_OPCODE_FILTERS_RULES:
2446                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n",
2447                    vf->abs_vfid, qidx);
2448                 bnx2x_vf_handle_filters_eqe(bp, vf);
2449                 break;
2450         case EVENT_RING_OPCODE_VF_FLR:
2451         case EVENT_RING_OPCODE_MALICIOUS_VF:
2452                 /* Do nothing for now */
2453                 return 0;
2454         }
2455         /* SRIOV: reschedule any 'in_progress' operations */
2456         bnx2x_iov_sp_event(bp, cid, false);
2457
2458         return 0;
2459 }
2460
2461 static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid)
2462 {
2463         /* extract the vf from vf_cid - relies on the following:
2464          * 1. vfid on cid reflects the true abs_vfid
2465          * 2. The max number of VFs (per path) is 64
2466          */
2467         int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2468         return bnx2x_vf_by_abs_fid(bp, abs_vfid);
2469 }
2470
2471 void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
2472                                 struct bnx2x_queue_sp_obj **q_obj)
2473 {
2474         struct bnx2x_virtf *vf;
2475
2476         if (!IS_SRIOV(bp))
2477                 return;
2478
2479         vf = bnx2x_vf_by_cid(bp, vf_cid);
2480
2481         if (vf) {
2482                 /* extract queue index from vf_cid - relies on the following:
2483                  * 1. vfid on cid reflects the true abs_vfid
2484                  * 2. The max number of VFs (per path) is 64
2485                  */
2486                 int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1);
2487                 *q_obj = &bnx2x_vfq(vf, q_index, sp_obj);
2488         } else {
2489                 BNX2X_ERR("No vf matching cid %d\n", vf_cid);
2490         }
2491 }
2492
2493 void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work)
2494 {
2495         struct bnx2x_virtf *vf;
2496
2497         /* check if the cid is the VF range */
2498         if (!IS_SRIOV(bp) || !bnx2x_iov_is_vf_cid(bp, vf_cid))
2499                 return;
2500
2501         vf = bnx2x_vf_by_cid(bp, vf_cid);
2502         if (vf) {
2503                 /* set in_progress flag */
2504                 atomic_set(&vf->op_in_progress, 1);
2505                 if (queue_work)
2506                         queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
2507         }
2508 }
2509
2510 void bnx2x_iov_adjust_stats_req(struct bnx2x *bp)
2511 {
2512         int i;
2513         int first_queue_query_index, num_queues_req;
2514         dma_addr_t cur_data_offset;
2515         struct stats_query_entry *cur_query_entry;
2516         u8 stats_count = 0;
2517         bool is_fcoe = false;
2518
2519         if (!IS_SRIOV(bp))
2520                 return;
2521
2522         if (!NO_FCOE(bp))
2523                 is_fcoe = true;
2524
2525         /* fcoe adds one global request and one queue request */
2526         num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe;
2527         first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX -
2528                 (is_fcoe ? 0 : 1);
2529
2530         DP(BNX2X_MSG_IOV,
2531            "BNX2X_NUM_ETH_QUEUES %d, is_fcoe %d, first_queue_query_index %d => determined the last non virtual statistics query index is %d. Will add queries on top of that\n",
2532            BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index,
2533            first_queue_query_index + num_queues_req);
2534
2535         cur_data_offset = bp->fw_stats_data_mapping +
2536                 offsetof(struct bnx2x_fw_stats_data, queue_stats) +
2537                 num_queues_req * sizeof(struct per_queue_stats);
2538
2539         cur_query_entry = &bp->fw_stats_req->
2540                 query[first_queue_query_index + num_queues_req];
2541
2542         for_each_vf(bp, i) {
2543                 int j;
2544                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2545
2546                 if (vf->state != VF_ENABLED) {
2547                         DP(BNX2X_MSG_IOV,
2548                            "vf %d not enabled so no stats for it\n",
2549                            vf->abs_vfid);
2550                         continue;
2551                 }
2552
2553                 DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid);
2554                 for_each_vfq(vf, j) {
2555                         struct bnx2x_vf_queue *rxq = vfq_get(vf, j);
2556
2557                         dma_addr_t q_stats_addr =
2558                                 vf->fw_stat_map + j * vf->stats_stride;
2559
2560                         /* collect stats fro active queues only */
2561                         if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) ==
2562                             BNX2X_Q_LOGICAL_STATE_STOPPED)
2563                                 continue;
2564
2565                         /* create stats query entry for this queue */
2566                         cur_query_entry->kind = STATS_TYPE_QUEUE;
2567                         cur_query_entry->index = vfq_stat_id(vf, rxq);
2568                         cur_query_entry->funcID =
2569                                 cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid));
2570                         cur_query_entry->address.hi =
2571                                 cpu_to_le32(U64_HI(q_stats_addr));
2572                         cur_query_entry->address.lo =
2573                                 cpu_to_le32(U64_LO(q_stats_addr));
2574                         DP(BNX2X_MSG_IOV,
2575                            "added address %x %x for vf %d queue %d client %d\n",
2576                            cur_query_entry->address.hi,
2577                            cur_query_entry->address.lo, cur_query_entry->funcID,
2578                            j, cur_query_entry->index);
2579                         cur_query_entry++;
2580                         cur_data_offset += sizeof(struct per_queue_stats);
2581                         stats_count++;
2582
2583                         /* all stats are coalesced to the leading queue */
2584                         if (vf->cfg_flags & VF_CFG_STATS_COALESCE)
2585                                 break;
2586                 }
2587         }
2588         bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count;
2589 }
2590
2591 void bnx2x_iov_sp_task(struct bnx2x *bp)
2592 {
2593         int i;
2594
2595         if (!IS_SRIOV(bp))
2596                 return;
2597         /* Iterate over all VFs and invoke state transition for VFs with
2598          * 'in-progress' slow-path operations
2599          */
2600         DP(BNX2X_MSG_IOV, "searching for pending vf operations\n");
2601         for_each_vf(bp, i) {
2602                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2603
2604                 if (!vf) {
2605                         BNX2X_ERR("VF was null! skipping...\n");
2606                         continue;
2607                 }
2608
2609                 if (!list_empty(&vf->op_list_head) &&
2610                     atomic_read(&vf->op_in_progress)) {
2611                         DP(BNX2X_MSG_IOV, "running pending op for vf %d\n", i);
2612                         bnx2x_vfop_cur(bp, vf)->transition(bp, vf);
2613                 }
2614         }
2615 }
2616
2617 static inline
2618 struct bnx2x_virtf *__vf_from_stat_id(struct bnx2x *bp, u8 stat_id)
2619 {
2620         int i;
2621         struct bnx2x_virtf *vf = NULL;
2622
2623         for_each_vf(bp, i) {
2624                 vf = BP_VF(bp, i);
2625                 if (stat_id >= vf->igu_base_id &&
2626                     stat_id < vf->igu_base_id + vf_sb_count(vf))
2627                         break;
2628         }
2629         return vf;
2630 }
2631
2632 /* VF API helpers */
2633 static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid,
2634                                 u8 enable)
2635 {
2636         u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4;
2637         u32 val = enable ? (abs_vfid | (1 << 6)) : 0;
2638
2639         REG_WR(bp, reg, val);
2640 }
2641
2642 static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf)
2643 {
2644         int i;
2645
2646         for_each_vfq(vf, i)
2647                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2648                                     vfq_qzone_id(vf, vfq_get(vf, i)), false);
2649 }
2650
2651 static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf)
2652 {
2653         u32 val;
2654
2655         /* clear the VF configuration - pretend */
2656         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
2657         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
2658         val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN |
2659                  IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK);
2660         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
2661         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2662 }
2663
2664 u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf)
2665 {
2666         return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF),
2667                      BNX2X_VF_MAX_QUEUES);
2668 }
2669
2670 static
2671 int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf,
2672                             struct vf_pf_resc_request *req_resc)
2673 {
2674         u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2675         u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2676
2677         return ((req_resc->num_rxqs <= rxq_cnt) &&
2678                 (req_resc->num_txqs <= txq_cnt) &&
2679                 (req_resc->num_sbs <= vf_sb_count(vf))   &&
2680                 (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) &&
2681                 (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf)));
2682 }
2683
2684 /* CORE VF API */
2685 int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
2686                      struct vf_pf_resc_request *resc)
2687 {
2688         int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) *
2689                 BNX2X_CIDS_PER_VF;
2690
2691         union cdu_context *base_cxt = (union cdu_context *)
2692                 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2693                 (base_vf_cid & (ILT_PAGE_CIDS-1));
2694         int i;
2695
2696         /* if state is 'acquired' the VF was not released or FLR'd, in
2697          * this case the returned resources match the acquired already
2698          * acquired resources. Verify that the requested numbers do
2699          * not exceed the already acquired numbers.
2700          */
2701         if (vf->state == VF_ACQUIRED) {
2702                 DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n",
2703                    vf->abs_vfid);
2704
2705                 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2706                         BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n",
2707                                   vf->abs_vfid);
2708                         return -EINVAL;
2709                 }
2710                 return 0;
2711         }
2712
2713         /* Otherwise vf state must be 'free' or 'reset' */
2714         if (vf->state != VF_FREE && vf->state != VF_RESET) {
2715                 BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n",
2716                           vf->abs_vfid, vf->state);
2717                 return -EINVAL;
2718         }
2719
2720         /* static allocation:
2721          * the global maximum number are fixed per VF. Fail the request if
2722          * requested number exceed these globals
2723          */
2724         if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2725                 DP(BNX2X_MSG_IOV,
2726                    "cannot fulfill vf resource request. Placing maximal available values in response\n");
2727                 /* set the max resource in the vf */
2728                 return -ENOMEM;
2729         }
2730
2731         /* Set resources counters - 0 request means max available */
2732         vf_sb_count(vf) = resc->num_sbs;
2733         vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2734         vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2735         if (resc->num_mac_filters)
2736                 vf_mac_rules_cnt(vf) = resc->num_mac_filters;
2737         if (resc->num_vlan_filters)
2738                 vf_vlan_rules_cnt(vf) = resc->num_vlan_filters;
2739
2740         DP(BNX2X_MSG_IOV,
2741            "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n",
2742            vf_sb_count(vf), vf_rxq_count(vf),
2743            vf_txq_count(vf), vf_mac_rules_cnt(vf),
2744            vf_vlan_rules_cnt(vf));
2745
2746         /* Initialize the queues */
2747         if (!vf->vfqs) {
2748                 DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n");
2749                 return -EINVAL;
2750         }
2751
2752         for_each_vfq(vf, i) {
2753                 struct bnx2x_vf_queue *q = vfq_get(vf, i);
2754
2755                 if (!q) {
2756                         BNX2X_ERR("q number %d was not allocated\n", i);
2757                         return -EINVAL;
2758                 }
2759
2760                 q->index = i;
2761                 q->cxt = &((base_cxt + i)->eth);
2762                 q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i;
2763
2764                 DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n",
2765                    vf->abs_vfid, i, q->index, q->cid, q->cxt);
2766
2767                 /* init SP objects */
2768                 bnx2x_vfq_init(bp, vf, q);
2769         }
2770         vf->state = VF_ACQUIRED;
2771         return 0;
2772 }
2773
2774 int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map)
2775 {
2776         struct bnx2x_func_init_params func_init = {0};
2777         u16 flags = 0;
2778         int i;
2779
2780         /* the sb resources are initialized at this point, do the
2781          * FW/HW initializations
2782          */
2783         for_each_vf_sb(vf, i)
2784                 bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true,
2785                               vf_igu_sb(vf, i), vf_igu_sb(vf, i));
2786
2787         /* Sanity checks */
2788         if (vf->state != VF_ACQUIRED) {
2789                 DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n",
2790                    vf->abs_vfid, vf->state);
2791                 return -EINVAL;
2792         }
2793
2794         /* let FLR complete ... */
2795         msleep(100);
2796
2797         /* FLR cleanup epilogue */
2798         if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid))
2799                 return -EBUSY;
2800
2801         /* reset IGU VF statistics: MSIX */
2802         REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0);
2803
2804         /* vf init */
2805         if (vf->cfg_flags & VF_CFG_STATS)
2806                 flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ);
2807
2808         if (vf->cfg_flags & VF_CFG_TPA)
2809                 flags |= FUNC_FLG_TPA;
2810
2811         if (is_vf_multi(vf))
2812                 flags |= FUNC_FLG_RSS;
2813
2814         /* function setup */
2815         func_init.func_flgs = flags;
2816         func_init.pf_id = BP_FUNC(bp);
2817         func_init.func_id = FW_VF_HANDLE(vf->abs_vfid);
2818         func_init.fw_stat_map = vf->fw_stat_map;
2819         func_init.spq_map = vf->spq_map;
2820         func_init.spq_prod = 0;
2821         bnx2x_func_init(bp, &func_init);
2822
2823         /* Enable the vf */
2824         bnx2x_vf_enable_access(bp, vf->abs_vfid);
2825         bnx2x_vf_enable_traffic(bp, vf);
2826
2827         /* queue protection table */
2828         for_each_vfq(vf, i)
2829                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2830                                     vfq_qzone_id(vf, vfq_get(vf, i)), true);
2831
2832         vf->state = VF_ENABLED;
2833
2834         /* update vf bulletin board */
2835         bnx2x_post_vf_bulletin(bp, vf->index);
2836
2837         return 0;
2838 }
2839
2840 struct set_vf_state_cookie {
2841         struct bnx2x_virtf *vf;
2842         u8 state;
2843 };
2844
2845 static void bnx2x_set_vf_state(void *cookie)
2846 {
2847         struct set_vf_state_cookie *p = (struct set_vf_state_cookie *)cookie;
2848
2849         p->vf->state = p->state;
2850 }
2851
2852 /* VFOP close (teardown the queues, delete mcasts and close HW) */
2853 static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf)
2854 {
2855         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2856         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
2857         enum bnx2x_vfop_close_state state = vfop->state;
2858         struct bnx2x_vfop_cmd cmd = {
2859                 .done = bnx2x_vfop_close,
2860                 .block = false,
2861         };
2862
2863         if (vfop->rc < 0)
2864                 goto op_err;
2865
2866         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
2867
2868         switch (state) {
2869         case BNX2X_VFOP_CLOSE_QUEUES:
2870
2871                 if (++(qx->qid) < vf_rxq_count(vf)) {
2872                         vfop->rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qx->qid);
2873                         if (vfop->rc)
2874                                 goto op_err;
2875                         return;
2876                 }
2877                 vfop->state = BNX2X_VFOP_CLOSE_HW;
2878                 vfop->rc = 0;
2879                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
2880
2881         case BNX2X_VFOP_CLOSE_HW:
2882
2883                 /* disable the interrupts */
2884                 DP(BNX2X_MSG_IOV, "disabling igu\n");
2885                 bnx2x_vf_igu_disable(bp, vf);
2886
2887                 /* disable the VF */
2888                 DP(BNX2X_MSG_IOV, "clearing qtbl\n");
2889                 bnx2x_vf_clr_qtbl(bp, vf);
2890
2891                 goto op_done;
2892         default:
2893                 bnx2x_vfop_default(state);
2894         }
2895 op_err:
2896         BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc);
2897 op_done:
2898
2899         /* need to make sure there are no outstanding stats ramrods which may
2900          * cause the device to access the VF's stats buffer which it will free
2901          * as soon as we return from the close flow.
2902          */
2903         {
2904                 struct set_vf_state_cookie cookie;
2905
2906                 cookie.vf = vf;
2907                 cookie.state = VF_ACQUIRED;
2908                 bnx2x_stats_safe_exec(bp, bnx2x_set_vf_state, &cookie);
2909         }
2910
2911         DP(BNX2X_MSG_IOV, "set state to acquired\n");
2912         bnx2x_vfop_end(bp, vf, vfop);
2913 op_pending:
2914         /* Not supported at the moment; Exists for macros only */
2915         return;
2916 }
2917
2918 int bnx2x_vfop_close_cmd(struct bnx2x *bp,
2919                          struct bnx2x_virtf *vf,
2920                          struct bnx2x_vfop_cmd *cmd)
2921 {
2922         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2923         if (vfop) {
2924                 vfop->args.qx.qid = -1; /* loop */
2925                 bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES,
2926                                  bnx2x_vfop_close, cmd->done);
2927                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_close,
2928                                              cmd->block);
2929         }
2930         return -ENOMEM;
2931 }
2932
2933 /* VF release can be called either: 1. The VF was acquired but
2934  * not enabled 2. the vf was enabled or in the process of being
2935  * enabled
2936  */
2937 static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf)
2938 {
2939         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2940         struct bnx2x_vfop_cmd cmd = {
2941                 .done = bnx2x_vfop_release,
2942                 .block = false,
2943         };
2944
2945         DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2946
2947         if (vfop->rc < 0)
2948                 goto op_err;
2949
2950         DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid,
2951            vf->state == VF_FREE ? "Free" :
2952            vf->state == VF_ACQUIRED ? "Acquired" :
2953            vf->state == VF_ENABLED ? "Enabled" :
2954            vf->state == VF_RESET ? "Reset" :
2955            "Unknown");
2956
2957         switch (vf->state) {
2958         case VF_ENABLED:
2959                 vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd);
2960                 if (vfop->rc)
2961                         goto op_err;
2962                 return;
2963
2964         case VF_ACQUIRED:
2965                 DP(BNX2X_MSG_IOV, "about to free resources\n");
2966                 bnx2x_vf_free_resc(bp, vf);
2967                 DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2968                 goto op_done;
2969
2970         case VF_FREE:
2971         case VF_RESET:
2972                 /* do nothing */
2973                 goto op_done;
2974         default:
2975                 bnx2x_vfop_default(vf->state);
2976         }
2977 op_err:
2978         BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc);
2979 op_done:
2980         bnx2x_vfop_end(bp, vf, vfop);
2981 }
2982
2983 static void bnx2x_vfop_rss(struct bnx2x *bp, struct bnx2x_virtf *vf)
2984 {
2985         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2986         enum bnx2x_vfop_rss_state state;
2987
2988         if (!vfop) {
2989                 BNX2X_ERR("vfop was null\n");
2990                 return;
2991         }
2992
2993         state = vfop->state;
2994         bnx2x_vfop_reset_wq(vf);
2995
2996         if (vfop->rc < 0)
2997                 goto op_err;
2998
2999         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
3000
3001         switch (state) {
3002         case BNX2X_VFOP_RSS_CONFIG:
3003                 /* next state */
3004                 vfop->state = BNX2X_VFOP_RSS_DONE;
3005                 bnx2x_config_rss(bp, &vfop->op_p->rss);
3006                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
3007 op_err:
3008                 BNX2X_ERR("RSS error: rc %d\n", vfop->rc);
3009 op_done:
3010         case BNX2X_VFOP_RSS_DONE:
3011                 bnx2x_vfop_end(bp, vf, vfop);
3012                 return;
3013         default:
3014                 bnx2x_vfop_default(state);
3015         }
3016 op_pending:
3017         return;
3018 }
3019
3020 int bnx2x_vfop_release_cmd(struct bnx2x *bp,
3021                            struct bnx2x_virtf *vf,
3022                            struct bnx2x_vfop_cmd *cmd)
3023 {
3024         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
3025         if (vfop) {
3026                 bnx2x_vfop_opset(-1, /* use vf->state */
3027                                  bnx2x_vfop_release, cmd->done);
3028                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release,
3029                                              cmd->block);
3030         }
3031         return -ENOMEM;
3032 }
3033
3034 int bnx2x_vfop_rss_cmd(struct bnx2x *bp,
3035                        struct bnx2x_virtf *vf,
3036                        struct bnx2x_vfop_cmd *cmd)
3037 {
3038         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
3039
3040         if (vfop) {
3041                 bnx2x_vfop_opset(BNX2X_VFOP_RSS_CONFIG, bnx2x_vfop_rss,
3042                                  cmd->done);
3043                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rss,
3044                                              cmd->block);
3045         }
3046         return -ENOMEM;
3047 }
3048
3049 /* VF release ~ VF close + VF release-resources
3050  * Release is the ultimate SW shutdown and is called whenever an
3051  * irrecoverable error is encountered.
3052  */
3053 void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block)
3054 {
3055         struct bnx2x_vfop_cmd cmd = {
3056                 .done = NULL,
3057                 .block = block,
3058         };
3059         int rc;
3060
3061         DP(BNX2X_MSG_IOV, "PF releasing vf %d\n", vf->abs_vfid);
3062         bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
3063
3064         rc = bnx2x_vfop_release_cmd(bp, vf, &cmd);
3065         if (rc)
3066                 WARN(rc,
3067                      "VF[%d] Failed to allocate resources for release op- rc=%d\n",
3068                      vf->abs_vfid, rc);
3069 }
3070
3071 static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp,
3072                               struct bnx2x_virtf *vf, u32 *sbdf)
3073 {
3074         *sbdf = vf->devfn | (vf->bus << 8);
3075 }
3076
3077 static inline void bnx2x_vf_get_bars(struct bnx2x *bp, struct bnx2x_virtf *vf,
3078                        struct bnx2x_vf_bar_info *bar_info)
3079 {
3080         int n;
3081
3082         bar_info->nr_bars = bp->vfdb->sriov.nres;
3083         for (n = 0; n < bar_info->nr_bars; n++)
3084                 bar_info->bars[n] = vf->bars[n];
3085 }
3086
3087 void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
3088                               enum channel_tlvs tlv)
3089 {
3090         /* we don't lock the channel for unsupported tlvs */
3091         if (!bnx2x_tlv_supported(tlv)) {
3092                 BNX2X_ERR("attempting to lock with unsupported tlv. Aborting\n");
3093                 return;
3094         }
3095
3096         /* lock the channel */
3097         mutex_lock(&vf->op_mutex);
3098
3099         /* record the locking op */
3100         vf->op_current = tlv;
3101
3102         /* log the lock */
3103         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n",
3104            vf->abs_vfid, tlv);
3105 }
3106
3107 void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
3108                                 enum channel_tlvs expected_tlv)
3109 {
3110         enum channel_tlvs current_tlv;
3111
3112         if (!vf) {
3113                 BNX2X_ERR("VF was %p\n", vf);
3114                 return;
3115         }
3116
3117         current_tlv = vf->op_current;
3118
3119         /* we don't unlock the channel for unsupported tlvs */
3120         if (!bnx2x_tlv_supported(expected_tlv))
3121                 return;
3122
3123         WARN(expected_tlv != vf->op_current,
3124              "lock mismatch: expected %d found %d", expected_tlv,
3125              vf->op_current);
3126
3127         /* record the locking op */
3128         vf->op_current = CHANNEL_TLV_NONE;
3129
3130         /* lock the channel */
3131         mutex_unlock(&vf->op_mutex);
3132
3133         /* log the unlock */
3134         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n",
3135            vf->abs_vfid, vf->op_current);
3136 }
3137
3138 static int bnx2x_set_pf_tx_switching(struct bnx2x *bp, bool enable)
3139 {
3140         struct bnx2x_queue_state_params q_params;
3141         u32 prev_flags;
3142         int i, rc;
3143
3144         /* Verify changes are needed and record current Tx switching state */
3145         prev_flags = bp->flags;
3146         if (enable)
3147                 bp->flags |= TX_SWITCHING;
3148         else
3149                 bp->flags &= ~TX_SWITCHING;
3150         if (prev_flags == bp->flags)
3151                 return 0;
3152
3153         /* Verify state enables the sending of queue ramrods */
3154         if ((bp->state != BNX2X_STATE_OPEN) ||
3155             (bnx2x_get_q_logical_state(bp,
3156                                       &bnx2x_sp_obj(bp, &bp->fp[0]).q_obj) !=
3157              BNX2X_Q_LOGICAL_STATE_ACTIVE))
3158                 return 0;
3159
3160         /* send q. update ramrod to configure Tx switching */
3161         memset(&q_params, 0, sizeof(q_params));
3162         __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
3163         q_params.cmd = BNX2X_Q_CMD_UPDATE;
3164         __set_bit(BNX2X_Q_UPDATE_TX_SWITCHING_CHNG,
3165                   &q_params.params.update.update_flags);
3166         if (enable)
3167                 __set_bit(BNX2X_Q_UPDATE_TX_SWITCHING,
3168                           &q_params.params.update.update_flags);
3169         else
3170                 __clear_bit(BNX2X_Q_UPDATE_TX_SWITCHING,
3171                             &q_params.params.update.update_flags);
3172
3173         /* send the ramrod on all the queues of the PF */
3174         for_each_eth_queue(bp, i) {
3175                 struct bnx2x_fastpath *fp = &bp->fp[i];
3176
3177                 /* Set the appropriate Queue object */
3178                 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
3179
3180                 /* Update the Queue state */
3181                 rc = bnx2x_queue_state_change(bp, &q_params);
3182                 if (rc) {
3183                         BNX2X_ERR("Failed to configure Tx switching\n");
3184                         return rc;
3185                 }
3186         }
3187
3188         DP(BNX2X_MSG_IOV, "%s Tx Switching\n", enable ? "Enabled" : "Disabled");
3189         return 0;
3190 }
3191
3192 int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param)
3193 {
3194         struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev));
3195
3196         if (!IS_SRIOV(bp)) {
3197                 BNX2X_ERR("failed to configure SR-IOV since vfdb was not allocated. Check dmesg for errors in probe stage\n");
3198                 return -EINVAL;
3199         }
3200
3201         DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n",
3202            num_vfs_param, BNX2X_NR_VIRTFN(bp));
3203
3204         /* HW channel is only operational when PF is up */
3205         if (bp->state != BNX2X_STATE_OPEN) {
3206                 BNX2X_ERR("VF num configuration via sysfs not supported while PF is down\n");
3207                 return -EINVAL;
3208         }
3209
3210         /* we are always bound by the total_vfs in the configuration space */
3211         if (num_vfs_param > BNX2X_NR_VIRTFN(bp)) {
3212                 BNX2X_ERR("truncating requested number of VFs (%d) down to maximum allowed (%d)\n",
3213                           num_vfs_param, BNX2X_NR_VIRTFN(bp));
3214                 num_vfs_param = BNX2X_NR_VIRTFN(bp);
3215         }
3216
3217         bp->requested_nr_virtfn = num_vfs_param;
3218         if (num_vfs_param == 0) {
3219                 bnx2x_set_pf_tx_switching(bp, false);
3220                 pci_disable_sriov(dev);
3221                 return 0;
3222         } else {
3223                 return bnx2x_enable_sriov(bp);
3224         }
3225 }
3226
3227 #define IGU_ENTRY_SIZE 4
3228
3229 int bnx2x_enable_sriov(struct bnx2x *bp)
3230 {
3231         int rc = 0, req_vfs = bp->requested_nr_virtfn;
3232         int vf_idx, sb_idx, vfq_idx, qcount, first_vf;
3233         u32 igu_entry, address;
3234         u16 num_vf_queues;
3235
3236         if (req_vfs == 0)
3237                 return 0;
3238
3239         first_vf = bp->vfdb->sriov.first_vf_in_pf;
3240
3241         /* statically distribute vf sb pool between VFs */
3242         num_vf_queues = min_t(u16, BNX2X_VF_MAX_QUEUES,
3243                               BP_VFDB(bp)->vf_sbs_pool / req_vfs);
3244
3245         /* zero previous values learned from igu cam */
3246         for (vf_idx = 0; vf_idx < req_vfs; vf_idx++) {
3247                 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
3248
3249                 vf->sb_count = 0;
3250                 vf_sb_count(BP_VF(bp, vf_idx)) = 0;
3251         }
3252         bp->vfdb->vf_sbs_pool = 0;
3253
3254         /* prepare IGU cam */
3255         sb_idx = BP_VFDB(bp)->first_vf_igu_entry;
3256         address = IGU_REG_MAPPING_MEMORY + sb_idx * IGU_ENTRY_SIZE;
3257         for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) {
3258                 for (vfq_idx = 0; vfq_idx < num_vf_queues; vfq_idx++) {
3259                         igu_entry = vf_idx << IGU_REG_MAPPING_MEMORY_FID_SHIFT |
3260                                 vfq_idx << IGU_REG_MAPPING_MEMORY_VECTOR_SHIFT |
3261                                 IGU_REG_MAPPING_MEMORY_VALID;
3262                         DP(BNX2X_MSG_IOV, "assigning sb %d to vf %d\n",
3263                            sb_idx, vf_idx);
3264                         REG_WR(bp, address, igu_entry);
3265                         sb_idx++;
3266                         address += IGU_ENTRY_SIZE;
3267                 }
3268         }
3269
3270         /* Reinitialize vf database according to igu cam */
3271         bnx2x_get_vf_igu_cam_info(bp);
3272
3273         DP(BNX2X_MSG_IOV, "vf_sbs_pool %d, num_vf_queues %d\n",
3274            BP_VFDB(bp)->vf_sbs_pool, num_vf_queues);
3275
3276         qcount = 0;
3277         for_each_vf(bp, vf_idx) {
3278                 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
3279
3280                 /* set local queue arrays */
3281                 vf->vfqs = &bp->vfdb->vfqs[qcount];
3282                 qcount += vf_sb_count(vf);
3283                 bnx2x_iov_static_resc(bp, vf);
3284         }
3285
3286         /* prepare msix vectors in VF configuration space - the value in the
3287          * PCI configuration space should be the index of the last entry,
3288          * namely one less than the actual size of the table
3289          */
3290         for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) {
3291                 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf_idx));
3292                 REG_WR(bp, PCICFG_OFFSET + GRC_CONFIG_REG_VF_MSIX_CONTROL,
3293                        num_vf_queues - 1);
3294                 DP(BNX2X_MSG_IOV, "set msix vec num in VF %d cfg space to %d\n",
3295                    vf_idx, num_vf_queues - 1);
3296         }
3297         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
3298
3299         /* enable sriov. This will probe all the VFs, and consequentially cause
3300          * the "acquire" messages to appear on the VF PF channel.
3301          */
3302         DP(BNX2X_MSG_IOV, "about to call enable sriov\n");
3303         bnx2x_disable_sriov(bp);
3304
3305         rc = bnx2x_set_pf_tx_switching(bp, true);
3306         if (rc)
3307                 return rc;
3308
3309         rc = pci_enable_sriov(bp->pdev, req_vfs);
3310         if (rc) {
3311                 BNX2X_ERR("pci_enable_sriov failed with %d\n", rc);
3312                 return rc;
3313         }
3314         DP(BNX2X_MSG_IOV, "sriov enabled (%d vfs)\n", req_vfs);
3315         return req_vfs;
3316 }
3317
3318 void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp)
3319 {
3320         int vfidx;
3321         struct pf_vf_bulletin_content *bulletin;
3322
3323         DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n");
3324         for_each_vf(bp, vfidx) {
3325         bulletin = BP_VF_BULLETIN(bp, vfidx);
3326                 if (BP_VF(bp, vfidx)->cfg_flags & VF_CFG_VLAN)
3327                         bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0);
3328         }
3329 }
3330
3331 void bnx2x_disable_sriov(struct bnx2x *bp)
3332 {
3333         pci_disable_sriov(bp->pdev);
3334 }
3335
3336 static int bnx2x_vf_ndo_prep(struct bnx2x *bp, int vfidx,
3337                              struct bnx2x_virtf **vf,
3338                              struct pf_vf_bulletin_content **bulletin)
3339 {
3340         if (bp->state != BNX2X_STATE_OPEN) {
3341                 BNX2X_ERR("vf ndo called though PF is down\n");
3342                 return -EINVAL;
3343         }
3344
3345         if (!IS_SRIOV(bp)) {
3346                 BNX2X_ERR("vf ndo called though sriov is disabled\n");
3347                 return -EINVAL;
3348         }
3349
3350         if (vfidx >= BNX2X_NR_VIRTFN(bp)) {
3351                 BNX2X_ERR("vf ndo called for uninitialized VF. vfidx was %d BNX2X_NR_VIRTFN was %d\n",
3352                           vfidx, BNX2X_NR_VIRTFN(bp));
3353                 return -EINVAL;
3354         }
3355
3356         /* init members */
3357         *vf = BP_VF(bp, vfidx);
3358         *bulletin = BP_VF_BULLETIN(bp, vfidx);
3359
3360         if (!*vf) {
3361                 BNX2X_ERR("vf ndo called but vf struct is null. vfidx was %d\n",
3362                           vfidx);
3363                 return -EINVAL;
3364         }
3365
3366         if (!(*vf)->vfqs) {
3367                 BNX2X_ERR("vf ndo called but vfqs struct is null. Was ndo invoked before dynamically enabling SR-IOV? vfidx was %d\n",
3368                           vfidx);
3369                 return -EINVAL;
3370         }
3371
3372         if (!*bulletin) {
3373                 BNX2X_ERR("vf ndo called but Bulletin Board struct is null. vfidx was %d\n",
3374                           vfidx);
3375                 return -EINVAL;
3376         }
3377
3378         return 0;
3379 }
3380
3381 int bnx2x_get_vf_config(struct net_device *dev, int vfidx,
3382                         struct ifla_vf_info *ivi)
3383 {
3384         struct bnx2x *bp = netdev_priv(dev);
3385         struct bnx2x_virtf *vf = NULL;
3386         struct pf_vf_bulletin_content *bulletin = NULL;
3387         struct bnx2x_vlan_mac_obj *mac_obj;
3388         struct bnx2x_vlan_mac_obj *vlan_obj;
3389         int rc;
3390
3391         /* sanity and init */
3392         rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3393         if (rc)
3394                 return rc;
3395         mac_obj = &bnx2x_leading_vfq(vf, mac_obj);
3396         vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj);
3397         if (!mac_obj || !vlan_obj) {
3398                 BNX2X_ERR("VF partially initialized\n");
3399                 return -EINVAL;
3400         }
3401
3402         ivi->vf = vfidx;
3403         ivi->qos = 0;
3404         ivi->tx_rate = 10000; /* always 10G. TBA take from link struct */
3405         ivi->spoofchk = 1; /*always enabled */
3406         if (vf->state == VF_ENABLED) {
3407                 /* mac and vlan are in vlan_mac objects */
3408                 if (validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj)))
3409                         mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac,
3410                                                 0, ETH_ALEN);
3411                 if (validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, vlan_obj)))
3412                         vlan_obj->get_n_elements(bp, vlan_obj, 1,
3413                                                  (u8 *)&ivi->vlan, 0,
3414                                                  VLAN_HLEN);
3415         } else {
3416                 /* mac */
3417                 if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID))
3418                         /* mac configured by ndo so its in bulletin board */
3419                         memcpy(&ivi->mac, bulletin->mac, ETH_ALEN);
3420                 else
3421                         /* function has not been loaded yet. Show mac as 0s */
3422                         memset(&ivi->mac, 0, ETH_ALEN);
3423
3424                 /* vlan */
3425                 if (bulletin->valid_bitmap & (1 << VLAN_VALID))
3426                         /* vlan configured by ndo so its in bulletin board */
3427                         memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN);
3428                 else
3429                         /* function has not been loaded yet. Show vlans as 0s */
3430                         memset(&ivi->vlan, 0, VLAN_HLEN);
3431         }
3432
3433         return 0;
3434 }
3435
3436 /* New mac for VF. Consider these cases:
3437  * 1. VF hasn't been acquired yet - save the mac in local bulletin board and
3438  *    supply at acquire.
3439  * 2. VF has already been acquired but has not yet initialized - store in local
3440  *    bulletin board. mac will be posted on VF bulletin board after VF init. VF
3441  *    will configure this mac when it is ready.
3442  * 3. VF has already initialized but has not yet setup a queue - post the new
3443  *    mac on VF's bulletin board right now. VF will configure this mac when it
3444  *    is ready.
3445  * 4. VF has already set a queue - delete any macs already configured for this
3446  *    queue and manually config the new mac.
3447  * In any event, once this function has been called refuse any attempts by the
3448  * VF to configure any mac for itself except for this mac. In case of a race
3449  * where the VF fails to see the new post on its bulletin board before sending a
3450  * mac configuration request, the PF will simply fail the request and VF can try
3451  * again after consulting its bulletin board.
3452  */
3453 int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac)
3454 {
3455         struct bnx2x *bp = netdev_priv(dev);
3456         int rc, q_logical_state;
3457         struct bnx2x_virtf *vf = NULL;
3458         struct pf_vf_bulletin_content *bulletin = NULL;
3459
3460         /* sanity and init */
3461         rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3462         if (rc)
3463                 return rc;
3464         if (!is_valid_ether_addr(mac)) {
3465                 BNX2X_ERR("mac address invalid\n");
3466                 return -EINVAL;
3467         }
3468
3469         /* update PF's copy of the VF's bulletin. Will no longer accept mac
3470          * configuration requests from vf unless match this mac
3471          */
3472         bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID;
3473         memcpy(bulletin->mac, mac, ETH_ALEN);
3474
3475         /* Post update on VF's bulletin board */
3476         rc = bnx2x_post_vf_bulletin(bp, vfidx);
3477         if (rc) {
3478                 BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx);
3479                 return rc;
3480         }
3481
3482         q_logical_state =
3483                 bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj));
3484         if (vf->state == VF_ENABLED &&
3485             q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3486                 /* configure the mac in device on this vf's queue */
3487                 unsigned long ramrod_flags = 0;
3488                 struct bnx2x_vlan_mac_obj *mac_obj =
3489                         &bnx2x_leading_vfq(vf, mac_obj);
3490
3491                 rc = validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj));
3492                 if (rc)
3493                         return rc;
3494
3495                 /* must lock vfpf channel to protect against vf flows */
3496                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3497
3498                 /* remove existing eth macs */
3499                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true);
3500                 if (rc) {
3501                         BNX2X_ERR("failed to delete eth macs\n");
3502                         rc = -EINVAL;
3503                         goto out;
3504                 }
3505
3506                 /* remove existing uc list macs */
3507                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true);
3508                 if (rc) {
3509                         BNX2X_ERR("failed to delete uc_list macs\n");
3510                         rc = -EINVAL;
3511                         goto out;
3512                 }
3513
3514                 /* configure the new mac to device */
3515                 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3516                 bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true,
3517                                   BNX2X_ETH_MAC, &ramrod_flags);
3518
3519 out:
3520                 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3521         }
3522
3523         return 0;
3524 }
3525
3526 int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)
3527 {
3528         struct bnx2x_queue_state_params q_params = {NULL};
3529         struct bnx2x_vlan_mac_ramrod_params ramrod_param;
3530         struct bnx2x_queue_update_params *update_params;
3531         struct pf_vf_bulletin_content *bulletin = NULL;
3532         struct bnx2x_rx_mode_ramrod_params rx_ramrod;
3533         struct bnx2x *bp = netdev_priv(dev);
3534         struct bnx2x_vlan_mac_obj *vlan_obj;
3535         unsigned long vlan_mac_flags = 0;
3536         unsigned long ramrod_flags = 0;
3537         struct bnx2x_virtf *vf = NULL;
3538         unsigned long accept_flags;
3539         int rc;
3540
3541         /* sanity and init */
3542         rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3543         if (rc)
3544                 return rc;
3545
3546         if (vlan > 4095) {
3547                 BNX2X_ERR("illegal vlan value %d\n", vlan);
3548                 return -EINVAL;
3549         }
3550
3551         DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n",
3552            vfidx, vlan, 0);
3553
3554         /* update PF's copy of the VF's bulletin. No point in posting the vlan
3555          * to the VF since it doesn't have anything to do with it. But it useful
3556          * to store it here in case the VF is not up yet and we can only
3557          * configure the vlan later when it does. Treat vlan id 0 as remove the
3558          * Host tag.
3559          */
3560         if (vlan > 0)
3561                 bulletin->valid_bitmap |= 1 << VLAN_VALID;
3562         else
3563                 bulletin->valid_bitmap &= ~(1 << VLAN_VALID);
3564         bulletin->vlan = vlan;
3565
3566         /* is vf initialized and queue set up? */
3567         if (vf->state != VF_ENABLED ||
3568             bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj)) !=
3569             BNX2X_Q_LOGICAL_STATE_ACTIVE)
3570                 return rc;
3571
3572         /* configure the vlan in device on this vf's queue */
3573         vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj);
3574         rc = validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj));
3575         if (rc)
3576                 return rc;
3577
3578         /* must lock vfpf channel to protect against vf flows */
3579         bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3580
3581         /* remove existing vlans */
3582         __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3583         rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags,
3584                                   &ramrod_flags);
3585         if (rc) {
3586                 BNX2X_ERR("failed to delete vlans\n");
3587                 rc = -EINVAL;
3588                 goto out;
3589         }
3590
3591         /* need to remove/add the VF's accept_any_vlan bit */
3592         accept_flags = bnx2x_leading_vfq(vf, accept_flags);
3593         if (vlan)
3594                 clear_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
3595         else
3596                 set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
3597
3598         bnx2x_vf_prep_rx_mode(bp, LEADING_IDX, &rx_ramrod, vf,
3599                               accept_flags);
3600         bnx2x_leading_vfq(vf, accept_flags) = accept_flags;
3601         bnx2x_config_rx_mode(bp, &rx_ramrod);
3602
3603         /* configure the new vlan to device */
3604         memset(&ramrod_param, 0, sizeof(ramrod_param));
3605         __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3606         ramrod_param.vlan_mac_obj = vlan_obj;
3607         ramrod_param.ramrod_flags = ramrod_flags;
3608         set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT,
3609                 &ramrod_param.user_req.vlan_mac_flags);
3610         ramrod_param.user_req.u.vlan.vlan = vlan;
3611         ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
3612         rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
3613         if (rc) {
3614                 BNX2X_ERR("failed to configure vlan\n");
3615                 rc =  -EINVAL;
3616                 goto out;
3617         }
3618
3619         /* send queue update ramrod to configure default vlan and silent
3620          * vlan removal
3621          */
3622         __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
3623         q_params.cmd = BNX2X_Q_CMD_UPDATE;
3624         q_params.q_obj = &bnx2x_leading_vfq(vf, sp_obj);
3625         update_params = &q_params.params.update;
3626         __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
3627                   &update_params->update_flags);
3628         __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
3629                   &update_params->update_flags);
3630         if (vlan == 0) {
3631                 /* if vlan is 0 then we want to leave the VF traffic
3632                  * untagged, and leave the incoming traffic untouched
3633                  * (i.e. do not remove any vlan tags).
3634                  */
3635                 __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3636                             &update_params->update_flags);
3637                 __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3638                             &update_params->update_flags);
3639         } else {
3640                 /* configure default vlan to vf queue and set silent
3641                  * vlan removal (the vf remains unaware of this vlan).
3642                  */
3643                 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3644                           &update_params->update_flags);
3645                 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3646                           &update_params->update_flags);
3647                 update_params->def_vlan = vlan;
3648                 update_params->silent_removal_value =
3649                         vlan & VLAN_VID_MASK;
3650                 update_params->silent_removal_mask = VLAN_VID_MASK;
3651         }
3652
3653         /* Update the Queue state */
3654         rc = bnx2x_queue_state_change(bp, &q_params);
3655         if (rc) {
3656                 BNX2X_ERR("Failed to configure default VLAN\n");
3657                 goto out;
3658         }
3659
3660
3661         /* clear the flag indicating that this VF needs its vlan
3662          * (will only be set if the HV configured the Vlan before vf was
3663          * up and we were called because the VF came up later
3664          */
3665 out:
3666         vf->cfg_flags &= ~VF_CFG_VLAN;
3667         bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3668
3669         return rc;
3670 }
3671
3672 /* crc is the first field in the bulletin board. Compute the crc over the
3673  * entire bulletin board excluding the crc field itself. Use the length field
3674  * as the Bulletin Board was posted by a PF with possibly a different version
3675  * from the vf which will sample it. Therefore, the length is computed by the
3676  * PF and the used blindly by the VF.
3677  */
3678 u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp,
3679                           struct pf_vf_bulletin_content *bulletin)
3680 {
3681         return crc32(BULLETIN_CRC_SEED,
3682                  ((u8 *)bulletin) + sizeof(bulletin->crc),
3683                  bulletin->length - sizeof(bulletin->crc));
3684 }
3685
3686 /* Check for new posts on the bulletin board */
3687 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
3688 {
3689         struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
3690         int attempts;
3691
3692         /* bulletin board hasn't changed since last sample */
3693         if (bp->old_bulletin.version == bulletin.version)
3694                 return PFVF_BULLETIN_UNCHANGED;
3695
3696         /* validate crc of new bulletin board */
3697         if (bp->old_bulletin.version != bp->pf2vf_bulletin->content.version) {
3698                 /* sampling structure in mid post may result with corrupted data
3699                  * validate crc to ensure coherency.
3700                  */
3701                 for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) {
3702                         bulletin = bp->pf2vf_bulletin->content;
3703                         if (bulletin.crc == bnx2x_crc_vf_bulletin(bp,
3704                                                                   &bulletin))
3705                                 break;
3706                         BNX2X_ERR("bad crc on bulletin board. Contained %x computed %x\n",
3707                                   bulletin.crc,
3708                                   bnx2x_crc_vf_bulletin(bp, &bulletin));
3709                 }
3710                 if (attempts >= BULLETIN_ATTEMPTS) {
3711                         BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n",
3712                                   attempts);
3713                         return PFVF_BULLETIN_CRC_ERR;
3714                 }
3715         }
3716
3717         /* the mac address in bulletin board is valid and is new */
3718         if (bulletin.valid_bitmap & 1 << MAC_ADDR_VALID &&
3719             !ether_addr_equal(bulletin.mac, bp->old_bulletin.mac)) {
3720                 /* update new mac to net device */
3721                 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
3722         }
3723
3724         /* the vlan in bulletin board is valid and is new */
3725         if (bulletin.valid_bitmap & 1 << VLAN_VALID)
3726                 memcpy(&bulletin.vlan, &bp->old_bulletin.vlan, VLAN_HLEN);
3727
3728         /* copy new bulletin board to bp */
3729         bp->old_bulletin = bulletin;
3730
3731         return PFVF_BULLETIN_UPDATED;
3732 }
3733
3734 void bnx2x_timer_sriov(struct bnx2x *bp)
3735 {
3736         bnx2x_sample_bulletin(bp);
3737
3738         /* if channel is down we need to self destruct */
3739         if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
3740                 smp_mb__before_clear_bit();
3741                 set_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
3742                         &bp->sp_rtnl_state);
3743                 smp_mb__after_clear_bit();
3744                 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3745         }
3746 }
3747
3748 void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)
3749 {
3750         /* vf doorbells are embedded within the regview */
3751         return bp->regview + PXP_VF_ADDR_DB_START;
3752 }
3753
3754 int bnx2x_vf_pci_alloc(struct bnx2x *bp)
3755 {
3756         mutex_init(&bp->vf2pf_mutex);
3757
3758         /* allocate vf2pf mailbox for vf to pf channel */
3759         BNX2X_PCI_ALLOC(bp->vf2pf_mbox, &bp->vf2pf_mbox_mapping,
3760                         sizeof(struct bnx2x_vf_mbx_msg));
3761
3762         /* allocate pf 2 vf bulletin board */
3763         BNX2X_PCI_ALLOC(bp->pf2vf_bulletin, &bp->pf2vf_bulletin_mapping,
3764                         sizeof(union pf_vf_bulletin));
3765
3766         return 0;
3767
3768 alloc_mem_err:
3769         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3770                        sizeof(struct bnx2x_vf_mbx_msg));
3771         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->pf2vf_bulletin_mapping,
3772                        sizeof(union pf_vf_bulletin));
3773         return -ENOMEM;
3774 }
3775
3776 void bnx2x_iov_channel_down(struct bnx2x *bp)
3777 {
3778         int vf_idx;
3779         struct pf_vf_bulletin_content *bulletin;
3780
3781         if (!IS_SRIOV(bp))
3782                 return;
3783
3784         for_each_vf(bp, vf_idx) {
3785                 /* locate this VFs bulletin board and update the channel down
3786                  * bit
3787                  */
3788                 bulletin = BP_VF_BULLETIN(bp, vf_idx);
3789                 bulletin->valid_bitmap |= 1 << CHANNEL_DOWN;
3790
3791                 /* update vf bulletin board */
3792                 bnx2x_post_vf_bulletin(bp, vf_idx);
3793         }
3794 }