Pileus Git - ~andy/linux/blob - 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_DONE);
 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_DONE);
 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_DONE);
 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_DONE);
 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 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                 if (!validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj)))
1028                         vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid,
1029                                                               true);
1030                 if (vfop->rc)
1031                         goto op_err;
1032                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1033
1034         case BNX2X_VFOP_QFLR_CLR_MAC:
1035                 /* mac-clear-all: driver only consume credit */
1036                 vfop->state = BNX2X_VFOP_QFLR_TERMINATE;
1037                 if (!validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, mac_obj)))
1038                         vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid,
1039                                                              true);
1040                 DP(BNX2X_MSG_IOV,
1041                    "VF[%d] vfop->rc after bnx2x_vfop_mac_delall_cmd was %d",
1042                    vf->abs_vfid, vfop->rc);
1043                 if (vfop->rc)
1044                         goto op_err;
1045                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1046
1047         case BNX2X_VFOP_QFLR_TERMINATE:
1048                 qstate = &vfop->op_p->qctor.qstate;
1049                 memset(qstate , 0, sizeof(*qstate));
1050                 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
1051                 vfop->state = BNX2X_VFOP_QFLR_DONE;
1052
1053                 DP(BNX2X_MSG_IOV, "VF[%d] qstate during flr was %d\n",
1054                    vf->abs_vfid, qstate->q_obj->state);
1055
1056                 if (qstate->q_obj->state != BNX2X_Q_STATE_RESET) {
1057                         qstate->q_obj->state = BNX2X_Q_STATE_STOPPED;
1058                         qstate->cmd = BNX2X_Q_CMD_TERMINATE;
1059                         vfop->rc = bnx2x_queue_state_change(bp, qstate);
1060                         bnx2x_vfop_finalize(vf, vfop->rc, VFOP_VERIFY_PEND);
1061                 } else {
1062                         goto op_done;
1063                 }
1064
1065 op_err:
1066         BNX2X_ERR("QFLR[%d:%d] error: rc %d\n",
1067                   vf->abs_vfid, qid, vfop->rc);
1068 op_done:
1069         case BNX2X_VFOP_QFLR_DONE:
1070                 bnx2x_vfop_end(bp, vf, vfop);
1071                 return;
1072         default:
1073                 bnx2x_vfop_default(state);
1074         }
1075 op_pending:
1076         return;
1077 }
1078
1079 static int bnx2x_vfop_qflr_cmd(struct bnx2x *bp,
1080                                struct bnx2x_virtf *vf,
1081                                struct bnx2x_vfop_cmd *cmd,
1082                                int qid)
1083 {
1084         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1085
1086         if (vfop) {
1087                 vfop->args.qx.qid = qid;
1088                 bnx2x_vfop_opset(BNX2X_VFOP_QFLR_CLR_VLAN,
1089                                  bnx2x_vfop_qflr, cmd->done);
1090                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qflr,
1091                                              cmd->block);
1092         }
1093         return -ENOMEM;
1094 }
1095
1096 /* VFOP multi-casts */
1097 static void bnx2x_vfop_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf)
1098 {
1099         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1100         struct bnx2x_mcast_ramrod_params *mcast = &vfop->op_p->mcast;
1101         struct bnx2x_raw_obj *raw = &mcast->mcast_obj->raw;
1102         struct bnx2x_vfop_args_mcast *args = &vfop->args.mc_list;
1103         enum bnx2x_vfop_mcast_state state = vfop->state;
1104         int i;
1105
1106         bnx2x_vfop_reset_wq(vf);
1107
1108         if (vfop->rc < 0)
1109                 goto op_err;
1110
1111         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1112
1113         switch (state) {
1114         case BNX2X_VFOP_MCAST_DEL:
1115                 /* clear existing mcasts */
1116                 vfop->state = (args->mc_num) ? BNX2X_VFOP_MCAST_ADD
1117                                              : BNX2X_VFOP_MCAST_CHK_DONE;
1118                 mcast->mcast_list_len = vf->mcast_list_len;
1119                 vf->mcast_list_len = args->mc_num;
1120                 vfop->rc = bnx2x_config_mcast(bp, mcast, BNX2X_MCAST_CMD_DEL);
1121                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1122
1123         case BNX2X_VFOP_MCAST_ADD:
1124                 if (raw->check_pending(raw))
1125                         goto op_pending;
1126
1127                 /* update mcast list on the ramrod params */
1128                 INIT_LIST_HEAD(&mcast->mcast_list);
1129                 for (i = 0; i < args->mc_num; i++)
1130                         list_add_tail(&(args->mc[i].link),
1131                                       &mcast->mcast_list);
1132                 mcast->mcast_list_len = args->mc_num;
1133
1134                 /* add new mcasts */
1135                 vfop->state = BNX2X_VFOP_MCAST_CHK_DONE;
1136                 vfop->rc = bnx2x_config_mcast(bp, mcast,
1137                                               BNX2X_MCAST_CMD_ADD);
1138                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1139
1140         case BNX2X_VFOP_MCAST_CHK_DONE:
1141                 vfop->rc = raw->check_pending(raw) ? 1 : 0;
1142                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1143         default:
1144                 bnx2x_vfop_default(state);
1145         }
1146 op_err:
1147         BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop->rc);
1148 op_done:
1149         kfree(args->mc);
1150         bnx2x_vfop_end(bp, vf, vfop);
1151 op_pending:
1152         return;
1153 }
1154
1155 int bnx2x_vfop_mcast_cmd(struct bnx2x *bp,
1156                          struct bnx2x_virtf *vf,
1157                          struct bnx2x_vfop_cmd *cmd,
1158                          bnx2x_mac_addr_t *mcasts,
1159                          int mcast_num, bool drv_only)
1160 {
1161         struct bnx2x_vfop *vfop = NULL;
1162         size_t mc_sz = mcast_num * sizeof(struct bnx2x_mcast_list_elem);
1163         struct bnx2x_mcast_list_elem *mc = mc_sz ? kzalloc(mc_sz, GFP_KERNEL) :
1164                                            NULL;
1165
1166         if (!mc_sz || mc) {
1167                 vfop = bnx2x_vfop_add(bp, vf);
1168                 if (vfop) {
1169                         int i;
1170                         struct bnx2x_mcast_ramrod_params *ramrod =
1171                                 &vf->op_params.mcast;
1172
1173                         /* set ramrod params */
1174                         memset(ramrod, 0, sizeof(*ramrod));
1175                         ramrod->mcast_obj = &vf->mcast_obj;
1176                         if (drv_only)
1177                                 set_bit(RAMROD_DRV_CLR_ONLY,
1178                                         &ramrod->ramrod_flags);
1179
1180                         /* copy mcasts pointers */
1181                         vfop->args.mc_list.mc_num = mcast_num;
1182                         vfop->args.mc_list.mc = mc;
1183                         for (i = 0; i < mcast_num; i++)
1184                                 mc[i].mac = mcasts[i];
1185
1186                         bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL,
1187                                          bnx2x_vfop_mcast, cmd->done);
1188                         return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mcast,
1189                                                      cmd->block);
1190                 } else {
1191                         kfree(mc);
1192                 }
1193         }
1194         return -ENOMEM;
1195 }
1196
1197 /* VFOP rx-mode */
1198 static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf)
1199 {
1200         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1201         struct bnx2x_rx_mode_ramrod_params *ramrod = &vfop->op_p->rx_mode;
1202         enum bnx2x_vfop_rxmode_state state = vfop->state;
1203
1204         bnx2x_vfop_reset_wq(vf);
1205
1206         if (vfop->rc < 0)
1207                 goto op_err;
1208
1209         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1210
1211         switch (state) {
1212         case BNX2X_VFOP_RXMODE_CONFIG:
1213                 /* next state */
1214                 vfop->state = BNX2X_VFOP_RXMODE_DONE;
1215
1216                 /* record the accept flags in vfdb so hypervisor can modify them
1217                  * if necessary
1218                  */
1219                 bnx2x_vfq(vf, ramrod->cl_id - vf->igu_base_id, accept_flags) =
1220                         ramrod->rx_accept_flags;
1221                 vfop->rc = bnx2x_config_rx_mode(bp, ramrod);
1222                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1223 op_err:
1224                 BNX2X_ERR("RXMODE error: rc %d\n", vfop->rc);
1225 op_done:
1226         case BNX2X_VFOP_RXMODE_DONE:
1227                 bnx2x_vfop_end(bp, vf, vfop);
1228                 return;
1229         default:
1230                 bnx2x_vfop_default(state);
1231         }
1232 op_pending:
1233         return;
1234 }
1235
1236 static void bnx2x_vf_prep_rx_mode(struct bnx2x *bp, u8 qid,
1237                                   struct bnx2x_rx_mode_ramrod_params *ramrod,
1238                                   struct bnx2x_virtf *vf,
1239                                   unsigned long accept_flags)
1240 {
1241         struct bnx2x_vf_queue *vfq = vfq_get(vf, qid);
1242
1243         memset(ramrod, 0, sizeof(*ramrod));
1244         ramrod->cid = vfq->cid;
1245         ramrod->cl_id = vfq_cl_id(vf, vfq);
1246         ramrod->rx_mode_obj = &bp->rx_mode_obj;
1247         ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid);
1248         ramrod->rx_accept_flags = accept_flags;
1249         ramrod->tx_accept_flags = accept_flags;
1250         ramrod->pstate = &vf->filter_state;
1251         ramrod->state = BNX2X_FILTER_RX_MODE_PENDING;
1252
1253         set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
1254         set_bit(RAMROD_RX, &ramrod->ramrod_flags);
1255         set_bit(RAMROD_TX, &ramrod->ramrod_flags);
1256
1257         ramrod->rdata = bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2);
1258         ramrod->rdata_mapping = bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2);
1259 }
1260
1261 int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp,
1262                           struct bnx2x_virtf *vf,
1263                           struct bnx2x_vfop_cmd *cmd,
1264                           int qid, unsigned long accept_flags)
1265 {
1266         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1267
1268         if (vfop) {
1269                 struct bnx2x_rx_mode_ramrod_params *ramrod =
1270                         &vf->op_params.rx_mode;
1271
1272                 bnx2x_vf_prep_rx_mode(bp, qid, ramrod, vf, accept_flags);
1273
1274                 bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG,
1275                                  bnx2x_vfop_rxmode, cmd->done);
1276                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rxmode,
1277                                              cmd->block);
1278         }
1279         return -ENOMEM;
1280 }
1281
1282 /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs,
1283  * queue destructor)
1284  */
1285 static void bnx2x_vfop_qdown(struct bnx2x *bp, struct bnx2x_virtf *vf)
1286 {
1287         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1288         int qid = vfop->args.qx.qid;
1289         enum bnx2x_vfop_qteardown_state state = vfop->state;
1290         struct bnx2x_vfop_cmd cmd;
1291
1292         if (vfop->rc < 0)
1293                 goto op_err;
1294
1295         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1296
1297         cmd.done = bnx2x_vfop_qdown;
1298         cmd.block = false;
1299
1300         switch (state) {
1301         case BNX2X_VFOP_QTEARDOWN_RXMODE:
1302                 /* Drop all */
1303                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_VLAN;
1304                 vfop->rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, qid, 0);
1305                 if (vfop->rc)
1306                         goto op_err;
1307                 return;
1308
1309         case BNX2X_VFOP_QTEARDOWN_CLR_VLAN:
1310                 /* vlan-clear-all: don't consume credit */
1311                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MAC;
1312                 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, false);
1313                 if (vfop->rc)
1314                         goto op_err;
1315                 return;
1316
1317         case BNX2X_VFOP_QTEARDOWN_CLR_MAC:
1318                 /* mac-clear-all: consume credit */
1319                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MCAST;
1320                 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, false);
1321                 if (vfop->rc)
1322                         goto op_err;
1323                 return;
1324
1325         case BNX2X_VFOP_QTEARDOWN_CLR_MCAST:
1326                 vfop->state = BNX2X_VFOP_QTEARDOWN_QDTOR;
1327                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, 0, false);
1328                 if (vfop->rc)
1329                         goto op_err;
1330                 return;
1331
1332         case BNX2X_VFOP_QTEARDOWN_QDTOR:
1333                 /* run the queue destruction flow */
1334                 DP(BNX2X_MSG_IOV, "case: BNX2X_VFOP_QTEARDOWN_QDTOR\n");
1335                 vfop->state = BNX2X_VFOP_QTEARDOWN_DONE;
1336                 DP(BNX2X_MSG_IOV, "new state: BNX2X_VFOP_QTEARDOWN_DONE\n");
1337                 vfop->rc = bnx2x_vfop_qdtor_cmd(bp, vf, &cmd, qid);
1338                 DP(BNX2X_MSG_IOV, "returned from cmd\n");
1339                 if (vfop->rc)
1340                         goto op_err;
1341                 return;
1342 op_err:
1343         BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n",
1344                   vf->abs_vfid, qid, vfop->rc);
1345
1346         case BNX2X_VFOP_QTEARDOWN_DONE:
1347                 bnx2x_vfop_end(bp, vf, vfop);
1348                 return;
1349         default:
1350                 bnx2x_vfop_default(state);
1351         }
1352 }
1353
1354 int bnx2x_vfop_qdown_cmd(struct bnx2x *bp,
1355                          struct bnx2x_virtf *vf,
1356                          struct bnx2x_vfop_cmd *cmd,
1357                          int qid)
1358 {
1359         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1360
1361         /* for non leading queues skip directly to qdown sate */
1362         if (vfop) {
1363                 vfop->args.qx.qid = qid;
1364                 bnx2x_vfop_opset(qid == LEADING_IDX ?
1365                                  BNX2X_VFOP_QTEARDOWN_RXMODE :
1366                                  BNX2X_VFOP_QTEARDOWN_QDTOR, bnx2x_vfop_qdown,
1367                                  cmd->done);
1368                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdown,
1369                                              cmd->block);
1370         }
1371
1372         return -ENOMEM;
1373 }
1374
1375 /* VF enable primitives
1376  * when pretend is required the caller is responsible
1377  * for calling pretend prior to calling these routines
1378  */
1379
1380 /* internal vf enable - until vf is enabled internally all transactions
1381  * are blocked. This routine should always be called last with pretend.
1382  */
1383 static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable)
1384 {
1385         REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0);
1386 }
1387
1388 /* clears vf error in all semi blocks */
1389 static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid)
1390 {
1391         REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid);
1392         REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid);
1393         REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid);
1394         REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid);
1395 }
1396
1397 static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid)
1398 {
1399         u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5;
1400         u32 was_err_reg = 0;
1401
1402         switch (was_err_group) {
1403         case 0:
1404             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR;
1405             break;
1406         case 1:
1407             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR;
1408             break;
1409         case 2:
1410             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR;
1411             break;
1412         case 3:
1413             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR;
1414             break;
1415         }
1416         REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f));
1417 }
1418
1419 static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf)
1420 {
1421         int i;
1422         u32 val;
1423
1424         /* Set VF masks and configuration - pretend */
1425         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1426
1427         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
1428         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
1429         REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
1430         REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
1431         REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
1432         REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
1433
1434         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
1435         val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN);
1436         if (vf->cfg_flags & VF_CFG_INT_SIMD)
1437                 val |= IGU_VF_CONF_SINGLE_ISR_EN;
1438         val &= ~IGU_VF_CONF_PARENT_MASK;
1439         val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */
1440         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
1441
1442         DP(BNX2X_MSG_IOV,
1443            "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n",
1444            vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION));
1445
1446         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1447
1448         /* iterate over all queues, clear sb consumer */
1449         for (i = 0; i < vf_sb_count(vf); i++) {
1450                 u8 igu_sb_id = vf_igu_sb(vf, i);
1451
1452                 /* zero prod memory */
1453                 REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0);
1454
1455                 /* clear sb state machine */
1456                 bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id,
1457                                        false /* VF */);
1458
1459                 /* disable + update */
1460                 bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0,
1461                                     IGU_INT_DISABLE, 1);
1462         }
1463 }
1464
1465 void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid)
1466 {
1467         /* set the VF-PF association in the FW */
1468         storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp));
1469         storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1);
1470
1471         /* clear vf errors*/
1472         bnx2x_vf_semi_clear_err(bp, abs_vfid);
1473         bnx2x_vf_pglue_clear_err(bp, abs_vfid);
1474
1475         /* internal vf-enable - pretend */
1476         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid));
1477         DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid);
1478         bnx2x_vf_enable_internal(bp, true);
1479         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1480 }
1481
1482 static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf)
1483 {
1484         /* Reset vf in IGU  interrupts are still disabled */
1485         bnx2x_vf_igu_reset(bp, vf);
1486
1487         /* pretend to enable the vf with the PBF */
1488         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1489         REG_WR(bp, PBF_REG_DISABLE_VF, 0);
1490         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1491 }
1492
1493 static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid)
1494 {
1495         struct pci_dev *dev;
1496         struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
1497
1498         if (!vf)
1499                 return false;
1500
1501         dev = pci_get_bus_and_slot(vf->bus, vf->devfn);
1502         if (dev)
1503                 return bnx2x_is_pcie_pending(dev);
1504         return false;
1505 }
1506
1507 int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid)
1508 {
1509         /* Verify no pending pci transactions */
1510         if (bnx2x_vf_is_pcie_pending(bp, abs_vfid))
1511                 BNX2X_ERR("PCIE Transactions still pending\n");
1512
1513         return 0;
1514 }
1515
1516 /* must be called after the number of PF queues and the number of VFs are
1517  * both known
1518  */
1519 static void
1520 bnx2x_iov_static_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1521 {
1522         struct vf_pf_resc_request *resc = &vf->alloc_resc;
1523         u16 vlan_count = 0;
1524
1525         /* will be set only during VF-ACQUIRE */
1526         resc->num_rxqs = 0;
1527         resc->num_txqs = 0;
1528
1529         /* no credit calculations for macs (just yet) */
1530         resc->num_mac_filters = 1;
1531
1532         /* divvy up vlan rules */
1533         vlan_count = bp->vlans_pool.check(&bp->vlans_pool);
1534         vlan_count = 1 << ilog2(vlan_count);
1535         resc->num_vlan_filters = vlan_count / BNX2X_NR_VIRTFN(bp);
1536
1537         /* no real limitation */
1538         resc->num_mc_filters = 0;
1539
1540         /* num_sbs already set */
1541         resc->num_sbs = vf->sb_count;
1542 }
1543
1544 /* FLR routines: */
1545 static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1546 {
1547         /* reset the state variables */
1548         bnx2x_iov_static_resc(bp, vf);
1549         vf->state = VF_FREE;
1550 }
1551
1552 static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf)
1553 {
1554         u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1555
1556         /* DQ usage counter */
1557         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1558         bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT,
1559                                         "DQ VF usage counter timed out",
1560                                         poll_cnt);
1561         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1562
1563         /* FW cleanup command - poll for the results */
1564         if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid),
1565                                    poll_cnt))
1566                 BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid);
1567
1568         /* verify TX hw is flushed */
1569         bnx2x_tx_hw_flushed(bp, poll_cnt);
1570 }
1571
1572 static void bnx2x_vfop_flr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1573 {
1574         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1575         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
1576         enum bnx2x_vfop_flr_state state = vfop->state;
1577         struct bnx2x_vfop_cmd cmd = {
1578                 .done = bnx2x_vfop_flr,
1579                 .block = false,
1580         };
1581
1582         if (vfop->rc < 0)
1583                 goto op_err;
1584
1585         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1586
1587         switch (state) {
1588         case BNX2X_VFOP_FLR_QUEUES:
1589                 /* the cleanup operations are valid if and only if the VF
1590                  * was first acquired.
1591                  */
1592                 if (++(qx->qid) < vf_rxq_count(vf)) {
1593                         vfop->rc = bnx2x_vfop_qflr_cmd(bp, vf, &cmd,
1594                                                        qx->qid);
1595                         if (vfop->rc)
1596                                 goto op_err;
1597                         return;
1598                 }
1599                 /* remove multicasts */
1600                 vfop->state = BNX2X_VFOP_FLR_HW;
1601                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL,
1602                                                 0, true);
1603                 if (vfop->rc)
1604                         goto op_err;
1605                 return;
1606         case BNX2X_VFOP_FLR_HW:
1607
1608                 /* dispatch final cleanup and wait for HW queues to flush */
1609                 bnx2x_vf_flr_clnup_hw(bp, vf);
1610
1611                 /* release VF resources */
1612                 bnx2x_vf_free_resc(bp, vf);
1613
1614                 /* re-open the mailbox */
1615                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
1616
1617                 goto op_done;
1618         default:
1619                 bnx2x_vfop_default(state);
1620         }
1621 op_err:
1622         BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf->abs_vfid, vfop->rc);
1623 op_done:
1624         vf->flr_clnup_stage = VF_FLR_ACK;
1625         bnx2x_vfop_end(bp, vf, vfop);
1626         bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1627 }
1628
1629 static int bnx2x_vfop_flr_cmd(struct bnx2x *bp,
1630                               struct bnx2x_virtf *vf,
1631                               vfop_handler_t done)
1632 {
1633         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1634         if (vfop) {
1635                 vfop->args.qx.qid = -1; /* loop */
1636                 bnx2x_vfop_opset(BNX2X_VFOP_FLR_QUEUES,
1637                                  bnx2x_vfop_flr, done);
1638                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_flr, false);
1639         }
1640         return -ENOMEM;
1641 }
1642
1643 static void bnx2x_vf_flr_clnup(struct bnx2x *bp, struct bnx2x_virtf *prev_vf)
1644 {
1645         int i = prev_vf ? prev_vf->index + 1 : 0;
1646         struct bnx2x_virtf *vf;
1647
1648         /* find next VF to cleanup */
1649 next_vf_to_clean:
1650         for (;
1651              i < BNX2X_NR_VIRTFN(bp) &&
1652              (bnx2x_vf(bp, i, state) != VF_RESET ||
1653               bnx2x_vf(bp, i, flr_clnup_stage) != VF_FLR_CLN);
1654              i++)
1655                 ;
1656
1657         DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. Num of vfs: %d\n", i,
1658            BNX2X_NR_VIRTFN(bp));
1659
1660         if (i < BNX2X_NR_VIRTFN(bp)) {
1661                 vf = BP_VF(bp, i);
1662
1663                 /* lock the vf pf channel */
1664                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1665
1666                 /* invoke the VF FLR SM */
1667                 if (bnx2x_vfop_flr_cmd(bp, vf, bnx2x_vf_flr_clnup)) {
1668                         BNX2X_ERR("VF[%d]: FLR cleanup failed -ENOMEM\n",
1669                                   vf->abs_vfid);
1670
1671                         /* mark the VF to be ACKED and continue */
1672                         vf->flr_clnup_stage = VF_FLR_ACK;
1673                         goto next_vf_to_clean;
1674                 }
1675                 return;
1676         }
1677
1678         /* we are done, update vf records */
1679         for_each_vf(bp, i) {
1680                 vf = BP_VF(bp, i);
1681
1682                 if (vf->flr_clnup_stage != VF_FLR_ACK)
1683                         continue;
1684
1685                 vf->flr_clnup_stage = VF_FLR_EPILOG;
1686         }
1687
1688         /* Acknowledge the handled VFs.
1689          * we are acknowledge all the vfs which an flr was requested for, even
1690          * if amongst them there are such that we never opened, since the mcp
1691          * will interrupt us immediately again if we only ack some of the bits,
1692          * resulting in an endless loop. This can happen for example in KVM
1693          * where an 'all ones' flr request is sometimes given by hyper visor
1694          */
1695         DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n",
1696            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1697         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1698                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i],
1699                           bp->vfdb->flrd_vfs[i]);
1700
1701         bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0);
1702
1703         /* clear the acked bits - better yet if the MCP implemented
1704          * write to clear semantics
1705          */
1706         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1707                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0);
1708 }
1709
1710 void bnx2x_vf_handle_flr_event(struct bnx2x *bp)
1711 {
1712         int i;
1713
1714         /* Read FLR'd VFs */
1715         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1716                 bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]);
1717
1718         DP(BNX2X_MSG_MCP,
1719            "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n",
1720            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1721
1722         for_each_vf(bp, i) {
1723                 struct bnx2x_virtf *vf = BP_VF(bp, i);
1724                 u32 reset = 0;
1725
1726                 if (vf->abs_vfid < 32)
1727                         reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid);
1728                 else
1729                         reset = bp->vfdb->flrd_vfs[1] &
1730                                 (1 << (vf->abs_vfid - 32));
1731
1732                 if (reset) {
1733                         /* set as reset and ready for cleanup */
1734                         vf->state = VF_RESET;
1735                         vf->flr_clnup_stage = VF_FLR_CLN;
1736
1737                         DP(BNX2X_MSG_IOV,
1738                            "Initiating Final cleanup for VF %d\n",
1739                            vf->abs_vfid);
1740                 }
1741         }
1742
1743         /* do the FLR cleanup for all marked VFs*/
1744         bnx2x_vf_flr_clnup(bp, NULL);
1745 }
1746
1747 /* IOV global initialization routines  */
1748 void bnx2x_iov_init_dq(struct bnx2x *bp)
1749 {
1750         if (!IS_SRIOV(bp))
1751                 return;
1752
1753         /* Set the DQ such that the CID reflect the abs_vfid */
1754         REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0);
1755         REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS));
1756
1757         /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to
1758          * the PF L2 queues
1759          */
1760         REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID);
1761
1762         /* The VF window size is the log2 of the max number of CIDs per VF */
1763         REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND);
1764
1765         /* The VF doorbell size  0 - *B, 4 - 128B. We set it here to match
1766          * the Pf doorbell size although the 2 are independent.
1767          */
1768         REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST, 3);
1769
1770         /* No security checks for now -
1771          * configure single rule (out of 16) mask = 0x1, value = 0x0,
1772          * CID range 0 - 0x1ffff
1773          */
1774         REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1);
1775         REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0);
1776         REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0);
1777         REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff);
1778
1779         /* set the VF doorbell threshold */
1780         REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4);
1781 }
1782
1783 void bnx2x_iov_init_dmae(struct bnx2x *bp)
1784 {
1785         if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV))
1786                 REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
1787 }
1788
1789 static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
1790 {
1791         struct pci_dev *dev = bp->pdev;
1792         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1793
1794         return dev->bus->number + ((dev->devfn + iov->offset +
1795                                     iov->stride * vfid) >> 8);
1796 }
1797
1798 static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid)
1799 {
1800         struct pci_dev *dev = bp->pdev;
1801         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1802
1803         return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff;
1804 }
1805
1806 static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf)
1807 {
1808         int i, n;
1809         struct pci_dev *dev = bp->pdev;
1810         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1811
1812         for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) {
1813                 u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i);
1814                 u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i);
1815
1816                 size /= iov->total;
1817                 vf->bars[n].bar = start + size * vf->abs_vfid;
1818                 vf->bars[n].size = size;
1819         }
1820 }
1821
1822 static int bnx2x_ari_enabled(struct pci_dev *dev)
1823 {
1824         return dev->bus->self && dev->bus->self->ari_enabled;
1825 }
1826
1827 static void
1828 bnx2x_get_vf_igu_cam_info(struct bnx2x *bp)
1829 {
1830         int sb_id;
1831         u32 val;
1832         u8 fid, current_pf = 0;
1833
1834         /* IGU in normal mode - read CAM */
1835         for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) {
1836                 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4);
1837                 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
1838                         continue;
1839                 fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID);
1840                 if (fid & IGU_FID_ENCODE_IS_PF)
1841                         current_pf = fid & IGU_FID_PF_NUM_MASK;
1842                 else if (current_pf == BP_FUNC(bp))
1843                         bnx2x_vf_set_igu_info(bp, sb_id,
1844                                               (fid & IGU_FID_VF_NUM_MASK));
1845                 DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n",
1846                    ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"),
1847                    ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) :
1848                    (fid & IGU_FID_VF_NUM_MASK)), sb_id,
1849                    GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR));
1850         }
1851         DP(BNX2X_MSG_IOV, "vf_sbs_pool is %d\n", BP_VFDB(bp)->vf_sbs_pool);
1852 }
1853
1854 static void __bnx2x_iov_free_vfdb(struct bnx2x *bp)
1855 {
1856         if (bp->vfdb) {
1857                 kfree(bp->vfdb->vfqs);
1858                 kfree(bp->vfdb->vfs);
1859                 kfree(bp->vfdb);
1860         }
1861         bp->vfdb = NULL;
1862 }
1863
1864 static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1865 {
1866         int pos;
1867         struct pci_dev *dev = bp->pdev;
1868
1869         pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
1870         if (!pos) {
1871                 BNX2X_ERR("failed to find SRIOV capability in device\n");
1872                 return -ENODEV;
1873         }
1874
1875         iov->pos = pos;
1876         DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos);
1877         pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
1878         pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total);
1879         pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial);
1880         pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
1881         pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
1882         pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
1883         pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap);
1884         pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
1885
1886         return 0;
1887 }
1888
1889 static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1890 {
1891         u32 val;
1892
1893         /* read the SRIOV capability structure
1894          * The fields can be read via configuration read or
1895          * directly from the device (starting at offset PCICFG_OFFSET)
1896          */
1897         if (bnx2x_sriov_pci_cfg_info(bp, iov))
1898                 return -ENODEV;
1899
1900         /* get the number of SRIOV bars */
1901         iov->nres = 0;
1902
1903         /* read the first_vfid */
1904         val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF);
1905         iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK)
1906                                * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp));
1907
1908         DP(BNX2X_MSG_IOV,
1909            "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",
1910            BP_FUNC(bp),
1911            iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total,
1912            iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
1913
1914         return 0;
1915 }
1916
1917 /* must be called after PF bars are mapped */
1918 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
1919                        int num_vfs_param)
1920 {
1921         int err, i;
1922         struct bnx2x_sriov *iov;
1923         struct pci_dev *dev = bp->pdev;
1924
1925         bp->vfdb = NULL;
1926
1927         /* verify is pf */
1928         if (IS_VF(bp))
1929                 return 0;
1930
1931         /* verify sriov capability is present in configuration space */
1932         if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV))
1933                 return 0;
1934
1935         /* verify chip revision */
1936         if (CHIP_IS_E1x(bp))
1937                 return 0;
1938
1939         /* check if SRIOV support is turned off */
1940         if (!num_vfs_param)
1941                 return 0;
1942
1943         /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */
1944         if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) {
1945                 BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n",
1946                           BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID);
1947                 return 0;
1948         }
1949
1950         /* SRIOV can be enabled only with MSIX */
1951         if (int_mode_param == BNX2X_INT_MODE_MSI ||
1952             int_mode_param == BNX2X_INT_MODE_INTX) {
1953                 BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n");
1954                 return 0;
1955         }
1956
1957         err = -EIO;
1958         /* verify ari is enabled */
1959         if (!bnx2x_ari_enabled(bp->pdev)) {
1960                 BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n");
1961                 return 0;
1962         }
1963
1964         /* verify igu is in normal mode */
1965         if (CHIP_INT_MODE_IS_BC(bp)) {
1966                 BNX2X_ERR("IGU not normal mode,  SRIOV can not be enabled\n");
1967                 return 0;
1968         }
1969
1970         /* allocate the vfs database */
1971         bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL);
1972         if (!bp->vfdb) {
1973                 BNX2X_ERR("failed to allocate vf database\n");
1974                 err = -ENOMEM;
1975                 goto failed;
1976         }
1977
1978         /* get the sriov info - Linux already collected all the pertinent
1979          * information, however the sriov structure is for the private use
1980          * of the pci module. Also we want this information regardless
1981          * of the hyper-visor.
1982          */
1983         iov = &(bp->vfdb->sriov);
1984         err = bnx2x_sriov_info(bp, iov);
1985         if (err)
1986                 goto failed;
1987
1988         /* SR-IOV capability was enabled but there are no VFs*/
1989         if (iov->total == 0)
1990                 goto failed;
1991
1992         iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param);
1993
1994         DP(BNX2X_MSG_IOV, "num_vfs_param was %d, nr_virtfn was %d\n",
1995            num_vfs_param, iov->nr_virtfn);
1996
1997         /* allocate the vf array */
1998         bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) *
1999                                 BNX2X_NR_VIRTFN(bp), GFP_KERNEL);
2000         if (!bp->vfdb->vfs) {
2001                 BNX2X_ERR("failed to allocate vf array\n");
2002                 err = -ENOMEM;
2003                 goto failed;
2004         }
2005
2006         /* Initial VF init - index and abs_vfid - nr_virtfn must be set */
2007         for_each_vf(bp, i) {
2008                 bnx2x_vf(bp, i, index) = i;
2009                 bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i;
2010                 bnx2x_vf(bp, i, state) = VF_FREE;
2011                 INIT_LIST_HEAD(&bnx2x_vf(bp, i, op_list_head));
2012                 mutex_init(&bnx2x_vf(bp, i, op_mutex));
2013                 bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE;
2014         }
2015
2016         /* re-read the IGU CAM for VFs - index and abs_vfid must be set */
2017         bnx2x_get_vf_igu_cam_info(bp);
2018
2019         /* allocate the queue arrays for all VFs */
2020         bp->vfdb->vfqs = kzalloc(
2021                 BNX2X_MAX_NUM_VF_QUEUES * sizeof(struct bnx2x_vf_queue),
2022                 GFP_KERNEL);
2023
2024         DP(BNX2X_MSG_IOV, "bp->vfdb->vfqs was %p\n", bp->vfdb->vfqs);
2025
2026         if (!bp->vfdb->vfqs) {
2027                 BNX2X_ERR("failed to allocate vf queue array\n");
2028                 err = -ENOMEM;
2029                 goto failed;
2030         }
2031
2032         return 0;
2033 failed:
2034         DP(BNX2X_MSG_IOV, "Failed err=%d\n", err);
2035         __bnx2x_iov_free_vfdb(bp);
2036         return err;
2037 }
2038
2039 void bnx2x_iov_remove_one(struct bnx2x *bp)
2040 {
2041         int vf_idx;
2042
2043         /* if SRIOV is not enabled there's nothing to do */
2044         if (!IS_SRIOV(bp))
2045                 return;
2046
2047         DP(BNX2X_MSG_IOV, "about to call disable sriov\n");
2048         pci_disable_sriov(bp->pdev);
2049         DP(BNX2X_MSG_IOV, "sriov disabled\n");
2050
2051         /* disable access to all VFs */
2052         for (vf_idx = 0; vf_idx < bp->vfdb->sriov.total; vf_idx++) {
2053                 bnx2x_pretend_func(bp,
2054                                    HW_VF_HANDLE(bp,
2055                                                 bp->vfdb->sriov.first_vf_in_pf +
2056                                                 vf_idx));
2057                 DP(BNX2X_MSG_IOV, "disabling internal access for vf %d\n",
2058                    bp->vfdb->sriov.first_vf_in_pf + vf_idx);
2059                 bnx2x_vf_enable_internal(bp, 0);
2060                 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2061         }
2062
2063         /* free vf database */
2064         __bnx2x_iov_free_vfdb(bp);
2065 }
2066
2067 void bnx2x_iov_free_mem(struct bnx2x *bp)
2068 {
2069         int i;
2070
2071         if (!IS_SRIOV(bp))
2072                 return;
2073
2074         /* free vfs hw contexts */
2075         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2076                 struct hw_dma *cxt = &bp->vfdb->context[i];
2077                 BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size);
2078         }
2079
2080         BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr,
2081                        BP_VFDB(bp)->sp_dma.mapping,
2082                        BP_VFDB(bp)->sp_dma.size);
2083
2084         BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr,
2085                        BP_VF_MBX_DMA(bp)->mapping,
2086                        BP_VF_MBX_DMA(bp)->size);
2087
2088         BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr,
2089                        BP_VF_BULLETIN_DMA(bp)->mapping,
2090                        BP_VF_BULLETIN_DMA(bp)->size);
2091 }
2092
2093 int bnx2x_iov_alloc_mem(struct bnx2x *bp)
2094 {
2095         size_t tot_size;
2096         int i, rc = 0;
2097
2098         if (!IS_SRIOV(bp))
2099                 return rc;
2100
2101         /* allocate vfs hw contexts */
2102         tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) *
2103                 BNX2X_CIDS_PER_VF * sizeof(union cdu_context);
2104
2105         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2106                 struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i);
2107                 cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ);
2108
2109                 if (cxt->size) {
2110                         BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size);
2111                 } else {
2112                         cxt->addr = NULL;
2113                         cxt->mapping = 0;
2114                 }
2115                 tot_size -= cxt->size;
2116         }
2117
2118         /* allocate vfs ramrods dma memory - client_init and set_mac */
2119         tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp);
2120         BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping,
2121                         tot_size);
2122         BP_VFDB(bp)->sp_dma.size = tot_size;
2123
2124         /* allocate mailboxes */
2125         tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE;
2126         BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping,
2127                         tot_size);
2128         BP_VF_MBX_DMA(bp)->size = tot_size;
2129
2130         /* allocate local bulletin boards */
2131         tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE;
2132         BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp)->addr,
2133                         &BP_VF_BULLETIN_DMA(bp)->mapping, tot_size);
2134         BP_VF_BULLETIN_DMA(bp)->size = tot_size;
2135
2136         return 0;
2137
2138 alloc_mem_err:
2139         return -ENOMEM;
2140 }
2141
2142 static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
2143                            struct bnx2x_vf_queue *q)
2144 {
2145         u8 cl_id = vfq_cl_id(vf, q);
2146         u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
2147         unsigned long q_type = 0;
2148
2149         set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
2150         set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
2151
2152         /* Queue State object */
2153         bnx2x_init_queue_obj(bp, &q->sp_obj,
2154                              cl_id, &q->cid, 1, func_id,
2155                              bnx2x_vf_sp(bp, vf, q_data),
2156                              bnx2x_vf_sp_map(bp, vf, q_data),
2157                              q_type);
2158
2159         DP(BNX2X_MSG_IOV,
2160            "initialized vf %d's queue object. func id set to %d. cid set to 0x%x\n",
2161            vf->abs_vfid, q->sp_obj.func_id, q->cid);
2162 }
2163
2164 /* called by bnx2x_nic_load */
2165 int bnx2x_iov_nic_init(struct bnx2x *bp)
2166 {
2167         int vfid;
2168
2169         if (!IS_SRIOV(bp)) {
2170                 DP(BNX2X_MSG_IOV, "vfdb was not allocated\n");
2171                 return 0;
2172         }
2173
2174         DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn);
2175
2176         /* let FLR complete ... */
2177         msleep(100);
2178
2179         /* initialize vf database */
2180         for_each_vf(bp, vfid) {
2181                 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2182
2183                 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) *
2184                         BNX2X_CIDS_PER_VF;
2185
2186                 union cdu_context *base_cxt = (union cdu_context *)
2187                         BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2188                         (base_vf_cid & (ILT_PAGE_CIDS-1));
2189
2190                 DP(BNX2X_MSG_IOV,
2191                    "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n",
2192                    vf->abs_vfid, vf_sb_count(vf), base_vf_cid,
2193                    BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt);
2194
2195                 /* init statically provisioned resources */
2196                 bnx2x_iov_static_resc(bp, vf);
2197
2198                 /* queues are initialized during VF-ACQUIRE */
2199
2200                 /* reserve the vf vlan credit */
2201                 bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf));
2202
2203                 vf->filter_state = 0;
2204                 vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id);
2205
2206                 /*  init mcast object - This object will be re-initialized
2207                  *  during VF-ACQUIRE with the proper cl_id and cid.
2208                  *  It needs to be initialized here so that it can be safely
2209                  *  handled by a subsequent FLR flow.
2210                  */
2211                 vf->mcast_list_len = 0;
2212                 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF,
2213                                      0xFF, 0xFF, 0xFF,
2214                                      bnx2x_vf_sp(bp, vf, mcast_rdata),
2215                                      bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2216                                      BNX2X_FILTER_MCAST_PENDING,
2217                                      &vf->filter_state,
2218                                      BNX2X_OBJ_TYPE_RX_TX);
2219
2220                 /* set the mailbox message addresses */
2221                 BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *)
2222                         (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid *
2223                         MBX_MSG_ALIGNED_SIZE);
2224
2225                 BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping +
2226                         vfid * MBX_MSG_ALIGNED_SIZE;
2227
2228                 /* Enable vf mailbox */
2229                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
2230         }
2231
2232         /* Final VF init */
2233         for_each_vf(bp, vfid) {
2234                 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2235
2236                 /* fill in the BDF and bars */
2237                 vf->bus = bnx2x_vf_bus(bp, vfid);
2238                 vf->devfn = bnx2x_vf_devfn(bp, vfid);
2239                 bnx2x_vf_set_bars(bp, vf);
2240
2241                 DP(BNX2X_MSG_IOV,
2242                    "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n",
2243                    vf->abs_vfid, vf->bus, vf->devfn,
2244                    (unsigned)vf->bars[0].bar, vf->bars[0].size,
2245                    (unsigned)vf->bars[1].bar, vf->bars[1].size,
2246                    (unsigned)vf->bars[2].bar, vf->bars[2].size);
2247         }
2248
2249         return 0;
2250 }
2251
2252 /* called by bnx2x_chip_cleanup */
2253 int bnx2x_iov_chip_cleanup(struct bnx2x *bp)
2254 {
2255         int i;
2256
2257         if (!IS_SRIOV(bp))
2258                 return 0;
2259
2260         /* release all the VFs */
2261         for_each_vf(bp, i)
2262                 bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */
2263
2264         return 0;
2265 }
2266
2267 /* called by bnx2x_init_hw_func, returns the next ilt line */
2268 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line)
2269 {
2270         int i;
2271         struct bnx2x_ilt *ilt = BP_ILT(bp);
2272
2273         if (!IS_SRIOV(bp))
2274                 return line;
2275
2276         /* set vfs ilt lines */
2277         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2278                 struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i);
2279
2280                 ilt->lines[line+i].page = hw_cxt->addr;
2281                 ilt->lines[line+i].page_mapping = hw_cxt->mapping;
2282                 ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */
2283         }
2284         return line + i;
2285 }
2286
2287 static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid)
2288 {
2289         return ((cid >= BNX2X_FIRST_VF_CID) &&
2290                 ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS));
2291 }
2292
2293 static
2294 void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp,
2295                                         struct bnx2x_vf_queue *vfq,
2296                                         union event_ring_elem *elem)
2297 {
2298         unsigned long ramrod_flags = 0;
2299         int rc = 0;
2300
2301         /* Always push next commands out, don't wait here */
2302         set_bit(RAMROD_CONT, &ramrod_flags);
2303
2304         switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
2305         case BNX2X_FILTER_MAC_PENDING:
2306                 rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem,
2307                                            &ramrod_flags);
2308                 break;
2309         case BNX2X_FILTER_VLAN_PENDING:
2310                 rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem,
2311                                             &ramrod_flags);
2312                 break;
2313         default:
2314                 BNX2X_ERR("Unsupported classification command: %d\n",
2315                           elem->message.data.eth_event.echo);
2316                 return;
2317         }
2318         if (rc < 0)
2319                 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
2320         else if (rc > 0)
2321                 DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n");
2322 }
2323
2324 static
2325 void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp,
2326                                struct bnx2x_virtf *vf)
2327 {
2328         struct bnx2x_mcast_ramrod_params rparam = {NULL};
2329         int rc;
2330
2331         rparam.mcast_obj = &vf->mcast_obj;
2332         vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw);
2333
2334         /* If there are pending mcast commands - send them */
2335         if (vf->mcast_obj.check_pending(&vf->mcast_obj)) {
2336                 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
2337                 if (rc < 0)
2338                         BNX2X_ERR("Failed to send pending mcast commands: %d\n",
2339                                   rc);
2340         }
2341 }
2342
2343 static
2344 void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp,
2345                                  struct bnx2x_virtf *vf)
2346 {
2347         smp_mb__before_clear_bit();
2348         clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
2349         smp_mb__after_clear_bit();
2350 }
2351
2352 int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem)
2353 {
2354         struct bnx2x_virtf *vf;
2355         int qidx = 0, abs_vfid;
2356         u8 opcode;
2357         u16 cid = 0xffff;
2358
2359         if (!IS_SRIOV(bp))
2360                 return 1;
2361
2362         /* first get the cid - the only events we handle here are cfc-delete
2363          * and set-mac completion
2364          */
2365         opcode = elem->message.opcode;
2366
2367         switch (opcode) {
2368         case EVENT_RING_OPCODE_CFC_DEL:
2369                 cid = SW_CID((__force __le32)
2370                              elem->message.data.cfc_del_event.cid);
2371                 DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid);
2372                 break;
2373         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2374         case EVENT_RING_OPCODE_MULTICAST_RULES:
2375         case EVENT_RING_OPCODE_FILTERS_RULES:
2376                 cid = (elem->message.data.eth_event.echo &
2377                        BNX2X_SWCID_MASK);
2378                 DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid);
2379                 break;
2380         case EVENT_RING_OPCODE_VF_FLR:
2381                 abs_vfid = elem->message.data.vf_flr_event.vf_id;
2382                 DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n",
2383                    abs_vfid);
2384                 goto get_vf;
2385         case EVENT_RING_OPCODE_MALICIOUS_VF:
2386                 abs_vfid = elem->message.data.malicious_vf_event.vf_id;
2387                 DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d err_id=0x%x\n",
2388                    abs_vfid, elem->message.data.malicious_vf_event.err_id);
2389                 goto get_vf;
2390         default:
2391                 return 1;
2392         }
2393
2394         /* check if the cid is the VF range */
2395         if (!bnx2x_iov_is_vf_cid(bp, cid)) {
2396                 DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid);
2397                 return 1;
2398         }
2399
2400         /* extract vf and rxq index from vf_cid - relies on the following:
2401          * 1. vfid on cid reflects the true abs_vfid
2402          * 2. The max number of VFs (per path) is 64
2403          */
2404         qidx = cid & ((1 << BNX2X_VF_CID_WND)-1);
2405         abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2406 get_vf:
2407         vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
2408
2409         if (!vf) {
2410                 BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n",
2411                           cid, abs_vfid);
2412                 return 0;
2413         }
2414
2415         switch (opcode) {
2416         case EVENT_RING_OPCODE_CFC_DEL:
2417                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n",
2418                    vf->abs_vfid, qidx);
2419                 vfq_get(vf, qidx)->sp_obj.complete_cmd(bp,
2420                                                        &vfq_get(vf,
2421                                                                 qidx)->sp_obj,
2422                                                        BNX2X_Q_CMD_CFC_DEL);
2423                 break;
2424         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2425                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n",
2426                    vf->abs_vfid, qidx);
2427                 bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem);
2428                 break;
2429         case EVENT_RING_OPCODE_MULTICAST_RULES:
2430                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n",
2431                    vf->abs_vfid, qidx);
2432                 bnx2x_vf_handle_mcast_eqe(bp, vf);
2433                 break;
2434         case EVENT_RING_OPCODE_FILTERS_RULES:
2435                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n",
2436                    vf->abs_vfid, qidx);
2437                 bnx2x_vf_handle_filters_eqe(bp, vf);
2438                 break;
2439         case EVENT_RING_OPCODE_VF_FLR:
2440                 DP(BNX2X_MSG_IOV, "got VF [%d] FLR notification\n",
2441                    vf->abs_vfid);
2442                 /* Do nothing for now */
2443                 break;
2444         case EVENT_RING_OPCODE_MALICIOUS_VF:
2445                 DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d error id %x\n",
2446                    abs_vfid, elem->message.data.malicious_vf_event.err_id);
2447                 /* Do nothing for now */
2448                 break;
2449         }
2450         /* SRIOV: reschedule any 'in_progress' operations */
2451         bnx2x_iov_sp_event(bp, cid, false);
2452
2453         return 0;
2454 }
2455
2456 static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid)
2457 {
2458         /* extract the vf from vf_cid - relies on the following:
2459          * 1. vfid on cid reflects the true abs_vfid
2460          * 2. The max number of VFs (per path) is 64
2461          */
2462         int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2463         return bnx2x_vf_by_abs_fid(bp, abs_vfid);
2464 }
2465
2466 void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
2467                                 struct bnx2x_queue_sp_obj **q_obj)
2468 {
2469         struct bnx2x_virtf *vf;
2470
2471         if (!IS_SRIOV(bp))
2472                 return;
2473
2474         vf = bnx2x_vf_by_cid(bp, vf_cid);
2475
2476         if (vf) {
2477                 /* extract queue index from vf_cid - relies on the following:
2478                  * 1. vfid on cid reflects the true abs_vfid
2479                  * 2. The max number of VFs (per path) is 64
2480                  */
2481                 int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1);
2482                 *q_obj = &bnx2x_vfq(vf, q_index, sp_obj);
2483         } else {
2484                 BNX2X_ERR("No vf matching cid %d\n", vf_cid);
2485         }
2486 }
2487
2488 void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work)
2489 {
2490         struct bnx2x_virtf *vf;
2491
2492         /* check if the cid is the VF range */
2493         if (!IS_SRIOV(bp) || !bnx2x_iov_is_vf_cid(bp, vf_cid))
2494                 return;
2495
2496         vf = bnx2x_vf_by_cid(bp, vf_cid);
2497         if (vf) {
2498                 /* set in_progress flag */
2499                 atomic_set(&vf->op_in_progress, 1);
2500                 if (queue_work)
2501                         queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
2502         }
2503 }
2504
2505 void bnx2x_iov_adjust_stats_req(struct bnx2x *bp)
2506 {
2507         int i;
2508         int first_queue_query_index, num_queues_req;
2509         dma_addr_t cur_data_offset;
2510         struct stats_query_entry *cur_query_entry;
2511         u8 stats_count = 0;
2512         bool is_fcoe = false;
2513
2514         if (!IS_SRIOV(bp))
2515                 return;
2516
2517         if (!NO_FCOE(bp))
2518                 is_fcoe = true;
2519
2520         /* fcoe adds one global request and one queue request */
2521         num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe;
2522         first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX -
2523                 (is_fcoe ? 0 : 1);
2524
2525         DP(BNX2X_MSG_IOV,
2526            "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",
2527            BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index,
2528            first_queue_query_index + num_queues_req);
2529
2530         cur_data_offset = bp->fw_stats_data_mapping +
2531                 offsetof(struct bnx2x_fw_stats_data, queue_stats) +
2532                 num_queues_req * sizeof(struct per_queue_stats);
2533
2534         cur_query_entry = &bp->fw_stats_req->
2535                 query[first_queue_query_index + num_queues_req];
2536
2537         for_each_vf(bp, i) {
2538                 int j;
2539                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2540
2541                 if (vf->state != VF_ENABLED) {
2542                         DP(BNX2X_MSG_IOV,
2543                            "vf %d not enabled so no stats for it\n",
2544                            vf->abs_vfid);
2545                         continue;
2546                 }
2547
2548                 DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid);
2549                 for_each_vfq(vf, j) {
2550                         struct bnx2x_vf_queue *rxq = vfq_get(vf, j);
2551
2552                         dma_addr_t q_stats_addr =
2553                                 vf->fw_stat_map + j * vf->stats_stride;
2554
2555                         /* collect stats fro active queues only */
2556                         if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) ==
2557                             BNX2X_Q_LOGICAL_STATE_STOPPED)
2558                                 continue;
2559
2560                         /* create stats query entry for this queue */
2561                         cur_query_entry->kind = STATS_TYPE_QUEUE;
2562                         cur_query_entry->index = vfq_stat_id(vf, rxq);
2563                         cur_query_entry->funcID =
2564                                 cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid));
2565                         cur_query_entry->address.hi =
2566                                 cpu_to_le32(U64_HI(q_stats_addr));
2567                         cur_query_entry->address.lo =
2568                                 cpu_to_le32(U64_LO(q_stats_addr));
2569                         DP(BNX2X_MSG_IOV,
2570                            "added address %x %x for vf %d queue %d client %d\n",
2571                            cur_query_entry->address.hi,
2572                            cur_query_entry->address.lo, cur_query_entry->funcID,
2573                            j, cur_query_entry->index);
2574                         cur_query_entry++;
2575                         cur_data_offset += sizeof(struct per_queue_stats);
2576                         stats_count++;
2577
2578                         /* all stats are coalesced to the leading queue */
2579                         if (vf->cfg_flags & VF_CFG_STATS_COALESCE)
2580                                 break;
2581                 }
2582         }
2583         bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count;
2584 }
2585
2586 void bnx2x_iov_sp_task(struct bnx2x *bp)
2587 {
2588         int i;
2589
2590         if (!IS_SRIOV(bp))
2591                 return;
2592         /* Iterate over all VFs and invoke state transition for VFs with
2593          * 'in-progress' slow-path operations
2594          */
2595         DP(BNX2X_MSG_IOV, "searching for pending vf operations\n");
2596         for_each_vf(bp, i) {
2597                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2598
2599                 if (!vf) {
2600                         BNX2X_ERR("VF was null! skipping...\n");
2601                         continue;
2602                 }
2603
2604                 if (!list_empty(&vf->op_list_head) &&
2605                     atomic_read(&vf->op_in_progress)) {
2606                         DP(BNX2X_MSG_IOV, "running pending op for vf %d\n", i);
2607                         bnx2x_vfop_cur(bp, vf)->transition(bp, vf);
2608                 }
2609         }
2610 }
2611
2612 static inline
2613 struct bnx2x_virtf *__vf_from_stat_id(struct bnx2x *bp, u8 stat_id)
2614 {
2615         int i;
2616         struct bnx2x_virtf *vf = NULL;
2617
2618         for_each_vf(bp, i) {
2619                 vf = BP_VF(bp, i);
2620                 if (stat_id >= vf->igu_base_id &&
2621                     stat_id < vf->igu_base_id + vf_sb_count(vf))
2622                         break;
2623         }
2624         return vf;
2625 }
2626
2627 /* VF API helpers */
2628 static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid,
2629                                 u8 enable)
2630 {
2631         u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4;
2632         u32 val = enable ? (abs_vfid | (1 << 6)) : 0;
2633
2634         REG_WR(bp, reg, val);
2635 }
2636
2637 static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf)
2638 {
2639         int i;
2640
2641         for_each_vfq(vf, i)
2642                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2643                                     vfq_qzone_id(vf, vfq_get(vf, i)), false);
2644 }
2645
2646 static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf)
2647 {
2648         u32 val;
2649
2650         /* clear the VF configuration - pretend */
2651         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
2652         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
2653         val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN |
2654                  IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK);
2655         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
2656         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2657 }
2658
2659 u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf)
2660 {
2661         return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF),
2662                      BNX2X_VF_MAX_QUEUES);
2663 }
2664
2665 static
2666 int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf,
2667                             struct vf_pf_resc_request *req_resc)
2668 {
2669         u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2670         u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2671
2672         return ((req_resc->num_rxqs <= rxq_cnt) &&
2673                 (req_resc->num_txqs <= txq_cnt) &&
2674                 (req_resc->num_sbs <= vf_sb_count(vf))   &&
2675                 (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) &&
2676                 (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf)));
2677 }
2678
2679 /* CORE VF API */
2680 int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
2681                      struct vf_pf_resc_request *resc)
2682 {
2683         int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) *
2684                 BNX2X_CIDS_PER_VF;
2685
2686         union cdu_context *base_cxt = (union cdu_context *)
2687                 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2688                 (base_vf_cid & (ILT_PAGE_CIDS-1));
2689         int i;
2690
2691         /* if state is 'acquired' the VF was not released or FLR'd, in
2692          * this case the returned resources match the acquired already
2693          * acquired resources. Verify that the requested numbers do
2694          * not exceed the already acquired numbers.
2695          */
2696         if (vf->state == VF_ACQUIRED) {
2697                 DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n",
2698                    vf->abs_vfid);
2699
2700                 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2701                         BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n",
2702                                   vf->abs_vfid);
2703                         return -EINVAL;
2704                 }
2705                 return 0;
2706         }
2707
2708         /* Otherwise vf state must be 'free' or 'reset' */
2709         if (vf->state != VF_FREE && vf->state != VF_RESET) {
2710                 BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n",
2711                           vf->abs_vfid, vf->state);
2712                 return -EINVAL;
2713         }
2714
2715         /* static allocation:
2716          * the global maximum number are fixed per VF. Fail the request if
2717          * requested number exceed these globals
2718          */
2719         if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2720                 DP(BNX2X_MSG_IOV,
2721                    "cannot fulfill vf resource request. Placing maximal available values in response\n");
2722                 /* set the max resource in the vf */
2723                 return -ENOMEM;
2724         }
2725
2726         /* Set resources counters - 0 request means max available */
2727         vf_sb_count(vf) = resc->num_sbs;
2728         vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2729         vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2730         if (resc->num_mac_filters)
2731                 vf_mac_rules_cnt(vf) = resc->num_mac_filters;
2732         if (resc->num_vlan_filters)
2733                 vf_vlan_rules_cnt(vf) = resc->num_vlan_filters;
2734
2735         DP(BNX2X_MSG_IOV,
2736            "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n",
2737            vf_sb_count(vf), vf_rxq_count(vf),
2738            vf_txq_count(vf), vf_mac_rules_cnt(vf),
2739            vf_vlan_rules_cnt(vf));
2740
2741         /* Initialize the queues */
2742         if (!vf->vfqs) {
2743                 DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n");
2744                 return -EINVAL;
2745         }
2746
2747         for_each_vfq(vf, i) {
2748                 struct bnx2x_vf_queue *q = vfq_get(vf, i);
2749
2750                 if (!q) {
2751                         BNX2X_ERR("q number %d was not allocated\n", i);
2752                         return -EINVAL;
2753                 }
2754
2755                 q->index = i;
2756                 q->cxt = &((base_cxt + i)->eth);
2757                 q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i;
2758
2759                 DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n",
2760                    vf->abs_vfid, i, q->index, q->cid, q->cxt);
2761
2762                 /* init SP objects */
2763                 bnx2x_vfq_init(bp, vf, q);
2764         }
2765         vf->state = VF_ACQUIRED;
2766         return 0;
2767 }
2768
2769 int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map)
2770 {
2771         struct bnx2x_func_init_params func_init = {0};
2772         u16 flags = 0;
2773         int i;
2774
2775         /* the sb resources are initialized at this point, do the
2776          * FW/HW initializations
2777          */
2778         for_each_vf_sb(vf, i)
2779                 bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true,
2780                               vf_igu_sb(vf, i), vf_igu_sb(vf, i));
2781
2782         /* Sanity checks */
2783         if (vf->state != VF_ACQUIRED) {
2784                 DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n",
2785                    vf->abs_vfid, vf->state);
2786                 return -EINVAL;
2787         }
2788
2789         /* let FLR complete ... */
2790         msleep(100);
2791
2792         /* FLR cleanup epilogue */
2793         if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid))
2794                 return -EBUSY;
2795
2796         /* reset IGU VF statistics: MSIX */
2797         REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0);
2798
2799         /* vf init */
2800         if (vf->cfg_flags & VF_CFG_STATS)
2801                 flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ);
2802
2803         if (vf->cfg_flags & VF_CFG_TPA)
2804                 flags |= FUNC_FLG_TPA;
2805
2806         if (is_vf_multi(vf))
2807                 flags |= FUNC_FLG_RSS;
2808
2809         /* function setup */
2810         func_init.func_flgs = flags;
2811         func_init.pf_id = BP_FUNC(bp);
2812         func_init.func_id = FW_VF_HANDLE(vf->abs_vfid);
2813         func_init.fw_stat_map = vf->fw_stat_map;
2814         func_init.spq_map = vf->spq_map;
2815         func_init.spq_prod = 0;
2816         bnx2x_func_init(bp, &func_init);
2817
2818         /* Enable the vf */
2819         bnx2x_vf_enable_access(bp, vf->abs_vfid);
2820         bnx2x_vf_enable_traffic(bp, vf);
2821
2822         /* queue protection table */
2823         for_each_vfq(vf, i)
2824                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2825                                     vfq_qzone_id(vf, vfq_get(vf, i)), true);
2826
2827         vf->state = VF_ENABLED;
2828
2829         /* update vf bulletin board */
2830         bnx2x_post_vf_bulletin(bp, vf->index);
2831
2832         return 0;
2833 }
2834
2835 struct set_vf_state_cookie {
2836         struct bnx2x_virtf *vf;
2837         u8 state;
2838 };
2839
2840 static void bnx2x_set_vf_state(void *cookie)
2841 {
2842         struct set_vf_state_cookie *p = (struct set_vf_state_cookie *)cookie;
2843
2844         p->vf->state = p->state;
2845 }
2846
2847 /* VFOP close (teardown the queues, delete mcasts and close HW) */
2848 static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf)
2849 {
2850         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2851         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
2852         enum bnx2x_vfop_close_state state = vfop->state;
2853         struct bnx2x_vfop_cmd cmd = {
2854                 .done = bnx2x_vfop_close,
2855                 .block = false,
2856         };
2857
2858         if (vfop->rc < 0)
2859                 goto op_err;
2860
2861         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
2862
2863         switch (state) {
2864         case BNX2X_VFOP_CLOSE_QUEUES:
2865
2866                 if (++(qx->qid) < vf_rxq_count(vf)) {
2867                         vfop->rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qx->qid);
2868                         if (vfop->rc)
2869                                 goto op_err;
2870                         return;
2871                 }
2872                 vfop->state = BNX2X_VFOP_CLOSE_HW;
2873                 vfop->rc = 0;
2874                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
2875
2876         case BNX2X_VFOP_CLOSE_HW:
2877
2878                 /* disable the interrupts */
2879                 DP(BNX2X_MSG_IOV, "disabling igu\n");
2880                 bnx2x_vf_igu_disable(bp, vf);
2881
2882                 /* disable the VF */
2883                 DP(BNX2X_MSG_IOV, "clearing qtbl\n");
2884                 bnx2x_vf_clr_qtbl(bp, vf);
2885
2886                 goto op_done;
2887         default:
2888                 bnx2x_vfop_default(state);
2889         }
2890 op_err:
2891         BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc);
2892 op_done:
2893
2894         /* need to make sure there are no outstanding stats ramrods which may
2895          * cause the device to access the VF's stats buffer which it will free
2896          * as soon as we return from the close flow.
2897          */
2898         {
2899                 struct set_vf_state_cookie cookie;
2900
2901                 cookie.vf = vf;
2902                 cookie.state = VF_ACQUIRED;
2903                 bnx2x_stats_safe_exec(bp, bnx2x_set_vf_state, &cookie);
2904         }
2905
2906         DP(BNX2X_MSG_IOV, "set state to acquired\n");
2907         bnx2x_vfop_end(bp, vf, vfop);
2908 op_pending:
2909         /* Not supported at the moment; Exists for macros only */
2910         return;
2911 }
2912
2913 int bnx2x_vfop_close_cmd(struct bnx2x *bp,
2914                          struct bnx2x_virtf *vf,
2915                          struct bnx2x_vfop_cmd *cmd)
2916 {
2917         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2918         if (vfop) {
2919                 vfop->args.qx.qid = -1; /* loop */
2920                 bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES,
2921                                  bnx2x_vfop_close, cmd->done);
2922                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_close,
2923                                              cmd->block);
2924         }
2925         return -ENOMEM;
2926 }
2927
2928 /* VF release can be called either: 1. The VF was acquired but
2929  * not enabled 2. the vf was enabled or in the process of being
2930  * enabled
2931  */
2932 static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf)
2933 {
2934         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2935         struct bnx2x_vfop_cmd cmd = {
2936                 .done = bnx2x_vfop_release,
2937                 .block = false,
2938         };
2939
2940         DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2941
2942         if (vfop->rc < 0)
2943                 goto op_err;
2944
2945         DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid,
2946            vf->state == VF_FREE ? "Free" :
2947            vf->state == VF_ACQUIRED ? "Acquired" :
2948            vf->state == VF_ENABLED ? "Enabled" :
2949            vf->state == VF_RESET ? "Reset" :
2950            "Unknown");
2951
2952         switch (vf->state) {
2953         case VF_ENABLED:
2954                 vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd);
2955                 if (vfop->rc)
2956                         goto op_err;
2957                 return;
2958
2959         case VF_ACQUIRED:
2960                 DP(BNX2X_MSG_IOV, "about to free resources\n");
2961                 bnx2x_vf_free_resc(bp, vf);
2962                 DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2963                 goto op_done;
2964
2965         case VF_FREE:
2966         case VF_RESET:
2967                 /* do nothing */
2968                 goto op_done;
2969         default:
2970                 bnx2x_vfop_default(vf->state);
2971         }
2972 op_err:
2973         BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc);
2974 op_done:
2975         bnx2x_vfop_end(bp, vf, vfop);
2976 }
2977
2978 static void bnx2x_vfop_rss(struct bnx2x *bp, struct bnx2x_virtf *vf)
2979 {
2980         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2981         enum bnx2x_vfop_rss_state state;
2982
2983         if (!vfop) {
2984                 BNX2X_ERR("vfop was null\n");
2985                 return;
2986         }
2987
2988         state = vfop->state;
2989         bnx2x_vfop_reset_wq(vf);
2990
2991         if (vfop->rc < 0)
2992                 goto op_err;
2993
2994         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
2995
2996         switch (state) {
2997         case BNX2X_VFOP_RSS_CONFIG:
2998                 /* next state */
2999                 vfop->state = BNX2X_VFOP_RSS_DONE;
3000                 bnx2x_config_rss(bp, &vfop->op_p->rss);
3001                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
3002 op_err:
3003                 BNX2X_ERR("RSS error: rc %d\n", vfop->rc);
3004 op_done:
3005         case BNX2X_VFOP_RSS_DONE:
3006                 bnx2x_vfop_end(bp, vf, vfop);
3007                 return;
3008         default:
3009                 bnx2x_vfop_default(state);
3010         }
3011 op_pending:
3012         return;
3013 }
3014
3015 int bnx2x_vfop_release_cmd(struct bnx2x *bp,
3016                            struct bnx2x_virtf *vf,
3017                            struct bnx2x_vfop_cmd *cmd)
3018 {
3019         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
3020         if (vfop) {
3021                 bnx2x_vfop_opset(-1, /* use vf->state */
3022                                  bnx2x_vfop_release, cmd->done);
3023                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release,
3024                                              cmd->block);
3025         }
3026         return -ENOMEM;
3027 }
3028
3029 int bnx2x_vfop_rss_cmd(struct bnx2x *bp,
3030                        struct bnx2x_virtf *vf,
3031                        struct bnx2x_vfop_cmd *cmd)
3032 {
3033         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
3034
3035         if (vfop) {
3036                 bnx2x_vfop_opset(BNX2X_VFOP_RSS_CONFIG, bnx2x_vfop_rss,
3037                                  cmd->done);
3038                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rss,
3039                                              cmd->block);
3040         }
3041         return -ENOMEM;
3042 }
3043
3044 /* VF release ~ VF close + VF release-resources
3045  * Release is the ultimate SW shutdown and is called whenever an
3046  * irrecoverable error is encountered.
3047  */
3048 void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block)
3049 {
3050         struct bnx2x_vfop_cmd cmd = {
3051                 .done = NULL,
3052                 .block = block,
3053         };
3054         int rc;
3055
3056         DP(BNX2X_MSG_IOV, "PF releasing vf %d\n", vf->abs_vfid);
3057         bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
3058
3059         rc = bnx2x_vfop_release_cmd(bp, vf, &cmd);
3060         if (rc)
3061                 WARN(rc,
3062                      "VF[%d] Failed to allocate resources for release op- rc=%d\n",
3063                      vf->abs_vfid, rc);
3064 }
3065
3066 static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp,
3067                               struct bnx2x_virtf *vf, u32 *sbdf)
3068 {
3069         *sbdf = vf->devfn | (vf->bus << 8);
3070 }
3071
3072 static inline void bnx2x_vf_get_bars(struct bnx2x *bp, struct bnx2x_virtf *vf,
3073                        struct bnx2x_vf_bar_info *bar_info)
3074 {
3075         int n;
3076
3077         bar_info->nr_bars = bp->vfdb->sriov.nres;
3078         for (n = 0; n < bar_info->nr_bars; n++)
3079                 bar_info->bars[n] = vf->bars[n];
3080 }
3081
3082 void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
3083                               enum channel_tlvs tlv)
3084 {
3085         /* we don't lock the channel for unsupported tlvs */
3086         if (!bnx2x_tlv_supported(tlv)) {
3087                 BNX2X_ERR("attempting to lock with unsupported tlv. Aborting\n");
3088                 return;
3089         }
3090
3091         /* lock the channel */
3092         mutex_lock(&vf->op_mutex);
3093
3094         /* record the locking op */
3095         vf->op_current = tlv;
3096
3097         /* log the lock */
3098         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n",
3099            vf->abs_vfid, tlv);
3100 }
3101
3102 void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
3103                                 enum channel_tlvs expected_tlv)
3104 {
3105         enum channel_tlvs current_tlv;
3106
3107         if (!vf) {
3108                 BNX2X_ERR("VF was %p\n", vf);
3109                 return;
3110         }
3111
3112         current_tlv = vf->op_current;
3113
3114         /* we don't unlock the channel for unsupported tlvs */
3115         if (!bnx2x_tlv_supported(expected_tlv))
3116                 return;
3117
3118         WARN(expected_tlv != vf->op_current,
3119              "lock mismatch: expected %d found %d", expected_tlv,
3120              vf->op_current);
3121
3122         /* record the locking op */
3123         vf->op_current = CHANNEL_TLV_NONE;
3124
3125         /* lock the channel */
3126         mutex_unlock(&vf->op_mutex);
3127
3128         /* log the unlock */
3129         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n",
3130            vf->abs_vfid, vf->op_current);
3131 }
3132
3133 int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param)
3134 {
3135         struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev));
3136
3137         if (!IS_SRIOV(bp)) {
3138                 BNX2X_ERR("failed to configure SR-IOV since vfdb was not allocated. Check dmesg for errors in probe stage\n");
3139                 return -EINVAL;
3140         }
3141
3142         DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n",
3143            num_vfs_param, BNX2X_NR_VIRTFN(bp));
3144
3145         /* HW channel is only operational when PF is up */
3146         if (bp->state != BNX2X_STATE_OPEN) {
3147                 BNX2X_ERR("VF num configuration via sysfs not supported while PF is down\n");
3148                 return -EINVAL;
3149         }
3150
3151         /* we are always bound by the total_vfs in the configuration space */
3152         if (num_vfs_param > BNX2X_NR_VIRTFN(bp)) {
3153                 BNX2X_ERR("truncating requested number of VFs (%d) down to maximum allowed (%d)\n",
3154                           num_vfs_param, BNX2X_NR_VIRTFN(bp));
3155                 num_vfs_param = BNX2X_NR_VIRTFN(bp);
3156         }
3157
3158         bp->requested_nr_virtfn = num_vfs_param;
3159         if (num_vfs_param == 0) {
3160                 pci_disable_sriov(dev);
3161                 return 0;
3162         } else {
3163                 return bnx2x_enable_sriov(bp);
3164         }
3165 }
3166 #define IGU_ENTRY_SIZE 4
3167
3168 int bnx2x_enable_sriov(struct bnx2x *bp)
3169 {
3170         int rc = 0, req_vfs = bp->requested_nr_virtfn;
3171         int vf_idx, sb_idx, vfq_idx, qcount, first_vf;
3172         u32 igu_entry, address;
3173         u16 num_vf_queues;
3174
3175         if (req_vfs == 0)
3176                 return 0;
3177
3178         first_vf = bp->vfdb->sriov.first_vf_in_pf;
3179
3180         /* statically distribute vf sb pool between VFs */
3181         num_vf_queues = min_t(u16, BNX2X_VF_MAX_QUEUES,
3182                               BP_VFDB(bp)->vf_sbs_pool / req_vfs);
3183
3184         /* zero previous values learned from igu cam */
3185         for (vf_idx = 0; vf_idx < req_vfs; vf_idx++) {
3186                 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
3187
3188                 vf->sb_count = 0;
3189                 vf_sb_count(BP_VF(bp, vf_idx)) = 0;
3190         }
3191         bp->vfdb->vf_sbs_pool = 0;
3192
3193         /* prepare IGU cam */
3194         sb_idx = BP_VFDB(bp)->first_vf_igu_entry;
3195         address = IGU_REG_MAPPING_MEMORY + sb_idx * IGU_ENTRY_SIZE;
3196         for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) {
3197                 for (vfq_idx = 0; vfq_idx < num_vf_queues; vfq_idx++) {
3198                         igu_entry = vf_idx << IGU_REG_MAPPING_MEMORY_FID_SHIFT |
3199                                 vfq_idx << IGU_REG_MAPPING_MEMORY_VECTOR_SHIFT |
3200                                 IGU_REG_MAPPING_MEMORY_VALID;
3201                         DP(BNX2X_MSG_IOV, "assigning sb %d to vf %d\n",
3202                            sb_idx, vf_idx);
3203                         REG_WR(bp, address, igu_entry);
3204                         sb_idx++;
3205                         address += IGU_ENTRY_SIZE;
3206                 }
3207         }
3208
3209         /* Reinitialize vf database according to igu cam */
3210         bnx2x_get_vf_igu_cam_info(bp);
3211
3212         DP(BNX2X_MSG_IOV, "vf_sbs_pool %d, num_vf_queues %d\n",
3213            BP_VFDB(bp)->vf_sbs_pool, num_vf_queues);
3214
3215         qcount = 0;
3216         for_each_vf(bp, vf_idx) {
3217                 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
3218
3219                 /* set local queue arrays */
3220                 vf->vfqs = &bp->vfdb->vfqs[qcount];
3221                 qcount += vf_sb_count(vf);
3222                 bnx2x_iov_static_resc(bp, vf);
3223         }
3224
3225         /* prepare msix vectors in VF configuration space - the value in the
3226          * PCI configuration space should be the index of the last entry,
3227          * namely one less than the actual size of the table
3228          */
3229         for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) {
3230                 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf_idx));
3231                 REG_WR(bp, PCICFG_OFFSET + GRC_CONFIG_REG_VF_MSIX_CONTROL,
3232                        num_vf_queues - 1);
3233                 DP(BNX2X_MSG_IOV, "set msix vec num in VF %d cfg space to %d\n",
3234                    vf_idx, num_vf_queues - 1);
3235         }
3236         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
3237
3238         /* enable sriov. This will probe all the VFs, and consequentially cause
3239          * the "acquire" messages to appear on the VF PF channel.
3240          */
3241         DP(BNX2X_MSG_IOV, "about to call enable sriov\n");
3242         bnx2x_disable_sriov(bp);
3243         rc = pci_enable_sriov(bp->pdev, req_vfs);
3244         if (rc) {
3245                 BNX2X_ERR("pci_enable_sriov failed with %d\n", rc);
3246                 return rc;
3247         }
3248         DP(BNX2X_MSG_IOV, "sriov enabled (%d vfs)\n", req_vfs);
3249         return req_vfs;
3250 }
3251
3252 void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp)
3253 {
3254         int vfidx;
3255         struct pf_vf_bulletin_content *bulletin;
3256
3257         DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n");
3258         for_each_vf(bp, vfidx) {
3259         bulletin = BP_VF_BULLETIN(bp, vfidx);
3260                 if (BP_VF(bp, vfidx)->cfg_flags & VF_CFG_VLAN)
3261                         bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0);
3262         }
3263 }
3264
3265 void bnx2x_disable_sriov(struct bnx2x *bp)
3266 {
3267         pci_disable_sriov(bp->pdev);
3268 }
3269
3270 static int bnx2x_vf_ndo_prep(struct bnx2x *bp, int vfidx,
3271                              struct bnx2x_virtf **vf,
3272                              struct pf_vf_bulletin_content **bulletin)
3273 {
3274         if (bp->state != BNX2X_STATE_OPEN) {
3275                 BNX2X_ERR("vf ndo called though PF is down\n");
3276                 return -EINVAL;
3277         }
3278
3279         if (!IS_SRIOV(bp)) {
3280                 BNX2X_ERR("vf ndo called though sriov is disabled\n");
3281                 return -EINVAL;
3282         }
3283
3284         if (vfidx >= BNX2X_NR_VIRTFN(bp)) {
3285                 BNX2X_ERR("vf ndo called for uninitialized VF. vfidx was %d BNX2X_NR_VIRTFN was %d\n",
3286                           vfidx, BNX2X_NR_VIRTFN(bp));
3287                 return -EINVAL;
3288         }
3289
3290         /* init members */
3291         *vf = BP_VF(bp, vfidx);
3292         *bulletin = BP_VF_BULLETIN(bp, vfidx);
3293
3294         if (!*vf) {
3295                 BNX2X_ERR("vf ndo called but vf struct is null. vfidx was %d\n",
3296                           vfidx);
3297                 return -EINVAL;
3298         }
3299
3300         if (!(*vf)->vfqs) {
3301                 BNX2X_ERR("vf ndo called but vfqs struct is null. Was ndo invoked before dynamically enabling SR-IOV? vfidx was %d\n",
3302                           vfidx);
3303                 return -EINVAL;
3304         }
3305
3306         if (!*bulletin) {
3307                 BNX2X_ERR("vf ndo called but Bulletin Board struct is null. vfidx was %d\n",
3308                           vfidx);
3309                 return -EINVAL;
3310         }
3311
3312         return 0;
3313 }
3314
3315 int bnx2x_get_vf_config(struct net_device *dev, int vfidx,
3316                         struct ifla_vf_info *ivi)
3317 {
3318         struct bnx2x *bp = netdev_priv(dev);
3319         struct bnx2x_virtf *vf = NULL;
3320         struct pf_vf_bulletin_content *bulletin = NULL;
3321         struct bnx2x_vlan_mac_obj *mac_obj;
3322         struct bnx2x_vlan_mac_obj *vlan_obj;
3323         int rc;
3324
3325         /* sanity and init */
3326         rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3327         if (rc)
3328                 return rc;
3329         mac_obj = &bnx2x_leading_vfq(vf, mac_obj);
3330         vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj);
3331         if (!mac_obj || !vlan_obj) {
3332                 BNX2X_ERR("VF partially initialized\n");
3333                 return -EINVAL;
3334         }
3335
3336         ivi->vf = vfidx;
3337         ivi->qos = 0;
3338         ivi->tx_rate = 10000; /* always 10G. TBA take from link struct */
3339         ivi->spoofchk = 1; /*always enabled */
3340         if (vf->state == VF_ENABLED) {
3341                 /* mac and vlan are in vlan_mac objects */
3342                 if (validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj)))
3343                         mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac,
3344                                                 0, ETH_ALEN);
3345                 if (validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, vlan_obj)))
3346                         vlan_obj->get_n_elements(bp, vlan_obj, 1,
3347                                                  (u8 *)&ivi->vlan, 0,
3348                                                  VLAN_HLEN);
3349         } else {
3350                 /* mac */
3351                 if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID))
3352                         /* mac configured by ndo so its in bulletin board */
3353                         memcpy(&ivi->mac, bulletin->mac, ETH_ALEN);
3354                 else
3355                         /* function has not been loaded yet. Show mac as 0s */
3356                         memset(&ivi->mac, 0, ETH_ALEN);
3357
3358                 /* vlan */
3359                 if (bulletin->valid_bitmap & (1 << VLAN_VALID))
3360                         /* vlan configured by ndo so its in bulletin board */
3361                         memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN);
3362                 else
3363                         /* function has not been loaded yet. Show vlans as 0s */
3364                         memset(&ivi->vlan, 0, VLAN_HLEN);
3365         }
3366
3367         return 0;
3368 }
3369
3370 /* New mac for VF. Consider these cases:
3371  * 1. VF hasn't been acquired yet - save the mac in local bulletin board and
3372  *    supply at acquire.
3373  * 2. VF has already been acquired but has not yet initialized - store in local
3374  *    bulletin board. mac will be posted on VF bulletin board after VF init. VF
3375  *    will configure this mac when it is ready.
3376  * 3. VF has already initialized but has not yet setup a queue - post the new
3377  *    mac on VF's bulletin board right now. VF will configure this mac when it
3378  *    is ready.
3379  * 4. VF has already set a queue - delete any macs already configured for this
3380  *    queue and manually config the new mac.
3381  * In any event, once this function has been called refuse any attempts by the
3382  * VF to configure any mac for itself except for this mac. In case of a race
3383  * where the VF fails to see the new post on its bulletin board before sending a
3384  * mac configuration request, the PF will simply fail the request and VF can try
3385  * again after consulting its bulletin board.
3386  */
3387 int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac)
3388 {
3389         struct bnx2x *bp = netdev_priv(dev);
3390         int rc, q_logical_state;
3391         struct bnx2x_virtf *vf = NULL;
3392         struct pf_vf_bulletin_content *bulletin = NULL;
3393
3394         /* sanity and init */
3395         rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3396         if (rc)
3397                 return rc;
3398         if (!is_valid_ether_addr(mac)) {
3399                 BNX2X_ERR("mac address invalid\n");
3400                 return -EINVAL;
3401         }
3402
3403         /* update PF's copy of the VF's bulletin. Will no longer accept mac
3404          * configuration requests from vf unless match this mac
3405          */
3406         bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID;
3407         memcpy(bulletin->mac, mac, ETH_ALEN);
3408
3409         /* Post update on VF's bulletin board */
3410         rc = bnx2x_post_vf_bulletin(bp, vfidx);
3411         if (rc) {
3412                 BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx);
3413                 return rc;
3414         }
3415
3416         q_logical_state =
3417                 bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj));
3418         if (vf->state == VF_ENABLED &&
3419             q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3420                 /* configure the mac in device on this vf's queue */
3421                 unsigned long ramrod_flags = 0;
3422                 struct bnx2x_vlan_mac_obj *mac_obj =
3423                         &bnx2x_leading_vfq(vf, mac_obj);
3424
3425                 rc = validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj));
3426                 if (rc)
3427                         return rc;
3428
3429                 /* must lock vfpf channel to protect against vf flows */
3430                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3431
3432                 /* remove existing eth macs */
3433                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true);
3434                 if (rc) {
3435                         BNX2X_ERR("failed to delete eth macs\n");
3436                         rc = -EINVAL;
3437                         goto out;
3438                 }
3439
3440                 /* remove existing uc list macs */
3441                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true);
3442                 if (rc) {
3443                         BNX2X_ERR("failed to delete uc_list macs\n");
3444                         rc = -EINVAL;
3445                         goto out;
3446                 }
3447
3448                 /* configure the new mac to device */
3449                 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3450                 bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true,
3451                                   BNX2X_ETH_MAC, &ramrod_flags);
3452
3453 out:
3454                 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3455         }
3456
3457         return 0;
3458 }
3459
3460 int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)
3461 {
3462         struct bnx2x_queue_state_params q_params = {NULL};
3463         struct bnx2x_vlan_mac_ramrod_params ramrod_param;
3464         struct bnx2x_queue_update_params *update_params;
3465         struct pf_vf_bulletin_content *bulletin = NULL;
3466         struct bnx2x_rx_mode_ramrod_params rx_ramrod;
3467         struct bnx2x *bp = netdev_priv(dev);
3468         struct bnx2x_vlan_mac_obj *vlan_obj;
3469         unsigned long vlan_mac_flags = 0;
3470         unsigned long ramrod_flags = 0;
3471         struct bnx2x_virtf *vf = NULL;
3472         unsigned long accept_flags;
3473         int rc;
3474
3475         /* sanity and init */
3476         rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3477         if (rc)
3478                 return rc;
3479
3480         if (vlan > 4095) {
3481                 BNX2X_ERR("illegal vlan value %d\n", vlan);
3482                 return -EINVAL;
3483         }
3484
3485         DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n",
3486            vfidx, vlan, 0);
3487
3488         /* update PF's copy of the VF's bulletin. No point in posting the vlan
3489          * to the VF since it doesn't have anything to do with it. But it useful
3490          * to store it here in case the VF is not up yet and we can only
3491          * configure the vlan later when it does. Treat vlan id 0 as remove the
3492          * Host tag.
3493          */
3494         if (vlan > 0)
3495                 bulletin->valid_bitmap |= 1 << VLAN_VALID;
3496         else
3497                 bulletin->valid_bitmap &= ~(1 << VLAN_VALID);
3498         bulletin->vlan = vlan;
3499
3500         /* is vf initialized and queue set up? */
3501         if (vf->state != VF_ENABLED ||
3502             bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj)) !=
3503             BNX2X_Q_LOGICAL_STATE_ACTIVE)
3504                 return rc;
3505
3506         /* configure the vlan in device on this vf's queue */
3507         vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj);
3508         rc = validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj));
3509         if (rc)
3510                 return rc;
3511
3512         /* must lock vfpf channel to protect against vf flows */
3513         bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3514
3515         /* remove existing vlans */
3516         __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3517         rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags,
3518                                   &ramrod_flags);
3519         if (rc) {
3520                 BNX2X_ERR("failed to delete vlans\n");
3521                 rc = -EINVAL;
3522                 goto out;
3523         }
3524
3525         /* need to remove/add the VF's accept_any_vlan bit */
3526         accept_flags = bnx2x_leading_vfq(vf, accept_flags);
3527         if (vlan)
3528                 clear_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
3529         else
3530                 set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
3531
3532         bnx2x_vf_prep_rx_mode(bp, LEADING_IDX, &rx_ramrod, vf,
3533                               accept_flags);
3534         bnx2x_leading_vfq(vf, accept_flags) = accept_flags;
3535         bnx2x_config_rx_mode(bp, &rx_ramrod);
3536
3537         /* configure the new vlan to device */
3538         memset(&ramrod_param, 0, sizeof(ramrod_param));
3539         __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3540         ramrod_param.vlan_mac_obj = vlan_obj;
3541         ramrod_param.ramrod_flags = ramrod_flags;
3542         set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT,
3543                 &ramrod_param.user_req.vlan_mac_flags);
3544         ramrod_param.user_req.u.vlan.vlan = vlan;
3545         ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
3546         rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
3547         if (rc) {
3548                 BNX2X_ERR("failed to configure vlan\n");
3549                 rc =  -EINVAL;
3550                 goto out;
3551         }
3552
3553         /* send queue update ramrod to configure default vlan and silent
3554          * vlan removal
3555          */
3556         __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
3557         q_params.cmd = BNX2X_Q_CMD_UPDATE;
3558         q_params.q_obj = &bnx2x_leading_vfq(vf, sp_obj);
3559         update_params = &q_params.params.update;
3560         __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
3561                   &update_params->update_flags);
3562         __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
3563                   &update_params->update_flags);
3564         if (vlan == 0) {
3565                 /* if vlan is 0 then we want to leave the VF traffic
3566                  * untagged, and leave the incoming traffic untouched
3567                  * (i.e. do not remove any vlan tags).
3568                  */
3569                 __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3570                             &update_params->update_flags);
3571                 __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3572                             &update_params->update_flags);
3573         } else {
3574                 /* configure default vlan to vf queue and set silent
3575                  * vlan removal (the vf remains unaware of this vlan).
3576                  */
3577                 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3578                           &update_params->update_flags);
3579                 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3580                           &update_params->update_flags);
3581                 update_params->def_vlan = vlan;
3582                 update_params->silent_removal_value =
3583                         vlan & VLAN_VID_MASK;
3584                 update_params->silent_removal_mask = VLAN_VID_MASK;
3585         }
3586
3587         /* Update the Queue state */
3588         rc = bnx2x_queue_state_change(bp, &q_params);
3589         if (rc) {
3590                 BNX2X_ERR("Failed to configure default VLAN\n");
3591                 goto out;
3592         }
3593
3594
3595         /* clear the flag indicating that this VF needs its vlan
3596          * (will only be set if the HV configured the Vlan before vf was
3597          * up and we were called because the VF came up later
3598          */
3599 out:
3600         vf->cfg_flags &= ~VF_CFG_VLAN;
3601         bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3602
3603         return rc;
3604 }
3605
3606 /* crc is the first field in the bulletin board. Compute the crc over the
3607  * entire bulletin board excluding the crc field itself. Use the length field
3608  * as the Bulletin Board was posted by a PF with possibly a different version
3609  * from the vf which will sample it. Therefore, the length is computed by the
3610  * PF and the used blindly by the VF.
3611  */
3612 u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp,
3613                           struct pf_vf_bulletin_content *bulletin)
3614 {
3615         return crc32(BULLETIN_CRC_SEED,
3616                  ((u8 *)bulletin) + sizeof(bulletin->crc),
3617                  bulletin->length - sizeof(bulletin->crc));
3618 }
3619
3620 /* Check for new posts on the bulletin board */
3621 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
3622 {
3623         struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
3624         int attempts;
3625
3626         /* bulletin board hasn't changed since last sample */
3627         if (bp->old_bulletin.version == bulletin.version)
3628                 return PFVF_BULLETIN_UNCHANGED;
3629
3630         /* validate crc of new bulletin board */
3631         if (bp->old_bulletin.version != bp->pf2vf_bulletin->content.version) {
3632                 /* sampling structure in mid post may result with corrupted data
3633                  * validate crc to ensure coherency.
3634                  */
3635                 for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) {
3636                         bulletin = bp->pf2vf_bulletin->content;
3637                         if (bulletin.crc == bnx2x_crc_vf_bulletin(bp,
3638                                                                   &bulletin))
3639                                 break;
3640                         BNX2X_ERR("bad crc on bulletin board. Contained %x computed %x\n",
3641                                   bulletin.crc,
3642                                   bnx2x_crc_vf_bulletin(bp, &bulletin));
3643                 }
3644                 if (attempts >= BULLETIN_ATTEMPTS) {
3645                         BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n",
3646                                   attempts);
3647                         return PFVF_BULLETIN_CRC_ERR;
3648                 }
3649         }
3650
3651         /* the mac address in bulletin board is valid and is new */
3652         if (bulletin.valid_bitmap & 1 << MAC_ADDR_VALID &&
3653             !ether_addr_equal(bulletin.mac, bp->old_bulletin.mac)) {
3654                 /* update new mac to net device */
3655                 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
3656         }
3657
3658         /* the vlan in bulletin board is valid and is new */
3659         if (bulletin.valid_bitmap & 1 << VLAN_VALID)
3660                 memcpy(&bulletin.vlan, &bp->old_bulletin.vlan, VLAN_HLEN);
3661
3662         /* copy new bulletin board to bp */
3663         bp->old_bulletin = bulletin;
3664
3665         return PFVF_BULLETIN_UPDATED;
3666 }
3667
3668 void bnx2x_timer_sriov(struct bnx2x *bp)
3669 {
3670         bnx2x_sample_bulletin(bp);
3671
3672         /* if channel is down we need to self destruct */
3673         if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
3674                 smp_mb__before_clear_bit();
3675                 set_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
3676                         &bp->sp_rtnl_state);
3677                 smp_mb__after_clear_bit();
3678                 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3679         }
3680 }
3681
3682 void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)
3683 {
3684         /* vf doorbells are embedded within the regview */
3685         return bp->regview + PXP_VF_ADDR_DB_START;
3686 }
3687
3688 int bnx2x_vf_pci_alloc(struct bnx2x *bp)
3689 {
3690         mutex_init(&bp->vf2pf_mutex);
3691
3692         /* allocate vf2pf mailbox for vf to pf channel */
3693         BNX2X_PCI_ALLOC(bp->vf2pf_mbox, &bp->vf2pf_mbox_mapping,
3694                         sizeof(struct bnx2x_vf_mbx_msg));
3695
3696         /* allocate pf 2 vf bulletin board */
3697         BNX2X_PCI_ALLOC(bp->pf2vf_bulletin, &bp->pf2vf_bulletin_mapping,
3698                         sizeof(union pf_vf_bulletin));
3699
3700         return 0;
3701
3702 alloc_mem_err:
3703         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3704                        sizeof(struct bnx2x_vf_mbx_msg));
3705         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->pf2vf_bulletin_mapping,
3706                        sizeof(union pf_vf_bulletin));
3707         return -ENOMEM;
3708 }
3709
3710 void bnx2x_iov_channel_down(struct bnx2x *bp)
3711 {
3712         int vf_idx;
3713         struct pf_vf_bulletin_content *bulletin;
3714
3715         if (!IS_SRIOV(bp))
3716                 return;
3717
3718         for_each_vf(bp, vf_idx) {
3719                 /* locate this VFs bulletin board and update the channel down
3720                  * bit
3721                  */
3722                 bulletin = BP_VF_BULLETIN(bp, vf_idx);
3723                 bulletin->valid_bitmap |= 1 << CHANNEL_DOWN;
3724
3725                 /* update vf bulletin board */
3726                 bnx2x_post_vf_bulletin(bp, vf_idx);
3727         }
3728 }