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 <linux/crc32.h>
  24
  25 /* General service functions */
  26 static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
  27                                          u16 pf_id)
  28 {
  29         REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
  30                 pf_id);
  31         REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
  32                 pf_id);
  33         REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
  34                 pf_id);
  35         REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
  36                 pf_id);
  37 }
  38
  39 static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
  40                                         u8 enable)
  41 {
  42         REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
  43                 enable);
  44         REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
  45                 enable);
  46         REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
  47                 enable);
  48         REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
  49                 enable);
  50 }
  51
  52 int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
  53 {
  54         int idx;
  55
  56         for_each_vf(bp, idx)
  57                 if (bnx2x_vf(bp, idx, abs_vfid) == abs_vfid)
  58                         break;
  59         return idx;
  60 }
  61
  62 static
  63 struct bnx2x_virtf *bnx2x_vf_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
  64 {
  65         u16 idx =  (u16)bnx2x_vf_idx_by_abs_fid(bp, abs_vfid);
  66         return (idx < BNX2X_NR_VIRTFN(bp)) ? BP_VF(bp, idx) : NULL;
  67 }
  68
  69 static void bnx2x_vf_igu_ack_sb(struct bnx2x *bp, struct bnx2x_virtf *vf,
  70                                 u8 igu_sb_id, u8 segment, u16 index, u8 op,
  71                                 u8 update)
  72 {
  73         /* acking a VF sb through the PF - use the GRC */
  74         u32 ctl;
  75         u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
  76         u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
  77         u32 func_encode = vf->abs_vfid;
  78         u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + igu_sb_id;
  79         struct igu_regular cmd_data = {0};
  80
  81         cmd_data.sb_id_and_flags =
  82                         ((index << IGU_REGULAR_SB_INDEX_SHIFT) |
  83                          (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) |
  84                          (update << IGU_REGULAR_BUPDATE_SHIFT) |
  85                          (op << IGU_REGULAR_ENABLE_INT_SHIFT));
  86
  87         ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT         |
  88               func_encode << IGU_CTRL_REG_FID_SHIFT             |
  89               IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
  90
  91         DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
  92            cmd_data.sb_id_and_flags, igu_addr_data);
  93         REG_WR(bp, igu_addr_data, cmd_data.sb_id_and_flags);
  94         mmiowb();
  95         barrier();
  96
  97         DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
  98            ctl, igu_addr_ctl);
  99         REG_WR(bp, igu_addr_ctl, ctl);
 100         mmiowb();
 101         barrier();
 102 }
 103 /* VFOP - VF slow-path operation support */
 104
 105 #define BNX2X_VFOP_FILTER_ADD_CNT_MAX           0x10000
 106
 107 /* VFOP operations states */
 108 enum bnx2x_vfop_qctor_state {
 109            BNX2X_VFOP_QCTOR_INIT,
 110            BNX2X_VFOP_QCTOR_SETUP,
 111            BNX2X_VFOP_QCTOR_INT_EN
 112 };
 113
 114 enum bnx2x_vfop_qdtor_state {
 115            BNX2X_VFOP_QDTOR_HALT,
 116            BNX2X_VFOP_QDTOR_TERMINATE,
 117            BNX2X_VFOP_QDTOR_CFCDEL,
 118            BNX2X_VFOP_QDTOR_DONE
 119 };
 120
 121 enum bnx2x_vfop_vlan_mac_state {
 122            BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE,
 123            BNX2X_VFOP_VLAN_MAC_CLEAR,
 124            BNX2X_VFOP_VLAN_MAC_CHK_DONE,
 125            BNX2X_VFOP_MAC_CONFIG_LIST,
 126            BNX2X_VFOP_VLAN_CONFIG_LIST,
 127            BNX2X_VFOP_VLAN_CONFIG_LIST_0
 128 };
 129
 130 enum bnx2x_vfop_qsetup_state {
 131            BNX2X_VFOP_QSETUP_CTOR,
 132            BNX2X_VFOP_QSETUP_VLAN0,
 133            BNX2X_VFOP_QSETUP_DONE
 134 };
 135
 136 enum bnx2x_vfop_mcast_state {
 137            BNX2X_VFOP_MCAST_DEL,
 138            BNX2X_VFOP_MCAST_ADD,
 139            BNX2X_VFOP_MCAST_CHK_DONE
 140 };
 141 enum bnx2x_vfop_qflr_state {
 142            BNX2X_VFOP_QFLR_CLR_VLAN,
 143            BNX2X_VFOP_QFLR_CLR_MAC,
 144            BNX2X_VFOP_QFLR_TERMINATE,
 145            BNX2X_VFOP_QFLR_DONE
 146 };
 147
 148 enum bnx2x_vfop_flr_state {
 149            BNX2X_VFOP_FLR_QUEUES,
 150            BNX2X_VFOP_FLR_HW
 151 };
 152
 153 enum bnx2x_vfop_close_state {
 154            BNX2X_VFOP_CLOSE_QUEUES,
 155            BNX2X_VFOP_CLOSE_HW
 156 };
 157
 158 enum bnx2x_vfop_rxmode_state {
 159            BNX2X_VFOP_RXMODE_CONFIG,
 160            BNX2X_VFOP_RXMODE_DONE
 161 };
 162
 163 enum bnx2x_vfop_qteardown_state {
 164            BNX2X_VFOP_QTEARDOWN_RXMODE,
 165            BNX2X_VFOP_QTEARDOWN_CLR_VLAN,
 166            BNX2X_VFOP_QTEARDOWN_CLR_MAC,
 167            BNX2X_VFOP_QTEARDOWN_QDTOR,
 168            BNX2X_VFOP_QTEARDOWN_DONE
 169 };
 170
 171 #define bnx2x_vfop_reset_wq(vf) atomic_set(&vf->op_in_progress, 0)
 172
 173 void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf,
 174                               struct bnx2x_queue_init_params *init_params,
 175                               struct bnx2x_queue_setup_params *setup_params,
 176                               u16 q_idx, u16 sb_idx)
 177 {
 178         DP(BNX2X_MSG_IOV,
 179            "VF[%d] Q_SETUP: txq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, flags=0x%lx, traffic-type=%d",
 180            vf->abs_vfid,
 181            q_idx,
 182            sb_idx,
 183            init_params->tx.sb_cq_index,
 184            init_params->tx.hc_rate,
 185            setup_params->flags,
 186            setup_params->txq_params.traffic_type);
 187 }
 188
 189 void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf,
 190                             struct bnx2x_queue_init_params *init_params,
 191                             struct bnx2x_queue_setup_params *setup_params,
 192                             u16 q_idx, u16 sb_idx)
 193 {
 194         struct bnx2x_rxq_setup_params *rxq_params = &setup_params->rxq_params;
 195
 196         DP(BNX2X_MSG_IOV, "VF[%d] Q_SETUP: rxq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, mtu=%d, buf-size=%d\n"
 197            "sge-size=%d, max_sge_pkt=%d, tpa-agg-size=%d, flags=0x%lx, drop-flags=0x%x, cache-log=%d\n",
 198            vf->abs_vfid,
 199            q_idx,
 200            sb_idx,
 201            init_params->rx.sb_cq_index,
 202            init_params->rx.hc_rate,
 203            setup_params->gen_params.mtu,
 204            rxq_params->buf_sz,
 205            rxq_params->sge_buf_sz,
 206            rxq_params->max_sges_pkt,
 207            rxq_params->tpa_agg_sz,
 208            setup_params->flags,
 209            rxq_params->drop_flags,
 210            rxq_params->cache_line_log);
 211 }
 212
 213 void bnx2x_vfop_qctor_prep(struct bnx2x *bp,
 214                            struct bnx2x_virtf *vf,
 215                            struct bnx2x_vf_queue *q,
 216                            struct bnx2x_vfop_qctor_params *p,
 217                            unsigned long q_type)
 218 {
 219         struct bnx2x_queue_init_params *init_p = &p->qstate.params.init;
 220         struct bnx2x_queue_setup_params *setup_p = &p->prep_qsetup;
 221
 222         /* INIT */
 223
 224         /* Enable host coalescing in the transition to INIT state */
 225         if (test_bit(BNX2X_Q_FLG_HC, &init_p->rx.flags))
 226                 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->rx.flags);
 227
 228         if (test_bit(BNX2X_Q_FLG_HC, &init_p->tx.flags))
 229                 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->tx.flags);
 230
 231         /* FW SB ID */
 232         init_p->rx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 233         init_p->tx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 234
 235         /* context */
 236         init_p->cxts[0] = q->cxt;
 237
 238         /* SETUP */
 239
 240         /* Setup-op general parameters */
 241         setup_p->gen_params.spcl_id = vf->sp_cl_id;
 242         setup_p->gen_params.stat_id = vfq_stat_id(vf, q);
 243
 244         /* Setup-op pause params:
 245          * Nothing to do, the pause thresholds are set by default to 0 which
 246          * effectively turns off the feature for this queue. We don't want
 247          * one queue (VF) to interfering with another queue (another VF)
 248          */
 249         if (vf->cfg_flags & VF_CFG_FW_FC)
 250                 BNX2X_ERR("No support for pause to VFs (abs_vfid: %d)\n",
 251                           vf->abs_vfid);
 252         /* Setup-op flags:
 253          * collect statistics, zero statistics, local-switching, security,
 254          * OV for Flex10, RSS and MCAST for leading
 255          */
 256         if (test_bit(BNX2X_Q_FLG_STATS, &setup_p->flags))
 257                 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &setup_p->flags);
 258
 259         /* for VFs, enable tx switching, bd coherency, and mac address
 260          * anti-spoofing
 261          */
 262         __set_bit(BNX2X_Q_FLG_TX_SWITCH, &setup_p->flags);
 263         __set_bit(BNX2X_Q_FLG_TX_SEC, &setup_p->flags);
 264         __set_bit(BNX2X_Q_FLG_ANTI_SPOOF, &setup_p->flags);
 265
 266         if (vfq_is_leading(q)) {
 267                 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &setup_p->flags);
 268                 __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags);
 269         }
 270
 271         /* Setup-op rx parameters */
 272         if (test_bit(BNX2X_Q_TYPE_HAS_RX, &q_type)) {
 273                 struct bnx2x_rxq_setup_params *rxq_p = &setup_p->rxq_params;
 274
 275                 rxq_p->cl_qzone_id = vfq_qzone_id(vf, q);
 276                 rxq_p->fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 277                 rxq_p->rss_engine_id = FW_VF_HANDLE(vf->abs_vfid);
 278
 279                 if (test_bit(BNX2X_Q_FLG_TPA, &setup_p->flags))
 280                         rxq_p->max_tpa_queues = BNX2X_VF_MAX_TPA_AGG_QUEUES;
 281         }
 282
 283         /* Setup-op tx parameters */
 284         if (test_bit(BNX2X_Q_TYPE_HAS_TX, &q_type)) {
 285                 setup_p->txq_params.tss_leading_cl_id = vf->leading_rss;
 286                 setup_p->txq_params.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 287         }
 288 }
 289
 290 /* VFOP queue construction */
 291 static void bnx2x_vfop_qctor(struct bnx2x *bp, struct bnx2x_virtf *vf)
 292 {
 293         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 294         struct bnx2x_vfop_args_qctor *args = &vfop->args.qctor;
 295         struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate;
 296         enum bnx2x_vfop_qctor_state state = vfop->state;
 297
 298         bnx2x_vfop_reset_wq(vf);
 299
 300         if (vfop->rc < 0)
 301                 goto op_err;
 302
 303         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 304
 305         switch (state) {
 306         case BNX2X_VFOP_QCTOR_INIT:
 307
 308                 /* has this queue already been opened? */
 309                 if (bnx2x_get_q_logical_state(bp, q_params->q_obj) ==
 310                     BNX2X_Q_LOGICAL_STATE_ACTIVE) {
 311                         DP(BNX2X_MSG_IOV,
 312                            "Entered qctor but queue was already up. Aborting gracefully\n");
 313                         goto op_done;
 314                 }
 315
 316                 /* next state */
 317                 vfop->state = BNX2X_VFOP_QCTOR_SETUP;
 318
 319                 q_params->cmd = BNX2X_Q_CMD_INIT;
 320                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 321
 322                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 323
 324         case BNX2X_VFOP_QCTOR_SETUP:
 325                 /* next state */
 326                 vfop->state = BNX2X_VFOP_QCTOR_INT_EN;
 327
 328                 /* copy pre-prepared setup params to the queue-state params */
 329                 vfop->op_p->qctor.qstate.params.setup =
 330                         vfop->op_p->qctor.prep_qsetup;
 331
 332                 q_params->cmd = BNX2X_Q_CMD_SETUP;
 333                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 334
 335                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 336
 337         case BNX2X_VFOP_QCTOR_INT_EN:
 338
 339                 /* enable interrupts */
 340                 bnx2x_vf_igu_ack_sb(bp, vf, vf_igu_sb(vf, args->sb_idx),
 341                                     USTORM_ID, 0, IGU_INT_ENABLE, 0);
 342                 goto op_done;
 343         default:
 344                 bnx2x_vfop_default(state);
 345         }
 346 op_err:
 347         BNX2X_ERR("QCTOR[%d:%d] error: cmd %d, rc %d\n",
 348                   vf->abs_vfid, args->qid, q_params->cmd, vfop->rc);
 349 op_done:
 350         bnx2x_vfop_end(bp, vf, vfop);
 351 op_pending:
 352         return;
 353 }
 354
 355 static int bnx2x_vfop_qctor_cmd(struct bnx2x *bp,
 356                                 struct bnx2x_virtf *vf,
 357                                 struct bnx2x_vfop_cmd *cmd,
 358                                 int qid)
 359 {
 360         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 361
 362         if (vfop) {
 363                 vf->op_params.qctor.qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj);
 364
 365                 vfop->args.qctor.qid = qid;
 366                 vfop->args.qctor.sb_idx = bnx2x_vfq(vf, qid, sb_idx);
 367
 368                 bnx2x_vfop_opset(BNX2X_VFOP_QCTOR_INIT,
 369                                  bnx2x_vfop_qctor, cmd->done);
 370                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qctor,
 371                                              cmd->block);
 372         }
 373         return -ENOMEM;
 374 }
 375
 376 /* VFOP queue destruction */
 377 static void bnx2x_vfop_qdtor(struct bnx2x *bp, struct bnx2x_virtf *vf)
 378 {
 379         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 380         struct bnx2x_vfop_args_qdtor *qdtor = &vfop->args.qdtor;
 381         struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate;
 382         enum bnx2x_vfop_qdtor_state state = vfop->state;
 383
 384         bnx2x_vfop_reset_wq(vf);
 385
 386         if (vfop->rc < 0)
 387                 goto op_err;
 388
 389         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 390
 391         switch (state) {
 392         case BNX2X_VFOP_QDTOR_HALT:
 393
 394                 /* has this queue already been stopped? */
 395                 if (bnx2x_get_q_logical_state(bp, q_params->q_obj) ==
 396                     BNX2X_Q_LOGICAL_STATE_STOPPED) {
 397                         DP(BNX2X_MSG_IOV,
 398                            "Entered qdtor but queue was already stopped. Aborting gracefully\n");
 399                         goto op_done;
 400                 }
 401
 402                 /* next state */
 403                 vfop->state = BNX2X_VFOP_QDTOR_TERMINATE;
 404
 405                 q_params->cmd = BNX2X_Q_CMD_HALT;
 406                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 407
 408                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 409
 410         case BNX2X_VFOP_QDTOR_TERMINATE:
 411                 /* next state */
 412                 vfop->state = BNX2X_VFOP_QDTOR_CFCDEL;
 413
 414                 q_params->cmd = BNX2X_Q_CMD_TERMINATE;
 415                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 416
 417                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 418
 419         case BNX2X_VFOP_QDTOR_CFCDEL:
 420                 /* next state */
 421                 vfop->state = BNX2X_VFOP_QDTOR_DONE;
 422
 423                 q_params->cmd = BNX2X_Q_CMD_CFC_DEL;
 424                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 425
 426                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 427 op_err:
 428         BNX2X_ERR("QDTOR[%d:%d] error: cmd %d, rc %d\n",
 429                   vf->abs_vfid, qdtor->qid, q_params->cmd, vfop->rc);
 430 op_done:
 431         case BNX2X_VFOP_QDTOR_DONE:
 432                 /* invalidate the context */
 433                 qdtor->cxt->ustorm_ag_context.cdu_usage = 0;
 434                 qdtor->cxt->xstorm_ag_context.cdu_reserved = 0;
 435                 bnx2x_vfop_end(bp, vf, vfop);
 436                 return;
 437         default:
 438                 bnx2x_vfop_default(state);
 439         }
 440 op_pending:
 441         return;
 442 }
 443
 444 static int bnx2x_vfop_qdtor_cmd(struct bnx2x *bp,
 445                                 struct bnx2x_virtf *vf,
 446                                 struct bnx2x_vfop_cmd *cmd,
 447                                 int qid)
 448 {
 449         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 450
 451         if (vfop) {
 452                 struct bnx2x_queue_state_params *qstate =
 453                         &vf->op_params.qctor.qstate;
 454
 455                 memset(qstate, 0, sizeof(*qstate));
 456                 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
 457
 458                 vfop->args.qdtor.qid = qid;
 459                 vfop->args.qdtor.cxt = bnx2x_vfq(vf, qid, cxt);
 460
 461                 bnx2x_vfop_opset(BNX2X_VFOP_QDTOR_HALT,
 462                                  bnx2x_vfop_qdtor, cmd->done);
 463                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdtor,
 464                                              cmd->block);
 465         }
 466         DP(BNX2X_MSG_IOV, "VF[%d] failed to add a vfop.\n", vf->abs_vfid);
 467         return -ENOMEM;
 468 }
 469
 470 static void
 471 bnx2x_vf_set_igu_info(struct bnx2x *bp, u8 igu_sb_id, u8 abs_vfid)
 472 {
 473         struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
 474         if (vf) {
 475                 if (!vf_sb_count(vf))
 476                         vf->igu_base_id = igu_sb_id;
 477                 ++vf_sb_count(vf);
 478         }
 479 }
 480
 481 /* VFOP MAC/VLAN helpers */
 482 static inline void bnx2x_vfop_credit(struct bnx2x *bp,
 483                                      struct bnx2x_vfop *vfop,
 484                                      struct bnx2x_vlan_mac_obj *obj)
 485 {
 486         struct bnx2x_vfop_args_filters *args = &vfop->args.filters;
 487
 488         /* update credit only if there is no error
 489          * and a valid credit counter
 490          */
 491         if (!vfop->rc && args->credit) {
 492                 int cnt = 0;
 493                 struct list_head *pos;
 494
 495                 list_for_each(pos, &obj->head)
 496                         cnt++;
 497
 498                 atomic_set(args->credit, cnt);
 499         }
 500 }
 501
 502 static int bnx2x_vfop_set_user_req(struct bnx2x *bp,
 503                                     struct bnx2x_vfop_filter *pos,
 504                                     struct bnx2x_vlan_mac_data *user_req)
 505 {
 506         user_req->cmd = pos->add ? BNX2X_VLAN_MAC_ADD :
 507                 BNX2X_VLAN_MAC_DEL;
 508
 509         switch (pos->type) {
 510         case BNX2X_VFOP_FILTER_MAC:
 511                 memcpy(user_req->u.mac.mac, pos->mac, ETH_ALEN);
 512                 break;
 513         case BNX2X_VFOP_FILTER_VLAN:
 514                 user_req->u.vlan.vlan = pos->vid;
 515                 break;
 516         default:
 517                 BNX2X_ERR("Invalid filter type, skipping\n");
 518                 return 1;
 519         }
 520         return 0;
 521 }
 522
 523 static int
 524 bnx2x_vfop_config_vlan0(struct bnx2x *bp,
 525                         struct bnx2x_vlan_mac_ramrod_params *vlan_mac,
 526                         bool add)
 527 {
 528         int rc;
 529
 530         vlan_mac->user_req.cmd = add ? BNX2X_VLAN_MAC_ADD :
 531                 BNX2X_VLAN_MAC_DEL;
 532         vlan_mac->user_req.u.vlan.vlan = 0;
 533
 534         rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 535         if (rc == -EEXIST)
 536                 rc = 0;
 537         return rc;
 538 }
 539
 540 static int bnx2x_vfop_config_list(struct bnx2x *bp,
 541                                   struct bnx2x_vfop_filters *filters,
 542                                   struct bnx2x_vlan_mac_ramrod_params *vlan_mac)
 543 {
 544         struct bnx2x_vfop_filter *pos, *tmp;
 545         struct list_head rollback_list, *filters_list = &filters->head;
 546         struct bnx2x_vlan_mac_data *user_req = &vlan_mac->user_req;
 547         int rc = 0, cnt = 0;
 548
 549         INIT_LIST_HEAD(&rollback_list);
 550
 551         list_for_each_entry_safe(pos, tmp, filters_list, link) {
 552                 if (bnx2x_vfop_set_user_req(bp, pos, user_req))
 553                         continue;
 554
 555                 rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 556                 if (rc >= 0) {
 557                         cnt += pos->add ? 1 : -1;
 558                         list_del(&pos->link);
 559                         list_add(&pos->link, &rollback_list);
 560                         rc = 0;
 561                 } else if (rc == -EEXIST) {
 562                         rc = 0;
 563                 } else {
 564                         BNX2X_ERR("Failed to add a new vlan_mac command\n");
 565                         break;
 566                 }
 567         }
 568
 569         /* rollback if error or too many rules added */
 570         if (rc || cnt > filters->add_cnt) {
 571                 BNX2X_ERR("error or too many rules added. Performing rollback\n");
 572                 list_for_each_entry_safe(pos, tmp, &rollback_list, link) {
 573                         pos->add = !pos->add;   /* reverse op */
 574                         bnx2x_vfop_set_user_req(bp, pos, user_req);
 575                         bnx2x_config_vlan_mac(bp, vlan_mac);
 576                         list_del(&pos->link);
 577                 }
 578                 cnt = 0;
 579                 if (!rc)
 580                         rc = -EINVAL;
 581         }
 582         filters->add_cnt = cnt;
 583         return rc;
 584 }
 585
 586 /* VFOP set VLAN/MAC */
 587 static void bnx2x_vfop_vlan_mac(struct bnx2x *bp, struct bnx2x_virtf *vf)
 588 {
 589         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 590         struct bnx2x_vlan_mac_ramrod_params *vlan_mac = &vfop->op_p->vlan_mac;
 591         struct bnx2x_vlan_mac_obj *obj = vlan_mac->vlan_mac_obj;
 592         struct bnx2x_vfop_filters *filters = vfop->args.filters.multi_filter;
 593
 594         enum bnx2x_vfop_vlan_mac_state state = vfop->state;
 595
 596         if (vfop->rc < 0)
 597                 goto op_err;
 598
 599         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 600
 601         bnx2x_vfop_reset_wq(vf);
 602
 603         switch (state) {
 604         case BNX2X_VFOP_VLAN_MAC_CLEAR:
 605                 /* next state */
 606                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 607
 608                 /* do delete */
 609                 vfop->rc = obj->delete_all(bp, obj,
 610                                            &vlan_mac->user_req.vlan_mac_flags,
 611                                            &vlan_mac->ramrod_flags);
 612
 613                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 614
 615         case BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE:
 616                 /* next state */
 617                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 618
 619                 /* do config */
 620                 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 621                 if (vfop->rc == -EEXIST)
 622                         vfop->rc = 0;
 623
 624                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 625
 626         case BNX2X_VFOP_VLAN_MAC_CHK_DONE:
 627                 vfop->rc = !!obj->raw.check_pending(&obj->raw);
 628                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 629
 630         case BNX2X_VFOP_MAC_CONFIG_LIST:
 631                 /* next state */
 632                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 633
 634                 /* do list config */
 635                 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
 636                 if (vfop->rc)
 637                         goto op_err;
 638
 639                 set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
 640                 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 641                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 642
 643         case BNX2X_VFOP_VLAN_CONFIG_LIST:
 644                 /* next state */
 645                 vfop->state = BNX2X_VFOP_VLAN_CONFIG_LIST_0;
 646
 647                 /* remove vlan0 - could be no-op */
 648                 vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, false);
 649                 if (vfop->rc)
 650                         goto op_err;
 651
 652                 /* Do vlan list config. if this operation fails we try to
 653                  * restore vlan0 to keep the queue is working order
 654                  */
 655                 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
 656                 if (!vfop->rc) {
 657                         set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
 658                         vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 659                 }
 660                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); /* fall-through */
 661
 662         case BNX2X_VFOP_VLAN_CONFIG_LIST_0:
 663                 /* next state */
 664                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 665
 666                 if (list_empty(&obj->head))
 667                         /* add vlan0 */
 668                         vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, true);
 669                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 670
 671         default:
 672                 bnx2x_vfop_default(state);
 673         }
 674 op_err:
 675         BNX2X_ERR("VLAN-MAC error: rc %d\n", vfop->rc);
 676 op_done:
 677         kfree(filters);
 678         bnx2x_vfop_credit(bp, vfop, obj);
 679         bnx2x_vfop_end(bp, vf, vfop);
 680 op_pending:
 681         return;
 682 }
 683
 684 struct bnx2x_vfop_vlan_mac_flags {
 685         bool drv_only;
 686         bool dont_consume;
 687         bool single_cmd;
 688         bool add;
 689 };
 690
 691 static void
 692 bnx2x_vfop_vlan_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
 693                                 struct bnx2x_vfop_vlan_mac_flags *flags)
 694 {
 695         struct bnx2x_vlan_mac_data *ureq = &ramrod->user_req;
 696
 697         memset(ramrod, 0, sizeof(*ramrod));
 698
 699         /* ramrod flags */
 700         if (flags->drv_only)
 701                 set_bit(RAMROD_DRV_CLR_ONLY, &ramrod->ramrod_flags);
 702         if (flags->single_cmd)
 703                 set_bit(RAMROD_EXEC, &ramrod->ramrod_flags);
 704
 705         /* mac_vlan flags */
 706         if (flags->dont_consume)
 707                 set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, &ureq->vlan_mac_flags);
 708
 709         /* cmd */
 710         ureq->cmd = flags->add ? BNX2X_VLAN_MAC_ADD : BNX2X_VLAN_MAC_DEL;
 711 }
 712
 713 static inline void
 714 bnx2x_vfop_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
 715                            struct bnx2x_vfop_vlan_mac_flags *flags)
 716 {
 717         bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, flags);
 718         set_bit(BNX2X_ETH_MAC, &ramrod->user_req.vlan_mac_flags);
 719 }
 720
 721 static int bnx2x_vfop_mac_delall_cmd(struct bnx2x *bp,
 722                                      struct bnx2x_virtf *vf,
 723                                      struct bnx2x_vfop_cmd *cmd,
 724                                      int qid, bool drv_only)
 725 {
 726         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 727
 728         if (vfop) {
 729                 struct bnx2x_vfop_args_filters filters = {
 730                         .multi_filter = NULL,   /* single */
 731                         .credit = NULL,         /* consume credit */
 732                 };
 733                 struct bnx2x_vfop_vlan_mac_flags flags = {
 734                         .drv_only = drv_only,
 735                         .dont_consume = (filters.credit != NULL),
 736                         .single_cmd = true,
 737                         .add = false /* don't care */,
 738                 };
 739                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 740                         &vf->op_params.vlan_mac;
 741
 742                 /* set ramrod params */
 743                 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
 744
 745                 /* set object */
 746                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
 747
 748                 /* set extra args */
 749                 vfop->args.filters = filters;
 750
 751                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
 752                                  bnx2x_vfop_vlan_mac, cmd->done);
 753                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 754                                              cmd->block);
 755         }
 756         return -ENOMEM;
 757 }
 758
 759 int bnx2x_vfop_mac_list_cmd(struct bnx2x *bp,
 760                             struct bnx2x_virtf *vf,
 761                             struct bnx2x_vfop_cmd *cmd,
 762                             struct bnx2x_vfop_filters *macs,
 763                             int qid, bool drv_only)
 764 {
 765         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 766
 767         if (vfop) {
 768                 struct bnx2x_vfop_args_filters filters = {
 769                         .multi_filter = macs,
 770                         .credit = NULL,         /* consume credit */
 771                 };
 772                 struct bnx2x_vfop_vlan_mac_flags flags = {
 773                         .drv_only = drv_only,
 774                         .dont_consume = (filters.credit != NULL),
 775                         .single_cmd = false,
 776                         .add = false, /* don't care since only the items in the
 777                                        * filters list affect the sp operation,
 778                                        * not the list itself
 779                                        */
 780                 };
 781                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 782                         &vf->op_params.vlan_mac;
 783
 784                 /* set ramrod params */
 785                 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
 786
 787                 /* set object */
 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
 809         if (vfop) {
 810                 struct bnx2x_vfop_args_filters filters = {
 811                         .multi_filter = NULL, /* single command */
 812                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 813                 };
 814                 struct bnx2x_vfop_vlan_mac_flags flags = {
 815                         .drv_only = false,
 816                         .dont_consume = (filters.credit != NULL),
 817                         .single_cmd = true,
 818                         .add = add,
 819                 };
 820                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 821                         &vf->op_params.vlan_mac;
 822
 823                 /* set ramrod params */
 824                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 825                 ramrod->user_req.u.vlan.vlan = vid;
 826
 827                 /* set object */
 828                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 829
 830                 /* set extra args */
 831                 vfop->args.filters = filters;
 832
 833                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE,
 834                                  bnx2x_vfop_vlan_mac, cmd->done);
 835                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 836                                              cmd->block);
 837         }
 838         return -ENOMEM;
 839 }
 840
 841 static int bnx2x_vfop_vlan_delall_cmd(struct bnx2x *bp,
 842                                struct bnx2x_virtf *vf,
 843                                struct bnx2x_vfop_cmd *cmd,
 844                                int qid, bool drv_only)
 845 {
 846         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 847
 848         if (vfop) {
 849                 struct bnx2x_vfop_args_filters filters = {
 850                         .multi_filter = NULL, /* single command */
 851                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 852                 };
 853                 struct bnx2x_vfop_vlan_mac_flags flags = {
 854                         .drv_only = drv_only,
 855                         .dont_consume = (filters.credit != NULL),
 856                         .single_cmd = true,
 857                         .add = false, /* don't care */
 858                 };
 859                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 860                         &vf->op_params.vlan_mac;
 861
 862                 /* set ramrod params */
 863                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 864
 865                 /* set object */
 866                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 867
 868                 /* set extra args */
 869                 vfop->args.filters = filters;
 870
 871                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
 872                                  bnx2x_vfop_vlan_mac, cmd->done);
 873                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 874                                              cmd->block);
 875         }
 876         return -ENOMEM;
 877 }
 878
 879 int bnx2x_vfop_vlan_list_cmd(struct bnx2x *bp,
 880                              struct bnx2x_virtf *vf,
 881                              struct bnx2x_vfop_cmd *cmd,
 882                              struct bnx2x_vfop_filters *vlans,
 883                              int qid, bool drv_only)
 884 {
 885         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 886
 887         if (vfop) {
 888                 struct bnx2x_vfop_args_filters filters = {
 889                         .multi_filter = vlans,
 890                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 891                 };
 892                 struct bnx2x_vfop_vlan_mac_flags flags = {
 893                         .drv_only = drv_only,
 894                         .dont_consume = (filters.credit != NULL),
 895                         .single_cmd = false,
 896                         .add = false, /* don't care */
 897                 };
 898                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 899                         &vf->op_params.vlan_mac;
 900
 901                 /* set ramrod params */
 902                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 903
 904                 /* set object */
 905                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 906
 907                 /* set extra args */
 908                 filters.multi_filter->add_cnt = vf_vlan_rules_cnt(vf) -
 909                         atomic_read(filters.credit);
 910
 911                 vfop->args.filters = filters;
 912
 913                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_CONFIG_LIST,
 914                                  bnx2x_vfop_vlan_mac, cmd->done);
 915                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 916                                              cmd->block);
 917         }
 918         return -ENOMEM;
 919 }
 920
 921 /* VFOP queue setup (queue constructor + set vlan 0) */
 922 static void bnx2x_vfop_qsetup(struct bnx2x *bp, struct bnx2x_virtf *vf)
 923 {
 924         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 925         int qid = vfop->args.qctor.qid;
 926         enum bnx2x_vfop_qsetup_state state = vfop->state;
 927         struct bnx2x_vfop_cmd cmd = {
 928                 .done = bnx2x_vfop_qsetup,
 929                 .block = false,
 930         };
 931
 932         if (vfop->rc < 0)
 933                 goto op_err;
 934
 935         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 936
 937         switch (state) {
 938         case BNX2X_VFOP_QSETUP_CTOR:
 939                 /* init the queue ctor command */
 940                 vfop->state = BNX2X_VFOP_QSETUP_VLAN0;
 941                 vfop->rc = bnx2x_vfop_qctor_cmd(bp, vf, &cmd, qid);
 942                 if (vfop->rc)
 943                         goto op_err;
 944                 return;
 945
 946         case BNX2X_VFOP_QSETUP_VLAN0:
 947                 /* skip if non-leading or FPGA/EMU*/
 948                 if (qid)
 949                         goto op_done;
 950
 951                 /* init the queue set-vlan command (for vlan 0) */
 952                 vfop->state = BNX2X_VFOP_QSETUP_DONE;
 953                 vfop->rc = bnx2x_vfop_vlan_set_cmd(bp, vf, &cmd, qid, 0, true);
 954                 if (vfop->rc)
 955                         goto op_err;
 956                 return;
 957 op_err:
 958         BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf->abs_vfid, qid, vfop->rc);
 959 op_done:
 960         case BNX2X_VFOP_QSETUP_DONE:
 961                 bnx2x_vfop_end(bp, vf, vfop);
 962                 return;
 963         default:
 964                 bnx2x_vfop_default(state);
 965         }
 966 }
 967
 968 int bnx2x_vfop_qsetup_cmd(struct bnx2x *bp,
 969                           struct bnx2x_virtf *vf,
 970                           struct bnx2x_vfop_cmd *cmd,
 971                           int qid)
 972 {
 973         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 974
 975         if (vfop) {
 976                 vfop->args.qctor.qid = qid;
 977
 978                 bnx2x_vfop_opset(BNX2X_VFOP_QSETUP_CTOR,
 979                                  bnx2x_vfop_qsetup, cmd->done);
 980                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qsetup,
 981                                              cmd->block);
 982         }
 983         return -ENOMEM;
 984 }
 985
 986 /* VFOP queue FLR handling (clear vlans, clear macs, queue destructor) */
 987 static void bnx2x_vfop_qflr(struct bnx2x *bp, struct bnx2x_virtf *vf)
 988 {
 989         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 990         int qid = vfop->args.qx.qid;
 991         enum bnx2x_vfop_qflr_state state = vfop->state;
 992         struct bnx2x_queue_state_params *qstate;
 993         struct bnx2x_vfop_cmd cmd;
 994
 995         bnx2x_vfop_reset_wq(vf);
 996
 997         if (vfop->rc < 0)
 998                 goto op_err;
 999
1000         DP(BNX2X_MSG_IOV, "VF[%d] STATE: %d\n", vf->abs_vfid, state);
1001
1002         cmd.done = bnx2x_vfop_qflr;
1003         cmd.block = false;
1004
1005         switch (state) {
1006         case BNX2X_VFOP_QFLR_CLR_VLAN:
1007                 /* vlan-clear-all: driver-only, don't consume credit */
1008                 vfop->state = BNX2X_VFOP_QFLR_CLR_MAC;
1009                 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, true);
1010                 if (vfop->rc)
1011                         goto op_err;
1012                 return;
1013
1014         case BNX2X_VFOP_QFLR_CLR_MAC:
1015                 /* mac-clear-all: driver only consume credit */
1016                 vfop->state = BNX2X_VFOP_QFLR_TERMINATE;
1017                 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, true);
1018                 DP(BNX2X_MSG_IOV,
1019                    "VF[%d] vfop->rc after bnx2x_vfop_mac_delall_cmd was %d",
1020                    vf->abs_vfid, vfop->rc);
1021                 if (vfop->rc)
1022                         goto op_err;
1023                 return;
1024
1025         case BNX2X_VFOP_QFLR_TERMINATE:
1026                 qstate = &vfop->op_p->qctor.qstate;
1027                 memset(qstate , 0, sizeof(*qstate));
1028                 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
1029                 vfop->state = BNX2X_VFOP_QFLR_DONE;
1030
1031                 DP(BNX2X_MSG_IOV, "VF[%d] qstate during flr was %d\n",
1032                    vf->abs_vfid, qstate->q_obj->state);
1033
1034                 if (qstate->q_obj->state != BNX2X_Q_STATE_RESET) {
1035                         qstate->q_obj->state = BNX2X_Q_STATE_STOPPED;
1036                         qstate->cmd = BNX2X_Q_CMD_TERMINATE;
1037                         vfop->rc = bnx2x_queue_state_change(bp, qstate);
1038                         bnx2x_vfop_finalize(vf, vfop->rc, VFOP_VERIFY_PEND);
1039                 } else {
1040                         goto op_done;
1041                 }
1042
1043 op_err:
1044         BNX2X_ERR("QFLR[%d:%d] error: rc %d\n",
1045                   vf->abs_vfid, qid, vfop->rc);
1046 op_done:
1047         case BNX2X_VFOP_QFLR_DONE:
1048                 bnx2x_vfop_end(bp, vf, vfop);
1049                 return;
1050         default:
1051                 bnx2x_vfop_default(state);
1052         }
1053 op_pending:
1054         return;
1055 }
1056
1057 static int bnx2x_vfop_qflr_cmd(struct bnx2x *bp,
1058                                struct bnx2x_virtf *vf,
1059                                struct bnx2x_vfop_cmd *cmd,
1060                                int qid)
1061 {
1062         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1063
1064         if (vfop) {
1065                 vfop->args.qx.qid = qid;
1066                 bnx2x_vfop_opset(BNX2X_VFOP_QFLR_CLR_VLAN,
1067                                  bnx2x_vfop_qflr, cmd->done);
1068                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qflr,
1069                                              cmd->block);
1070         }
1071         return -ENOMEM;
1072 }
1073
1074 /* VFOP multi-casts */
1075 static void bnx2x_vfop_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf)
1076 {
1077         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1078         struct bnx2x_mcast_ramrod_params *mcast = &vfop->op_p->mcast;
1079         struct bnx2x_raw_obj *raw = &mcast->mcast_obj->raw;
1080         struct bnx2x_vfop_args_mcast *args = &vfop->args.mc_list;
1081         enum bnx2x_vfop_mcast_state state = vfop->state;
1082         int i;
1083
1084         bnx2x_vfop_reset_wq(vf);
1085
1086         if (vfop->rc < 0)
1087                 goto op_err;
1088
1089         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1090
1091         switch (state) {
1092         case BNX2X_VFOP_MCAST_DEL:
1093                 /* clear existing mcasts */
1094                 vfop->state = BNX2X_VFOP_MCAST_ADD;
1095                 vfop->rc = bnx2x_config_mcast(bp, mcast, BNX2X_MCAST_CMD_DEL);
1096                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1097
1098         case BNX2X_VFOP_MCAST_ADD:
1099                 if (raw->check_pending(raw))
1100                         goto op_pending;
1101
1102                 if (args->mc_num) {
1103                         /* update mcast list on the ramrod params */
1104                         INIT_LIST_HEAD(&mcast->mcast_list);
1105                         for (i = 0; i < args->mc_num; i++)
1106                                 list_add_tail(&(args->mc[i].link),
1107                                               &mcast->mcast_list);
1108                         /* add new mcasts */
1109                         vfop->state = BNX2X_VFOP_MCAST_CHK_DONE;
1110                         vfop->rc = bnx2x_config_mcast(bp, mcast,
1111                                                       BNX2X_MCAST_CMD_ADD);
1112                 }
1113                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1114
1115         case BNX2X_VFOP_MCAST_CHK_DONE:
1116                 vfop->rc = raw->check_pending(raw) ? 1 : 0;
1117                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1118         default:
1119                 bnx2x_vfop_default(state);
1120         }
1121 op_err:
1122         BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop->rc);
1123 op_done:
1124         kfree(args->mc);
1125         bnx2x_vfop_end(bp, vf, vfop);
1126 op_pending:
1127         return;
1128 }
1129
1130 int bnx2x_vfop_mcast_cmd(struct bnx2x *bp,
1131                          struct bnx2x_virtf *vf,
1132                          struct bnx2x_vfop_cmd *cmd,
1133                          bnx2x_mac_addr_t *mcasts,
1134                          int mcast_num, bool drv_only)
1135 {
1136         struct bnx2x_vfop *vfop = NULL;
1137         size_t mc_sz = mcast_num * sizeof(struct bnx2x_mcast_list_elem);
1138         struct bnx2x_mcast_list_elem *mc = mc_sz ? kzalloc(mc_sz, GFP_KERNEL) :
1139                                            NULL;
1140
1141         if (!mc_sz || mc) {
1142                 vfop = bnx2x_vfop_add(bp, vf);
1143                 if (vfop) {
1144                         int i;
1145                         struct bnx2x_mcast_ramrod_params *ramrod =
1146                                 &vf->op_params.mcast;
1147
1148                         /* set ramrod params */
1149                         memset(ramrod, 0, sizeof(*ramrod));
1150                         ramrod->mcast_obj = &vf->mcast_obj;
1151                         if (drv_only)
1152                                 set_bit(RAMROD_DRV_CLR_ONLY,
1153                                         &ramrod->ramrod_flags);
1154
1155                         /* copy mcasts pointers */
1156                         vfop->args.mc_list.mc_num = mcast_num;
1157                         vfop->args.mc_list.mc = mc;
1158                         for (i = 0; i < mcast_num; i++)
1159                                 mc[i].mac = mcasts[i];
1160
1161                         bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL,
1162                                          bnx2x_vfop_mcast, cmd->done);
1163                         return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mcast,
1164                                                      cmd->block);
1165                 } else {
1166                         kfree(mc);
1167                 }
1168         }
1169         return -ENOMEM;
1170 }
1171
1172 /* VFOP rx-mode */
1173 static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf)
1174 {
1175         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1176         struct bnx2x_rx_mode_ramrod_params *ramrod = &vfop->op_p->rx_mode;
1177         enum bnx2x_vfop_rxmode_state state = vfop->state;
1178
1179         bnx2x_vfop_reset_wq(vf);
1180
1181         if (vfop->rc < 0)
1182                 goto op_err;
1183
1184         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1185
1186         switch (state) {
1187         case BNX2X_VFOP_RXMODE_CONFIG:
1188                 /* next state */
1189                 vfop->state = BNX2X_VFOP_RXMODE_DONE;
1190
1191                 vfop->rc = bnx2x_config_rx_mode(bp, ramrod);
1192                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1193 op_err:
1194                 BNX2X_ERR("RXMODE error: rc %d\n", vfop->rc);
1195 op_done:
1196         case BNX2X_VFOP_RXMODE_DONE:
1197                 bnx2x_vfop_end(bp, vf, vfop);
1198                 return;
1199         default:
1200                 bnx2x_vfop_default(state);
1201         }
1202 op_pending:
1203         return;
1204 }
1205
1206 int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp,
1207                           struct bnx2x_virtf *vf,
1208                           struct bnx2x_vfop_cmd *cmd,
1209                           int qid, unsigned long accept_flags)
1210 {
1211         struct bnx2x_vf_queue *vfq = vfq_get(vf, qid);
1212         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1213
1214         if (vfop) {
1215                 struct bnx2x_rx_mode_ramrod_params *ramrod =
1216                         &vf->op_params.rx_mode;
1217
1218                 memset(ramrod, 0, sizeof(*ramrod));
1219
1220                 /* Prepare ramrod parameters */
1221                 ramrod->cid = vfq->cid;
1222                 ramrod->cl_id = vfq_cl_id(vf, vfq);
1223                 ramrod->rx_mode_obj = &bp->rx_mode_obj;
1224                 ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid);
1225
1226                 ramrod->rx_accept_flags = accept_flags;
1227                 ramrod->tx_accept_flags = accept_flags;
1228                 ramrod->pstate = &vf->filter_state;
1229                 ramrod->state = BNX2X_FILTER_RX_MODE_PENDING;
1230
1231                 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
1232                 set_bit(RAMROD_RX, &ramrod->ramrod_flags);
1233                 set_bit(RAMROD_TX, &ramrod->ramrod_flags);
1234
1235                 ramrod->rdata =
1236                         bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2);
1237                 ramrod->rdata_mapping =
1238                         bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2);
1239
1240                 bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG,
1241                                  bnx2x_vfop_rxmode, cmd->done);
1242                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rxmode,
1243                                              cmd->block);
1244         }
1245         return -ENOMEM;
1246 }
1247
1248 /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs,
1249  * queue destructor)
1250  */
1251 static void bnx2x_vfop_qdown(struct bnx2x *bp, struct bnx2x_virtf *vf)
1252 {
1253         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1254         int qid = vfop->args.qx.qid;
1255         enum bnx2x_vfop_qteardown_state state = vfop->state;
1256         struct bnx2x_vfop_cmd cmd;
1257
1258         if (vfop->rc < 0)
1259                 goto op_err;
1260
1261         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1262
1263         cmd.done = bnx2x_vfop_qdown;
1264         cmd.block = false;
1265
1266         switch (state) {
1267         case BNX2X_VFOP_QTEARDOWN_RXMODE:
1268                 /* Drop all */
1269                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_VLAN;
1270                 vfop->rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, qid, 0);
1271                 if (vfop->rc)
1272                         goto op_err;
1273                 return;
1274
1275         case BNX2X_VFOP_QTEARDOWN_CLR_VLAN:
1276                 /* vlan-clear-all: don't consume credit */
1277                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MAC;
1278                 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, false);
1279                 if (vfop->rc)
1280                         goto op_err;
1281                 return;
1282
1283         case BNX2X_VFOP_QTEARDOWN_CLR_MAC:
1284                 /* mac-clear-all: consume credit */
1285                 vfop->state = BNX2X_VFOP_QTEARDOWN_QDTOR;
1286                 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, false);
1287                 if (vfop->rc)
1288                         goto op_err;
1289                 return;
1290
1291         case BNX2X_VFOP_QTEARDOWN_QDTOR:
1292                 /* run the queue destruction flow */
1293                 DP(BNX2X_MSG_IOV, "case: BNX2X_VFOP_QTEARDOWN_QDTOR\n");
1294                 vfop->state = BNX2X_VFOP_QTEARDOWN_DONE;
1295                 DP(BNX2X_MSG_IOV, "new state: BNX2X_VFOP_QTEARDOWN_DONE\n");
1296                 vfop->rc = bnx2x_vfop_qdtor_cmd(bp, vf, &cmd, qid);
1297                 DP(BNX2X_MSG_IOV, "returned from cmd\n");
1298                 if (vfop->rc)
1299                         goto op_err;
1300                 return;
1301 op_err:
1302         BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n",
1303                   vf->abs_vfid, qid, vfop->rc);
1304
1305         case BNX2X_VFOP_QTEARDOWN_DONE:
1306                 bnx2x_vfop_end(bp, vf, vfop);
1307                 return;
1308         default:
1309                 bnx2x_vfop_default(state);
1310         }
1311 }
1312
1313 int bnx2x_vfop_qdown_cmd(struct bnx2x *bp,
1314                          struct bnx2x_virtf *vf,
1315                          struct bnx2x_vfop_cmd *cmd,
1316                          int qid)
1317 {
1318         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1319
1320         if (vfop) {
1321                 vfop->args.qx.qid = qid;
1322                 bnx2x_vfop_opset(BNX2X_VFOP_QTEARDOWN_RXMODE,
1323                                  bnx2x_vfop_qdown, cmd->done);
1324                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdown,
1325                                              cmd->block);
1326         }
1327
1328         return -ENOMEM;
1329 }
1330
1331 /* VF enable primitives
1332  * when pretend is required the caller is responsible
1333  * for calling pretend prior to calling these routines
1334  */
1335
1336 /* internal vf enable - until vf is enabled internally all transactions
1337  * are blocked. this routine should always be called last with pretend.
1338  */
1339 static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable)
1340 {
1341         REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0);
1342 }
1343
1344 /* clears vf error in all semi blocks */
1345 static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid)
1346 {
1347         REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid);
1348         REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid);
1349         REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid);
1350         REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid);
1351 }
1352
1353 static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid)
1354 {
1355         u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5;
1356         u32 was_err_reg = 0;
1357
1358         switch (was_err_group) {
1359         case 0:
1360             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR;
1361             break;
1362         case 1:
1363             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR;
1364             break;
1365         case 2:
1366             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR;
1367             break;
1368         case 3:
1369             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR;
1370             break;
1371         }
1372         REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f));
1373 }
1374
1375 static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf)
1376 {
1377         int i;
1378         u32 val;
1379
1380         /* Set VF masks and configuration - pretend */
1381         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1382
1383         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
1384         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
1385         REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
1386         REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
1387         REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
1388         REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
1389
1390         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
1391         val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN);
1392         if (vf->cfg_flags & VF_CFG_INT_SIMD)
1393                 val |= IGU_VF_CONF_SINGLE_ISR_EN;
1394         val &= ~IGU_VF_CONF_PARENT_MASK;
1395         val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */
1396         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
1397
1398         DP(BNX2X_MSG_IOV,
1399            "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n",
1400            vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION));
1401
1402         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1403
1404         /* iterate over all queues, clear sb consumer */
1405         for (i = 0; i < vf_sb_count(vf); i++) {
1406                 u8 igu_sb_id = vf_igu_sb(vf, i);
1407
1408                 /* zero prod memory */
1409                 REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0);
1410
1411                 /* clear sb state machine */
1412                 bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id,
1413                                        false /* VF */);
1414
1415                 /* disable + update */
1416                 bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0,
1417                                     IGU_INT_DISABLE, 1);
1418         }
1419 }
1420
1421 void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid)
1422 {
1423         /* set the VF-PF association in the FW */
1424         storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp));
1425         storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1);
1426
1427         /* clear vf errors*/
1428         bnx2x_vf_semi_clear_err(bp, abs_vfid);
1429         bnx2x_vf_pglue_clear_err(bp, abs_vfid);
1430
1431         /* internal vf-enable - pretend */
1432         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid));
1433         DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid);
1434         bnx2x_vf_enable_internal(bp, true);
1435         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1436 }
1437
1438 static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf)
1439 {
1440         /* Reset vf in IGU  interrupts are still disabled */
1441         bnx2x_vf_igu_reset(bp, vf);
1442
1443         /* pretend to enable the vf with the PBF */
1444         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1445         REG_WR(bp, PBF_REG_DISABLE_VF, 0);
1446         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1447 }
1448
1449 static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid)
1450 {
1451         struct pci_dev *dev;
1452         struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
1453
1454         if (!vf)
1455                 goto unknown_dev;
1456
1457         dev = pci_get_bus_and_slot(vf->bus, vf->devfn);
1458         if (dev)
1459                 return bnx2x_is_pcie_pending(dev);
1460
1461 unknown_dev:
1462         BNX2X_ERR("Unknown device\n");
1463         return false;
1464 }
1465
1466 int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid)
1467 {
1468         /* Wait 100ms */
1469         msleep(100);
1470
1471         /* Verify no pending pci transactions */
1472         if (bnx2x_vf_is_pcie_pending(bp, abs_vfid))
1473                 BNX2X_ERR("PCIE Transactions still pending\n");
1474
1475         return 0;
1476 }
1477
1478 /* must be called after the number of PF queues and the number of VFs are
1479  * both known
1480  */
1481 static void
1482 bnx2x_iov_static_resc(struct bnx2x *bp, struct vf_pf_resc_request *resc)
1483 {
1484         u16 vlan_count = 0;
1485
1486         /* will be set only during VF-ACQUIRE */
1487         resc->num_rxqs = 0;
1488         resc->num_txqs = 0;
1489
1490         /* no credit calculcis for macs (just yet) */
1491         resc->num_mac_filters = 1;
1492
1493         /* divvy up vlan rules */
1494         vlan_count = bp->vlans_pool.check(&bp->vlans_pool);
1495         vlan_count = 1 << ilog2(vlan_count);
1496         resc->num_vlan_filters = vlan_count / BNX2X_NR_VIRTFN(bp);
1497
1498         /* no real limitation */
1499         resc->num_mc_filters = 0;
1500
1501         /* num_sbs already set */
1502 }
1503
1504 /* FLR routines: */
1505 static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1506 {
1507         /* reset the state variables */
1508         bnx2x_iov_static_resc(bp, &vf->alloc_resc);
1509         vf->state = VF_FREE;
1510 }
1511
1512 static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf)
1513 {
1514         u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1515
1516         /* DQ usage counter */
1517         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1518         bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT,
1519                                         "DQ VF usage counter timed out",
1520                                         poll_cnt);
1521         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1522
1523         /* FW cleanup command - poll for the results */
1524         if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid),
1525                                    poll_cnt))
1526                 BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid);
1527
1528         /* verify TX hw is flushed */
1529         bnx2x_tx_hw_flushed(bp, poll_cnt);
1530 }
1531
1532 static void bnx2x_vfop_flr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1533 {
1534         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1535         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
1536         enum bnx2x_vfop_flr_state state = vfop->state;
1537         struct bnx2x_vfop_cmd cmd = {
1538                 .done = bnx2x_vfop_flr,
1539                 .block = false,
1540         };
1541
1542         if (vfop->rc < 0)
1543                 goto op_err;
1544
1545         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1546
1547         switch (state) {
1548         case BNX2X_VFOP_FLR_QUEUES:
1549                 /* the cleanup operations are valid if and only if the VF
1550                  * was first acquired.
1551                  */
1552                 if (++(qx->qid) < vf_rxq_count(vf)) {
1553                         vfop->rc = bnx2x_vfop_qflr_cmd(bp, vf, &cmd,
1554                                                        qx->qid);
1555                         if (vfop->rc)
1556                                 goto op_err;
1557                         return;
1558                 }
1559                 /* remove multicasts */
1560                 vfop->state = BNX2X_VFOP_FLR_HW;
1561                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL,
1562                                                 0, true);
1563                 if (vfop->rc)
1564                         goto op_err;
1565                 return;
1566         case BNX2X_VFOP_FLR_HW:
1567
1568                 /* dispatch final cleanup and wait for HW queues to flush */
1569                 bnx2x_vf_flr_clnup_hw(bp, vf);
1570
1571                 /* release VF resources */
1572                 bnx2x_vf_free_resc(bp, vf);
1573
1574                 /* re-open the mailbox */
1575                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
1576
1577                 goto op_done;
1578         default:
1579                 bnx2x_vfop_default(state);
1580         }
1581 op_err:
1582         BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf->abs_vfid, vfop->rc);
1583 op_done:
1584         vf->flr_clnup_stage = VF_FLR_ACK;
1585         bnx2x_vfop_end(bp, vf, vfop);
1586         bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1587 }
1588
1589 static int bnx2x_vfop_flr_cmd(struct bnx2x *bp,
1590                               struct bnx2x_virtf *vf,
1591                               vfop_handler_t done)
1592 {
1593         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1594         if (vfop) {
1595                 vfop->args.qx.qid = -1; /* loop */
1596                 bnx2x_vfop_opset(BNX2X_VFOP_FLR_QUEUES,
1597                                  bnx2x_vfop_flr, done);
1598                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_flr, false);
1599         }
1600         return -ENOMEM;
1601 }
1602
1603 static void bnx2x_vf_flr_clnup(struct bnx2x *bp, struct bnx2x_virtf *prev_vf)
1604 {
1605         int i = prev_vf ? prev_vf->index + 1 : 0;
1606         struct bnx2x_virtf *vf;
1607
1608         /* find next VF to cleanup */
1609 next_vf_to_clean:
1610         for (;
1611              i < BNX2X_NR_VIRTFN(bp) &&
1612              (bnx2x_vf(bp, i, state) != VF_RESET ||
1613               bnx2x_vf(bp, i, flr_clnup_stage) != VF_FLR_CLN);
1614              i++)
1615                 ;
1616
1617         DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. num of vfs: %d\n", i,
1618            BNX2X_NR_VIRTFN(bp));
1619
1620         if (i < BNX2X_NR_VIRTFN(bp)) {
1621                 vf = BP_VF(bp, i);
1622
1623                 /* lock the vf pf channel */
1624                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1625
1626                 /* invoke the VF FLR SM */
1627                 if (bnx2x_vfop_flr_cmd(bp, vf, bnx2x_vf_flr_clnup)) {
1628                         BNX2X_ERR("VF[%d]: FLR cleanup failed -ENOMEM\n",
1629                                   vf->abs_vfid);
1630
1631                         /* mark the VF to be ACKED and continue */
1632                         vf->flr_clnup_stage = VF_FLR_ACK;
1633                         goto next_vf_to_clean;
1634                 }
1635                 return;
1636         }
1637
1638         /* we are done, update vf records */
1639         for_each_vf(bp, i) {
1640                 vf = BP_VF(bp, i);
1641
1642                 if (vf->flr_clnup_stage != VF_FLR_ACK)
1643                         continue;
1644
1645                 vf->flr_clnup_stage = VF_FLR_EPILOG;
1646         }
1647
1648         /* Acknowledge the handled VFs.
1649          * we are acknowledge all the vfs which an flr was requested for, even
1650          * if amongst them there are such that we never opened, since the mcp
1651          * will interrupt us immediately again if we only ack some of the bits,
1652          * resulting in an endless loop. This can happen for example in KVM
1653          * where an 'all ones' flr request is sometimes given by hyper visor
1654          */
1655         DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n",
1656            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1657         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1658                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i],
1659                           bp->vfdb->flrd_vfs[i]);
1660
1661         bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0);
1662
1663         /* clear the acked bits - better yet if the MCP implemented
1664          * write to clear semantics
1665          */
1666         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1667                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0);
1668 }
1669
1670 void bnx2x_vf_handle_flr_event(struct bnx2x *bp)
1671 {
1672         int i;
1673
1674         /* Read FLR'd VFs */
1675         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1676                 bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]);
1677
1678         DP(BNX2X_MSG_MCP,
1679            "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n",
1680            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1681
1682         for_each_vf(bp, i) {
1683                 struct bnx2x_virtf *vf = BP_VF(bp, i);
1684                 u32 reset = 0;
1685
1686                 if (vf->abs_vfid < 32)
1687                         reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid);
1688                 else
1689                         reset = bp->vfdb->flrd_vfs[1] &
1690                                 (1 << (vf->abs_vfid - 32));
1691
1692                 if (reset) {
1693                         /* set as reset and ready for cleanup */
1694                         vf->state = VF_RESET;
1695                         vf->flr_clnup_stage = VF_FLR_CLN;
1696
1697                         DP(BNX2X_MSG_IOV,
1698                            "Initiating Final cleanup for VF %d\n",
1699                            vf->abs_vfid);
1700                 }
1701         }
1702
1703         /* do the FLR cleanup for all marked VFs*/
1704         bnx2x_vf_flr_clnup(bp, NULL);
1705 }
1706
1707 /* IOV global initialization routines  */
1708 void bnx2x_iov_init_dq(struct bnx2x *bp)
1709 {
1710         if (!IS_SRIOV(bp))
1711                 return;
1712
1713         /* Set the DQ such that the CID reflect the abs_vfid */
1714         REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0);
1715         REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS));
1716
1717         /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to
1718          * the PF L2 queues
1719          */
1720         REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID);
1721
1722         /* The VF window size is the log2 of the max number of CIDs per VF */
1723         REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND);
1724
1725         /* The VF doorbell size  0 - *B, 4 - 128B. We set it here to match
1726          * the Pf doorbell size although the 2 are independent.
1727          */
1728         REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST,
1729                BNX2X_DB_SHIFT - BNX2X_DB_MIN_SHIFT);
1730
1731         /* No security checks for now -
1732          * configure single rule (out of 16) mask = 0x1, value = 0x0,
1733          * CID range 0 - 0x1ffff
1734          */
1735         REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1);
1736         REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0);
1737         REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0);
1738         REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff);
1739
1740         /* set the number of VF alllowed doorbells to the full DQ range */
1741         REG_WR(bp, DORQ_REG_VF_NORM_MAX_CID_COUNT, 0x20000);
1742
1743         /* set the VF doorbell threshold */
1744         REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4);
1745 }
1746
1747 void bnx2x_iov_init_dmae(struct bnx2x *bp)
1748 {
1749         DP(BNX2X_MSG_IOV, "SRIOV is %s\n", IS_SRIOV(bp) ? "ON" : "OFF");
1750         if (!IS_SRIOV(bp))
1751                 return;
1752
1753         REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
1754 }
1755
1756 static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
1757 {
1758         struct pci_dev *dev = bp->pdev;
1759         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1760
1761         return dev->bus->number + ((dev->devfn + iov->offset +
1762                                     iov->stride * vfid) >> 8);
1763 }
1764
1765 static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid)
1766 {
1767         struct pci_dev *dev = bp->pdev;
1768         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1769
1770         return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff;
1771 }
1772
1773 static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf)
1774 {
1775         int i, n;
1776         struct pci_dev *dev = bp->pdev;
1777         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1778
1779         for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) {
1780                 u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i);
1781                 u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i);
1782
1783                 size /= iov->total;
1784                 vf->bars[n].bar = start + size * vf->abs_vfid;
1785                 vf->bars[n].size = size;
1786         }
1787 }
1788
1789 static int bnx2x_ari_enabled(struct pci_dev *dev)
1790 {
1791         return dev->bus->self && dev->bus->self->ari_enabled;
1792 }
1793
1794 static void
1795 bnx2x_get_vf_igu_cam_info(struct bnx2x *bp)
1796 {
1797         int sb_id;
1798         u32 val;
1799         u8 fid;
1800
1801         /* IGU in normal mode - read CAM */
1802         for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) {
1803                 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4);
1804                 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
1805                         continue;
1806                 fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID);
1807                 if (!(fid & IGU_FID_ENCODE_IS_PF))
1808                         bnx2x_vf_set_igu_info(bp, sb_id,
1809                                               (fid & IGU_FID_VF_NUM_MASK));
1810
1811                 DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n",
1812                    ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"),
1813                    ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) :
1814                    (fid & IGU_FID_VF_NUM_MASK)), sb_id,
1815                    GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR));
1816         }
1817 }
1818
1819 static void __bnx2x_iov_free_vfdb(struct bnx2x *bp)
1820 {
1821         if (bp->vfdb) {
1822                 kfree(bp->vfdb->vfqs);
1823                 kfree(bp->vfdb->vfs);
1824                 kfree(bp->vfdb);
1825         }
1826         bp->vfdb = NULL;
1827 }
1828
1829 static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1830 {
1831         int pos;
1832         struct pci_dev *dev = bp->pdev;
1833
1834         pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
1835         if (!pos) {
1836                 BNX2X_ERR("failed to find SRIOV capability in device\n");
1837                 return -ENODEV;
1838         }
1839
1840         iov->pos = pos;
1841         DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos);
1842         pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
1843         pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total);
1844         pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial);
1845         pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
1846         pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
1847         pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
1848         pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap);
1849         pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
1850
1851         return 0;
1852 }
1853
1854 static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1855 {
1856         u32 val;
1857
1858         /* read the SRIOV capability structure
1859          * The fields can be read via configuration read or
1860          * directly from the device (starting at offset PCICFG_OFFSET)
1861          */
1862         if (bnx2x_sriov_pci_cfg_info(bp, iov))
1863                 return -ENODEV;
1864
1865         /* get the number of SRIOV bars */
1866         iov->nres = 0;
1867
1868         /* read the first_vfid */
1869         val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF);
1870         iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK)
1871                                * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp));
1872
1873         DP(BNX2X_MSG_IOV,
1874            "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",
1875            BP_FUNC(bp),
1876            iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total,
1877            iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
1878
1879         return 0;
1880 }
1881
1882 static u8 bnx2x_iov_get_max_queue_count(struct bnx2x *bp)
1883 {
1884         int i;
1885         u8 queue_count = 0;
1886
1887         if (IS_SRIOV(bp))
1888                 for_each_vf(bp, i)
1889                         queue_count += bnx2x_vf(bp, i, alloc_resc.num_sbs);
1890
1891         return queue_count;
1892 }
1893
1894 /* must be called after PF bars are mapped */
1895 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
1896                         int num_vfs_param)
1897 {
1898         int err, i, qcount;
1899         struct bnx2x_sriov *iov;
1900         struct pci_dev *dev = bp->pdev;
1901
1902         bp->vfdb = NULL;
1903
1904         /* verify is pf */
1905         if (IS_VF(bp))
1906                 return 0;
1907
1908         /* verify sriov capability is present in configuration space */
1909         if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV))
1910                 return 0;
1911
1912         /* verify chip revision */
1913         if (CHIP_IS_E1x(bp))
1914                 return 0;
1915
1916         /* check if SRIOV support is turned off */
1917         if (!num_vfs_param)
1918                 return 0;
1919
1920         /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */
1921         if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) {
1922                 BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n",
1923                           BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID);
1924                 return 0;
1925         }
1926
1927         /* SRIOV can be enabled only with MSIX */
1928         if (int_mode_param == BNX2X_INT_MODE_MSI ||
1929             int_mode_param == BNX2X_INT_MODE_INTX)
1930                 BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n");
1931
1932         err = -EIO;
1933         /* verify ari is enabled */
1934         if (!bnx2x_ari_enabled(bp->pdev)) {
1935                 BNX2X_ERR("ARI not supported, SRIOV can not be enabled\n");
1936                 return err;
1937         }
1938
1939         /* verify igu is in normal mode */
1940         if (CHIP_INT_MODE_IS_BC(bp)) {
1941                 BNX2X_ERR("IGU not normal mode,  SRIOV can not be enabled\n");
1942                 return err;
1943         }
1944
1945         /* allocate the vfs database */
1946         bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL);
1947         if (!bp->vfdb) {
1948                 BNX2X_ERR("failed to allocate vf database\n");
1949                 err = -ENOMEM;
1950                 goto failed;
1951         }
1952
1953         /* get the sriov info - Linux already collected all the pertinent
1954          * information, however the sriov structure is for the private use
1955          * of the pci module. Also we want this information regardless
1956          * of the hyper-visor.
1957          */
1958         iov = &(bp->vfdb->sriov);
1959         err = bnx2x_sriov_info(bp, iov);
1960         if (err)
1961                 goto failed;
1962
1963         /* SR-IOV capability was enabled but there are no VFs*/
1964         if (iov->total == 0)
1965                 goto failed;
1966
1967         /* calculate the actual number of VFs */
1968         iov->nr_virtfn = min_t(u16, iov->total, (u16)num_vfs_param);
1969
1970         /* allocate the vf array */
1971         bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) *
1972                                 BNX2X_NR_VIRTFN(bp), GFP_KERNEL);
1973         if (!bp->vfdb->vfs) {
1974                 BNX2X_ERR("failed to allocate vf array\n");
1975                 err = -ENOMEM;
1976                 goto failed;
1977         }
1978
1979         /* Initial VF init - index and abs_vfid - nr_virtfn must be set */
1980         for_each_vf(bp, i) {
1981                 bnx2x_vf(bp, i, index) = i;
1982                 bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i;
1983                 bnx2x_vf(bp, i, state) = VF_FREE;
1984                 INIT_LIST_HEAD(&bnx2x_vf(bp, i, op_list_head));
1985                 mutex_init(&bnx2x_vf(bp, i, op_mutex));
1986                 bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE;
1987         }
1988
1989         /* re-read the IGU CAM for VFs - index and abs_vfid must be set */
1990         bnx2x_get_vf_igu_cam_info(bp);
1991
1992         /* get the total queue count and allocate the global queue arrays */
1993         qcount = bnx2x_iov_get_max_queue_count(bp);
1994
1995         /* allocate the queue arrays for all VFs */
1996         bp->vfdb->vfqs = kzalloc(qcount * sizeof(struct bnx2x_vf_queue),
1997                                  GFP_KERNEL);
1998         if (!bp->vfdb->vfqs) {
1999                 BNX2X_ERR("failed to allocate vf queue array\n");
2000                 err = -ENOMEM;
2001                 goto failed;
2002         }
2003
2004         return 0;
2005 failed:
2006         DP(BNX2X_MSG_IOV, "Failed err=%d\n", err);
2007         __bnx2x_iov_free_vfdb(bp);
2008         return err;
2009 }
2010
2011 void bnx2x_iov_remove_one(struct bnx2x *bp)
2012 {
2013         /* if SRIOV is not enabled there's nothing to do */
2014         if (!IS_SRIOV(bp))
2015                 return;
2016
2017         DP(BNX2X_MSG_IOV, "about to call disable sriov\n");
2018         pci_disable_sriov(bp->pdev);
2019         DP(BNX2X_MSG_IOV, "sriov disabled\n");
2020
2021         /* free vf database */
2022         __bnx2x_iov_free_vfdb(bp);
2023 }
2024
2025 void bnx2x_iov_free_mem(struct bnx2x *bp)
2026 {
2027         int i;
2028
2029         if (!IS_SRIOV(bp))
2030                 return;
2031
2032         /* free vfs hw contexts */
2033         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2034                 struct hw_dma *cxt = &bp->vfdb->context[i];
2035                 BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size);
2036         }
2037
2038         BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr,
2039                        BP_VFDB(bp)->sp_dma.mapping,
2040                        BP_VFDB(bp)->sp_dma.size);
2041
2042         BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr,
2043                        BP_VF_MBX_DMA(bp)->mapping,
2044                        BP_VF_MBX_DMA(bp)->size);
2045
2046         BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr,
2047                        BP_VF_BULLETIN_DMA(bp)->mapping,
2048                        BP_VF_BULLETIN_DMA(bp)->size);
2049 }
2050
2051 int bnx2x_iov_alloc_mem(struct bnx2x *bp)
2052 {
2053         size_t tot_size;
2054         int i, rc = 0;
2055
2056         if (!IS_SRIOV(bp))
2057                 return rc;
2058
2059         /* allocate vfs hw contexts */
2060         tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) *
2061                 BNX2X_CIDS_PER_VF * sizeof(union cdu_context);
2062
2063         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2064                 struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i);
2065                 cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ);
2066
2067                 if (cxt->size) {
2068                         BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size);
2069                 } else {
2070                         cxt->addr = NULL;
2071                         cxt->mapping = 0;
2072                 }
2073                 tot_size -= cxt->size;
2074         }
2075
2076         /* allocate vfs ramrods dma memory - client_init and set_mac */
2077         tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp);
2078         BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping,
2079                         tot_size);
2080         BP_VFDB(bp)->sp_dma.size = tot_size;
2081
2082         /* allocate mailboxes */
2083         tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE;
2084         BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping,
2085                         tot_size);
2086         BP_VF_MBX_DMA(bp)->size = tot_size;
2087
2088         /* allocate local bulletin boards */
2089         tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE;
2090         BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp)->addr,
2091                         &BP_VF_BULLETIN_DMA(bp)->mapping, tot_size);
2092         BP_VF_BULLETIN_DMA(bp)->size = tot_size;
2093
2094         return 0;
2095
2096 alloc_mem_err:
2097         return -ENOMEM;
2098 }
2099
2100 static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
2101                            struct bnx2x_vf_queue *q)
2102 {
2103         u8 cl_id = vfq_cl_id(vf, q);
2104         u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
2105         unsigned long q_type = 0;
2106
2107         set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
2108         set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
2109
2110         /* Queue State object */
2111         bnx2x_init_queue_obj(bp, &q->sp_obj,
2112                              cl_id, &q->cid, 1, func_id,
2113                              bnx2x_vf_sp(bp, vf, q_data),
2114                              bnx2x_vf_sp_map(bp, vf, q_data),
2115                              q_type);
2116
2117         DP(BNX2X_MSG_IOV,
2118            "initialized vf %d's queue object. func id set to %d\n",
2119            vf->abs_vfid, q->sp_obj.func_id);
2120
2121         /* mac/vlan objects are per queue, but only those
2122          * that belong to the leading queue are initialized
2123          */
2124         if (vfq_is_leading(q)) {
2125                 /* mac */
2126                 bnx2x_init_mac_obj(bp, &q->mac_obj,
2127                                    cl_id, q->cid, func_id,
2128                                    bnx2x_vf_sp(bp, vf, mac_rdata),
2129                                    bnx2x_vf_sp_map(bp, vf, mac_rdata),
2130                                    BNX2X_FILTER_MAC_PENDING,
2131                                    &vf->filter_state,
2132                                    BNX2X_OBJ_TYPE_RX_TX,
2133                                    &bp->macs_pool);
2134                 /* vlan */
2135                 bnx2x_init_vlan_obj(bp, &q->vlan_obj,
2136                                     cl_id, q->cid, func_id,
2137                                     bnx2x_vf_sp(bp, vf, vlan_rdata),
2138                                     bnx2x_vf_sp_map(bp, vf, vlan_rdata),
2139                                     BNX2X_FILTER_VLAN_PENDING,
2140                                     &vf->filter_state,
2141                                     BNX2X_OBJ_TYPE_RX_TX,
2142                                     &bp->vlans_pool);
2143
2144                 /* mcast */
2145                 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id,
2146                                      q->cid, func_id, func_id,
2147                                      bnx2x_vf_sp(bp, vf, mcast_rdata),
2148                                      bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2149                                      BNX2X_FILTER_MCAST_PENDING,
2150                                      &vf->filter_state,
2151                                      BNX2X_OBJ_TYPE_RX_TX);
2152
2153                 vf->leading_rss = cl_id;
2154         }
2155 }
2156
2157 /* called by bnx2x_nic_load */
2158 int bnx2x_iov_nic_init(struct bnx2x *bp)
2159 {
2160         int vfid, qcount, i;
2161
2162         if (!IS_SRIOV(bp)) {
2163                 DP(BNX2X_MSG_IOV, "vfdb was not allocated\n");
2164                 return 0;
2165         }
2166
2167         DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn);
2168
2169         /* initialize vf database */
2170         for_each_vf(bp, vfid) {
2171                 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2172
2173                 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) *
2174                         BNX2X_CIDS_PER_VF;
2175
2176                 union cdu_context *base_cxt = (union cdu_context *)
2177                         BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2178                         (base_vf_cid & (ILT_PAGE_CIDS-1));
2179
2180                 DP(BNX2X_MSG_IOV,
2181                    "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n",
2182                    vf->abs_vfid, vf_sb_count(vf), base_vf_cid,
2183                    BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt);
2184
2185                 /* init statically provisioned resources */
2186                 bnx2x_iov_static_resc(bp, &vf->alloc_resc);
2187
2188                 /* queues are initialized during VF-ACQUIRE */
2189
2190                 /* reserve the vf vlan credit */
2191                 bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf));
2192
2193                 vf->filter_state = 0;
2194                 vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id);
2195
2196                 /*  init mcast object - This object will be re-initialized
2197                  *  during VF-ACQUIRE with the proper cl_id and cid.
2198                  *  It needs to be initialized here so that it can be safely
2199                  *  handled by a subsequent FLR flow.
2200                  */
2201                 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF,
2202                                      0xFF, 0xFF, 0xFF,
2203                                      bnx2x_vf_sp(bp, vf, mcast_rdata),
2204                                      bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2205                                      BNX2X_FILTER_MCAST_PENDING,
2206                                      &vf->filter_state,
2207                                      BNX2X_OBJ_TYPE_RX_TX);
2208
2209                 /* set the mailbox message addresses */
2210                 BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *)
2211                         (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid *
2212                         MBX_MSG_ALIGNED_SIZE);
2213
2214                 BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping +
2215                         vfid * MBX_MSG_ALIGNED_SIZE;
2216
2217                 /* Enable vf mailbox */
2218                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
2219         }
2220
2221         /* Final VF init */
2222         qcount = 0;
2223         for_each_vf(bp, i) {
2224                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2225
2226                 /* fill in the BDF and bars */
2227                 vf->bus = bnx2x_vf_bus(bp, i);
2228                 vf->devfn = bnx2x_vf_devfn(bp, i);
2229                 bnx2x_vf_set_bars(bp, vf);
2230
2231                 DP(BNX2X_MSG_IOV,
2232                    "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n",
2233                    vf->abs_vfid, vf->bus, vf->devfn,
2234                    (unsigned)vf->bars[0].bar, vf->bars[0].size,
2235                    (unsigned)vf->bars[1].bar, vf->bars[1].size,
2236                    (unsigned)vf->bars[2].bar, vf->bars[2].size);
2237
2238                 /* set local queue arrays */
2239                 vf->vfqs = &bp->vfdb->vfqs[qcount];
2240                 qcount += bnx2x_vf(bp, i, alloc_resc.num_sbs);
2241         }
2242
2243         return 0;
2244 }
2245
2246 /* called by bnx2x_chip_cleanup */
2247 int bnx2x_iov_chip_cleanup(struct bnx2x *bp)
2248 {
2249         int i;
2250
2251         if (!IS_SRIOV(bp))
2252                 return 0;
2253
2254         /* release all the VFs */
2255         for_each_vf(bp, i)
2256                 bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */
2257
2258         return 0;
2259 }
2260
2261 /* called by bnx2x_init_hw_func, returns the next ilt line */
2262 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line)
2263 {
2264         int i;
2265         struct bnx2x_ilt *ilt = BP_ILT(bp);
2266
2267         if (!IS_SRIOV(bp))
2268                 return line;
2269
2270         /* set vfs ilt lines */
2271         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2272                 struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i);
2273
2274                 ilt->lines[line+i].page = hw_cxt->addr;
2275                 ilt->lines[line+i].page_mapping = hw_cxt->mapping;
2276                 ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */
2277         }
2278         return line + i;
2279 }
2280
2281 static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid)
2282 {
2283         return ((cid >= BNX2X_FIRST_VF_CID) &&
2284                 ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS));
2285 }
2286
2287 static
2288 void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp,
2289                                         struct bnx2x_vf_queue *vfq,
2290                                         union event_ring_elem *elem)
2291 {
2292         unsigned long ramrod_flags = 0;
2293         int rc = 0;
2294
2295         /* Always push next commands out, don't wait here */
2296         set_bit(RAMROD_CONT, &ramrod_flags);
2297
2298         switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
2299         case BNX2X_FILTER_MAC_PENDING:
2300                 rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem,
2301                                            &ramrod_flags);
2302                 break;
2303         case BNX2X_FILTER_VLAN_PENDING:
2304                 rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem,
2305                                             &ramrod_flags);
2306                 break;
2307         default:
2308                 BNX2X_ERR("Unsupported classification command: %d\n",
2309                           elem->message.data.eth_event.echo);
2310                 return;
2311         }
2312         if (rc < 0)
2313                 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
2314         else if (rc > 0)
2315                 DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n");
2316 }
2317
2318 static
2319 void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp,
2320                                struct bnx2x_virtf *vf)
2321 {
2322         struct bnx2x_mcast_ramrod_params rparam = {NULL};
2323         int rc;
2324
2325         rparam.mcast_obj = &vf->mcast_obj;
2326         vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw);
2327
2328         /* If there are pending mcast commands - send them */
2329         if (vf->mcast_obj.check_pending(&vf->mcast_obj)) {
2330                 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
2331                 if (rc < 0)
2332                         BNX2X_ERR("Failed to send pending mcast commands: %d\n",
2333                                   rc);
2334         }
2335 }
2336
2337 static
2338 void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp,
2339                                  struct bnx2x_virtf *vf)
2340 {
2341         smp_mb__before_clear_bit();
2342         clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
2343         smp_mb__after_clear_bit();
2344 }
2345
2346 int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem)
2347 {
2348         struct bnx2x_virtf *vf;
2349         int qidx = 0, abs_vfid;
2350         u8 opcode;
2351         u16 cid = 0xffff;
2352
2353         if (!IS_SRIOV(bp))
2354                 return 1;
2355
2356         /* first get the cid - the only events we handle here are cfc-delete
2357          * and set-mac completion
2358          */
2359         opcode = elem->message.opcode;
2360
2361         switch (opcode) {
2362         case EVENT_RING_OPCODE_CFC_DEL:
2363                 cid = SW_CID((__force __le32)
2364                              elem->message.data.cfc_del_event.cid);
2365                 DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid);
2366                 break;
2367         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2368         case EVENT_RING_OPCODE_MULTICAST_RULES:
2369         case EVENT_RING_OPCODE_FILTERS_RULES:
2370                 cid = (elem->message.data.eth_event.echo &
2371                        BNX2X_SWCID_MASK);
2372                 DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid);
2373                 break;
2374         case EVENT_RING_OPCODE_VF_FLR:
2375                 abs_vfid = elem->message.data.vf_flr_event.vf_id;
2376                 DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n",
2377                    abs_vfid);
2378                 goto get_vf;
2379         case EVENT_RING_OPCODE_MALICIOUS_VF:
2380                 abs_vfid = elem->message.data.malicious_vf_event.vf_id;
2381                 DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d\n",
2382                    abs_vfid);
2383                 goto get_vf;
2384         default:
2385                 return 1;
2386         }
2387
2388         /* check if the cid is the VF range */
2389         if (!bnx2x_iov_is_vf_cid(bp, cid)) {
2390                 DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid);
2391                 return 1;
2392         }
2393
2394         /* extract vf and rxq index from vf_cid - relies on the following:
2395          * 1. vfid on cid reflects the true abs_vfid
2396          * 2. the max number of VFs (per path) is 64
2397          */
2398         qidx = cid & ((1 << BNX2X_VF_CID_WND)-1);
2399         abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2400 get_vf:
2401         vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
2402
2403         if (!vf) {
2404                 BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n",
2405                           cid, abs_vfid);
2406                 return 0;
2407         }
2408
2409         switch (opcode) {
2410         case EVENT_RING_OPCODE_CFC_DEL:
2411                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n",
2412                    vf->abs_vfid, qidx);
2413                 vfq_get(vf, qidx)->sp_obj.complete_cmd(bp,
2414                                                        &vfq_get(vf,
2415                                                                 qidx)->sp_obj,
2416                                                        BNX2X_Q_CMD_CFC_DEL);
2417                 break;
2418         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2419                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n",
2420                    vf->abs_vfid, qidx);
2421                 bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem);
2422                 break;
2423         case EVENT_RING_OPCODE_MULTICAST_RULES:
2424                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n",
2425                    vf->abs_vfid, qidx);
2426                 bnx2x_vf_handle_mcast_eqe(bp, vf);
2427                 break;
2428         case EVENT_RING_OPCODE_FILTERS_RULES:
2429                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n",
2430                    vf->abs_vfid, qidx);
2431                 bnx2x_vf_handle_filters_eqe(bp, vf);
2432                 break;
2433         case EVENT_RING_OPCODE_VF_FLR:
2434                 DP(BNX2X_MSG_IOV, "got VF [%d] FLR notification\n",
2435                    vf->abs_vfid);
2436                 /* Do nothing for now */
2437                 break;
2438         case EVENT_RING_OPCODE_MALICIOUS_VF:
2439                 DP(BNX2X_MSG_IOV, "got VF [%d] MALICIOUS notification\n",
2440                    vf->abs_vfid);
2441                 /* Do nothing for now */
2442                 break;
2443         }
2444         /* SRIOV: reschedule any 'in_progress' operations */
2445         bnx2x_iov_sp_event(bp, cid, false);
2446
2447         return 0;
2448 }
2449
2450 static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid)
2451 {
2452         /* extract the vf from vf_cid - relies on the following:
2453          * 1. vfid on cid reflects the true abs_vfid
2454          * 2. the max number of VFs (per path) is 64
2455          */
2456         int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2457         return bnx2x_vf_by_abs_fid(bp, abs_vfid);
2458 }
2459
2460 void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
2461                                 struct bnx2x_queue_sp_obj **q_obj)
2462 {
2463         struct bnx2x_virtf *vf;
2464
2465         if (!IS_SRIOV(bp))
2466                 return;
2467
2468         vf = bnx2x_vf_by_cid(bp, vf_cid);
2469
2470         if (vf) {
2471                 /* extract queue index from vf_cid - relies on the following:
2472                  * 1. vfid on cid reflects the true abs_vfid
2473                  * 2. the max number of VFs (per path) is 64
2474                  */
2475                 int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1);
2476                 *q_obj = &bnx2x_vfq(vf, q_index, sp_obj);
2477         } else {
2478                 BNX2X_ERR("No vf matching cid %d\n", vf_cid);
2479         }
2480 }
2481
2482 void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work)
2483 {
2484         struct bnx2x_virtf *vf;
2485
2486         /* check if the cid is the VF range */
2487         if (!IS_SRIOV(bp) || !bnx2x_iov_is_vf_cid(bp, vf_cid))
2488                 return;
2489
2490         vf = bnx2x_vf_by_cid(bp, vf_cid);
2491         if (vf) {
2492                 /* set in_progress flag */
2493                 atomic_set(&vf->op_in_progress, 1);
2494                 if (queue_work)
2495                         queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
2496         }
2497 }
2498
2499 void bnx2x_iov_adjust_stats_req(struct bnx2x *bp)
2500 {
2501         int i;
2502         int first_queue_query_index, num_queues_req;
2503         dma_addr_t cur_data_offset;
2504         struct stats_query_entry *cur_query_entry;
2505         u8 stats_count = 0;
2506         bool is_fcoe = false;
2507
2508         if (!IS_SRIOV(bp))
2509                 return;
2510
2511         if (!NO_FCOE(bp))
2512                 is_fcoe = true;
2513
2514         /* fcoe adds one global request and one queue request */
2515         num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe;
2516         first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX -
2517                 (is_fcoe ? 0 : 1);
2518
2519         DP(BNX2X_MSG_IOV,
2520            "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",
2521            BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index,
2522            first_queue_query_index + num_queues_req);
2523
2524         cur_data_offset = bp->fw_stats_data_mapping +
2525                 offsetof(struct bnx2x_fw_stats_data, queue_stats) +
2526                 num_queues_req * sizeof(struct per_queue_stats);
2527
2528         cur_query_entry = &bp->fw_stats_req->
2529                 query[first_queue_query_index + num_queues_req];
2530
2531         for_each_vf(bp, i) {
2532                 int j;
2533                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2534
2535                 if (vf->state != VF_ENABLED) {
2536                         DP(BNX2X_MSG_IOV,
2537                            "vf %d not enabled so no stats for it\n",
2538                            vf->abs_vfid);
2539                         continue;
2540                 }
2541
2542                 DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid);
2543                 for_each_vfq(vf, j) {
2544                         struct bnx2x_vf_queue *rxq = vfq_get(vf, j);
2545
2546                         /* collect stats fro active queues only */
2547                         if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) ==
2548                             BNX2X_Q_LOGICAL_STATE_STOPPED)
2549                                 continue;
2550
2551                         /* create stats query entry for this queue */
2552                         cur_query_entry->kind = STATS_TYPE_QUEUE;
2553                         cur_query_entry->index = vfq_cl_id(vf, rxq);
2554                         cur_query_entry->funcID =
2555                                 cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid));
2556                         cur_query_entry->address.hi =
2557                                 cpu_to_le32(U64_HI(vf->fw_stat_map));
2558                         cur_query_entry->address.lo =
2559                                 cpu_to_le32(U64_LO(vf->fw_stat_map));
2560                         DP(BNX2X_MSG_IOV,
2561                            "added address %x %x for vf %d queue %d client %d\n",
2562                            cur_query_entry->address.hi,
2563                            cur_query_entry->address.lo, cur_query_entry->funcID,
2564                            j, cur_query_entry->index);
2565                         cur_query_entry++;
2566                         cur_data_offset += sizeof(struct per_queue_stats);
2567                         stats_count++;
2568                 }
2569         }
2570         bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count;
2571 }
2572
2573 void bnx2x_iov_sp_task(struct bnx2x *bp)
2574 {
2575         int i;
2576
2577         if (!IS_SRIOV(bp))
2578                 return;
2579         /* Iterate over all VFs and invoke state transition for VFs with
2580          * 'in-progress' slow-path operations
2581          */
2582         DP(BNX2X_MSG_IOV, "searching for pending vf operations\n");
2583         for_each_vf(bp, i) {
2584                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2585
2586                 if (!list_empty(&vf->op_list_head) &&
2587                     atomic_read(&vf->op_in_progress)) {
2588                         DP(BNX2X_MSG_IOV, "running pending op for vf %d\n", i);
2589                         bnx2x_vfop_cur(bp, vf)->transition(bp, vf);
2590                 }
2591         }
2592 }
2593
2594 static inline
2595 struct bnx2x_virtf *__vf_from_stat_id(struct bnx2x *bp, u8 stat_id)
2596 {
2597         int i;
2598         struct bnx2x_virtf *vf = NULL;
2599
2600         for_each_vf(bp, i) {
2601                 vf = BP_VF(bp, i);
2602                 if (stat_id >= vf->igu_base_id &&
2603                     stat_id < vf->igu_base_id + vf_sb_count(vf))
2604                         break;
2605         }
2606         return vf;
2607 }
2608
2609 /* VF API helpers */
2610 static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid,
2611                                 u8 enable)
2612 {
2613         u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4;
2614         u32 val = enable ? (abs_vfid | (1 << 6)) : 0;
2615
2616         REG_WR(bp, reg, val);
2617 }
2618
2619 static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf)
2620 {
2621         int i;
2622
2623         for_each_vfq(vf, i)
2624                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2625                                     vfq_qzone_id(vf, vfq_get(vf, i)), false);
2626 }
2627
2628 static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf)
2629 {
2630         u32 val;
2631
2632         /* clear the VF configuration - pretend */
2633         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
2634         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
2635         val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN |
2636                  IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK);
2637         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
2638         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2639 }
2640
2641 u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf)
2642 {
2643         return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF),
2644                      BNX2X_VF_MAX_QUEUES);
2645 }
2646
2647 static
2648 int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf,
2649                             struct vf_pf_resc_request *req_resc)
2650 {
2651         u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2652         u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2653
2654         return ((req_resc->num_rxqs <= rxq_cnt) &&
2655                 (req_resc->num_txqs <= txq_cnt) &&
2656                 (req_resc->num_sbs <= vf_sb_count(vf))   &&
2657                 (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) &&
2658                 (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf)));
2659 }
2660
2661 /* CORE VF API */
2662 int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
2663                      struct vf_pf_resc_request *resc)
2664 {
2665         int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) *
2666                 BNX2X_CIDS_PER_VF;
2667
2668         union cdu_context *base_cxt = (union cdu_context *)
2669                 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2670                 (base_vf_cid & (ILT_PAGE_CIDS-1));
2671         int i;
2672
2673         /* if state is 'acquired' the VF was not released or FLR'd, in
2674          * this case the returned resources match the acquired already
2675          * acquired resources. Verify that the requested numbers do
2676          * not exceed the already acquired numbers.
2677          */
2678         if (vf->state == VF_ACQUIRED) {
2679                 DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n",
2680                    vf->abs_vfid);
2681
2682                 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2683                         BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n",
2684                                   vf->abs_vfid);
2685                         return -EINVAL;
2686                 }
2687                 return 0;
2688         }
2689
2690         /* Otherwise vf state must be 'free' or 'reset' */
2691         if (vf->state != VF_FREE && vf->state != VF_RESET) {
2692                 BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n",
2693                           vf->abs_vfid, vf->state);
2694                 return -EINVAL;
2695         }
2696
2697         /* static allocation:
2698          * the global maximum number are fixed per VF. fail the request if
2699          * requested number exceed these globals
2700          */
2701         if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2702                 DP(BNX2X_MSG_IOV,
2703                    "cannot fulfill vf resource request. Placing maximal available values in response\n");
2704                 /* set the max resource in the vf */
2705                 return -ENOMEM;
2706         }
2707
2708         /* Set resources counters - 0 request means max available */
2709         vf_sb_count(vf) = resc->num_sbs;
2710         vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2711         vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2712         if (resc->num_mac_filters)
2713                 vf_mac_rules_cnt(vf) = resc->num_mac_filters;
2714         if (resc->num_vlan_filters)
2715                 vf_vlan_rules_cnt(vf) = resc->num_vlan_filters;
2716
2717         DP(BNX2X_MSG_IOV,
2718            "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n",
2719            vf_sb_count(vf), vf_rxq_count(vf),
2720            vf_txq_count(vf), vf_mac_rules_cnt(vf),
2721            vf_vlan_rules_cnt(vf));
2722
2723         /* Initialize the queues */
2724         if (!vf->vfqs) {
2725                 DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n");
2726                 return -EINVAL;
2727         }
2728
2729         for_each_vfq(vf, i) {
2730                 struct bnx2x_vf_queue *q = vfq_get(vf, i);
2731
2732                 if (!q) {
2733                         DP(BNX2X_MSG_IOV, "q number %d was not allocated\n", i);
2734                         return -EINVAL;
2735                 }
2736
2737                 q->index = i;
2738                 q->cxt = &((base_cxt + i)->eth);
2739                 q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i;
2740
2741                 DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n",
2742                    vf->abs_vfid, i, q->index, q->cid, q->cxt);
2743
2744                 /* init SP objects */
2745                 bnx2x_vfq_init(bp, vf, q);
2746         }
2747         vf->state = VF_ACQUIRED;
2748         return 0;
2749 }
2750
2751 int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map)
2752 {
2753         struct bnx2x_func_init_params func_init = {0};
2754         u16 flags = 0;
2755         int i;
2756
2757         /* the sb resources are initialized at this point, do the
2758          * FW/HW initializations
2759          */
2760         for_each_vf_sb(vf, i)
2761                 bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true,
2762                               vf_igu_sb(vf, i), vf_igu_sb(vf, i));
2763
2764         /* Sanity checks */
2765         if (vf->state != VF_ACQUIRED) {
2766                 DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n",
2767                    vf->abs_vfid, vf->state);
2768                 return -EINVAL;
2769         }
2770         /* FLR cleanup epilogue */
2771         if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid))
2772                 return -EBUSY;
2773
2774         /* reset IGU VF statistics: MSIX */
2775         REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0);
2776
2777         /* vf init */
2778         if (vf->cfg_flags & VF_CFG_STATS)
2779                 flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ);
2780
2781         if (vf->cfg_flags & VF_CFG_TPA)
2782                 flags |= FUNC_FLG_TPA;
2783
2784         if (is_vf_multi(vf))
2785                 flags |= FUNC_FLG_RSS;
2786
2787         /* function setup */
2788         func_init.func_flgs = flags;
2789         func_init.pf_id = BP_FUNC(bp);
2790         func_init.func_id = FW_VF_HANDLE(vf->abs_vfid);
2791         func_init.fw_stat_map = vf->fw_stat_map;
2792         func_init.spq_map = vf->spq_map;
2793         func_init.spq_prod = 0;
2794         bnx2x_func_init(bp, &func_init);
2795
2796         /* Enable the vf */
2797         bnx2x_vf_enable_access(bp, vf->abs_vfid);
2798         bnx2x_vf_enable_traffic(bp, vf);
2799
2800         /* queue protection table */
2801         for_each_vfq(vf, i)
2802                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2803                                     vfq_qzone_id(vf, vfq_get(vf, i)), true);
2804
2805         vf->state = VF_ENABLED;
2806
2807         /* update vf bulletin board */
2808         bnx2x_post_vf_bulletin(bp, vf->index);
2809
2810         return 0;
2811 }
2812
2813 /* VFOP close (teardown the queues, delete mcasts and close HW) */
2814 static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf)
2815 {
2816         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2817         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
2818         enum bnx2x_vfop_close_state state = vfop->state;
2819         struct bnx2x_vfop_cmd cmd = {
2820                 .done = bnx2x_vfop_close,
2821                 .block = false,
2822         };
2823
2824         if (vfop->rc < 0)
2825                 goto op_err;
2826
2827         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
2828
2829         switch (state) {
2830         case BNX2X_VFOP_CLOSE_QUEUES:
2831
2832                 if (++(qx->qid) < vf_rxq_count(vf)) {
2833                         vfop->rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qx->qid);
2834                         if (vfop->rc)
2835                                 goto op_err;
2836                         return;
2837                 }
2838
2839                 /* remove multicasts */
2840                 vfop->state = BNX2X_VFOP_CLOSE_HW;
2841                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, 0, false);
2842                 if (vfop->rc)
2843                         goto op_err;
2844                 return;
2845
2846         case BNX2X_VFOP_CLOSE_HW:
2847
2848                 /* disable the interrupts */
2849                 DP(BNX2X_MSG_IOV, "disabling igu\n");
2850                 bnx2x_vf_igu_disable(bp, vf);
2851
2852                 /* disable the VF */
2853                 DP(BNX2X_MSG_IOV, "clearing qtbl\n");
2854                 bnx2x_vf_clr_qtbl(bp, vf);
2855
2856                 goto op_done;
2857         default:
2858                 bnx2x_vfop_default(state);
2859         }
2860 op_err:
2861         BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc);
2862 op_done:
2863         vf->state = VF_ACQUIRED;
2864         DP(BNX2X_MSG_IOV, "set state to acquired\n");
2865         bnx2x_vfop_end(bp, vf, vfop);
2866 }
2867
2868 int bnx2x_vfop_close_cmd(struct bnx2x *bp,
2869                          struct bnx2x_virtf *vf,
2870                          struct bnx2x_vfop_cmd *cmd)
2871 {
2872         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2873         if (vfop) {
2874                 vfop->args.qx.qid = -1; /* loop */
2875                 bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES,
2876                                  bnx2x_vfop_close, cmd->done);
2877                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_close,
2878                                              cmd->block);
2879         }
2880         return -ENOMEM;
2881 }
2882
2883 /* VF release can be called either: 1. the VF was acquired but
2884  * not enabled 2. the vf was enabled or in the process of being
2885  * enabled
2886  */
2887 static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf)
2888 {
2889         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2890         struct bnx2x_vfop_cmd cmd = {
2891                 .done = bnx2x_vfop_release,
2892                 .block = false,
2893         };
2894
2895         DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2896
2897         if (vfop->rc < 0)
2898                 goto op_err;
2899
2900         DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid,
2901            vf->state == VF_FREE ? "Free" :
2902            vf->state == VF_ACQUIRED ? "Acquired" :
2903            vf->state == VF_ENABLED ? "Enabled" :
2904            vf->state == VF_RESET ? "Reset" :
2905            "Unknown");
2906
2907         switch (vf->state) {
2908         case VF_ENABLED:
2909                 vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd);
2910                 if (vfop->rc)
2911                         goto op_err;
2912                 return;
2913
2914         case VF_ACQUIRED:
2915                 DP(BNX2X_MSG_IOV, "about to free resources\n");
2916                 bnx2x_vf_free_resc(bp, vf);
2917                 DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2918                 goto op_done;
2919
2920         case VF_FREE:
2921         case VF_RESET:
2922                 /* do nothing */
2923                 goto op_done;
2924         default:
2925                 bnx2x_vfop_default(vf->state);
2926         }
2927 op_err:
2928         BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc);
2929 op_done:
2930         bnx2x_vfop_end(bp, vf, vfop);
2931 }
2932
2933 int bnx2x_vfop_release_cmd(struct bnx2x *bp,
2934                            struct bnx2x_virtf *vf,
2935                            struct bnx2x_vfop_cmd *cmd)
2936 {
2937         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2938         if (vfop) {
2939                 bnx2x_vfop_opset(-1, /* use vf->state */
2940                                  bnx2x_vfop_release, cmd->done);
2941                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release,
2942                                              cmd->block);
2943         }
2944         return -ENOMEM;
2945 }
2946
2947 /* VF release ~ VF close + VF release-resources
2948  * Release is the ultimate SW shutdown and is called whenever an
2949  * irrecoverable error is encountered.
2950  */
2951 void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block)
2952 {
2953         struct bnx2x_vfop_cmd cmd = {
2954                 .done = NULL,
2955                 .block = block,
2956         };
2957         int rc;
2958         bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
2959
2960         rc = bnx2x_vfop_release_cmd(bp, vf, &cmd);
2961         if (rc)
2962                 WARN(rc,
2963                      "VF[%d] Failed to allocate resources for release op- rc=%d\n",
2964                      vf->abs_vfid, rc);
2965 }
2966
2967 static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp,
2968                               struct bnx2x_virtf *vf, u32 *sbdf)
2969 {
2970         *sbdf = vf->devfn | (vf->bus << 8);
2971 }
2972
2973 static inline void bnx2x_vf_get_bars(struct bnx2x *bp, struct bnx2x_virtf *vf,
2974                        struct bnx2x_vf_bar_info *bar_info)
2975 {
2976         int n;
2977
2978         bar_info->nr_bars = bp->vfdb->sriov.nres;
2979         for (n = 0; n < bar_info->nr_bars; n++)
2980                 bar_info->bars[n] = vf->bars[n];
2981 }
2982
2983 void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
2984                               enum channel_tlvs tlv)
2985 {
2986         /* lock the channel */
2987         mutex_lock(&vf->op_mutex);
2988
2989         /* record the locking op */
2990         vf->op_current = tlv;
2991
2992         /* log the lock */
2993         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n",
2994            vf->abs_vfid, tlv);
2995 }
2996
2997 void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
2998                                 enum channel_tlvs expected_tlv)
2999 {
3000         WARN(expected_tlv != vf->op_current,
3001              "lock mismatch: expected %d found %d", expected_tlv,
3002              vf->op_current);
3003
3004         /* lock the channel */
3005         mutex_unlock(&vf->op_mutex);
3006
3007         /* log the unlock */
3008         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n",
3009            vf->abs_vfid, vf->op_current);
3010
3011         /* record the locking op */
3012         vf->op_current = CHANNEL_TLV_NONE;
3013 }
3014
3015 void bnx2x_enable_sriov(struct bnx2x *bp)
3016 {
3017         int rc = 0;
3018
3019         /* disbale sriov in case it is still enabled */
3020         pci_disable_sriov(bp->pdev);
3021         DP(BNX2X_MSG_IOV, "sriov disabled\n");
3022
3023         /* enable sriov */
3024         DP(BNX2X_MSG_IOV, "vf num (%d)\n", (bp->vfdb->sriov.nr_virtfn));
3025         rc = pci_enable_sriov(bp->pdev, (bp->vfdb->sriov.nr_virtfn));
3026         if (rc)
3027                 BNX2X_ERR("pci_enable_sriov failed with %d\n", rc);
3028         else
3029                 DP(BNX2X_MSG_IOV, "sriov enabled\n");
3030 }
3031
3032 /* New mac for VF. Consider these cases:
3033  * 1. VF hasn't been acquired yet - save the mac in local bulletin board and
3034  *    supply at acquire.
3035  * 2. VF has already been acquired but has not yet initialized - store in local
3036  *    bulletin board. mac will be posted on VF bulletin board after VF init. VF
3037  *    will configure this mac when it is ready.
3038  * 3. VF has already initialized but has not yet setup a queue - post the new
3039  *    mac on VF's bulletin board right now. VF will configure this mac when it
3040  *    is ready.
3041  * 4. VF has already set a queue - delete any macs already configured for this
3042  *    queue and manually config the new mac.
3043  * In any event, once this function has been called refuse any attempts by the
3044  * VF to configure any mac for itself except for this mac. In case of a race
3045  * where the VF fails to see the new post on its bulletin board before sending a
3046  * mac configuration request, the PF will simply fail the request and VF can try
3047  * again after consulting its bulletin board
3048  */
3049 int bnx2x_set_vf_mac(struct net_device *dev, int queue, u8 *mac)
3050 {
3051         struct bnx2x *bp = netdev_priv(dev);
3052         int rc, q_logical_state, vfidx = queue;
3053         struct bnx2x_virtf *vf = BP_VF(bp, vfidx);
3054         struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx);
3055
3056         /* if SRIOV is disabled there is nothing to do (and somewhere, someone
3057          * has erred).
3058          */
3059         if (!IS_SRIOV(bp)) {
3060                 BNX2X_ERR("bnx2x_set_vf_mac called though sriov is disabled\n");
3061                 return -EINVAL;
3062         }
3063
3064         if (!is_valid_ether_addr(mac)) {
3065                 BNX2X_ERR("mac address invalid\n");
3066                 return -EINVAL;
3067         }
3068
3069         /* update PF's copy of the VF's bulletin. will no longer accept mac
3070          * configuration requests from vf unless match this mac
3071          */
3072         bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID;
3073         memcpy(bulletin->mac, mac, ETH_ALEN);
3074
3075         /* Post update on VF's bulletin board */
3076         rc = bnx2x_post_vf_bulletin(bp, vfidx);
3077         if (rc) {
3078                 BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx);
3079                 return rc;
3080         }
3081
3082         /* is vf initialized and queue set up? */
3083         q_logical_state =
3084                 bnx2x_get_q_logical_state(bp, &bnx2x_vfq(vf, 0, sp_obj));
3085         if (vf->state == VF_ENABLED &&
3086             q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3087                 /* configure the mac in device on this vf's queue */
3088                 unsigned long flags = 0;
3089                 struct bnx2x_vlan_mac_obj *mac_obj = &bnx2x_vfq(vf, 0, mac_obj);
3090
3091                 /* must lock vfpf channel to protect against vf flows */
3092                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3093
3094                 /* remove existing eth macs */
3095                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true);
3096                 if (rc) {
3097                         BNX2X_ERR("failed to delete eth macs\n");
3098                         return -EINVAL;
3099                 }
3100
3101                 /* remove existing uc list macs */
3102                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true);
3103                 if (rc) {
3104                         BNX2X_ERR("failed to delete uc_list macs\n");
3105                         return -EINVAL;
3106                 }
3107
3108                 /* configure the new mac to device */
3109                 __set_bit(RAMROD_COMP_WAIT, &flags);
3110                 bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true,
3111                                   BNX2X_ETH_MAC, &flags);
3112
3113                 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3114         }
3115
3116         return rc;
3117 }
3118
3119 /* crc is the first field in the bulletin board. compute the crc over the
3120  * entire bulletin board excluding the crc field itself
3121  */
3122 u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp,
3123                           struct pf_vf_bulletin_content *bulletin)
3124 {
3125         return crc32(BULLETIN_CRC_SEED,
3126                  ((u8 *)bulletin) + sizeof(bulletin->crc),
3127                  bulletin->length - sizeof(bulletin->crc));
3128 }
3129
3130 /* Check for new posts on the bulletin board */
3131 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
3132 {
3133         struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
3134         int attempts;
3135
3136         /* bulletin board hasn't changed since last sample */
3137         if (bp->old_bulletin.version == bulletin.version)
3138                 return PFVF_BULLETIN_UNCHANGED;
3139
3140         /* validate crc of new bulletin board */
3141         if (bp->old_bulletin.version != bp->pf2vf_bulletin->content.version) {
3142                 /* sampling structure in mid post may result with corrupted data
3143                  * validate crc to ensure coherency.
3144                  */
3145                 for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) {
3146                         bulletin = bp->pf2vf_bulletin->content;
3147                         if (bulletin.crc == bnx2x_crc_vf_bulletin(bp,
3148                                                                   &bulletin))
3149                                 break;
3150                         BNX2X_ERR("bad crc on bulletin board. contained %x computed %x\n",
3151                                   bulletin.crc,
3152                                   bnx2x_crc_vf_bulletin(bp, &bulletin));
3153                 }
3154                 if (attempts >= BULLETIN_ATTEMPTS) {
3155                         BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n",
3156                                   attempts);
3157                         return PFVF_BULLETIN_CRC_ERR;
3158                 }
3159         }
3160
3161         /* the mac address in bulletin board is valid and is new */
3162         if (bulletin.valid_bitmap & 1 << MAC_ADDR_VALID &&
3163             memcmp(bulletin.mac, bp->old_bulletin.mac, ETH_ALEN)) {
3164                 /* update new mac to net device */
3165                 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
3166         }
3167
3168         /* copy new bulletin board to bp */
3169         bp->old_bulletin = bulletin;
3170
3171         return PFVF_BULLETIN_UPDATED;
3172 }
3173
3174 void bnx2x_vf_map_doorbells(struct bnx2x *bp)
3175 {
3176         /* vf doorbells are embedded within the regview */
3177         bp->doorbells = bp->regview + PXP_VF_ADDR_DB_START;
3178 }
3179
3180 int bnx2x_vf_pci_alloc(struct bnx2x *bp)
3181 {
3182         /* allocate vf2pf mailbox for vf to pf channel */
3183         BNX2X_PCI_ALLOC(bp->vf2pf_mbox, &bp->vf2pf_mbox_mapping,
3184                         sizeof(struct bnx2x_vf_mbx_msg));
3185
3186         /* allocate pf 2 vf bulletin board */
3187         BNX2X_PCI_ALLOC(bp->pf2vf_bulletin, &bp->pf2vf_bulletin_mapping,
3188                         sizeof(union pf_vf_bulletin));
3189
3190         return 0;
3191
3192 alloc_mem_err:
3193         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3194                        sizeof(struct bnx2x_vf_mbx_msg));
3195         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3196                        sizeof(union pf_vf_bulletin));
3197         return -ENOMEM;
3198 }