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

   1 /* bnx2x_sriov.c: Broadcom Everest network driver.
   2  *
   3  * Copyright 2009-2013 Broadcom Corporation
   4  *
   5  * Unless you and Broadcom execute a separate written software license
   6  * agreement governing use of this software, this software is licensed to you
   7  * under the terms of the GNU General Public License version 2, available
   8  * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
   9  *
  10  * Notwithstanding the above, under no circumstances may you combine this
  11  * software in any way with any other Broadcom software provided under a
  12  * license other than the GPL, without Broadcom's express prior written
  13  * consent.
  14  *
  15  * Maintained by: Eilon Greenstein <eilong@broadcom.com>
  16  * Written by: Shmulik Ravid <shmulikr@broadcom.com>
  17  *             Ariel Elior <ariele@broadcom.com>
  18  *
  19  */
  20 #include "bnx2x.h"
  21 #include "bnx2x_init.h"
  22 #include "bnx2x_cmn.h"
  23 #include "bnx2x_sp.h"
  24 #include <linux/crc32.h>
  25 #include <linux/if_vlan.h>
  26
  27 /* General service functions */
  28 static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
  29                                          u16 pf_id)
  30 {
  31         REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
  32                 pf_id);
  33         REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
  34                 pf_id);
  35         REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
  36                 pf_id);
  37         REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
  38                 pf_id);
  39 }
  40
  41 static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
  42                                         u8 enable)
  43 {
  44         REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
  45                 enable);
  46         REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
  47                 enable);
  48         REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
  49                 enable);
  50         REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
  51                 enable);
  52 }
  53
  54 int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
  55 {
  56         int idx;
  57
  58         for_each_vf(bp, idx)
  59                 if (bnx2x_vf(bp, idx, abs_vfid) == abs_vfid)
  60                         break;
  61         return idx;
  62 }
  63
  64 static
  65 struct bnx2x_virtf *bnx2x_vf_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
  66 {
  67         u16 idx =  (u16)bnx2x_vf_idx_by_abs_fid(bp, abs_vfid);
  68         return (idx < BNX2X_NR_VIRTFN(bp)) ? BP_VF(bp, idx) : NULL;
  69 }
  70
  71 static void bnx2x_vf_igu_ack_sb(struct bnx2x *bp, struct bnx2x_virtf *vf,
  72                                 u8 igu_sb_id, u8 segment, u16 index, u8 op,
  73                                 u8 update)
  74 {
  75         /* acking a VF sb through the PF - use the GRC */
  76         u32 ctl;
  77         u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
  78         u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
  79         u32 func_encode = vf->abs_vfid;
  80         u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + igu_sb_id;
  81         struct igu_regular cmd_data = {0};
  82
  83         cmd_data.sb_id_and_flags =
  84                         ((index << IGU_REGULAR_SB_INDEX_SHIFT) |
  85                          (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) |
  86                          (update << IGU_REGULAR_BUPDATE_SHIFT) |
  87                          (op << IGU_REGULAR_ENABLE_INT_SHIFT));
  88
  89         ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT         |
  90               func_encode << IGU_CTRL_REG_FID_SHIFT             |
  91               IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
  92
  93         DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
  94            cmd_data.sb_id_and_flags, igu_addr_data);
  95         REG_WR(bp, igu_addr_data, cmd_data.sb_id_and_flags);
  96         mmiowb();
  97         barrier();
  98
  99         DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
 100            ctl, igu_addr_ctl);
 101         REG_WR(bp, igu_addr_ctl, ctl);
 102         mmiowb();
 103         barrier();
 104 }
 105
 106 static bool bnx2x_validate_vf_sp_objs(struct bnx2x *bp,
 107                                        struct bnx2x_virtf *vf,
 108                                        bool print_err)
 109 {
 110         if (!bnx2x_leading_vfq(vf, sp_initialized)) {
 111                 if (print_err)
 112                         BNX2X_ERR("Slowpath objects not yet initialized!\n");
 113                 else
 114                         DP(BNX2X_MSG_IOV, "Slowpath objects not yet initialized!\n");
 115                 return false;
 116         }
 117         return true;
 118 }
 119
 120 /* VFOP - VF slow-path operation support */
 121
 122 #define BNX2X_VFOP_FILTER_ADD_CNT_MAX           0x10000
 123
 124 /* VFOP operations states */
 125 enum bnx2x_vfop_qctor_state {
 126            BNX2X_VFOP_QCTOR_INIT,
 127            BNX2X_VFOP_QCTOR_SETUP,
 128            BNX2X_VFOP_QCTOR_INT_EN
 129 };
 130
 131 enum bnx2x_vfop_qdtor_state {
 132            BNX2X_VFOP_QDTOR_HALT,
 133            BNX2X_VFOP_QDTOR_TERMINATE,
 134            BNX2X_VFOP_QDTOR_CFCDEL,
 135            BNX2X_VFOP_QDTOR_DONE
 136 };
 137
 138 enum bnx2x_vfop_vlan_mac_state {
 139            BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE,
 140            BNX2X_VFOP_VLAN_MAC_CLEAR,
 141            BNX2X_VFOP_VLAN_MAC_CHK_DONE,
 142            BNX2X_VFOP_MAC_CONFIG_LIST,
 143            BNX2X_VFOP_VLAN_CONFIG_LIST,
 144            BNX2X_VFOP_VLAN_CONFIG_LIST_0
 145 };
 146
 147 enum bnx2x_vfop_qsetup_state {
 148            BNX2X_VFOP_QSETUP_CTOR,
 149            BNX2X_VFOP_QSETUP_VLAN0,
 150            BNX2X_VFOP_QSETUP_DONE
 151 };
 152
 153 enum bnx2x_vfop_mcast_state {
 154            BNX2X_VFOP_MCAST_DEL,
 155            BNX2X_VFOP_MCAST_ADD,
 156            BNX2X_VFOP_MCAST_CHK_DONE
 157 };
 158 enum bnx2x_vfop_qflr_state {
 159            BNX2X_VFOP_QFLR_CLR_VLAN,
 160            BNX2X_VFOP_QFLR_CLR_MAC,
 161            BNX2X_VFOP_QFLR_TERMINATE,
 162            BNX2X_VFOP_QFLR_DONE
 163 };
 164
 165 enum bnx2x_vfop_flr_state {
 166            BNX2X_VFOP_FLR_QUEUES,
 167            BNX2X_VFOP_FLR_HW
 168 };
 169
 170 enum bnx2x_vfop_close_state {
 171            BNX2X_VFOP_CLOSE_QUEUES,
 172            BNX2X_VFOP_CLOSE_HW
 173 };
 174
 175 enum bnx2x_vfop_rxmode_state {
 176            BNX2X_VFOP_RXMODE_CONFIG,
 177            BNX2X_VFOP_RXMODE_DONE
 178 };
 179
 180 enum bnx2x_vfop_qteardown_state {
 181            BNX2X_VFOP_QTEARDOWN_RXMODE,
 182            BNX2X_VFOP_QTEARDOWN_CLR_VLAN,
 183            BNX2X_VFOP_QTEARDOWN_CLR_MAC,
 184            BNX2X_VFOP_QTEARDOWN_CLR_MCAST,
 185            BNX2X_VFOP_QTEARDOWN_QDTOR,
 186            BNX2X_VFOP_QTEARDOWN_DONE
 187 };
 188
 189 enum bnx2x_vfop_rss_state {
 190            BNX2X_VFOP_RSS_CONFIG,
 191            BNX2X_VFOP_RSS_DONE
 192 };
 193
 194 enum bnx2x_vfop_tpa_state {
 195            BNX2X_VFOP_TPA_CONFIG,
 196            BNX2X_VFOP_TPA_DONE
 197 };
 198
 199 #define bnx2x_vfop_reset_wq(vf) atomic_set(&vf->op_in_progress, 0)
 200
 201 void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf,
 202                               struct bnx2x_queue_init_params *init_params,
 203                               struct bnx2x_queue_setup_params *setup_params,
 204                               u16 q_idx, u16 sb_idx)
 205 {
 206         DP(BNX2X_MSG_IOV,
 207            "VF[%d] Q_SETUP: txq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, flags=0x%lx, traffic-type=%d",
 208            vf->abs_vfid,
 209            q_idx,
 210            sb_idx,
 211            init_params->tx.sb_cq_index,
 212            init_params->tx.hc_rate,
 213            setup_params->flags,
 214            setup_params->txq_params.traffic_type);
 215 }
 216
 217 void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf,
 218                             struct bnx2x_queue_init_params *init_params,
 219                             struct bnx2x_queue_setup_params *setup_params,
 220                             u16 q_idx, u16 sb_idx)
 221 {
 222         struct bnx2x_rxq_setup_params *rxq_params = &setup_params->rxq_params;
 223
 224         DP(BNX2X_MSG_IOV, "VF[%d] Q_SETUP: rxq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, mtu=%d, buf-size=%d\n"
 225            "sge-size=%d, max_sge_pkt=%d, tpa-agg-size=%d, flags=0x%lx, drop-flags=0x%x, cache-log=%d\n",
 226            vf->abs_vfid,
 227            q_idx,
 228            sb_idx,
 229            init_params->rx.sb_cq_index,
 230            init_params->rx.hc_rate,
 231            setup_params->gen_params.mtu,
 232            rxq_params->buf_sz,
 233            rxq_params->sge_buf_sz,
 234            rxq_params->max_sges_pkt,
 235            rxq_params->tpa_agg_sz,
 236            setup_params->flags,
 237            rxq_params->drop_flags,
 238            rxq_params->cache_line_log);
 239 }
 240
 241 void bnx2x_vfop_qctor_prep(struct bnx2x *bp,
 242                            struct bnx2x_virtf *vf,
 243                            struct bnx2x_vf_queue *q,
 244                            struct bnx2x_vfop_qctor_params *p,
 245                            unsigned long q_type)
 246 {
 247         struct bnx2x_queue_init_params *init_p = &p->qstate.params.init;
 248         struct bnx2x_queue_setup_params *setup_p = &p->prep_qsetup;
 249
 250         /* INIT */
 251
 252         /* Enable host coalescing in the transition to INIT state */
 253         if (test_bit(BNX2X_Q_FLG_HC, &init_p->rx.flags))
 254                 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->rx.flags);
 255
 256         if (test_bit(BNX2X_Q_FLG_HC, &init_p->tx.flags))
 257                 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->tx.flags);
 258
 259         /* FW SB ID */
 260         init_p->rx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 261         init_p->tx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 262
 263         /* context */
 264         init_p->cxts[0] = q->cxt;
 265
 266         /* SETUP */
 267
 268         /* Setup-op general parameters */
 269         setup_p->gen_params.spcl_id = vf->sp_cl_id;
 270         setup_p->gen_params.stat_id = vfq_stat_id(vf, q);
 271
 272         /* Setup-op pause params:
 273          * Nothing to do, the pause thresholds are set by default to 0 which
 274          * effectively turns off the feature for this queue. We don't want
 275          * one queue (VF) to interfering with another queue (another VF)
 276          */
 277         if (vf->cfg_flags & VF_CFG_FW_FC)
 278                 BNX2X_ERR("No support for pause to VFs (abs_vfid: %d)\n",
 279                           vf->abs_vfid);
 280         /* Setup-op flags:
 281          * collect statistics, zero statistics, local-switching, security,
 282          * OV for Flex10, RSS and MCAST for leading
 283          */
 284         if (test_bit(BNX2X_Q_FLG_STATS, &setup_p->flags))
 285                 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &setup_p->flags);
 286
 287         /* for VFs, enable tx switching, bd coherency, and mac address
 288          * anti-spoofing
 289          */
 290         __set_bit(BNX2X_Q_FLG_TX_SWITCH, &setup_p->flags);
 291         __set_bit(BNX2X_Q_FLG_TX_SEC, &setup_p->flags);
 292         __set_bit(BNX2X_Q_FLG_ANTI_SPOOF, &setup_p->flags);
 293
 294         /* Setup-op rx parameters */
 295         if (test_bit(BNX2X_Q_TYPE_HAS_RX, &q_type)) {
 296                 struct bnx2x_rxq_setup_params *rxq_p = &setup_p->rxq_params;
 297
 298                 rxq_p->cl_qzone_id = vfq_qzone_id(vf, q);
 299                 rxq_p->fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 300                 rxq_p->rss_engine_id = FW_VF_HANDLE(vf->abs_vfid);
 301
 302                 if (test_bit(BNX2X_Q_FLG_TPA, &setup_p->flags))
 303                         rxq_p->max_tpa_queues = BNX2X_VF_MAX_TPA_AGG_QUEUES;
 304         }
 305
 306         /* Setup-op tx parameters */
 307         if (test_bit(BNX2X_Q_TYPE_HAS_TX, &q_type)) {
 308                 setup_p->txq_params.tss_leading_cl_id = vf->leading_rss;
 309                 setup_p->txq_params.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 310         }
 311 }
 312
 313 /* VFOP queue construction */
 314 static void bnx2x_vfop_qctor(struct bnx2x *bp, struct bnx2x_virtf *vf)
 315 {
 316         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 317         struct bnx2x_vfop_args_qctor *args = &vfop->args.qctor;
 318         struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate;
 319         enum bnx2x_vfop_qctor_state state = vfop->state;
 320
 321         bnx2x_vfop_reset_wq(vf);
 322
 323         if (vfop->rc < 0)
 324                 goto op_err;
 325
 326         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 327
 328         switch (state) {
 329         case BNX2X_VFOP_QCTOR_INIT:
 330
 331                 /* has this queue already been opened? */
 332                 if (bnx2x_get_q_logical_state(bp, q_params->q_obj) ==
 333                     BNX2X_Q_LOGICAL_STATE_ACTIVE) {
 334                         DP(BNX2X_MSG_IOV,
 335                            "Entered qctor but queue was already up. Aborting gracefully\n");
 336                         goto op_done;
 337                 }
 338
 339                 /* next state */
 340                 vfop->state = BNX2X_VFOP_QCTOR_SETUP;
 341
 342                 q_params->cmd = BNX2X_Q_CMD_INIT;
 343                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 344
 345                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 346
 347         case BNX2X_VFOP_QCTOR_SETUP:
 348                 /* next state */
 349                 vfop->state = BNX2X_VFOP_QCTOR_INT_EN;
 350
 351                 /* copy pre-prepared setup params to the queue-state params */
 352                 vfop->op_p->qctor.qstate.params.setup =
 353                         vfop->op_p->qctor.prep_qsetup;
 354
 355                 q_params->cmd = BNX2X_Q_CMD_SETUP;
 356                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 357
 358                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 359
 360         case BNX2X_VFOP_QCTOR_INT_EN:
 361
 362                 /* enable interrupts */
 363                 bnx2x_vf_igu_ack_sb(bp, vf, vf_igu_sb(vf, args->sb_idx),
 364                                     USTORM_ID, 0, IGU_INT_ENABLE, 0);
 365                 goto op_done;
 366         default:
 367                 bnx2x_vfop_default(state);
 368         }
 369 op_err:
 370         BNX2X_ERR("QCTOR[%d:%d] error: cmd %d, rc %d\n",
 371                   vf->abs_vfid, args->qid, q_params->cmd, vfop->rc);
 372 op_done:
 373         bnx2x_vfop_end(bp, vf, vfop);
 374 op_pending:
 375         return;
 376 }
 377
 378 static int bnx2x_vfop_qctor_cmd(struct bnx2x *bp,
 379                                 struct bnx2x_virtf *vf,
 380                                 struct bnx2x_vfop_cmd *cmd,
 381                                 int qid)
 382 {
 383         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 384
 385         if (vfop) {
 386                 vf->op_params.qctor.qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj);
 387
 388                 vfop->args.qctor.qid = qid;
 389                 vfop->args.qctor.sb_idx = bnx2x_vfq(vf, qid, sb_idx);
 390
 391                 bnx2x_vfop_opset(BNX2X_VFOP_QCTOR_INIT,
 392                                  bnx2x_vfop_qctor, cmd->done);
 393                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qctor,
 394                                              cmd->block);
 395         }
 396         return -ENOMEM;
 397 }
 398
 399 /* VFOP queue destruction */
 400 static void bnx2x_vfop_qdtor(struct bnx2x *bp, struct bnx2x_virtf *vf)
 401 {
 402         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 403         struct bnx2x_vfop_args_qdtor *qdtor = &vfop->args.qdtor;
 404         struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate;
 405         enum bnx2x_vfop_qdtor_state state = vfop->state;
 406
 407         bnx2x_vfop_reset_wq(vf);
 408
 409         if (vfop->rc < 0)
 410                 goto op_err;
 411
 412         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 413
 414         switch (state) {
 415         case BNX2X_VFOP_QDTOR_HALT:
 416
 417                 /* has this queue already been stopped? */
 418                 if (bnx2x_get_q_logical_state(bp, q_params->q_obj) ==
 419                     BNX2X_Q_LOGICAL_STATE_STOPPED) {
 420                         DP(BNX2X_MSG_IOV,
 421                            "Entered qdtor but queue was already stopped. Aborting gracefully\n");
 422
 423                         /* next state */
 424                         vfop->state = BNX2X_VFOP_QDTOR_DONE;
 425
 426                         bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 427                 }
 428
 429                 /* next state */
 430                 vfop->state = BNX2X_VFOP_QDTOR_TERMINATE;
 431
 432                 q_params->cmd = BNX2X_Q_CMD_HALT;
 433                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 434
 435                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 436
 437         case BNX2X_VFOP_QDTOR_TERMINATE:
 438                 /* next state */
 439                 vfop->state = BNX2X_VFOP_QDTOR_CFCDEL;
 440
 441                 q_params->cmd = BNX2X_Q_CMD_TERMINATE;
 442                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 443
 444                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 445
 446         case BNX2X_VFOP_QDTOR_CFCDEL:
 447                 /* next state */
 448                 vfop->state = BNX2X_VFOP_QDTOR_DONE;
 449
 450                 q_params->cmd = BNX2X_Q_CMD_CFC_DEL;
 451                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 452
 453                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 454 op_err:
 455         BNX2X_ERR("QDTOR[%d:%d] error: cmd %d, rc %d\n",
 456                   vf->abs_vfid, qdtor->qid, q_params->cmd, vfop->rc);
 457 op_done:
 458         case BNX2X_VFOP_QDTOR_DONE:
 459                 /* invalidate the context */
 460                 if (qdtor->cxt) {
 461                         qdtor->cxt->ustorm_ag_context.cdu_usage = 0;
 462                         qdtor->cxt->xstorm_ag_context.cdu_reserved = 0;
 463                 }
 464                 bnx2x_vfop_end(bp, vf, vfop);
 465                 return;
 466         default:
 467                 bnx2x_vfop_default(state);
 468         }
 469 op_pending:
 470         return;
 471 }
 472
 473 static int bnx2x_vfop_qdtor_cmd(struct bnx2x *bp,
 474                                 struct bnx2x_virtf *vf,
 475                                 struct bnx2x_vfop_cmd *cmd,
 476                                 int qid)
 477 {
 478         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 479
 480         if (vfop) {
 481                 struct bnx2x_queue_state_params *qstate =
 482                         &vf->op_params.qctor.qstate;
 483
 484                 memset(qstate, 0, sizeof(*qstate));
 485                 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
 486
 487                 vfop->args.qdtor.qid = qid;
 488                 vfop->args.qdtor.cxt = bnx2x_vfq(vf, qid, cxt);
 489
 490                 bnx2x_vfop_opset(BNX2X_VFOP_QDTOR_HALT,
 491                                  bnx2x_vfop_qdtor, cmd->done);
 492                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdtor,
 493                                              cmd->block);
 494         } else {
 495                 BNX2X_ERR("VF[%d] failed to add a vfop\n", vf->abs_vfid);
 496                 return -ENOMEM;
 497         }
 498 }
 499
 500 static void
 501 bnx2x_vf_set_igu_info(struct bnx2x *bp, u8 igu_sb_id, u8 abs_vfid)
 502 {
 503         struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
 504         if (vf) {
 505                 /* the first igu entry belonging to VFs of this PF */
 506                 if (!BP_VFDB(bp)->first_vf_igu_entry)
 507                         BP_VFDB(bp)->first_vf_igu_entry = igu_sb_id;
 508
 509                 /* the first igu entry belonging to this VF */
 510                 if (!vf_sb_count(vf))
 511                         vf->igu_base_id = igu_sb_id;
 512
 513                 ++vf_sb_count(vf);
 514                 ++vf->sb_count;
 515         }
 516         BP_VFDB(bp)->vf_sbs_pool++;
 517 }
 518
 519 /* VFOP MAC/VLAN helpers */
 520 static inline void bnx2x_vfop_credit(struct bnx2x *bp,
 521                                      struct bnx2x_vfop *vfop,
 522                                      struct bnx2x_vlan_mac_obj *obj)
 523 {
 524         struct bnx2x_vfop_args_filters *args = &vfop->args.filters;
 525
 526         /* update credit only if there is no error
 527          * and a valid credit counter
 528          */
 529         if (!vfop->rc && args->credit) {
 530                 struct list_head *pos;
 531                 int read_lock;
 532                 int cnt = 0;
 533
 534                 read_lock = bnx2x_vlan_mac_h_read_lock(bp, obj);
 535                 if (read_lock)
 536                         DP(BNX2X_MSG_SP, "Failed to take vlan mac read head; continuing anyway\n");
 537
 538                 list_for_each(pos, &obj->head)
 539                         cnt++;
 540
 541                 if (!read_lock)
 542                         bnx2x_vlan_mac_h_read_unlock(bp, obj);
 543
 544                 atomic_set(args->credit, cnt);
 545         }
 546 }
 547
 548 static int bnx2x_vfop_set_user_req(struct bnx2x *bp,
 549                                     struct bnx2x_vfop_filter *pos,
 550                                     struct bnx2x_vlan_mac_data *user_req)
 551 {
 552         user_req->cmd = pos->add ? BNX2X_VLAN_MAC_ADD :
 553                 BNX2X_VLAN_MAC_DEL;
 554
 555         switch (pos->type) {
 556         case BNX2X_VFOP_FILTER_MAC:
 557                 memcpy(user_req->u.mac.mac, pos->mac, ETH_ALEN);
 558                 break;
 559         case BNX2X_VFOP_FILTER_VLAN:
 560                 user_req->u.vlan.vlan = pos->vid;
 561                 break;
 562         default:
 563                 BNX2X_ERR("Invalid filter type, skipping\n");
 564                 return 1;
 565         }
 566         return 0;
 567 }
 568
 569 static int bnx2x_vfop_config_list(struct bnx2x *bp,
 570                                   struct bnx2x_vfop_filters *filters,
 571                                   struct bnx2x_vlan_mac_ramrod_params *vlan_mac)
 572 {
 573         struct bnx2x_vfop_filter *pos, *tmp;
 574         struct list_head rollback_list, *filters_list = &filters->head;
 575         struct bnx2x_vlan_mac_data *user_req = &vlan_mac->user_req;
 576         int rc = 0, cnt = 0;
 577
 578         INIT_LIST_HEAD(&rollback_list);
 579
 580         list_for_each_entry_safe(pos, tmp, filters_list, link) {
 581                 if (bnx2x_vfop_set_user_req(bp, pos, user_req))
 582                         continue;
 583
 584                 rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 585                 if (rc >= 0) {
 586                         cnt += pos->add ? 1 : -1;
 587                         list_move(&pos->link, &rollback_list);
 588                         rc = 0;
 589                 } else if (rc == -EEXIST) {
 590                         rc = 0;
 591                 } else {
 592                         BNX2X_ERR("Failed to add a new vlan_mac command\n");
 593                         break;
 594                 }
 595         }
 596
 597         /* rollback if error or too many rules added */
 598         if (rc || cnt > filters->add_cnt) {
 599                 BNX2X_ERR("error or too many rules added. Performing rollback\n");
 600                 list_for_each_entry_safe(pos, tmp, &rollback_list, link) {
 601                         pos->add = !pos->add;   /* reverse op */
 602                         bnx2x_vfop_set_user_req(bp, pos, user_req);
 603                         bnx2x_config_vlan_mac(bp, vlan_mac);
 604                         list_del(&pos->link);
 605                 }
 606                 cnt = 0;
 607                 if (!rc)
 608                         rc = -EINVAL;
 609         }
 610         filters->add_cnt = cnt;
 611         return rc;
 612 }
 613
 614 /* VFOP set VLAN/MAC */
 615 static void bnx2x_vfop_vlan_mac(struct bnx2x *bp, struct bnx2x_virtf *vf)
 616 {
 617         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 618         struct bnx2x_vlan_mac_ramrod_params *vlan_mac = &vfop->op_p->vlan_mac;
 619         struct bnx2x_vlan_mac_obj *obj = vlan_mac->vlan_mac_obj;
 620         struct bnx2x_vfop_filters *filters = vfop->args.filters.multi_filter;
 621
 622         enum bnx2x_vfop_vlan_mac_state state = vfop->state;
 623
 624         if (vfop->rc < 0)
 625                 goto op_err;
 626
 627         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 628
 629         bnx2x_vfop_reset_wq(vf);
 630
 631         switch (state) {
 632         case BNX2X_VFOP_VLAN_MAC_CLEAR:
 633                 /* next state */
 634                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 635
 636                 /* do delete */
 637                 vfop->rc = obj->delete_all(bp, obj,
 638                                            &vlan_mac->user_req.vlan_mac_flags,
 639                                            &vlan_mac->ramrod_flags);
 640
 641                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 642
 643         case BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE:
 644                 /* next state */
 645                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 646
 647                 /* do config */
 648                 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 649                 if (vfop->rc == -EEXIST)
 650                         vfop->rc = 0;
 651
 652                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 653
 654         case BNX2X_VFOP_VLAN_MAC_CHK_DONE:
 655                 vfop->rc = !!obj->raw.check_pending(&obj->raw);
 656                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 657
 658         case BNX2X_VFOP_MAC_CONFIG_LIST:
 659                 /* next state */
 660                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 661
 662                 /* do list config */
 663                 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
 664                 if (vfop->rc)
 665                         goto op_err;
 666
 667                 set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
 668                 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 669                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 670
 671         case BNX2X_VFOP_VLAN_CONFIG_LIST:
 672                 /* next state */
 673                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 674
 675                 /* do list config */
 676                 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
 677                 if (!vfop->rc) {
 678                         set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
 679                         vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 680                 }
 681                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 682
 683         default:
 684                 bnx2x_vfop_default(state);
 685         }
 686 op_err:
 687         BNX2X_ERR("VLAN-MAC error: rc %d\n", vfop->rc);
 688 op_done:
 689         kfree(filters);
 690         bnx2x_vfop_credit(bp, vfop, obj);
 691         bnx2x_vfop_end(bp, vf, vfop);
 692 op_pending:
 693         return;
 694 }
 695
 696 struct bnx2x_vfop_vlan_mac_flags {
 697         bool drv_only;
 698         bool dont_consume;
 699         bool single_cmd;
 700         bool add;
 701 };
 702
 703 static void
 704 bnx2x_vfop_vlan_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
 705                                 struct bnx2x_vfop_vlan_mac_flags *flags)
 706 {
 707         struct bnx2x_vlan_mac_data *ureq = &ramrod->user_req;
 708
 709         memset(ramrod, 0, sizeof(*ramrod));
 710
 711         /* ramrod flags */
 712         if (flags->drv_only)
 713                 set_bit(RAMROD_DRV_CLR_ONLY, &ramrod->ramrod_flags);
 714         if (flags->single_cmd)
 715                 set_bit(RAMROD_EXEC, &ramrod->ramrod_flags);
 716
 717         /* mac_vlan flags */
 718         if (flags->dont_consume)
 719                 set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, &ureq->vlan_mac_flags);
 720
 721         /* cmd */
 722         ureq->cmd = flags->add ? BNX2X_VLAN_MAC_ADD : BNX2X_VLAN_MAC_DEL;
 723 }
 724
 725 static inline void
 726 bnx2x_vfop_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
 727                            struct bnx2x_vfop_vlan_mac_flags *flags)
 728 {
 729         bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, flags);
 730         set_bit(BNX2X_ETH_MAC, &ramrod->user_req.vlan_mac_flags);
 731 }
 732
 733 static int bnx2x_vfop_mac_delall_cmd(struct bnx2x *bp,
 734                                      struct bnx2x_virtf *vf,
 735                                      struct bnx2x_vfop_cmd *cmd,
 736                                      int qid, bool drv_only)
 737 {
 738         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 739
 740         if (vfop) {
 741                 struct bnx2x_vfop_args_filters filters = {
 742                         .multi_filter = NULL,   /* single */
 743                         .credit = NULL,         /* consume credit */
 744                 };
 745                 struct bnx2x_vfop_vlan_mac_flags flags = {
 746                         .drv_only = drv_only,
 747                         .dont_consume = (filters.credit != NULL),
 748                         .single_cmd = true,
 749                         .add = false /* don't care */,
 750                 };
 751                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 752                         &vf->op_params.vlan_mac;
 753
 754                 /* set ramrod params */
 755                 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
 756
 757                 /* set object */
 758                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
 759
 760                 /* set extra args */
 761                 vfop->args.filters = filters;
 762
 763                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
 764                                  bnx2x_vfop_vlan_mac, cmd->done);
 765                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 766                                              cmd->block);
 767         }
 768         return -ENOMEM;
 769 }
 770
 771 int bnx2x_vfop_mac_list_cmd(struct bnx2x *bp,
 772                             struct bnx2x_virtf *vf,
 773                             struct bnx2x_vfop_cmd *cmd,
 774                             struct bnx2x_vfop_filters *macs,
 775                             int qid, bool drv_only)
 776 {
 777         struct bnx2x_vfop *vfop;
 778
 779         if (!bnx2x_validate_vf_sp_objs(bp, vf, true))
 780                         return -EINVAL;
 781
 782         vfop  = bnx2x_vfop_add(bp, vf);
 783         if (vfop) {
 784                 struct bnx2x_vfop_args_filters filters = {
 785                         .multi_filter = macs,
 786                         .credit = NULL,         /* consume credit */
 787                 };
 788                 struct bnx2x_vfop_vlan_mac_flags flags = {
 789                         .drv_only = drv_only,
 790                         .dont_consume = (filters.credit != NULL),
 791                         .single_cmd = false,
 792                         .add = false, /* don't care since only the items in the
 793                                        * filters list affect the sp operation,
 794                                        * not the list itself
 795                                        */
 796                 };
 797                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 798                         &vf->op_params.vlan_mac;
 799
 800                 /* set ramrod params */
 801                 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
 802
 803                 /* set object */
 804                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
 805
 806                 /* set extra args */
 807                 filters.multi_filter->add_cnt = BNX2X_VFOP_FILTER_ADD_CNT_MAX;
 808                 vfop->args.filters = filters;
 809
 810                 bnx2x_vfop_opset(BNX2X_VFOP_MAC_CONFIG_LIST,
 811                                  bnx2x_vfop_vlan_mac, cmd->done);
 812                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 813                                              cmd->block);
 814         }
 815         return -ENOMEM;
 816 }
 817
 818 static int bnx2x_vfop_vlan_set_cmd(struct bnx2x *bp,
 819                                    struct bnx2x_virtf *vf,
 820                                    struct bnx2x_vfop_cmd *cmd,
 821                                    int qid, u16 vid, bool add)
 822 {
 823         struct bnx2x_vfop *vfop;
 824
 825         if (!bnx2x_validate_vf_sp_objs(bp, vf, true))
 826                 return -EINVAL;
 827
 828         vfop  = bnx2x_vfop_add(bp, vf);
 829         if (vfop) {
 830                 struct bnx2x_vfop_args_filters filters = {
 831                         .multi_filter = NULL, /* single command */
 832                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 833                 };
 834                 struct bnx2x_vfop_vlan_mac_flags flags = {
 835                         .drv_only = false,
 836                         .dont_consume = (filters.credit != NULL),
 837                         .single_cmd = true,
 838                         .add = add,
 839                 };
 840                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 841                         &vf->op_params.vlan_mac;
 842
 843                 /* set ramrod params */
 844                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 845                 ramrod->user_req.u.vlan.vlan = vid;
 846
 847                 /* set object */
 848                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 849
 850                 /* set extra args */
 851                 vfop->args.filters = filters;
 852
 853                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE,
 854                                  bnx2x_vfop_vlan_mac, cmd->done);
 855                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 856                                              cmd->block);
 857         }
 858         return -ENOMEM;
 859 }
 860
 861 static int bnx2x_vfop_vlan_delall_cmd(struct bnx2x *bp,
 862                                struct bnx2x_virtf *vf,
 863                                struct bnx2x_vfop_cmd *cmd,
 864                                int qid, bool drv_only)
 865 {
 866         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 867
 868         if (vfop) {
 869                 struct bnx2x_vfop_args_filters filters = {
 870                         .multi_filter = NULL, /* single command */
 871                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 872                 };
 873                 struct bnx2x_vfop_vlan_mac_flags flags = {
 874                         .drv_only = drv_only,
 875                         .dont_consume = (filters.credit != NULL),
 876                         .single_cmd = true,
 877                         .add = false, /* don't care */
 878                 };
 879                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 880                         &vf->op_params.vlan_mac;
 881
 882                 /* set ramrod params */
 883                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 884
 885                 /* set object */
 886                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 887
 888                 /* set extra args */
 889                 vfop->args.filters = filters;
 890
 891                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
 892                                  bnx2x_vfop_vlan_mac, cmd->done);
 893                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 894                                              cmd->block);
 895         }
 896         return -ENOMEM;
 897 }
 898
 899 int bnx2x_vfop_vlan_list_cmd(struct bnx2x *bp,
 900                              struct bnx2x_virtf *vf,
 901                              struct bnx2x_vfop_cmd *cmd,
 902                              struct bnx2x_vfop_filters *vlans,
 903                              int qid, bool drv_only)
 904 {
 905         struct bnx2x_vfop *vfop;
 906
 907         if (!bnx2x_validate_vf_sp_objs(bp, vf, true))
 908                 return -EINVAL;
 909
 910         vfop = bnx2x_vfop_add(bp, vf);
 911         if (vfop) {
 912                 struct bnx2x_vfop_args_filters filters = {
 913                         .multi_filter = vlans,
 914                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 915                 };
 916                 struct bnx2x_vfop_vlan_mac_flags flags = {
 917                         .drv_only = drv_only,
 918                         .dont_consume = (filters.credit != NULL),
 919                         .single_cmd = false,
 920                         .add = false, /* don't care */
 921                 };
 922                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 923                         &vf->op_params.vlan_mac;
 924
 925                 /* set ramrod params */
 926                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 927
 928                 /* set object */
 929                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 930
 931                 /* set extra args */
 932                 filters.multi_filter->add_cnt = vf_vlan_rules_cnt(vf) -
 933                         atomic_read(filters.credit);
 934
 935                 vfop->args.filters = filters;
 936
 937                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_CONFIG_LIST,
 938                                  bnx2x_vfop_vlan_mac, cmd->done);
 939                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 940                                              cmd->block);
 941         }
 942         return -ENOMEM;
 943 }
 944
 945 /* VFOP queue setup (queue constructor + set vlan 0) */
 946 static void bnx2x_vfop_qsetup(struct bnx2x *bp, struct bnx2x_virtf *vf)
 947 {
 948         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 949         int qid = vfop->args.qctor.qid;
 950         enum bnx2x_vfop_qsetup_state state = vfop->state;
 951         struct bnx2x_vfop_cmd cmd = {
 952                 .done = bnx2x_vfop_qsetup,
 953                 .block = false,
 954         };
 955
 956         if (vfop->rc < 0)
 957                 goto op_err;
 958
 959         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 960
 961         switch (state) {
 962         case BNX2X_VFOP_QSETUP_CTOR:
 963                 /* init the queue ctor command */
 964                 vfop->state = BNX2X_VFOP_QSETUP_VLAN0;
 965                 vfop->rc = bnx2x_vfop_qctor_cmd(bp, vf, &cmd, qid);
 966                 if (vfop->rc)
 967                         goto op_err;
 968                 return;
 969
 970         case BNX2X_VFOP_QSETUP_VLAN0:
 971                 /* skip if non-leading or FPGA/EMU*/
 972                 if (qid)
 973                         goto op_done;
 974
 975                 /* init the queue set-vlan command (for vlan 0) */
 976                 vfop->state = BNX2X_VFOP_QSETUP_DONE;
 977                 vfop->rc = bnx2x_vfop_vlan_set_cmd(bp, vf, &cmd, qid, 0, true);
 978                 if (vfop->rc)
 979                         goto op_err;
 980                 return;
 981 op_err:
 982         BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf->abs_vfid, qid, vfop->rc);
 983 op_done:
 984         case BNX2X_VFOP_QSETUP_DONE:
 985                 vf->cfg_flags |= VF_CFG_VLAN;
 986                 smp_mb__before_clear_bit();
 987                 set_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN,
 988                         &bp->sp_rtnl_state);
 989                 smp_mb__after_clear_bit();
 990                 schedule_delayed_work(&bp->sp_rtnl_task, 0);
 991                 bnx2x_vfop_end(bp, vf, vfop);
 992                 return;
 993         default:
 994                 bnx2x_vfop_default(state);
 995         }
 996 }
 997
 998 int bnx2x_vfop_qsetup_cmd(struct bnx2x *bp,
 999                           struct bnx2x_virtf *vf,
1000                           struct bnx2x_vfop_cmd *cmd,
1001                           int qid)
1002 {
1003         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1004
1005         if (vfop) {
1006                 vfop->args.qctor.qid = qid;
1007
1008                 bnx2x_vfop_opset(BNX2X_VFOP_QSETUP_CTOR,
1009                                  bnx2x_vfop_qsetup, cmd->done);
1010                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qsetup,
1011                                              cmd->block);
1012         }
1013         return -ENOMEM;
1014 }
1015
1016 /* VFOP queue FLR handling (clear vlans, clear macs, queue destructor) */
1017 static void bnx2x_vfop_qflr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1018 {
1019         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1020         int qid = vfop->args.qx.qid;
1021         enum bnx2x_vfop_qflr_state state = vfop->state;
1022         struct bnx2x_queue_state_params *qstate;
1023         struct bnx2x_vfop_cmd cmd;
1024
1025         bnx2x_vfop_reset_wq(vf);
1026
1027         if (vfop->rc < 0)
1028                 goto op_err;
1029
1030         DP(BNX2X_MSG_IOV, "VF[%d] STATE: %d\n", vf->abs_vfid, state);
1031
1032         cmd.done = bnx2x_vfop_qflr;
1033         cmd.block = false;
1034
1035         switch (state) {
1036         case BNX2X_VFOP_QFLR_CLR_VLAN:
1037                 /* vlan-clear-all: driver-only, don't consume credit */
1038                 vfop->state = BNX2X_VFOP_QFLR_CLR_MAC;
1039
1040                 /* the vlan_mac vfop will re-schedule us */
1041                 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, true);
1042                 if (vfop->rc)
1043                         goto op_err;
1044                 return;
1045
1046         case BNX2X_VFOP_QFLR_CLR_MAC:
1047                 /* mac-clear-all: driver only consume credit */
1048                 vfop->state = BNX2X_VFOP_QFLR_TERMINATE;
1049                 /* the vlan_mac vfop will re-schedule us */
1050                 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, true);
1051                 if (vfop->rc)
1052                         goto op_err;
1053                 return;
1054
1055         case BNX2X_VFOP_QFLR_TERMINATE:
1056                 qstate = &vfop->op_p->qctor.qstate;
1057                 memset(qstate , 0, sizeof(*qstate));
1058                 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
1059                 vfop->state = BNX2X_VFOP_QFLR_DONE;
1060
1061                 DP(BNX2X_MSG_IOV, "VF[%d] qstate during flr was %d\n",
1062                    vf->abs_vfid, qstate->q_obj->state);
1063
1064                 if (qstate->q_obj->state != BNX2X_Q_STATE_RESET) {
1065                         qstate->q_obj->state = BNX2X_Q_STATE_STOPPED;
1066                         qstate->cmd = BNX2X_Q_CMD_TERMINATE;
1067                         vfop->rc = bnx2x_queue_state_change(bp, qstate);
1068                         bnx2x_vfop_finalize(vf, vfop->rc, VFOP_VERIFY_PEND);
1069                 } else {
1070                         goto op_done;
1071                 }
1072
1073 op_err:
1074         BNX2X_ERR("QFLR[%d:%d] error: rc %d\n",
1075                   vf->abs_vfid, qid, vfop->rc);
1076 op_done:
1077         case BNX2X_VFOP_QFLR_DONE:
1078                 bnx2x_vfop_end(bp, vf, vfop);
1079                 return;
1080         default:
1081                 bnx2x_vfop_default(state);
1082         }
1083 op_pending:
1084         return;
1085 }
1086
1087 static int bnx2x_vfop_qflr_cmd(struct bnx2x *bp,
1088                                struct bnx2x_virtf *vf,
1089                                struct bnx2x_vfop_cmd *cmd,
1090                                int qid)
1091 {
1092         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1093
1094         if (vfop) {
1095                 vfop->args.qx.qid = qid;
1096                 if ((qid == LEADING_IDX) &&
1097                     bnx2x_validate_vf_sp_objs(bp, vf, false))
1098                         bnx2x_vfop_opset(BNX2X_VFOP_QFLR_CLR_VLAN,
1099                                          bnx2x_vfop_qflr, cmd->done);
1100                 else
1101                         bnx2x_vfop_opset(BNX2X_VFOP_QFLR_TERMINATE,
1102                                          bnx2x_vfop_qflr, cmd->done);
1103                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qflr,
1104                                              cmd->block);
1105         }
1106         return -ENOMEM;
1107 }
1108
1109 /* VFOP multi-casts */
1110 static void bnx2x_vfop_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf)
1111 {
1112         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1113         struct bnx2x_mcast_ramrod_params *mcast = &vfop->op_p->mcast;
1114         struct bnx2x_raw_obj *raw = &mcast->mcast_obj->raw;
1115         struct bnx2x_vfop_args_mcast *args = &vfop->args.mc_list;
1116         enum bnx2x_vfop_mcast_state state = vfop->state;
1117         int i;
1118
1119         bnx2x_vfop_reset_wq(vf);
1120
1121         if (vfop->rc < 0)
1122                 goto op_err;
1123
1124         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1125
1126         switch (state) {
1127         case BNX2X_VFOP_MCAST_DEL:
1128                 /* clear existing mcasts */
1129                 vfop->state = (args->mc_num) ? BNX2X_VFOP_MCAST_ADD
1130                                              : BNX2X_VFOP_MCAST_CHK_DONE;
1131                 mcast->mcast_list_len = vf->mcast_list_len;
1132                 vf->mcast_list_len = args->mc_num;
1133                 vfop->rc = bnx2x_config_mcast(bp, mcast, BNX2X_MCAST_CMD_DEL);
1134                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1135
1136         case BNX2X_VFOP_MCAST_ADD:
1137                 if (raw->check_pending(raw))
1138                         goto op_pending;
1139
1140                 /* update mcast list on the ramrod params */
1141                 INIT_LIST_HEAD(&mcast->mcast_list);
1142                 for (i = 0; i < args->mc_num; i++)
1143                         list_add_tail(&(args->mc[i].link),
1144                                       &mcast->mcast_list);
1145                 mcast->mcast_list_len = args->mc_num;
1146
1147                 /* add new mcasts */
1148                 vfop->state = BNX2X_VFOP_MCAST_CHK_DONE;
1149                 vfop->rc = bnx2x_config_mcast(bp, mcast,
1150                                               BNX2X_MCAST_CMD_ADD);
1151                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1152
1153         case BNX2X_VFOP_MCAST_CHK_DONE:
1154                 vfop->rc = raw->check_pending(raw) ? 1 : 0;
1155                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1156         default:
1157                 bnx2x_vfop_default(state);
1158         }
1159 op_err:
1160         BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop->rc);
1161 op_done:
1162         kfree(args->mc);
1163         bnx2x_vfop_end(bp, vf, vfop);
1164 op_pending:
1165         return;
1166 }
1167
1168 int bnx2x_vfop_mcast_cmd(struct bnx2x *bp,
1169                          struct bnx2x_virtf *vf,
1170                          struct bnx2x_vfop_cmd *cmd,
1171                          bnx2x_mac_addr_t *mcasts,
1172                          int mcast_num, bool drv_only)
1173 {
1174         struct bnx2x_vfop *vfop = NULL;
1175         size_t mc_sz = mcast_num * sizeof(struct bnx2x_mcast_list_elem);
1176         struct bnx2x_mcast_list_elem *mc = mc_sz ? kzalloc(mc_sz, GFP_KERNEL) :
1177                                            NULL;
1178
1179         if (!mc_sz || mc) {
1180                 vfop = bnx2x_vfop_add(bp, vf);
1181                 if (vfop) {
1182                         int i;
1183                         struct bnx2x_mcast_ramrod_params *ramrod =
1184                                 &vf->op_params.mcast;
1185
1186                         /* set ramrod params */
1187                         memset(ramrod, 0, sizeof(*ramrod));
1188                         ramrod->mcast_obj = &vf->mcast_obj;
1189                         if (drv_only)
1190                                 set_bit(RAMROD_DRV_CLR_ONLY,
1191                                         &ramrod->ramrod_flags);
1192
1193                         /* copy mcasts pointers */
1194                         vfop->args.mc_list.mc_num = mcast_num;
1195                         vfop->args.mc_list.mc = mc;
1196                         for (i = 0; i < mcast_num; i++)
1197                                 mc[i].mac = mcasts[i];
1198
1199                         bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL,
1200                                          bnx2x_vfop_mcast, cmd->done);
1201                         return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mcast,
1202                                                      cmd->block);
1203                 } else {
1204                         kfree(mc);
1205                 }
1206         }
1207         return -ENOMEM;
1208 }
1209
1210 /* VFOP rx-mode */
1211 static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf)
1212 {
1213         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1214         struct bnx2x_rx_mode_ramrod_params *ramrod = &vfop->op_p->rx_mode;
1215         enum bnx2x_vfop_rxmode_state state = vfop->state;
1216
1217         bnx2x_vfop_reset_wq(vf);
1218
1219         if (vfop->rc < 0)
1220                 goto op_err;
1221
1222         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1223
1224         switch (state) {
1225         case BNX2X_VFOP_RXMODE_CONFIG:
1226                 /* next state */
1227                 vfop->state = BNX2X_VFOP_RXMODE_DONE;
1228
1229                 /* record the accept flags in vfdb so hypervisor can modify them
1230                  * if necessary
1231                  */
1232                 bnx2x_vfq(vf, ramrod->cl_id - vf->igu_base_id, accept_flags) =
1233                         ramrod->rx_accept_flags;
1234                 vfop->rc = bnx2x_config_rx_mode(bp, ramrod);
1235                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1236 op_err:
1237                 BNX2X_ERR("RXMODE error: rc %d\n", vfop->rc);
1238 op_done:
1239         case BNX2X_VFOP_RXMODE_DONE:
1240                 bnx2x_vfop_end(bp, vf, vfop);
1241                 return;
1242         default:
1243                 bnx2x_vfop_default(state);
1244         }
1245 op_pending:
1246         return;
1247 }
1248
1249 static void bnx2x_vf_prep_rx_mode(struct bnx2x *bp, u8 qid,
1250                                   struct bnx2x_rx_mode_ramrod_params *ramrod,
1251                                   struct bnx2x_virtf *vf,
1252                                   unsigned long accept_flags)
1253 {
1254         struct bnx2x_vf_queue *vfq = vfq_get(vf, qid);
1255
1256         memset(ramrod, 0, sizeof(*ramrod));
1257         ramrod->cid = vfq->cid;
1258         ramrod->cl_id = vfq_cl_id(vf, vfq);
1259         ramrod->rx_mode_obj = &bp->rx_mode_obj;
1260         ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid);
1261         ramrod->rx_accept_flags = accept_flags;
1262         ramrod->tx_accept_flags = accept_flags;
1263         ramrod->pstate = &vf->filter_state;
1264         ramrod->state = BNX2X_FILTER_RX_MODE_PENDING;
1265
1266         set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
1267         set_bit(RAMROD_RX, &ramrod->ramrod_flags);
1268         set_bit(RAMROD_TX, &ramrod->ramrod_flags);
1269
1270         ramrod->rdata = bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2);
1271         ramrod->rdata_mapping = bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2);
1272 }
1273
1274 int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp,
1275                           struct bnx2x_virtf *vf,
1276                           struct bnx2x_vfop_cmd *cmd,
1277                           int qid, unsigned long accept_flags)
1278 {
1279         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1280
1281         if (vfop) {
1282                 struct bnx2x_rx_mode_ramrod_params *ramrod =
1283                         &vf->op_params.rx_mode;
1284
1285                 bnx2x_vf_prep_rx_mode(bp, qid, ramrod, vf, accept_flags);
1286
1287                 bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG,
1288                                  bnx2x_vfop_rxmode, cmd->done);
1289                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rxmode,
1290                                              cmd->block);
1291         }
1292         return -ENOMEM;
1293 }
1294
1295 /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs,
1296  * queue destructor)
1297  */
1298 static void bnx2x_vfop_qdown(struct bnx2x *bp, struct bnx2x_virtf *vf)
1299 {
1300         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1301         int qid = vfop->args.qx.qid;
1302         enum bnx2x_vfop_qteardown_state state = vfop->state;
1303         struct bnx2x_vfop_cmd cmd;
1304
1305         if (vfop->rc < 0)
1306                 goto op_err;
1307
1308         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1309
1310         cmd.done = bnx2x_vfop_qdown;
1311         cmd.block = false;
1312
1313         switch (state) {
1314         case BNX2X_VFOP_QTEARDOWN_RXMODE:
1315                 /* Drop all */
1316                 if (bnx2x_validate_vf_sp_objs(bp, vf, true))
1317                         vfop->state =  BNX2X_VFOP_QTEARDOWN_CLR_VLAN;
1318                 else
1319                         vfop->state = BNX2X_VFOP_QTEARDOWN_QDTOR;
1320                 vfop->rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, qid, 0);
1321                 if (vfop->rc)
1322                         goto op_err;
1323                 return;
1324
1325         case BNX2X_VFOP_QTEARDOWN_CLR_VLAN:
1326                 /* vlan-clear-all: don't consume credit */
1327                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MAC;
1328                 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, false);
1329                 if (vfop->rc)
1330                         goto op_err;
1331                 return;
1332
1333         case BNX2X_VFOP_QTEARDOWN_CLR_MAC:
1334                 /* mac-clear-all: consume credit */
1335                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MCAST;
1336                 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, false);
1337                 if (vfop->rc)
1338                         goto op_err;
1339                 return;
1340
1341         case BNX2X_VFOP_QTEARDOWN_CLR_MCAST:
1342                 vfop->state = BNX2X_VFOP_QTEARDOWN_QDTOR;
1343                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, 0, false);
1344                 if (vfop->rc)
1345                         goto op_err;
1346                 return;
1347
1348         case BNX2X_VFOP_QTEARDOWN_QDTOR:
1349                 /* run the queue destruction flow */
1350                 DP(BNX2X_MSG_IOV, "case: BNX2X_VFOP_QTEARDOWN_QDTOR\n");
1351                 vfop->state = BNX2X_VFOP_QTEARDOWN_DONE;
1352                 DP(BNX2X_MSG_IOV, "new state: BNX2X_VFOP_QTEARDOWN_DONE\n");
1353                 vfop->rc = bnx2x_vfop_qdtor_cmd(bp, vf, &cmd, qid);
1354                 DP(BNX2X_MSG_IOV, "returned from cmd\n");
1355                 if (vfop->rc)
1356                         goto op_err;
1357                 return;
1358 op_err:
1359         BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n",
1360                   vf->abs_vfid, qid, vfop->rc);
1361
1362         case BNX2X_VFOP_QTEARDOWN_DONE:
1363                 bnx2x_vfop_end(bp, vf, vfop);
1364                 return;
1365         default:
1366                 bnx2x_vfop_default(state);
1367         }
1368 }
1369
1370 int bnx2x_vfop_qdown_cmd(struct bnx2x *bp,
1371                          struct bnx2x_virtf *vf,
1372                          struct bnx2x_vfop_cmd *cmd,
1373                          int qid)
1374 {
1375         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1376
1377         /* for non leading queues skip directly to qdown sate */
1378         if (vfop) {
1379                 vfop->args.qx.qid = qid;
1380                 bnx2x_vfop_opset(qid == LEADING_IDX ?
1381                                  BNX2X_VFOP_QTEARDOWN_RXMODE :
1382                                  BNX2X_VFOP_QTEARDOWN_QDTOR, bnx2x_vfop_qdown,
1383                                  cmd->done);
1384                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdown,
1385                                              cmd->block);
1386         }
1387
1388         return -ENOMEM;
1389 }
1390
1391 /* VF enable primitives
1392  * when pretend is required the caller is responsible
1393  * for calling pretend prior to calling these routines
1394  */
1395
1396 /* internal vf enable - until vf is enabled internally all transactions
1397  * are blocked. This routine should always be called last with pretend.
1398  */
1399 static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable)
1400 {
1401         REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0);
1402 }
1403
1404 /* clears vf error in all semi blocks */
1405 static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid)
1406 {
1407         REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid);
1408         REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid);
1409         REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid);
1410         REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid);
1411 }
1412
1413 static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid)
1414 {
1415         u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5;
1416         u32 was_err_reg = 0;
1417
1418         switch (was_err_group) {
1419         case 0:
1420             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR;
1421             break;
1422         case 1:
1423             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR;
1424             break;
1425         case 2:
1426             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR;
1427             break;
1428         case 3:
1429             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR;
1430             break;
1431         }
1432         REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f));
1433 }
1434
1435 static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf)
1436 {
1437         int i;
1438         u32 val;
1439
1440         /* Set VF masks and configuration - pretend */
1441         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1442
1443         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
1444         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
1445         REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
1446         REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
1447         REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
1448         REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
1449
1450         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
1451         val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN);
1452         if (vf->cfg_flags & VF_CFG_INT_SIMD)
1453                 val |= IGU_VF_CONF_SINGLE_ISR_EN;
1454         val &= ~IGU_VF_CONF_PARENT_MASK;
1455         val |= (BP_ABS_FUNC(bp) >> 1) << IGU_VF_CONF_PARENT_SHIFT;
1456         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
1457
1458         DP(BNX2X_MSG_IOV,
1459            "value in IGU_REG_VF_CONFIGURATION of vf %d after write is 0x%08x\n",
1460            vf->abs_vfid, val);
1461
1462         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1463
1464         /* iterate over all queues, clear sb consumer */
1465         for (i = 0; i < vf_sb_count(vf); i++) {
1466                 u8 igu_sb_id = vf_igu_sb(vf, i);
1467
1468                 /* zero prod memory */
1469                 REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0);
1470
1471                 /* clear sb state machine */
1472                 bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id,
1473                                        false /* VF */);
1474
1475                 /* disable + update */
1476                 bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0,
1477                                     IGU_INT_DISABLE, 1);
1478         }
1479 }
1480
1481 void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid)
1482 {
1483         /* set the VF-PF association in the FW */
1484         storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp));
1485         storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1);
1486
1487         /* clear vf errors*/
1488         bnx2x_vf_semi_clear_err(bp, abs_vfid);
1489         bnx2x_vf_pglue_clear_err(bp, abs_vfid);
1490
1491         /* internal vf-enable - pretend */
1492         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid));
1493         DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid);
1494         bnx2x_vf_enable_internal(bp, true);
1495         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1496 }
1497
1498 static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf)
1499 {
1500         /* Reset vf in IGU  interrupts are still disabled */
1501         bnx2x_vf_igu_reset(bp, vf);
1502
1503         /* pretend to enable the vf with the PBF */
1504         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1505         REG_WR(bp, PBF_REG_DISABLE_VF, 0);
1506         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1507 }
1508
1509 static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid)
1510 {
1511         struct pci_dev *dev;
1512         struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
1513
1514         if (!vf)
1515                 return false;
1516
1517         dev = pci_get_bus_and_slot(vf->bus, vf->devfn);
1518         if (dev)
1519                 return bnx2x_is_pcie_pending(dev);
1520         return false;
1521 }
1522
1523 int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid)
1524 {
1525         /* Verify no pending pci transactions */
1526         if (bnx2x_vf_is_pcie_pending(bp, abs_vfid))
1527                 BNX2X_ERR("PCIE Transactions still pending\n");
1528
1529         return 0;
1530 }
1531
1532 /* must be called after the number of PF queues and the number of VFs are
1533  * both known
1534  */
1535 static void
1536 bnx2x_iov_static_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1537 {
1538         struct vf_pf_resc_request *resc = &vf->alloc_resc;
1539         u16 vlan_count = 0;
1540
1541         /* will be set only during VF-ACQUIRE */
1542         resc->num_rxqs = 0;
1543         resc->num_txqs = 0;
1544
1545         /* no credit calculations for macs (just yet) */
1546         resc->num_mac_filters = 1;
1547
1548         /* divvy up vlan rules */
1549         vlan_count = bp->vlans_pool.check(&bp->vlans_pool);
1550         vlan_count = 1 << ilog2(vlan_count);
1551         resc->num_vlan_filters = vlan_count / BNX2X_NR_VIRTFN(bp);
1552
1553         /* no real limitation */
1554         resc->num_mc_filters = 0;
1555
1556         /* num_sbs already set */
1557         resc->num_sbs = vf->sb_count;
1558 }
1559
1560 /* FLR routines: */
1561 static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1562 {
1563         /* reset the state variables */
1564         bnx2x_iov_static_resc(bp, vf);
1565         vf->state = VF_FREE;
1566 }
1567
1568 static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf)
1569 {
1570         u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1571
1572         /* DQ usage counter */
1573         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1574         bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT,
1575                                         "DQ VF usage counter timed out",
1576                                         poll_cnt);
1577         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1578
1579         /* FW cleanup command - poll for the results */
1580         if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid),
1581                                    poll_cnt))
1582                 BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid);
1583
1584         /* verify TX hw is flushed */
1585         bnx2x_tx_hw_flushed(bp, poll_cnt);
1586 }
1587
1588 static void bnx2x_vfop_flr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1589 {
1590         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1591         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
1592         enum bnx2x_vfop_flr_state state = vfop->state;
1593         struct bnx2x_vfop_cmd cmd = {
1594                 .done = bnx2x_vfop_flr,
1595                 .block = false,
1596         };
1597
1598         if (vfop->rc < 0)
1599                 goto op_err;
1600
1601         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1602
1603         switch (state) {
1604         case BNX2X_VFOP_FLR_QUEUES:
1605                 /* the cleanup operations are valid if and only if the VF
1606                  * was first acquired.
1607                  */
1608                 if (++(qx->qid) < vf_rxq_count(vf)) {
1609                         vfop->rc = bnx2x_vfop_qflr_cmd(bp, vf, &cmd,
1610                                                        qx->qid);
1611                         if (vfop->rc)
1612                                 goto op_err;
1613                         return;
1614                 }
1615                 /* remove multicasts */
1616                 vfop->state = BNX2X_VFOP_FLR_HW;
1617                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL,
1618                                                 0, true);
1619                 if (vfop->rc)
1620                         goto op_err;
1621                 return;
1622         case BNX2X_VFOP_FLR_HW:
1623
1624                 /* dispatch final cleanup and wait for HW queues to flush */
1625                 bnx2x_vf_flr_clnup_hw(bp, vf);
1626
1627                 /* release VF resources */
1628                 bnx2x_vf_free_resc(bp, vf);
1629
1630                 /* re-open the mailbox */
1631                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
1632
1633                 goto op_done;
1634         default:
1635                 bnx2x_vfop_default(state);
1636         }
1637 op_err:
1638         BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf->abs_vfid, vfop->rc);
1639 op_done:
1640         vf->flr_clnup_stage = VF_FLR_ACK;
1641         bnx2x_vfop_end(bp, vf, vfop);
1642         bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1643 }
1644
1645 static int bnx2x_vfop_flr_cmd(struct bnx2x *bp,
1646                               struct bnx2x_virtf *vf,
1647                               vfop_handler_t done)
1648 {
1649         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1650         if (vfop) {
1651                 vfop->args.qx.qid = -1; /* loop */
1652                 bnx2x_vfop_opset(BNX2X_VFOP_FLR_QUEUES,
1653                                  bnx2x_vfop_flr, done);
1654                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_flr, false);
1655         }
1656         return -ENOMEM;
1657 }
1658
1659 static void bnx2x_vf_flr_clnup(struct bnx2x *bp, struct bnx2x_virtf *prev_vf)
1660 {
1661         int i = prev_vf ? prev_vf->index + 1 : 0;
1662         struct bnx2x_virtf *vf;
1663
1664         /* find next VF to cleanup */
1665 next_vf_to_clean:
1666         for (;
1667              i < BNX2X_NR_VIRTFN(bp) &&
1668              (bnx2x_vf(bp, i, state) != VF_RESET ||
1669               bnx2x_vf(bp, i, flr_clnup_stage) != VF_FLR_CLN);
1670              i++)
1671                 ;
1672
1673         DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. Num of vfs: %d\n", i,
1674            BNX2X_NR_VIRTFN(bp));
1675
1676         if (i < BNX2X_NR_VIRTFN(bp)) {
1677                 vf = BP_VF(bp, i);
1678
1679                 /* lock the vf pf channel */
1680                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1681
1682                 /* invoke the VF FLR SM */
1683                 if (bnx2x_vfop_flr_cmd(bp, vf, bnx2x_vf_flr_clnup)) {
1684                         BNX2X_ERR("VF[%d]: FLR cleanup failed -ENOMEM\n",
1685                                   vf->abs_vfid);
1686
1687                         /* mark the VF to be ACKED and continue */
1688                         vf->flr_clnup_stage = VF_FLR_ACK;
1689                         goto next_vf_to_clean;
1690                 }
1691                 return;
1692         }
1693
1694         /* we are done, update vf records */
1695         for_each_vf(bp, i) {
1696                 vf = BP_VF(bp, i);
1697
1698                 if (vf->flr_clnup_stage != VF_FLR_ACK)
1699                         continue;
1700
1701                 vf->flr_clnup_stage = VF_FLR_EPILOG;
1702         }
1703
1704         /* Acknowledge the handled VFs.
1705          * we are acknowledge all the vfs which an flr was requested for, even
1706          * if amongst them there are such that we never opened, since the mcp
1707          * will interrupt us immediately again if we only ack some of the bits,
1708          * resulting in an endless loop. This can happen for example in KVM
1709          * where an 'all ones' flr request is sometimes given by hyper visor
1710          */
1711         DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n",
1712            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1713         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1714                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i],
1715                           bp->vfdb->flrd_vfs[i]);
1716
1717         bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0);
1718
1719         /* clear the acked bits - better yet if the MCP implemented
1720          * write to clear semantics
1721          */
1722         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1723                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0);
1724 }
1725
1726 void bnx2x_vf_handle_flr_event(struct bnx2x *bp)
1727 {
1728         int i;
1729
1730         /* Read FLR'd VFs */
1731         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1732                 bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]);
1733
1734         DP(BNX2X_MSG_MCP,
1735            "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n",
1736            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1737
1738         for_each_vf(bp, i) {
1739                 struct bnx2x_virtf *vf = BP_VF(bp, i);
1740                 u32 reset = 0;
1741
1742                 if (vf->abs_vfid < 32)
1743                         reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid);
1744                 else
1745                         reset = bp->vfdb->flrd_vfs[1] &
1746                                 (1 << (vf->abs_vfid - 32));
1747
1748                 if (reset) {
1749                         /* set as reset and ready for cleanup */
1750                         vf->state = VF_RESET;
1751                         vf->flr_clnup_stage = VF_FLR_CLN;
1752
1753                         DP(BNX2X_MSG_IOV,
1754                            "Initiating Final cleanup for VF %d\n",
1755                            vf->abs_vfid);
1756                 }
1757         }
1758
1759         /* do the FLR cleanup for all marked VFs*/
1760         bnx2x_vf_flr_clnup(bp, NULL);
1761 }
1762
1763 /* IOV global initialization routines  */
1764 void bnx2x_iov_init_dq(struct bnx2x *bp)
1765 {
1766         if (!IS_SRIOV(bp))
1767                 return;
1768
1769         /* Set the DQ such that the CID reflect the abs_vfid */
1770         REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0);
1771         REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS));
1772
1773         /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to
1774          * the PF L2 queues
1775          */
1776         REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID);
1777
1778         /* The VF window size is the log2 of the max number of CIDs per VF */
1779         REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND);
1780
1781         /* The VF doorbell size  0 - *B, 4 - 128B. We set it here to match
1782          * the Pf doorbell size although the 2 are independent.
1783          */
1784         REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST, 3);
1785
1786         /* No security checks for now -
1787          * configure single rule (out of 16) mask = 0x1, value = 0x0,
1788          * CID range 0 - 0x1ffff
1789          */
1790         REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1);
1791         REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0);
1792         REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0);
1793         REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff);
1794
1795         /* set the VF doorbell threshold */
1796         REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4);
1797 }
1798
1799 void bnx2x_iov_init_dmae(struct bnx2x *bp)
1800 {
1801         if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV))
1802                 REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
1803 }
1804
1805 static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
1806 {
1807         struct pci_dev *dev = bp->pdev;
1808         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1809
1810         return dev->bus->number + ((dev->devfn + iov->offset +
1811                                     iov->stride * vfid) >> 8);
1812 }
1813
1814 static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid)
1815 {
1816         struct pci_dev *dev = bp->pdev;
1817         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1818
1819         return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff;
1820 }
1821
1822 static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf)
1823 {
1824         int i, n;
1825         struct pci_dev *dev = bp->pdev;
1826         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1827
1828         for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) {
1829                 u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i);
1830                 u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i);
1831
1832                 size /= iov->total;
1833                 vf->bars[n].bar = start + size * vf->abs_vfid;
1834                 vf->bars[n].size = size;
1835         }
1836 }
1837
1838 static int bnx2x_ari_enabled(struct pci_dev *dev)
1839 {
1840         return dev->bus->self && dev->bus->self->ari_enabled;
1841 }
1842
1843 static void
1844 bnx2x_get_vf_igu_cam_info(struct bnx2x *bp)
1845 {
1846         int sb_id;
1847         u32 val;
1848         u8 fid, current_pf = 0;
1849
1850         /* IGU in normal mode - read CAM */
1851         for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) {
1852                 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4);
1853                 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
1854                         continue;
1855                 fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID);
1856                 if (fid & IGU_FID_ENCODE_IS_PF)
1857                         current_pf = fid & IGU_FID_PF_NUM_MASK;
1858                 else if (current_pf == BP_FUNC(bp))
1859                         bnx2x_vf_set_igu_info(bp, sb_id,
1860                                               (fid & IGU_FID_VF_NUM_MASK));
1861                 DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n",
1862                    ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"),
1863                    ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) :
1864                    (fid & IGU_FID_VF_NUM_MASK)), sb_id,
1865                    GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR));
1866         }
1867         DP(BNX2X_MSG_IOV, "vf_sbs_pool is %d\n", BP_VFDB(bp)->vf_sbs_pool);
1868 }
1869
1870 static void __bnx2x_iov_free_vfdb(struct bnx2x *bp)
1871 {
1872         if (bp->vfdb) {
1873                 kfree(bp->vfdb->vfqs);
1874                 kfree(bp->vfdb->vfs);
1875                 kfree(bp->vfdb);
1876         }
1877         bp->vfdb = NULL;
1878 }
1879
1880 static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1881 {
1882         int pos;
1883         struct pci_dev *dev = bp->pdev;
1884
1885         pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
1886         if (!pos) {
1887                 BNX2X_ERR("failed to find SRIOV capability in device\n");
1888                 return -ENODEV;
1889         }
1890
1891         iov->pos = pos;
1892         DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos);
1893         pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
1894         pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total);
1895         pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial);
1896         pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
1897         pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
1898         pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
1899         pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap);
1900         pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
1901
1902         return 0;
1903 }
1904
1905 static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1906 {
1907         u32 val;
1908
1909         /* read the SRIOV capability structure
1910          * The fields can be read via configuration read or
1911          * directly from the device (starting at offset PCICFG_OFFSET)
1912          */
1913         if (bnx2x_sriov_pci_cfg_info(bp, iov))
1914                 return -ENODEV;
1915
1916         /* get the number of SRIOV bars */
1917         iov->nres = 0;
1918
1919         /* read the first_vfid */
1920         val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF);
1921         iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK)
1922                                * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp));
1923
1924         DP(BNX2X_MSG_IOV,
1925            "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",
1926            BP_FUNC(bp),
1927            iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total,
1928            iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
1929
1930         return 0;
1931 }
1932
1933 /* must be called after PF bars are mapped */
1934 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
1935                        int num_vfs_param)
1936 {
1937         int err, i;
1938         struct bnx2x_sriov *iov;
1939         struct pci_dev *dev = bp->pdev;
1940
1941         bp->vfdb = NULL;
1942
1943         /* verify is pf */
1944         if (IS_VF(bp))
1945                 return 0;
1946
1947         /* verify sriov capability is present in configuration space */
1948         if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV))
1949                 return 0;
1950
1951         /* verify chip revision */
1952         if (CHIP_IS_E1x(bp))
1953                 return 0;
1954
1955         /* check if SRIOV support is turned off */
1956         if (!num_vfs_param)
1957                 return 0;
1958
1959         /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */
1960         if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) {
1961                 BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n",
1962                           BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID);
1963                 return 0;
1964         }
1965
1966         /* SRIOV can be enabled only with MSIX */
1967         if (int_mode_param == BNX2X_INT_MODE_MSI ||
1968             int_mode_param == BNX2X_INT_MODE_INTX) {
1969                 BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n");
1970                 return 0;
1971         }
1972
1973         err = -EIO;
1974         /* verify ari is enabled */
1975         if (!bnx2x_ari_enabled(bp->pdev)) {
1976                 BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n");
1977                 return 0;
1978         }
1979
1980         /* verify igu is in normal mode */
1981         if (CHIP_INT_MODE_IS_BC(bp)) {
1982                 BNX2X_ERR("IGU not normal mode,  SRIOV can not be enabled\n");
1983                 return 0;
1984         }
1985
1986         /* allocate the vfs database */
1987         bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL);
1988         if (!bp->vfdb) {
1989                 BNX2X_ERR("failed to allocate vf database\n");
1990                 err = -ENOMEM;
1991                 goto failed;
1992         }
1993
1994         /* get the sriov info - Linux already collected all the pertinent
1995          * information, however the sriov structure is for the private use
1996          * of the pci module. Also we want this information regardless
1997          * of the hyper-visor.
1998          */
1999         iov = &(bp->vfdb->sriov);
2000         err = bnx2x_sriov_info(bp, iov);
2001         if (err)
2002                 goto failed;
2003
2004         /* SR-IOV capability was enabled but there are no VFs*/
2005         if (iov->total == 0)
2006                 goto failed;
2007
2008         iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param);
2009
2010         DP(BNX2X_MSG_IOV, "num_vfs_param was %d, nr_virtfn was %d\n",
2011            num_vfs_param, iov->nr_virtfn);
2012
2013         /* allocate the vf array */
2014         bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) *
2015                                 BNX2X_NR_VIRTFN(bp), GFP_KERNEL);
2016         if (!bp->vfdb->vfs) {
2017                 BNX2X_ERR("failed to allocate vf array\n");
2018                 err = -ENOMEM;
2019                 goto failed;
2020         }
2021
2022         /* Initial VF init - index and abs_vfid - nr_virtfn must be set */
2023         for_each_vf(bp, i) {
2024                 bnx2x_vf(bp, i, index) = i;
2025                 bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i;
2026                 bnx2x_vf(bp, i, state) = VF_FREE;
2027                 INIT_LIST_HEAD(&bnx2x_vf(bp, i, op_list_head));
2028                 mutex_init(&bnx2x_vf(bp, i, op_mutex));
2029                 bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE;
2030         }
2031
2032         /* re-read the IGU CAM for VFs - index and abs_vfid must be set */
2033         bnx2x_get_vf_igu_cam_info(bp);
2034
2035         /* allocate the queue arrays for all VFs */
2036         bp->vfdb->vfqs = kzalloc(
2037                 BNX2X_MAX_NUM_VF_QUEUES * sizeof(struct bnx2x_vf_queue),
2038                 GFP_KERNEL);
2039
2040         DP(BNX2X_MSG_IOV, "bp->vfdb->vfqs was %p\n", bp->vfdb->vfqs);
2041
2042         if (!bp->vfdb->vfqs) {
2043                 BNX2X_ERR("failed to allocate vf queue array\n");
2044                 err = -ENOMEM;
2045                 goto failed;
2046         }
2047
2048         return 0;
2049 failed:
2050         DP(BNX2X_MSG_IOV, "Failed err=%d\n", err);
2051         __bnx2x_iov_free_vfdb(bp);
2052         return err;
2053 }
2054
2055 void bnx2x_iov_remove_one(struct bnx2x *bp)
2056 {
2057         int vf_idx;
2058
2059         /* if SRIOV is not enabled there's nothing to do */
2060         if (!IS_SRIOV(bp))
2061                 return;
2062
2063         DP(BNX2X_MSG_IOV, "about to call disable sriov\n");
2064         pci_disable_sriov(bp->pdev);
2065         DP(BNX2X_MSG_IOV, "sriov disabled\n");
2066
2067         /* disable access to all VFs */
2068         for (vf_idx = 0; vf_idx < bp->vfdb->sriov.total; vf_idx++) {
2069                 bnx2x_pretend_func(bp,
2070                                    HW_VF_HANDLE(bp,
2071                                                 bp->vfdb->sriov.first_vf_in_pf +
2072                                                 vf_idx));
2073                 DP(BNX2X_MSG_IOV, "disabling internal access for vf %d\n",
2074                    bp->vfdb->sriov.first_vf_in_pf + vf_idx);
2075                 bnx2x_vf_enable_internal(bp, 0);
2076                 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2077         }
2078
2079         /* free vf database */
2080         __bnx2x_iov_free_vfdb(bp);
2081 }
2082
2083 void bnx2x_iov_free_mem(struct bnx2x *bp)
2084 {
2085         int i;
2086
2087         if (!IS_SRIOV(bp))
2088                 return;
2089
2090         /* free vfs hw contexts */
2091         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2092                 struct hw_dma *cxt = &bp->vfdb->context[i];
2093                 BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size);
2094         }
2095
2096         BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr,
2097                        BP_VFDB(bp)->sp_dma.mapping,
2098                        BP_VFDB(bp)->sp_dma.size);
2099
2100         BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr,
2101                        BP_VF_MBX_DMA(bp)->mapping,
2102                        BP_VF_MBX_DMA(bp)->size);
2103
2104         BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr,
2105                        BP_VF_BULLETIN_DMA(bp)->mapping,
2106                        BP_VF_BULLETIN_DMA(bp)->size);
2107 }
2108
2109 int bnx2x_iov_alloc_mem(struct bnx2x *bp)
2110 {
2111         size_t tot_size;
2112         int i, rc = 0;
2113
2114         if (!IS_SRIOV(bp))
2115                 return rc;
2116
2117         /* allocate vfs hw contexts */
2118         tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) *
2119                 BNX2X_CIDS_PER_VF * sizeof(union cdu_context);
2120
2121         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2122                 struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i);
2123                 cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ);
2124
2125                 if (cxt->size) {
2126                         BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size);
2127                 } else {
2128                         cxt->addr = NULL;
2129                         cxt->mapping = 0;
2130                 }
2131                 tot_size -= cxt->size;
2132         }
2133
2134         /* allocate vfs ramrods dma memory - client_init and set_mac */
2135         tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp);
2136         BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping,
2137                         tot_size);
2138         BP_VFDB(bp)->sp_dma.size = tot_size;
2139
2140         /* allocate mailboxes */
2141         tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE;
2142         BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping,
2143                         tot_size);
2144         BP_VF_MBX_DMA(bp)->size = tot_size;
2145
2146         /* allocate local bulletin boards */
2147         tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE;
2148         BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp)->addr,
2149                         &BP_VF_BULLETIN_DMA(bp)->mapping, tot_size);
2150         BP_VF_BULLETIN_DMA(bp)->size = tot_size;
2151
2152         return 0;
2153
2154 alloc_mem_err:
2155         return -ENOMEM;
2156 }
2157
2158 static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
2159                            struct bnx2x_vf_queue *q)
2160 {
2161         u8 cl_id = vfq_cl_id(vf, q);
2162         u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
2163         unsigned long q_type = 0;
2164
2165         set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
2166         set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
2167
2168         /* Queue State object */
2169         bnx2x_init_queue_obj(bp, &q->sp_obj,
2170                              cl_id, &q->cid, 1, func_id,
2171                              bnx2x_vf_sp(bp, vf, q_data),
2172                              bnx2x_vf_sp_map(bp, vf, q_data),
2173                              q_type);
2174
2175         /* sp indication is set only when vlan/mac/etc. are initialized */
2176         q->sp_initialized = false;
2177
2178         DP(BNX2X_MSG_IOV,
2179            "initialized vf %d's queue object. func id set to %d. cid set to 0x%x\n",
2180            vf->abs_vfid, q->sp_obj.func_id, q->cid);
2181 }
2182
2183 /* called by bnx2x_nic_load */
2184 int bnx2x_iov_nic_init(struct bnx2x *bp)
2185 {
2186         int vfid;
2187
2188         if (!IS_SRIOV(bp)) {
2189                 DP(BNX2X_MSG_IOV, "vfdb was not allocated\n");
2190                 return 0;
2191         }
2192
2193         DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn);
2194
2195         /* let FLR complete ... */
2196         msleep(100);
2197
2198         /* initialize vf database */
2199         for_each_vf(bp, vfid) {
2200                 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2201
2202                 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) *
2203                         BNX2X_CIDS_PER_VF;
2204
2205                 union cdu_context *base_cxt = (union cdu_context *)
2206                         BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2207                         (base_vf_cid & (ILT_PAGE_CIDS-1));
2208
2209                 DP(BNX2X_MSG_IOV,
2210                    "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n",
2211                    vf->abs_vfid, vf_sb_count(vf), base_vf_cid,
2212                    BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt);
2213
2214                 /* init statically provisioned resources */
2215                 bnx2x_iov_static_resc(bp, vf);
2216
2217                 /* queues are initialized during VF-ACQUIRE */
2218
2219                 /* reserve the vf vlan credit */
2220                 bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf));
2221
2222                 vf->filter_state = 0;
2223                 vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id);
2224
2225                 /*  init mcast object - This object will be re-initialized
2226                  *  during VF-ACQUIRE with the proper cl_id and cid.
2227                  *  It needs to be initialized here so that it can be safely
2228                  *  handled by a subsequent FLR flow.
2229                  */
2230                 vf->mcast_list_len = 0;
2231                 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF,
2232                                      0xFF, 0xFF, 0xFF,
2233                                      bnx2x_vf_sp(bp, vf, mcast_rdata),
2234                                      bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2235                                      BNX2X_FILTER_MCAST_PENDING,
2236                                      &vf->filter_state,
2237                                      BNX2X_OBJ_TYPE_RX_TX);
2238
2239                 /* set the mailbox message addresses */
2240                 BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *)
2241                         (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid *
2242                         MBX_MSG_ALIGNED_SIZE);
2243
2244                 BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping +
2245                         vfid * MBX_MSG_ALIGNED_SIZE;
2246
2247                 /* Enable vf mailbox */
2248                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
2249         }
2250
2251         /* Final VF init */
2252         for_each_vf(bp, vfid) {
2253                 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2254
2255                 /* fill in the BDF and bars */
2256                 vf->bus = bnx2x_vf_bus(bp, vfid);
2257                 vf->devfn = bnx2x_vf_devfn(bp, vfid);
2258                 bnx2x_vf_set_bars(bp, vf);
2259
2260                 DP(BNX2X_MSG_IOV,
2261                    "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n",
2262                    vf->abs_vfid, vf->bus, vf->devfn,
2263                    (unsigned)vf->bars[0].bar, vf->bars[0].size,
2264                    (unsigned)vf->bars[1].bar, vf->bars[1].size,
2265                    (unsigned)vf->bars[2].bar, vf->bars[2].size);
2266         }
2267
2268         return 0;
2269 }
2270
2271 /* called by bnx2x_chip_cleanup */
2272 int bnx2x_iov_chip_cleanup(struct bnx2x *bp)
2273 {
2274         int i;
2275
2276         if (!IS_SRIOV(bp))
2277                 return 0;
2278
2279         /* release all the VFs */
2280         for_each_vf(bp, i)
2281                 bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */
2282
2283         return 0;
2284 }
2285
2286 /* called by bnx2x_init_hw_func, returns the next ilt line */
2287 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line)
2288 {
2289         int i;
2290         struct bnx2x_ilt *ilt = BP_ILT(bp);
2291
2292         if (!IS_SRIOV(bp))
2293                 return line;
2294
2295         /* set vfs ilt lines */
2296         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2297                 struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i);
2298
2299                 ilt->lines[line+i].page = hw_cxt->addr;
2300                 ilt->lines[line+i].page_mapping = hw_cxt->mapping;
2301                 ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */
2302         }
2303         return line + i;
2304 }
2305
2306 static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid)
2307 {
2308         return ((cid >= BNX2X_FIRST_VF_CID) &&
2309                 ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS));
2310 }
2311
2312 static
2313 void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp,
2314                                         struct bnx2x_vf_queue *vfq,
2315                                         union event_ring_elem *elem)
2316 {
2317         unsigned long ramrod_flags = 0;
2318         int rc = 0;
2319
2320         /* Always push next commands out, don't wait here */
2321         set_bit(RAMROD_CONT, &ramrod_flags);
2322
2323         switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
2324         case BNX2X_FILTER_MAC_PENDING:
2325                 rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem,
2326                                            &ramrod_flags);
2327                 break;
2328         case BNX2X_FILTER_VLAN_PENDING:
2329                 rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem,
2330                                             &ramrod_flags);
2331                 break;
2332         default:
2333                 BNX2X_ERR("Unsupported classification command: %d\n",
2334                           elem->message.data.eth_event.echo);
2335                 return;
2336         }
2337         if (rc < 0)
2338                 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
2339         else if (rc > 0)
2340                 DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n");
2341 }
2342
2343 static
2344 void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp,
2345                                struct bnx2x_virtf *vf)
2346 {
2347         struct bnx2x_mcast_ramrod_params rparam = {NULL};
2348         int rc;
2349
2350         rparam.mcast_obj = &vf->mcast_obj;
2351         vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw);
2352
2353         /* If there are pending mcast commands - send them */
2354         if (vf->mcast_obj.check_pending(&vf->mcast_obj)) {
2355                 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
2356                 if (rc < 0)
2357                         BNX2X_ERR("Failed to send pending mcast commands: %d\n",
2358                                   rc);
2359         }
2360 }
2361
2362 static
2363 void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp,
2364                                  struct bnx2x_virtf *vf)
2365 {
2366         smp_mb__before_clear_bit();
2367         clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
2368         smp_mb__after_clear_bit();
2369 }
2370
2371 int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem)
2372 {
2373         struct bnx2x_virtf *vf;
2374         int qidx = 0, abs_vfid;
2375         u8 opcode;
2376         u16 cid = 0xffff;
2377
2378         if (!IS_SRIOV(bp))
2379                 return 1;
2380
2381         /* first get the cid - the only events we handle here are cfc-delete
2382          * and set-mac completion
2383          */
2384         opcode = elem->message.opcode;
2385
2386         switch (opcode) {
2387         case EVENT_RING_OPCODE_CFC_DEL:
2388                 cid = SW_CID((__force __le32)
2389                              elem->message.data.cfc_del_event.cid);
2390                 DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid);
2391                 break;
2392         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2393         case EVENT_RING_OPCODE_MULTICAST_RULES:
2394         case EVENT_RING_OPCODE_FILTERS_RULES:
2395                 cid = (elem->message.data.eth_event.echo &
2396                        BNX2X_SWCID_MASK);
2397                 DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid);
2398                 break;
2399         case EVENT_RING_OPCODE_VF_FLR:
2400                 abs_vfid = elem->message.data.vf_flr_event.vf_id;
2401                 DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n",
2402                    abs_vfid);
2403                 goto get_vf;
2404         case EVENT_RING_OPCODE_MALICIOUS_VF:
2405                 abs_vfid = elem->message.data.malicious_vf_event.vf_id;
2406                 BNX2X_ERR("Got VF MALICIOUS notification abs_vfid=%d err_id=0x%x\n",
2407                           abs_vfid,
2408                           elem->message.data.malicious_vf_event.err_id);
2409                 goto get_vf;
2410         default:
2411                 return 1;
2412         }
2413
2414         /* check if the cid is the VF range */
2415         if (!bnx2x_iov_is_vf_cid(bp, cid)) {
2416                 DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid);
2417                 return 1;
2418         }
2419
2420         /* extract vf and rxq index from vf_cid - relies on the following:
2421          * 1. vfid on cid reflects the true abs_vfid
2422          * 2. The max number of VFs (per path) is 64
2423          */
2424         qidx = cid & ((1 << BNX2X_VF_CID_WND)-1);
2425         abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2426 get_vf:
2427         vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
2428
2429         if (!vf) {
2430                 BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n",
2431                           cid, abs_vfid);
2432                 return 0;
2433         }
2434
2435         switch (opcode) {
2436         case EVENT_RING_OPCODE_CFC_DEL:
2437                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n",
2438                    vf->abs_vfid, qidx);
2439                 vfq_get(vf, qidx)->sp_obj.complete_cmd(bp,
2440                                                        &vfq_get(vf,
2441                                                                 qidx)->sp_obj,
2442                                                        BNX2X_Q_CMD_CFC_DEL);
2443                 break;
2444         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2445                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n",
2446                    vf->abs_vfid, qidx);
2447                 bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem);
2448                 break;
2449         case EVENT_RING_OPCODE_MULTICAST_RULES:
2450                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n",
2451                    vf->abs_vfid, qidx);
2452                 bnx2x_vf_handle_mcast_eqe(bp, vf);
2453                 break;
2454         case EVENT_RING_OPCODE_FILTERS_RULES:
2455                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n",
2456                    vf->abs_vfid, qidx);
2457                 bnx2x_vf_handle_filters_eqe(bp, vf);
2458                 break;
2459         case EVENT_RING_OPCODE_VF_FLR:
2460         case EVENT_RING_OPCODE_MALICIOUS_VF:
2461                 /* Do nothing for now */
2462                 return 0;
2463         }
2464         /* SRIOV: reschedule any 'in_progress' operations */
2465         bnx2x_iov_sp_event(bp, cid, false);
2466
2467         return 0;
2468 }
2469
2470 static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid)
2471 {
2472         /* extract the vf from vf_cid - relies on the following:
2473          * 1. vfid on cid reflects the true abs_vfid
2474          * 2. The max number of VFs (per path) is 64
2475          */
2476         int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2477         return bnx2x_vf_by_abs_fid(bp, abs_vfid);
2478 }
2479
2480 void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
2481                                 struct bnx2x_queue_sp_obj **q_obj)
2482 {
2483         struct bnx2x_virtf *vf;
2484
2485         if (!IS_SRIOV(bp))
2486                 return;
2487
2488         vf = bnx2x_vf_by_cid(bp, vf_cid);
2489
2490         if (vf) {
2491                 /* extract queue index from vf_cid - relies on the following:
2492                  * 1. vfid on cid reflects the true abs_vfid
2493                  * 2. The max number of VFs (per path) is 64
2494                  */
2495                 int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1);
2496                 *q_obj = &bnx2x_vfq(vf, q_index, sp_obj);
2497         } else {
2498                 BNX2X_ERR("No vf matching cid %d\n", vf_cid);
2499         }
2500 }
2501
2502 void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work)
2503 {
2504         struct bnx2x_virtf *vf;
2505
2506         /* check if the cid is the VF range */
2507         if (!IS_SRIOV(bp) || !bnx2x_iov_is_vf_cid(bp, vf_cid))
2508                 return;
2509
2510         vf = bnx2x_vf_by_cid(bp, vf_cid);
2511         if (vf) {
2512                 /* set in_progress flag */
2513                 atomic_set(&vf->op_in_progress, 1);
2514                 if (queue_work)
2515                         queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
2516         }
2517 }
2518
2519 void bnx2x_iov_adjust_stats_req(struct bnx2x *bp)
2520 {
2521         int i;
2522         int first_queue_query_index, num_queues_req;
2523         dma_addr_t cur_data_offset;
2524         struct stats_query_entry *cur_query_entry;
2525         u8 stats_count = 0;
2526         bool is_fcoe = false;
2527
2528         if (!IS_SRIOV(bp))
2529                 return;
2530
2531         if (!NO_FCOE(bp))
2532                 is_fcoe = true;
2533
2534         /* fcoe adds one global request and one queue request */
2535         num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe;
2536         first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX -
2537                 (is_fcoe ? 0 : 1);
2538
2539         DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS),
2540                "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",
2541                BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index,
2542                first_queue_query_index + num_queues_req);
2543
2544         cur_data_offset = bp->fw_stats_data_mapping +
2545                 offsetof(struct bnx2x_fw_stats_data, queue_stats) +
2546                 num_queues_req * sizeof(struct per_queue_stats);
2547
2548         cur_query_entry = &bp->fw_stats_req->
2549                 query[first_queue_query_index + num_queues_req];
2550
2551         for_each_vf(bp, i) {
2552                 int j;
2553                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2554
2555                 if (vf->state != VF_ENABLED) {
2556                         DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS),
2557                                "vf %d not enabled so no stats for it\n",
2558                                vf->abs_vfid);
2559                         continue;
2560                 }
2561
2562                 DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid);
2563                 for_each_vfq(vf, j) {
2564                         struct bnx2x_vf_queue *rxq = vfq_get(vf, j);
2565
2566                         dma_addr_t q_stats_addr =
2567                                 vf->fw_stat_map + j * vf->stats_stride;
2568
2569                         /* collect stats fro active queues only */
2570                         if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) ==
2571                             BNX2X_Q_LOGICAL_STATE_STOPPED)
2572                                 continue;
2573
2574                         /* create stats query entry for this queue */
2575                         cur_query_entry->kind = STATS_TYPE_QUEUE;
2576                         cur_query_entry->index = vfq_stat_id(vf, rxq);
2577                         cur_query_entry->funcID =
2578                                 cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid));
2579                         cur_query_entry->address.hi =
2580                                 cpu_to_le32(U64_HI(q_stats_addr));
2581                         cur_query_entry->address.lo =
2582                                 cpu_to_le32(U64_LO(q_stats_addr));
2583                         DP(BNX2X_MSG_IOV,
2584                            "added address %x %x for vf %d queue %d client %d\n",
2585                            cur_query_entry->address.hi,
2586                            cur_query_entry->address.lo, cur_query_entry->funcID,
2587                            j, cur_query_entry->index);
2588                         cur_query_entry++;
2589                         cur_data_offset += sizeof(struct per_queue_stats);
2590                         stats_count++;
2591
2592                         /* all stats are coalesced to the leading queue */
2593                         if (vf->cfg_flags & VF_CFG_STATS_COALESCE)
2594                                 break;
2595                 }
2596         }
2597         bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count;
2598 }
2599
2600 void bnx2x_iov_sp_task(struct bnx2x *bp)
2601 {
2602         int i;
2603
2604         if (!IS_SRIOV(bp))
2605                 return;
2606         /* Iterate over all VFs and invoke state transition for VFs with
2607          * 'in-progress' slow-path operations
2608          */
2609         DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_SP),
2610                "searching for pending vf operations\n");
2611         for_each_vf(bp, i) {
2612                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2613
2614                 if (!vf) {
2615                         BNX2X_ERR("VF was null! skipping...\n");
2616                         continue;
2617                 }
2618
2619                 if (!list_empty(&vf->op_list_head) &&
2620                     atomic_read(&vf->op_in_progress)) {
2621                         DP(BNX2X_MSG_IOV, "running pending op for vf %d\n", i);
2622                         bnx2x_vfop_cur(bp, vf)->transition(bp, vf);
2623                 }
2624         }
2625 }
2626
2627 static inline
2628 struct bnx2x_virtf *__vf_from_stat_id(struct bnx2x *bp, u8 stat_id)
2629 {
2630         int i;
2631         struct bnx2x_virtf *vf = NULL;
2632
2633         for_each_vf(bp, i) {
2634                 vf = BP_VF(bp, i);
2635                 if (stat_id >= vf->igu_base_id &&
2636                     stat_id < vf->igu_base_id + vf_sb_count(vf))
2637                         break;
2638         }
2639         return vf;
2640 }
2641
2642 /* VF API helpers */
2643 static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid,
2644                                 u8 enable)
2645 {
2646         u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4;
2647         u32 val = enable ? (abs_vfid | (1 << 6)) : 0;
2648
2649         REG_WR(bp, reg, val);
2650 }
2651
2652 static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf)
2653 {
2654         int i;
2655
2656         for_each_vfq(vf, i)
2657                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2658                                     vfq_qzone_id(vf, vfq_get(vf, i)), false);
2659 }
2660
2661 static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf)
2662 {
2663         u32 val;
2664
2665         /* clear the VF configuration - pretend */
2666         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
2667         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
2668         val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN |
2669                  IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK);
2670         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
2671         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2672 }
2673
2674 u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf)
2675 {
2676         return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF),
2677                      BNX2X_VF_MAX_QUEUES);
2678 }
2679
2680 static
2681 int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf,
2682                             struct vf_pf_resc_request *req_resc)
2683 {
2684         u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2685         u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2686
2687         return ((req_resc->num_rxqs <= rxq_cnt) &&
2688                 (req_resc->num_txqs <= txq_cnt) &&
2689                 (req_resc->num_sbs <= vf_sb_count(vf))   &&
2690                 (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) &&
2691                 (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf)));
2692 }
2693
2694 /* CORE VF API */
2695 int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
2696                      struct vf_pf_resc_request *resc)
2697 {
2698         int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) *
2699                 BNX2X_CIDS_PER_VF;
2700
2701         union cdu_context *base_cxt = (union cdu_context *)
2702                 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2703                 (base_vf_cid & (ILT_PAGE_CIDS-1));
2704         int i;
2705
2706         /* if state is 'acquired' the VF was not released or FLR'd, in
2707          * this case the returned resources match the acquired already
2708          * acquired resources. Verify that the requested numbers do
2709          * not exceed the already acquired numbers.
2710          */
2711         if (vf->state == VF_ACQUIRED) {
2712                 DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n",
2713                    vf->abs_vfid);
2714
2715                 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2716                         BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n",
2717                                   vf->abs_vfid);
2718                         return -EINVAL;
2719                 }
2720                 return 0;
2721         }
2722
2723         /* Otherwise vf state must be 'free' or 'reset' */
2724         if (vf->state != VF_FREE && vf->state != VF_RESET) {
2725                 BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n",
2726                           vf->abs_vfid, vf->state);
2727                 return -EINVAL;
2728         }
2729
2730         /* static allocation:
2731          * the global maximum number are fixed per VF. Fail the request if
2732          * requested number exceed these globals
2733          */
2734         if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2735                 DP(BNX2X_MSG_IOV,
2736                    "cannot fulfill vf resource request. Placing maximal available values in response\n");
2737                 /* set the max resource in the vf */
2738                 return -ENOMEM;
2739         }
2740
2741         /* Set resources counters - 0 request means max available */
2742         vf_sb_count(vf) = resc->num_sbs;
2743         vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2744         vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2745         if (resc->num_mac_filters)
2746                 vf_mac_rules_cnt(vf) = resc->num_mac_filters;
2747         if (resc->num_vlan_filters)
2748                 vf_vlan_rules_cnt(vf) = resc->num_vlan_filters;
2749
2750         DP(BNX2X_MSG_IOV,
2751            "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n",
2752            vf_sb_count(vf), vf_rxq_count(vf),
2753            vf_txq_count(vf), vf_mac_rules_cnt(vf),
2754            vf_vlan_rules_cnt(vf));
2755
2756         /* Initialize the queues */
2757         if (!vf->vfqs) {
2758                 DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n");
2759                 return -EINVAL;
2760         }
2761
2762         for_each_vfq(vf, i) {
2763                 struct bnx2x_vf_queue *q = vfq_get(vf, i);
2764
2765                 if (!q) {
2766                         BNX2X_ERR("q number %d was not allocated\n", i);
2767                         return -EINVAL;
2768                 }
2769
2770                 q->index = i;
2771                 q->cxt = &((base_cxt + i)->eth);
2772                 q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i;
2773
2774                 DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n",
2775                    vf->abs_vfid, i, q->index, q->cid, q->cxt);
2776
2777                 /* init SP objects */
2778                 bnx2x_vfq_init(bp, vf, q);
2779         }
2780         vf->state = VF_ACQUIRED;
2781         return 0;
2782 }
2783
2784 int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map)
2785 {
2786         struct bnx2x_func_init_params func_init = {0};
2787         u16 flags = 0;
2788         int i;
2789
2790         /* the sb resources are initialized at this point, do the
2791          * FW/HW initializations
2792          */
2793         for_each_vf_sb(vf, i)
2794                 bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true,
2795                               vf_igu_sb(vf, i), vf_igu_sb(vf, i));
2796
2797         /* Sanity checks */
2798         if (vf->state != VF_ACQUIRED) {
2799                 DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n",
2800                    vf->abs_vfid, vf->state);
2801                 return -EINVAL;
2802         }
2803
2804         /* let FLR complete ... */
2805         msleep(100);
2806
2807         /* FLR cleanup epilogue */
2808         if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid))
2809                 return -EBUSY;
2810
2811         /* reset IGU VF statistics: MSIX */
2812         REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0);
2813
2814         /* vf init */
2815         if (vf->cfg_flags & VF_CFG_STATS)
2816                 flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ);
2817
2818         if (vf->cfg_flags & VF_CFG_TPA)
2819                 flags |= FUNC_FLG_TPA;
2820
2821         if (is_vf_multi(vf))
2822                 flags |= FUNC_FLG_RSS;
2823
2824         /* function setup */
2825         func_init.func_flgs = flags;
2826         func_init.pf_id = BP_FUNC(bp);
2827         func_init.func_id = FW_VF_HANDLE(vf->abs_vfid);
2828         func_init.fw_stat_map = vf->fw_stat_map;
2829         func_init.spq_map = vf->spq_map;
2830         func_init.spq_prod = 0;
2831         bnx2x_func_init(bp, &func_init);
2832
2833         /* Enable the vf */
2834         bnx2x_vf_enable_access(bp, vf->abs_vfid);
2835         bnx2x_vf_enable_traffic(bp, vf);
2836
2837         /* queue protection table */
2838         for_each_vfq(vf, i)
2839                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2840                                     vfq_qzone_id(vf, vfq_get(vf, i)), true);
2841
2842         vf->state = VF_ENABLED;
2843
2844         /* update vf bulletin board */
2845         bnx2x_post_vf_bulletin(bp, vf->index);
2846
2847         return 0;
2848 }
2849
2850 struct set_vf_state_cookie {
2851         struct bnx2x_virtf *vf;
2852         u8 state;
2853 };
2854
2855 static void bnx2x_set_vf_state(void *cookie)
2856 {
2857         struct set_vf_state_cookie *p = (struct set_vf_state_cookie *)cookie;
2858
2859         p->vf->state = p->state;
2860 }
2861
2862 /* VFOP close (teardown the queues, delete mcasts and close HW) */
2863 static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf)
2864 {
2865         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2866         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
2867         enum bnx2x_vfop_close_state state = vfop->state;
2868         struct bnx2x_vfop_cmd cmd = {
2869                 .done = bnx2x_vfop_close,
2870                 .block = false,
2871         };
2872
2873         if (vfop->rc < 0)
2874                 goto op_err;
2875
2876         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
2877
2878         switch (state) {
2879         case BNX2X_VFOP_CLOSE_QUEUES:
2880
2881                 if (++(qx->qid) < vf_rxq_count(vf)) {
2882                         vfop->rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qx->qid);
2883                         if (vfop->rc)
2884                                 goto op_err;
2885                         return;
2886                 }
2887                 vfop->state = BNX2X_VFOP_CLOSE_HW;
2888                 vfop->rc = 0;
2889                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
2890
2891         case BNX2X_VFOP_CLOSE_HW:
2892
2893                 /* disable the interrupts */
2894                 DP(BNX2X_MSG_IOV, "disabling igu\n");
2895                 bnx2x_vf_igu_disable(bp, vf);
2896
2897                 /* disable the VF */
2898                 DP(BNX2X_MSG_IOV, "clearing qtbl\n");
2899                 bnx2x_vf_clr_qtbl(bp, vf);
2900
2901                 goto op_done;
2902         default:
2903                 bnx2x_vfop_default(state);
2904         }
2905 op_err:
2906         BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc);
2907 op_done:
2908
2909         /* need to make sure there are no outstanding stats ramrods which may
2910          * cause the device to access the VF's stats buffer which it will free
2911          * as soon as we return from the close flow.
2912          */
2913         {
2914                 struct set_vf_state_cookie cookie;
2915
2916                 cookie.vf = vf;
2917                 cookie.state = VF_ACQUIRED;
2918                 bnx2x_stats_safe_exec(bp, bnx2x_set_vf_state, &cookie);
2919         }
2920
2921         DP(BNX2X_MSG_IOV, "set state to acquired\n");
2922         bnx2x_vfop_end(bp, vf, vfop);
2923 op_pending:
2924         /* Not supported at the moment; Exists for macros only */
2925         return;
2926 }
2927
2928 int bnx2x_vfop_close_cmd(struct bnx2x *bp,
2929                          struct bnx2x_virtf *vf,
2930                          struct bnx2x_vfop_cmd *cmd)
2931 {
2932         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2933         if (vfop) {
2934                 vfop->args.qx.qid = -1; /* loop */
2935                 bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES,
2936                                  bnx2x_vfop_close, cmd->done);
2937                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_close,
2938                                              cmd->block);
2939         }
2940         return -ENOMEM;
2941 }
2942
2943 /* VF release can be called either: 1. The VF was acquired but
2944  * not enabled 2. the vf was enabled or in the process of being
2945  * enabled
2946  */
2947 static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf)
2948 {
2949         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2950         struct bnx2x_vfop_cmd cmd = {
2951                 .done = bnx2x_vfop_release,
2952                 .block = false,
2953         };
2954
2955         DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2956
2957         if (vfop->rc < 0)
2958                 goto op_err;
2959
2960         DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid,
2961            vf->state == VF_FREE ? "Free" :
2962            vf->state == VF_ACQUIRED ? "Acquired" :
2963            vf->state == VF_ENABLED ? "Enabled" :
2964            vf->state == VF_RESET ? "Reset" :
2965            "Unknown");
2966
2967         switch (vf->state) {
2968         case VF_ENABLED:
2969                 vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd);
2970                 if (vfop->rc)
2971                         goto op_err;
2972                 return;
2973
2974         case VF_ACQUIRED:
2975                 DP(BNX2X_MSG_IOV, "about to free resources\n");
2976                 bnx2x_vf_free_resc(bp, vf);
2977                 DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2978                 goto op_done;
2979
2980         case VF_FREE:
2981         case VF_RESET:
2982                 /* do nothing */
2983                 goto op_done;
2984         default:
2985                 bnx2x_vfop_default(vf->state);
2986         }
2987 op_err:
2988         BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc);
2989 op_done:
2990         bnx2x_vfop_end(bp, vf, vfop);
2991 }
2992
2993 static void bnx2x_vfop_rss(struct bnx2x *bp, struct bnx2x_virtf *vf)
2994 {
2995         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2996         enum bnx2x_vfop_rss_state state;
2997
2998         if (!vfop) {
2999                 BNX2X_ERR("vfop was null\n");
3000                 return;
3001         }
3002
3003         state = vfop->state;
3004         bnx2x_vfop_reset_wq(vf);
3005
3006         if (vfop->rc < 0)
3007                 goto op_err;
3008
3009         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
3010
3011         switch (state) {
3012         case BNX2X_VFOP_RSS_CONFIG:
3013                 /* next state */
3014                 vfop->state = BNX2X_VFOP_RSS_DONE;
3015                 bnx2x_config_rss(bp, &vfop->op_p->rss);
3016                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
3017 op_err:
3018                 BNX2X_ERR("RSS error: rc %d\n", vfop->rc);
3019 op_done:
3020         case BNX2X_VFOP_RSS_DONE:
3021                 bnx2x_vfop_end(bp, vf, vfop);
3022                 return;
3023         default:
3024                 bnx2x_vfop_default(state);
3025         }
3026 op_pending:
3027         return;
3028 }
3029
3030 int bnx2x_vfop_release_cmd(struct bnx2x *bp,
3031                            struct bnx2x_virtf *vf,
3032                            struct bnx2x_vfop_cmd *cmd)
3033 {
3034         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
3035         if (vfop) {
3036                 bnx2x_vfop_opset(-1, /* use vf->state */
3037                                  bnx2x_vfop_release, cmd->done);
3038                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release,
3039                                              cmd->block);
3040         }
3041         return -ENOMEM;
3042 }
3043
3044 int bnx2x_vfop_rss_cmd(struct bnx2x *bp,
3045                        struct bnx2x_virtf *vf,
3046                        struct bnx2x_vfop_cmd *cmd)
3047 {
3048         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
3049
3050         if (vfop) {
3051                 bnx2x_vfop_opset(BNX2X_VFOP_RSS_CONFIG, bnx2x_vfop_rss,
3052                                  cmd->done);
3053                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rss,
3054                                              cmd->block);
3055         }
3056         return -ENOMEM;
3057 }
3058
3059 /* VFOP tpa update, send update on all queues */
3060 static void bnx2x_vfop_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf)
3061 {
3062         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
3063         struct bnx2x_vfop_args_tpa *tpa_args = &vfop->args.tpa;
3064         enum bnx2x_vfop_tpa_state state = vfop->state;
3065
3066         bnx2x_vfop_reset_wq(vf);
3067
3068         if (vfop->rc < 0)
3069                 goto op_err;
3070
3071         DP(BNX2X_MSG_IOV, "vf[%d:%d] STATE: %d\n",
3072            vf->abs_vfid, tpa_args->qid,
3073            state);
3074
3075         switch (state) {
3076         case BNX2X_VFOP_TPA_CONFIG:
3077
3078                 if (tpa_args->qid < vf_rxq_count(vf)) {
3079                         struct bnx2x_queue_state_params *qstate =
3080                                 &vf->op_params.qstate;
3081
3082                         qstate->q_obj = &bnx2x_vfq(vf, tpa_args->qid, sp_obj);
3083
3084                         /* The only thing that changes for the ramrod params
3085                          * between calls is the sge_map
3086                          */
3087                         qstate->params.update_tpa.sge_map =
3088                                 tpa_args->sge_map[tpa_args->qid];
3089
3090                         DP(BNX2X_MSG_IOV, "sge_addr[%d] %08x:%08x\n",
3091                            tpa_args->qid,
3092                            U64_HI(qstate->params.update_tpa.sge_map),
3093                            U64_LO(qstate->params.update_tpa.sge_map));
3094                         qstate->cmd = BNX2X_Q_CMD_UPDATE_TPA;
3095                         vfop->rc = bnx2x_queue_state_change(bp, qstate);
3096
3097                         tpa_args->qid++;
3098                         bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
3099                 }
3100                 vfop->state = BNX2X_VFOP_TPA_DONE;
3101                 vfop->rc = 0;
3102                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
3103 op_err:
3104                 BNX2X_ERR("TPA update error: rc %d\n", vfop->rc);
3105 op_done:
3106         case BNX2X_VFOP_TPA_DONE:
3107                 bnx2x_vfop_end(bp, vf, vfop);
3108                 return;
3109         default:
3110                 bnx2x_vfop_default(state);
3111         }
3112 op_pending:
3113         return;
3114 }
3115
3116 int bnx2x_vfop_tpa_cmd(struct bnx2x *bp,
3117                         struct bnx2x_virtf *vf,
3118                         struct bnx2x_vfop_cmd *cmd,
3119                         struct vfpf_tpa_tlv *tpa_tlv)
3120 {
3121         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
3122
3123         if (vfop) {
3124                 vfop->args.qx.qid = 0; /* loop */
3125                 memcpy(&vfop->args.tpa.sge_map,
3126                        tpa_tlv->tpa_client_info.sge_addr,
3127                        sizeof(vfop->args.tpa.sge_map));
3128                 bnx2x_vfop_opset(BNX2X_VFOP_TPA_CONFIG,
3129                                  bnx2x_vfop_tpa, cmd->done);
3130                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_tpa,
3131                                              cmd->block);
3132         }
3133         return -ENOMEM;
3134 }
3135
3136 /* VF release ~ VF close + VF release-resources
3137  * Release is the ultimate SW shutdown and is called whenever an
3138  * irrecoverable error is encountered.
3139  */
3140 void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block)
3141 {
3142         struct bnx2x_vfop_cmd cmd = {
3143                 .done = NULL,
3144                 .block = block,
3145         };
3146         int rc;
3147
3148         DP(BNX2X_MSG_IOV, "PF releasing vf %d\n", vf->abs_vfid);
3149         bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
3150
3151         rc = bnx2x_vfop_release_cmd(bp, vf, &cmd);
3152         if (rc)
3153                 WARN(rc,
3154                      "VF[%d] Failed to allocate resources for release op- rc=%d\n",
3155                      vf->abs_vfid, rc);
3156 }
3157
3158 static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp,
3159                               struct bnx2x_virtf *vf, u32 *sbdf)
3160 {
3161         *sbdf = vf->devfn | (vf->bus << 8);
3162 }
3163
3164 void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
3165                               enum channel_tlvs tlv)
3166 {
3167         /* we don't lock the channel for unsupported tlvs */
3168         if (!bnx2x_tlv_supported(tlv)) {
3169                 BNX2X_ERR("attempting to lock with unsupported tlv. Aborting\n");
3170                 return;
3171         }
3172
3173         /* lock the channel */
3174         mutex_lock(&vf->op_mutex);
3175
3176         /* record the locking op */
3177         vf->op_current = tlv;
3178
3179         /* log the lock */
3180         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n",
3181            vf->abs_vfid, tlv);
3182 }
3183
3184 void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
3185                                 enum channel_tlvs expected_tlv)
3186 {
3187         enum channel_tlvs current_tlv;
3188
3189         if (!vf) {
3190                 BNX2X_ERR("VF was %p\n", vf);
3191                 return;
3192         }
3193
3194         current_tlv = vf->op_current;
3195
3196         /* we don't unlock the channel for unsupported tlvs */
3197         if (!bnx2x_tlv_supported(expected_tlv))
3198                 return;
3199
3200         WARN(expected_tlv != vf->op_current,
3201              "lock mismatch: expected %d found %d", expected_tlv,
3202              vf->op_current);
3203
3204         /* record the locking op */
3205         vf->op_current = CHANNEL_TLV_NONE;
3206
3207         /* lock the channel */
3208         mutex_unlock(&vf->op_mutex);
3209
3210         /* log the unlock */
3211         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n",
3212            vf->abs_vfid, vf->op_current);
3213 }
3214
3215 static int bnx2x_set_pf_tx_switching(struct bnx2x *bp, bool enable)
3216 {
3217         struct bnx2x_queue_state_params q_params;
3218         u32 prev_flags;
3219         int i, rc;
3220
3221         /* Verify changes are needed and record current Tx switching state */
3222         prev_flags = bp->flags;
3223         if (enable)
3224                 bp->flags |= TX_SWITCHING;
3225         else
3226                 bp->flags &= ~TX_SWITCHING;
3227         if (prev_flags == bp->flags)
3228                 return 0;
3229
3230         /* Verify state enables the sending of queue ramrods */
3231         if ((bp->state != BNX2X_STATE_OPEN) ||
3232             (bnx2x_get_q_logical_state(bp,
3233                                       &bnx2x_sp_obj(bp, &bp->fp[0]).q_obj) !=
3234              BNX2X_Q_LOGICAL_STATE_ACTIVE))
3235                 return 0;
3236
3237         /* send q. update ramrod to configure Tx switching */
3238         memset(&q_params, 0, sizeof(q_params));
3239         __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
3240         q_params.cmd = BNX2X_Q_CMD_UPDATE;
3241         __set_bit(BNX2X_Q_UPDATE_TX_SWITCHING_CHNG,
3242                   &q_params.params.update.update_flags);
3243         if (enable)
3244                 __set_bit(BNX2X_Q_UPDATE_TX_SWITCHING,
3245                           &q_params.params.update.update_flags);
3246         else
3247                 __clear_bit(BNX2X_Q_UPDATE_TX_SWITCHING,
3248                             &q_params.params.update.update_flags);
3249
3250         /* send the ramrod on all the queues of the PF */
3251         for_each_eth_queue(bp, i) {
3252                 struct bnx2x_fastpath *fp = &bp->fp[i];
3253
3254                 /* Set the appropriate Queue object */
3255                 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
3256
3257                 /* Update the Queue state */
3258                 rc = bnx2x_queue_state_change(bp, &q_params);
3259                 if (rc) {
3260                         BNX2X_ERR("Failed to configure Tx switching\n");
3261                         return rc;
3262                 }
3263         }
3264
3265         DP(BNX2X_MSG_IOV, "%s Tx Switching\n", enable ? "Enabled" : "Disabled");
3266         return 0;
3267 }
3268
3269 int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param)
3270 {
3271         struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev));
3272
3273         if (!IS_SRIOV(bp)) {
3274                 BNX2X_ERR("failed to configure SR-IOV since vfdb was not allocated. Check dmesg for errors in probe stage\n");
3275                 return -EINVAL;
3276         }
3277
3278         DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n",
3279            num_vfs_param, BNX2X_NR_VIRTFN(bp));
3280
3281         /* HW channel is only operational when PF is up */
3282         if (bp->state != BNX2X_STATE_OPEN) {
3283                 BNX2X_ERR("VF num configuration via sysfs not supported while PF is down\n");
3284                 return -EINVAL;
3285         }
3286
3287         /* we are always bound by the total_vfs in the configuration space */
3288         if (num_vfs_param > BNX2X_NR_VIRTFN(bp)) {
3289                 BNX2X_ERR("truncating requested number of VFs (%d) down to maximum allowed (%d)\n",
3290                           num_vfs_param, BNX2X_NR_VIRTFN(bp));
3291                 num_vfs_param = BNX2X_NR_VIRTFN(bp);
3292         }
3293
3294         bp->requested_nr_virtfn = num_vfs_param;
3295         if (num_vfs_param == 0) {
3296                 bnx2x_set_pf_tx_switching(bp, false);
3297                 pci_disable_sriov(dev);
3298                 return 0;
3299         } else {
3300                 return bnx2x_enable_sriov(bp);
3301         }
3302 }
3303
3304 #define IGU_ENTRY_SIZE 4
3305
3306 int bnx2x_enable_sriov(struct bnx2x *bp)
3307 {
3308         int rc = 0, req_vfs = bp->requested_nr_virtfn;
3309         int vf_idx, sb_idx, vfq_idx, qcount, first_vf;
3310         u32 igu_entry, address;
3311         u16 num_vf_queues;
3312
3313         if (req_vfs == 0)
3314                 return 0;
3315
3316         first_vf = bp->vfdb->sriov.first_vf_in_pf;
3317
3318         /* statically distribute vf sb pool between VFs */
3319         num_vf_queues = min_t(u16, BNX2X_VF_MAX_QUEUES,
3320                               BP_VFDB(bp)->vf_sbs_pool / req_vfs);
3321
3322         /* zero previous values learned from igu cam */
3323         for (vf_idx = 0; vf_idx < req_vfs; vf_idx++) {
3324                 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
3325
3326                 vf->sb_count = 0;
3327                 vf_sb_count(BP_VF(bp, vf_idx)) = 0;
3328         }
3329         bp->vfdb->vf_sbs_pool = 0;
3330
3331         /* prepare IGU cam */
3332         sb_idx = BP_VFDB(bp)->first_vf_igu_entry;
3333         address = IGU_REG_MAPPING_MEMORY + sb_idx * IGU_ENTRY_SIZE;
3334         for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) {
3335                 for (vfq_idx = 0; vfq_idx < num_vf_queues; vfq_idx++) {
3336                         igu_entry = vf_idx << IGU_REG_MAPPING_MEMORY_FID_SHIFT |
3337                                 vfq_idx << IGU_REG_MAPPING_MEMORY_VECTOR_SHIFT |
3338                                 IGU_REG_MAPPING_MEMORY_VALID;
3339                         DP(BNX2X_MSG_IOV, "assigning sb %d to vf %d\n",
3340                            sb_idx, vf_idx);
3341                         REG_WR(bp, address, igu_entry);
3342                         sb_idx++;
3343                         address += IGU_ENTRY_SIZE;
3344                 }
3345         }
3346
3347         /* Reinitialize vf database according to igu cam */
3348         bnx2x_get_vf_igu_cam_info(bp);
3349
3350         DP(BNX2X_MSG_IOV, "vf_sbs_pool %d, num_vf_queues %d\n",
3351            BP_VFDB(bp)->vf_sbs_pool, num_vf_queues);
3352
3353         qcount = 0;
3354         for_each_vf(bp, vf_idx) {
3355                 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
3356
3357                 /* set local queue arrays */
3358                 vf->vfqs = &bp->vfdb->vfqs[qcount];
3359                 qcount += vf_sb_count(vf);
3360                 bnx2x_iov_static_resc(bp, vf);
3361         }
3362
3363         /* prepare msix vectors in VF configuration space - the value in the
3364          * PCI configuration space should be the index of the last entry,
3365          * namely one less than the actual size of the table
3366          */
3367         for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) {
3368                 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf_idx));
3369                 REG_WR(bp, PCICFG_OFFSET + GRC_CONFIG_REG_VF_MSIX_CONTROL,
3370                        num_vf_queues - 1);
3371                 DP(BNX2X_MSG_IOV, "set msix vec num in VF %d cfg space to %d\n",
3372                    vf_idx, num_vf_queues - 1);
3373         }
3374         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
3375
3376         /* enable sriov. This will probe all the VFs, and consequentially cause
3377          * the "acquire" messages to appear on the VF PF channel.
3378          */
3379         DP(BNX2X_MSG_IOV, "about to call enable sriov\n");
3380         bnx2x_disable_sriov(bp);
3381
3382         rc = bnx2x_set_pf_tx_switching(bp, true);
3383         if (rc)
3384                 return rc;
3385
3386         rc = pci_enable_sriov(bp->pdev, req_vfs);
3387         if (rc) {
3388                 BNX2X_ERR("pci_enable_sriov failed with %d\n", rc);
3389                 return rc;
3390         }
3391         DP(BNX2X_MSG_IOV, "sriov enabled (%d vfs)\n", req_vfs);
3392         return req_vfs;
3393 }
3394
3395 void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp)
3396 {
3397         int vfidx;
3398         struct pf_vf_bulletin_content *bulletin;
3399
3400         DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n");
3401         for_each_vf(bp, vfidx) {
3402         bulletin = BP_VF_BULLETIN(bp, vfidx);
3403                 if (BP_VF(bp, vfidx)->cfg_flags & VF_CFG_VLAN)
3404                         bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0);
3405         }
3406 }
3407
3408 void bnx2x_disable_sriov(struct bnx2x *bp)
3409 {
3410         pci_disable_sriov(bp->pdev);
3411 }
3412
3413 static int bnx2x_vf_ndo_prep(struct bnx2x *bp, int vfidx,
3414                              struct bnx2x_virtf **vf,
3415                              struct pf_vf_bulletin_content **bulletin)
3416 {
3417         if (bp->state != BNX2X_STATE_OPEN) {
3418                 BNX2X_ERR("vf ndo called though PF is down\n");
3419                 return -EINVAL;
3420         }
3421
3422         if (!IS_SRIOV(bp)) {
3423                 BNX2X_ERR("vf ndo called though sriov is disabled\n");
3424                 return -EINVAL;
3425         }
3426
3427         if (vfidx >= BNX2X_NR_VIRTFN(bp)) {
3428                 BNX2X_ERR("vf ndo called for uninitialized VF. vfidx was %d BNX2X_NR_VIRTFN was %d\n",
3429                           vfidx, BNX2X_NR_VIRTFN(bp));
3430                 return -EINVAL;
3431         }
3432
3433         /* init members */
3434         *vf = BP_VF(bp, vfidx);
3435         *bulletin = BP_VF_BULLETIN(bp, vfidx);
3436
3437         if (!*vf) {
3438                 BNX2X_ERR("vf ndo called but vf struct is null. vfidx was %d\n",
3439                           vfidx);
3440                 return -EINVAL;
3441         }
3442
3443         if (!(*vf)->vfqs) {
3444                 BNX2X_ERR("vf ndo called but vfqs struct is null. Was ndo invoked before dynamically enabling SR-IOV? vfidx was %d\n",
3445                           vfidx);
3446                 return -EINVAL;
3447         }
3448
3449         if (!*bulletin) {
3450                 BNX2X_ERR("vf ndo called but Bulletin Board struct is null. vfidx was %d\n",
3451                           vfidx);
3452                 return -EINVAL;
3453         }
3454
3455         return 0;
3456 }
3457
3458 int bnx2x_get_vf_config(struct net_device *dev, int vfidx,
3459                         struct ifla_vf_info *ivi)
3460 {
3461         struct bnx2x *bp = netdev_priv(dev);
3462         struct bnx2x_virtf *vf = NULL;
3463         struct pf_vf_bulletin_content *bulletin = NULL;
3464         struct bnx2x_vlan_mac_obj *mac_obj;
3465         struct bnx2x_vlan_mac_obj *vlan_obj;
3466         int rc;
3467
3468         /* sanity and init */
3469         rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3470         if (rc)
3471                 return rc;
3472         mac_obj = &bnx2x_leading_vfq(vf, mac_obj);
3473         vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj);
3474         if (!mac_obj || !vlan_obj) {
3475                 BNX2X_ERR("VF partially initialized\n");
3476                 return -EINVAL;
3477         }
3478
3479         ivi->vf = vfidx;
3480         ivi->qos = 0;
3481         ivi->tx_rate = 10000; /* always 10G. TBA take from link struct */
3482         ivi->spoofchk = 1; /*always enabled */
3483         if (vf->state == VF_ENABLED) {
3484                 /* mac and vlan are in vlan_mac objects */
3485                 if (bnx2x_validate_vf_sp_objs(bp, vf, false)) {
3486                         mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac,
3487                                                 0, ETH_ALEN);
3488                         vlan_obj->get_n_elements(bp, vlan_obj, 1,
3489                                                  (u8 *)&ivi->vlan, 0,
3490                                                  VLAN_HLEN);
3491                 }
3492         } else {
3493                 /* mac */
3494                 if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID))
3495                         /* mac configured by ndo so its in bulletin board */
3496                         memcpy(&ivi->mac, bulletin->mac, ETH_ALEN);
3497                 else
3498                         /* function has not been loaded yet. Show mac as 0s */
3499                         memset(&ivi->mac, 0, ETH_ALEN);
3500
3501                 /* vlan */
3502                 if (bulletin->valid_bitmap & (1 << VLAN_VALID))
3503                         /* vlan configured by ndo so its in bulletin board */
3504                         memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN);
3505                 else
3506                         /* function has not been loaded yet. Show vlans as 0s */
3507                         memset(&ivi->vlan, 0, VLAN_HLEN);
3508         }
3509
3510         return 0;
3511 }
3512
3513 /* New mac for VF. Consider these cases:
3514  * 1. VF hasn't been acquired yet - save the mac in local bulletin board and
3515  *    supply at acquire.
3516  * 2. VF has already been acquired but has not yet initialized - store in local
3517  *    bulletin board. mac will be posted on VF bulletin board after VF init. VF
3518  *    will configure this mac when it is ready.
3519  * 3. VF has already initialized but has not yet setup a queue - post the new
3520  *    mac on VF's bulletin board right now. VF will configure this mac when it
3521  *    is ready.
3522  * 4. VF has already set a queue - delete any macs already configured for this
3523  *    queue and manually config the new mac.
3524  * In any event, once this function has been called refuse any attempts by the
3525  * VF to configure any mac for itself except for this mac. In case of a race
3526  * where the VF fails to see the new post on its bulletin board before sending a
3527  * mac configuration request, the PF will simply fail the request and VF can try
3528  * again after consulting its bulletin board.
3529  */
3530 int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac)
3531 {
3532         struct bnx2x *bp = netdev_priv(dev);
3533         int rc, q_logical_state;
3534         struct bnx2x_virtf *vf = NULL;
3535         struct pf_vf_bulletin_content *bulletin = NULL;
3536
3537         /* sanity and init */
3538         rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3539         if (rc)
3540                 return rc;
3541         if (!is_valid_ether_addr(mac)) {
3542                 BNX2X_ERR("mac address invalid\n");
3543                 return -EINVAL;
3544         }
3545
3546         /* update PF's copy of the VF's bulletin. Will no longer accept mac
3547          * configuration requests from vf unless match this mac
3548          */
3549         bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID;
3550         memcpy(bulletin->mac, mac, ETH_ALEN);
3551
3552         /* Post update on VF's bulletin board */
3553         rc = bnx2x_post_vf_bulletin(bp, vfidx);
3554         if (rc) {
3555                 BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx);
3556                 return rc;
3557         }
3558
3559         q_logical_state =
3560                 bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj));
3561         if (vf->state == VF_ENABLED &&
3562             q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3563                 /* configure the mac in device on this vf's queue */
3564                 unsigned long ramrod_flags = 0;
3565                 struct bnx2x_vlan_mac_obj *mac_obj;
3566
3567                 /* User should be able to see failure reason in system logs */
3568                 if (!bnx2x_validate_vf_sp_objs(bp, vf, true))
3569                         return -EINVAL;
3570
3571                 /* must lock vfpf channel to protect against vf flows */
3572                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3573
3574                 /* remove existing eth macs */
3575                 mac_obj = &bnx2x_leading_vfq(vf, mac_obj);
3576                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true);
3577                 if (rc) {
3578                         BNX2X_ERR("failed to delete eth macs\n");
3579                         rc = -EINVAL;
3580                         goto out;
3581                 }
3582
3583                 /* remove existing uc list macs */
3584                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true);
3585                 if (rc) {
3586                         BNX2X_ERR("failed to delete uc_list macs\n");
3587                         rc = -EINVAL;
3588                         goto out;
3589                 }
3590
3591                 /* configure the new mac to device */
3592                 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3593                 bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true,
3594                                   BNX2X_ETH_MAC, &ramrod_flags);
3595
3596 out:
3597                 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3598         }
3599
3600         return 0;
3601 }
3602
3603 int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)
3604 {
3605         struct bnx2x_queue_state_params q_params = {NULL};
3606         struct bnx2x_vlan_mac_ramrod_params ramrod_param;
3607         struct bnx2x_queue_update_params *update_params;
3608         struct pf_vf_bulletin_content *bulletin = NULL;
3609         struct bnx2x_rx_mode_ramrod_params rx_ramrod;
3610         struct bnx2x *bp = netdev_priv(dev);
3611         struct bnx2x_vlan_mac_obj *vlan_obj;
3612         unsigned long vlan_mac_flags = 0;
3613         unsigned long ramrod_flags = 0;
3614         struct bnx2x_virtf *vf = NULL;
3615         unsigned long accept_flags;
3616         int rc;
3617
3618         /* sanity and init */
3619         rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3620         if (rc)
3621                 return rc;
3622
3623         if (vlan > 4095) {
3624                 BNX2X_ERR("illegal vlan value %d\n", vlan);
3625                 return -EINVAL;
3626         }
3627
3628         DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n",
3629            vfidx, vlan, 0);
3630
3631         /* update PF's copy of the VF's bulletin. No point in posting the vlan
3632          * to the VF since it doesn't have anything to do with it. But it useful
3633          * to store it here in case the VF is not up yet and we can only
3634          * configure the vlan later when it does. Treat vlan id 0 as remove the
3635          * Host tag.
3636          */
3637         if (vlan > 0)
3638                 bulletin->valid_bitmap |= 1 << VLAN_VALID;
3639         else
3640                 bulletin->valid_bitmap &= ~(1 << VLAN_VALID);
3641         bulletin->vlan = vlan;
3642
3643         /* is vf initialized and queue set up? */
3644         if (vf->state != VF_ENABLED ||
3645             bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj)) !=
3646             BNX2X_Q_LOGICAL_STATE_ACTIVE)
3647                 return rc;
3648
3649         /* User should be able to see error in system logs */
3650         if (!bnx2x_validate_vf_sp_objs(bp, vf, true))
3651                 return -EINVAL;
3652
3653         /* must lock vfpf channel to protect against vf flows */
3654         bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3655
3656         /* remove existing vlans */
3657         __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3658         vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj);
3659         rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags,
3660                                   &ramrod_flags);
3661         if (rc) {
3662                 BNX2X_ERR("failed to delete vlans\n");
3663                 rc = -EINVAL;
3664                 goto out;
3665         }
3666
3667         /* need to remove/add the VF's accept_any_vlan bit */
3668         accept_flags = bnx2x_leading_vfq(vf, accept_flags);
3669         if (vlan)
3670                 clear_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
3671         else
3672                 set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
3673
3674         bnx2x_vf_prep_rx_mode(bp, LEADING_IDX, &rx_ramrod, vf,
3675                               accept_flags);
3676         bnx2x_leading_vfq(vf, accept_flags) = accept_flags;
3677         bnx2x_config_rx_mode(bp, &rx_ramrod);
3678
3679         /* configure the new vlan to device */
3680         memset(&ramrod_param, 0, sizeof(ramrod_param));
3681         __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3682         ramrod_param.vlan_mac_obj = vlan_obj;
3683         ramrod_param.ramrod_flags = ramrod_flags;
3684         set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT,
3685                 &ramrod_param.user_req.vlan_mac_flags);
3686         ramrod_param.user_req.u.vlan.vlan = vlan;
3687         ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
3688         rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
3689         if (rc) {
3690                 BNX2X_ERR("failed to configure vlan\n");
3691                 rc =  -EINVAL;
3692                 goto out;
3693         }
3694
3695         /* send queue update ramrod to configure default vlan and silent
3696          * vlan removal
3697          */
3698         __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
3699         q_params.cmd = BNX2X_Q_CMD_UPDATE;
3700         q_params.q_obj = &bnx2x_leading_vfq(vf, sp_obj);
3701         update_params = &q_params.params.update;
3702         __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
3703                   &update_params->update_flags);
3704         __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
3705                   &update_params->update_flags);
3706         if (vlan == 0) {
3707                 /* if vlan is 0 then we want to leave the VF traffic
3708                  * untagged, and leave the incoming traffic untouched
3709                  * (i.e. do not remove any vlan tags).
3710                  */
3711                 __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3712                             &update_params->update_flags);
3713                 __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3714                             &update_params->update_flags);
3715         } else {
3716                 /* configure default vlan to vf queue and set silent
3717                  * vlan removal (the vf remains unaware of this vlan).
3718                  */
3719                 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3720                           &update_params->update_flags);
3721                 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3722                           &update_params->update_flags);
3723                 update_params->def_vlan = vlan;
3724                 update_params->silent_removal_value =
3725                         vlan & VLAN_VID_MASK;
3726                 update_params->silent_removal_mask = VLAN_VID_MASK;
3727         }
3728
3729         /* Update the Queue state */
3730         rc = bnx2x_queue_state_change(bp, &q_params);
3731         if (rc) {
3732                 BNX2X_ERR("Failed to configure default VLAN\n");
3733                 goto out;
3734         }
3735
3736
3737         /* clear the flag indicating that this VF needs its vlan
3738          * (will only be set if the HV configured the Vlan before vf was
3739          * up and we were called because the VF came up later
3740          */
3741 out:
3742         vf->cfg_flags &= ~VF_CFG_VLAN;
3743         bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3744
3745         return rc;
3746 }
3747
3748 /* crc is the first field in the bulletin board. Compute the crc over the
3749  * entire bulletin board excluding the crc field itself. Use the length field
3750  * as the Bulletin Board was posted by a PF with possibly a different version
3751  * from the vf which will sample it. Therefore, the length is computed by the
3752  * PF and the used blindly by the VF.
3753  */
3754 u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp,
3755                           struct pf_vf_bulletin_content *bulletin)
3756 {
3757         return crc32(BULLETIN_CRC_SEED,
3758                  ((u8 *)bulletin) + sizeof(bulletin->crc),
3759                  bulletin->length - sizeof(bulletin->crc));
3760 }
3761
3762 /* Check for new posts on the bulletin board */
3763 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
3764 {
3765         struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
3766         int attempts;
3767
3768         /* bulletin board hasn't changed since last sample */
3769         if (bp->old_bulletin.version == bulletin.version)
3770                 return PFVF_BULLETIN_UNCHANGED;
3771
3772         /* validate crc of new bulletin board */
3773         if (bp->old_bulletin.version != bp->pf2vf_bulletin->content.version) {
3774                 /* sampling structure in mid post may result with corrupted data
3775                  * validate crc to ensure coherency.
3776                  */
3777                 for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) {
3778                         bulletin = bp->pf2vf_bulletin->content;
3779                         if (bulletin.crc == bnx2x_crc_vf_bulletin(bp,
3780                                                                   &bulletin))
3781                                 break;
3782                         BNX2X_ERR("bad crc on bulletin board. Contained %x computed %x\n",
3783                                   bulletin.crc,
3784                                   bnx2x_crc_vf_bulletin(bp, &bulletin));
3785                 }
3786                 if (attempts >= BULLETIN_ATTEMPTS) {
3787                         BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n",
3788                                   attempts);
3789                         return PFVF_BULLETIN_CRC_ERR;
3790                 }
3791         }
3792
3793         /* the mac address in bulletin board is valid and is new */
3794         if (bulletin.valid_bitmap & 1 << MAC_ADDR_VALID &&
3795             !ether_addr_equal(bulletin.mac, bp->old_bulletin.mac)) {
3796                 /* update new mac to net device */
3797                 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
3798         }
3799
3800         /* the vlan in bulletin board is valid and is new */
3801         if (bulletin.valid_bitmap & 1 << VLAN_VALID)
3802                 memcpy(&bulletin.vlan, &bp->old_bulletin.vlan, VLAN_HLEN);
3803
3804         /* copy new bulletin board to bp */
3805         bp->old_bulletin = bulletin;
3806
3807         return PFVF_BULLETIN_UPDATED;
3808 }
3809
3810 void bnx2x_timer_sriov(struct bnx2x *bp)
3811 {
3812         bnx2x_sample_bulletin(bp);
3813
3814         /* if channel is down we need to self destruct */
3815         if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
3816                 smp_mb__before_clear_bit();
3817                 set_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
3818                         &bp->sp_rtnl_state);
3819                 smp_mb__after_clear_bit();
3820                 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3821         }
3822 }
3823
3824 void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)
3825 {
3826         /* vf doorbells are embedded within the regview */
3827         return bp->regview + PXP_VF_ADDR_DB_START;
3828 }
3829
3830 int bnx2x_vf_pci_alloc(struct bnx2x *bp)
3831 {
3832         mutex_init(&bp->vf2pf_mutex);
3833
3834         /* allocate vf2pf mailbox for vf to pf channel */
3835         BNX2X_PCI_ALLOC(bp->vf2pf_mbox, &bp->vf2pf_mbox_mapping,
3836                         sizeof(struct bnx2x_vf_mbx_msg));
3837
3838         /* allocate pf 2 vf bulletin board */
3839         BNX2X_PCI_ALLOC(bp->pf2vf_bulletin, &bp->pf2vf_bulletin_mapping,
3840                         sizeof(union pf_vf_bulletin));
3841
3842         return 0;
3843
3844 alloc_mem_err:
3845         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3846                        sizeof(struct bnx2x_vf_mbx_msg));
3847         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->pf2vf_bulletin_mapping,
3848                        sizeof(union pf_vf_bulletin));
3849         return -ENOMEM;
3850 }
3851
3852 void bnx2x_iov_channel_down(struct bnx2x *bp)
3853 {
3854         int vf_idx;
3855         struct pf_vf_bulletin_content *bulletin;
3856
3857         if (!IS_SRIOV(bp))
3858                 return;
3859
3860         for_each_vf(bp, vf_idx) {
3861                 /* locate this VFs bulletin board and update the channel down
3862                  * bit
3863                  */
3864                 bulletin = BP_VF_BULLETIN(bp, vf_idx);
3865                 bulletin->valid_bitmap |= 1 << CHANNEL_DOWN;
3866
3867                 /* update vf bulletin board */
3868                 bnx2x_post_vf_bulletin(bp, vf_idx);
3869         }
3870 }