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

   1 /* bnx2x_sriov.c: Broadcom Everest network driver.
   2  *
   3  * Copyright 2009-2013 Broadcom Corporation
   4  *
   5  * Unless you and Broadcom execute a separate written software license
   6  * agreement governing use of this software, this software is licensed to you
   7  * under the terms of the GNU General Public License version 2, available
   8  * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
   9  *
  10  * Notwithstanding the above, under no circumstances may you combine this
  11  * software in any way with any other Broadcom software provided under a
  12  * license other than the GPL, without Broadcom's express prior written
  13  * consent.
  14  *
  15  * Maintained by: Eilon Greenstein <eilong@broadcom.com>
  16  * Written by: Shmulik Ravid <shmulikr@broadcom.com>
  17  *             Ariel Elior <ariele@broadcom.com>
  18  *
  19  */
  20 #include "bnx2x.h"
  21 #include "bnx2x_init.h"
  22 #include "bnx2x_cmn.h"
  23 #include "bnx2x_sp.h"
  24 #include <linux/crc32.h>
  25 #include <linux/if_vlan.h>
  26
  27 /* General service functions */
  28 static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
  29                                          u16 pf_id)
  30 {
  31         REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
  32                 pf_id);
  33         REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
  34                 pf_id);
  35         REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
  36                 pf_id);
  37         REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
  38                 pf_id);
  39 }
  40
  41 static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
  42                                         u8 enable)
  43 {
  44         REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
  45                 enable);
  46         REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
  47                 enable);
  48         REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
  49                 enable);
  50         REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
  51                 enable);
  52 }
  53
  54 int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
  55 {
  56         int idx;
  57
  58         for_each_vf(bp, idx)
  59                 if (bnx2x_vf(bp, idx, abs_vfid) == abs_vfid)
  60                         break;
  61         return idx;
  62 }
  63
  64 static
  65 struct bnx2x_virtf *bnx2x_vf_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
  66 {
  67         u16 idx =  (u16)bnx2x_vf_idx_by_abs_fid(bp, abs_vfid);
  68         return (idx < BNX2X_NR_VIRTFN(bp)) ? BP_VF(bp, idx) : NULL;
  69 }
  70
  71 static void bnx2x_vf_igu_ack_sb(struct bnx2x *bp, struct bnx2x_virtf *vf,
  72                                 u8 igu_sb_id, u8 segment, u16 index, u8 op,
  73                                 u8 update)
  74 {
  75         /* acking a VF sb through the PF - use the GRC */
  76         u32 ctl;
  77         u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
  78         u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
  79         u32 func_encode = vf->abs_vfid;
  80         u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + igu_sb_id;
  81         struct igu_regular cmd_data = {0};
  82
  83         cmd_data.sb_id_and_flags =
  84                         ((index << IGU_REGULAR_SB_INDEX_SHIFT) |
  85                          (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) |
  86                          (update << IGU_REGULAR_BUPDATE_SHIFT) |
  87                          (op << IGU_REGULAR_ENABLE_INT_SHIFT));
  88
  89         ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT         |
  90               func_encode << IGU_CTRL_REG_FID_SHIFT             |
  91               IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
  92
  93         DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
  94            cmd_data.sb_id_and_flags, igu_addr_data);
  95         REG_WR(bp, igu_addr_data, cmd_data.sb_id_and_flags);
  96         mmiowb();
  97         barrier();
  98
  99         DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
 100            ctl, igu_addr_ctl);
 101         REG_WR(bp, igu_addr_ctl, ctl);
 102         mmiowb();
 103         barrier();
 104 }
 105 /* VFOP - VF slow-path operation support */
 106
 107 #define BNX2X_VFOP_FILTER_ADD_CNT_MAX           0x10000
 108
 109 /* VFOP operations states */
 110 enum bnx2x_vfop_qctor_state {
 111            BNX2X_VFOP_QCTOR_INIT,
 112            BNX2X_VFOP_QCTOR_SETUP,
 113            BNX2X_VFOP_QCTOR_INT_EN
 114 };
 115
 116 enum bnx2x_vfop_qdtor_state {
 117            BNX2X_VFOP_QDTOR_HALT,
 118            BNX2X_VFOP_QDTOR_TERMINATE,
 119            BNX2X_VFOP_QDTOR_CFCDEL,
 120            BNX2X_VFOP_QDTOR_DONE
 121 };
 122
 123 enum bnx2x_vfop_vlan_mac_state {
 124            BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE,
 125            BNX2X_VFOP_VLAN_MAC_CLEAR,
 126            BNX2X_VFOP_VLAN_MAC_CHK_DONE,
 127            BNX2X_VFOP_MAC_CONFIG_LIST,
 128            BNX2X_VFOP_VLAN_CONFIG_LIST,
 129            BNX2X_VFOP_VLAN_CONFIG_LIST_0
 130 };
 131
 132 enum bnx2x_vfop_qsetup_state {
 133            BNX2X_VFOP_QSETUP_CTOR,
 134            BNX2X_VFOP_QSETUP_VLAN0,
 135            BNX2X_VFOP_QSETUP_DONE
 136 };
 137
 138 enum bnx2x_vfop_mcast_state {
 139            BNX2X_VFOP_MCAST_DEL,
 140            BNX2X_VFOP_MCAST_ADD,
 141            BNX2X_VFOP_MCAST_CHK_DONE
 142 };
 143 enum bnx2x_vfop_qflr_state {
 144            BNX2X_VFOP_QFLR_CLR_VLAN,
 145            BNX2X_VFOP_QFLR_CLR_MAC,
 146            BNX2X_VFOP_QFLR_TERMINATE,
 147            BNX2X_VFOP_QFLR_DONE
 148 };
 149
 150 enum bnx2x_vfop_flr_state {
 151            BNX2X_VFOP_FLR_QUEUES,
 152            BNX2X_VFOP_FLR_HW
 153 };
 154
 155 enum bnx2x_vfop_close_state {
 156            BNX2X_VFOP_CLOSE_QUEUES,
 157            BNX2X_VFOP_CLOSE_HW
 158 };
 159
 160 enum bnx2x_vfop_rxmode_state {
 161            BNX2X_VFOP_RXMODE_CONFIG,
 162            BNX2X_VFOP_RXMODE_DONE
 163 };
 164
 165 enum bnx2x_vfop_qteardown_state {
 166            BNX2X_VFOP_QTEARDOWN_RXMODE,
 167            BNX2X_VFOP_QTEARDOWN_CLR_VLAN,
 168            BNX2X_VFOP_QTEARDOWN_CLR_MAC,
 169            BNX2X_VFOP_QTEARDOWN_QDTOR,
 170            BNX2X_VFOP_QTEARDOWN_DONE
 171 };
 172
 173 #define bnx2x_vfop_reset_wq(vf) atomic_set(&vf->op_in_progress, 0)
 174
 175 void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf,
 176                               struct bnx2x_queue_init_params *init_params,
 177                               struct bnx2x_queue_setup_params *setup_params,
 178                               u16 q_idx, u16 sb_idx)
 179 {
 180         DP(BNX2X_MSG_IOV,
 181            "VF[%d] Q_SETUP: txq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, flags=0x%lx, traffic-type=%d",
 182            vf->abs_vfid,
 183            q_idx,
 184            sb_idx,
 185            init_params->tx.sb_cq_index,
 186            init_params->tx.hc_rate,
 187            setup_params->flags,
 188            setup_params->txq_params.traffic_type);
 189 }
 190
 191 void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf,
 192                             struct bnx2x_queue_init_params *init_params,
 193                             struct bnx2x_queue_setup_params *setup_params,
 194                             u16 q_idx, u16 sb_idx)
 195 {
 196         struct bnx2x_rxq_setup_params *rxq_params = &setup_params->rxq_params;
 197
 198         DP(BNX2X_MSG_IOV, "VF[%d] Q_SETUP: rxq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, mtu=%d, buf-size=%d\n"
 199            "sge-size=%d, max_sge_pkt=%d, tpa-agg-size=%d, flags=0x%lx, drop-flags=0x%x, cache-log=%d\n",
 200            vf->abs_vfid,
 201            q_idx,
 202            sb_idx,
 203            init_params->rx.sb_cq_index,
 204            init_params->rx.hc_rate,
 205            setup_params->gen_params.mtu,
 206            rxq_params->buf_sz,
 207            rxq_params->sge_buf_sz,
 208            rxq_params->max_sges_pkt,
 209            rxq_params->tpa_agg_sz,
 210            setup_params->flags,
 211            rxq_params->drop_flags,
 212            rxq_params->cache_line_log);
 213 }
 214
 215 void bnx2x_vfop_qctor_prep(struct bnx2x *bp,
 216                            struct bnx2x_virtf *vf,
 217                            struct bnx2x_vf_queue *q,
 218                            struct bnx2x_vfop_qctor_params *p,
 219                            unsigned long q_type)
 220 {
 221         struct bnx2x_queue_init_params *init_p = &p->qstate.params.init;
 222         struct bnx2x_queue_setup_params *setup_p = &p->prep_qsetup;
 223
 224         /* INIT */
 225
 226         /* Enable host coalescing in the transition to INIT state */
 227         if (test_bit(BNX2X_Q_FLG_HC, &init_p->rx.flags))
 228                 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->rx.flags);
 229
 230         if (test_bit(BNX2X_Q_FLG_HC, &init_p->tx.flags))
 231                 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->tx.flags);
 232
 233         /* FW SB ID */
 234         init_p->rx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 235         init_p->tx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 236
 237         /* context */
 238         init_p->cxts[0] = q->cxt;
 239
 240         /* SETUP */
 241
 242         /* Setup-op general parameters */
 243         setup_p->gen_params.spcl_id = vf->sp_cl_id;
 244         setup_p->gen_params.stat_id = vfq_stat_id(vf, q);
 245
 246         /* Setup-op pause params:
 247          * Nothing to do, the pause thresholds are set by default to 0 which
 248          * effectively turns off the feature for this queue. We don't want
 249          * one queue (VF) to interfering with another queue (another VF)
 250          */
 251         if (vf->cfg_flags & VF_CFG_FW_FC)
 252                 BNX2X_ERR("No support for pause to VFs (abs_vfid: %d)\n",
 253                           vf->abs_vfid);
 254         /* Setup-op flags:
 255          * collect statistics, zero statistics, local-switching, security,
 256          * OV for Flex10, RSS and MCAST for leading
 257          */
 258         if (test_bit(BNX2X_Q_FLG_STATS, &setup_p->flags))
 259                 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &setup_p->flags);
 260
 261         /* for VFs, enable tx switching, bd coherency, and mac address
 262          * anti-spoofing
 263          */
 264         __set_bit(BNX2X_Q_FLG_TX_SWITCH, &setup_p->flags);
 265         __set_bit(BNX2X_Q_FLG_TX_SEC, &setup_p->flags);
 266         __set_bit(BNX2X_Q_FLG_ANTI_SPOOF, &setup_p->flags);
 267
 268         if (vfq_is_leading(q)) {
 269                 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &setup_p->flags);
 270                 __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags);
 271         }
 272
 273         /* Setup-op rx parameters */
 274         if (test_bit(BNX2X_Q_TYPE_HAS_RX, &q_type)) {
 275                 struct bnx2x_rxq_setup_params *rxq_p = &setup_p->rxq_params;
 276
 277                 rxq_p->cl_qzone_id = vfq_qzone_id(vf, q);
 278                 rxq_p->fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 279                 rxq_p->rss_engine_id = FW_VF_HANDLE(vf->abs_vfid);
 280
 281                 if (test_bit(BNX2X_Q_FLG_TPA, &setup_p->flags))
 282                         rxq_p->max_tpa_queues = BNX2X_VF_MAX_TPA_AGG_QUEUES;
 283         }
 284
 285         /* Setup-op tx parameters */
 286         if (test_bit(BNX2X_Q_TYPE_HAS_TX, &q_type)) {
 287                 setup_p->txq_params.tss_leading_cl_id = vf->leading_rss;
 288                 setup_p->txq_params.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
 289         }
 290 }
 291
 292 /* VFOP queue construction */
 293 static void bnx2x_vfop_qctor(struct bnx2x *bp, struct bnx2x_virtf *vf)
 294 {
 295         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 296         struct bnx2x_vfop_args_qctor *args = &vfop->args.qctor;
 297         struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate;
 298         enum bnx2x_vfop_qctor_state state = vfop->state;
 299
 300         bnx2x_vfop_reset_wq(vf);
 301
 302         if (vfop->rc < 0)
 303                 goto op_err;
 304
 305         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 306
 307         switch (state) {
 308         case BNX2X_VFOP_QCTOR_INIT:
 309
 310                 /* has this queue already been opened? */
 311                 if (bnx2x_get_q_logical_state(bp, q_params->q_obj) ==
 312                     BNX2X_Q_LOGICAL_STATE_ACTIVE) {
 313                         DP(BNX2X_MSG_IOV,
 314                            "Entered qctor but queue was already up. Aborting gracefully\n");
 315                         goto op_done;
 316                 }
 317
 318                 /* next state */
 319                 vfop->state = BNX2X_VFOP_QCTOR_SETUP;
 320
 321                 q_params->cmd = BNX2X_Q_CMD_INIT;
 322                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 323
 324                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 325
 326         case BNX2X_VFOP_QCTOR_SETUP:
 327                 /* next state */
 328                 vfop->state = BNX2X_VFOP_QCTOR_INT_EN;
 329
 330                 /* copy pre-prepared setup params to the queue-state params */
 331                 vfop->op_p->qctor.qstate.params.setup =
 332                         vfop->op_p->qctor.prep_qsetup;
 333
 334                 q_params->cmd = BNX2X_Q_CMD_SETUP;
 335                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 336
 337                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 338
 339         case BNX2X_VFOP_QCTOR_INT_EN:
 340
 341                 /* enable interrupts */
 342                 bnx2x_vf_igu_ack_sb(bp, vf, vf_igu_sb(vf, args->sb_idx),
 343                                     USTORM_ID, 0, IGU_INT_ENABLE, 0);
 344                 goto op_done;
 345         default:
 346                 bnx2x_vfop_default(state);
 347         }
 348 op_err:
 349         BNX2X_ERR("QCTOR[%d:%d] error: cmd %d, rc %d\n",
 350                   vf->abs_vfid, args->qid, q_params->cmd, vfop->rc);
 351 op_done:
 352         bnx2x_vfop_end(bp, vf, vfop);
 353 op_pending:
 354         return;
 355 }
 356
 357 static int bnx2x_vfop_qctor_cmd(struct bnx2x *bp,
 358                                 struct bnx2x_virtf *vf,
 359                                 struct bnx2x_vfop_cmd *cmd,
 360                                 int qid)
 361 {
 362         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 363
 364         if (vfop) {
 365                 vf->op_params.qctor.qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj);
 366
 367                 vfop->args.qctor.qid = qid;
 368                 vfop->args.qctor.sb_idx = bnx2x_vfq(vf, qid, sb_idx);
 369
 370                 bnx2x_vfop_opset(BNX2X_VFOP_QCTOR_INIT,
 371                                  bnx2x_vfop_qctor, cmd->done);
 372                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qctor,
 373                                              cmd->block);
 374         }
 375         return -ENOMEM;
 376 }
 377
 378 /* VFOP queue destruction */
 379 static void bnx2x_vfop_qdtor(struct bnx2x *bp, struct bnx2x_virtf *vf)
 380 {
 381         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 382         struct bnx2x_vfop_args_qdtor *qdtor = &vfop->args.qdtor;
 383         struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate;
 384         enum bnx2x_vfop_qdtor_state state = vfop->state;
 385
 386         bnx2x_vfop_reset_wq(vf);
 387
 388         if (vfop->rc < 0)
 389                 goto op_err;
 390
 391         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 392
 393         switch (state) {
 394         case BNX2X_VFOP_QDTOR_HALT:
 395
 396                 /* has this queue already been stopped? */
 397                 if (bnx2x_get_q_logical_state(bp, q_params->q_obj) ==
 398                     BNX2X_Q_LOGICAL_STATE_STOPPED) {
 399                         DP(BNX2X_MSG_IOV,
 400                            "Entered qdtor but queue was already stopped. Aborting gracefully\n");
 401                         goto op_done;
 402                 }
 403
 404                 /* next state */
 405                 vfop->state = BNX2X_VFOP_QDTOR_TERMINATE;
 406
 407                 q_params->cmd = BNX2X_Q_CMD_HALT;
 408                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 409
 410                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 411
 412         case BNX2X_VFOP_QDTOR_TERMINATE:
 413                 /* next state */
 414                 vfop->state = BNX2X_VFOP_QDTOR_CFCDEL;
 415
 416                 q_params->cmd = BNX2X_Q_CMD_TERMINATE;
 417                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 418
 419                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
 420
 421         case BNX2X_VFOP_QDTOR_CFCDEL:
 422                 /* next state */
 423                 vfop->state = BNX2X_VFOP_QDTOR_DONE;
 424
 425                 q_params->cmd = BNX2X_Q_CMD_CFC_DEL;
 426                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
 427
 428                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 429 op_err:
 430         BNX2X_ERR("QDTOR[%d:%d] error: cmd %d, rc %d\n",
 431                   vf->abs_vfid, qdtor->qid, q_params->cmd, vfop->rc);
 432 op_done:
 433         case BNX2X_VFOP_QDTOR_DONE:
 434                 /* invalidate the context */
 435                 qdtor->cxt->ustorm_ag_context.cdu_usage = 0;
 436                 qdtor->cxt->xstorm_ag_context.cdu_reserved = 0;
 437                 bnx2x_vfop_end(bp, vf, vfop);
 438                 return;
 439         default:
 440                 bnx2x_vfop_default(state);
 441         }
 442 op_pending:
 443         return;
 444 }
 445
 446 static int bnx2x_vfop_qdtor_cmd(struct bnx2x *bp,
 447                                 struct bnx2x_virtf *vf,
 448                                 struct bnx2x_vfop_cmd *cmd,
 449                                 int qid)
 450 {
 451         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 452
 453         if (vfop) {
 454                 struct bnx2x_queue_state_params *qstate =
 455                         &vf->op_params.qctor.qstate;
 456
 457                 memset(qstate, 0, sizeof(*qstate));
 458                 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
 459
 460                 vfop->args.qdtor.qid = qid;
 461                 vfop->args.qdtor.cxt = bnx2x_vfq(vf, qid, cxt);
 462
 463                 bnx2x_vfop_opset(BNX2X_VFOP_QDTOR_HALT,
 464                                  bnx2x_vfop_qdtor, cmd->done);
 465                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdtor,
 466                                              cmd->block);
 467         }
 468         DP(BNX2X_MSG_IOV, "VF[%d] failed to add a vfop.\n", vf->abs_vfid);
 469         return -ENOMEM;
 470 }
 471
 472 static void
 473 bnx2x_vf_set_igu_info(struct bnx2x *bp, u8 igu_sb_id, u8 abs_vfid)
 474 {
 475         struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
 476         if (vf) {
 477                 if (!vf_sb_count(vf))
 478                         vf->igu_base_id = igu_sb_id;
 479                 ++vf_sb_count(vf);
 480         }
 481 }
 482
 483 /* VFOP MAC/VLAN helpers */
 484 static inline void bnx2x_vfop_credit(struct bnx2x *bp,
 485                                      struct bnx2x_vfop *vfop,
 486                                      struct bnx2x_vlan_mac_obj *obj)
 487 {
 488         struct bnx2x_vfop_args_filters *args = &vfop->args.filters;
 489
 490         /* update credit only if there is no error
 491          * and a valid credit counter
 492          */
 493         if (!vfop->rc && args->credit) {
 494                 int cnt = 0;
 495                 struct list_head *pos;
 496
 497                 list_for_each(pos, &obj->head)
 498                         cnt++;
 499
 500                 atomic_set(args->credit, cnt);
 501         }
 502 }
 503
 504 static int bnx2x_vfop_set_user_req(struct bnx2x *bp,
 505                                     struct bnx2x_vfop_filter *pos,
 506                                     struct bnx2x_vlan_mac_data *user_req)
 507 {
 508         user_req->cmd = pos->add ? BNX2X_VLAN_MAC_ADD :
 509                 BNX2X_VLAN_MAC_DEL;
 510
 511         switch (pos->type) {
 512         case BNX2X_VFOP_FILTER_MAC:
 513                 memcpy(user_req->u.mac.mac, pos->mac, ETH_ALEN);
 514                 break;
 515         case BNX2X_VFOP_FILTER_VLAN:
 516                 user_req->u.vlan.vlan = pos->vid;
 517                 break;
 518         default:
 519                 BNX2X_ERR("Invalid filter type, skipping\n");
 520                 return 1;
 521         }
 522         return 0;
 523 }
 524
 525 static int
 526 bnx2x_vfop_config_vlan0(struct bnx2x *bp,
 527                         struct bnx2x_vlan_mac_ramrod_params *vlan_mac,
 528                         bool add)
 529 {
 530         int rc;
 531
 532         vlan_mac->user_req.cmd = add ? BNX2X_VLAN_MAC_ADD :
 533                 BNX2X_VLAN_MAC_DEL;
 534         vlan_mac->user_req.u.vlan.vlan = 0;
 535
 536         rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 537         if (rc == -EEXIST)
 538                 rc = 0;
 539         return rc;
 540 }
 541
 542 static int bnx2x_vfop_config_list(struct bnx2x *bp,
 543                                   struct bnx2x_vfop_filters *filters,
 544                                   struct bnx2x_vlan_mac_ramrod_params *vlan_mac)
 545 {
 546         struct bnx2x_vfop_filter *pos, *tmp;
 547         struct list_head rollback_list, *filters_list = &filters->head;
 548         struct bnx2x_vlan_mac_data *user_req = &vlan_mac->user_req;
 549         int rc = 0, cnt = 0;
 550
 551         INIT_LIST_HEAD(&rollback_list);
 552
 553         list_for_each_entry_safe(pos, tmp, filters_list, link) {
 554                 if (bnx2x_vfop_set_user_req(bp, pos, user_req))
 555                         continue;
 556
 557                 rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 558                 if (rc >= 0) {
 559                         cnt += pos->add ? 1 : -1;
 560                         list_del(&pos->link);
 561                         list_add(&pos->link, &rollback_list);
 562                         rc = 0;
 563                 } else if (rc == -EEXIST) {
 564                         rc = 0;
 565                 } else {
 566                         BNX2X_ERR("Failed to add a new vlan_mac command\n");
 567                         break;
 568                 }
 569         }
 570
 571         /* rollback if error or too many rules added */
 572         if (rc || cnt > filters->add_cnt) {
 573                 BNX2X_ERR("error or too many rules added. Performing rollback\n");
 574                 list_for_each_entry_safe(pos, tmp, &rollback_list, link) {
 575                         pos->add = !pos->add;   /* reverse op */
 576                         bnx2x_vfop_set_user_req(bp, pos, user_req);
 577                         bnx2x_config_vlan_mac(bp, vlan_mac);
 578                         list_del(&pos->link);
 579                 }
 580                 cnt = 0;
 581                 if (!rc)
 582                         rc = -EINVAL;
 583         }
 584         filters->add_cnt = cnt;
 585         return rc;
 586 }
 587
 588 /* VFOP set VLAN/MAC */
 589 static void bnx2x_vfop_vlan_mac(struct bnx2x *bp, struct bnx2x_virtf *vf)
 590 {
 591         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 592         struct bnx2x_vlan_mac_ramrod_params *vlan_mac = &vfop->op_p->vlan_mac;
 593         struct bnx2x_vlan_mac_obj *obj = vlan_mac->vlan_mac_obj;
 594         struct bnx2x_vfop_filters *filters = vfop->args.filters.multi_filter;
 595
 596         enum bnx2x_vfop_vlan_mac_state state = vfop->state;
 597
 598         if (vfop->rc < 0)
 599                 goto op_err;
 600
 601         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 602
 603         bnx2x_vfop_reset_wq(vf);
 604
 605         switch (state) {
 606         case BNX2X_VFOP_VLAN_MAC_CLEAR:
 607                 /* next state */
 608                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 609
 610                 /* do delete */
 611                 vfop->rc = obj->delete_all(bp, obj,
 612                                            &vlan_mac->user_req.vlan_mac_flags,
 613                                            &vlan_mac->ramrod_flags);
 614
 615                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 616
 617         case BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE:
 618                 /* next state */
 619                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 620
 621                 /* do config */
 622                 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 623                 if (vfop->rc == -EEXIST)
 624                         vfop->rc = 0;
 625
 626                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 627
 628         case BNX2X_VFOP_VLAN_MAC_CHK_DONE:
 629                 vfop->rc = !!obj->raw.check_pending(&obj->raw);
 630                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 631
 632         case BNX2X_VFOP_MAC_CONFIG_LIST:
 633                 /* next state */
 634                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 635
 636                 /* do list config */
 637                 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
 638                 if (vfop->rc)
 639                         goto op_err;
 640
 641                 set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
 642                 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 643                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 644
 645         case BNX2X_VFOP_VLAN_CONFIG_LIST:
 646                 /* next state */
 647                 vfop->state = BNX2X_VFOP_VLAN_CONFIG_LIST_0;
 648
 649                 /* remove vlan0 - could be no-op */
 650                 vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, false);
 651                 if (vfop->rc)
 652                         goto op_err;
 653
 654                 /* Do vlan list config. if this operation fails we try to
 655                  * restore vlan0 to keep the queue is working order
 656                  */
 657                 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
 658                 if (!vfop->rc) {
 659                         set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
 660                         vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 661                 }
 662                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); /* fall-through */
 663
 664         case BNX2X_VFOP_VLAN_CONFIG_LIST_0:
 665                 /* next state */
 666                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 667
 668                 if (list_empty(&obj->head))
 669                         /* add vlan0 */
 670                         vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, true);
 671                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 672
 673         default:
 674                 bnx2x_vfop_default(state);
 675         }
 676 op_err:
 677         BNX2X_ERR("VLAN-MAC error: rc %d\n", vfop->rc);
 678 op_done:
 679         kfree(filters);
 680         bnx2x_vfop_credit(bp, vfop, obj);
 681         bnx2x_vfop_end(bp, vf, vfop);
 682 op_pending:
 683         return;
 684 }
 685
 686 struct bnx2x_vfop_vlan_mac_flags {
 687         bool drv_only;
 688         bool dont_consume;
 689         bool single_cmd;
 690         bool add;
 691 };
 692
 693 static void
 694 bnx2x_vfop_vlan_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
 695                                 struct bnx2x_vfop_vlan_mac_flags *flags)
 696 {
 697         struct bnx2x_vlan_mac_data *ureq = &ramrod->user_req;
 698
 699         memset(ramrod, 0, sizeof(*ramrod));
 700
 701         /* ramrod flags */
 702         if (flags->drv_only)
 703                 set_bit(RAMROD_DRV_CLR_ONLY, &ramrod->ramrod_flags);
 704         if (flags->single_cmd)
 705                 set_bit(RAMROD_EXEC, &ramrod->ramrod_flags);
 706
 707         /* mac_vlan flags */
 708         if (flags->dont_consume)
 709                 set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, &ureq->vlan_mac_flags);
 710
 711         /* cmd */
 712         ureq->cmd = flags->add ? BNX2X_VLAN_MAC_ADD : BNX2X_VLAN_MAC_DEL;
 713 }
 714
 715 static inline void
 716 bnx2x_vfop_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
 717                            struct bnx2x_vfop_vlan_mac_flags *flags)
 718 {
 719         bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, flags);
 720         set_bit(BNX2X_ETH_MAC, &ramrod->user_req.vlan_mac_flags);
 721 }
 722
 723 static int bnx2x_vfop_mac_delall_cmd(struct bnx2x *bp,
 724                                      struct bnx2x_virtf *vf,
 725                                      struct bnx2x_vfop_cmd *cmd,
 726                                      int qid, bool drv_only)
 727 {
 728         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 729
 730         if (vfop) {
 731                 struct bnx2x_vfop_args_filters filters = {
 732                         .multi_filter = NULL,   /* single */
 733                         .credit = NULL,         /* consume credit */
 734                 };
 735                 struct bnx2x_vfop_vlan_mac_flags flags = {
 736                         .drv_only = drv_only,
 737                         .dont_consume = (filters.credit != NULL),
 738                         .single_cmd = true,
 739                         .add = false /* don't care */,
 740                 };
 741                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 742                         &vf->op_params.vlan_mac;
 743
 744                 /* set ramrod params */
 745                 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
 746
 747                 /* set object */
 748                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
 749
 750                 /* set extra args */
 751                 vfop->args.filters = filters;
 752
 753                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
 754                                  bnx2x_vfop_vlan_mac, cmd->done);
 755                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 756                                              cmd->block);
 757         }
 758         return -ENOMEM;
 759 }
 760
 761 int bnx2x_vfop_mac_list_cmd(struct bnx2x *bp,
 762                             struct bnx2x_virtf *vf,
 763                             struct bnx2x_vfop_cmd *cmd,
 764                             struct bnx2x_vfop_filters *macs,
 765                             int qid, bool drv_only)
 766 {
 767         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 768
 769         if (vfop) {
 770                 struct bnx2x_vfop_args_filters filters = {
 771                         .multi_filter = macs,
 772                         .credit = NULL,         /* consume credit */
 773                 };
 774                 struct bnx2x_vfop_vlan_mac_flags flags = {
 775                         .drv_only = drv_only,
 776                         .dont_consume = (filters.credit != NULL),
 777                         .single_cmd = false,
 778                         .add = false, /* don't care since only the items in the
 779                                        * filters list affect the sp operation,
 780                                        * not the list itself
 781                                        */
 782                 };
 783                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 784                         &vf->op_params.vlan_mac;
 785
 786                 /* set ramrod params */
 787                 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
 788
 789                 /* set object */
 790                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
 791
 792                 /* set extra args */
 793                 filters.multi_filter->add_cnt = BNX2X_VFOP_FILTER_ADD_CNT_MAX;
 794                 vfop->args.filters = filters;
 795
 796                 bnx2x_vfop_opset(BNX2X_VFOP_MAC_CONFIG_LIST,
 797                                  bnx2x_vfop_vlan_mac, cmd->done);
 798                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 799                                              cmd->block);
 800         }
 801         return -ENOMEM;
 802 }
 803
 804 int bnx2x_vfop_vlan_set_cmd(struct bnx2x *bp,
 805                             struct bnx2x_virtf *vf,
 806                             struct bnx2x_vfop_cmd *cmd,
 807                             int qid, u16 vid, bool add)
 808 {
 809         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 810
 811         if (vfop) {
 812                 struct bnx2x_vfop_args_filters filters = {
 813                         .multi_filter = NULL, /* single command */
 814                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 815                 };
 816                 struct bnx2x_vfop_vlan_mac_flags flags = {
 817                         .drv_only = false,
 818                         .dont_consume = (filters.credit != NULL),
 819                         .single_cmd = true,
 820                         .add = add,
 821                 };
 822                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 823                         &vf->op_params.vlan_mac;
 824
 825                 /* set ramrod params */
 826                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 827                 ramrod->user_req.u.vlan.vlan = vid;
 828
 829                 /* set object */
 830                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 831
 832                 /* set extra args */
 833                 vfop->args.filters = filters;
 834
 835                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE,
 836                                  bnx2x_vfop_vlan_mac, cmd->done);
 837                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 838                                              cmd->block);
 839         }
 840         return -ENOMEM;
 841 }
 842
 843 static int bnx2x_vfop_vlan_delall_cmd(struct bnx2x *bp,
 844                                struct bnx2x_virtf *vf,
 845                                struct bnx2x_vfop_cmd *cmd,
 846                                int qid, bool drv_only)
 847 {
 848         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 849
 850         if (vfop) {
 851                 struct bnx2x_vfop_args_filters filters = {
 852                         .multi_filter = NULL, /* single command */
 853                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 854                 };
 855                 struct bnx2x_vfop_vlan_mac_flags flags = {
 856                         .drv_only = drv_only,
 857                         .dont_consume = (filters.credit != NULL),
 858                         .single_cmd = true,
 859                         .add = false, /* don't care */
 860                 };
 861                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 862                         &vf->op_params.vlan_mac;
 863
 864                 /* set ramrod params */
 865                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 866
 867                 /* set object */
 868                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 869
 870                 /* set extra args */
 871                 vfop->args.filters = filters;
 872
 873                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
 874                                  bnx2x_vfop_vlan_mac, cmd->done);
 875                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 876                                              cmd->block);
 877         }
 878         return -ENOMEM;
 879 }
 880
 881 int bnx2x_vfop_vlan_list_cmd(struct bnx2x *bp,
 882                              struct bnx2x_virtf *vf,
 883                              struct bnx2x_vfop_cmd *cmd,
 884                              struct bnx2x_vfop_filters *vlans,
 885                              int qid, bool drv_only)
 886 {
 887         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 888
 889         if (vfop) {
 890                 struct bnx2x_vfop_args_filters filters = {
 891                         .multi_filter = vlans,
 892                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 893                 };
 894                 struct bnx2x_vfop_vlan_mac_flags flags = {
 895                         .drv_only = drv_only,
 896                         .dont_consume = (filters.credit != NULL),
 897                         .single_cmd = false,
 898                         .add = false, /* don't care */
 899                 };
 900                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 901                         &vf->op_params.vlan_mac;
 902
 903                 /* set ramrod params */
 904                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 905
 906                 /* set object */
 907                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 908
 909                 /* set extra args */
 910                 filters.multi_filter->add_cnt = vf_vlan_rules_cnt(vf) -
 911                         atomic_read(filters.credit);
 912
 913                 vfop->args.filters = filters;
 914
 915                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_CONFIG_LIST,
 916                                  bnx2x_vfop_vlan_mac, cmd->done);
 917                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 918                                              cmd->block);
 919         }
 920         return -ENOMEM;
 921 }
 922
 923 /* VFOP queue setup (queue constructor + set vlan 0) */
 924 static void bnx2x_vfop_qsetup(struct bnx2x *bp, struct bnx2x_virtf *vf)
 925 {
 926         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 927         int qid = vfop->args.qctor.qid;
 928         enum bnx2x_vfop_qsetup_state state = vfop->state;
 929         struct bnx2x_vfop_cmd cmd = {
 930                 .done = bnx2x_vfop_qsetup,
 931                 .block = false,
 932         };
 933
 934         if (vfop->rc < 0)
 935                 goto op_err;
 936
 937         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 938
 939         switch (state) {
 940         case BNX2X_VFOP_QSETUP_CTOR:
 941                 /* init the queue ctor command */
 942                 vfop->state = BNX2X_VFOP_QSETUP_VLAN0;
 943                 vfop->rc = bnx2x_vfop_qctor_cmd(bp, vf, &cmd, qid);
 944                 if (vfop->rc)
 945                         goto op_err;
 946                 return;
 947
 948         case BNX2X_VFOP_QSETUP_VLAN0:
 949                 /* skip if non-leading or FPGA/EMU*/
 950                 if (qid)
 951                         goto op_done;
 952
 953                 /* init the queue set-vlan command (for vlan 0) */
 954                 vfop->state = BNX2X_VFOP_QSETUP_DONE;
 955                 vfop->rc = bnx2x_vfop_vlan_set_cmd(bp, vf, &cmd, qid, 0, true);
 956                 if (vfop->rc)
 957                         goto op_err;
 958                 return;
 959 op_err:
 960         BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf->abs_vfid, qid, vfop->rc);
 961 op_done:
 962         case BNX2X_VFOP_QSETUP_DONE:
 963                 vf->cfg_flags |= VF_CFG_VLAN;
 964                 smp_mb__before_clear_bit();
 965                 set_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN,
 966                         &bp->sp_rtnl_state);
 967                 smp_mb__after_clear_bit();
 968                 schedule_delayed_work(&bp->sp_rtnl_task, 0);
 969                 bnx2x_vfop_end(bp, vf, vfop);
 970                 return;
 971         default:
 972                 bnx2x_vfop_default(state);
 973         }
 974 }
 975
 976 int bnx2x_vfop_qsetup_cmd(struct bnx2x *bp,
 977                           struct bnx2x_virtf *vf,
 978                           struct bnx2x_vfop_cmd *cmd,
 979                           int qid)
 980 {
 981         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 982
 983         if (vfop) {
 984                 vfop->args.qctor.qid = qid;
 985
 986                 bnx2x_vfop_opset(BNX2X_VFOP_QSETUP_CTOR,
 987                                  bnx2x_vfop_qsetup, cmd->done);
 988                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qsetup,
 989                                              cmd->block);
 990         }
 991         return -ENOMEM;
 992 }
 993
 994 /* VFOP queue FLR handling (clear vlans, clear macs, queue destructor) */
 995 static void bnx2x_vfop_qflr(struct bnx2x *bp, struct bnx2x_virtf *vf)
 996 {
 997         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 998         int qid = vfop->args.qx.qid;
 999         enum bnx2x_vfop_qflr_state state = vfop->state;
1000         struct bnx2x_queue_state_params *qstate;
1001         struct bnx2x_vfop_cmd cmd;
1002
1003         bnx2x_vfop_reset_wq(vf);
1004
1005         if (vfop->rc < 0)
1006                 goto op_err;
1007
1008         DP(BNX2X_MSG_IOV, "VF[%d] STATE: %d\n", vf->abs_vfid, state);
1009
1010         cmd.done = bnx2x_vfop_qflr;
1011         cmd.block = false;
1012
1013         switch (state) {
1014         case BNX2X_VFOP_QFLR_CLR_VLAN:
1015                 /* vlan-clear-all: driver-only, don't consume credit */
1016                 vfop->state = BNX2X_VFOP_QFLR_CLR_MAC;
1017                 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, true);
1018                 if (vfop->rc)
1019                         goto op_err;
1020                 return;
1021
1022         case BNX2X_VFOP_QFLR_CLR_MAC:
1023                 /* mac-clear-all: driver only consume credit */
1024                 vfop->state = BNX2X_VFOP_QFLR_TERMINATE;
1025                 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, true);
1026                 DP(BNX2X_MSG_IOV,
1027                    "VF[%d] vfop->rc after bnx2x_vfop_mac_delall_cmd was %d",
1028                    vf->abs_vfid, vfop->rc);
1029                 if (vfop->rc)
1030                         goto op_err;
1031                 return;
1032
1033         case BNX2X_VFOP_QFLR_TERMINATE:
1034                 qstate = &vfop->op_p->qctor.qstate;
1035                 memset(qstate , 0, sizeof(*qstate));
1036                 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
1037                 vfop->state = BNX2X_VFOP_QFLR_DONE;
1038
1039                 DP(BNX2X_MSG_IOV, "VF[%d] qstate during flr was %d\n",
1040                    vf->abs_vfid, qstate->q_obj->state);
1041
1042                 if (qstate->q_obj->state != BNX2X_Q_STATE_RESET) {
1043                         qstate->q_obj->state = BNX2X_Q_STATE_STOPPED;
1044                         qstate->cmd = BNX2X_Q_CMD_TERMINATE;
1045                         vfop->rc = bnx2x_queue_state_change(bp, qstate);
1046                         bnx2x_vfop_finalize(vf, vfop->rc, VFOP_VERIFY_PEND);
1047                 } else {
1048                         goto op_done;
1049                 }
1050
1051 op_err:
1052         BNX2X_ERR("QFLR[%d:%d] error: rc %d\n",
1053                   vf->abs_vfid, qid, vfop->rc);
1054 op_done:
1055         case BNX2X_VFOP_QFLR_DONE:
1056                 bnx2x_vfop_end(bp, vf, vfop);
1057                 return;
1058         default:
1059                 bnx2x_vfop_default(state);
1060         }
1061 op_pending:
1062         return;
1063 }
1064
1065 static int bnx2x_vfop_qflr_cmd(struct bnx2x *bp,
1066                                struct bnx2x_virtf *vf,
1067                                struct bnx2x_vfop_cmd *cmd,
1068                                int qid)
1069 {
1070         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1071
1072         if (vfop) {
1073                 vfop->args.qx.qid = qid;
1074                 bnx2x_vfop_opset(BNX2X_VFOP_QFLR_CLR_VLAN,
1075                                  bnx2x_vfop_qflr, cmd->done);
1076                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qflr,
1077                                              cmd->block);
1078         }
1079         return -ENOMEM;
1080 }
1081
1082 /* VFOP multi-casts */
1083 static void bnx2x_vfop_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf)
1084 {
1085         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1086         struct bnx2x_mcast_ramrod_params *mcast = &vfop->op_p->mcast;
1087         struct bnx2x_raw_obj *raw = &mcast->mcast_obj->raw;
1088         struct bnx2x_vfop_args_mcast *args = &vfop->args.mc_list;
1089         enum bnx2x_vfop_mcast_state state = vfop->state;
1090         int i;
1091
1092         bnx2x_vfop_reset_wq(vf);
1093
1094         if (vfop->rc < 0)
1095                 goto op_err;
1096
1097         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1098
1099         switch (state) {
1100         case BNX2X_VFOP_MCAST_DEL:
1101                 /* clear existing mcasts */
1102                 vfop->state = BNX2X_VFOP_MCAST_ADD;
1103                 vfop->rc = bnx2x_config_mcast(bp, mcast, BNX2X_MCAST_CMD_DEL);
1104                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1105
1106         case BNX2X_VFOP_MCAST_ADD:
1107                 if (raw->check_pending(raw))
1108                         goto op_pending;
1109
1110                 if (args->mc_num) {
1111                         /* update mcast list on the ramrod params */
1112                         INIT_LIST_HEAD(&mcast->mcast_list);
1113                         for (i = 0; i < args->mc_num; i++)
1114                                 list_add_tail(&(args->mc[i].link),
1115                                               &mcast->mcast_list);
1116                         /* add new mcasts */
1117                         vfop->state = BNX2X_VFOP_MCAST_CHK_DONE;
1118                         vfop->rc = bnx2x_config_mcast(bp, mcast,
1119                                                       BNX2X_MCAST_CMD_ADD);
1120                 }
1121                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1122
1123         case BNX2X_VFOP_MCAST_CHK_DONE:
1124                 vfop->rc = raw->check_pending(raw) ? 1 : 0;
1125                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1126         default:
1127                 bnx2x_vfop_default(state);
1128         }
1129 op_err:
1130         BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop->rc);
1131 op_done:
1132         kfree(args->mc);
1133         bnx2x_vfop_end(bp, vf, vfop);
1134 op_pending:
1135         return;
1136 }
1137
1138 int bnx2x_vfop_mcast_cmd(struct bnx2x *bp,
1139                          struct bnx2x_virtf *vf,
1140                          struct bnx2x_vfop_cmd *cmd,
1141                          bnx2x_mac_addr_t *mcasts,
1142                          int mcast_num, bool drv_only)
1143 {
1144         struct bnx2x_vfop *vfop = NULL;
1145         size_t mc_sz = mcast_num * sizeof(struct bnx2x_mcast_list_elem);
1146         struct bnx2x_mcast_list_elem *mc = mc_sz ? kzalloc(mc_sz, GFP_KERNEL) :
1147                                            NULL;
1148
1149         if (!mc_sz || mc) {
1150                 vfop = bnx2x_vfop_add(bp, vf);
1151                 if (vfop) {
1152                         int i;
1153                         struct bnx2x_mcast_ramrod_params *ramrod =
1154                                 &vf->op_params.mcast;
1155
1156                         /* set ramrod params */
1157                         memset(ramrod, 0, sizeof(*ramrod));
1158                         ramrod->mcast_obj = &vf->mcast_obj;
1159                         if (drv_only)
1160                                 set_bit(RAMROD_DRV_CLR_ONLY,
1161                                         &ramrod->ramrod_flags);
1162
1163                         /* copy mcasts pointers */
1164                         vfop->args.mc_list.mc_num = mcast_num;
1165                         vfop->args.mc_list.mc = mc;
1166                         for (i = 0; i < mcast_num; i++)
1167                                 mc[i].mac = mcasts[i];
1168
1169                         bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL,
1170                                          bnx2x_vfop_mcast, cmd->done);
1171                         return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mcast,
1172                                                      cmd->block);
1173                 } else {
1174                         kfree(mc);
1175                 }
1176         }
1177         return -ENOMEM;
1178 }
1179
1180 /* VFOP rx-mode */
1181 static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf)
1182 {
1183         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1184         struct bnx2x_rx_mode_ramrod_params *ramrod = &vfop->op_p->rx_mode;
1185         enum bnx2x_vfop_rxmode_state state = vfop->state;
1186
1187         bnx2x_vfop_reset_wq(vf);
1188
1189         if (vfop->rc < 0)
1190                 goto op_err;
1191
1192         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1193
1194         switch (state) {
1195         case BNX2X_VFOP_RXMODE_CONFIG:
1196                 /* next state */
1197                 vfop->state = BNX2X_VFOP_RXMODE_DONE;
1198
1199                 vfop->rc = bnx2x_config_rx_mode(bp, ramrod);
1200                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1201 op_err:
1202                 BNX2X_ERR("RXMODE error: rc %d\n", vfop->rc);
1203 op_done:
1204         case BNX2X_VFOP_RXMODE_DONE:
1205                 bnx2x_vfop_end(bp, vf, vfop);
1206                 return;
1207         default:
1208                 bnx2x_vfop_default(state);
1209         }
1210 op_pending:
1211         return;
1212 }
1213
1214 int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp,
1215                           struct bnx2x_virtf *vf,
1216                           struct bnx2x_vfop_cmd *cmd,
1217                           int qid, unsigned long accept_flags)
1218 {
1219         struct bnx2x_vf_queue *vfq = vfq_get(vf, qid);
1220         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1221
1222         if (vfop) {
1223                 struct bnx2x_rx_mode_ramrod_params *ramrod =
1224                         &vf->op_params.rx_mode;
1225
1226                 memset(ramrod, 0, sizeof(*ramrod));
1227
1228                 /* Prepare ramrod parameters */
1229                 ramrod->cid = vfq->cid;
1230                 ramrod->cl_id = vfq_cl_id(vf, vfq);
1231                 ramrod->rx_mode_obj = &bp->rx_mode_obj;
1232                 ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid);
1233
1234                 ramrod->rx_accept_flags = accept_flags;
1235                 ramrod->tx_accept_flags = accept_flags;
1236                 ramrod->pstate = &vf->filter_state;
1237                 ramrod->state = BNX2X_FILTER_RX_MODE_PENDING;
1238
1239                 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
1240                 set_bit(RAMROD_RX, &ramrod->ramrod_flags);
1241                 set_bit(RAMROD_TX, &ramrod->ramrod_flags);
1242
1243                 ramrod->rdata =
1244                         bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2);
1245                 ramrod->rdata_mapping =
1246                         bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2);
1247
1248                 bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG,
1249                                  bnx2x_vfop_rxmode, cmd->done);
1250                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rxmode,
1251                                              cmd->block);
1252         }
1253         return -ENOMEM;
1254 }
1255
1256 /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs,
1257  * queue destructor)
1258  */
1259 static void bnx2x_vfop_qdown(struct bnx2x *bp, struct bnx2x_virtf *vf)
1260 {
1261         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1262         int qid = vfop->args.qx.qid;
1263         enum bnx2x_vfop_qteardown_state state = vfop->state;
1264         struct bnx2x_vfop_cmd cmd;
1265
1266         if (vfop->rc < 0)
1267                 goto op_err;
1268
1269         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1270
1271         cmd.done = bnx2x_vfop_qdown;
1272         cmd.block = false;
1273
1274         switch (state) {
1275         case BNX2X_VFOP_QTEARDOWN_RXMODE:
1276                 /* Drop all */
1277                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_VLAN;
1278                 vfop->rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, qid, 0);
1279                 if (vfop->rc)
1280                         goto op_err;
1281                 return;
1282
1283         case BNX2X_VFOP_QTEARDOWN_CLR_VLAN:
1284                 /* vlan-clear-all: don't consume credit */
1285                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MAC;
1286                 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, false);
1287                 if (vfop->rc)
1288                         goto op_err;
1289                 return;
1290
1291         case BNX2X_VFOP_QTEARDOWN_CLR_MAC:
1292                 /* mac-clear-all: consume credit */
1293                 vfop->state = BNX2X_VFOP_QTEARDOWN_QDTOR;
1294                 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, false);
1295                 if (vfop->rc)
1296                         goto op_err;
1297                 return;
1298
1299         case BNX2X_VFOP_QTEARDOWN_QDTOR:
1300                 /* run the queue destruction flow */
1301                 DP(BNX2X_MSG_IOV, "case: BNX2X_VFOP_QTEARDOWN_QDTOR\n");
1302                 vfop->state = BNX2X_VFOP_QTEARDOWN_DONE;
1303                 DP(BNX2X_MSG_IOV, "new state: BNX2X_VFOP_QTEARDOWN_DONE\n");
1304                 vfop->rc = bnx2x_vfop_qdtor_cmd(bp, vf, &cmd, qid);
1305                 DP(BNX2X_MSG_IOV, "returned from cmd\n");
1306                 if (vfop->rc)
1307                         goto op_err;
1308                 return;
1309 op_err:
1310         BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n",
1311                   vf->abs_vfid, qid, vfop->rc);
1312
1313         case BNX2X_VFOP_QTEARDOWN_DONE:
1314                 bnx2x_vfop_end(bp, vf, vfop);
1315                 return;
1316         default:
1317                 bnx2x_vfop_default(state);
1318         }
1319 }
1320
1321 int bnx2x_vfop_qdown_cmd(struct bnx2x *bp,
1322                          struct bnx2x_virtf *vf,
1323                          struct bnx2x_vfop_cmd *cmd,
1324                          int qid)
1325 {
1326         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1327
1328         if (vfop) {
1329                 vfop->args.qx.qid = qid;
1330                 bnx2x_vfop_opset(BNX2X_VFOP_QTEARDOWN_RXMODE,
1331                                  bnx2x_vfop_qdown, cmd->done);
1332                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdown,
1333                                              cmd->block);
1334         }
1335
1336         return -ENOMEM;
1337 }
1338
1339 /* VF enable primitives
1340  * when pretend is required the caller is responsible
1341  * for calling pretend prior to calling these routines
1342  */
1343
1344 /* internal vf enable - until vf is enabled internally all transactions
1345  * are blocked. this routine should always be called last with pretend.
1346  */
1347 static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable)
1348 {
1349         REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0);
1350 }
1351
1352 /* clears vf error in all semi blocks */
1353 static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid)
1354 {
1355         REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid);
1356         REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid);
1357         REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid);
1358         REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid);
1359 }
1360
1361 static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid)
1362 {
1363         u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5;
1364         u32 was_err_reg = 0;
1365
1366         switch (was_err_group) {
1367         case 0:
1368             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR;
1369             break;
1370         case 1:
1371             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR;
1372             break;
1373         case 2:
1374             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR;
1375             break;
1376         case 3:
1377             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR;
1378             break;
1379         }
1380         REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f));
1381 }
1382
1383 static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf)
1384 {
1385         int i;
1386         u32 val;
1387
1388         /* Set VF masks and configuration - pretend */
1389         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1390
1391         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
1392         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
1393         REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
1394         REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
1395         REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
1396         REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
1397
1398         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
1399         val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN);
1400         if (vf->cfg_flags & VF_CFG_INT_SIMD)
1401                 val |= IGU_VF_CONF_SINGLE_ISR_EN;
1402         val &= ~IGU_VF_CONF_PARENT_MASK;
1403         val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */
1404         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
1405
1406         DP(BNX2X_MSG_IOV,
1407            "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n",
1408            vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION));
1409
1410         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1411
1412         /* iterate over all queues, clear sb consumer */
1413         for (i = 0; i < vf_sb_count(vf); i++) {
1414                 u8 igu_sb_id = vf_igu_sb(vf, i);
1415
1416                 /* zero prod memory */
1417                 REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0);
1418
1419                 /* clear sb state machine */
1420                 bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id,
1421                                        false /* VF */);
1422
1423                 /* disable + update */
1424                 bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0,
1425                                     IGU_INT_DISABLE, 1);
1426         }
1427 }
1428
1429 void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid)
1430 {
1431         /* set the VF-PF association in the FW */
1432         storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp));
1433         storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1);
1434
1435         /* clear vf errors*/
1436         bnx2x_vf_semi_clear_err(bp, abs_vfid);
1437         bnx2x_vf_pglue_clear_err(bp, abs_vfid);
1438
1439         /* internal vf-enable - pretend */
1440         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid));
1441         DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid);
1442         bnx2x_vf_enable_internal(bp, true);
1443         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1444 }
1445
1446 static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf)
1447 {
1448         /* Reset vf in IGU  interrupts are still disabled */
1449         bnx2x_vf_igu_reset(bp, vf);
1450
1451         /* pretend to enable the vf with the PBF */
1452         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1453         REG_WR(bp, PBF_REG_DISABLE_VF, 0);
1454         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1455 }
1456
1457 static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid)
1458 {
1459         struct pci_dev *dev;
1460         struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
1461
1462         if (!vf)
1463                 goto unknown_dev;
1464
1465         dev = pci_get_bus_and_slot(vf->bus, vf->devfn);
1466         if (dev)
1467                 return bnx2x_is_pcie_pending(dev);
1468
1469 unknown_dev:
1470         return false;
1471 }
1472
1473 int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid)
1474 {
1475         /* Wait 100ms */
1476         msleep(100);
1477
1478         /* Verify no pending pci transactions */
1479         if (bnx2x_vf_is_pcie_pending(bp, abs_vfid))
1480                 BNX2X_ERR("PCIE Transactions still pending\n");
1481
1482         return 0;
1483 }
1484
1485 /* must be called after the number of PF queues and the number of VFs are
1486  * both known
1487  */
1488 static void
1489 bnx2x_iov_static_resc(struct bnx2x *bp, struct vf_pf_resc_request *resc)
1490 {
1491         u16 vlan_count = 0;
1492
1493         /* will be set only during VF-ACQUIRE */
1494         resc->num_rxqs = 0;
1495         resc->num_txqs = 0;
1496
1497         /* no credit calculcis for macs (just yet) */
1498         resc->num_mac_filters = 1;
1499
1500         /* divvy up vlan rules */
1501         vlan_count = bp->vlans_pool.check(&bp->vlans_pool);
1502         vlan_count = 1 << ilog2(vlan_count);
1503         resc->num_vlan_filters = vlan_count / BNX2X_NR_VIRTFN(bp);
1504
1505         /* no real limitation */
1506         resc->num_mc_filters = 0;
1507
1508         /* num_sbs already set */
1509 }
1510
1511 /* FLR routines: */
1512 static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1513 {
1514         /* reset the state variables */
1515         bnx2x_iov_static_resc(bp, &vf->alloc_resc);
1516         vf->state = VF_FREE;
1517 }
1518
1519 static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf)
1520 {
1521         u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1522
1523         /* DQ usage counter */
1524         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1525         bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT,
1526                                         "DQ VF usage counter timed out",
1527                                         poll_cnt);
1528         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1529
1530         /* FW cleanup command - poll for the results */
1531         if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid),
1532                                    poll_cnt))
1533                 BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid);
1534
1535         /* verify TX hw is flushed */
1536         bnx2x_tx_hw_flushed(bp, poll_cnt);
1537 }
1538
1539 static void bnx2x_vfop_flr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1540 {
1541         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1542         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
1543         enum bnx2x_vfop_flr_state state = vfop->state;
1544         struct bnx2x_vfop_cmd cmd = {
1545                 .done = bnx2x_vfop_flr,
1546                 .block = false,
1547         };
1548
1549         if (vfop->rc < 0)
1550                 goto op_err;
1551
1552         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1553
1554         switch (state) {
1555         case BNX2X_VFOP_FLR_QUEUES:
1556                 /* the cleanup operations are valid if and only if the VF
1557                  * was first acquired.
1558                  */
1559                 if (++(qx->qid) < vf_rxq_count(vf)) {
1560                         vfop->rc = bnx2x_vfop_qflr_cmd(bp, vf, &cmd,
1561                                                        qx->qid);
1562                         if (vfop->rc)
1563                                 goto op_err;
1564                         return;
1565                 }
1566                 /* remove multicasts */
1567                 vfop->state = BNX2X_VFOP_FLR_HW;
1568                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL,
1569                                                 0, true);
1570                 if (vfop->rc)
1571                         goto op_err;
1572                 return;
1573         case BNX2X_VFOP_FLR_HW:
1574
1575                 /* dispatch final cleanup and wait for HW queues to flush */
1576                 bnx2x_vf_flr_clnup_hw(bp, vf);
1577
1578                 /* release VF resources */
1579                 bnx2x_vf_free_resc(bp, vf);
1580
1581                 /* re-open the mailbox */
1582                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
1583
1584                 goto op_done;
1585         default:
1586                 bnx2x_vfop_default(state);
1587         }
1588 op_err:
1589         BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf->abs_vfid, vfop->rc);
1590 op_done:
1591         vf->flr_clnup_stage = VF_FLR_ACK;
1592         bnx2x_vfop_end(bp, vf, vfop);
1593         bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1594 }
1595
1596 static int bnx2x_vfop_flr_cmd(struct bnx2x *bp,
1597                               struct bnx2x_virtf *vf,
1598                               vfop_handler_t done)
1599 {
1600         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1601         if (vfop) {
1602                 vfop->args.qx.qid = -1; /* loop */
1603                 bnx2x_vfop_opset(BNX2X_VFOP_FLR_QUEUES,
1604                                  bnx2x_vfop_flr, done);
1605                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_flr, false);
1606         }
1607         return -ENOMEM;
1608 }
1609
1610 static void bnx2x_vf_flr_clnup(struct bnx2x *bp, struct bnx2x_virtf *prev_vf)
1611 {
1612         int i = prev_vf ? prev_vf->index + 1 : 0;
1613         struct bnx2x_virtf *vf;
1614
1615         /* find next VF to cleanup */
1616 next_vf_to_clean:
1617         for (;
1618              i < BNX2X_NR_VIRTFN(bp) &&
1619              (bnx2x_vf(bp, i, state) != VF_RESET ||
1620               bnx2x_vf(bp, i, flr_clnup_stage) != VF_FLR_CLN);
1621              i++)
1622                 ;
1623
1624         DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. num of vfs: %d\n", i,
1625            BNX2X_NR_VIRTFN(bp));
1626
1627         if (i < BNX2X_NR_VIRTFN(bp)) {
1628                 vf = BP_VF(bp, i);
1629
1630                 /* lock the vf pf channel */
1631                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1632
1633                 /* invoke the VF FLR SM */
1634                 if (bnx2x_vfop_flr_cmd(bp, vf, bnx2x_vf_flr_clnup)) {
1635                         BNX2X_ERR("VF[%d]: FLR cleanup failed -ENOMEM\n",
1636                                   vf->abs_vfid);
1637
1638                         /* mark the VF to be ACKED and continue */
1639                         vf->flr_clnup_stage = VF_FLR_ACK;
1640                         goto next_vf_to_clean;
1641                 }
1642                 return;
1643         }
1644
1645         /* we are done, update vf records */
1646         for_each_vf(bp, i) {
1647                 vf = BP_VF(bp, i);
1648
1649                 if (vf->flr_clnup_stage != VF_FLR_ACK)
1650                         continue;
1651
1652                 vf->flr_clnup_stage = VF_FLR_EPILOG;
1653         }
1654
1655         /* Acknowledge the handled VFs.
1656          * we are acknowledge all the vfs which an flr was requested for, even
1657          * if amongst them there are such that we never opened, since the mcp
1658          * will interrupt us immediately again if we only ack some of the bits,
1659          * resulting in an endless loop. This can happen for example in KVM
1660          * where an 'all ones' flr request is sometimes given by hyper visor
1661          */
1662         DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n",
1663            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1664         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1665                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i],
1666                           bp->vfdb->flrd_vfs[i]);
1667
1668         bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0);
1669
1670         /* clear the acked bits - better yet if the MCP implemented
1671          * write to clear semantics
1672          */
1673         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1674                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0);
1675 }
1676
1677 void bnx2x_vf_handle_flr_event(struct bnx2x *bp)
1678 {
1679         int i;
1680
1681         /* Read FLR'd VFs */
1682         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1683                 bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]);
1684
1685         DP(BNX2X_MSG_MCP,
1686            "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n",
1687            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1688
1689         for_each_vf(bp, i) {
1690                 struct bnx2x_virtf *vf = BP_VF(bp, i);
1691                 u32 reset = 0;
1692
1693                 if (vf->abs_vfid < 32)
1694                         reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid);
1695                 else
1696                         reset = bp->vfdb->flrd_vfs[1] &
1697                                 (1 << (vf->abs_vfid - 32));
1698
1699                 if (reset) {
1700                         /* set as reset and ready for cleanup */
1701                         vf->state = VF_RESET;
1702                         vf->flr_clnup_stage = VF_FLR_CLN;
1703
1704                         DP(BNX2X_MSG_IOV,
1705                            "Initiating Final cleanup for VF %d\n",
1706                            vf->abs_vfid);
1707                 }
1708         }
1709
1710         /* do the FLR cleanup for all marked VFs*/
1711         bnx2x_vf_flr_clnup(bp, NULL);
1712 }
1713
1714 /* IOV global initialization routines  */
1715 void bnx2x_iov_init_dq(struct bnx2x *bp)
1716 {
1717         if (!IS_SRIOV(bp))
1718                 return;
1719
1720         /* Set the DQ such that the CID reflect the abs_vfid */
1721         REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0);
1722         REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS));
1723
1724         /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to
1725          * the PF L2 queues
1726          */
1727         REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID);
1728
1729         /* The VF window size is the log2 of the max number of CIDs per VF */
1730         REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND);
1731
1732         /* The VF doorbell size  0 - *B, 4 - 128B. We set it here to match
1733          * the Pf doorbell size although the 2 are independent.
1734          */
1735         REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST,
1736                BNX2X_DB_SHIFT - BNX2X_DB_MIN_SHIFT);
1737
1738         /* No security checks for now -
1739          * configure single rule (out of 16) mask = 0x1, value = 0x0,
1740          * CID range 0 - 0x1ffff
1741          */
1742         REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1);
1743         REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0);
1744         REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0);
1745         REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff);
1746
1747         /* set the number of VF alllowed doorbells to the full DQ range */
1748         REG_WR(bp, DORQ_REG_VF_NORM_MAX_CID_COUNT, 0x20000);
1749
1750         /* set the VF doorbell threshold */
1751         REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4);
1752 }
1753
1754 void bnx2x_iov_init_dmae(struct bnx2x *bp)
1755 {
1756         DP(BNX2X_MSG_IOV, "SRIOV is %s\n", IS_SRIOV(bp) ? "ON" : "OFF");
1757         if (!IS_SRIOV(bp))
1758                 return;
1759
1760         REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
1761 }
1762
1763 static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
1764 {
1765         struct pci_dev *dev = bp->pdev;
1766         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1767
1768         return dev->bus->number + ((dev->devfn + iov->offset +
1769                                     iov->stride * vfid) >> 8);
1770 }
1771
1772 static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid)
1773 {
1774         struct pci_dev *dev = bp->pdev;
1775         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1776
1777         return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff;
1778 }
1779
1780 static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf)
1781 {
1782         int i, n;
1783         struct pci_dev *dev = bp->pdev;
1784         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1785
1786         for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) {
1787                 u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i);
1788                 u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i);
1789
1790                 size /= iov->total;
1791                 vf->bars[n].bar = start + size * vf->abs_vfid;
1792                 vf->bars[n].size = size;
1793         }
1794 }
1795
1796 static int bnx2x_ari_enabled(struct pci_dev *dev)
1797 {
1798         return dev->bus->self && dev->bus->self->ari_enabled;
1799 }
1800
1801 static void
1802 bnx2x_get_vf_igu_cam_info(struct bnx2x *bp)
1803 {
1804         int sb_id;
1805         u32 val;
1806         u8 fid;
1807
1808         /* IGU in normal mode - read CAM */
1809         for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) {
1810                 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4);
1811                 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
1812                         continue;
1813                 fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID);
1814                 if (!(fid & IGU_FID_ENCODE_IS_PF))
1815                         bnx2x_vf_set_igu_info(bp, sb_id,
1816                                               (fid & IGU_FID_VF_NUM_MASK));
1817
1818                 DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n",
1819                    ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"),
1820                    ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) :
1821                    (fid & IGU_FID_VF_NUM_MASK)), sb_id,
1822                    GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR));
1823         }
1824 }
1825
1826 static void __bnx2x_iov_free_vfdb(struct bnx2x *bp)
1827 {
1828         if (bp->vfdb) {
1829                 kfree(bp->vfdb->vfqs);
1830                 kfree(bp->vfdb->vfs);
1831                 kfree(bp->vfdb);
1832         }
1833         bp->vfdb = NULL;
1834 }
1835
1836 static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1837 {
1838         int pos;
1839         struct pci_dev *dev = bp->pdev;
1840
1841         pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
1842         if (!pos) {
1843                 BNX2X_ERR("failed to find SRIOV capability in device\n");
1844                 return -ENODEV;
1845         }
1846
1847         iov->pos = pos;
1848         DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos);
1849         pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
1850         pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total);
1851         pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial);
1852         pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
1853         pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
1854         pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
1855         pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap);
1856         pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
1857
1858         return 0;
1859 }
1860
1861 static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1862 {
1863         u32 val;
1864
1865         /* read the SRIOV capability structure
1866          * The fields can be read via configuration read or
1867          * directly from the device (starting at offset PCICFG_OFFSET)
1868          */
1869         if (bnx2x_sriov_pci_cfg_info(bp, iov))
1870                 return -ENODEV;
1871
1872         /* get the number of SRIOV bars */
1873         iov->nres = 0;
1874
1875         /* read the first_vfid */
1876         val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF);
1877         iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK)
1878                                * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp));
1879
1880         DP(BNX2X_MSG_IOV,
1881            "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",
1882            BP_FUNC(bp),
1883            iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total,
1884            iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
1885
1886         return 0;
1887 }
1888
1889 static u8 bnx2x_iov_get_max_queue_count(struct bnx2x *bp)
1890 {
1891         int i;
1892         u8 queue_count = 0;
1893
1894         if (IS_SRIOV(bp))
1895                 for_each_vf(bp, i)
1896                         queue_count += bnx2x_vf(bp, i, alloc_resc.num_sbs);
1897
1898         return queue_count;
1899 }
1900
1901 /* must be called after PF bars are mapped */
1902 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
1903                         int num_vfs_param)
1904 {
1905         int err, i, qcount;
1906         struct bnx2x_sriov *iov;
1907         struct pci_dev *dev = bp->pdev;
1908
1909         bp->vfdb = NULL;
1910
1911         /* verify is pf */
1912         if (IS_VF(bp))
1913                 return 0;
1914
1915         /* verify sriov capability is present in configuration space */
1916         if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV))
1917                 return 0;
1918
1919         /* verify chip revision */
1920         if (CHIP_IS_E1x(bp))
1921                 return 0;
1922
1923         /* check if SRIOV support is turned off */
1924         if (!num_vfs_param)
1925                 return 0;
1926
1927         /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */
1928         if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) {
1929                 BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n",
1930                           BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID);
1931                 return 0;
1932         }
1933
1934         /* SRIOV can be enabled only with MSIX */
1935         if (int_mode_param == BNX2X_INT_MODE_MSI ||
1936             int_mode_param == BNX2X_INT_MODE_INTX)
1937                 BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n");
1938
1939         err = -EIO;
1940         /* verify ari is enabled */
1941         if (!bnx2x_ari_enabled(bp->pdev)) {
1942                 BNX2X_ERR("ARI not supported, SRIOV can not be enabled\n");
1943                 return err;
1944         }
1945
1946         /* verify igu is in normal mode */
1947         if (CHIP_INT_MODE_IS_BC(bp)) {
1948                 BNX2X_ERR("IGU not normal mode,  SRIOV can not be enabled\n");
1949                 return err;
1950         }
1951
1952         /* allocate the vfs database */
1953         bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL);
1954         if (!bp->vfdb) {
1955                 BNX2X_ERR("failed to allocate vf database\n");
1956                 err = -ENOMEM;
1957                 goto failed;
1958         }
1959
1960         /* get the sriov info - Linux already collected all the pertinent
1961          * information, however the sriov structure is for the private use
1962          * of the pci module. Also we want this information regardless
1963          * of the hyper-visor.
1964          */
1965         iov = &(bp->vfdb->sriov);
1966         err = bnx2x_sriov_info(bp, iov);
1967         if (err)
1968                 goto failed;
1969
1970         /* SR-IOV capability was enabled but there are no VFs*/
1971         if (iov->total == 0)
1972                 goto failed;
1973
1974         iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param);
1975
1976         DP(BNX2X_MSG_IOV, "num_vfs_param was %d, nr_virtfn was %d\n",
1977            num_vfs_param, iov->nr_virtfn);
1978
1979         /* allocate the vf array */
1980         bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) *
1981                                 BNX2X_NR_VIRTFN(bp), GFP_KERNEL);
1982         if (!bp->vfdb->vfs) {
1983                 BNX2X_ERR("failed to allocate vf array\n");
1984                 err = -ENOMEM;
1985                 goto failed;
1986         }
1987
1988         /* Initial VF init - index and abs_vfid - nr_virtfn must be set */
1989         for_each_vf(bp, i) {
1990                 bnx2x_vf(bp, i, index) = i;
1991                 bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i;
1992                 bnx2x_vf(bp, i, state) = VF_FREE;
1993                 INIT_LIST_HEAD(&bnx2x_vf(bp, i, op_list_head));
1994                 mutex_init(&bnx2x_vf(bp, i, op_mutex));
1995                 bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE;
1996         }
1997
1998         /* re-read the IGU CAM for VFs - index and abs_vfid must be set */
1999         bnx2x_get_vf_igu_cam_info(bp);
2000
2001         /* get the total queue count and allocate the global queue arrays */
2002         qcount = bnx2x_iov_get_max_queue_count(bp);
2003
2004         /* allocate the queue arrays for all VFs */
2005         bp->vfdb->vfqs = kzalloc(qcount * sizeof(struct bnx2x_vf_queue),
2006                                  GFP_KERNEL);
2007         if (!bp->vfdb->vfqs) {
2008                 BNX2X_ERR("failed to allocate vf queue array\n");
2009                 err = -ENOMEM;
2010                 goto failed;
2011         }
2012
2013         return 0;
2014 failed:
2015         DP(BNX2X_MSG_IOV, "Failed err=%d\n", err);
2016         __bnx2x_iov_free_vfdb(bp);
2017         return err;
2018 }
2019
2020 void bnx2x_iov_remove_one(struct bnx2x *bp)
2021 {
2022         /* if SRIOV is not enabled there's nothing to do */
2023         if (!IS_SRIOV(bp))
2024                 return;
2025
2026         DP(BNX2X_MSG_IOV, "about to call disable sriov\n");
2027         pci_disable_sriov(bp->pdev);
2028         DP(BNX2X_MSG_IOV, "sriov disabled\n");
2029
2030         /* free vf database */
2031         __bnx2x_iov_free_vfdb(bp);
2032 }
2033
2034 void bnx2x_iov_free_mem(struct bnx2x *bp)
2035 {
2036         int i;
2037
2038         if (!IS_SRIOV(bp))
2039                 return;
2040
2041         /* free vfs hw contexts */
2042         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2043                 struct hw_dma *cxt = &bp->vfdb->context[i];
2044                 BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size);
2045         }
2046
2047         BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr,
2048                        BP_VFDB(bp)->sp_dma.mapping,
2049                        BP_VFDB(bp)->sp_dma.size);
2050
2051         BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr,
2052                        BP_VF_MBX_DMA(bp)->mapping,
2053                        BP_VF_MBX_DMA(bp)->size);
2054
2055         BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr,
2056                        BP_VF_BULLETIN_DMA(bp)->mapping,
2057                        BP_VF_BULLETIN_DMA(bp)->size);
2058 }
2059
2060 int bnx2x_iov_alloc_mem(struct bnx2x *bp)
2061 {
2062         size_t tot_size;
2063         int i, rc = 0;
2064
2065         if (!IS_SRIOV(bp))
2066                 return rc;
2067
2068         /* allocate vfs hw contexts */
2069         tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) *
2070                 BNX2X_CIDS_PER_VF * sizeof(union cdu_context);
2071
2072         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2073                 struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i);
2074                 cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ);
2075
2076                 if (cxt->size) {
2077                         BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size);
2078                 } else {
2079                         cxt->addr = NULL;
2080                         cxt->mapping = 0;
2081                 }
2082                 tot_size -= cxt->size;
2083         }
2084
2085         /* allocate vfs ramrods dma memory - client_init and set_mac */
2086         tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp);
2087         BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping,
2088                         tot_size);
2089         BP_VFDB(bp)->sp_dma.size = tot_size;
2090
2091         /* allocate mailboxes */
2092         tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE;
2093         BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping,
2094                         tot_size);
2095         BP_VF_MBX_DMA(bp)->size = tot_size;
2096
2097         /* allocate local bulletin boards */
2098         tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE;
2099         BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp)->addr,
2100                         &BP_VF_BULLETIN_DMA(bp)->mapping, tot_size);
2101         BP_VF_BULLETIN_DMA(bp)->size = tot_size;
2102
2103         return 0;
2104
2105 alloc_mem_err:
2106         return -ENOMEM;
2107 }
2108
2109 static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
2110                            struct bnx2x_vf_queue *q)
2111 {
2112         u8 cl_id = vfq_cl_id(vf, q);
2113         u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
2114         unsigned long q_type = 0;
2115
2116         set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
2117         set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
2118
2119         /* Queue State object */
2120         bnx2x_init_queue_obj(bp, &q->sp_obj,
2121                              cl_id, &q->cid, 1, func_id,
2122                              bnx2x_vf_sp(bp, vf, q_data),
2123                              bnx2x_vf_sp_map(bp, vf, q_data),
2124                              q_type);
2125
2126         DP(BNX2X_MSG_IOV,
2127            "initialized vf %d's queue object. func id set to %d\n",
2128            vf->abs_vfid, q->sp_obj.func_id);
2129
2130         /* mac/vlan objects are per queue, but only those
2131          * that belong to the leading queue are initialized
2132          */
2133         if (vfq_is_leading(q)) {
2134                 /* mac */
2135                 bnx2x_init_mac_obj(bp, &q->mac_obj,
2136                                    cl_id, q->cid, func_id,
2137                                    bnx2x_vf_sp(bp, vf, mac_rdata),
2138                                    bnx2x_vf_sp_map(bp, vf, mac_rdata),
2139                                    BNX2X_FILTER_MAC_PENDING,
2140                                    &vf->filter_state,
2141                                    BNX2X_OBJ_TYPE_RX_TX,
2142                                    &bp->macs_pool);
2143                 /* vlan */
2144                 bnx2x_init_vlan_obj(bp, &q->vlan_obj,
2145                                     cl_id, q->cid, func_id,
2146                                     bnx2x_vf_sp(bp, vf, vlan_rdata),
2147                                     bnx2x_vf_sp_map(bp, vf, vlan_rdata),
2148                                     BNX2X_FILTER_VLAN_PENDING,
2149                                     &vf->filter_state,
2150                                     BNX2X_OBJ_TYPE_RX_TX,
2151                                     &bp->vlans_pool);
2152
2153                 /* mcast */
2154                 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id,
2155                                      q->cid, func_id, func_id,
2156                                      bnx2x_vf_sp(bp, vf, mcast_rdata),
2157                                      bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2158                                      BNX2X_FILTER_MCAST_PENDING,
2159                                      &vf->filter_state,
2160                                      BNX2X_OBJ_TYPE_RX_TX);
2161
2162                 vf->leading_rss = cl_id;
2163         }
2164 }
2165
2166 /* called by bnx2x_nic_load */
2167 int bnx2x_iov_nic_init(struct bnx2x *bp)
2168 {
2169         int vfid, qcount, i;
2170
2171         if (!IS_SRIOV(bp)) {
2172                 DP(BNX2X_MSG_IOV, "vfdb was not allocated\n");
2173                 return 0;
2174         }
2175
2176         DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn);
2177
2178         /* initialize vf database */
2179         for_each_vf(bp, vfid) {
2180                 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2181
2182                 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) *
2183                         BNX2X_CIDS_PER_VF;
2184
2185                 union cdu_context *base_cxt = (union cdu_context *)
2186                         BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2187                         (base_vf_cid & (ILT_PAGE_CIDS-1));
2188
2189                 DP(BNX2X_MSG_IOV,
2190                    "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n",
2191                    vf->abs_vfid, vf_sb_count(vf), base_vf_cid,
2192                    BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt);
2193
2194                 /* init statically provisioned resources */
2195                 bnx2x_iov_static_resc(bp, &vf->alloc_resc);
2196
2197                 /* queues are initialized during VF-ACQUIRE */
2198
2199                 /* reserve the vf vlan credit */
2200                 bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf));
2201
2202                 vf->filter_state = 0;
2203                 vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id);
2204
2205                 /*  init mcast object - This object will be re-initialized
2206                  *  during VF-ACQUIRE with the proper cl_id and cid.
2207                  *  It needs to be initialized here so that it can be safely
2208                  *  handled by a subsequent FLR flow.
2209                  */
2210                 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF,
2211                                      0xFF, 0xFF, 0xFF,
2212                                      bnx2x_vf_sp(bp, vf, mcast_rdata),
2213                                      bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2214                                      BNX2X_FILTER_MCAST_PENDING,
2215                                      &vf->filter_state,
2216                                      BNX2X_OBJ_TYPE_RX_TX);
2217
2218                 /* set the mailbox message addresses */
2219                 BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *)
2220                         (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid *
2221                         MBX_MSG_ALIGNED_SIZE);
2222
2223                 BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping +
2224                         vfid * MBX_MSG_ALIGNED_SIZE;
2225
2226                 /* Enable vf mailbox */
2227                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
2228         }
2229
2230         /* Final VF init */
2231         qcount = 0;
2232         for_each_vf(bp, i) {
2233                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2234
2235                 /* fill in the BDF and bars */
2236                 vf->bus = bnx2x_vf_bus(bp, i);
2237                 vf->devfn = bnx2x_vf_devfn(bp, i);
2238                 bnx2x_vf_set_bars(bp, vf);
2239
2240                 DP(BNX2X_MSG_IOV,
2241                    "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n",
2242                    vf->abs_vfid, vf->bus, vf->devfn,
2243                    (unsigned)vf->bars[0].bar, vf->bars[0].size,
2244                    (unsigned)vf->bars[1].bar, vf->bars[1].size,
2245                    (unsigned)vf->bars[2].bar, vf->bars[2].size);
2246
2247                 /* set local queue arrays */
2248                 vf->vfqs = &bp->vfdb->vfqs[qcount];
2249                 qcount += bnx2x_vf(bp, i, alloc_resc.num_sbs);
2250         }
2251
2252         return 0;
2253 }
2254
2255 /* called by bnx2x_chip_cleanup */
2256 int bnx2x_iov_chip_cleanup(struct bnx2x *bp)
2257 {
2258         int i;
2259
2260         if (!IS_SRIOV(bp))
2261                 return 0;
2262
2263         /* release all the VFs */
2264         for_each_vf(bp, i)
2265                 bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */
2266
2267         return 0;
2268 }
2269
2270 /* called by bnx2x_init_hw_func, returns the next ilt line */
2271 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line)
2272 {
2273         int i;
2274         struct bnx2x_ilt *ilt = BP_ILT(bp);
2275
2276         if (!IS_SRIOV(bp))
2277                 return line;
2278
2279         /* set vfs ilt lines */
2280         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2281                 struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i);
2282
2283                 ilt->lines[line+i].page = hw_cxt->addr;
2284                 ilt->lines[line+i].page_mapping = hw_cxt->mapping;
2285                 ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */
2286         }
2287         return line + i;
2288 }
2289
2290 static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid)
2291 {
2292         return ((cid >= BNX2X_FIRST_VF_CID) &&
2293                 ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS));
2294 }
2295
2296 static
2297 void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp,
2298                                         struct bnx2x_vf_queue *vfq,
2299                                         union event_ring_elem *elem)
2300 {
2301         unsigned long ramrod_flags = 0;
2302         int rc = 0;
2303
2304         /* Always push next commands out, don't wait here */
2305         set_bit(RAMROD_CONT, &ramrod_flags);
2306
2307         switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
2308         case BNX2X_FILTER_MAC_PENDING:
2309                 rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem,
2310                                            &ramrod_flags);
2311                 break;
2312         case BNX2X_FILTER_VLAN_PENDING:
2313                 rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem,
2314                                             &ramrod_flags);
2315                 break;
2316         default:
2317                 BNX2X_ERR("Unsupported classification command: %d\n",
2318                           elem->message.data.eth_event.echo);
2319                 return;
2320         }
2321         if (rc < 0)
2322                 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
2323         else if (rc > 0)
2324                 DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n");
2325 }
2326
2327 static
2328 void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp,
2329                                struct bnx2x_virtf *vf)
2330 {
2331         struct bnx2x_mcast_ramrod_params rparam = {NULL};
2332         int rc;
2333
2334         rparam.mcast_obj = &vf->mcast_obj;
2335         vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw);
2336
2337         /* If there are pending mcast commands - send them */
2338         if (vf->mcast_obj.check_pending(&vf->mcast_obj)) {
2339                 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
2340                 if (rc < 0)
2341                         BNX2X_ERR("Failed to send pending mcast commands: %d\n",
2342                                   rc);
2343         }
2344 }
2345
2346 static
2347 void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp,
2348                                  struct bnx2x_virtf *vf)
2349 {
2350         smp_mb__before_clear_bit();
2351         clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
2352         smp_mb__after_clear_bit();
2353 }
2354
2355 int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem)
2356 {
2357         struct bnx2x_virtf *vf;
2358         int qidx = 0, abs_vfid;
2359         u8 opcode;
2360         u16 cid = 0xffff;
2361
2362         if (!IS_SRIOV(bp))
2363                 return 1;
2364
2365         /* first get the cid - the only events we handle here are cfc-delete
2366          * and set-mac completion
2367          */
2368         opcode = elem->message.opcode;
2369
2370         switch (opcode) {
2371         case EVENT_RING_OPCODE_CFC_DEL:
2372                 cid = SW_CID((__force __le32)
2373                              elem->message.data.cfc_del_event.cid);
2374                 DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid);
2375                 break;
2376         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2377         case EVENT_RING_OPCODE_MULTICAST_RULES:
2378         case EVENT_RING_OPCODE_FILTERS_RULES:
2379                 cid = (elem->message.data.eth_event.echo &
2380                        BNX2X_SWCID_MASK);
2381                 DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid);
2382                 break;
2383         case EVENT_RING_OPCODE_VF_FLR:
2384                 abs_vfid = elem->message.data.vf_flr_event.vf_id;
2385                 DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n",
2386                    abs_vfid);
2387                 goto get_vf;
2388         case EVENT_RING_OPCODE_MALICIOUS_VF:
2389                 abs_vfid = elem->message.data.malicious_vf_event.vf_id;
2390                 DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d\n",
2391                    abs_vfid);
2392                 goto get_vf;
2393         default:
2394                 return 1;
2395         }
2396
2397         /* check if the cid is the VF range */
2398         if (!bnx2x_iov_is_vf_cid(bp, cid)) {
2399                 DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid);
2400                 return 1;
2401         }
2402
2403         /* extract vf and rxq index from vf_cid - relies on the following:
2404          * 1. vfid on cid reflects the true abs_vfid
2405          * 2. the max number of VFs (per path) is 64
2406          */
2407         qidx = cid & ((1 << BNX2X_VF_CID_WND)-1);
2408         abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2409 get_vf:
2410         vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
2411
2412         if (!vf) {
2413                 BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n",
2414                           cid, abs_vfid);
2415                 return 0;
2416         }
2417
2418         switch (opcode) {
2419         case EVENT_RING_OPCODE_CFC_DEL:
2420                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n",
2421                    vf->abs_vfid, qidx);
2422                 vfq_get(vf, qidx)->sp_obj.complete_cmd(bp,
2423                                                        &vfq_get(vf,
2424                                                                 qidx)->sp_obj,
2425                                                        BNX2X_Q_CMD_CFC_DEL);
2426                 break;
2427         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2428                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n",
2429                    vf->abs_vfid, qidx);
2430                 bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem);
2431                 break;
2432         case EVENT_RING_OPCODE_MULTICAST_RULES:
2433                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n",
2434                    vf->abs_vfid, qidx);
2435                 bnx2x_vf_handle_mcast_eqe(bp, vf);
2436                 break;
2437         case EVENT_RING_OPCODE_FILTERS_RULES:
2438                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n",
2439                    vf->abs_vfid, qidx);
2440                 bnx2x_vf_handle_filters_eqe(bp, vf);
2441                 break;
2442         case EVENT_RING_OPCODE_VF_FLR:
2443                 DP(BNX2X_MSG_IOV, "got VF [%d] FLR notification\n",
2444                    vf->abs_vfid);
2445                 /* Do nothing for now */
2446                 break;
2447         case EVENT_RING_OPCODE_MALICIOUS_VF:
2448                 DP(BNX2X_MSG_IOV, "got VF [%d] MALICIOUS notification\n",
2449                    vf->abs_vfid);
2450                 /* Do nothing for now */
2451                 break;
2452         }
2453         /* SRIOV: reschedule any 'in_progress' operations */
2454         bnx2x_iov_sp_event(bp, cid, false);
2455
2456         return 0;
2457 }
2458
2459 static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid)
2460 {
2461         /* extract the vf from vf_cid - relies on the following:
2462          * 1. vfid on cid reflects the true abs_vfid
2463          * 2. the max number of VFs (per path) is 64
2464          */
2465         int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2466         return bnx2x_vf_by_abs_fid(bp, abs_vfid);
2467 }
2468
2469 void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
2470                                 struct bnx2x_queue_sp_obj **q_obj)
2471 {
2472         struct bnx2x_virtf *vf;
2473
2474         if (!IS_SRIOV(bp))
2475                 return;
2476
2477         vf = bnx2x_vf_by_cid(bp, vf_cid);
2478
2479         if (vf) {
2480                 /* extract queue index from vf_cid - relies on the following:
2481                  * 1. vfid on cid reflects the true abs_vfid
2482                  * 2. the max number of VFs (per path) is 64
2483                  */
2484                 int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1);
2485                 *q_obj = &bnx2x_vfq(vf, q_index, sp_obj);
2486         } else {
2487                 BNX2X_ERR("No vf matching cid %d\n", vf_cid);
2488         }
2489 }
2490
2491 void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work)
2492 {
2493         struct bnx2x_virtf *vf;
2494
2495         /* check if the cid is the VF range */
2496         if (!IS_SRIOV(bp) || !bnx2x_iov_is_vf_cid(bp, vf_cid))
2497                 return;
2498
2499         vf = bnx2x_vf_by_cid(bp, vf_cid);
2500         if (vf) {
2501                 /* set in_progress flag */
2502                 atomic_set(&vf->op_in_progress, 1);
2503                 if (queue_work)
2504                         queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
2505         }
2506 }
2507
2508 void bnx2x_iov_adjust_stats_req(struct bnx2x *bp)
2509 {
2510         int i;
2511         int first_queue_query_index, num_queues_req;
2512         dma_addr_t cur_data_offset;
2513         struct stats_query_entry *cur_query_entry;
2514         u8 stats_count = 0;
2515         bool is_fcoe = false;
2516
2517         if (!IS_SRIOV(bp))
2518                 return;
2519
2520         if (!NO_FCOE(bp))
2521                 is_fcoe = true;
2522
2523         /* fcoe adds one global request and one queue request */
2524         num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe;
2525         first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX -
2526                 (is_fcoe ? 0 : 1);
2527
2528         DP(BNX2X_MSG_IOV,
2529            "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",
2530            BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index,
2531            first_queue_query_index + num_queues_req);
2532
2533         cur_data_offset = bp->fw_stats_data_mapping +
2534                 offsetof(struct bnx2x_fw_stats_data, queue_stats) +
2535                 num_queues_req * sizeof(struct per_queue_stats);
2536
2537         cur_query_entry = &bp->fw_stats_req->
2538                 query[first_queue_query_index + num_queues_req];
2539
2540         for_each_vf(bp, i) {
2541                 int j;
2542                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2543
2544                 if (vf->state != VF_ENABLED) {
2545                         DP(BNX2X_MSG_IOV,
2546                            "vf %d not enabled so no stats for it\n",
2547                            vf->abs_vfid);
2548                         continue;
2549                 }
2550
2551                 DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid);
2552                 for_each_vfq(vf, j) {
2553                         struct bnx2x_vf_queue *rxq = vfq_get(vf, j);
2554
2555                         /* collect stats fro active queues only */
2556                         if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) ==
2557                             BNX2X_Q_LOGICAL_STATE_STOPPED)
2558                                 continue;
2559
2560                         /* create stats query entry for this queue */
2561                         cur_query_entry->kind = STATS_TYPE_QUEUE;
2562                         cur_query_entry->index = vfq_cl_id(vf, rxq);
2563                         cur_query_entry->funcID =
2564                                 cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid));
2565                         cur_query_entry->address.hi =
2566                                 cpu_to_le32(U64_HI(vf->fw_stat_map));
2567                         cur_query_entry->address.lo =
2568                                 cpu_to_le32(U64_LO(vf->fw_stat_map));
2569                         DP(BNX2X_MSG_IOV,
2570                            "added address %x %x for vf %d queue %d client %d\n",
2571                            cur_query_entry->address.hi,
2572                            cur_query_entry->address.lo, cur_query_entry->funcID,
2573                            j, cur_query_entry->index);
2574                         cur_query_entry++;
2575                         cur_data_offset += sizeof(struct per_queue_stats);
2576                         stats_count++;
2577                 }
2578         }
2579         bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count;
2580 }
2581
2582 void bnx2x_iov_sp_task(struct bnx2x *bp)
2583 {
2584         int i;
2585
2586         if (!IS_SRIOV(bp))
2587                 return;
2588         /* Iterate over all VFs and invoke state transition for VFs with
2589          * 'in-progress' slow-path operations
2590          */
2591         DP(BNX2X_MSG_IOV, "searching for pending vf operations\n");
2592         for_each_vf(bp, i) {
2593                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2594
2595                 if (!list_empty(&vf->op_list_head) &&
2596                     atomic_read(&vf->op_in_progress)) {
2597                         DP(BNX2X_MSG_IOV, "running pending op for vf %d\n", i);
2598                         bnx2x_vfop_cur(bp, vf)->transition(bp, vf);
2599                 }
2600         }
2601 }
2602
2603 static inline
2604 struct bnx2x_virtf *__vf_from_stat_id(struct bnx2x *bp, u8 stat_id)
2605 {
2606         int i;
2607         struct bnx2x_virtf *vf = NULL;
2608
2609         for_each_vf(bp, i) {
2610                 vf = BP_VF(bp, i);
2611                 if (stat_id >= vf->igu_base_id &&
2612                     stat_id < vf->igu_base_id + vf_sb_count(vf))
2613                         break;
2614         }
2615         return vf;
2616 }
2617
2618 /* VF API helpers */
2619 static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid,
2620                                 u8 enable)
2621 {
2622         u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4;
2623         u32 val = enable ? (abs_vfid | (1 << 6)) : 0;
2624
2625         REG_WR(bp, reg, val);
2626 }
2627
2628 static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf)
2629 {
2630         int i;
2631
2632         for_each_vfq(vf, i)
2633                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2634                                     vfq_qzone_id(vf, vfq_get(vf, i)), false);
2635 }
2636
2637 static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf)
2638 {
2639         u32 val;
2640
2641         /* clear the VF configuration - pretend */
2642         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
2643         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
2644         val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN |
2645                  IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK);
2646         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
2647         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2648 }
2649
2650 u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf)
2651 {
2652         return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF),
2653                      BNX2X_VF_MAX_QUEUES);
2654 }
2655
2656 static
2657 int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf,
2658                             struct vf_pf_resc_request *req_resc)
2659 {
2660         u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2661         u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2662
2663         return ((req_resc->num_rxqs <= rxq_cnt) &&
2664                 (req_resc->num_txqs <= txq_cnt) &&
2665                 (req_resc->num_sbs <= vf_sb_count(vf))   &&
2666                 (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) &&
2667                 (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf)));
2668 }
2669
2670 /* CORE VF API */
2671 int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
2672                      struct vf_pf_resc_request *resc)
2673 {
2674         int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) *
2675                 BNX2X_CIDS_PER_VF;
2676
2677         union cdu_context *base_cxt = (union cdu_context *)
2678                 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2679                 (base_vf_cid & (ILT_PAGE_CIDS-1));
2680         int i;
2681
2682         /* if state is 'acquired' the VF was not released or FLR'd, in
2683          * this case the returned resources match the acquired already
2684          * acquired resources. Verify that the requested numbers do
2685          * not exceed the already acquired numbers.
2686          */
2687         if (vf->state == VF_ACQUIRED) {
2688                 DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n",
2689                    vf->abs_vfid);
2690
2691                 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2692                         BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n",
2693                                   vf->abs_vfid);
2694                         return -EINVAL;
2695                 }
2696                 return 0;
2697         }
2698
2699         /* Otherwise vf state must be 'free' or 'reset' */
2700         if (vf->state != VF_FREE && vf->state != VF_RESET) {
2701                 BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n",
2702                           vf->abs_vfid, vf->state);
2703                 return -EINVAL;
2704         }
2705
2706         /* static allocation:
2707          * the global maximum number are fixed per VF. fail the request if
2708          * requested number exceed these globals
2709          */
2710         if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2711                 DP(BNX2X_MSG_IOV,
2712                    "cannot fulfill vf resource request. Placing maximal available values in response\n");
2713                 /* set the max resource in the vf */
2714                 return -ENOMEM;
2715         }
2716
2717         /* Set resources counters - 0 request means max available */
2718         vf_sb_count(vf) = resc->num_sbs;
2719         vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2720         vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2721         if (resc->num_mac_filters)
2722                 vf_mac_rules_cnt(vf) = resc->num_mac_filters;
2723         if (resc->num_vlan_filters)
2724                 vf_vlan_rules_cnt(vf) = resc->num_vlan_filters;
2725
2726         DP(BNX2X_MSG_IOV,
2727            "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n",
2728            vf_sb_count(vf), vf_rxq_count(vf),
2729            vf_txq_count(vf), vf_mac_rules_cnt(vf),
2730            vf_vlan_rules_cnt(vf));
2731
2732         /* Initialize the queues */
2733         if (!vf->vfqs) {
2734                 DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n");
2735                 return -EINVAL;
2736         }
2737
2738         for_each_vfq(vf, i) {
2739                 struct bnx2x_vf_queue *q = vfq_get(vf, i);
2740
2741                 if (!q) {
2742                         DP(BNX2X_MSG_IOV, "q number %d was not allocated\n", i);
2743                         return -EINVAL;
2744                 }
2745
2746                 q->index = i;
2747                 q->cxt = &((base_cxt + i)->eth);
2748                 q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i;
2749
2750                 DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n",
2751                    vf->abs_vfid, i, q->index, q->cid, q->cxt);
2752
2753                 /* init SP objects */
2754                 bnx2x_vfq_init(bp, vf, q);
2755         }
2756         vf->state = VF_ACQUIRED;
2757         return 0;
2758 }
2759
2760 int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map)
2761 {
2762         struct bnx2x_func_init_params func_init = {0};
2763         u16 flags = 0;
2764         int i;
2765
2766         /* the sb resources are initialized at this point, do the
2767          * FW/HW initializations
2768          */
2769         for_each_vf_sb(vf, i)
2770                 bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true,
2771                               vf_igu_sb(vf, i), vf_igu_sb(vf, i));
2772
2773         /* Sanity checks */
2774         if (vf->state != VF_ACQUIRED) {
2775                 DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n",
2776                    vf->abs_vfid, vf->state);
2777                 return -EINVAL;
2778         }
2779         /* FLR cleanup epilogue */
2780         if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid))
2781                 return -EBUSY;
2782
2783         /* reset IGU VF statistics: MSIX */
2784         REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0);
2785
2786         /* vf init */
2787         if (vf->cfg_flags & VF_CFG_STATS)
2788                 flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ);
2789
2790         if (vf->cfg_flags & VF_CFG_TPA)
2791                 flags |= FUNC_FLG_TPA;
2792
2793         if (is_vf_multi(vf))
2794                 flags |= FUNC_FLG_RSS;
2795
2796         /* function setup */
2797         func_init.func_flgs = flags;
2798         func_init.pf_id = BP_FUNC(bp);
2799         func_init.func_id = FW_VF_HANDLE(vf->abs_vfid);
2800         func_init.fw_stat_map = vf->fw_stat_map;
2801         func_init.spq_map = vf->spq_map;
2802         func_init.spq_prod = 0;
2803         bnx2x_func_init(bp, &func_init);
2804
2805         /* Enable the vf */
2806         bnx2x_vf_enable_access(bp, vf->abs_vfid);
2807         bnx2x_vf_enable_traffic(bp, vf);
2808
2809         /* queue protection table */
2810         for_each_vfq(vf, i)
2811                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2812                                     vfq_qzone_id(vf, vfq_get(vf, i)), true);
2813
2814         vf->state = VF_ENABLED;
2815
2816         /* update vf bulletin board */
2817         bnx2x_post_vf_bulletin(bp, vf->index);
2818
2819         return 0;
2820 }
2821
2822 /* VFOP close (teardown the queues, delete mcasts and close HW) */
2823 static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf)
2824 {
2825         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2826         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
2827         enum bnx2x_vfop_close_state state = vfop->state;
2828         struct bnx2x_vfop_cmd cmd = {
2829                 .done = bnx2x_vfop_close,
2830                 .block = false,
2831         };
2832
2833         if (vfop->rc < 0)
2834                 goto op_err;
2835
2836         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
2837
2838         switch (state) {
2839         case BNX2X_VFOP_CLOSE_QUEUES:
2840
2841                 if (++(qx->qid) < vf_rxq_count(vf)) {
2842                         vfop->rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qx->qid);
2843                         if (vfop->rc)
2844                                 goto op_err;
2845                         return;
2846                 }
2847
2848                 /* remove multicasts */
2849                 vfop->state = BNX2X_VFOP_CLOSE_HW;
2850                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, 0, false);
2851                 if (vfop->rc)
2852                         goto op_err;
2853                 return;
2854
2855         case BNX2X_VFOP_CLOSE_HW:
2856
2857                 /* disable the interrupts */
2858                 DP(BNX2X_MSG_IOV, "disabling igu\n");
2859                 bnx2x_vf_igu_disable(bp, vf);
2860
2861                 /* disable the VF */
2862                 DP(BNX2X_MSG_IOV, "clearing qtbl\n");
2863                 bnx2x_vf_clr_qtbl(bp, vf);
2864
2865                 goto op_done;
2866         default:
2867                 bnx2x_vfop_default(state);
2868         }
2869 op_err:
2870         BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc);
2871 op_done:
2872         vf->state = VF_ACQUIRED;
2873         DP(BNX2X_MSG_IOV, "set state to acquired\n");
2874         bnx2x_vfop_end(bp, vf, vfop);
2875 }
2876
2877 int bnx2x_vfop_close_cmd(struct bnx2x *bp,
2878                          struct bnx2x_virtf *vf,
2879                          struct bnx2x_vfop_cmd *cmd)
2880 {
2881         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2882         if (vfop) {
2883                 vfop->args.qx.qid = -1; /* loop */
2884                 bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES,
2885                                  bnx2x_vfop_close, cmd->done);
2886                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_close,
2887                                              cmd->block);
2888         }
2889         return -ENOMEM;
2890 }
2891
2892 /* VF release can be called either: 1. the VF was acquired but
2893  * not enabled 2. the vf was enabled or in the process of being
2894  * enabled
2895  */
2896 static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf)
2897 {
2898         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2899         struct bnx2x_vfop_cmd cmd = {
2900                 .done = bnx2x_vfop_release,
2901                 .block = false,
2902         };
2903
2904         DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2905
2906         if (vfop->rc < 0)
2907                 goto op_err;
2908
2909         DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid,
2910            vf->state == VF_FREE ? "Free" :
2911            vf->state == VF_ACQUIRED ? "Acquired" :
2912            vf->state == VF_ENABLED ? "Enabled" :
2913            vf->state == VF_RESET ? "Reset" :
2914            "Unknown");
2915
2916         switch (vf->state) {
2917         case VF_ENABLED:
2918                 vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd);
2919                 if (vfop->rc)
2920                         goto op_err;
2921                 return;
2922
2923         case VF_ACQUIRED:
2924                 DP(BNX2X_MSG_IOV, "about to free resources\n");
2925                 bnx2x_vf_free_resc(bp, vf);
2926                 DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2927                 goto op_done;
2928
2929         case VF_FREE:
2930         case VF_RESET:
2931                 /* do nothing */
2932                 goto op_done;
2933         default:
2934                 bnx2x_vfop_default(vf->state);
2935         }
2936 op_err:
2937         BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc);
2938 op_done:
2939         bnx2x_vfop_end(bp, vf, vfop);
2940 }
2941
2942 int bnx2x_vfop_release_cmd(struct bnx2x *bp,
2943                            struct bnx2x_virtf *vf,
2944                            struct bnx2x_vfop_cmd *cmd)
2945 {
2946         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2947         if (vfop) {
2948                 bnx2x_vfop_opset(-1, /* use vf->state */
2949                                  bnx2x_vfop_release, cmd->done);
2950                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release,
2951                                              cmd->block);
2952         }
2953         return -ENOMEM;
2954 }
2955
2956 /* VF release ~ VF close + VF release-resources
2957  * Release is the ultimate SW shutdown and is called whenever an
2958  * irrecoverable error is encountered.
2959  */
2960 void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block)
2961 {
2962         struct bnx2x_vfop_cmd cmd = {
2963                 .done = NULL,
2964                 .block = block,
2965         };
2966         int rc;
2967         bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
2968
2969         rc = bnx2x_vfop_release_cmd(bp, vf, &cmd);
2970         if (rc)
2971                 WARN(rc,
2972                      "VF[%d] Failed to allocate resources for release op- rc=%d\n",
2973                      vf->abs_vfid, rc);
2974 }
2975
2976 static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp,
2977                               struct bnx2x_virtf *vf, u32 *sbdf)
2978 {
2979         *sbdf = vf->devfn | (vf->bus << 8);
2980 }
2981
2982 static inline void bnx2x_vf_get_bars(struct bnx2x *bp, struct bnx2x_virtf *vf,
2983                        struct bnx2x_vf_bar_info *bar_info)
2984 {
2985         int n;
2986
2987         bar_info->nr_bars = bp->vfdb->sriov.nres;
2988         for (n = 0; n < bar_info->nr_bars; n++)
2989                 bar_info->bars[n] = vf->bars[n];
2990 }
2991
2992 void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
2993                               enum channel_tlvs tlv)
2994 {
2995         /* lock the channel */
2996         mutex_lock(&vf->op_mutex);
2997
2998         /* record the locking op */
2999         vf->op_current = tlv;
3000
3001         /* log the lock */
3002         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n",
3003            vf->abs_vfid, tlv);
3004 }
3005
3006 void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
3007                                 enum channel_tlvs expected_tlv)
3008 {
3009         WARN(expected_tlv != vf->op_current,
3010              "lock mismatch: expected %d found %d", expected_tlv,
3011              vf->op_current);
3012
3013         /* lock the channel */
3014         mutex_unlock(&vf->op_mutex);
3015
3016         /* log the unlock */
3017         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n",
3018            vf->abs_vfid, vf->op_current);
3019
3020         /* record the locking op */
3021         vf->op_current = CHANNEL_TLV_NONE;
3022 }
3023
3024 int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param)
3025 {
3026
3027         struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev));
3028
3029         DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n",
3030            num_vfs_param, BNX2X_NR_VIRTFN(bp));
3031
3032         /* HW channel is only operational when PF is up */
3033         if (bp->state != BNX2X_STATE_OPEN) {
3034                 BNX2X_ERR("VF num configurtion via sysfs not supported while PF is down");
3035                 return -EINVAL;
3036         }
3037
3038         /* we are always bound by the total_vfs in the configuration space */
3039         if (num_vfs_param > BNX2X_NR_VIRTFN(bp)) {
3040                 BNX2X_ERR("truncating requested number of VFs (%d) down to maximum allowed (%d)\n",
3041                           num_vfs_param, BNX2X_NR_VIRTFN(bp));
3042                 num_vfs_param = BNX2X_NR_VIRTFN(bp);
3043         }
3044
3045         bp->requested_nr_virtfn = num_vfs_param;
3046         if (num_vfs_param == 0) {
3047                 pci_disable_sriov(dev);
3048                 return 0;
3049         } else {
3050                 return bnx2x_enable_sriov(bp);
3051         }
3052 }
3053
3054 int bnx2x_enable_sriov(struct bnx2x *bp)
3055 {
3056         int rc = 0, req_vfs = bp->requested_nr_virtfn;
3057
3058         rc = pci_enable_sriov(bp->pdev, req_vfs);
3059         if (rc) {
3060                 BNX2X_ERR("pci_enable_sriov failed with %d\n", rc);
3061                 return rc;
3062         }
3063         DP(BNX2X_MSG_IOV, "sriov enabled (%d vfs)\n", req_vfs);
3064         return req_vfs;
3065 }
3066
3067 void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp)
3068 {
3069         int vfidx;
3070         struct pf_vf_bulletin_content *bulletin;
3071
3072         DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n");
3073         for_each_vf(bp, vfidx) {
3074         bulletin = BP_VF_BULLETIN(bp, vfidx);
3075                 if (BP_VF(bp, vfidx)->cfg_flags & VF_CFG_VLAN)
3076                         bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0);
3077         }
3078 }
3079
3080 void bnx2x_disable_sriov(struct bnx2x *bp)
3081 {
3082         pci_disable_sriov(bp->pdev);
3083 }
3084
3085 static int bnx2x_vf_ndo_sanity(struct bnx2x *bp, int vfidx,
3086                                struct bnx2x_virtf *vf)
3087 {
3088         if (!IS_SRIOV(bp)) {
3089                 BNX2X_ERR("vf ndo called though sriov is disabled\n");
3090                 return -EINVAL;
3091         }
3092
3093         if (vfidx >= BNX2X_NR_VIRTFN(bp)) {
3094                 BNX2X_ERR("vf ndo called for uninitialized VF. vfidx was %d BNX2X_NR_VIRTFN was %d\n",
3095                           vfidx, BNX2X_NR_VIRTFN(bp));
3096                 return -EINVAL;
3097         }
3098
3099         if (!vf) {
3100                 BNX2X_ERR("vf ndo called but vf was null. vfidx was %d\n",
3101                           vfidx);
3102                 return -EINVAL;
3103         }
3104
3105         return 0;
3106 }
3107
3108 int bnx2x_get_vf_config(struct net_device *dev, int vfidx,
3109                         struct ifla_vf_info *ivi)
3110 {
3111         struct bnx2x *bp = netdev_priv(dev);
3112         struct bnx2x_virtf *vf = BP_VF(bp, vfidx);
3113         struct bnx2x_vlan_mac_obj *mac_obj = &bnx2x_vfq(vf, 0, mac_obj);
3114         struct bnx2x_vlan_mac_obj *vlan_obj = &bnx2x_vfq(vf, 0, vlan_obj);
3115         struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx);
3116         int rc;
3117
3118         /* sanity */
3119         rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf);
3120         if (rc)
3121                 return rc;
3122         if (!mac_obj || !vlan_obj || !bulletin) {
3123                 BNX2X_ERR("VF partially initialized\n");
3124                 return -EINVAL;
3125         }
3126
3127         ivi->vf = vfidx;
3128         ivi->qos = 0;
3129         ivi->tx_rate = 10000; /* always 10G. TBA take from link struct */
3130         ivi->spoofchk = 1; /*always enabled */
3131         if (vf->state == VF_ENABLED) {
3132                 /* mac and vlan are in vlan_mac objects */
3133                 mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac,
3134                                         0, ETH_ALEN);
3135                 vlan_obj->get_n_elements(bp, vlan_obj, 1, (u8 *)&ivi->vlan,
3136                                          0, VLAN_HLEN);
3137         } else {
3138                 /* mac */
3139                 if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID))
3140                         /* mac configured by ndo so its in bulletin board */
3141                         memcpy(&ivi->mac, bulletin->mac, ETH_ALEN);
3142                 else
3143                         /* funtion has not been loaded yet. Show mac as 0s */
3144                         memset(&ivi->mac, 0, ETH_ALEN);
3145
3146                 /* vlan */
3147                 if (bulletin->valid_bitmap & (1 << VLAN_VALID))
3148                         /* vlan configured by ndo so its in bulletin board */
3149                         memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN);
3150                 else
3151                         /* funtion has not been loaded yet. Show vlans as 0s */
3152                         memset(&ivi->vlan, 0, VLAN_HLEN);
3153         }
3154
3155         return 0;
3156 }
3157
3158 /* New mac for VF. Consider these cases:
3159  * 1. VF hasn't been acquired yet - save the mac in local bulletin board and
3160  *    supply at acquire.
3161  * 2. VF has already been acquired but has not yet initialized - store in local
3162  *    bulletin board. mac will be posted on VF bulletin board after VF init. VF
3163  *    will configure this mac when it is ready.
3164  * 3. VF has already initialized but has not yet setup a queue - post the new
3165  *    mac on VF's bulletin board right now. VF will configure this mac when it
3166  *    is ready.
3167  * 4. VF has already set a queue - delete any macs already configured for this
3168  *    queue and manually config the new mac.
3169  * In any event, once this function has been called refuse any attempts by the
3170  * VF to configure any mac for itself except for this mac. In case of a race
3171  * where the VF fails to see the new post on its bulletin board before sending a
3172  * mac configuration request, the PF will simply fail the request and VF can try
3173  * again after consulting its bulletin board.
3174  */
3175 int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac)
3176 {
3177         struct bnx2x *bp = netdev_priv(dev);
3178         int rc, q_logical_state;
3179         struct bnx2x_virtf *vf = BP_VF(bp, vfidx);
3180         struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx);
3181
3182         /* sanity */
3183         rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf);
3184         if (rc)
3185                 return rc;
3186         if (!is_valid_ether_addr(mac)) {
3187                 BNX2X_ERR("mac address invalid\n");
3188                 return -EINVAL;
3189         }
3190
3191         /* update PF's copy of the VF's bulletin. will no longer accept mac
3192          * configuration requests from vf unless match this mac
3193          */
3194         bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID;
3195         memcpy(bulletin->mac, mac, ETH_ALEN);
3196
3197         /* Post update on VF's bulletin board */
3198         rc = bnx2x_post_vf_bulletin(bp, vfidx);
3199         if (rc) {
3200                 BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx);
3201                 return rc;
3202         }
3203
3204         /* is vf initialized and queue set up? */
3205         q_logical_state =
3206                 bnx2x_get_q_logical_state(bp, &bnx2x_vfq(vf, 0, sp_obj));
3207         if (vf->state == VF_ENABLED &&
3208             q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3209                 /* configure the mac in device on this vf's queue */
3210                 unsigned long ramrod_flags = 0;
3211                 struct bnx2x_vlan_mac_obj *mac_obj = &bnx2x_vfq(vf, 0, mac_obj);
3212
3213                 /* must lock vfpf channel to protect against vf flows */
3214                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3215
3216                 /* remove existing eth macs */
3217                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true);
3218                 if (rc) {
3219                         BNX2X_ERR("failed to delete eth macs\n");
3220                         return -EINVAL;
3221                 }
3222
3223                 /* remove existing uc list macs */
3224                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true);
3225                 if (rc) {
3226                         BNX2X_ERR("failed to delete uc_list macs\n");
3227                         return -EINVAL;
3228                 }
3229
3230                 /* configure the new mac to device */
3231                 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3232                 bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true,
3233                                   BNX2X_ETH_MAC, &ramrod_flags);
3234
3235                 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3236         }
3237
3238         return 0;
3239 }
3240
3241 int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)
3242 {
3243         struct bnx2x *bp = netdev_priv(dev);
3244         int rc, q_logical_state;
3245         struct bnx2x_virtf *vf = BP_VF(bp, vfidx);
3246         struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx);
3247
3248         /* sanity */
3249         rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf);
3250         if (rc)
3251                 return rc;
3252
3253         if (vlan > 4095) {
3254                 BNX2X_ERR("illegal vlan value %d\n", vlan);
3255                 return -EINVAL;
3256         }
3257
3258         DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n",
3259            vfidx, vlan, 0);
3260
3261         /* update PF's copy of the VF's bulletin. No point in posting the vlan
3262          * to the VF since it doesn't have anything to do with it. But it useful
3263          * to store it here in case the VF is not up yet and we can only
3264          * configure the vlan later when it does.
3265          */
3266         bulletin->valid_bitmap |= 1 << VLAN_VALID;
3267         bulletin->vlan = vlan;
3268
3269         /* is vf initialized and queue set up? */
3270         q_logical_state =
3271                 bnx2x_get_q_logical_state(bp, &bnx2x_vfq(vf, 0, sp_obj));
3272         if (vf->state == VF_ENABLED &&
3273             q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3274                 /* configure the vlan in device on this vf's queue */
3275                 unsigned long ramrod_flags = 0;
3276                 unsigned long vlan_mac_flags = 0;
3277                 struct bnx2x_vlan_mac_obj *vlan_obj =
3278                         &bnx2x_vfq(vf, 0, vlan_obj);
3279                 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
3280                 struct bnx2x_queue_state_params q_params = {NULL};
3281                 struct bnx2x_queue_update_params *update_params;
3282
3283                 memset(&ramrod_param, 0, sizeof(ramrod_param));
3284
3285                 /* must lock vfpf channel to protect against vf flows */
3286                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3287
3288                 /* remove existing vlans */
3289                 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3290                 rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags,
3291                                           &ramrod_flags);
3292                 if (rc) {
3293                         BNX2X_ERR("failed to delete vlans\n");
3294                         return -EINVAL;
3295                 }
3296
3297                 /* send queue update ramrod to configure default vlan and silent
3298                  * vlan removal
3299                  */
3300                 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
3301                 q_params.cmd = BNX2X_Q_CMD_UPDATE;
3302                 q_params.q_obj = &bnx2x_vfq(vf, 0, sp_obj);
3303                 update_params = &q_params.params.update;
3304                 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
3305                           &update_params->update_flags);
3306                 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
3307                           &update_params->update_flags);
3308
3309                 if (vlan == 0) {
3310                         /* if vlan is 0 then we want to leave the VF traffic
3311                          * untagged, and leave the incoming traffic untouched
3312                          * (i.e. do not remove any vlan tags).
3313                          */
3314                         __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3315                                     &update_params->update_flags);
3316                         __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3317                                     &update_params->update_flags);
3318                 } else {
3319                         /* configure the new vlan to device */
3320                         __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3321                         ramrod_param.vlan_mac_obj = vlan_obj;
3322                         ramrod_param.ramrod_flags = ramrod_flags;
3323                         ramrod_param.user_req.u.vlan.vlan = vlan;
3324                         ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
3325                         rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
3326                         if (rc) {
3327                                 BNX2X_ERR("failed to configure vlan\n");
3328                                 return -EINVAL;
3329                         }
3330
3331                         /* configure default vlan to vf queue and set silent
3332                          * vlan removal (the vf remains unaware of this vlan).
3333                          */
3334                         update_params = &q_params.params.update;
3335                         __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3336                                   &update_params->update_flags);
3337                         __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3338                                   &update_params->update_flags);
3339                         update_params->def_vlan = vlan;
3340                 }
3341
3342                 /* Update the Queue state */
3343                 rc = bnx2x_queue_state_change(bp, &q_params);
3344                 if (rc) {
3345                         BNX2X_ERR("Failed to configure default VLAN\n");
3346                         return rc;
3347                 }
3348
3349                 /* clear the flag indicating that this VF needs its vlan
3350                  * (will only be set if the HV configured th Vlan before vf was
3351                  * and we were called because the VF came up later
3352                  */
3353                 vf->cfg_flags &= ~VF_CFG_VLAN;
3354
3355                 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3356         }
3357         return 0;
3358 }
3359
3360 /* crc is the first field in the bulletin board. compute the crc over the
3361  * entire bulletin board excluding the crc field itself
3362  */
3363 u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp,
3364                           struct pf_vf_bulletin_content *bulletin)
3365 {
3366         return crc32(BULLETIN_CRC_SEED,
3367                  ((u8 *)bulletin) + sizeof(bulletin->crc),
3368                  bulletin->length - sizeof(bulletin->crc));
3369 }
3370
3371 /* Check for new posts on the bulletin board */
3372 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
3373 {
3374         struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
3375         int attempts;
3376
3377         /* bulletin board hasn't changed since last sample */
3378         if (bp->old_bulletin.version == bulletin.version)
3379                 return PFVF_BULLETIN_UNCHANGED;
3380
3381         /* validate crc of new bulletin board */
3382         if (bp->old_bulletin.version != bp->pf2vf_bulletin->content.version) {
3383                 /* sampling structure in mid post may result with corrupted data
3384                  * validate crc to ensure coherency.
3385                  */
3386                 for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) {
3387                         bulletin = bp->pf2vf_bulletin->content;
3388                         if (bulletin.crc == bnx2x_crc_vf_bulletin(bp,
3389                                                                   &bulletin))
3390                                 break;
3391                         BNX2X_ERR("bad crc on bulletin board. contained %x computed %x\n",
3392                                   bulletin.crc,
3393                                   bnx2x_crc_vf_bulletin(bp, &bulletin));
3394                 }
3395                 if (attempts >= BULLETIN_ATTEMPTS) {
3396                         BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n",
3397                                   attempts);
3398                         return PFVF_BULLETIN_CRC_ERR;
3399                 }
3400         }
3401
3402         /* the mac address in bulletin board is valid and is new */
3403         if (bulletin.valid_bitmap & 1 << MAC_ADDR_VALID &&
3404             memcmp(bulletin.mac, bp->old_bulletin.mac, ETH_ALEN)) {
3405                 /* update new mac to net device */
3406                 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
3407         }
3408
3409         /* the vlan in bulletin board is valid and is new */
3410         if (bulletin.valid_bitmap & 1 << VLAN_VALID)
3411                 memcpy(&bulletin.vlan, &bp->old_bulletin.vlan, VLAN_HLEN);
3412
3413         /* copy new bulletin board to bp */
3414         bp->old_bulletin = bulletin;
3415
3416         return PFVF_BULLETIN_UPDATED;
3417 }
3418
3419 void bnx2x_vf_map_doorbells(struct bnx2x *bp)
3420 {
3421         /* vf doorbells are embedded within the regview */
3422         bp->doorbells = bp->regview + PXP_VF_ADDR_DB_START;
3423 }
3424
3425 int bnx2x_vf_pci_alloc(struct bnx2x *bp)
3426 {
3427         /* allocate vf2pf mailbox for vf to pf channel */
3428         BNX2X_PCI_ALLOC(bp->vf2pf_mbox, &bp->vf2pf_mbox_mapping,
3429                         sizeof(struct bnx2x_vf_mbx_msg));
3430
3431         /* allocate pf 2 vf bulletin board */
3432         BNX2X_PCI_ALLOC(bp->pf2vf_bulletin, &bp->pf2vf_bulletin_mapping,
3433                         sizeof(union pf_vf_bulletin));
3434
3435         return 0;
3436
3437 alloc_mem_err:
3438         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3439                        sizeof(struct bnx2x_vf_mbx_msg));
3440         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3441                        sizeof(union pf_vf_bulletin));
3442         return -ENOMEM;
3443 }
3444
3445 int bnx2x_open_epilog(struct bnx2x *bp)
3446 {
3447         /* Enable sriov via delayed work. This must be done via delayed work
3448          * because it causes the probe of the vf devices to be run, which invoke
3449          * register_netdevice which must have rtnl lock taken. As we are holding
3450          * the lock right now, that could only work if the probe would not take
3451          * the lock. However, as the probe of the vf may be called from other
3452          * contexts as well (such as passthrough to vm failes) it can't assume
3453          * the lock is being held for it. Using delayed work here allows the
3454          * probe code to simply take the lock (i.e. wait for it to be released
3455          * if it is being held). We only want to do this if the number of VFs
3456          * was set before PF driver was loaded.
3457          */
3458         if (IS_SRIOV(bp) && BNX2X_NR_VIRTFN(bp)) {
3459                 smp_mb__before_clear_bit();
3460                 set_bit(BNX2X_SP_RTNL_ENABLE_SRIOV, &bp->sp_rtnl_state);
3461                 smp_mb__after_clear_bit();
3462                 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3463         }
3464
3465         return 0;
3466 }