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 bnx2x_vfop_config_list(struct bnx2x *bp,
 526                                   struct bnx2x_vfop_filters *filters,
 527                                   struct bnx2x_vlan_mac_ramrod_params *vlan_mac)
 528 {
 529         struct bnx2x_vfop_filter *pos, *tmp;
 530         struct list_head rollback_list, *filters_list = &filters->head;
 531         struct bnx2x_vlan_mac_data *user_req = &vlan_mac->user_req;
 532         int rc = 0, cnt = 0;
 533
 534         INIT_LIST_HEAD(&rollback_list);
 535
 536         list_for_each_entry_safe(pos, tmp, filters_list, link) {
 537                 if (bnx2x_vfop_set_user_req(bp, pos, user_req))
 538                         continue;
 539
 540                 rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 541                 if (rc >= 0) {
 542                         cnt += pos->add ? 1 : -1;
 543                         list_move(&pos->link, &rollback_list);
 544                         rc = 0;
 545                 } else if (rc == -EEXIST) {
 546                         rc = 0;
 547                 } else {
 548                         BNX2X_ERR("Failed to add a new vlan_mac command\n");
 549                         break;
 550                 }
 551         }
 552
 553         /* rollback if error or too many rules added */
 554         if (rc || cnt > filters->add_cnt) {
 555                 BNX2X_ERR("error or too many rules added. Performing rollback\n");
 556                 list_for_each_entry_safe(pos, tmp, &rollback_list, link) {
 557                         pos->add = !pos->add;   /* reverse op */
 558                         bnx2x_vfop_set_user_req(bp, pos, user_req);
 559                         bnx2x_config_vlan_mac(bp, vlan_mac);
 560                         list_del(&pos->link);
 561                 }
 562                 cnt = 0;
 563                 if (!rc)
 564                         rc = -EINVAL;
 565         }
 566         filters->add_cnt = cnt;
 567         return rc;
 568 }
 569
 570 /* VFOP set VLAN/MAC */
 571 static void bnx2x_vfop_vlan_mac(struct bnx2x *bp, struct bnx2x_virtf *vf)
 572 {
 573         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 574         struct bnx2x_vlan_mac_ramrod_params *vlan_mac = &vfop->op_p->vlan_mac;
 575         struct bnx2x_vlan_mac_obj *obj = vlan_mac->vlan_mac_obj;
 576         struct bnx2x_vfop_filters *filters = vfop->args.filters.multi_filter;
 577
 578         enum bnx2x_vfop_vlan_mac_state state = vfop->state;
 579
 580         if (vfop->rc < 0)
 581                 goto op_err;
 582
 583         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 584
 585         bnx2x_vfop_reset_wq(vf);
 586
 587         switch (state) {
 588         case BNX2X_VFOP_VLAN_MAC_CLEAR:
 589                 /* next state */
 590                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 591
 592                 /* do delete */
 593                 vfop->rc = obj->delete_all(bp, obj,
 594                                            &vlan_mac->user_req.vlan_mac_flags,
 595                                            &vlan_mac->ramrod_flags);
 596
 597                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 598
 599         case BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE:
 600                 /* next state */
 601                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 602
 603                 /* do config */
 604                 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 605                 if (vfop->rc == -EEXIST)
 606                         vfop->rc = 0;
 607
 608                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 609
 610         case BNX2X_VFOP_VLAN_MAC_CHK_DONE:
 611                 vfop->rc = !!obj->raw.check_pending(&obj->raw);
 612                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 613
 614         case BNX2X_VFOP_MAC_CONFIG_LIST:
 615                 /* next state */
 616                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 617
 618                 /* do list config */
 619                 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
 620                 if (vfop->rc)
 621                         goto op_err;
 622
 623                 set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
 624                 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 625                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 626
 627         case BNX2X_VFOP_VLAN_CONFIG_LIST:
 628                 /* next state */
 629                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 630
 631                 /* do list config */
 632                 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
 633                 if (!vfop->rc) {
 634                         set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
 635                         vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 636                 }
 637                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 638
 639         default:
 640                 bnx2x_vfop_default(state);
 641         }
 642 op_err:
 643         BNX2X_ERR("VLAN-MAC error: rc %d\n", vfop->rc);
 644 op_done:
 645         kfree(filters);
 646         bnx2x_vfop_credit(bp, vfop, obj);
 647         bnx2x_vfop_end(bp, vf, vfop);
 648 op_pending:
 649         return;
 650 }
 651
 652 struct bnx2x_vfop_vlan_mac_flags {
 653         bool drv_only;
 654         bool dont_consume;
 655         bool single_cmd;
 656         bool add;
 657 };
 658
 659 static void
 660 bnx2x_vfop_vlan_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
 661                                 struct bnx2x_vfop_vlan_mac_flags *flags)
 662 {
 663         struct bnx2x_vlan_mac_data *ureq = &ramrod->user_req;
 664
 665         memset(ramrod, 0, sizeof(*ramrod));
 666
 667         /* ramrod flags */
 668         if (flags->drv_only)
 669                 set_bit(RAMROD_DRV_CLR_ONLY, &ramrod->ramrod_flags);
 670         if (flags->single_cmd)
 671                 set_bit(RAMROD_EXEC, &ramrod->ramrod_flags);
 672
 673         /* mac_vlan flags */
 674         if (flags->dont_consume)
 675                 set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, &ureq->vlan_mac_flags);
 676
 677         /* cmd */
 678         ureq->cmd = flags->add ? BNX2X_VLAN_MAC_ADD : BNX2X_VLAN_MAC_DEL;
 679 }
 680
 681 static inline void
 682 bnx2x_vfop_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
 683                            struct bnx2x_vfop_vlan_mac_flags *flags)
 684 {
 685         bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, flags);
 686         set_bit(BNX2X_ETH_MAC, &ramrod->user_req.vlan_mac_flags);
 687 }
 688
 689 static int bnx2x_vfop_mac_delall_cmd(struct bnx2x *bp,
 690                                      struct bnx2x_virtf *vf,
 691                                      struct bnx2x_vfop_cmd *cmd,
 692                                      int qid, bool drv_only)
 693 {
 694         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 695
 696         if (vfop) {
 697                 struct bnx2x_vfop_args_filters filters = {
 698                         .multi_filter = NULL,   /* single */
 699                         .credit = NULL,         /* consume credit */
 700                 };
 701                 struct bnx2x_vfop_vlan_mac_flags flags = {
 702                         .drv_only = drv_only,
 703                         .dont_consume = (filters.credit != NULL),
 704                         .single_cmd = true,
 705                         .add = false /* don't care */,
 706                 };
 707                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 708                         &vf->op_params.vlan_mac;
 709
 710                 /* set ramrod params */
 711                 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
 712
 713                 /* set object */
 714                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
 715
 716                 /* set extra args */
 717                 vfop->args.filters = filters;
 718
 719                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
 720                                  bnx2x_vfop_vlan_mac, cmd->done);
 721                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 722                                              cmd->block);
 723         }
 724         return -ENOMEM;
 725 }
 726
 727 int bnx2x_vfop_mac_list_cmd(struct bnx2x *bp,
 728                             struct bnx2x_virtf *vf,
 729                             struct bnx2x_vfop_cmd *cmd,
 730                             struct bnx2x_vfop_filters *macs,
 731                             int qid, bool drv_only)
 732 {
 733         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 734
 735         if (vfop) {
 736                 struct bnx2x_vfop_args_filters filters = {
 737                         .multi_filter = macs,
 738                         .credit = NULL,         /* consume credit */
 739                 };
 740                 struct bnx2x_vfop_vlan_mac_flags flags = {
 741                         .drv_only = drv_only,
 742                         .dont_consume = (filters.credit != NULL),
 743                         .single_cmd = false,
 744                         .add = false, /* don't care since only the items in the
 745                                        * filters list affect the sp operation,
 746                                        * not the list itself
 747                                        */
 748                 };
 749                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 750                         &vf->op_params.vlan_mac;
 751
 752                 /* set ramrod params */
 753                 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
 754
 755                 /* set object */
 756                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
 757
 758                 /* set extra args */
 759                 filters.multi_filter->add_cnt = BNX2X_VFOP_FILTER_ADD_CNT_MAX;
 760                 vfop->args.filters = filters;
 761
 762                 bnx2x_vfop_opset(BNX2X_VFOP_MAC_CONFIG_LIST,
 763                                  bnx2x_vfop_vlan_mac, cmd->done);
 764                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 765                                              cmd->block);
 766         }
 767         return -ENOMEM;
 768 }
 769
 770 int bnx2x_vfop_vlan_set_cmd(struct bnx2x *bp,
 771                             struct bnx2x_virtf *vf,
 772                             struct bnx2x_vfop_cmd *cmd,
 773                             int qid, u16 vid, bool add)
 774 {
 775         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 776
 777         if (vfop) {
 778                 struct bnx2x_vfop_args_filters filters = {
 779                         .multi_filter = NULL, /* single command */
 780                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 781                 };
 782                 struct bnx2x_vfop_vlan_mac_flags flags = {
 783                         .drv_only = false,
 784                         .dont_consume = (filters.credit != NULL),
 785                         .single_cmd = true,
 786                         .add = add,
 787                 };
 788                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 789                         &vf->op_params.vlan_mac;
 790
 791                 /* set ramrod params */
 792                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 793                 ramrod->user_req.u.vlan.vlan = vid;
 794
 795                 /* set object */
 796                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 797
 798                 /* set extra args */
 799                 vfop->args.filters = filters;
 800
 801                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE,
 802                                  bnx2x_vfop_vlan_mac, cmd->done);
 803                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 804                                              cmd->block);
 805         }
 806         return -ENOMEM;
 807 }
 808
 809 static int bnx2x_vfop_vlan_delall_cmd(struct bnx2x *bp,
 810                                struct bnx2x_virtf *vf,
 811                                struct bnx2x_vfop_cmd *cmd,
 812                                int qid, bool drv_only)
 813 {
 814         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 815
 816         if (vfop) {
 817                 struct bnx2x_vfop_args_filters filters = {
 818                         .multi_filter = NULL, /* single command */
 819                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 820                 };
 821                 struct bnx2x_vfop_vlan_mac_flags flags = {
 822                         .drv_only = drv_only,
 823                         .dont_consume = (filters.credit != NULL),
 824                         .single_cmd = true,
 825                         .add = false, /* don't care */
 826                 };
 827                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 828                         &vf->op_params.vlan_mac;
 829
 830                 /* set ramrod params */
 831                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 832
 833                 /* set object */
 834                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 835
 836                 /* set extra args */
 837                 vfop->args.filters = filters;
 838
 839                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
 840                                  bnx2x_vfop_vlan_mac, cmd->done);
 841                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 842                                              cmd->block);
 843         }
 844         return -ENOMEM;
 845 }
 846
 847 int bnx2x_vfop_vlan_list_cmd(struct bnx2x *bp,
 848                              struct bnx2x_virtf *vf,
 849                              struct bnx2x_vfop_cmd *cmd,
 850                              struct bnx2x_vfop_filters *vlans,
 851                              int qid, bool drv_only)
 852 {
 853         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 854
 855         if (vfop) {
 856                 struct bnx2x_vfop_args_filters filters = {
 857                         .multi_filter = vlans,
 858                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 859                 };
 860                 struct bnx2x_vfop_vlan_mac_flags flags = {
 861                         .drv_only = drv_only,
 862                         .dont_consume = (filters.credit != NULL),
 863                         .single_cmd = false,
 864                         .add = false, /* don't care */
 865                 };
 866                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 867                         &vf->op_params.vlan_mac;
 868
 869                 /* set ramrod params */
 870                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 871
 872                 /* set object */
 873                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 874
 875                 /* set extra args */
 876                 filters.multi_filter->add_cnt = vf_vlan_rules_cnt(vf) -
 877                         atomic_read(filters.credit);
 878
 879                 vfop->args.filters = filters;
 880
 881                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_CONFIG_LIST,
 882                                  bnx2x_vfop_vlan_mac, cmd->done);
 883                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 884                                              cmd->block);
 885         }
 886         return -ENOMEM;
 887 }
 888
 889 /* VFOP queue setup (queue constructor + set vlan 0) */
 890 static void bnx2x_vfop_qsetup(struct bnx2x *bp, struct bnx2x_virtf *vf)
 891 {
 892         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 893         int qid = vfop->args.qctor.qid;
 894         enum bnx2x_vfop_qsetup_state state = vfop->state;
 895         struct bnx2x_vfop_cmd cmd = {
 896                 .done = bnx2x_vfop_qsetup,
 897                 .block = false,
 898         };
 899
 900         if (vfop->rc < 0)
 901                 goto op_err;
 902
 903         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 904
 905         switch (state) {
 906         case BNX2X_VFOP_QSETUP_CTOR:
 907                 /* init the queue ctor command */
 908                 vfop->state = BNX2X_VFOP_QSETUP_VLAN0;
 909                 vfop->rc = bnx2x_vfop_qctor_cmd(bp, vf, &cmd, qid);
 910                 if (vfop->rc)
 911                         goto op_err;
 912                 return;
 913
 914         case BNX2X_VFOP_QSETUP_VLAN0:
 915                 /* skip if non-leading or FPGA/EMU*/
 916                 if (qid)
 917                         goto op_done;
 918
 919                 /* init the queue set-vlan command (for vlan 0) */
 920                 vfop->state = BNX2X_VFOP_QSETUP_DONE;
 921                 vfop->rc = bnx2x_vfop_vlan_set_cmd(bp, vf, &cmd, qid, 0, true);
 922                 if (vfop->rc)
 923                         goto op_err;
 924                 return;
 925 op_err:
 926         BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf->abs_vfid, qid, vfop->rc);
 927 op_done:
 928         case BNX2X_VFOP_QSETUP_DONE:
 929                 vf->cfg_flags |= VF_CFG_VLAN;
 930                 smp_mb__before_clear_bit();
 931                 set_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN,
 932                         &bp->sp_rtnl_state);
 933                 smp_mb__after_clear_bit();
 934                 schedule_delayed_work(&bp->sp_rtnl_task, 0);
 935                 bnx2x_vfop_end(bp, vf, vfop);
 936                 return;
 937         default:
 938                 bnx2x_vfop_default(state);
 939         }
 940 }
 941
 942 int bnx2x_vfop_qsetup_cmd(struct bnx2x *bp,
 943                           struct bnx2x_virtf *vf,
 944                           struct bnx2x_vfop_cmd *cmd,
 945                           int qid)
 946 {
 947         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 948
 949         if (vfop) {
 950                 vfop->args.qctor.qid = qid;
 951
 952                 bnx2x_vfop_opset(BNX2X_VFOP_QSETUP_CTOR,
 953                                  bnx2x_vfop_qsetup, cmd->done);
 954                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qsetup,
 955                                              cmd->block);
 956         }
 957         return -ENOMEM;
 958 }
 959
 960 /* VFOP queue FLR handling (clear vlans, clear macs, queue destructor) */
 961 static void bnx2x_vfop_qflr(struct bnx2x *bp, struct bnx2x_virtf *vf)
 962 {
 963         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 964         int qid = vfop->args.qx.qid;
 965         enum bnx2x_vfop_qflr_state state = vfop->state;
 966         struct bnx2x_queue_state_params *qstate;
 967         struct bnx2x_vfop_cmd cmd;
 968
 969         bnx2x_vfop_reset_wq(vf);
 970
 971         if (vfop->rc < 0)
 972                 goto op_err;
 973
 974         DP(BNX2X_MSG_IOV, "VF[%d] STATE: %d\n", vf->abs_vfid, state);
 975
 976         cmd.done = bnx2x_vfop_qflr;
 977         cmd.block = false;
 978
 979         switch (state) {
 980         case BNX2X_VFOP_QFLR_CLR_VLAN:
 981                 /* vlan-clear-all: driver-only, don't consume credit */
 982                 vfop->state = BNX2X_VFOP_QFLR_CLR_MAC;
 983                 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, true);
 984                 if (vfop->rc)
 985                         goto op_err;
 986                 return;
 987
 988         case BNX2X_VFOP_QFLR_CLR_MAC:
 989                 /* mac-clear-all: driver only consume credit */
 990                 vfop->state = BNX2X_VFOP_QFLR_TERMINATE;
 991                 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, true);
 992                 DP(BNX2X_MSG_IOV,
 993                    "VF[%d] vfop->rc after bnx2x_vfop_mac_delall_cmd was %d",
 994                    vf->abs_vfid, vfop->rc);
 995                 if (vfop->rc)
 996                         goto op_err;
 997                 return;
 998
 999         case BNX2X_VFOP_QFLR_TERMINATE:
1000                 qstate = &vfop->op_p->qctor.qstate;
1001                 memset(qstate , 0, sizeof(*qstate));
1002                 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
1003                 vfop->state = BNX2X_VFOP_QFLR_DONE;
1004
1005                 DP(BNX2X_MSG_IOV, "VF[%d] qstate during flr was %d\n",
1006                    vf->abs_vfid, qstate->q_obj->state);
1007
1008                 if (qstate->q_obj->state != BNX2X_Q_STATE_RESET) {
1009                         qstate->q_obj->state = BNX2X_Q_STATE_STOPPED;
1010                         qstate->cmd = BNX2X_Q_CMD_TERMINATE;
1011                         vfop->rc = bnx2x_queue_state_change(bp, qstate);
1012                         bnx2x_vfop_finalize(vf, vfop->rc, VFOP_VERIFY_PEND);
1013                 } else {
1014                         goto op_done;
1015                 }
1016
1017 op_err:
1018         BNX2X_ERR("QFLR[%d:%d] error: rc %d\n",
1019                   vf->abs_vfid, qid, vfop->rc);
1020 op_done:
1021         case BNX2X_VFOP_QFLR_DONE:
1022                 bnx2x_vfop_end(bp, vf, vfop);
1023                 return;
1024         default:
1025                 bnx2x_vfop_default(state);
1026         }
1027 op_pending:
1028         return;
1029 }
1030
1031 static int bnx2x_vfop_qflr_cmd(struct bnx2x *bp,
1032                                struct bnx2x_virtf *vf,
1033                                struct bnx2x_vfop_cmd *cmd,
1034                                int qid)
1035 {
1036         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1037
1038         if (vfop) {
1039                 vfop->args.qx.qid = qid;
1040                 bnx2x_vfop_opset(BNX2X_VFOP_QFLR_CLR_VLAN,
1041                                  bnx2x_vfop_qflr, cmd->done);
1042                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qflr,
1043                                              cmd->block);
1044         }
1045         return -ENOMEM;
1046 }
1047
1048 /* VFOP multi-casts */
1049 static void bnx2x_vfop_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf)
1050 {
1051         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1052         struct bnx2x_mcast_ramrod_params *mcast = &vfop->op_p->mcast;
1053         struct bnx2x_raw_obj *raw = &mcast->mcast_obj->raw;
1054         struct bnx2x_vfop_args_mcast *args = &vfop->args.mc_list;
1055         enum bnx2x_vfop_mcast_state state = vfop->state;
1056         int i;
1057
1058         bnx2x_vfop_reset_wq(vf);
1059
1060         if (vfop->rc < 0)
1061                 goto op_err;
1062
1063         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1064
1065         switch (state) {
1066         case BNX2X_VFOP_MCAST_DEL:
1067                 /* clear existing mcasts */
1068                 vfop->state = BNX2X_VFOP_MCAST_ADD;
1069                 vfop->rc = bnx2x_config_mcast(bp, mcast, BNX2X_MCAST_CMD_DEL);
1070                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1071
1072         case BNX2X_VFOP_MCAST_ADD:
1073                 if (raw->check_pending(raw))
1074                         goto op_pending;
1075
1076                 if (args->mc_num) {
1077                         /* update mcast list on the ramrod params */
1078                         INIT_LIST_HEAD(&mcast->mcast_list);
1079                         for (i = 0; i < args->mc_num; i++)
1080                                 list_add_tail(&(args->mc[i].link),
1081                                               &mcast->mcast_list);
1082                         /* add new mcasts */
1083                         vfop->state = BNX2X_VFOP_MCAST_CHK_DONE;
1084                         vfop->rc = bnx2x_config_mcast(bp, mcast,
1085                                                       BNX2X_MCAST_CMD_ADD);
1086                 }
1087                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1088
1089         case BNX2X_VFOP_MCAST_CHK_DONE:
1090                 vfop->rc = raw->check_pending(raw) ? 1 : 0;
1091                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1092         default:
1093                 bnx2x_vfop_default(state);
1094         }
1095 op_err:
1096         BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop->rc);
1097 op_done:
1098         kfree(args->mc);
1099         bnx2x_vfop_end(bp, vf, vfop);
1100 op_pending:
1101         return;
1102 }
1103
1104 int bnx2x_vfop_mcast_cmd(struct bnx2x *bp,
1105                          struct bnx2x_virtf *vf,
1106                          struct bnx2x_vfop_cmd *cmd,
1107                          bnx2x_mac_addr_t *mcasts,
1108                          int mcast_num, bool drv_only)
1109 {
1110         struct bnx2x_vfop *vfop = NULL;
1111         size_t mc_sz = mcast_num * sizeof(struct bnx2x_mcast_list_elem);
1112         struct bnx2x_mcast_list_elem *mc = mc_sz ? kzalloc(mc_sz, GFP_KERNEL) :
1113                                            NULL;
1114
1115         if (!mc_sz || mc) {
1116                 vfop = bnx2x_vfop_add(bp, vf);
1117                 if (vfop) {
1118                         int i;
1119                         struct bnx2x_mcast_ramrod_params *ramrod =
1120                                 &vf->op_params.mcast;
1121
1122                         /* set ramrod params */
1123                         memset(ramrod, 0, sizeof(*ramrod));
1124                         ramrod->mcast_obj = &vf->mcast_obj;
1125                         if (drv_only)
1126                                 set_bit(RAMROD_DRV_CLR_ONLY,
1127                                         &ramrod->ramrod_flags);
1128
1129                         /* copy mcasts pointers */
1130                         vfop->args.mc_list.mc_num = mcast_num;
1131                         vfop->args.mc_list.mc = mc;
1132                         for (i = 0; i < mcast_num; i++)
1133                                 mc[i].mac = mcasts[i];
1134
1135                         bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL,
1136                                          bnx2x_vfop_mcast, cmd->done);
1137                         return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mcast,
1138                                                      cmd->block);
1139                 } else {
1140                         kfree(mc);
1141                 }
1142         }
1143         return -ENOMEM;
1144 }
1145
1146 /* VFOP rx-mode */
1147 static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf)
1148 {
1149         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1150         struct bnx2x_rx_mode_ramrod_params *ramrod = &vfop->op_p->rx_mode;
1151         enum bnx2x_vfop_rxmode_state state = vfop->state;
1152
1153         bnx2x_vfop_reset_wq(vf);
1154
1155         if (vfop->rc < 0)
1156                 goto op_err;
1157
1158         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1159
1160         switch (state) {
1161         case BNX2X_VFOP_RXMODE_CONFIG:
1162                 /* next state */
1163                 vfop->state = BNX2X_VFOP_RXMODE_DONE;
1164
1165                 vfop->rc = bnx2x_config_rx_mode(bp, ramrod);
1166                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1167 op_err:
1168                 BNX2X_ERR("RXMODE error: rc %d\n", vfop->rc);
1169 op_done:
1170         case BNX2X_VFOP_RXMODE_DONE:
1171                 bnx2x_vfop_end(bp, vf, vfop);
1172                 return;
1173         default:
1174                 bnx2x_vfop_default(state);
1175         }
1176 op_pending:
1177         return;
1178 }
1179
1180 int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp,
1181                           struct bnx2x_virtf *vf,
1182                           struct bnx2x_vfop_cmd *cmd,
1183                           int qid, unsigned long accept_flags)
1184 {
1185         struct bnx2x_vf_queue *vfq = vfq_get(vf, qid);
1186         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1187
1188         if (vfop) {
1189                 struct bnx2x_rx_mode_ramrod_params *ramrod =
1190                         &vf->op_params.rx_mode;
1191
1192                 memset(ramrod, 0, sizeof(*ramrod));
1193
1194                 /* Prepare ramrod parameters */
1195                 ramrod->cid = vfq->cid;
1196                 ramrod->cl_id = vfq_cl_id(vf, vfq);
1197                 ramrod->rx_mode_obj = &bp->rx_mode_obj;
1198                 ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid);
1199
1200                 ramrod->rx_accept_flags = accept_flags;
1201                 ramrod->tx_accept_flags = accept_flags;
1202                 ramrod->pstate = &vf->filter_state;
1203                 ramrod->state = BNX2X_FILTER_RX_MODE_PENDING;
1204
1205                 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
1206                 set_bit(RAMROD_RX, &ramrod->ramrod_flags);
1207                 set_bit(RAMROD_TX, &ramrod->ramrod_flags);
1208
1209                 ramrod->rdata =
1210                         bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2);
1211                 ramrod->rdata_mapping =
1212                         bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2);
1213
1214                 bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG,
1215                                  bnx2x_vfop_rxmode, cmd->done);
1216                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rxmode,
1217                                              cmd->block);
1218         }
1219         return -ENOMEM;
1220 }
1221
1222 /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs,
1223  * queue destructor)
1224  */
1225 static void bnx2x_vfop_qdown(struct bnx2x *bp, struct bnx2x_virtf *vf)
1226 {
1227         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1228         int qid = vfop->args.qx.qid;
1229         enum bnx2x_vfop_qteardown_state state = vfop->state;
1230         struct bnx2x_vfop_cmd cmd;
1231
1232         if (vfop->rc < 0)
1233                 goto op_err;
1234
1235         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1236
1237         cmd.done = bnx2x_vfop_qdown;
1238         cmd.block = false;
1239
1240         switch (state) {
1241         case BNX2X_VFOP_QTEARDOWN_RXMODE:
1242                 /* Drop all */
1243                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_VLAN;
1244                 vfop->rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, qid, 0);
1245                 if (vfop->rc)
1246                         goto op_err;
1247                 return;
1248
1249         case BNX2X_VFOP_QTEARDOWN_CLR_VLAN:
1250                 /* vlan-clear-all: don't consume credit */
1251                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MAC;
1252                 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, false);
1253                 if (vfop->rc)
1254                         goto op_err;
1255                 return;
1256
1257         case BNX2X_VFOP_QTEARDOWN_CLR_MAC:
1258                 /* mac-clear-all: consume credit */
1259                 vfop->state = BNX2X_VFOP_QTEARDOWN_QDTOR;
1260                 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, false);
1261                 if (vfop->rc)
1262                         goto op_err;
1263                 return;
1264
1265         case BNX2X_VFOP_QTEARDOWN_QDTOR:
1266                 /* run the queue destruction flow */
1267                 DP(BNX2X_MSG_IOV, "case: BNX2X_VFOP_QTEARDOWN_QDTOR\n");
1268                 vfop->state = BNX2X_VFOP_QTEARDOWN_DONE;
1269                 DP(BNX2X_MSG_IOV, "new state: BNX2X_VFOP_QTEARDOWN_DONE\n");
1270                 vfop->rc = bnx2x_vfop_qdtor_cmd(bp, vf, &cmd, qid);
1271                 DP(BNX2X_MSG_IOV, "returned from cmd\n");
1272                 if (vfop->rc)
1273                         goto op_err;
1274                 return;
1275 op_err:
1276         BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n",
1277                   vf->abs_vfid, qid, vfop->rc);
1278
1279         case BNX2X_VFOP_QTEARDOWN_DONE:
1280                 bnx2x_vfop_end(bp, vf, vfop);
1281                 return;
1282         default:
1283                 bnx2x_vfop_default(state);
1284         }
1285 }
1286
1287 int bnx2x_vfop_qdown_cmd(struct bnx2x *bp,
1288                          struct bnx2x_virtf *vf,
1289                          struct bnx2x_vfop_cmd *cmd,
1290                          int qid)
1291 {
1292         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1293
1294         if (vfop) {
1295                 vfop->args.qx.qid = qid;
1296                 bnx2x_vfop_opset(BNX2X_VFOP_QTEARDOWN_RXMODE,
1297                                  bnx2x_vfop_qdown, cmd->done);
1298                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdown,
1299                                              cmd->block);
1300         }
1301
1302         return -ENOMEM;
1303 }
1304
1305 /* VF enable primitives
1306  * when pretend is required the caller is responsible
1307  * for calling pretend prior to calling these routines
1308  */
1309
1310 /* internal vf enable - until vf is enabled internally all transactions
1311  * are blocked. This routine should always be called last with pretend.
1312  */
1313 static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable)
1314 {
1315         REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0);
1316 }
1317
1318 /* clears vf error in all semi blocks */
1319 static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid)
1320 {
1321         REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid);
1322         REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid);
1323         REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid);
1324         REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid);
1325 }
1326
1327 static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid)
1328 {
1329         u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5;
1330         u32 was_err_reg = 0;
1331
1332         switch (was_err_group) {
1333         case 0:
1334             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR;
1335             break;
1336         case 1:
1337             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR;
1338             break;
1339         case 2:
1340             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR;
1341             break;
1342         case 3:
1343             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR;
1344             break;
1345         }
1346         REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f));
1347 }
1348
1349 static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf)
1350 {
1351         int i;
1352         u32 val;
1353
1354         /* Set VF masks and configuration - pretend */
1355         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1356
1357         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
1358         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
1359         REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
1360         REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
1361         REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
1362         REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
1363
1364         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
1365         val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN);
1366         if (vf->cfg_flags & VF_CFG_INT_SIMD)
1367                 val |= IGU_VF_CONF_SINGLE_ISR_EN;
1368         val &= ~IGU_VF_CONF_PARENT_MASK;
1369         val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */
1370         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
1371
1372         DP(BNX2X_MSG_IOV,
1373            "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n",
1374            vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION));
1375
1376         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1377
1378         /* iterate over all queues, clear sb consumer */
1379         for (i = 0; i < vf_sb_count(vf); i++) {
1380                 u8 igu_sb_id = vf_igu_sb(vf, i);
1381
1382                 /* zero prod memory */
1383                 REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0);
1384
1385                 /* clear sb state machine */
1386                 bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id,
1387                                        false /* VF */);
1388
1389                 /* disable + update */
1390                 bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0,
1391                                     IGU_INT_DISABLE, 1);
1392         }
1393 }
1394
1395 void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid)
1396 {
1397         /* set the VF-PF association in the FW */
1398         storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp));
1399         storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1);
1400
1401         /* clear vf errors*/
1402         bnx2x_vf_semi_clear_err(bp, abs_vfid);
1403         bnx2x_vf_pglue_clear_err(bp, abs_vfid);
1404
1405         /* internal vf-enable - pretend */
1406         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid));
1407         DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid);
1408         bnx2x_vf_enable_internal(bp, true);
1409         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1410 }
1411
1412 static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf)
1413 {
1414         /* Reset vf in IGU  interrupts are still disabled */
1415         bnx2x_vf_igu_reset(bp, vf);
1416
1417         /* pretend to enable the vf with the PBF */
1418         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1419         REG_WR(bp, PBF_REG_DISABLE_VF, 0);
1420         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1421 }
1422
1423 static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid)
1424 {
1425         struct pci_dev *dev;
1426         struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
1427
1428         if (!vf)
1429                 return false;
1430
1431         dev = pci_get_bus_and_slot(vf->bus, vf->devfn);
1432         if (dev)
1433                 return bnx2x_is_pcie_pending(dev);
1434         return false;
1435 }
1436
1437 int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid)
1438 {
1439         /* Verify no pending pci transactions */
1440         if (bnx2x_vf_is_pcie_pending(bp, abs_vfid))
1441                 BNX2X_ERR("PCIE Transactions still pending\n");
1442
1443         return 0;
1444 }
1445
1446 /* must be called after the number of PF queues and the number of VFs are
1447  * both known
1448  */
1449 static void
1450 bnx2x_iov_static_resc(struct bnx2x *bp, struct vf_pf_resc_request *resc)
1451 {
1452         u16 vlan_count = 0;
1453
1454         /* will be set only during VF-ACQUIRE */
1455         resc->num_rxqs = 0;
1456         resc->num_txqs = 0;
1457
1458         /* no credit calculcis for macs (just yet) */
1459         resc->num_mac_filters = 1;
1460
1461         /* divvy up vlan rules */
1462         vlan_count = bp->vlans_pool.check(&bp->vlans_pool);
1463         vlan_count = 1 << ilog2(vlan_count);
1464         resc->num_vlan_filters = vlan_count / BNX2X_NR_VIRTFN(bp);
1465
1466         /* no real limitation */
1467         resc->num_mc_filters = 0;
1468
1469         /* num_sbs already set */
1470 }
1471
1472 /* FLR routines: */
1473 static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1474 {
1475         /* reset the state variables */
1476         bnx2x_iov_static_resc(bp, &vf->alloc_resc);
1477         vf->state = VF_FREE;
1478 }
1479
1480 static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf)
1481 {
1482         u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1483
1484         /* DQ usage counter */
1485         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1486         bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT,
1487                                         "DQ VF usage counter timed out",
1488                                         poll_cnt);
1489         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1490
1491         /* FW cleanup command - poll for the results */
1492         if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid),
1493                                    poll_cnt))
1494                 BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid);
1495
1496         /* verify TX hw is flushed */
1497         bnx2x_tx_hw_flushed(bp, poll_cnt);
1498 }
1499
1500 static void bnx2x_vfop_flr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1501 {
1502         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1503         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
1504         enum bnx2x_vfop_flr_state state = vfop->state;
1505         struct bnx2x_vfop_cmd cmd = {
1506                 .done = bnx2x_vfop_flr,
1507                 .block = false,
1508         };
1509
1510         if (vfop->rc < 0)
1511                 goto op_err;
1512
1513         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1514
1515         switch (state) {
1516         case BNX2X_VFOP_FLR_QUEUES:
1517                 /* the cleanup operations are valid if and only if the VF
1518                  * was first acquired.
1519                  */
1520                 if (++(qx->qid) < vf_rxq_count(vf)) {
1521                         vfop->rc = bnx2x_vfop_qflr_cmd(bp, vf, &cmd,
1522                                                        qx->qid);
1523                         if (vfop->rc)
1524                                 goto op_err;
1525                         return;
1526                 }
1527                 /* remove multicasts */
1528                 vfop->state = BNX2X_VFOP_FLR_HW;
1529                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL,
1530                                                 0, true);
1531                 if (vfop->rc)
1532                         goto op_err;
1533                 return;
1534         case BNX2X_VFOP_FLR_HW:
1535
1536                 /* dispatch final cleanup and wait for HW queues to flush */
1537                 bnx2x_vf_flr_clnup_hw(bp, vf);
1538
1539                 /* release VF resources */
1540                 bnx2x_vf_free_resc(bp, vf);
1541
1542                 /* re-open the mailbox */
1543                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
1544
1545                 goto op_done;
1546         default:
1547                 bnx2x_vfop_default(state);
1548         }
1549 op_err:
1550         BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf->abs_vfid, vfop->rc);
1551 op_done:
1552         vf->flr_clnup_stage = VF_FLR_ACK;
1553         bnx2x_vfop_end(bp, vf, vfop);
1554         bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1555 }
1556
1557 static int bnx2x_vfop_flr_cmd(struct bnx2x *bp,
1558                               struct bnx2x_virtf *vf,
1559                               vfop_handler_t done)
1560 {
1561         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1562         if (vfop) {
1563                 vfop->args.qx.qid = -1; /* loop */
1564                 bnx2x_vfop_opset(BNX2X_VFOP_FLR_QUEUES,
1565                                  bnx2x_vfop_flr, done);
1566                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_flr, false);
1567         }
1568         return -ENOMEM;
1569 }
1570
1571 static void bnx2x_vf_flr_clnup(struct bnx2x *bp, struct bnx2x_virtf *prev_vf)
1572 {
1573         int i = prev_vf ? prev_vf->index + 1 : 0;
1574         struct bnx2x_virtf *vf;
1575
1576         /* find next VF to cleanup */
1577 next_vf_to_clean:
1578         for (;
1579              i < BNX2X_NR_VIRTFN(bp) &&
1580              (bnx2x_vf(bp, i, state) != VF_RESET ||
1581               bnx2x_vf(bp, i, flr_clnup_stage) != VF_FLR_CLN);
1582              i++)
1583                 ;
1584
1585         DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. Num of vfs: %d\n", i,
1586            BNX2X_NR_VIRTFN(bp));
1587
1588         if (i < BNX2X_NR_VIRTFN(bp)) {
1589                 vf = BP_VF(bp, i);
1590
1591                 /* lock the vf pf channel */
1592                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1593
1594                 /* invoke the VF FLR SM */
1595                 if (bnx2x_vfop_flr_cmd(bp, vf, bnx2x_vf_flr_clnup)) {
1596                         BNX2X_ERR("VF[%d]: FLR cleanup failed -ENOMEM\n",
1597                                   vf->abs_vfid);
1598
1599                         /* mark the VF to be ACKED and continue */
1600                         vf->flr_clnup_stage = VF_FLR_ACK;
1601                         goto next_vf_to_clean;
1602                 }
1603                 return;
1604         }
1605
1606         /* we are done, update vf records */
1607         for_each_vf(bp, i) {
1608                 vf = BP_VF(bp, i);
1609
1610                 if (vf->flr_clnup_stage != VF_FLR_ACK)
1611                         continue;
1612
1613                 vf->flr_clnup_stage = VF_FLR_EPILOG;
1614         }
1615
1616         /* Acknowledge the handled VFs.
1617          * we are acknowledge all the vfs which an flr was requested for, even
1618          * if amongst them there are such that we never opened, since the mcp
1619          * will interrupt us immediately again if we only ack some of the bits,
1620          * resulting in an endless loop. This can happen for example in KVM
1621          * where an 'all ones' flr request is sometimes given by hyper visor
1622          */
1623         DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n",
1624            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1625         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1626                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i],
1627                           bp->vfdb->flrd_vfs[i]);
1628
1629         bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0);
1630
1631         /* clear the acked bits - better yet if the MCP implemented
1632          * write to clear semantics
1633          */
1634         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1635                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0);
1636 }
1637
1638 void bnx2x_vf_handle_flr_event(struct bnx2x *bp)
1639 {
1640         int i;
1641
1642         /* Read FLR'd VFs */
1643         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1644                 bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]);
1645
1646         DP(BNX2X_MSG_MCP,
1647            "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n",
1648            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1649
1650         for_each_vf(bp, i) {
1651                 struct bnx2x_virtf *vf = BP_VF(bp, i);
1652                 u32 reset = 0;
1653
1654                 if (vf->abs_vfid < 32)
1655                         reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid);
1656                 else
1657                         reset = bp->vfdb->flrd_vfs[1] &
1658                                 (1 << (vf->abs_vfid - 32));
1659
1660                 if (reset) {
1661                         /* set as reset and ready for cleanup */
1662                         vf->state = VF_RESET;
1663                         vf->flr_clnup_stage = VF_FLR_CLN;
1664
1665                         DP(BNX2X_MSG_IOV,
1666                            "Initiating Final cleanup for VF %d\n",
1667                            vf->abs_vfid);
1668                 }
1669         }
1670
1671         /* do the FLR cleanup for all marked VFs*/
1672         bnx2x_vf_flr_clnup(bp, NULL);
1673 }
1674
1675 /* IOV global initialization routines  */
1676 void bnx2x_iov_init_dq(struct bnx2x *bp)
1677 {
1678         if (!IS_SRIOV(bp))
1679                 return;
1680
1681         /* Set the DQ such that the CID reflect the abs_vfid */
1682         REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0);
1683         REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS));
1684
1685         /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to
1686          * the PF L2 queues
1687          */
1688         REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID);
1689
1690         /* The VF window size is the log2 of the max number of CIDs per VF */
1691         REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND);
1692
1693         /* The VF doorbell size  0 - *B, 4 - 128B. We set it here to match
1694          * the Pf doorbell size although the 2 are independent.
1695          */
1696         REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST,
1697                BNX2X_DB_SHIFT - BNX2X_DB_MIN_SHIFT);
1698
1699         /* No security checks for now -
1700          * configure single rule (out of 16) mask = 0x1, value = 0x0,
1701          * CID range 0 - 0x1ffff
1702          */
1703         REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1);
1704         REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0);
1705         REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0);
1706         REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff);
1707
1708         /* set the number of VF allowed doorbells to the full DQ range */
1709         REG_WR(bp, DORQ_REG_VF_NORM_MAX_CID_COUNT, 0x20000);
1710
1711         /* set the VF doorbell threshold */
1712         REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4);
1713 }
1714
1715 void bnx2x_iov_init_dmae(struct bnx2x *bp)
1716 {
1717         if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV))
1718                 REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
1719 }
1720
1721 static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
1722 {
1723         struct pci_dev *dev = bp->pdev;
1724         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1725
1726         return dev->bus->number + ((dev->devfn + iov->offset +
1727                                     iov->stride * vfid) >> 8);
1728 }
1729
1730 static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid)
1731 {
1732         struct pci_dev *dev = bp->pdev;
1733         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1734
1735         return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff;
1736 }
1737
1738 static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf)
1739 {
1740         int i, n;
1741         struct pci_dev *dev = bp->pdev;
1742         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1743
1744         for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) {
1745                 u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i);
1746                 u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i);
1747
1748                 size /= iov->total;
1749                 vf->bars[n].bar = start + size * vf->abs_vfid;
1750                 vf->bars[n].size = size;
1751         }
1752 }
1753
1754 static int bnx2x_ari_enabled(struct pci_dev *dev)
1755 {
1756         return dev->bus->self && dev->bus->self->ari_enabled;
1757 }
1758
1759 static void
1760 bnx2x_get_vf_igu_cam_info(struct bnx2x *bp)
1761 {
1762         int sb_id;
1763         u32 val;
1764         u8 fid;
1765
1766         /* IGU in normal mode - read CAM */
1767         for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) {
1768                 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4);
1769                 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
1770                         continue;
1771                 fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID);
1772                 if (!(fid & IGU_FID_ENCODE_IS_PF))
1773                         bnx2x_vf_set_igu_info(bp, sb_id,
1774                                               (fid & IGU_FID_VF_NUM_MASK));
1775
1776                 DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n",
1777                    ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"),
1778                    ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) :
1779                    (fid & IGU_FID_VF_NUM_MASK)), sb_id,
1780                    GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR));
1781         }
1782 }
1783
1784 static void __bnx2x_iov_free_vfdb(struct bnx2x *bp)
1785 {
1786         if (bp->vfdb) {
1787                 kfree(bp->vfdb->vfqs);
1788                 kfree(bp->vfdb->vfs);
1789                 kfree(bp->vfdb);
1790         }
1791         bp->vfdb = NULL;
1792 }
1793
1794 static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1795 {
1796         int pos;
1797         struct pci_dev *dev = bp->pdev;
1798
1799         pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
1800         if (!pos) {
1801                 BNX2X_ERR("failed to find SRIOV capability in device\n");
1802                 return -ENODEV;
1803         }
1804
1805         iov->pos = pos;
1806         DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos);
1807         pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
1808         pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total);
1809         pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial);
1810         pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
1811         pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
1812         pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
1813         pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap);
1814         pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
1815
1816         return 0;
1817 }
1818
1819 static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1820 {
1821         u32 val;
1822
1823         /* read the SRIOV capability structure
1824          * The fields can be read via configuration read or
1825          * directly from the device (starting at offset PCICFG_OFFSET)
1826          */
1827         if (bnx2x_sriov_pci_cfg_info(bp, iov))
1828                 return -ENODEV;
1829
1830         /* get the number of SRIOV bars */
1831         iov->nres = 0;
1832
1833         /* read the first_vfid */
1834         val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF);
1835         iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK)
1836                                * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp));
1837
1838         DP(BNX2X_MSG_IOV,
1839            "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",
1840            BP_FUNC(bp),
1841            iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total,
1842            iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
1843
1844         return 0;
1845 }
1846
1847 static u8 bnx2x_iov_get_max_queue_count(struct bnx2x *bp)
1848 {
1849         int i;
1850         u8 queue_count = 0;
1851
1852         if (IS_SRIOV(bp))
1853                 for_each_vf(bp, i)
1854                         queue_count += bnx2x_vf(bp, i, alloc_resc.num_sbs);
1855
1856         return queue_count;
1857 }
1858
1859 /* must be called after PF bars are mapped */
1860 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
1861                         int num_vfs_param)
1862 {
1863         int err, i, qcount;
1864         struct bnx2x_sriov *iov;
1865         struct pci_dev *dev = bp->pdev;
1866
1867         bp->vfdb = NULL;
1868
1869         /* verify is pf */
1870         if (IS_VF(bp))
1871                 return 0;
1872
1873         /* verify sriov capability is present in configuration space */
1874         if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV))
1875                 return 0;
1876
1877         /* verify chip revision */
1878         if (CHIP_IS_E1x(bp))
1879                 return 0;
1880
1881         /* check if SRIOV support is turned off */
1882         if (!num_vfs_param)
1883                 return 0;
1884
1885         /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */
1886         if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) {
1887                 BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n",
1888                           BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID);
1889                 return 0;
1890         }
1891
1892         /* SRIOV can be enabled only with MSIX */
1893         if (int_mode_param == BNX2X_INT_MODE_MSI ||
1894             int_mode_param == BNX2X_INT_MODE_INTX) {
1895                 BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n");
1896                 return 0;
1897         }
1898
1899         err = -EIO;
1900         /* verify ari is enabled */
1901         if (!bnx2x_ari_enabled(bp->pdev)) {
1902                 BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n");
1903                 return 0;
1904         }
1905
1906         /* verify igu is in normal mode */
1907         if (CHIP_INT_MODE_IS_BC(bp)) {
1908                 BNX2X_ERR("IGU not normal mode,  SRIOV can not be enabled\n");
1909                 return 0;
1910         }
1911
1912         /* allocate the vfs database */
1913         bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL);
1914         if (!bp->vfdb) {
1915                 BNX2X_ERR("failed to allocate vf database\n");
1916                 err = -ENOMEM;
1917                 goto failed;
1918         }
1919
1920         /* get the sriov info - Linux already collected all the pertinent
1921          * information, however the sriov structure is for the private use
1922          * of the pci module. Also we want this information regardless
1923          * of the hyper-visor.
1924          */
1925         iov = &(bp->vfdb->sriov);
1926         err = bnx2x_sriov_info(bp, iov);
1927         if (err)
1928                 goto failed;
1929
1930         /* SR-IOV capability was enabled but there are no VFs*/
1931         if (iov->total == 0)
1932                 goto failed;
1933
1934         iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param);
1935
1936         DP(BNX2X_MSG_IOV, "num_vfs_param was %d, nr_virtfn was %d\n",
1937            num_vfs_param, iov->nr_virtfn);
1938
1939         /* allocate the vf array */
1940         bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) *
1941                                 BNX2X_NR_VIRTFN(bp), GFP_KERNEL);
1942         if (!bp->vfdb->vfs) {
1943                 BNX2X_ERR("failed to allocate vf array\n");
1944                 err = -ENOMEM;
1945                 goto failed;
1946         }
1947
1948         /* Initial VF init - index and abs_vfid - nr_virtfn must be set */
1949         for_each_vf(bp, i) {
1950                 bnx2x_vf(bp, i, index) = i;
1951                 bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i;
1952                 bnx2x_vf(bp, i, state) = VF_FREE;
1953                 INIT_LIST_HEAD(&bnx2x_vf(bp, i, op_list_head));
1954                 mutex_init(&bnx2x_vf(bp, i, op_mutex));
1955                 bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE;
1956         }
1957
1958         /* re-read the IGU CAM for VFs - index and abs_vfid must be set */
1959         bnx2x_get_vf_igu_cam_info(bp);
1960
1961         /* get the total queue count and allocate the global queue arrays */
1962         qcount = bnx2x_iov_get_max_queue_count(bp);
1963
1964         /* allocate the queue arrays for all VFs */
1965         bp->vfdb->vfqs = kzalloc(qcount * sizeof(struct bnx2x_vf_queue),
1966                                  GFP_KERNEL);
1967         if (!bp->vfdb->vfqs) {
1968                 BNX2X_ERR("failed to allocate vf queue array\n");
1969                 err = -ENOMEM;
1970                 goto failed;
1971         }
1972
1973         return 0;
1974 failed:
1975         DP(BNX2X_MSG_IOV, "Failed err=%d\n", err);
1976         __bnx2x_iov_free_vfdb(bp);
1977         return err;
1978 }
1979
1980 void bnx2x_iov_remove_one(struct bnx2x *bp)
1981 {
1982         /* if SRIOV is not enabled there's nothing to do */
1983         if (!IS_SRIOV(bp))
1984                 return;
1985
1986         DP(BNX2X_MSG_IOV, "about to call disable sriov\n");
1987         pci_disable_sriov(bp->pdev);
1988         DP(BNX2X_MSG_IOV, "sriov disabled\n");
1989
1990         /* free vf database */
1991         __bnx2x_iov_free_vfdb(bp);
1992 }
1993
1994 void bnx2x_iov_free_mem(struct bnx2x *bp)
1995 {
1996         int i;
1997
1998         if (!IS_SRIOV(bp))
1999                 return;
2000
2001         /* free vfs hw contexts */
2002         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2003                 struct hw_dma *cxt = &bp->vfdb->context[i];
2004                 BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size);
2005         }
2006
2007         BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr,
2008                        BP_VFDB(bp)->sp_dma.mapping,
2009                        BP_VFDB(bp)->sp_dma.size);
2010
2011         BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr,
2012                        BP_VF_MBX_DMA(bp)->mapping,
2013                        BP_VF_MBX_DMA(bp)->size);
2014
2015         BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr,
2016                        BP_VF_BULLETIN_DMA(bp)->mapping,
2017                        BP_VF_BULLETIN_DMA(bp)->size);
2018 }
2019
2020 int bnx2x_iov_alloc_mem(struct bnx2x *bp)
2021 {
2022         size_t tot_size;
2023         int i, rc = 0;
2024
2025         if (!IS_SRIOV(bp))
2026                 return rc;
2027
2028         /* allocate vfs hw contexts */
2029         tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) *
2030                 BNX2X_CIDS_PER_VF * sizeof(union cdu_context);
2031
2032         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2033                 struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i);
2034                 cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ);
2035
2036                 if (cxt->size) {
2037                         BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size);
2038                 } else {
2039                         cxt->addr = NULL;
2040                         cxt->mapping = 0;
2041                 }
2042                 tot_size -= cxt->size;
2043         }
2044
2045         /* allocate vfs ramrods dma memory - client_init and set_mac */
2046         tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp);
2047         BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping,
2048                         tot_size);
2049         BP_VFDB(bp)->sp_dma.size = tot_size;
2050
2051         /* allocate mailboxes */
2052         tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE;
2053         BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping,
2054                         tot_size);
2055         BP_VF_MBX_DMA(bp)->size = tot_size;
2056
2057         /* allocate local bulletin boards */
2058         tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE;
2059         BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp)->addr,
2060                         &BP_VF_BULLETIN_DMA(bp)->mapping, tot_size);
2061         BP_VF_BULLETIN_DMA(bp)->size = tot_size;
2062
2063         return 0;
2064
2065 alloc_mem_err:
2066         return -ENOMEM;
2067 }
2068
2069 static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
2070                            struct bnx2x_vf_queue *q)
2071 {
2072         u8 cl_id = vfq_cl_id(vf, q);
2073         u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
2074         unsigned long q_type = 0;
2075
2076         set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
2077         set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
2078
2079         /* Queue State object */
2080         bnx2x_init_queue_obj(bp, &q->sp_obj,
2081                              cl_id, &q->cid, 1, func_id,
2082                              bnx2x_vf_sp(bp, vf, q_data),
2083                              bnx2x_vf_sp_map(bp, vf, q_data),
2084                              q_type);
2085
2086         DP(BNX2X_MSG_IOV,
2087            "initialized vf %d's queue object. func id set to %d\n",
2088            vf->abs_vfid, q->sp_obj.func_id);
2089
2090         /* mac/vlan objects are per queue, but only those
2091          * that belong to the leading queue are initialized
2092          */
2093         if (vfq_is_leading(q)) {
2094                 /* mac */
2095                 bnx2x_init_mac_obj(bp, &q->mac_obj,
2096                                    cl_id, q->cid, func_id,
2097                                    bnx2x_vf_sp(bp, vf, mac_rdata),
2098                                    bnx2x_vf_sp_map(bp, vf, mac_rdata),
2099                                    BNX2X_FILTER_MAC_PENDING,
2100                                    &vf->filter_state,
2101                                    BNX2X_OBJ_TYPE_RX_TX,
2102                                    &bp->macs_pool);
2103                 /* vlan */
2104                 bnx2x_init_vlan_obj(bp, &q->vlan_obj,
2105                                     cl_id, q->cid, func_id,
2106                                     bnx2x_vf_sp(bp, vf, vlan_rdata),
2107                                     bnx2x_vf_sp_map(bp, vf, vlan_rdata),
2108                                     BNX2X_FILTER_VLAN_PENDING,
2109                                     &vf->filter_state,
2110                                     BNX2X_OBJ_TYPE_RX_TX,
2111                                     &bp->vlans_pool);
2112
2113                 /* mcast */
2114                 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id,
2115                                      q->cid, func_id, func_id,
2116                                      bnx2x_vf_sp(bp, vf, mcast_rdata),
2117                                      bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2118                                      BNX2X_FILTER_MCAST_PENDING,
2119                                      &vf->filter_state,
2120                                      BNX2X_OBJ_TYPE_RX_TX);
2121
2122                 vf->leading_rss = cl_id;
2123         }
2124 }
2125
2126 /* called by bnx2x_nic_load */
2127 int bnx2x_iov_nic_init(struct bnx2x *bp)
2128 {
2129         int vfid, qcount, i;
2130
2131         if (!IS_SRIOV(bp)) {
2132                 DP(BNX2X_MSG_IOV, "vfdb was not allocated\n");
2133                 return 0;
2134         }
2135
2136         DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn);
2137
2138         /* let FLR complete ... */
2139         msleep(100);
2140
2141         /* initialize vf database */
2142         for_each_vf(bp, vfid) {
2143                 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2144
2145                 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) *
2146                         BNX2X_CIDS_PER_VF;
2147
2148                 union cdu_context *base_cxt = (union cdu_context *)
2149                         BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2150                         (base_vf_cid & (ILT_PAGE_CIDS-1));
2151
2152                 DP(BNX2X_MSG_IOV,
2153                    "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n",
2154                    vf->abs_vfid, vf_sb_count(vf), base_vf_cid,
2155                    BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt);
2156
2157                 /* init statically provisioned resources */
2158                 bnx2x_iov_static_resc(bp, &vf->alloc_resc);
2159
2160                 /* queues are initialized during VF-ACQUIRE */
2161
2162                 /* reserve the vf vlan credit */
2163                 bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf));
2164
2165                 vf->filter_state = 0;
2166                 vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id);
2167
2168                 /*  init mcast object - This object will be re-initialized
2169                  *  during VF-ACQUIRE with the proper cl_id and cid.
2170                  *  It needs to be initialized here so that it can be safely
2171                  *  handled by a subsequent FLR flow.
2172                  */
2173                 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF,
2174                                      0xFF, 0xFF, 0xFF,
2175                                      bnx2x_vf_sp(bp, vf, mcast_rdata),
2176                                      bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2177                                      BNX2X_FILTER_MCAST_PENDING,
2178                                      &vf->filter_state,
2179                                      BNX2X_OBJ_TYPE_RX_TX);
2180
2181                 /* set the mailbox message addresses */
2182                 BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *)
2183                         (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid *
2184                         MBX_MSG_ALIGNED_SIZE);
2185
2186                 BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping +
2187                         vfid * MBX_MSG_ALIGNED_SIZE;
2188
2189                 /* Enable vf mailbox */
2190                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
2191         }
2192
2193         /* Final VF init */
2194         qcount = 0;
2195         for_each_vf(bp, i) {
2196                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2197
2198                 /* fill in the BDF and bars */
2199                 vf->bus = bnx2x_vf_bus(bp, i);
2200                 vf->devfn = bnx2x_vf_devfn(bp, i);
2201                 bnx2x_vf_set_bars(bp, vf);
2202
2203                 DP(BNX2X_MSG_IOV,
2204                    "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n",
2205                    vf->abs_vfid, vf->bus, vf->devfn,
2206                    (unsigned)vf->bars[0].bar, vf->bars[0].size,
2207                    (unsigned)vf->bars[1].bar, vf->bars[1].size,
2208                    (unsigned)vf->bars[2].bar, vf->bars[2].size);
2209
2210                 /* set local queue arrays */
2211                 vf->vfqs = &bp->vfdb->vfqs[qcount];
2212                 qcount += bnx2x_vf(bp, i, alloc_resc.num_sbs);
2213         }
2214
2215         return 0;
2216 }
2217
2218 /* called by bnx2x_chip_cleanup */
2219 int bnx2x_iov_chip_cleanup(struct bnx2x *bp)
2220 {
2221         int i;
2222
2223         if (!IS_SRIOV(bp))
2224                 return 0;
2225
2226         /* release all the VFs */
2227         for_each_vf(bp, i)
2228                 bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */
2229
2230         return 0;
2231 }
2232
2233 /* called by bnx2x_init_hw_func, returns the next ilt line */
2234 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line)
2235 {
2236         int i;
2237         struct bnx2x_ilt *ilt = BP_ILT(bp);
2238
2239         if (!IS_SRIOV(bp))
2240                 return line;
2241
2242         /* set vfs ilt lines */
2243         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2244                 struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i);
2245
2246                 ilt->lines[line+i].page = hw_cxt->addr;
2247                 ilt->lines[line+i].page_mapping = hw_cxt->mapping;
2248                 ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */
2249         }
2250         return line + i;
2251 }
2252
2253 static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid)
2254 {
2255         return ((cid >= BNX2X_FIRST_VF_CID) &&
2256                 ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS));
2257 }
2258
2259 static
2260 void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp,
2261                                         struct bnx2x_vf_queue *vfq,
2262                                         union event_ring_elem *elem)
2263 {
2264         unsigned long ramrod_flags = 0;
2265         int rc = 0;
2266
2267         /* Always push next commands out, don't wait here */
2268         set_bit(RAMROD_CONT, &ramrod_flags);
2269
2270         switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
2271         case BNX2X_FILTER_MAC_PENDING:
2272                 rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem,
2273                                            &ramrod_flags);
2274                 break;
2275         case BNX2X_FILTER_VLAN_PENDING:
2276                 rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem,
2277                                             &ramrod_flags);
2278                 break;
2279         default:
2280                 BNX2X_ERR("Unsupported classification command: %d\n",
2281                           elem->message.data.eth_event.echo);
2282                 return;
2283         }
2284         if (rc < 0)
2285                 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
2286         else if (rc > 0)
2287                 DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n");
2288 }
2289
2290 static
2291 void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp,
2292                                struct bnx2x_virtf *vf)
2293 {
2294         struct bnx2x_mcast_ramrod_params rparam = {NULL};
2295         int rc;
2296
2297         rparam.mcast_obj = &vf->mcast_obj;
2298         vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw);
2299
2300         /* If there are pending mcast commands - send them */
2301         if (vf->mcast_obj.check_pending(&vf->mcast_obj)) {
2302                 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
2303                 if (rc < 0)
2304                         BNX2X_ERR("Failed to send pending mcast commands: %d\n",
2305                                   rc);
2306         }
2307 }
2308
2309 static
2310 void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp,
2311                                  struct bnx2x_virtf *vf)
2312 {
2313         smp_mb__before_clear_bit();
2314         clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
2315         smp_mb__after_clear_bit();
2316 }
2317
2318 int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem)
2319 {
2320         struct bnx2x_virtf *vf;
2321         int qidx = 0, abs_vfid;
2322         u8 opcode;
2323         u16 cid = 0xffff;
2324
2325         if (!IS_SRIOV(bp))
2326                 return 1;
2327
2328         /* first get the cid - the only events we handle here are cfc-delete
2329          * and set-mac completion
2330          */
2331         opcode = elem->message.opcode;
2332
2333         switch (opcode) {
2334         case EVENT_RING_OPCODE_CFC_DEL:
2335                 cid = SW_CID((__force __le32)
2336                              elem->message.data.cfc_del_event.cid);
2337                 DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid);
2338                 break;
2339         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2340         case EVENT_RING_OPCODE_MULTICAST_RULES:
2341         case EVENT_RING_OPCODE_FILTERS_RULES:
2342                 cid = (elem->message.data.eth_event.echo &
2343                        BNX2X_SWCID_MASK);
2344                 DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid);
2345                 break;
2346         case EVENT_RING_OPCODE_VF_FLR:
2347                 abs_vfid = elem->message.data.vf_flr_event.vf_id;
2348                 DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n",
2349                    abs_vfid);
2350                 goto get_vf;
2351         case EVENT_RING_OPCODE_MALICIOUS_VF:
2352                 abs_vfid = elem->message.data.malicious_vf_event.vf_id;
2353                 DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d err_id=0x%x\n",
2354                    abs_vfid, elem->message.data.malicious_vf_event.err_id);
2355                 goto get_vf;
2356         default:
2357                 return 1;
2358         }
2359
2360         /* check if the cid is the VF range */
2361         if (!bnx2x_iov_is_vf_cid(bp, cid)) {
2362                 DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid);
2363                 return 1;
2364         }
2365
2366         /* extract vf and rxq index from vf_cid - relies on the following:
2367          * 1. vfid on cid reflects the true abs_vfid
2368          * 2. The max number of VFs (per path) is 64
2369          */
2370         qidx = cid & ((1 << BNX2X_VF_CID_WND)-1);
2371         abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2372 get_vf:
2373         vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
2374
2375         if (!vf) {
2376                 BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n",
2377                           cid, abs_vfid);
2378                 return 0;
2379         }
2380
2381         switch (opcode) {
2382         case EVENT_RING_OPCODE_CFC_DEL:
2383                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n",
2384                    vf->abs_vfid, qidx);
2385                 vfq_get(vf, qidx)->sp_obj.complete_cmd(bp,
2386                                                        &vfq_get(vf,
2387                                                                 qidx)->sp_obj,
2388                                                        BNX2X_Q_CMD_CFC_DEL);
2389                 break;
2390         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2391                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n",
2392                    vf->abs_vfid, qidx);
2393                 bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem);
2394                 break;
2395         case EVENT_RING_OPCODE_MULTICAST_RULES:
2396                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n",
2397                    vf->abs_vfid, qidx);
2398                 bnx2x_vf_handle_mcast_eqe(bp, vf);
2399                 break;
2400         case EVENT_RING_OPCODE_FILTERS_RULES:
2401                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n",
2402                    vf->abs_vfid, qidx);
2403                 bnx2x_vf_handle_filters_eqe(bp, vf);
2404                 break;
2405         case EVENT_RING_OPCODE_VF_FLR:
2406                 DP(BNX2X_MSG_IOV, "got VF [%d] FLR notification\n",
2407                    vf->abs_vfid);
2408                 /* Do nothing for now */
2409                 break;
2410         case EVENT_RING_OPCODE_MALICIOUS_VF:
2411                 DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d error id %x\n",
2412                    abs_vfid, elem->message.data.malicious_vf_event.err_id);
2413                 /* Do nothing for now */
2414                 break;
2415         }
2416         /* SRIOV: reschedule any 'in_progress' operations */
2417         bnx2x_iov_sp_event(bp, cid, false);
2418
2419         return 0;
2420 }
2421
2422 static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid)
2423 {
2424         /* extract the vf from vf_cid - relies on the following:
2425          * 1. vfid on cid reflects the true abs_vfid
2426          * 2. The max number of VFs (per path) is 64
2427          */
2428         int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2429         return bnx2x_vf_by_abs_fid(bp, abs_vfid);
2430 }
2431
2432 void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
2433                                 struct bnx2x_queue_sp_obj **q_obj)
2434 {
2435         struct bnx2x_virtf *vf;
2436
2437         if (!IS_SRIOV(bp))
2438                 return;
2439
2440         vf = bnx2x_vf_by_cid(bp, vf_cid);
2441
2442         if (vf) {
2443                 /* extract queue index from vf_cid - relies on the following:
2444                  * 1. vfid on cid reflects the true abs_vfid
2445                  * 2. The max number of VFs (per path) is 64
2446                  */
2447                 int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1);
2448                 *q_obj = &bnx2x_vfq(vf, q_index, sp_obj);
2449         } else {
2450                 BNX2X_ERR("No vf matching cid %d\n", vf_cid);
2451         }
2452 }
2453
2454 void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work)
2455 {
2456         struct bnx2x_virtf *vf;
2457
2458         /* check if the cid is the VF range */
2459         if (!IS_SRIOV(bp) || !bnx2x_iov_is_vf_cid(bp, vf_cid))
2460                 return;
2461
2462         vf = bnx2x_vf_by_cid(bp, vf_cid);
2463         if (vf) {
2464                 /* set in_progress flag */
2465                 atomic_set(&vf->op_in_progress, 1);
2466                 if (queue_work)
2467                         queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
2468         }
2469 }
2470
2471 void bnx2x_iov_adjust_stats_req(struct bnx2x *bp)
2472 {
2473         int i;
2474         int first_queue_query_index, num_queues_req;
2475         dma_addr_t cur_data_offset;
2476         struct stats_query_entry *cur_query_entry;
2477         u8 stats_count = 0;
2478         bool is_fcoe = false;
2479
2480         if (!IS_SRIOV(bp))
2481                 return;
2482
2483         if (!NO_FCOE(bp))
2484                 is_fcoe = true;
2485
2486         /* fcoe adds one global request and one queue request */
2487         num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe;
2488         first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX -
2489                 (is_fcoe ? 0 : 1);
2490
2491         DP(BNX2X_MSG_IOV,
2492            "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",
2493            BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index,
2494            first_queue_query_index + num_queues_req);
2495
2496         cur_data_offset = bp->fw_stats_data_mapping +
2497                 offsetof(struct bnx2x_fw_stats_data, queue_stats) +
2498                 num_queues_req * sizeof(struct per_queue_stats);
2499
2500         cur_query_entry = &bp->fw_stats_req->
2501                 query[first_queue_query_index + num_queues_req];
2502
2503         for_each_vf(bp, i) {
2504                 int j;
2505                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2506
2507                 if (vf->state != VF_ENABLED) {
2508                         DP(BNX2X_MSG_IOV,
2509                            "vf %d not enabled so no stats for it\n",
2510                            vf->abs_vfid);
2511                         continue;
2512                 }
2513
2514                 DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid);
2515                 for_each_vfq(vf, j) {
2516                         struct bnx2x_vf_queue *rxq = vfq_get(vf, j);
2517
2518                         /* collect stats fro active queues only */
2519                         if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) ==
2520                             BNX2X_Q_LOGICAL_STATE_STOPPED)
2521                                 continue;
2522
2523                         /* create stats query entry for this queue */
2524                         cur_query_entry->kind = STATS_TYPE_QUEUE;
2525                         cur_query_entry->index = vfq_cl_id(vf, rxq);
2526                         cur_query_entry->funcID =
2527                                 cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid));
2528                         cur_query_entry->address.hi =
2529                                 cpu_to_le32(U64_HI(vf->fw_stat_map));
2530                         cur_query_entry->address.lo =
2531                                 cpu_to_le32(U64_LO(vf->fw_stat_map));
2532                         DP(BNX2X_MSG_IOV,
2533                            "added address %x %x for vf %d queue %d client %d\n",
2534                            cur_query_entry->address.hi,
2535                            cur_query_entry->address.lo, cur_query_entry->funcID,
2536                            j, cur_query_entry->index);
2537                         cur_query_entry++;
2538                         cur_data_offset += sizeof(struct per_queue_stats);
2539                         stats_count++;
2540                 }
2541         }
2542         bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count;
2543 }
2544
2545 void bnx2x_iov_sp_task(struct bnx2x *bp)
2546 {
2547         int i;
2548
2549         if (!IS_SRIOV(bp))
2550                 return;
2551         /* Iterate over all VFs and invoke state transition for VFs with
2552          * 'in-progress' slow-path operations
2553          */
2554         DP(BNX2X_MSG_IOV, "searching for pending vf operations\n");
2555         for_each_vf(bp, i) {
2556                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2557
2558                 if (!list_empty(&vf->op_list_head) &&
2559                     atomic_read(&vf->op_in_progress)) {
2560                         DP(BNX2X_MSG_IOV, "running pending op for vf %d\n", i);
2561                         bnx2x_vfop_cur(bp, vf)->transition(bp, vf);
2562                 }
2563         }
2564 }
2565
2566 static inline
2567 struct bnx2x_virtf *__vf_from_stat_id(struct bnx2x *bp, u8 stat_id)
2568 {
2569         int i;
2570         struct bnx2x_virtf *vf = NULL;
2571
2572         for_each_vf(bp, i) {
2573                 vf = BP_VF(bp, i);
2574                 if (stat_id >= vf->igu_base_id &&
2575                     stat_id < vf->igu_base_id + vf_sb_count(vf))
2576                         break;
2577         }
2578         return vf;
2579 }
2580
2581 /* VF API helpers */
2582 static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid,
2583                                 u8 enable)
2584 {
2585         u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4;
2586         u32 val = enable ? (abs_vfid | (1 << 6)) : 0;
2587
2588         REG_WR(bp, reg, val);
2589 }
2590
2591 static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf)
2592 {
2593         int i;
2594
2595         for_each_vfq(vf, i)
2596                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2597                                     vfq_qzone_id(vf, vfq_get(vf, i)), false);
2598 }
2599
2600 static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf)
2601 {
2602         u32 val;
2603
2604         /* clear the VF configuration - pretend */
2605         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
2606         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
2607         val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN |
2608                  IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK);
2609         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
2610         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2611 }
2612
2613 u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf)
2614 {
2615         return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF),
2616                      BNX2X_VF_MAX_QUEUES);
2617 }
2618
2619 static
2620 int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf,
2621                             struct vf_pf_resc_request *req_resc)
2622 {
2623         u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2624         u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2625
2626         return ((req_resc->num_rxqs <= rxq_cnt) &&
2627                 (req_resc->num_txqs <= txq_cnt) &&
2628                 (req_resc->num_sbs <= vf_sb_count(vf))   &&
2629                 (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) &&
2630                 (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf)));
2631 }
2632
2633 /* CORE VF API */
2634 int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
2635                      struct vf_pf_resc_request *resc)
2636 {
2637         int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) *
2638                 BNX2X_CIDS_PER_VF;
2639
2640         union cdu_context *base_cxt = (union cdu_context *)
2641                 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2642                 (base_vf_cid & (ILT_PAGE_CIDS-1));
2643         int i;
2644
2645         /* if state is 'acquired' the VF was not released or FLR'd, in
2646          * this case the returned resources match the acquired already
2647          * acquired resources. Verify that the requested numbers do
2648          * not exceed the already acquired numbers.
2649          */
2650         if (vf->state == VF_ACQUIRED) {
2651                 DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n",
2652                    vf->abs_vfid);
2653
2654                 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2655                         BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n",
2656                                   vf->abs_vfid);
2657                         return -EINVAL;
2658                 }
2659                 return 0;
2660         }
2661
2662         /* Otherwise vf state must be 'free' or 'reset' */
2663         if (vf->state != VF_FREE && vf->state != VF_RESET) {
2664                 BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n",
2665                           vf->abs_vfid, vf->state);
2666                 return -EINVAL;
2667         }
2668
2669         /* static allocation:
2670          * the global maximum number are fixed per VF. Fail the request if
2671          * requested number exceed these globals
2672          */
2673         if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2674                 DP(BNX2X_MSG_IOV,
2675                    "cannot fulfill vf resource request. Placing maximal available values in response\n");
2676                 /* set the max resource in the vf */
2677                 return -ENOMEM;
2678         }
2679
2680         /* Set resources counters - 0 request means max available */
2681         vf_sb_count(vf) = resc->num_sbs;
2682         vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2683         vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2684         if (resc->num_mac_filters)
2685                 vf_mac_rules_cnt(vf) = resc->num_mac_filters;
2686         if (resc->num_vlan_filters)
2687                 vf_vlan_rules_cnt(vf) = resc->num_vlan_filters;
2688
2689         DP(BNX2X_MSG_IOV,
2690            "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n",
2691            vf_sb_count(vf), vf_rxq_count(vf),
2692            vf_txq_count(vf), vf_mac_rules_cnt(vf),
2693            vf_vlan_rules_cnt(vf));
2694
2695         /* Initialize the queues */
2696         if (!vf->vfqs) {
2697                 DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n");
2698                 return -EINVAL;
2699         }
2700
2701         for_each_vfq(vf, i) {
2702                 struct bnx2x_vf_queue *q = vfq_get(vf, i);
2703
2704                 if (!q) {
2705                         DP(BNX2X_MSG_IOV, "q number %d was not allocated\n", i);
2706                         return -EINVAL;
2707                 }
2708
2709                 q->index = i;
2710                 q->cxt = &((base_cxt + i)->eth);
2711                 q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i;
2712
2713                 DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n",
2714                    vf->abs_vfid, i, q->index, q->cid, q->cxt);
2715
2716                 /* init SP objects */
2717                 bnx2x_vfq_init(bp, vf, q);
2718         }
2719         vf->state = VF_ACQUIRED;
2720         return 0;
2721 }
2722
2723 int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map)
2724 {
2725         struct bnx2x_func_init_params func_init = {0};
2726         u16 flags = 0;
2727         int i;
2728
2729         /* the sb resources are initialized at this point, do the
2730          * FW/HW initializations
2731          */
2732         for_each_vf_sb(vf, i)
2733                 bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true,
2734                               vf_igu_sb(vf, i), vf_igu_sb(vf, i));
2735
2736         /* Sanity checks */
2737         if (vf->state != VF_ACQUIRED) {
2738                 DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n",
2739                    vf->abs_vfid, vf->state);
2740                 return -EINVAL;
2741         }
2742
2743         /* let FLR complete ... */
2744         msleep(100);
2745
2746         /* FLR cleanup epilogue */
2747         if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid))
2748                 return -EBUSY;
2749
2750         /* reset IGU VF statistics: MSIX */
2751         REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0);
2752
2753         /* vf init */
2754         if (vf->cfg_flags & VF_CFG_STATS)
2755                 flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ);
2756
2757         if (vf->cfg_flags & VF_CFG_TPA)
2758                 flags |= FUNC_FLG_TPA;
2759
2760         if (is_vf_multi(vf))
2761                 flags |= FUNC_FLG_RSS;
2762
2763         /* function setup */
2764         func_init.func_flgs = flags;
2765         func_init.pf_id = BP_FUNC(bp);
2766         func_init.func_id = FW_VF_HANDLE(vf->abs_vfid);
2767         func_init.fw_stat_map = vf->fw_stat_map;
2768         func_init.spq_map = vf->spq_map;
2769         func_init.spq_prod = 0;
2770         bnx2x_func_init(bp, &func_init);
2771
2772         /* Enable the vf */
2773         bnx2x_vf_enable_access(bp, vf->abs_vfid);
2774         bnx2x_vf_enable_traffic(bp, vf);
2775
2776         /* queue protection table */
2777         for_each_vfq(vf, i)
2778                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2779                                     vfq_qzone_id(vf, vfq_get(vf, i)), true);
2780
2781         vf->state = VF_ENABLED;
2782
2783         /* update vf bulletin board */
2784         bnx2x_post_vf_bulletin(bp, vf->index);
2785
2786         return 0;
2787 }
2788
2789 /* VFOP close (teardown the queues, delete mcasts and close HW) */
2790 static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf)
2791 {
2792         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2793         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
2794         enum bnx2x_vfop_close_state state = vfop->state;
2795         struct bnx2x_vfop_cmd cmd = {
2796                 .done = bnx2x_vfop_close,
2797                 .block = false,
2798         };
2799
2800         if (vfop->rc < 0)
2801                 goto op_err;
2802
2803         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
2804
2805         switch (state) {
2806         case BNX2X_VFOP_CLOSE_QUEUES:
2807
2808                 if (++(qx->qid) < vf_rxq_count(vf)) {
2809                         vfop->rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qx->qid);
2810                         if (vfop->rc)
2811                                 goto op_err;
2812                         return;
2813                 }
2814
2815                 /* remove multicasts */
2816                 vfop->state = BNX2X_VFOP_CLOSE_HW;
2817                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, 0, false);
2818                 if (vfop->rc)
2819                         goto op_err;
2820                 return;
2821
2822         case BNX2X_VFOP_CLOSE_HW:
2823
2824                 /* disable the interrupts */
2825                 DP(BNX2X_MSG_IOV, "disabling igu\n");
2826                 bnx2x_vf_igu_disable(bp, vf);
2827
2828                 /* disable the VF */
2829                 DP(BNX2X_MSG_IOV, "clearing qtbl\n");
2830                 bnx2x_vf_clr_qtbl(bp, vf);
2831
2832                 goto op_done;
2833         default:
2834                 bnx2x_vfop_default(state);
2835         }
2836 op_err:
2837         BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc);
2838 op_done:
2839         vf->state = VF_ACQUIRED;
2840         DP(BNX2X_MSG_IOV, "set state to acquired\n");
2841         bnx2x_vfop_end(bp, vf, vfop);
2842 }
2843
2844 int bnx2x_vfop_close_cmd(struct bnx2x *bp,
2845                          struct bnx2x_virtf *vf,
2846                          struct bnx2x_vfop_cmd *cmd)
2847 {
2848         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2849         if (vfop) {
2850                 vfop->args.qx.qid = -1; /* loop */
2851                 bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES,
2852                                  bnx2x_vfop_close, cmd->done);
2853                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_close,
2854                                              cmd->block);
2855         }
2856         return -ENOMEM;
2857 }
2858
2859 /* VF release can be called either: 1. The VF was acquired but
2860  * not enabled 2. the vf was enabled or in the process of being
2861  * enabled
2862  */
2863 static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf)
2864 {
2865         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2866         struct bnx2x_vfop_cmd cmd = {
2867                 .done = bnx2x_vfop_release,
2868                 .block = false,
2869         };
2870
2871         DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2872
2873         if (vfop->rc < 0)
2874                 goto op_err;
2875
2876         DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid,
2877            vf->state == VF_FREE ? "Free" :
2878            vf->state == VF_ACQUIRED ? "Acquired" :
2879            vf->state == VF_ENABLED ? "Enabled" :
2880            vf->state == VF_RESET ? "Reset" :
2881            "Unknown");
2882
2883         switch (vf->state) {
2884         case VF_ENABLED:
2885                 vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd);
2886                 if (vfop->rc)
2887                         goto op_err;
2888                 return;
2889
2890         case VF_ACQUIRED:
2891                 DP(BNX2X_MSG_IOV, "about to free resources\n");
2892                 bnx2x_vf_free_resc(bp, vf);
2893                 DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2894                 goto op_done;
2895
2896         case VF_FREE:
2897         case VF_RESET:
2898                 /* do nothing */
2899                 goto op_done;
2900         default:
2901                 bnx2x_vfop_default(vf->state);
2902         }
2903 op_err:
2904         BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc);
2905 op_done:
2906         bnx2x_vfop_end(bp, vf, vfop);
2907 }
2908
2909 int bnx2x_vfop_release_cmd(struct bnx2x *bp,
2910                            struct bnx2x_virtf *vf,
2911                            struct bnx2x_vfop_cmd *cmd)
2912 {
2913         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2914         if (vfop) {
2915                 bnx2x_vfop_opset(-1, /* use vf->state */
2916                                  bnx2x_vfop_release, cmd->done);
2917                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release,
2918                                              cmd->block);
2919         }
2920         return -ENOMEM;
2921 }
2922
2923 /* VF release ~ VF close + VF release-resources
2924  * Release is the ultimate SW shutdown and is called whenever an
2925  * irrecoverable error is encountered.
2926  */
2927 void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block)
2928 {
2929         struct bnx2x_vfop_cmd cmd = {
2930                 .done = NULL,
2931                 .block = block,
2932         };
2933         int rc;
2934         bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
2935
2936         rc = bnx2x_vfop_release_cmd(bp, vf, &cmd);
2937         if (rc)
2938                 WARN(rc,
2939                      "VF[%d] Failed to allocate resources for release op- rc=%d\n",
2940                      vf->abs_vfid, rc);
2941 }
2942
2943 static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp,
2944                               struct bnx2x_virtf *vf, u32 *sbdf)
2945 {
2946         *sbdf = vf->devfn | (vf->bus << 8);
2947 }
2948
2949 static inline void bnx2x_vf_get_bars(struct bnx2x *bp, struct bnx2x_virtf *vf,
2950                        struct bnx2x_vf_bar_info *bar_info)
2951 {
2952         int n;
2953
2954         bar_info->nr_bars = bp->vfdb->sriov.nres;
2955         for (n = 0; n < bar_info->nr_bars; n++)
2956                 bar_info->bars[n] = vf->bars[n];
2957 }
2958
2959 void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
2960                               enum channel_tlvs tlv)
2961 {
2962         /* lock the channel */
2963         mutex_lock(&vf->op_mutex);
2964
2965         /* record the locking op */
2966         vf->op_current = tlv;
2967
2968         /* log the lock */
2969         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n",
2970            vf->abs_vfid, tlv);
2971 }
2972
2973 void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
2974                                 enum channel_tlvs expected_tlv)
2975 {
2976         WARN(expected_tlv != vf->op_current,
2977              "lock mismatch: expected %d found %d", expected_tlv,
2978              vf->op_current);
2979
2980         /* lock the channel */
2981         mutex_unlock(&vf->op_mutex);
2982
2983         /* log the unlock */
2984         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n",
2985            vf->abs_vfid, vf->op_current);
2986
2987         /* record the locking op */
2988         vf->op_current = CHANNEL_TLV_NONE;
2989 }
2990
2991 int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param)
2992 {
2993         struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev));
2994
2995         DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n",
2996            num_vfs_param, BNX2X_NR_VIRTFN(bp));
2997
2998         /* HW channel is only operational when PF is up */
2999         if (bp->state != BNX2X_STATE_OPEN) {
3000                 BNX2X_ERR("VF num configuration via sysfs not supported while PF is down\n");
3001                 return -EINVAL;
3002         }
3003
3004         /* we are always bound by the total_vfs in the configuration space */
3005         if (num_vfs_param > BNX2X_NR_VIRTFN(bp)) {
3006                 BNX2X_ERR("truncating requested number of VFs (%d) down to maximum allowed (%d)\n",
3007                           num_vfs_param, BNX2X_NR_VIRTFN(bp));
3008                 num_vfs_param = BNX2X_NR_VIRTFN(bp);
3009         }
3010
3011         bp->requested_nr_virtfn = num_vfs_param;
3012         if (num_vfs_param == 0) {
3013                 pci_disable_sriov(dev);
3014                 return 0;
3015         } else {
3016                 return bnx2x_enable_sriov(bp);
3017         }
3018 }
3019
3020 int bnx2x_enable_sriov(struct bnx2x *bp)
3021 {
3022         int rc = 0, req_vfs = bp->requested_nr_virtfn;
3023
3024         rc = pci_enable_sriov(bp->pdev, req_vfs);
3025         if (rc) {
3026                 BNX2X_ERR("pci_enable_sriov failed with %d\n", rc);
3027                 return rc;
3028         }
3029         DP(BNX2X_MSG_IOV, "sriov enabled (%d vfs)\n", req_vfs);
3030         return req_vfs;
3031 }
3032
3033 void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp)
3034 {
3035         int vfidx;
3036         struct pf_vf_bulletin_content *bulletin;
3037
3038         DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n");
3039         for_each_vf(bp, vfidx) {
3040         bulletin = BP_VF_BULLETIN(bp, vfidx);
3041                 if (BP_VF(bp, vfidx)->cfg_flags & VF_CFG_VLAN)
3042                         bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0);
3043         }
3044 }
3045
3046 void bnx2x_disable_sriov(struct bnx2x *bp)
3047 {
3048         pci_disable_sriov(bp->pdev);
3049 }
3050
3051 static int bnx2x_vf_ndo_prep(struct bnx2x *bp, int vfidx,
3052                              struct bnx2x_virtf **vf,
3053                              struct pf_vf_bulletin_content **bulletin)
3054 {
3055         if (bp->state != BNX2X_STATE_OPEN) {
3056                 BNX2X_ERR("vf ndo called though PF is down\n");
3057                 return -EINVAL;
3058         }
3059
3060         if (!IS_SRIOV(bp)) {
3061                 BNX2X_ERR("vf ndo called though sriov is disabled\n");
3062                 return -EINVAL;
3063         }
3064
3065         if (vfidx >= BNX2X_NR_VIRTFN(bp)) {
3066                 BNX2X_ERR("vf ndo called for uninitialized VF. vfidx was %d BNX2X_NR_VIRTFN was %d\n",
3067                           vfidx, BNX2X_NR_VIRTFN(bp));
3068                 return -EINVAL;
3069         }
3070
3071         /* init members */
3072         *vf = BP_VF(bp, vfidx);
3073         *bulletin = BP_VF_BULLETIN(bp, vfidx);
3074
3075         if (!*vf) {
3076                 BNX2X_ERR("vf ndo called but vf was null. vfidx was %d\n",
3077                           vfidx);
3078                 return -EINVAL;
3079         }
3080
3081         if (!*bulletin) {
3082                 BNX2X_ERR("vf ndo called but Bulletin Board struct is null. vfidx was %d\n",
3083                           vfidx);
3084                 return -EINVAL;
3085         }
3086
3087         return 0;
3088 }
3089
3090 int bnx2x_get_vf_config(struct net_device *dev, int vfidx,
3091                         struct ifla_vf_info *ivi)
3092 {
3093         struct bnx2x *bp = netdev_priv(dev);
3094         struct bnx2x_virtf *vf = NULL;
3095         struct pf_vf_bulletin_content *bulletin = NULL;
3096         struct bnx2x_vlan_mac_obj *mac_obj;
3097         struct bnx2x_vlan_mac_obj *vlan_obj;
3098         int rc;
3099
3100         /* sanity and init */
3101         rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3102         if (rc)
3103                 return rc;
3104         mac_obj = &bnx2x_vfq(vf, 0, mac_obj);
3105         vlan_obj = &bnx2x_vfq(vf, 0, vlan_obj);
3106         if (!mac_obj || !vlan_obj) {
3107                 BNX2X_ERR("VF partially initialized\n");
3108                 return -EINVAL;
3109         }
3110
3111         ivi->vf = vfidx;
3112         ivi->qos = 0;
3113         ivi->tx_rate = 10000; /* always 10G. TBA take from link struct */
3114         ivi->spoofchk = 1; /*always enabled */
3115         if (vf->state == VF_ENABLED) {
3116                 /* mac and vlan are in vlan_mac objects */
3117                 mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac,
3118                                         0, ETH_ALEN);
3119                 vlan_obj->get_n_elements(bp, vlan_obj, 1, (u8 *)&ivi->vlan,
3120                                          0, VLAN_HLEN);
3121         } else {
3122                 /* mac */
3123                 if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID))
3124                         /* mac configured by ndo so its in bulletin board */
3125                         memcpy(&ivi->mac, bulletin->mac, ETH_ALEN);
3126                 else
3127                         /* function has not been loaded yet. Show mac as 0s */
3128                         memset(&ivi->mac, 0, ETH_ALEN);
3129
3130                 /* vlan */
3131                 if (bulletin->valid_bitmap & (1 << VLAN_VALID))
3132                         /* vlan configured by ndo so its in bulletin board */
3133                         memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN);
3134                 else
3135                         /* function has not been loaded yet. Show vlans as 0s */
3136                         memset(&ivi->vlan, 0, VLAN_HLEN);
3137         }
3138
3139         return 0;
3140 }
3141
3142 /* New mac for VF. Consider these cases:
3143  * 1. VF hasn't been acquired yet - save the mac in local bulletin board and
3144  *    supply at acquire.
3145  * 2. VF has already been acquired but has not yet initialized - store in local
3146  *    bulletin board. mac will be posted on VF bulletin board after VF init. VF
3147  *    will configure this mac when it is ready.
3148  * 3. VF has already initialized but has not yet setup a queue - post the new
3149  *    mac on VF's bulletin board right now. VF will configure this mac when it
3150  *    is ready.
3151  * 4. VF has already set a queue - delete any macs already configured for this
3152  *    queue and manually config the new mac.
3153  * In any event, once this function has been called refuse any attempts by the
3154  * VF to configure any mac for itself except for this mac. In case of a race
3155  * where the VF fails to see the new post on its bulletin board before sending a
3156  * mac configuration request, the PF will simply fail the request and VF can try
3157  * again after consulting its bulletin board.
3158  */
3159 int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac)
3160 {
3161         struct bnx2x *bp = netdev_priv(dev);
3162         int rc, q_logical_state;
3163         struct bnx2x_virtf *vf = NULL;
3164         struct pf_vf_bulletin_content *bulletin = NULL;
3165
3166         /* sanity and init */
3167         rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3168         if (rc)
3169                 return rc;
3170         if (!is_valid_ether_addr(mac)) {
3171                 BNX2X_ERR("mac address invalid\n");
3172                 return -EINVAL;
3173         }
3174
3175         /* update PF's copy of the VF's bulletin. Will no longer accept mac
3176          * configuration requests from vf unless match this mac
3177          */
3178         bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID;
3179         memcpy(bulletin->mac, mac, ETH_ALEN);
3180
3181         /* Post update on VF's bulletin board */
3182         rc = bnx2x_post_vf_bulletin(bp, vfidx);
3183         if (rc) {
3184                 BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx);
3185                 return rc;
3186         }
3187
3188         /* is vf initialized and queue set up? */
3189         q_logical_state =
3190                 bnx2x_get_q_logical_state(bp, &bnx2x_vfq(vf, 0, sp_obj));
3191         if (vf->state == VF_ENABLED &&
3192             q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3193                 /* configure the mac in device on this vf's queue */
3194                 unsigned long ramrod_flags = 0;
3195                 struct bnx2x_vlan_mac_obj *mac_obj = &bnx2x_vfq(vf, 0, mac_obj);
3196
3197                 /* must lock vfpf channel to protect against vf flows */
3198                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3199
3200                 /* remove existing eth macs */
3201                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true);
3202                 if (rc) {
3203                         BNX2X_ERR("failed to delete eth macs\n");
3204                         return -EINVAL;
3205                 }
3206
3207                 /* remove existing uc list macs */
3208                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true);
3209                 if (rc) {
3210                         BNX2X_ERR("failed to delete uc_list macs\n");
3211                         return -EINVAL;
3212                 }
3213
3214                 /* configure the new mac to device */
3215                 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3216                 bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true,
3217                                   BNX2X_ETH_MAC, &ramrod_flags);
3218
3219                 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3220         }
3221
3222         return 0;
3223 }
3224
3225 int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)
3226 {
3227         struct bnx2x *bp = netdev_priv(dev);
3228         int rc, q_logical_state;
3229         struct bnx2x_virtf *vf = NULL;
3230         struct pf_vf_bulletin_content *bulletin = NULL;
3231
3232         /* sanity and init */
3233         rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3234         if (rc)
3235                 return rc;
3236
3237         if (vlan > 4095) {
3238                 BNX2X_ERR("illegal vlan value %d\n", vlan);
3239                 return -EINVAL;
3240         }
3241
3242         DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n",
3243            vfidx, vlan, 0);
3244
3245         /* update PF's copy of the VF's bulletin. No point in posting the vlan
3246          * to the VF since it doesn't have anything to do with it. But it useful
3247          * to store it here in case the VF is not up yet and we can only
3248          * configure the vlan later when it does.
3249          */
3250         bulletin->valid_bitmap |= 1 << VLAN_VALID;
3251         bulletin->vlan = vlan;
3252
3253         /* is vf initialized and queue set up? */
3254         q_logical_state =
3255                 bnx2x_get_q_logical_state(bp, &bnx2x_vfq(vf, 0, sp_obj));
3256         if (vf->state == VF_ENABLED &&
3257             q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3258                 /* configure the vlan in device on this vf's queue */
3259                 unsigned long ramrod_flags = 0;
3260                 unsigned long vlan_mac_flags = 0;
3261                 struct bnx2x_vlan_mac_obj *vlan_obj =
3262                         &bnx2x_vfq(vf, 0, vlan_obj);
3263                 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
3264                 struct bnx2x_queue_state_params q_params = {NULL};
3265                 struct bnx2x_queue_update_params *update_params;
3266
3267                 memset(&ramrod_param, 0, sizeof(ramrod_param));
3268
3269                 /* must lock vfpf channel to protect against vf flows */
3270                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3271
3272                 /* remove existing vlans */
3273                 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3274                 rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags,
3275                                           &ramrod_flags);
3276                 if (rc) {
3277                         BNX2X_ERR("failed to delete vlans\n");
3278                         return -EINVAL;
3279                 }
3280
3281                 /* send queue update ramrod to configure default vlan and silent
3282                  * vlan removal
3283                  */
3284                 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
3285                 q_params.cmd = BNX2X_Q_CMD_UPDATE;
3286                 q_params.q_obj = &bnx2x_vfq(vf, 0, sp_obj);
3287                 update_params = &q_params.params.update;
3288                 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
3289                           &update_params->update_flags);
3290                 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
3291                           &update_params->update_flags);
3292
3293                 if (vlan == 0) {
3294                         /* if vlan is 0 then we want to leave the VF traffic
3295                          * untagged, and leave the incoming traffic untouched
3296                          * (i.e. do not remove any vlan tags).
3297                          */
3298                         __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3299                                     &update_params->update_flags);
3300                         __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3301                                     &update_params->update_flags);
3302                 } else {
3303                         /* configure the new vlan to device */
3304                         __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3305                         ramrod_param.vlan_mac_obj = vlan_obj;
3306                         ramrod_param.ramrod_flags = ramrod_flags;
3307                         ramrod_param.user_req.u.vlan.vlan = vlan;
3308                         ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
3309                         rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
3310                         if (rc) {
3311                                 BNX2X_ERR("failed to configure vlan\n");
3312                                 return -EINVAL;
3313                         }
3314
3315                         /* configure default vlan to vf queue and set silent
3316                          * vlan removal (the vf remains unaware of this vlan).
3317                          */
3318                         update_params = &q_params.params.update;
3319                         __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3320                                   &update_params->update_flags);
3321                         __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3322                                   &update_params->update_flags);
3323                         update_params->def_vlan = vlan;
3324                 }
3325
3326                 /* Update the Queue state */
3327                 rc = bnx2x_queue_state_change(bp, &q_params);
3328                 if (rc) {
3329                         BNX2X_ERR("Failed to configure default VLAN\n");
3330                         return rc;
3331                 }
3332
3333                 /* clear the flag indicating that this VF needs its vlan
3334                  * (will only be set if the HV configured th Vlan before vf was
3335                  * and we were called because the VF came up later
3336                  */
3337                 vf->cfg_flags &= ~VF_CFG_VLAN;
3338
3339                 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3340         }
3341         return 0;
3342 }
3343
3344 /* crc is the first field in the bulletin board. Compute the crc over the
3345  * entire bulletin board excluding the crc field itself. Use the length field
3346  * as the Bulletin Board was posted by a PF with possibly a different version
3347  * from the vf which will sample it. Therefore, the length is computed by the
3348  * PF and the used blindly by the VF.
3349  */
3350 u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp,
3351                           struct pf_vf_bulletin_content *bulletin)
3352 {
3353         return crc32(BULLETIN_CRC_SEED,
3354                  ((u8 *)bulletin) + sizeof(bulletin->crc),
3355                  bulletin->length - sizeof(bulletin->crc));
3356 }
3357
3358 /* Check for new posts on the bulletin board */
3359 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
3360 {
3361         struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
3362         int attempts;
3363
3364         /* bulletin board hasn't changed since last sample */
3365         if (bp->old_bulletin.version == bulletin.version)
3366                 return PFVF_BULLETIN_UNCHANGED;
3367
3368         /* validate crc of new bulletin board */
3369         if (bp->old_bulletin.version != bp->pf2vf_bulletin->content.version) {
3370                 /* sampling structure in mid post may result with corrupted data
3371                  * validate crc to ensure coherency.
3372                  */
3373                 for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) {
3374                         bulletin = bp->pf2vf_bulletin->content;
3375                         if (bulletin.crc == bnx2x_crc_vf_bulletin(bp,
3376                                                                   &bulletin))
3377                                 break;
3378                         BNX2X_ERR("bad crc on bulletin board. Contained %x computed %x\n",
3379                                   bulletin.crc,
3380                                   bnx2x_crc_vf_bulletin(bp, &bulletin));
3381                 }
3382                 if (attempts >= BULLETIN_ATTEMPTS) {
3383                         BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n",
3384                                   attempts);
3385                         return PFVF_BULLETIN_CRC_ERR;
3386                 }
3387         }
3388
3389         /* the mac address in bulletin board is valid and is new */
3390         if (bulletin.valid_bitmap & 1 << MAC_ADDR_VALID &&
3391             memcmp(bulletin.mac, bp->old_bulletin.mac, ETH_ALEN)) {
3392                 /* update new mac to net device */
3393                 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
3394         }
3395
3396         /* the vlan in bulletin board is valid and is new */
3397         if (bulletin.valid_bitmap & 1 << VLAN_VALID)
3398                 memcpy(&bulletin.vlan, &bp->old_bulletin.vlan, VLAN_HLEN);
3399
3400         /* copy new bulletin board to bp */
3401         bp->old_bulletin = bulletin;
3402
3403         return PFVF_BULLETIN_UPDATED;
3404 }
3405
3406 void bnx2x_timer_sriov(struct bnx2x *bp)
3407 {
3408         bnx2x_sample_bulletin(bp);
3409
3410         /* if channel is down we need to self destruct */
3411         if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
3412                 smp_mb__before_clear_bit();
3413                 set_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
3414                         &bp->sp_rtnl_state);
3415                 smp_mb__after_clear_bit();
3416                 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3417         }
3418 }
3419
3420 void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)
3421 {
3422         /* vf doorbells are embedded within the regview */
3423         return bp->regview + PXP_VF_ADDR_DB_START;
3424 }
3425
3426 int bnx2x_vf_pci_alloc(struct bnx2x *bp)
3427 {
3428         mutex_init(&bp->vf2pf_mutex);
3429
3430         /* allocate vf2pf mailbox for vf to pf channel */
3431         BNX2X_PCI_ALLOC(bp->vf2pf_mbox, &bp->vf2pf_mbox_mapping,
3432                         sizeof(struct bnx2x_vf_mbx_msg));
3433
3434         /* allocate pf 2 vf bulletin board */
3435         BNX2X_PCI_ALLOC(bp->pf2vf_bulletin, &bp->pf2vf_bulletin_mapping,
3436                         sizeof(union pf_vf_bulletin));
3437
3438         return 0;
3439
3440 alloc_mem_err:
3441         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3442                        sizeof(struct bnx2x_vf_mbx_msg));
3443         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->pf2vf_bulletin_mapping,
3444                        sizeof(union pf_vf_bulletin));
3445         return -ENOMEM;
3446 }
3447
3448 int bnx2x_open_epilog(struct bnx2x *bp)
3449 {
3450         /* Enable sriov via delayed work. This must be done via delayed work
3451          * because it causes the probe of the vf devices to be run, which invoke
3452          * register_netdevice which must have rtnl lock taken. As we are holding
3453          * the lock right now, that could only work if the probe would not take
3454          * the lock. However, as the probe of the vf may be called from other
3455          * contexts as well (such as passthrough to vm fails) it can't assume
3456          * the lock is being held for it. Using delayed work here allows the
3457          * probe code to simply take the lock (i.e. wait for it to be released
3458          * if it is being held). We only want to do this if the number of VFs
3459          * was set before PF driver was loaded.
3460          */
3461         if (IS_SRIOV(bp) && BNX2X_NR_VIRTFN(bp)) {
3462                 smp_mb__before_clear_bit();
3463                 set_bit(BNX2X_SP_RTNL_ENABLE_SRIOV, &bp->sp_rtnl_state);
3464                 smp_mb__after_clear_bit();
3465                 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3466         }
3467
3468         return 0;
3469 }
3470
3471 void bnx2x_iov_channel_down(struct bnx2x *bp)
3472 {
3473         int vf_idx;
3474         struct pf_vf_bulletin_content *bulletin;
3475
3476         if (!IS_SRIOV(bp))
3477                 return;
3478
3479         for_each_vf(bp, vf_idx) {
3480                 /* locate this VFs bulletin board and update the channel down
3481                  * bit
3482                  */
3483                 bulletin = BP_VF_BULLETIN(bp, vf_idx);
3484                 bulletin->valid_bitmap |= 1 << CHANNEL_DOWN;
3485
3486                 /* update vf bulletin board */
3487                 bnx2x_post_vf_bulletin(bp, vf_idx);
3488         }
3489 }