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                 struct list_head *pos;
 495                 int read_lock;
 496                 int cnt = 0;
 497
 498                 read_lock = bnx2x_vlan_mac_h_read_lock(bp, obj);
 499                 if (read_lock)
 500                         DP(BNX2X_MSG_SP, "Failed to take vlan mac read head; continuing anyway\n");
 501
 502                 list_for_each(pos, &obj->head)
 503                         cnt++;
 504
 505                 if (!read_lock)
 506                         bnx2x_vlan_mac_h_read_unlock(bp, obj);
 507
 508                 atomic_set(args->credit, cnt);
 509         }
 510 }
 511
 512 static int bnx2x_vfop_set_user_req(struct bnx2x *bp,
 513                                     struct bnx2x_vfop_filter *pos,
 514                                     struct bnx2x_vlan_mac_data *user_req)
 515 {
 516         user_req->cmd = pos->add ? BNX2X_VLAN_MAC_ADD :
 517                 BNX2X_VLAN_MAC_DEL;
 518
 519         switch (pos->type) {
 520         case BNX2X_VFOP_FILTER_MAC:
 521                 memcpy(user_req->u.mac.mac, pos->mac, ETH_ALEN);
 522                 break;
 523         case BNX2X_VFOP_FILTER_VLAN:
 524                 user_req->u.vlan.vlan = pos->vid;
 525                 break;
 526         default:
 527                 BNX2X_ERR("Invalid filter type, skipping\n");
 528                 return 1;
 529         }
 530         return 0;
 531 }
 532
 533 static int
 534 bnx2x_vfop_config_vlan0(struct bnx2x *bp,
 535                         struct bnx2x_vlan_mac_ramrod_params *vlan_mac,
 536                         bool add)
 537 {
 538         int rc;
 539
 540         vlan_mac->user_req.cmd = add ? BNX2X_VLAN_MAC_ADD :
 541                 BNX2X_VLAN_MAC_DEL;
 542         vlan_mac->user_req.u.vlan.vlan = 0;
 543
 544         rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 545         if (rc == -EEXIST)
 546                 rc = 0;
 547         return rc;
 548 }
 549
 550 static int bnx2x_vfop_config_list(struct bnx2x *bp,
 551                                   struct bnx2x_vfop_filters *filters,
 552                                   struct bnx2x_vlan_mac_ramrod_params *vlan_mac)
 553 {
 554         struct bnx2x_vfop_filter *pos, *tmp;
 555         struct list_head rollback_list, *filters_list = &filters->head;
 556         struct bnx2x_vlan_mac_data *user_req = &vlan_mac->user_req;
 557         int rc = 0, cnt = 0;
 558
 559         INIT_LIST_HEAD(&rollback_list);
 560
 561         list_for_each_entry_safe(pos, tmp, filters_list, link) {
 562                 if (bnx2x_vfop_set_user_req(bp, pos, user_req))
 563                         continue;
 564
 565                 rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 566                 if (rc >= 0) {
 567                         cnt += pos->add ? 1 : -1;
 568                         list_move(&pos->link, &rollback_list);
 569                         rc = 0;
 570                 } else if (rc == -EEXIST) {
 571                         rc = 0;
 572                 } else {
 573                         BNX2X_ERR("Failed to add a new vlan_mac command\n");
 574                         break;
 575                 }
 576         }
 577
 578         /* rollback if error or too many rules added */
 579         if (rc || cnt > filters->add_cnt) {
 580                 BNX2X_ERR("error or too many rules added. Performing rollback\n");
 581                 list_for_each_entry_safe(pos, tmp, &rollback_list, link) {
 582                         pos->add = !pos->add;   /* reverse op */
 583                         bnx2x_vfop_set_user_req(bp, pos, user_req);
 584                         bnx2x_config_vlan_mac(bp, vlan_mac);
 585                         list_del(&pos->link);
 586                 }
 587                 cnt = 0;
 588                 if (!rc)
 589                         rc = -EINVAL;
 590         }
 591         filters->add_cnt = cnt;
 592         return rc;
 593 }
 594
 595 /* VFOP set VLAN/MAC */
 596 static void bnx2x_vfop_vlan_mac(struct bnx2x *bp, struct bnx2x_virtf *vf)
 597 {
 598         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 599         struct bnx2x_vlan_mac_ramrod_params *vlan_mac = &vfop->op_p->vlan_mac;
 600         struct bnx2x_vlan_mac_obj *obj = vlan_mac->vlan_mac_obj;
 601         struct bnx2x_vfop_filters *filters = vfop->args.filters.multi_filter;
 602
 603         enum bnx2x_vfop_vlan_mac_state state = vfop->state;
 604
 605         if (vfop->rc < 0)
 606                 goto op_err;
 607
 608         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 609
 610         bnx2x_vfop_reset_wq(vf);
 611
 612         switch (state) {
 613         case BNX2X_VFOP_VLAN_MAC_CLEAR:
 614                 /* next state */
 615                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 616
 617                 /* do delete */
 618                 vfop->rc = obj->delete_all(bp, obj,
 619                                            &vlan_mac->user_req.vlan_mac_flags,
 620                                            &vlan_mac->ramrod_flags);
 621
 622                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 623
 624         case BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE:
 625                 /* next state */
 626                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 627
 628                 /* do config */
 629                 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 630                 if (vfop->rc == -EEXIST)
 631                         vfop->rc = 0;
 632
 633                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 634
 635         case BNX2X_VFOP_VLAN_MAC_CHK_DONE:
 636                 vfop->rc = !!obj->raw.check_pending(&obj->raw);
 637                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 638
 639         case BNX2X_VFOP_MAC_CONFIG_LIST:
 640                 /* next state */
 641                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 642
 643                 /* do list config */
 644                 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
 645                 if (vfop->rc)
 646                         goto op_err;
 647
 648                 set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
 649                 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 650                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 651
 652         case BNX2X_VFOP_VLAN_CONFIG_LIST:
 653                 /* next state */
 654                 vfop->state = BNX2X_VFOP_VLAN_CONFIG_LIST_0;
 655
 656                 /* remove vlan0 - could be no-op */
 657                 vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, false);
 658                 if (vfop->rc)
 659                         goto op_err;
 660
 661                 /* Do vlan list config. if this operation fails we try to
 662                  * restore vlan0 to keep the queue is working order
 663                  */
 664                 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
 665                 if (!vfop->rc) {
 666                         set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
 667                         vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
 668                 }
 669                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); /* fall-through */
 670
 671         case BNX2X_VFOP_VLAN_CONFIG_LIST_0:
 672                 /* next state */
 673                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
 674
 675                 if (list_empty(&obj->head))
 676                         /* add vlan0 */
 677                         vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, true);
 678                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
 679
 680         default:
 681                 bnx2x_vfop_default(state);
 682         }
 683 op_err:
 684         BNX2X_ERR("VLAN-MAC error: rc %d\n", vfop->rc);
 685 op_done:
 686         kfree(filters);
 687         bnx2x_vfop_credit(bp, vfop, obj);
 688         bnx2x_vfop_end(bp, vf, vfop);
 689 op_pending:
 690         return;
 691 }
 692
 693 struct bnx2x_vfop_vlan_mac_flags {
 694         bool drv_only;
 695         bool dont_consume;
 696         bool single_cmd;
 697         bool add;
 698 };
 699
 700 static void
 701 bnx2x_vfop_vlan_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
 702                                 struct bnx2x_vfop_vlan_mac_flags *flags)
 703 {
 704         struct bnx2x_vlan_mac_data *ureq = &ramrod->user_req;
 705
 706         memset(ramrod, 0, sizeof(*ramrod));
 707
 708         /* ramrod flags */
 709         if (flags->drv_only)
 710                 set_bit(RAMROD_DRV_CLR_ONLY, &ramrod->ramrod_flags);
 711         if (flags->single_cmd)
 712                 set_bit(RAMROD_EXEC, &ramrod->ramrod_flags);
 713
 714         /* mac_vlan flags */
 715         if (flags->dont_consume)
 716                 set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, &ureq->vlan_mac_flags);
 717
 718         /* cmd */
 719         ureq->cmd = flags->add ? BNX2X_VLAN_MAC_ADD : BNX2X_VLAN_MAC_DEL;
 720 }
 721
 722 static inline void
 723 bnx2x_vfop_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
 724                            struct bnx2x_vfop_vlan_mac_flags *flags)
 725 {
 726         bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, flags);
 727         set_bit(BNX2X_ETH_MAC, &ramrod->user_req.vlan_mac_flags);
 728 }
 729
 730 static int bnx2x_vfop_mac_delall_cmd(struct bnx2x *bp,
 731                                      struct bnx2x_virtf *vf,
 732                                      struct bnx2x_vfop_cmd *cmd,
 733                                      int qid, bool drv_only)
 734 {
 735         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 736
 737         if (vfop) {
 738                 struct bnx2x_vfop_args_filters filters = {
 739                         .multi_filter = NULL,   /* single */
 740                         .credit = NULL,         /* consume credit */
 741                 };
 742                 struct bnx2x_vfop_vlan_mac_flags flags = {
 743                         .drv_only = drv_only,
 744                         .dont_consume = (filters.credit != NULL),
 745                         .single_cmd = true,
 746                         .add = false /* don't care */,
 747                 };
 748                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 749                         &vf->op_params.vlan_mac;
 750
 751                 /* set ramrod params */
 752                 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
 753
 754                 /* set object */
 755                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
 756
 757                 /* set extra args */
 758                 vfop->args.filters = filters;
 759
 760                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
 761                                  bnx2x_vfop_vlan_mac, cmd->done);
 762                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 763                                              cmd->block);
 764         }
 765         return -ENOMEM;
 766 }
 767
 768 int bnx2x_vfop_mac_list_cmd(struct bnx2x *bp,
 769                             struct bnx2x_virtf *vf,
 770                             struct bnx2x_vfop_cmd *cmd,
 771                             struct bnx2x_vfop_filters *macs,
 772                             int qid, bool drv_only)
 773 {
 774         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 775
 776         if (vfop) {
 777                 struct bnx2x_vfop_args_filters filters = {
 778                         .multi_filter = macs,
 779                         .credit = NULL,         /* consume credit */
 780                 };
 781                 struct bnx2x_vfop_vlan_mac_flags flags = {
 782                         .drv_only = drv_only,
 783                         .dont_consume = (filters.credit != NULL),
 784                         .single_cmd = false,
 785                         .add = false, /* don't care since only the items in the
 786                                        * filters list affect the sp operation,
 787                                        * not the list itself
 788                                        */
 789                 };
 790                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 791                         &vf->op_params.vlan_mac;
 792
 793                 /* set ramrod params */
 794                 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
 795
 796                 /* set object */
 797                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
 798
 799                 /* set extra args */
 800                 filters.multi_filter->add_cnt = BNX2X_VFOP_FILTER_ADD_CNT_MAX;
 801                 vfop->args.filters = filters;
 802
 803                 bnx2x_vfop_opset(BNX2X_VFOP_MAC_CONFIG_LIST,
 804                                  bnx2x_vfop_vlan_mac, cmd->done);
 805                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 806                                              cmd->block);
 807         }
 808         return -ENOMEM;
 809 }
 810
 811 int bnx2x_vfop_vlan_set_cmd(struct bnx2x *bp,
 812                             struct bnx2x_virtf *vf,
 813                             struct bnx2x_vfop_cmd *cmd,
 814                             int qid, u16 vid, bool add)
 815 {
 816         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 817
 818         if (vfop) {
 819                 struct bnx2x_vfop_args_filters filters = {
 820                         .multi_filter = NULL, /* single command */
 821                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 822                 };
 823                 struct bnx2x_vfop_vlan_mac_flags flags = {
 824                         .drv_only = false,
 825                         .dont_consume = (filters.credit != NULL),
 826                         .single_cmd = true,
 827                         .add = add,
 828                 };
 829                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 830                         &vf->op_params.vlan_mac;
 831
 832                 /* set ramrod params */
 833                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 834                 ramrod->user_req.u.vlan.vlan = vid;
 835
 836                 /* set object */
 837                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 838
 839                 /* set extra args */
 840                 vfop->args.filters = filters;
 841
 842                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE,
 843                                  bnx2x_vfop_vlan_mac, cmd->done);
 844                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 845                                              cmd->block);
 846         }
 847         return -ENOMEM;
 848 }
 849
 850 static int bnx2x_vfop_vlan_delall_cmd(struct bnx2x *bp,
 851                                struct bnx2x_virtf *vf,
 852                                struct bnx2x_vfop_cmd *cmd,
 853                                int qid, bool drv_only)
 854 {
 855         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 856
 857         if (vfop) {
 858                 struct bnx2x_vfop_args_filters filters = {
 859                         .multi_filter = NULL, /* single command */
 860                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 861                 };
 862                 struct bnx2x_vfop_vlan_mac_flags flags = {
 863                         .drv_only = drv_only,
 864                         .dont_consume = (filters.credit != NULL),
 865                         .single_cmd = true,
 866                         .add = false, /* don't care */
 867                 };
 868                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 869                         &vf->op_params.vlan_mac;
 870
 871                 /* set ramrod params */
 872                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 873
 874                 /* set object */
 875                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 876
 877                 /* set extra args */
 878                 vfop->args.filters = filters;
 879
 880                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
 881                                  bnx2x_vfop_vlan_mac, cmd->done);
 882                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 883                                              cmd->block);
 884         }
 885         return -ENOMEM;
 886 }
 887
 888 int bnx2x_vfop_vlan_list_cmd(struct bnx2x *bp,
 889                              struct bnx2x_virtf *vf,
 890                              struct bnx2x_vfop_cmd *cmd,
 891                              struct bnx2x_vfop_filters *vlans,
 892                              int qid, bool drv_only)
 893 {
 894         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 895
 896         if (vfop) {
 897                 struct bnx2x_vfop_args_filters filters = {
 898                         .multi_filter = vlans,
 899                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
 900                 };
 901                 struct bnx2x_vfop_vlan_mac_flags flags = {
 902                         .drv_only = drv_only,
 903                         .dont_consume = (filters.credit != NULL),
 904                         .single_cmd = false,
 905                         .add = false, /* don't care */
 906                 };
 907                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
 908                         &vf->op_params.vlan_mac;
 909
 910                 /* set ramrod params */
 911                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
 912
 913                 /* set object */
 914                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
 915
 916                 /* set extra args */
 917                 filters.multi_filter->add_cnt = vf_vlan_rules_cnt(vf) -
 918                         atomic_read(filters.credit);
 919
 920                 vfop->args.filters = filters;
 921
 922                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_CONFIG_LIST,
 923                                  bnx2x_vfop_vlan_mac, cmd->done);
 924                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
 925                                              cmd->block);
 926         }
 927         return -ENOMEM;
 928 }
 929
 930 /* VFOP queue setup (queue constructor + set vlan 0) */
 931 static void bnx2x_vfop_qsetup(struct bnx2x *bp, struct bnx2x_virtf *vf)
 932 {
 933         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
 934         int qid = vfop->args.qctor.qid;
 935         enum bnx2x_vfop_qsetup_state state = vfop->state;
 936         struct bnx2x_vfop_cmd cmd = {
 937                 .done = bnx2x_vfop_qsetup,
 938                 .block = false,
 939         };
 940
 941         if (vfop->rc < 0)
 942                 goto op_err;
 943
 944         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
 945
 946         switch (state) {
 947         case BNX2X_VFOP_QSETUP_CTOR:
 948                 /* init the queue ctor command */
 949                 vfop->state = BNX2X_VFOP_QSETUP_VLAN0;
 950                 vfop->rc = bnx2x_vfop_qctor_cmd(bp, vf, &cmd, qid);
 951                 if (vfop->rc)
 952                         goto op_err;
 953                 return;
 954
 955         case BNX2X_VFOP_QSETUP_VLAN0:
 956                 /* skip if non-leading or FPGA/EMU*/
 957                 if (qid)
 958                         goto op_done;
 959
 960                 /* init the queue set-vlan command (for vlan 0) */
 961                 vfop->state = BNX2X_VFOP_QSETUP_DONE;
 962                 vfop->rc = bnx2x_vfop_vlan_set_cmd(bp, vf, &cmd, qid, 0, true);
 963                 if (vfop->rc)
 964                         goto op_err;
 965                 return;
 966 op_err:
 967         BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf->abs_vfid, qid, vfop->rc);
 968 op_done:
 969         case BNX2X_VFOP_QSETUP_DONE:
 970                 vf->cfg_flags |= VF_CFG_VLAN;
 971                 smp_mb__before_clear_bit();
 972                 set_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN,
 973                         &bp->sp_rtnl_state);
 974                 smp_mb__after_clear_bit();
 975                 schedule_delayed_work(&bp->sp_rtnl_task, 0);
 976                 bnx2x_vfop_end(bp, vf, vfop);
 977                 return;
 978         default:
 979                 bnx2x_vfop_default(state);
 980         }
 981 }
 982
 983 int bnx2x_vfop_qsetup_cmd(struct bnx2x *bp,
 984                           struct bnx2x_virtf *vf,
 985                           struct bnx2x_vfop_cmd *cmd,
 986                           int qid)
 987 {
 988         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
 989
 990         if (vfop) {
 991                 vfop->args.qctor.qid = qid;
 992
 993                 bnx2x_vfop_opset(BNX2X_VFOP_QSETUP_CTOR,
 994                                  bnx2x_vfop_qsetup, cmd->done);
 995                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qsetup,
 996                                              cmd->block);
 997         }
 998         return -ENOMEM;
 999 }
1000
1001 /* VFOP queue FLR handling (clear vlans, clear macs, queue destructor) */
1002 static void bnx2x_vfop_qflr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1003 {
1004         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1005         int qid = vfop->args.qx.qid;
1006         enum bnx2x_vfop_qflr_state state = vfop->state;
1007         struct bnx2x_queue_state_params *qstate;
1008         struct bnx2x_vfop_cmd cmd;
1009
1010         bnx2x_vfop_reset_wq(vf);
1011
1012         if (vfop->rc < 0)
1013                 goto op_err;
1014
1015         DP(BNX2X_MSG_IOV, "VF[%d] STATE: %d\n", vf->abs_vfid, state);
1016
1017         cmd.done = bnx2x_vfop_qflr;
1018         cmd.block = false;
1019
1020         switch (state) {
1021         case BNX2X_VFOP_QFLR_CLR_VLAN:
1022                 /* vlan-clear-all: driver-only, don't consume credit */
1023                 vfop->state = BNX2X_VFOP_QFLR_CLR_MAC;
1024                 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, true);
1025                 if (vfop->rc)
1026                         goto op_err;
1027                 return;
1028
1029         case BNX2X_VFOP_QFLR_CLR_MAC:
1030                 /* mac-clear-all: driver only consume credit */
1031                 vfop->state = BNX2X_VFOP_QFLR_TERMINATE;
1032                 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, true);
1033                 DP(BNX2X_MSG_IOV,
1034                    "VF[%d] vfop->rc after bnx2x_vfop_mac_delall_cmd was %d",
1035                    vf->abs_vfid, vfop->rc);
1036                 if (vfop->rc)
1037                         goto op_err;
1038                 return;
1039
1040         case BNX2X_VFOP_QFLR_TERMINATE:
1041                 qstate = &vfop->op_p->qctor.qstate;
1042                 memset(qstate , 0, sizeof(*qstate));
1043                 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
1044                 vfop->state = BNX2X_VFOP_QFLR_DONE;
1045
1046                 DP(BNX2X_MSG_IOV, "VF[%d] qstate during flr was %d\n",
1047                    vf->abs_vfid, qstate->q_obj->state);
1048
1049                 if (qstate->q_obj->state != BNX2X_Q_STATE_RESET) {
1050                         qstate->q_obj->state = BNX2X_Q_STATE_STOPPED;
1051                         qstate->cmd = BNX2X_Q_CMD_TERMINATE;
1052                         vfop->rc = bnx2x_queue_state_change(bp, qstate);
1053                         bnx2x_vfop_finalize(vf, vfop->rc, VFOP_VERIFY_PEND);
1054                 } else {
1055                         goto op_done;
1056                 }
1057
1058 op_err:
1059         BNX2X_ERR("QFLR[%d:%d] error: rc %d\n",
1060                   vf->abs_vfid, qid, vfop->rc);
1061 op_done:
1062         case BNX2X_VFOP_QFLR_DONE:
1063                 bnx2x_vfop_end(bp, vf, vfop);
1064                 return;
1065         default:
1066                 bnx2x_vfop_default(state);
1067         }
1068 op_pending:
1069         return;
1070 }
1071
1072 static int bnx2x_vfop_qflr_cmd(struct bnx2x *bp,
1073                                struct bnx2x_virtf *vf,
1074                                struct bnx2x_vfop_cmd *cmd,
1075                                int qid)
1076 {
1077         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1078
1079         if (vfop) {
1080                 vfop->args.qx.qid = qid;
1081                 bnx2x_vfop_opset(BNX2X_VFOP_QFLR_CLR_VLAN,
1082                                  bnx2x_vfop_qflr, cmd->done);
1083                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qflr,
1084                                              cmd->block);
1085         }
1086         return -ENOMEM;
1087 }
1088
1089 /* VFOP multi-casts */
1090 static void bnx2x_vfop_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf)
1091 {
1092         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1093         struct bnx2x_mcast_ramrod_params *mcast = &vfop->op_p->mcast;
1094         struct bnx2x_raw_obj *raw = &mcast->mcast_obj->raw;
1095         struct bnx2x_vfop_args_mcast *args = &vfop->args.mc_list;
1096         enum bnx2x_vfop_mcast_state state = vfop->state;
1097         int i;
1098
1099         bnx2x_vfop_reset_wq(vf);
1100
1101         if (vfop->rc < 0)
1102                 goto op_err;
1103
1104         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1105
1106         switch (state) {
1107         case BNX2X_VFOP_MCAST_DEL:
1108                 /* clear existing mcasts */
1109                 vfop->state = BNX2X_VFOP_MCAST_ADD;
1110                 vfop->rc = bnx2x_config_mcast(bp, mcast, BNX2X_MCAST_CMD_DEL);
1111                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1112
1113         case BNX2X_VFOP_MCAST_ADD:
1114                 if (raw->check_pending(raw))
1115                         goto op_pending;
1116
1117                 if (args->mc_num) {
1118                         /* update mcast list on the ramrod params */
1119                         INIT_LIST_HEAD(&mcast->mcast_list);
1120                         for (i = 0; i < args->mc_num; i++)
1121                                 list_add_tail(&(args->mc[i].link),
1122                                               &mcast->mcast_list);
1123                         /* add new mcasts */
1124                         vfop->state = BNX2X_VFOP_MCAST_CHK_DONE;
1125                         vfop->rc = bnx2x_config_mcast(bp, mcast,
1126                                                       BNX2X_MCAST_CMD_ADD);
1127                 }
1128                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1129
1130         case BNX2X_VFOP_MCAST_CHK_DONE:
1131                 vfop->rc = raw->check_pending(raw) ? 1 : 0;
1132                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1133         default:
1134                 bnx2x_vfop_default(state);
1135         }
1136 op_err:
1137         BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop->rc);
1138 op_done:
1139         kfree(args->mc);
1140         bnx2x_vfop_end(bp, vf, vfop);
1141 op_pending:
1142         return;
1143 }
1144
1145 int bnx2x_vfop_mcast_cmd(struct bnx2x *bp,
1146                          struct bnx2x_virtf *vf,
1147                          struct bnx2x_vfop_cmd *cmd,
1148                          bnx2x_mac_addr_t *mcasts,
1149                          int mcast_num, bool drv_only)
1150 {
1151         struct bnx2x_vfop *vfop = NULL;
1152         size_t mc_sz = mcast_num * sizeof(struct bnx2x_mcast_list_elem);
1153         struct bnx2x_mcast_list_elem *mc = mc_sz ? kzalloc(mc_sz, GFP_KERNEL) :
1154                                            NULL;
1155
1156         if (!mc_sz || mc) {
1157                 vfop = bnx2x_vfop_add(bp, vf);
1158                 if (vfop) {
1159                         int i;
1160                         struct bnx2x_mcast_ramrod_params *ramrod =
1161                                 &vf->op_params.mcast;
1162
1163                         /* set ramrod params */
1164                         memset(ramrod, 0, sizeof(*ramrod));
1165                         ramrod->mcast_obj = &vf->mcast_obj;
1166                         if (drv_only)
1167                                 set_bit(RAMROD_DRV_CLR_ONLY,
1168                                         &ramrod->ramrod_flags);
1169
1170                         /* copy mcasts pointers */
1171                         vfop->args.mc_list.mc_num = mcast_num;
1172                         vfop->args.mc_list.mc = mc;
1173                         for (i = 0; i < mcast_num; i++)
1174                                 mc[i].mac = mcasts[i];
1175
1176                         bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL,
1177                                          bnx2x_vfop_mcast, cmd->done);
1178                         return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mcast,
1179                                                      cmd->block);
1180                 } else {
1181                         kfree(mc);
1182                 }
1183         }
1184         return -ENOMEM;
1185 }
1186
1187 /* VFOP rx-mode */
1188 static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf)
1189 {
1190         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1191         struct bnx2x_rx_mode_ramrod_params *ramrod = &vfop->op_p->rx_mode;
1192         enum bnx2x_vfop_rxmode_state state = vfop->state;
1193
1194         bnx2x_vfop_reset_wq(vf);
1195
1196         if (vfop->rc < 0)
1197                 goto op_err;
1198
1199         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1200
1201         switch (state) {
1202         case BNX2X_VFOP_RXMODE_CONFIG:
1203                 /* next state */
1204                 vfop->state = BNX2X_VFOP_RXMODE_DONE;
1205
1206                 vfop->rc = bnx2x_config_rx_mode(bp, ramrod);
1207                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1208 op_err:
1209                 BNX2X_ERR("RXMODE error: rc %d\n", vfop->rc);
1210 op_done:
1211         case BNX2X_VFOP_RXMODE_DONE:
1212                 bnx2x_vfop_end(bp, vf, vfop);
1213                 return;
1214         default:
1215                 bnx2x_vfop_default(state);
1216         }
1217 op_pending:
1218         return;
1219 }
1220
1221 int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp,
1222                           struct bnx2x_virtf *vf,
1223                           struct bnx2x_vfop_cmd *cmd,
1224                           int qid, unsigned long accept_flags)
1225 {
1226         struct bnx2x_vf_queue *vfq = vfq_get(vf, qid);
1227         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1228
1229         if (vfop) {
1230                 struct bnx2x_rx_mode_ramrod_params *ramrod =
1231                         &vf->op_params.rx_mode;
1232
1233                 memset(ramrod, 0, sizeof(*ramrod));
1234
1235                 /* Prepare ramrod parameters */
1236                 ramrod->cid = vfq->cid;
1237                 ramrod->cl_id = vfq_cl_id(vf, vfq);
1238                 ramrod->rx_mode_obj = &bp->rx_mode_obj;
1239                 ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid);
1240
1241                 ramrod->rx_accept_flags = accept_flags;
1242                 ramrod->tx_accept_flags = accept_flags;
1243                 ramrod->pstate = &vf->filter_state;
1244                 ramrod->state = BNX2X_FILTER_RX_MODE_PENDING;
1245
1246                 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
1247                 set_bit(RAMROD_RX, &ramrod->ramrod_flags);
1248                 set_bit(RAMROD_TX, &ramrod->ramrod_flags);
1249
1250                 ramrod->rdata =
1251                         bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2);
1252                 ramrod->rdata_mapping =
1253                         bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2);
1254
1255                 bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG,
1256                                  bnx2x_vfop_rxmode, cmd->done);
1257                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rxmode,
1258                                              cmd->block);
1259         }
1260         return -ENOMEM;
1261 }
1262
1263 /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs,
1264  * queue destructor)
1265  */
1266 static void bnx2x_vfop_qdown(struct bnx2x *bp, struct bnx2x_virtf *vf)
1267 {
1268         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1269         int qid = vfop->args.qx.qid;
1270         enum bnx2x_vfop_qteardown_state state = vfop->state;
1271         struct bnx2x_vfop_cmd cmd;
1272
1273         if (vfop->rc < 0)
1274                 goto op_err;
1275
1276         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1277
1278         cmd.done = bnx2x_vfop_qdown;
1279         cmd.block = false;
1280
1281         switch (state) {
1282         case BNX2X_VFOP_QTEARDOWN_RXMODE:
1283                 /* Drop all */
1284                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_VLAN;
1285                 vfop->rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, qid, 0);
1286                 if (vfop->rc)
1287                         goto op_err;
1288                 return;
1289
1290         case BNX2X_VFOP_QTEARDOWN_CLR_VLAN:
1291                 /* vlan-clear-all: don't consume credit */
1292                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MAC;
1293                 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, false);
1294                 if (vfop->rc)
1295                         goto op_err;
1296                 return;
1297
1298         case BNX2X_VFOP_QTEARDOWN_CLR_MAC:
1299                 /* mac-clear-all: consume credit */
1300                 vfop->state = BNX2X_VFOP_QTEARDOWN_QDTOR;
1301                 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, false);
1302                 if (vfop->rc)
1303                         goto op_err;
1304                 return;
1305
1306         case BNX2X_VFOP_QTEARDOWN_QDTOR:
1307                 /* run the queue destruction flow */
1308                 DP(BNX2X_MSG_IOV, "case: BNX2X_VFOP_QTEARDOWN_QDTOR\n");
1309                 vfop->state = BNX2X_VFOP_QTEARDOWN_DONE;
1310                 DP(BNX2X_MSG_IOV, "new state: BNX2X_VFOP_QTEARDOWN_DONE\n");
1311                 vfop->rc = bnx2x_vfop_qdtor_cmd(bp, vf, &cmd, qid);
1312                 DP(BNX2X_MSG_IOV, "returned from cmd\n");
1313                 if (vfop->rc)
1314                         goto op_err;
1315                 return;
1316 op_err:
1317         BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n",
1318                   vf->abs_vfid, qid, vfop->rc);
1319
1320         case BNX2X_VFOP_QTEARDOWN_DONE:
1321                 bnx2x_vfop_end(bp, vf, vfop);
1322                 return;
1323         default:
1324                 bnx2x_vfop_default(state);
1325         }
1326 }
1327
1328 int bnx2x_vfop_qdown_cmd(struct bnx2x *bp,
1329                          struct bnx2x_virtf *vf,
1330                          struct bnx2x_vfop_cmd *cmd,
1331                          int qid)
1332 {
1333         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1334
1335         if (vfop) {
1336                 vfop->args.qx.qid = qid;
1337                 bnx2x_vfop_opset(BNX2X_VFOP_QTEARDOWN_RXMODE,
1338                                  bnx2x_vfop_qdown, cmd->done);
1339                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdown,
1340                                              cmd->block);
1341         }
1342
1343         return -ENOMEM;
1344 }
1345
1346 /* VF enable primitives
1347  * when pretend is required the caller is responsible
1348  * for calling pretend prior to calling these routines
1349  */
1350
1351 /* internal vf enable - until vf is enabled internally all transactions
1352  * are blocked. This routine should always be called last with pretend.
1353  */
1354 static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable)
1355 {
1356         REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0);
1357 }
1358
1359 /* clears vf error in all semi blocks */
1360 static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid)
1361 {
1362         REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid);
1363         REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid);
1364         REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid);
1365         REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid);
1366 }
1367
1368 static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid)
1369 {
1370         u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5;
1371         u32 was_err_reg = 0;
1372
1373         switch (was_err_group) {
1374         case 0:
1375             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR;
1376             break;
1377         case 1:
1378             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR;
1379             break;
1380         case 2:
1381             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR;
1382             break;
1383         case 3:
1384             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR;
1385             break;
1386         }
1387         REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f));
1388 }
1389
1390 static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf)
1391 {
1392         int i;
1393         u32 val;
1394
1395         /* Set VF masks and configuration - pretend */
1396         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1397
1398         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
1399         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
1400         REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
1401         REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
1402         REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
1403         REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
1404
1405         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
1406         val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN);
1407         if (vf->cfg_flags & VF_CFG_INT_SIMD)
1408                 val |= IGU_VF_CONF_SINGLE_ISR_EN;
1409         val &= ~IGU_VF_CONF_PARENT_MASK;
1410         val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */
1411         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
1412
1413         DP(BNX2X_MSG_IOV,
1414            "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n",
1415            vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION));
1416
1417         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1418
1419         /* iterate over all queues, clear sb consumer */
1420         for (i = 0; i < vf_sb_count(vf); i++) {
1421                 u8 igu_sb_id = vf_igu_sb(vf, i);
1422
1423                 /* zero prod memory */
1424                 REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0);
1425
1426                 /* clear sb state machine */
1427                 bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id,
1428                                        false /* VF */);
1429
1430                 /* disable + update */
1431                 bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0,
1432                                     IGU_INT_DISABLE, 1);
1433         }
1434 }
1435
1436 void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid)
1437 {
1438         /* set the VF-PF association in the FW */
1439         storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp));
1440         storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1);
1441
1442         /* clear vf errors*/
1443         bnx2x_vf_semi_clear_err(bp, abs_vfid);
1444         bnx2x_vf_pglue_clear_err(bp, abs_vfid);
1445
1446         /* internal vf-enable - pretend */
1447         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid));
1448         DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid);
1449         bnx2x_vf_enable_internal(bp, true);
1450         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1451 }
1452
1453 static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf)
1454 {
1455         /* Reset vf in IGU  interrupts are still disabled */
1456         bnx2x_vf_igu_reset(bp, vf);
1457
1458         /* pretend to enable the vf with the PBF */
1459         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1460         REG_WR(bp, PBF_REG_DISABLE_VF, 0);
1461         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1462 }
1463
1464 static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid)
1465 {
1466         struct pci_dev *dev;
1467         struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
1468
1469         if (!vf)
1470                 return false;
1471
1472         dev = pci_get_bus_and_slot(vf->bus, vf->devfn);
1473         if (dev)
1474                 return bnx2x_is_pcie_pending(dev);
1475         return false;
1476 }
1477
1478 int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid)
1479 {
1480         /* Verify no pending pci transactions */
1481         if (bnx2x_vf_is_pcie_pending(bp, abs_vfid))
1482                 BNX2X_ERR("PCIE Transactions still pending\n");
1483
1484         return 0;
1485 }
1486
1487 /* must be called after the number of PF queues and the number of VFs are
1488  * both known
1489  */
1490 static void
1491 bnx2x_iov_static_resc(struct bnx2x *bp, struct vf_pf_resc_request *resc)
1492 {
1493         u16 vlan_count = 0;
1494
1495         /* will be set only during VF-ACQUIRE */
1496         resc->num_rxqs = 0;
1497         resc->num_txqs = 0;
1498
1499         /* no credit calculcis for macs (just yet) */
1500         resc->num_mac_filters = 1;
1501
1502         /* divvy up vlan rules */
1503         vlan_count = bp->vlans_pool.check(&bp->vlans_pool);
1504         vlan_count = 1 << ilog2(vlan_count);
1505         resc->num_vlan_filters = vlan_count / BNX2X_NR_VIRTFN(bp);
1506
1507         /* no real limitation */
1508         resc->num_mc_filters = 0;
1509
1510         /* num_sbs already set */
1511 }
1512
1513 /* FLR routines: */
1514 static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1515 {
1516         /* reset the state variables */
1517         bnx2x_iov_static_resc(bp, &vf->alloc_resc);
1518         vf->state = VF_FREE;
1519 }
1520
1521 static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf)
1522 {
1523         u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1524
1525         /* DQ usage counter */
1526         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1527         bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT,
1528                                         "DQ VF usage counter timed out",
1529                                         poll_cnt);
1530         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1531
1532         /* FW cleanup command - poll for the results */
1533         if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid),
1534                                    poll_cnt))
1535                 BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid);
1536
1537         /* verify TX hw is flushed */
1538         bnx2x_tx_hw_flushed(bp, poll_cnt);
1539 }
1540
1541 static void bnx2x_vfop_flr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1542 {
1543         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1544         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
1545         enum bnx2x_vfop_flr_state state = vfop->state;
1546         struct bnx2x_vfop_cmd cmd = {
1547                 .done = bnx2x_vfop_flr,
1548                 .block = false,
1549         };
1550
1551         if (vfop->rc < 0)
1552                 goto op_err;
1553
1554         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1555
1556         switch (state) {
1557         case BNX2X_VFOP_FLR_QUEUES:
1558                 /* the cleanup operations are valid if and only if the VF
1559                  * was first acquired.
1560                  */
1561                 if (++(qx->qid) < vf_rxq_count(vf)) {
1562                         vfop->rc = bnx2x_vfop_qflr_cmd(bp, vf, &cmd,
1563                                                        qx->qid);
1564                         if (vfop->rc)
1565                                 goto op_err;
1566                         return;
1567                 }
1568                 /* remove multicasts */
1569                 vfop->state = BNX2X_VFOP_FLR_HW;
1570                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL,
1571                                                 0, true);
1572                 if (vfop->rc)
1573                         goto op_err;
1574                 return;
1575         case BNX2X_VFOP_FLR_HW:
1576
1577                 /* dispatch final cleanup and wait for HW queues to flush */
1578                 bnx2x_vf_flr_clnup_hw(bp, vf);
1579
1580                 /* release VF resources */
1581                 bnx2x_vf_free_resc(bp, vf);
1582
1583                 /* re-open the mailbox */
1584                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
1585
1586                 goto op_done;
1587         default:
1588                 bnx2x_vfop_default(state);
1589         }
1590 op_err:
1591         BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf->abs_vfid, vfop->rc);
1592 op_done:
1593         vf->flr_clnup_stage = VF_FLR_ACK;
1594         bnx2x_vfop_end(bp, vf, vfop);
1595         bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1596 }
1597
1598 static int bnx2x_vfop_flr_cmd(struct bnx2x *bp,
1599                               struct bnx2x_virtf *vf,
1600                               vfop_handler_t done)
1601 {
1602         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1603         if (vfop) {
1604                 vfop->args.qx.qid = -1; /* loop */
1605                 bnx2x_vfop_opset(BNX2X_VFOP_FLR_QUEUES,
1606                                  bnx2x_vfop_flr, done);
1607                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_flr, false);
1608         }
1609         return -ENOMEM;
1610 }
1611
1612 static void bnx2x_vf_flr_clnup(struct bnx2x *bp, struct bnx2x_virtf *prev_vf)
1613 {
1614         int i = prev_vf ? prev_vf->index + 1 : 0;
1615         struct bnx2x_virtf *vf;
1616
1617         /* find next VF to cleanup */
1618 next_vf_to_clean:
1619         for (;
1620              i < BNX2X_NR_VIRTFN(bp) &&
1621              (bnx2x_vf(bp, i, state) != VF_RESET ||
1622               bnx2x_vf(bp, i, flr_clnup_stage) != VF_FLR_CLN);
1623              i++)
1624                 ;
1625
1626         DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. Num of vfs: %d\n", i,
1627            BNX2X_NR_VIRTFN(bp));
1628
1629         if (i < BNX2X_NR_VIRTFN(bp)) {
1630                 vf = BP_VF(bp, i);
1631
1632                 /* lock the vf pf channel */
1633                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1634
1635                 /* invoke the VF FLR SM */
1636                 if (bnx2x_vfop_flr_cmd(bp, vf, bnx2x_vf_flr_clnup)) {
1637                         BNX2X_ERR("VF[%d]: FLR cleanup failed -ENOMEM\n",
1638                                   vf->abs_vfid);
1639
1640                         /* mark the VF to be ACKED and continue */
1641                         vf->flr_clnup_stage = VF_FLR_ACK;
1642                         goto next_vf_to_clean;
1643                 }
1644                 return;
1645         }
1646
1647         /* we are done, update vf records */
1648         for_each_vf(bp, i) {
1649                 vf = BP_VF(bp, i);
1650
1651                 if (vf->flr_clnup_stage != VF_FLR_ACK)
1652                         continue;
1653
1654                 vf->flr_clnup_stage = VF_FLR_EPILOG;
1655         }
1656
1657         /* Acknowledge the handled VFs.
1658          * we are acknowledge all the vfs which an flr was requested for, even
1659          * if amongst them there are such that we never opened, since the mcp
1660          * will interrupt us immediately again if we only ack some of the bits,
1661          * resulting in an endless loop. This can happen for example in KVM
1662          * where an 'all ones' flr request is sometimes given by hyper visor
1663          */
1664         DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n",
1665            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1666         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1667                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i],
1668                           bp->vfdb->flrd_vfs[i]);
1669
1670         bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0);
1671
1672         /* clear the acked bits - better yet if the MCP implemented
1673          * write to clear semantics
1674          */
1675         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1676                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0);
1677 }
1678
1679 void bnx2x_vf_handle_flr_event(struct bnx2x *bp)
1680 {
1681         int i;
1682
1683         /* Read FLR'd VFs */
1684         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1685                 bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]);
1686
1687         DP(BNX2X_MSG_MCP,
1688            "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n",
1689            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1690
1691         for_each_vf(bp, i) {
1692                 struct bnx2x_virtf *vf = BP_VF(bp, i);
1693                 u32 reset = 0;
1694
1695                 if (vf->abs_vfid < 32)
1696                         reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid);
1697                 else
1698                         reset = bp->vfdb->flrd_vfs[1] &
1699                                 (1 << (vf->abs_vfid - 32));
1700
1701                 if (reset) {
1702                         /* set as reset and ready for cleanup */
1703                         vf->state = VF_RESET;
1704                         vf->flr_clnup_stage = VF_FLR_CLN;
1705
1706                         DP(BNX2X_MSG_IOV,
1707                            "Initiating Final cleanup for VF %d\n",
1708                            vf->abs_vfid);
1709                 }
1710         }
1711
1712         /* do the FLR cleanup for all marked VFs*/
1713         bnx2x_vf_flr_clnup(bp, NULL);
1714 }
1715
1716 /* IOV global initialization routines  */
1717 void bnx2x_iov_init_dq(struct bnx2x *bp)
1718 {
1719         if (!IS_SRIOV(bp))
1720                 return;
1721
1722         /* Set the DQ such that the CID reflect the abs_vfid */
1723         REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0);
1724         REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS));
1725
1726         /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to
1727          * the PF L2 queues
1728          */
1729         REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID);
1730
1731         /* The VF window size is the log2 of the max number of CIDs per VF */
1732         REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND);
1733
1734         /* The VF doorbell size  0 - *B, 4 - 128B. We set it here to match
1735          * the Pf doorbell size although the 2 are independent.
1736          */
1737         REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST,
1738                BNX2X_DB_SHIFT - BNX2X_DB_MIN_SHIFT);
1739
1740         /* No security checks for now -
1741          * configure single rule (out of 16) mask = 0x1, value = 0x0,
1742          * CID range 0 - 0x1ffff
1743          */
1744         REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1);
1745         REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0);
1746         REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0);
1747         REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff);
1748
1749         /* set the number of VF allowed doorbells to the full DQ range */
1750         REG_WR(bp, DORQ_REG_VF_NORM_MAX_CID_COUNT, 0x20000);
1751
1752         /* set the VF doorbell threshold */
1753         REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4);
1754 }
1755
1756 void bnx2x_iov_init_dmae(struct bnx2x *bp)
1757 {
1758         if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV))
1759                 REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
1760 }
1761
1762 static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
1763 {
1764         struct pci_dev *dev = bp->pdev;
1765         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1766
1767         return dev->bus->number + ((dev->devfn + iov->offset +
1768                                     iov->stride * vfid) >> 8);
1769 }
1770
1771 static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid)
1772 {
1773         struct pci_dev *dev = bp->pdev;
1774         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1775
1776         return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff;
1777 }
1778
1779 static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf)
1780 {
1781         int i, n;
1782         struct pci_dev *dev = bp->pdev;
1783         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1784
1785         for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) {
1786                 u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i);
1787                 u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i);
1788
1789                 size /= iov->total;
1790                 vf->bars[n].bar = start + size * vf->abs_vfid;
1791                 vf->bars[n].size = size;
1792         }
1793 }
1794
1795 static int bnx2x_ari_enabled(struct pci_dev *dev)
1796 {
1797         return dev->bus->self && dev->bus->self->ari_enabled;
1798 }
1799
1800 static void
1801 bnx2x_get_vf_igu_cam_info(struct bnx2x *bp)
1802 {
1803         int sb_id;
1804         u32 val;
1805         u8 fid;
1806
1807         /* IGU in normal mode - read CAM */
1808         for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) {
1809                 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4);
1810                 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
1811                         continue;
1812                 fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID);
1813                 if (!(fid & IGU_FID_ENCODE_IS_PF))
1814                         bnx2x_vf_set_igu_info(bp, sb_id,
1815                                               (fid & IGU_FID_VF_NUM_MASK));
1816
1817                 DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n",
1818                    ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"),
1819                    ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) :
1820                    (fid & IGU_FID_VF_NUM_MASK)), sb_id,
1821                    GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR));
1822         }
1823 }
1824
1825 static void __bnx2x_iov_free_vfdb(struct bnx2x *bp)
1826 {
1827         if (bp->vfdb) {
1828                 kfree(bp->vfdb->vfqs);
1829                 kfree(bp->vfdb->vfs);
1830                 kfree(bp->vfdb);
1831         }
1832         bp->vfdb = NULL;
1833 }
1834
1835 static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1836 {
1837         int pos;
1838         struct pci_dev *dev = bp->pdev;
1839
1840         pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
1841         if (!pos) {
1842                 BNX2X_ERR("failed to find SRIOV capability in device\n");
1843                 return -ENODEV;
1844         }
1845
1846         iov->pos = pos;
1847         DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos);
1848         pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
1849         pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total);
1850         pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial);
1851         pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
1852         pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
1853         pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
1854         pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap);
1855         pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
1856
1857         return 0;
1858 }
1859
1860 static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1861 {
1862         u32 val;
1863
1864         /* read the SRIOV capability structure
1865          * The fields can be read via configuration read or
1866          * directly from the device (starting at offset PCICFG_OFFSET)
1867          */
1868         if (bnx2x_sriov_pci_cfg_info(bp, iov))
1869                 return -ENODEV;
1870
1871         /* get the number of SRIOV bars */
1872         iov->nres = 0;
1873
1874         /* read the first_vfid */
1875         val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF);
1876         iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK)
1877                                * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp));
1878
1879         DP(BNX2X_MSG_IOV,
1880            "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",
1881            BP_FUNC(bp),
1882            iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total,
1883            iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
1884
1885         return 0;
1886 }
1887
1888 static u8 bnx2x_iov_get_max_queue_count(struct bnx2x *bp)
1889 {
1890         int i;
1891         u8 queue_count = 0;
1892
1893         if (IS_SRIOV(bp))
1894                 for_each_vf(bp, i)
1895                         queue_count += bnx2x_vf(bp, i, alloc_resc.num_sbs);
1896
1897         return queue_count;
1898 }
1899
1900 /* must be called after PF bars are mapped */
1901 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
1902                         int num_vfs_param)
1903 {
1904         int err, i, qcount;
1905         struct bnx2x_sriov *iov;
1906         struct pci_dev *dev = bp->pdev;
1907
1908         bp->vfdb = NULL;
1909
1910         /* verify is pf */
1911         if (IS_VF(bp))
1912                 return 0;
1913
1914         /* verify sriov capability is present in configuration space */
1915         if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV))
1916                 return 0;
1917
1918         /* verify chip revision */
1919         if (CHIP_IS_E1x(bp))
1920                 return 0;
1921
1922         /* check if SRIOV support is turned off */
1923         if (!num_vfs_param)
1924                 return 0;
1925
1926         /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */
1927         if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) {
1928                 BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n",
1929                           BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID);
1930                 return 0;
1931         }
1932
1933         /* SRIOV can be enabled only with MSIX */
1934         if (int_mode_param == BNX2X_INT_MODE_MSI ||
1935             int_mode_param == BNX2X_INT_MODE_INTX) {
1936                 BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n");
1937                 return 0;
1938         }
1939
1940         err = -EIO;
1941         /* verify ari is enabled */
1942         if (!bnx2x_ari_enabled(bp->pdev)) {
1943                 BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n");
1944                 return 0;
1945         }
1946
1947         /* verify igu is in normal mode */
1948         if (CHIP_INT_MODE_IS_BC(bp)) {
1949                 BNX2X_ERR("IGU not normal mode,  SRIOV can not be enabled\n");
1950                 return 0;
1951         }
1952
1953         /* allocate the vfs database */
1954         bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL);
1955         if (!bp->vfdb) {
1956                 BNX2X_ERR("failed to allocate vf database\n");
1957                 err = -ENOMEM;
1958                 goto failed;
1959         }
1960
1961         /* get the sriov info - Linux already collected all the pertinent
1962          * information, however the sriov structure is for the private use
1963          * of the pci module. Also we want this information regardless
1964          * of the hyper-visor.
1965          */
1966         iov = &(bp->vfdb->sriov);
1967         err = bnx2x_sriov_info(bp, iov);
1968         if (err)
1969                 goto failed;
1970
1971         /* SR-IOV capability was enabled but there are no VFs*/
1972         if (iov->total == 0)
1973                 goto failed;
1974
1975         iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param);
1976
1977         DP(BNX2X_MSG_IOV, "num_vfs_param was %d, nr_virtfn was %d\n",
1978            num_vfs_param, iov->nr_virtfn);
1979
1980         /* allocate the vf array */
1981         bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) *
1982                                 BNX2X_NR_VIRTFN(bp), GFP_KERNEL);
1983         if (!bp->vfdb->vfs) {
1984                 BNX2X_ERR("failed to allocate vf array\n");
1985                 err = -ENOMEM;
1986                 goto failed;
1987         }
1988
1989         /* Initial VF init - index and abs_vfid - nr_virtfn must be set */
1990         for_each_vf(bp, i) {
1991                 bnx2x_vf(bp, i, index) = i;
1992                 bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i;
1993                 bnx2x_vf(bp, i, state) = VF_FREE;
1994                 INIT_LIST_HEAD(&bnx2x_vf(bp, i, op_list_head));
1995                 mutex_init(&bnx2x_vf(bp, i, op_mutex));
1996                 bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE;
1997         }
1998
1999         /* re-read the IGU CAM for VFs - index and abs_vfid must be set */
2000         bnx2x_get_vf_igu_cam_info(bp);
2001
2002         /* get the total queue count and allocate the global queue arrays */
2003         qcount = bnx2x_iov_get_max_queue_count(bp);
2004
2005         /* allocate the queue arrays for all VFs */
2006         bp->vfdb->vfqs = kzalloc(qcount * sizeof(struct bnx2x_vf_queue),
2007                                  GFP_KERNEL);
2008         if (!bp->vfdb->vfqs) {
2009                 BNX2X_ERR("failed to allocate vf queue array\n");
2010                 err = -ENOMEM;
2011                 goto failed;
2012         }
2013
2014         return 0;
2015 failed:
2016         DP(BNX2X_MSG_IOV, "Failed err=%d\n", err);
2017         __bnx2x_iov_free_vfdb(bp);
2018         return err;
2019 }
2020
2021 void bnx2x_iov_remove_one(struct bnx2x *bp)
2022 {
2023         /* if SRIOV is not enabled there's nothing to do */
2024         if (!IS_SRIOV(bp))
2025                 return;
2026
2027         DP(BNX2X_MSG_IOV, "about to call disable sriov\n");
2028         pci_disable_sriov(bp->pdev);
2029         DP(BNX2X_MSG_IOV, "sriov disabled\n");
2030
2031         /* free vf database */
2032         __bnx2x_iov_free_vfdb(bp);
2033 }
2034
2035 void bnx2x_iov_free_mem(struct bnx2x *bp)
2036 {
2037         int i;
2038
2039         if (!IS_SRIOV(bp))
2040                 return;
2041
2042         /* free vfs hw contexts */
2043         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2044                 struct hw_dma *cxt = &bp->vfdb->context[i];
2045                 BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size);
2046         }
2047
2048         BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr,
2049                        BP_VFDB(bp)->sp_dma.mapping,
2050                        BP_VFDB(bp)->sp_dma.size);
2051
2052         BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr,
2053                        BP_VF_MBX_DMA(bp)->mapping,
2054                        BP_VF_MBX_DMA(bp)->size);
2055
2056         BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr,
2057                        BP_VF_BULLETIN_DMA(bp)->mapping,
2058                        BP_VF_BULLETIN_DMA(bp)->size);
2059 }
2060
2061 int bnx2x_iov_alloc_mem(struct bnx2x *bp)
2062 {
2063         size_t tot_size;
2064         int i, rc = 0;
2065
2066         if (!IS_SRIOV(bp))
2067                 return rc;
2068
2069         /* allocate vfs hw contexts */
2070         tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) *
2071                 BNX2X_CIDS_PER_VF * sizeof(union cdu_context);
2072
2073         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2074                 struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i);
2075                 cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ);
2076
2077                 if (cxt->size) {
2078                         BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size);
2079                 } else {
2080                         cxt->addr = NULL;
2081                         cxt->mapping = 0;
2082                 }
2083                 tot_size -= cxt->size;
2084         }
2085
2086         /* allocate vfs ramrods dma memory - client_init and set_mac */
2087         tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp);
2088         BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping,
2089                         tot_size);
2090         BP_VFDB(bp)->sp_dma.size = tot_size;
2091
2092         /* allocate mailboxes */
2093         tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE;
2094         BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping,
2095                         tot_size);
2096         BP_VF_MBX_DMA(bp)->size = tot_size;
2097
2098         /* allocate local bulletin boards */
2099         tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE;
2100         BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp)->addr,
2101                         &BP_VF_BULLETIN_DMA(bp)->mapping, tot_size);
2102         BP_VF_BULLETIN_DMA(bp)->size = tot_size;
2103
2104         return 0;
2105
2106 alloc_mem_err:
2107         return -ENOMEM;
2108 }
2109
2110 static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
2111                            struct bnx2x_vf_queue *q)
2112 {
2113         u8 cl_id = vfq_cl_id(vf, q);
2114         u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
2115         unsigned long q_type = 0;
2116
2117         set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
2118         set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
2119
2120         /* Queue State object */
2121         bnx2x_init_queue_obj(bp, &q->sp_obj,
2122                              cl_id, &q->cid, 1, func_id,
2123                              bnx2x_vf_sp(bp, vf, q_data),
2124                              bnx2x_vf_sp_map(bp, vf, q_data),
2125                              q_type);
2126
2127         DP(BNX2X_MSG_IOV,
2128            "initialized vf %d's queue object. func id set to %d\n",
2129            vf->abs_vfid, q->sp_obj.func_id);
2130
2131         /* mac/vlan objects are per queue, but only those
2132          * that belong to the leading queue are initialized
2133          */
2134         if (vfq_is_leading(q)) {
2135                 /* mac */
2136                 bnx2x_init_mac_obj(bp, &q->mac_obj,
2137                                    cl_id, q->cid, func_id,
2138                                    bnx2x_vf_sp(bp, vf, mac_rdata),
2139                                    bnx2x_vf_sp_map(bp, vf, mac_rdata),
2140                                    BNX2X_FILTER_MAC_PENDING,
2141                                    &vf->filter_state,
2142                                    BNX2X_OBJ_TYPE_RX_TX,
2143                                    &bp->macs_pool);
2144                 /* vlan */
2145                 bnx2x_init_vlan_obj(bp, &q->vlan_obj,
2146                                     cl_id, q->cid, func_id,
2147                                     bnx2x_vf_sp(bp, vf, vlan_rdata),
2148                                     bnx2x_vf_sp_map(bp, vf, vlan_rdata),
2149                                     BNX2X_FILTER_VLAN_PENDING,
2150                                     &vf->filter_state,
2151                                     BNX2X_OBJ_TYPE_RX_TX,
2152                                     &bp->vlans_pool);
2153
2154                 /* mcast */
2155                 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id,
2156                                      q->cid, func_id, func_id,
2157                                      bnx2x_vf_sp(bp, vf, mcast_rdata),
2158                                      bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2159                                      BNX2X_FILTER_MCAST_PENDING,
2160                                      &vf->filter_state,
2161                                      BNX2X_OBJ_TYPE_RX_TX);
2162
2163                 vf->leading_rss = cl_id;
2164         }
2165 }
2166
2167 /* called by bnx2x_nic_load */
2168 int bnx2x_iov_nic_init(struct bnx2x *bp)
2169 {
2170         int vfid, qcount, i;
2171
2172         if (!IS_SRIOV(bp)) {
2173                 DP(BNX2X_MSG_IOV, "vfdb was not allocated\n");
2174                 return 0;
2175         }
2176
2177         DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn);
2178
2179         /* let FLR complete ... */
2180         msleep(100);
2181
2182         /* initialize vf database */
2183         for_each_vf(bp, vfid) {
2184                 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2185
2186                 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) *
2187                         BNX2X_CIDS_PER_VF;
2188
2189                 union cdu_context *base_cxt = (union cdu_context *)
2190                         BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2191                         (base_vf_cid & (ILT_PAGE_CIDS-1));
2192
2193                 DP(BNX2X_MSG_IOV,
2194                    "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n",
2195                    vf->abs_vfid, vf_sb_count(vf), base_vf_cid,
2196                    BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt);
2197
2198                 /* init statically provisioned resources */
2199                 bnx2x_iov_static_resc(bp, &vf->alloc_resc);
2200
2201                 /* queues are initialized during VF-ACQUIRE */
2202
2203                 /* reserve the vf vlan credit */
2204                 bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf));
2205
2206                 vf->filter_state = 0;
2207                 vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id);
2208
2209                 /*  init mcast object - This object will be re-initialized
2210                  *  during VF-ACQUIRE with the proper cl_id and cid.
2211                  *  It needs to be initialized here so that it can be safely
2212                  *  handled by a subsequent FLR flow.
2213                  */
2214                 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF,
2215                                      0xFF, 0xFF, 0xFF,
2216                                      bnx2x_vf_sp(bp, vf, mcast_rdata),
2217                                      bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2218                                      BNX2X_FILTER_MCAST_PENDING,
2219                                      &vf->filter_state,
2220                                      BNX2X_OBJ_TYPE_RX_TX);
2221
2222                 /* set the mailbox message addresses */
2223                 BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *)
2224                         (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid *
2225                         MBX_MSG_ALIGNED_SIZE);
2226
2227                 BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping +
2228                         vfid * MBX_MSG_ALIGNED_SIZE;
2229
2230                 /* Enable vf mailbox */
2231                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
2232         }
2233
2234         /* Final VF init */
2235         qcount = 0;
2236         for_each_vf(bp, i) {
2237                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2238
2239                 /* fill in the BDF and bars */
2240                 vf->bus = bnx2x_vf_bus(bp, i);
2241                 vf->devfn = bnx2x_vf_devfn(bp, i);
2242                 bnx2x_vf_set_bars(bp, vf);
2243
2244                 DP(BNX2X_MSG_IOV,
2245                    "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n",
2246                    vf->abs_vfid, vf->bus, vf->devfn,
2247                    (unsigned)vf->bars[0].bar, vf->bars[0].size,
2248                    (unsigned)vf->bars[1].bar, vf->bars[1].size,
2249                    (unsigned)vf->bars[2].bar, vf->bars[2].size);
2250
2251                 /* set local queue arrays */
2252                 vf->vfqs = &bp->vfdb->vfqs[qcount];
2253                 qcount += bnx2x_vf(bp, i, alloc_resc.num_sbs);
2254         }
2255
2256         return 0;
2257 }
2258
2259 /* called by bnx2x_chip_cleanup */
2260 int bnx2x_iov_chip_cleanup(struct bnx2x *bp)
2261 {
2262         int i;
2263
2264         if (!IS_SRIOV(bp))
2265                 return 0;
2266
2267         /* release all the VFs */
2268         for_each_vf(bp, i)
2269                 bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */
2270
2271         return 0;
2272 }
2273
2274 /* called by bnx2x_init_hw_func, returns the next ilt line */
2275 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line)
2276 {
2277         int i;
2278         struct bnx2x_ilt *ilt = BP_ILT(bp);
2279
2280         if (!IS_SRIOV(bp))
2281                 return line;
2282
2283         /* set vfs ilt lines */
2284         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2285                 struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i);
2286
2287                 ilt->lines[line+i].page = hw_cxt->addr;
2288                 ilt->lines[line+i].page_mapping = hw_cxt->mapping;
2289                 ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */
2290         }
2291         return line + i;
2292 }
2293
2294 static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid)
2295 {
2296         return ((cid >= BNX2X_FIRST_VF_CID) &&
2297                 ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS));
2298 }
2299
2300 static
2301 void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp,
2302                                         struct bnx2x_vf_queue *vfq,
2303                                         union event_ring_elem *elem)
2304 {
2305         unsigned long ramrod_flags = 0;
2306         int rc = 0;
2307
2308         /* Always push next commands out, don't wait here */
2309         set_bit(RAMROD_CONT, &ramrod_flags);
2310
2311         switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
2312         case BNX2X_FILTER_MAC_PENDING:
2313                 rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem,
2314                                            &ramrod_flags);
2315                 break;
2316         case BNX2X_FILTER_VLAN_PENDING:
2317                 rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem,
2318                                             &ramrod_flags);
2319                 break;
2320         default:
2321                 BNX2X_ERR("Unsupported classification command: %d\n",
2322                           elem->message.data.eth_event.echo);
2323                 return;
2324         }
2325         if (rc < 0)
2326                 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
2327         else if (rc > 0)
2328                 DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n");
2329 }
2330
2331 static
2332 void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp,
2333                                struct bnx2x_virtf *vf)
2334 {
2335         struct bnx2x_mcast_ramrod_params rparam = {NULL};
2336         int rc;
2337
2338         rparam.mcast_obj = &vf->mcast_obj;
2339         vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw);
2340
2341         /* If there are pending mcast commands - send them */
2342         if (vf->mcast_obj.check_pending(&vf->mcast_obj)) {
2343                 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
2344                 if (rc < 0)
2345                         BNX2X_ERR("Failed to send pending mcast commands: %d\n",
2346                                   rc);
2347         }
2348 }
2349
2350 static
2351 void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp,
2352                                  struct bnx2x_virtf *vf)
2353 {
2354         smp_mb__before_clear_bit();
2355         clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
2356         smp_mb__after_clear_bit();
2357 }
2358
2359 int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem)
2360 {
2361         struct bnx2x_virtf *vf;
2362         int qidx = 0, abs_vfid;
2363         u8 opcode;
2364         u16 cid = 0xffff;
2365
2366         if (!IS_SRIOV(bp))
2367                 return 1;
2368
2369         /* first get the cid - the only events we handle here are cfc-delete
2370          * and set-mac completion
2371          */
2372         opcode = elem->message.opcode;
2373
2374         switch (opcode) {
2375         case EVENT_RING_OPCODE_CFC_DEL:
2376                 cid = SW_CID((__force __le32)
2377                              elem->message.data.cfc_del_event.cid);
2378                 DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid);
2379                 break;
2380         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2381         case EVENT_RING_OPCODE_MULTICAST_RULES:
2382         case EVENT_RING_OPCODE_FILTERS_RULES:
2383                 cid = (elem->message.data.eth_event.echo &
2384                        BNX2X_SWCID_MASK);
2385                 DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid);
2386                 break;
2387         case EVENT_RING_OPCODE_VF_FLR:
2388                 abs_vfid = elem->message.data.vf_flr_event.vf_id;
2389                 DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n",
2390                    abs_vfid);
2391                 goto get_vf;
2392         case EVENT_RING_OPCODE_MALICIOUS_VF:
2393                 abs_vfid = elem->message.data.malicious_vf_event.vf_id;
2394                 DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d err_id=0x%x\n",
2395                    abs_vfid, elem->message.data.malicious_vf_event.err_id);
2396                 goto get_vf;
2397         default:
2398                 return 1;
2399         }
2400
2401         /* check if the cid is the VF range */
2402         if (!bnx2x_iov_is_vf_cid(bp, cid)) {
2403                 DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid);
2404                 return 1;
2405         }
2406
2407         /* extract vf and rxq index from vf_cid - relies on the following:
2408          * 1. vfid on cid reflects the true abs_vfid
2409          * 2. The max number of VFs (per path) is 64
2410          */
2411         qidx = cid & ((1 << BNX2X_VF_CID_WND)-1);
2412         abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2413 get_vf:
2414         vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
2415
2416         if (!vf) {
2417                 BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n",
2418                           cid, abs_vfid);
2419                 return 0;
2420         }
2421
2422         switch (opcode) {
2423         case EVENT_RING_OPCODE_CFC_DEL:
2424                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n",
2425                    vf->abs_vfid, qidx);
2426                 vfq_get(vf, qidx)->sp_obj.complete_cmd(bp,
2427                                                        &vfq_get(vf,
2428                                                                 qidx)->sp_obj,
2429                                                        BNX2X_Q_CMD_CFC_DEL);
2430                 break;
2431         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2432                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n",
2433                    vf->abs_vfid, qidx);
2434                 bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem);
2435                 break;
2436         case EVENT_RING_OPCODE_MULTICAST_RULES:
2437                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n",
2438                    vf->abs_vfid, qidx);
2439                 bnx2x_vf_handle_mcast_eqe(bp, vf);
2440                 break;
2441         case EVENT_RING_OPCODE_FILTERS_RULES:
2442                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n",
2443                    vf->abs_vfid, qidx);
2444                 bnx2x_vf_handle_filters_eqe(bp, vf);
2445                 break;
2446         case EVENT_RING_OPCODE_VF_FLR:
2447                 DP(BNX2X_MSG_IOV, "got VF [%d] FLR notification\n",
2448                    vf->abs_vfid);
2449                 /* Do nothing for now */
2450                 break;
2451         case EVENT_RING_OPCODE_MALICIOUS_VF:
2452                 DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d error id %x\n",
2453                    abs_vfid, elem->message.data.malicious_vf_event.err_id);
2454                 /* Do nothing for now */
2455                 break;
2456         }
2457         /* SRIOV: reschedule any 'in_progress' operations */
2458         bnx2x_iov_sp_event(bp, cid, false);
2459
2460         return 0;
2461 }
2462
2463 static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid)
2464 {
2465         /* extract the vf from vf_cid - relies on the following:
2466          * 1. vfid on cid reflects the true abs_vfid
2467          * 2. The max number of VFs (per path) is 64
2468          */
2469         int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2470         return bnx2x_vf_by_abs_fid(bp, abs_vfid);
2471 }
2472
2473 void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
2474                                 struct bnx2x_queue_sp_obj **q_obj)
2475 {
2476         struct bnx2x_virtf *vf;
2477
2478         if (!IS_SRIOV(bp))
2479                 return;
2480
2481         vf = bnx2x_vf_by_cid(bp, vf_cid);
2482
2483         if (vf) {
2484                 /* extract queue index from vf_cid - relies on the following:
2485                  * 1. vfid on cid reflects the true abs_vfid
2486                  * 2. The max number of VFs (per path) is 64
2487                  */
2488                 int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1);
2489                 *q_obj = &bnx2x_vfq(vf, q_index, sp_obj);
2490         } else {
2491                 BNX2X_ERR("No vf matching cid %d\n", vf_cid);
2492         }
2493 }
2494
2495 void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work)
2496 {
2497         struct bnx2x_virtf *vf;
2498
2499         /* check if the cid is the VF range */
2500         if (!IS_SRIOV(bp) || !bnx2x_iov_is_vf_cid(bp, vf_cid))
2501                 return;
2502
2503         vf = bnx2x_vf_by_cid(bp, vf_cid);
2504         if (vf) {
2505                 /* set in_progress flag */
2506                 atomic_set(&vf->op_in_progress, 1);
2507                 if (queue_work)
2508                         queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
2509         }
2510 }
2511
2512 void bnx2x_iov_adjust_stats_req(struct bnx2x *bp)
2513 {
2514         int i;
2515         int first_queue_query_index, num_queues_req;
2516         dma_addr_t cur_data_offset;
2517         struct stats_query_entry *cur_query_entry;
2518         u8 stats_count = 0;
2519         bool is_fcoe = false;
2520
2521         if (!IS_SRIOV(bp))
2522                 return;
2523
2524         if (!NO_FCOE(bp))
2525                 is_fcoe = true;
2526
2527         /* fcoe adds one global request and one queue request */
2528         num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe;
2529         first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX -
2530                 (is_fcoe ? 0 : 1);
2531
2532         DP(BNX2X_MSG_IOV,
2533            "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",
2534            BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index,
2535            first_queue_query_index + num_queues_req);
2536
2537         cur_data_offset = bp->fw_stats_data_mapping +
2538                 offsetof(struct bnx2x_fw_stats_data, queue_stats) +
2539                 num_queues_req * sizeof(struct per_queue_stats);
2540
2541         cur_query_entry = &bp->fw_stats_req->
2542                 query[first_queue_query_index + num_queues_req];
2543
2544         for_each_vf(bp, i) {
2545                 int j;
2546                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2547
2548                 if (vf->state != VF_ENABLED) {
2549                         DP(BNX2X_MSG_IOV,
2550                            "vf %d not enabled so no stats for it\n",
2551                            vf->abs_vfid);
2552                         continue;
2553                 }
2554
2555                 DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid);
2556                 for_each_vfq(vf, j) {
2557                         struct bnx2x_vf_queue *rxq = vfq_get(vf, j);
2558
2559                         /* collect stats fro active queues only */
2560                         if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) ==
2561                             BNX2X_Q_LOGICAL_STATE_STOPPED)
2562                                 continue;
2563
2564                         /* create stats query entry for this queue */
2565                         cur_query_entry->kind = STATS_TYPE_QUEUE;
2566                         cur_query_entry->index = vfq_cl_id(vf, rxq);
2567                         cur_query_entry->funcID =
2568                                 cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid));
2569                         cur_query_entry->address.hi =
2570                                 cpu_to_le32(U64_HI(vf->fw_stat_map));
2571                         cur_query_entry->address.lo =
2572                                 cpu_to_le32(U64_LO(vf->fw_stat_map));
2573                         DP(BNX2X_MSG_IOV,
2574                            "added address %x %x for vf %d queue %d client %d\n",
2575                            cur_query_entry->address.hi,
2576                            cur_query_entry->address.lo, cur_query_entry->funcID,
2577                            j, cur_query_entry->index);
2578                         cur_query_entry++;
2579                         cur_data_offset += sizeof(struct per_queue_stats);
2580                         stats_count++;
2581                 }
2582         }
2583         bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count;
2584 }
2585
2586 void bnx2x_iov_sp_task(struct bnx2x *bp)
2587 {
2588         int i;
2589
2590         if (!IS_SRIOV(bp))
2591                 return;
2592         /* Iterate over all VFs and invoke state transition for VFs with
2593          * 'in-progress' slow-path operations
2594          */
2595         DP(BNX2X_MSG_IOV, "searching for pending vf operations\n");
2596         for_each_vf(bp, i) {
2597                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2598
2599                 if (!list_empty(&vf->op_list_head) &&
2600                     atomic_read(&vf->op_in_progress)) {
2601                         DP(BNX2X_MSG_IOV, "running pending op for vf %d\n", i);
2602                         bnx2x_vfop_cur(bp, vf)->transition(bp, vf);
2603                 }
2604         }
2605 }
2606
2607 static inline
2608 struct bnx2x_virtf *__vf_from_stat_id(struct bnx2x *bp, u8 stat_id)
2609 {
2610         int i;
2611         struct bnx2x_virtf *vf = NULL;
2612
2613         for_each_vf(bp, i) {
2614                 vf = BP_VF(bp, i);
2615                 if (stat_id >= vf->igu_base_id &&
2616                     stat_id < vf->igu_base_id + vf_sb_count(vf))
2617                         break;
2618         }
2619         return vf;
2620 }
2621
2622 /* VF API helpers */
2623 static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid,
2624                                 u8 enable)
2625 {
2626         u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4;
2627         u32 val = enable ? (abs_vfid | (1 << 6)) : 0;
2628
2629         REG_WR(bp, reg, val);
2630 }
2631
2632 static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf)
2633 {
2634         int i;
2635
2636         for_each_vfq(vf, i)
2637                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2638                                     vfq_qzone_id(vf, vfq_get(vf, i)), false);
2639 }
2640
2641 static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf)
2642 {
2643         u32 val;
2644
2645         /* clear the VF configuration - pretend */
2646         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
2647         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
2648         val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN |
2649                  IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK);
2650         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
2651         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2652 }
2653
2654 u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf)
2655 {
2656         return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF),
2657                      BNX2X_VF_MAX_QUEUES);
2658 }
2659
2660 static
2661 int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf,
2662                             struct vf_pf_resc_request *req_resc)
2663 {
2664         u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2665         u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2666
2667         return ((req_resc->num_rxqs <= rxq_cnt) &&
2668                 (req_resc->num_txqs <= txq_cnt) &&
2669                 (req_resc->num_sbs <= vf_sb_count(vf))   &&
2670                 (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) &&
2671                 (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf)));
2672 }
2673
2674 /* CORE VF API */
2675 int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
2676                      struct vf_pf_resc_request *resc)
2677 {
2678         int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) *
2679                 BNX2X_CIDS_PER_VF;
2680
2681         union cdu_context *base_cxt = (union cdu_context *)
2682                 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2683                 (base_vf_cid & (ILT_PAGE_CIDS-1));
2684         int i;
2685
2686         /* if state is 'acquired' the VF was not released or FLR'd, in
2687          * this case the returned resources match the acquired already
2688          * acquired resources. Verify that the requested numbers do
2689          * not exceed the already acquired numbers.
2690          */
2691         if (vf->state == VF_ACQUIRED) {
2692                 DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n",
2693                    vf->abs_vfid);
2694
2695                 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2696                         BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n",
2697                                   vf->abs_vfid);
2698                         return -EINVAL;
2699                 }
2700                 return 0;
2701         }
2702
2703         /* Otherwise vf state must be 'free' or 'reset' */
2704         if (vf->state != VF_FREE && vf->state != VF_RESET) {
2705                 BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n",
2706                           vf->abs_vfid, vf->state);
2707                 return -EINVAL;
2708         }
2709
2710         /* static allocation:
2711          * the global maximum number are fixed per VF. Fail the request if
2712          * requested number exceed these globals
2713          */
2714         if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2715                 DP(BNX2X_MSG_IOV,
2716                    "cannot fulfill vf resource request. Placing maximal available values in response\n");
2717                 /* set the max resource in the vf */
2718                 return -ENOMEM;
2719         }
2720
2721         /* Set resources counters - 0 request means max available */
2722         vf_sb_count(vf) = resc->num_sbs;
2723         vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2724         vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2725         if (resc->num_mac_filters)
2726                 vf_mac_rules_cnt(vf) = resc->num_mac_filters;
2727         if (resc->num_vlan_filters)
2728                 vf_vlan_rules_cnt(vf) = resc->num_vlan_filters;
2729
2730         DP(BNX2X_MSG_IOV,
2731            "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n",
2732            vf_sb_count(vf), vf_rxq_count(vf),
2733            vf_txq_count(vf), vf_mac_rules_cnt(vf),
2734            vf_vlan_rules_cnt(vf));
2735
2736         /* Initialize the queues */
2737         if (!vf->vfqs) {
2738                 DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n");
2739                 return -EINVAL;
2740         }
2741
2742         for_each_vfq(vf, i) {
2743                 struct bnx2x_vf_queue *q = vfq_get(vf, i);
2744
2745                 if (!q) {
2746                         DP(BNX2X_MSG_IOV, "q number %d was not allocated\n", i);
2747                         return -EINVAL;
2748                 }
2749
2750                 q->index = i;
2751                 q->cxt = &((base_cxt + i)->eth);
2752                 q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i;
2753
2754                 DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n",
2755                    vf->abs_vfid, i, q->index, q->cid, q->cxt);
2756
2757                 /* init SP objects */
2758                 bnx2x_vfq_init(bp, vf, q);
2759         }
2760         vf->state = VF_ACQUIRED;
2761         return 0;
2762 }
2763
2764 int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map)
2765 {
2766         struct bnx2x_func_init_params func_init = {0};
2767         u16 flags = 0;
2768         int i;
2769
2770         /* the sb resources are initialized at this point, do the
2771          * FW/HW initializations
2772          */
2773         for_each_vf_sb(vf, i)
2774                 bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true,
2775                               vf_igu_sb(vf, i), vf_igu_sb(vf, i));
2776
2777         /* Sanity checks */
2778         if (vf->state != VF_ACQUIRED) {
2779                 DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n",
2780                    vf->abs_vfid, vf->state);
2781                 return -EINVAL;
2782         }
2783
2784         /* let FLR complete ... */
2785         msleep(100);
2786
2787         /* FLR cleanup epilogue */
2788         if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid))
2789                 return -EBUSY;
2790
2791         /* reset IGU VF statistics: MSIX */
2792         REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0);
2793
2794         /* vf init */
2795         if (vf->cfg_flags & VF_CFG_STATS)
2796                 flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ);
2797
2798         if (vf->cfg_flags & VF_CFG_TPA)
2799                 flags |= FUNC_FLG_TPA;
2800
2801         if (is_vf_multi(vf))
2802                 flags |= FUNC_FLG_RSS;
2803
2804         /* function setup */
2805         func_init.func_flgs = flags;
2806         func_init.pf_id = BP_FUNC(bp);
2807         func_init.func_id = FW_VF_HANDLE(vf->abs_vfid);
2808         func_init.fw_stat_map = vf->fw_stat_map;
2809         func_init.spq_map = vf->spq_map;
2810         func_init.spq_prod = 0;
2811         bnx2x_func_init(bp, &func_init);
2812
2813         /* Enable the vf */
2814         bnx2x_vf_enable_access(bp, vf->abs_vfid);
2815         bnx2x_vf_enable_traffic(bp, vf);
2816
2817         /* queue protection table */
2818         for_each_vfq(vf, i)
2819                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2820                                     vfq_qzone_id(vf, vfq_get(vf, i)), true);
2821
2822         vf->state = VF_ENABLED;
2823
2824         /* update vf bulletin board */
2825         bnx2x_post_vf_bulletin(bp, vf->index);
2826
2827         return 0;
2828 }
2829
2830 /* VFOP close (teardown the queues, delete mcasts and close HW) */
2831 static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf)
2832 {
2833         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2834         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
2835         enum bnx2x_vfop_close_state state = vfop->state;
2836         struct bnx2x_vfop_cmd cmd = {
2837                 .done = bnx2x_vfop_close,
2838                 .block = false,
2839         };
2840
2841         if (vfop->rc < 0)
2842                 goto op_err;
2843
2844         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
2845
2846         switch (state) {
2847         case BNX2X_VFOP_CLOSE_QUEUES:
2848
2849                 if (++(qx->qid) < vf_rxq_count(vf)) {
2850                         vfop->rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qx->qid);
2851                         if (vfop->rc)
2852                                 goto op_err;
2853                         return;
2854                 }
2855
2856                 /* remove multicasts */
2857                 vfop->state = BNX2X_VFOP_CLOSE_HW;
2858                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, 0, false);
2859                 if (vfop->rc)
2860                         goto op_err;
2861                 return;
2862
2863         case BNX2X_VFOP_CLOSE_HW:
2864
2865                 /* disable the interrupts */
2866                 DP(BNX2X_MSG_IOV, "disabling igu\n");
2867                 bnx2x_vf_igu_disable(bp, vf);
2868
2869                 /* disable the VF */
2870                 DP(BNX2X_MSG_IOV, "clearing qtbl\n");
2871                 bnx2x_vf_clr_qtbl(bp, vf);
2872
2873                 goto op_done;
2874         default:
2875                 bnx2x_vfop_default(state);
2876         }
2877 op_err:
2878         BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc);
2879 op_done:
2880         vf->state = VF_ACQUIRED;
2881         DP(BNX2X_MSG_IOV, "set state to acquired\n");
2882         bnx2x_vfop_end(bp, vf, vfop);
2883 }
2884
2885 int bnx2x_vfop_close_cmd(struct bnx2x *bp,
2886                          struct bnx2x_virtf *vf,
2887                          struct bnx2x_vfop_cmd *cmd)
2888 {
2889         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2890         if (vfop) {
2891                 vfop->args.qx.qid = -1; /* loop */
2892                 bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES,
2893                                  bnx2x_vfop_close, cmd->done);
2894                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_close,
2895                                              cmd->block);
2896         }
2897         return -ENOMEM;
2898 }
2899
2900 /* VF release can be called either: 1. The VF was acquired but
2901  * not enabled 2. the vf was enabled or in the process of being
2902  * enabled
2903  */
2904 static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf)
2905 {
2906         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2907         struct bnx2x_vfop_cmd cmd = {
2908                 .done = bnx2x_vfop_release,
2909                 .block = false,
2910         };
2911
2912         DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2913
2914         if (vfop->rc < 0)
2915                 goto op_err;
2916
2917         DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid,
2918            vf->state == VF_FREE ? "Free" :
2919            vf->state == VF_ACQUIRED ? "Acquired" :
2920            vf->state == VF_ENABLED ? "Enabled" :
2921            vf->state == VF_RESET ? "Reset" :
2922            "Unknown");
2923
2924         switch (vf->state) {
2925         case VF_ENABLED:
2926                 vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd);
2927                 if (vfop->rc)
2928                         goto op_err;
2929                 return;
2930
2931         case VF_ACQUIRED:
2932                 DP(BNX2X_MSG_IOV, "about to free resources\n");
2933                 bnx2x_vf_free_resc(bp, vf);
2934                 DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2935                 goto op_done;
2936
2937         case VF_FREE:
2938         case VF_RESET:
2939                 /* do nothing */
2940                 goto op_done;
2941         default:
2942                 bnx2x_vfop_default(vf->state);
2943         }
2944 op_err:
2945         BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc);
2946 op_done:
2947         bnx2x_vfop_end(bp, vf, vfop);
2948 }
2949
2950 int bnx2x_vfop_release_cmd(struct bnx2x *bp,
2951                            struct bnx2x_virtf *vf,
2952                            struct bnx2x_vfop_cmd *cmd)
2953 {
2954         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2955         if (vfop) {
2956                 bnx2x_vfop_opset(-1, /* use vf->state */
2957                                  bnx2x_vfop_release, cmd->done);
2958                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release,
2959                                              cmd->block);
2960         }
2961         return -ENOMEM;
2962 }
2963
2964 /* VF release ~ VF close + VF release-resources
2965  * Release is the ultimate SW shutdown and is called whenever an
2966  * irrecoverable error is encountered.
2967  */
2968 void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block)
2969 {
2970         struct bnx2x_vfop_cmd cmd = {
2971                 .done = NULL,
2972                 .block = block,
2973         };
2974         int rc;
2975         bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
2976
2977         rc = bnx2x_vfop_release_cmd(bp, vf, &cmd);
2978         if (rc)
2979                 WARN(rc,
2980                      "VF[%d] Failed to allocate resources for release op- rc=%d\n",
2981                      vf->abs_vfid, rc);
2982 }
2983
2984 static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp,
2985                               struct bnx2x_virtf *vf, u32 *sbdf)
2986 {
2987         *sbdf = vf->devfn | (vf->bus << 8);
2988 }
2989
2990 static inline void bnx2x_vf_get_bars(struct bnx2x *bp, struct bnx2x_virtf *vf,
2991                        struct bnx2x_vf_bar_info *bar_info)
2992 {
2993         int n;
2994
2995         bar_info->nr_bars = bp->vfdb->sriov.nres;
2996         for (n = 0; n < bar_info->nr_bars; n++)
2997                 bar_info->bars[n] = vf->bars[n];
2998 }
2999
3000 void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
3001                               enum channel_tlvs tlv)
3002 {
3003         /* lock the channel */
3004         mutex_lock(&vf->op_mutex);
3005
3006         /* record the locking op */
3007         vf->op_current = tlv;
3008
3009         /* log the lock */
3010         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n",
3011            vf->abs_vfid, tlv);
3012 }
3013
3014 void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
3015                                 enum channel_tlvs expected_tlv)
3016 {
3017         WARN(expected_tlv != vf->op_current,
3018              "lock mismatch: expected %d found %d", expected_tlv,
3019              vf->op_current);
3020
3021         /* lock the channel */
3022         mutex_unlock(&vf->op_mutex);
3023
3024         /* log the unlock */
3025         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n",
3026            vf->abs_vfid, vf->op_current);
3027
3028         /* record the locking op */
3029         vf->op_current = CHANNEL_TLV_NONE;
3030 }
3031
3032 int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param)
3033 {
3034         struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev));
3035
3036         DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n",
3037            num_vfs_param, BNX2X_NR_VIRTFN(bp));
3038
3039         /* HW channel is only operational when PF is up */
3040         if (bp->state != BNX2X_STATE_OPEN) {
3041                 BNX2X_ERR("VF num configuration via sysfs not supported while PF is down\n");
3042                 return -EINVAL;
3043         }
3044
3045         /* we are always bound by the total_vfs in the configuration space */
3046         if (num_vfs_param > BNX2X_NR_VIRTFN(bp)) {
3047                 BNX2X_ERR("truncating requested number of VFs (%d) down to maximum allowed (%d)\n",
3048                           num_vfs_param, BNX2X_NR_VIRTFN(bp));
3049                 num_vfs_param = BNX2X_NR_VIRTFN(bp);
3050         }
3051
3052         bp->requested_nr_virtfn = num_vfs_param;
3053         if (num_vfs_param == 0) {
3054                 pci_disable_sriov(dev);
3055                 return 0;
3056         } else {
3057                 return bnx2x_enable_sriov(bp);
3058         }
3059 }
3060
3061 int bnx2x_enable_sriov(struct bnx2x *bp)
3062 {
3063         int rc = 0, req_vfs = bp->requested_nr_virtfn;
3064
3065         rc = pci_enable_sriov(bp->pdev, req_vfs);
3066         if (rc) {
3067                 BNX2X_ERR("pci_enable_sriov failed with %d\n", rc);
3068                 return rc;
3069         }
3070         DP(BNX2X_MSG_IOV, "sriov enabled (%d vfs)\n", req_vfs);
3071         return req_vfs;
3072 }
3073
3074 void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp)
3075 {
3076         int vfidx;
3077         struct pf_vf_bulletin_content *bulletin;
3078
3079         DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n");
3080         for_each_vf(bp, vfidx) {
3081         bulletin = BP_VF_BULLETIN(bp, vfidx);
3082                 if (BP_VF(bp, vfidx)->cfg_flags & VF_CFG_VLAN)
3083                         bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0);
3084         }
3085 }
3086
3087 void bnx2x_disable_sriov(struct bnx2x *bp)
3088 {
3089         pci_disable_sriov(bp->pdev);
3090 }
3091
3092 static int bnx2x_vf_ndo_prep(struct bnx2x *bp, int vfidx,
3093                              struct bnx2x_virtf **vf,
3094                              struct pf_vf_bulletin_content **bulletin)
3095 {
3096         if (bp->state != BNX2X_STATE_OPEN) {
3097                 BNX2X_ERR("vf ndo called though PF is down\n");
3098                 return -EINVAL;
3099         }
3100
3101         if (!IS_SRIOV(bp)) {
3102                 BNX2X_ERR("vf ndo called though sriov is disabled\n");
3103                 return -EINVAL;
3104         }
3105
3106         if (vfidx >= BNX2X_NR_VIRTFN(bp)) {
3107                 BNX2X_ERR("vf ndo called for uninitialized VF. vfidx was %d BNX2X_NR_VIRTFN was %d\n",
3108                           vfidx, BNX2X_NR_VIRTFN(bp));
3109                 return -EINVAL;
3110         }
3111
3112         /* init members */
3113         *vf = BP_VF(bp, vfidx);
3114         *bulletin = BP_VF_BULLETIN(bp, vfidx);
3115
3116         if (!*vf) {
3117                 BNX2X_ERR("vf ndo called but vf was null. vfidx was %d\n",
3118                           vfidx);
3119                 return -EINVAL;
3120         }
3121
3122         if (!*bulletin) {
3123                 BNX2X_ERR("vf ndo called but Bulletin Board struct is null. vfidx was %d\n",
3124                           vfidx);
3125                 return -EINVAL;
3126         }
3127
3128         return 0;
3129 }
3130
3131 int bnx2x_get_vf_config(struct net_device *dev, int vfidx,
3132                         struct ifla_vf_info *ivi)
3133 {
3134         struct bnx2x *bp = netdev_priv(dev);
3135         struct bnx2x_virtf *vf = NULL;
3136         struct pf_vf_bulletin_content *bulletin = NULL;
3137         struct bnx2x_vlan_mac_obj *mac_obj;
3138         struct bnx2x_vlan_mac_obj *vlan_obj;
3139         int rc;
3140
3141         /* sanity and init */
3142         rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3143         if (rc)
3144                 return rc;
3145         mac_obj = &bnx2x_vfq(vf, 0, mac_obj);
3146         vlan_obj = &bnx2x_vfq(vf, 0, vlan_obj);
3147         if (!mac_obj || !vlan_obj) {
3148                 BNX2X_ERR("VF partially initialized\n");
3149                 return -EINVAL;
3150         }
3151
3152         ivi->vf = vfidx;
3153         ivi->qos = 0;
3154         ivi->tx_rate = 10000; /* always 10G. TBA take from link struct */
3155         ivi->spoofchk = 1; /*always enabled */
3156         if (vf->state == VF_ENABLED) {
3157                 /* mac and vlan are in vlan_mac objects */
3158                 mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac,
3159                                         0, ETH_ALEN);
3160                 vlan_obj->get_n_elements(bp, vlan_obj, 1, (u8 *)&ivi->vlan,
3161                                          0, VLAN_HLEN);
3162         } else {
3163                 /* mac */
3164                 if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID))
3165                         /* mac configured by ndo so its in bulletin board */
3166                         memcpy(&ivi->mac, bulletin->mac, ETH_ALEN);
3167                 else
3168                         /* function has not been loaded yet. Show mac as 0s */
3169                         memset(&ivi->mac, 0, ETH_ALEN);
3170
3171                 /* vlan */
3172                 if (bulletin->valid_bitmap & (1 << VLAN_VALID))
3173                         /* vlan configured by ndo so its in bulletin board */
3174                         memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN);
3175                 else
3176                         /* function has not been loaded yet. Show vlans as 0s */
3177                         memset(&ivi->vlan, 0, VLAN_HLEN);
3178         }
3179
3180         return 0;
3181 }
3182
3183 /* New mac for VF. Consider these cases:
3184  * 1. VF hasn't been acquired yet - save the mac in local bulletin board and
3185  *    supply at acquire.
3186  * 2. VF has already been acquired but has not yet initialized - store in local
3187  *    bulletin board. mac will be posted on VF bulletin board after VF init. VF
3188  *    will configure this mac when it is ready.
3189  * 3. VF has already initialized but has not yet setup a queue - post the new
3190  *    mac on VF's bulletin board right now. VF will configure this mac when it
3191  *    is ready.
3192  * 4. VF has already set a queue - delete any macs already configured for this
3193  *    queue and manually config the new mac.
3194  * In any event, once this function has been called refuse any attempts by the
3195  * VF to configure any mac for itself except for this mac. In case of a race
3196  * where the VF fails to see the new post on its bulletin board before sending a
3197  * mac configuration request, the PF will simply fail the request and VF can try
3198  * again after consulting its bulletin board.
3199  */
3200 int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac)
3201 {
3202         struct bnx2x *bp = netdev_priv(dev);
3203         int rc, q_logical_state;
3204         struct bnx2x_virtf *vf = NULL;
3205         struct pf_vf_bulletin_content *bulletin = NULL;
3206
3207         /* sanity and init */
3208         rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3209         if (rc)
3210                 return rc;
3211         if (!is_valid_ether_addr(mac)) {
3212                 BNX2X_ERR("mac address invalid\n");
3213                 return -EINVAL;
3214         }
3215
3216         /* update PF's copy of the VF's bulletin. Will no longer accept mac
3217          * configuration requests from vf unless match this mac
3218          */
3219         bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID;
3220         memcpy(bulletin->mac, mac, ETH_ALEN);
3221
3222         /* Post update on VF's bulletin board */
3223         rc = bnx2x_post_vf_bulletin(bp, vfidx);
3224         if (rc) {
3225                 BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx);
3226                 return rc;
3227         }
3228
3229         /* is vf initialized and queue set up? */
3230         q_logical_state =
3231                 bnx2x_get_q_logical_state(bp, &bnx2x_vfq(vf, 0, sp_obj));
3232         if (vf->state == VF_ENABLED &&
3233             q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3234                 /* configure the mac in device on this vf's queue */
3235                 unsigned long ramrod_flags = 0;
3236                 struct bnx2x_vlan_mac_obj *mac_obj = &bnx2x_vfq(vf, 0, mac_obj);
3237
3238                 /* must lock vfpf channel to protect against vf flows */
3239                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3240
3241                 /* remove existing eth macs */
3242                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true);
3243                 if (rc) {
3244                         BNX2X_ERR("failed to delete eth macs\n");
3245                         return -EINVAL;
3246                 }
3247
3248                 /* remove existing uc list macs */
3249                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true);
3250                 if (rc) {
3251                         BNX2X_ERR("failed to delete uc_list macs\n");
3252                         return -EINVAL;
3253                 }
3254
3255                 /* configure the new mac to device */
3256                 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3257                 bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true,
3258                                   BNX2X_ETH_MAC, &ramrod_flags);
3259
3260                 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3261         }
3262
3263         return 0;
3264 }
3265
3266 int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)
3267 {
3268         struct bnx2x *bp = netdev_priv(dev);
3269         int rc, q_logical_state;
3270         struct bnx2x_virtf *vf = NULL;
3271         struct pf_vf_bulletin_content *bulletin = NULL;
3272
3273         /* sanity and init */
3274         rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3275         if (rc)
3276                 return rc;
3277
3278         if (vlan > 4095) {
3279                 BNX2X_ERR("illegal vlan value %d\n", vlan);
3280                 return -EINVAL;
3281         }
3282
3283         DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n",
3284            vfidx, vlan, 0);
3285
3286         /* update PF's copy of the VF's bulletin. No point in posting the vlan
3287          * to the VF since it doesn't have anything to do with it. But it useful
3288          * to store it here in case the VF is not up yet and we can only
3289          * configure the vlan later when it does.
3290          */
3291         bulletin->valid_bitmap |= 1 << VLAN_VALID;
3292         bulletin->vlan = vlan;
3293
3294         /* is vf initialized and queue set up? */
3295         q_logical_state =
3296                 bnx2x_get_q_logical_state(bp, &bnx2x_vfq(vf, 0, sp_obj));
3297         if (vf->state == VF_ENABLED &&
3298             q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3299                 /* configure the vlan in device on this vf's queue */
3300                 unsigned long ramrod_flags = 0;
3301                 unsigned long vlan_mac_flags = 0;
3302                 struct bnx2x_vlan_mac_obj *vlan_obj =
3303                         &bnx2x_vfq(vf, 0, vlan_obj);
3304                 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
3305                 struct bnx2x_queue_state_params q_params = {NULL};
3306                 struct bnx2x_queue_update_params *update_params;
3307
3308                 memset(&ramrod_param, 0, sizeof(ramrod_param));
3309
3310                 /* must lock vfpf channel to protect against vf flows */
3311                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3312
3313                 /* remove existing vlans */
3314                 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3315                 rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags,
3316                                           &ramrod_flags);
3317                 if (rc) {
3318                         BNX2X_ERR("failed to delete vlans\n");
3319                         return -EINVAL;
3320                 }
3321
3322                 /* send queue update ramrod to configure default vlan and silent
3323                  * vlan removal
3324                  */
3325                 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
3326                 q_params.cmd = BNX2X_Q_CMD_UPDATE;
3327                 q_params.q_obj = &bnx2x_vfq(vf, 0, sp_obj);
3328                 update_params = &q_params.params.update;
3329                 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
3330                           &update_params->update_flags);
3331                 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
3332                           &update_params->update_flags);
3333
3334                 if (vlan == 0) {
3335                         /* if vlan is 0 then we want to leave the VF traffic
3336                          * untagged, and leave the incoming traffic untouched
3337                          * (i.e. do not remove any vlan tags).
3338                          */
3339                         __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3340                                     &update_params->update_flags);
3341                         __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3342                                     &update_params->update_flags);
3343                 } else {
3344                         /* configure the new vlan to device */
3345                         __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3346                         ramrod_param.vlan_mac_obj = vlan_obj;
3347                         ramrod_param.ramrod_flags = ramrod_flags;
3348                         ramrod_param.user_req.u.vlan.vlan = vlan;
3349                         ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
3350                         rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
3351                         if (rc) {
3352                                 BNX2X_ERR("failed to configure vlan\n");
3353                                 return -EINVAL;
3354                         }
3355
3356                         /* configure default vlan to vf queue and set silent
3357                          * vlan removal (the vf remains unaware of this vlan).
3358                          */
3359                         update_params = &q_params.params.update;
3360                         __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3361                                   &update_params->update_flags);
3362                         __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3363                                   &update_params->update_flags);
3364                         update_params->def_vlan = vlan;
3365                 }
3366
3367                 /* Update the Queue state */
3368                 rc = bnx2x_queue_state_change(bp, &q_params);
3369                 if (rc) {
3370                         BNX2X_ERR("Failed to configure default VLAN\n");
3371                         return rc;
3372                 }
3373
3374                 /* clear the flag indicating that this VF needs its vlan
3375                  * (will only be set if the HV configured th Vlan before vf was
3376                  * and we were called because the VF came up later
3377                  */
3378                 vf->cfg_flags &= ~VF_CFG_VLAN;
3379
3380                 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3381         }
3382         return 0;
3383 }
3384
3385 /* crc is the first field in the bulletin board. Compute the crc over the
3386  * entire bulletin board excluding the crc field itself. Use the length field
3387  * as the Bulletin Board was posted by a PF with possibly a different version
3388  * from the vf which will sample it. Therefore, the length is computed by the
3389  * PF and the used blindly by the VF.
3390  */
3391 u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp,
3392                           struct pf_vf_bulletin_content *bulletin)
3393 {
3394         return crc32(BULLETIN_CRC_SEED,
3395                  ((u8 *)bulletin) + sizeof(bulletin->crc),
3396                  bulletin->length - sizeof(bulletin->crc));
3397 }
3398
3399 /* Check for new posts on the bulletin board */
3400 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
3401 {
3402         struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
3403         int attempts;
3404
3405         /* bulletin board hasn't changed since last sample */
3406         if (bp->old_bulletin.version == bulletin.version)
3407                 return PFVF_BULLETIN_UNCHANGED;
3408
3409         /* validate crc of new bulletin board */
3410         if (bp->old_bulletin.version != bp->pf2vf_bulletin->content.version) {
3411                 /* sampling structure in mid post may result with corrupted data
3412                  * validate crc to ensure coherency.
3413                  */
3414                 for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) {
3415                         bulletin = bp->pf2vf_bulletin->content;
3416                         if (bulletin.crc == bnx2x_crc_vf_bulletin(bp,
3417                                                                   &bulletin))
3418                                 break;
3419                         BNX2X_ERR("bad crc on bulletin board. Contained %x computed %x\n",
3420                                   bulletin.crc,
3421                                   bnx2x_crc_vf_bulletin(bp, &bulletin));
3422                 }
3423                 if (attempts >= BULLETIN_ATTEMPTS) {
3424                         BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n",
3425                                   attempts);
3426                         return PFVF_BULLETIN_CRC_ERR;
3427                 }
3428         }
3429
3430         /* the mac address in bulletin board is valid and is new */
3431         if (bulletin.valid_bitmap & 1 << MAC_ADDR_VALID &&
3432             memcmp(bulletin.mac, bp->old_bulletin.mac, ETH_ALEN)) {
3433                 /* update new mac to net device */
3434                 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
3435         }
3436
3437         /* the vlan in bulletin board is valid and is new */
3438         if (bulletin.valid_bitmap & 1 << VLAN_VALID)
3439                 memcpy(&bulletin.vlan, &bp->old_bulletin.vlan, VLAN_HLEN);
3440
3441         /* copy new bulletin board to bp */
3442         bp->old_bulletin = bulletin;
3443
3444         return PFVF_BULLETIN_UPDATED;
3445 }
3446
3447 void bnx2x_timer_sriov(struct bnx2x *bp)
3448 {
3449         bnx2x_sample_bulletin(bp);
3450
3451         /* if channel is down we need to self destruct */
3452         if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
3453                 smp_mb__before_clear_bit();
3454                 set_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
3455                         &bp->sp_rtnl_state);
3456                 smp_mb__after_clear_bit();
3457                 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3458         }
3459 }
3460
3461 void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)
3462 {
3463         /* vf doorbells are embedded within the regview */
3464         return bp->regview + PXP_VF_ADDR_DB_START;
3465 }
3466
3467 int bnx2x_vf_pci_alloc(struct bnx2x *bp)
3468 {
3469         mutex_init(&bp->vf2pf_mutex);
3470
3471         /* allocate vf2pf mailbox for vf to pf channel */
3472         BNX2X_PCI_ALLOC(bp->vf2pf_mbox, &bp->vf2pf_mbox_mapping,
3473                         sizeof(struct bnx2x_vf_mbx_msg));
3474
3475         /* allocate pf 2 vf bulletin board */
3476         BNX2X_PCI_ALLOC(bp->pf2vf_bulletin, &bp->pf2vf_bulletin_mapping,
3477                         sizeof(union pf_vf_bulletin));
3478
3479         return 0;
3480
3481 alloc_mem_err:
3482         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3483                        sizeof(struct bnx2x_vf_mbx_msg));
3484         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->pf2vf_bulletin_mapping,
3485                        sizeof(union pf_vf_bulletin));
3486         return -ENOMEM;
3487 }
3488
3489 int bnx2x_open_epilog(struct bnx2x *bp)
3490 {
3491         /* Enable sriov via delayed work. This must be done via delayed work
3492          * because it causes the probe of the vf devices to be run, which invoke
3493          * register_netdevice which must have rtnl lock taken. As we are holding
3494          * the lock right now, that could only work if the probe would not take
3495          * the lock. However, as the probe of the vf may be called from other
3496          * contexts as well (such as passthrough to vm fails) it can't assume
3497          * the lock is being held for it. Using delayed work here allows the
3498          * probe code to simply take the lock (i.e. wait for it to be released
3499          * if it is being held). We only want to do this if the number of VFs
3500          * was set before PF driver was loaded.
3501          */
3502         if (IS_SRIOV(bp) && BNX2X_NR_VIRTFN(bp)) {
3503                 smp_mb__before_clear_bit();
3504                 set_bit(BNX2X_SP_RTNL_ENABLE_SRIOV, &bp->sp_rtnl_state);
3505                 smp_mb__after_clear_bit();
3506                 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3507         }
3508
3509         return 0;
3510 }
3511
3512 void bnx2x_iov_channel_down(struct bnx2x *bp)
3513 {
3514         int vf_idx;
3515         struct pf_vf_bulletin_content *bulletin;
3516
3517         if (!IS_SRIOV(bp))
3518                 return;
3519
3520         for_each_vf(bp, vf_idx) {
3521                 /* locate this VFs bulletin board and update the channel down
3522                  * bit
3523                  */
3524                 bulletin = BP_VF_BULLETIN(bp, vf_idx);
3525                 bulletin->valid_bitmap |= 1 << CHANNEL_DOWN;
3526
3527                 /* update vf bulletin board */
3528                 bnx2x_post_vf_bulletin(bp, vf_idx);
3529         }
3530 }