7b234e41fea8575b69d723ccec2b95fd14db4db2
[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / net / ethernet / broadcom / bnx2x / bnx2x_sriov.c
1 /* bnx2x_sriov.c: Broadcom Everest network driver.
2  *
3  * Copyright 2009-2013 Broadcom Corporation
4  *
5  * Unless you and Broadcom execute a separate written software license
6  * agreement governing use of this software, this software is licensed to you
7  * under the terms of the GNU General Public License version 2, available
8  * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
9  *
10  * Notwithstanding the above, under no circumstances may you combine this
11  * software in any way with any other Broadcom software provided under a
12  * license other than the GPL, without Broadcom's express prior written
13  * consent.
14  *
15  * Maintained by: Eilon Greenstein <eilong@broadcom.com>
16  * Written by: Shmulik Ravid <shmulikr@broadcom.com>
17  *             Ariel Elior <ariele@broadcom.com>
18  *
19  */
20 #include "bnx2x.h"
21 #include "bnx2x_init.h"
22 #include "bnx2x_cmn.h"
23 #include "bnx2x_sp.h"
24 #include <linux/crc32.h>
25 #include <linux/if_vlan.h>
26
27 /* General service functions */
28 static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
29                                          u16 pf_id)
30 {
31         REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
32                 pf_id);
33         REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
34                 pf_id);
35         REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
36                 pf_id);
37         REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
38                 pf_id);
39 }
40
41 static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
42                                         u8 enable)
43 {
44         REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
45                 enable);
46         REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
47                 enable);
48         REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
49                 enable);
50         REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
51                 enable);
52 }
53
54 int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
55 {
56         int idx;
57
58         for_each_vf(bp, idx)
59                 if (bnx2x_vf(bp, idx, abs_vfid) == abs_vfid)
60                         break;
61         return idx;
62 }
63
64 static
65 struct bnx2x_virtf *bnx2x_vf_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
66 {
67         u16 idx =  (u16)bnx2x_vf_idx_by_abs_fid(bp, abs_vfid);
68         return (idx < BNX2X_NR_VIRTFN(bp)) ? BP_VF(bp, idx) : NULL;
69 }
70
71 static void bnx2x_vf_igu_ack_sb(struct bnx2x *bp, struct bnx2x_virtf *vf,
72                                 u8 igu_sb_id, u8 segment, u16 index, u8 op,
73                                 u8 update)
74 {
75         /* acking a VF sb through the PF - use the GRC */
76         u32 ctl;
77         u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
78         u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
79         u32 func_encode = vf->abs_vfid;
80         u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + igu_sb_id;
81         struct igu_regular cmd_data = {0};
82
83         cmd_data.sb_id_and_flags =
84                         ((index << IGU_REGULAR_SB_INDEX_SHIFT) |
85                          (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) |
86                          (update << IGU_REGULAR_BUPDATE_SHIFT) |
87                          (op << IGU_REGULAR_ENABLE_INT_SHIFT));
88
89         ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT         |
90               func_encode << IGU_CTRL_REG_FID_SHIFT             |
91               IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
92
93         DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
94            cmd_data.sb_id_and_flags, igu_addr_data);
95         REG_WR(bp, igu_addr_data, cmd_data.sb_id_and_flags);
96         mmiowb();
97         barrier();
98
99         DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
100            ctl, igu_addr_ctl);
101         REG_WR(bp, igu_addr_ctl, ctl);
102         mmiowb();
103         barrier();
104 }
105 /* VFOP - VF slow-path operation support */
106
107 #define BNX2X_VFOP_FILTER_ADD_CNT_MAX           0x10000
108
109 /* VFOP operations states */
110 enum bnx2x_vfop_qctor_state {
111            BNX2X_VFOP_QCTOR_INIT,
112            BNX2X_VFOP_QCTOR_SETUP,
113            BNX2X_VFOP_QCTOR_INT_EN
114 };
115
116 enum bnx2x_vfop_qdtor_state {
117            BNX2X_VFOP_QDTOR_HALT,
118            BNX2X_VFOP_QDTOR_TERMINATE,
119            BNX2X_VFOP_QDTOR_CFCDEL,
120            BNX2X_VFOP_QDTOR_DONE
121 };
122
123 enum bnx2x_vfop_vlan_mac_state {
124            BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE,
125            BNX2X_VFOP_VLAN_MAC_CLEAR,
126            BNX2X_VFOP_VLAN_MAC_CHK_DONE,
127            BNX2X_VFOP_MAC_CONFIG_LIST,
128            BNX2X_VFOP_VLAN_CONFIG_LIST,
129            BNX2X_VFOP_VLAN_CONFIG_LIST_0
130 };
131
132 enum bnx2x_vfop_qsetup_state {
133            BNX2X_VFOP_QSETUP_CTOR,
134            BNX2X_VFOP_QSETUP_VLAN0,
135            BNX2X_VFOP_QSETUP_DONE
136 };
137
138 enum bnx2x_vfop_mcast_state {
139            BNX2X_VFOP_MCAST_DEL,
140            BNX2X_VFOP_MCAST_ADD,
141            BNX2X_VFOP_MCAST_CHK_DONE
142 };
143 enum bnx2x_vfop_qflr_state {
144            BNX2X_VFOP_QFLR_CLR_VLAN,
145            BNX2X_VFOP_QFLR_CLR_MAC,
146            BNX2X_VFOP_QFLR_TERMINATE,
147            BNX2X_VFOP_QFLR_DONE
148 };
149
150 enum bnx2x_vfop_flr_state {
151            BNX2X_VFOP_FLR_QUEUES,
152            BNX2X_VFOP_FLR_HW
153 };
154
155 enum bnx2x_vfop_close_state {
156            BNX2X_VFOP_CLOSE_QUEUES,
157            BNX2X_VFOP_CLOSE_HW
158 };
159
160 enum bnx2x_vfop_rxmode_state {
161            BNX2X_VFOP_RXMODE_CONFIG,
162            BNX2X_VFOP_RXMODE_DONE
163 };
164
165 enum bnx2x_vfop_qteardown_state {
166            BNX2X_VFOP_QTEARDOWN_RXMODE,
167            BNX2X_VFOP_QTEARDOWN_CLR_VLAN,
168            BNX2X_VFOP_QTEARDOWN_CLR_MAC,
169            BNX2X_VFOP_QTEARDOWN_QDTOR,
170            BNX2X_VFOP_QTEARDOWN_DONE
171 };
172
173 #define bnx2x_vfop_reset_wq(vf) atomic_set(&vf->op_in_progress, 0)
174
175 void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf,
176                               struct bnx2x_queue_init_params *init_params,
177                               struct bnx2x_queue_setup_params *setup_params,
178                               u16 q_idx, u16 sb_idx)
179 {
180         DP(BNX2X_MSG_IOV,
181            "VF[%d] Q_SETUP: txq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, flags=0x%lx, traffic-type=%d",
182            vf->abs_vfid,
183            q_idx,
184            sb_idx,
185            init_params->tx.sb_cq_index,
186            init_params->tx.hc_rate,
187            setup_params->flags,
188            setup_params->txq_params.traffic_type);
189 }
190
191 void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf,
192                             struct bnx2x_queue_init_params *init_params,
193                             struct bnx2x_queue_setup_params *setup_params,
194                             u16 q_idx, u16 sb_idx)
195 {
196         struct bnx2x_rxq_setup_params *rxq_params = &setup_params->rxq_params;
197
198         DP(BNX2X_MSG_IOV, "VF[%d] Q_SETUP: rxq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, mtu=%d, buf-size=%d\n"
199            "sge-size=%d, max_sge_pkt=%d, tpa-agg-size=%d, flags=0x%lx, drop-flags=0x%x, cache-log=%d\n",
200            vf->abs_vfid,
201            q_idx,
202            sb_idx,
203            init_params->rx.sb_cq_index,
204            init_params->rx.hc_rate,
205            setup_params->gen_params.mtu,
206            rxq_params->buf_sz,
207            rxq_params->sge_buf_sz,
208            rxq_params->max_sges_pkt,
209            rxq_params->tpa_agg_sz,
210            setup_params->flags,
211            rxq_params->drop_flags,
212            rxq_params->cache_line_log);
213 }
214
215 void bnx2x_vfop_qctor_prep(struct bnx2x *bp,
216                            struct bnx2x_virtf *vf,
217                            struct bnx2x_vf_queue *q,
218                            struct bnx2x_vfop_qctor_params *p,
219                            unsigned long q_type)
220 {
221         struct bnx2x_queue_init_params *init_p = &p->qstate.params.init;
222         struct bnx2x_queue_setup_params *setup_p = &p->prep_qsetup;
223
224         /* INIT */
225
226         /* Enable host coalescing in the transition to INIT state */
227         if (test_bit(BNX2X_Q_FLG_HC, &init_p->rx.flags))
228                 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->rx.flags);
229
230         if (test_bit(BNX2X_Q_FLG_HC, &init_p->tx.flags))
231                 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->tx.flags);
232
233         /* FW SB ID */
234         init_p->rx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
235         init_p->tx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
236
237         /* context */
238         init_p->cxts[0] = q->cxt;
239
240         /* SETUP */
241
242         /* Setup-op general parameters */
243         setup_p->gen_params.spcl_id = vf->sp_cl_id;
244         setup_p->gen_params.stat_id = vfq_stat_id(vf, q);
245
246         /* Setup-op pause params:
247          * Nothing to do, the pause thresholds are set by default to 0 which
248          * effectively turns off the feature for this queue. We don't want
249          * one queue (VF) to interfering with another queue (another VF)
250          */
251         if (vf->cfg_flags & VF_CFG_FW_FC)
252                 BNX2X_ERR("No support for pause to VFs (abs_vfid: %d)\n",
253                           vf->abs_vfid);
254         /* Setup-op flags:
255          * collect statistics, zero statistics, local-switching, security,
256          * OV for Flex10, RSS and MCAST for leading
257          */
258         if (test_bit(BNX2X_Q_FLG_STATS, &setup_p->flags))
259                 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &setup_p->flags);
260
261         /* for VFs, enable tx switching, bd coherency, and mac address
262          * anti-spoofing
263          */
264         __set_bit(BNX2X_Q_FLG_TX_SWITCH, &setup_p->flags);
265         __set_bit(BNX2X_Q_FLG_TX_SEC, &setup_p->flags);
266         __set_bit(BNX2X_Q_FLG_ANTI_SPOOF, &setup_p->flags);
267
268         if (vfq_is_leading(q)) {
269                 __set_bit(BNX2X_Q_FLG_LEADING_RSS, &setup_p->flags);
270                 __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags);
271         }
272
273         /* Setup-op rx parameters */
274         if (test_bit(BNX2X_Q_TYPE_HAS_RX, &q_type)) {
275                 struct bnx2x_rxq_setup_params *rxq_p = &setup_p->rxq_params;
276
277                 rxq_p->cl_qzone_id = vfq_qzone_id(vf, q);
278                 rxq_p->fw_sb_id = vf_igu_sb(vf, q->sb_idx);
279                 rxq_p->rss_engine_id = FW_VF_HANDLE(vf->abs_vfid);
280
281                 if (test_bit(BNX2X_Q_FLG_TPA, &setup_p->flags))
282                         rxq_p->max_tpa_queues = BNX2X_VF_MAX_TPA_AGG_QUEUES;
283         }
284
285         /* Setup-op tx parameters */
286         if (test_bit(BNX2X_Q_TYPE_HAS_TX, &q_type)) {
287                 setup_p->txq_params.tss_leading_cl_id = vf->leading_rss;
288                 setup_p->txq_params.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
289         }
290 }
291
292 /* VFOP queue construction */
293 static void bnx2x_vfop_qctor(struct bnx2x *bp, struct bnx2x_virtf *vf)
294 {
295         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
296         struct bnx2x_vfop_args_qctor *args = &vfop->args.qctor;
297         struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate;
298         enum bnx2x_vfop_qctor_state state = vfop->state;
299
300         bnx2x_vfop_reset_wq(vf);
301
302         if (vfop->rc < 0)
303                 goto op_err;
304
305         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
306
307         switch (state) {
308         case BNX2X_VFOP_QCTOR_INIT:
309
310                 /* has this queue already been opened? */
311                 if (bnx2x_get_q_logical_state(bp, q_params->q_obj) ==
312                     BNX2X_Q_LOGICAL_STATE_ACTIVE) {
313                         DP(BNX2X_MSG_IOV,
314                            "Entered qctor but queue was already up. Aborting gracefully\n");
315                         goto op_done;
316                 }
317
318                 /* next state */
319                 vfop->state = BNX2X_VFOP_QCTOR_SETUP;
320
321                 q_params->cmd = BNX2X_Q_CMD_INIT;
322                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
323
324                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
325
326         case BNX2X_VFOP_QCTOR_SETUP:
327                 /* next state */
328                 vfop->state = BNX2X_VFOP_QCTOR_INT_EN;
329
330                 /* copy pre-prepared setup params to the queue-state params */
331                 vfop->op_p->qctor.qstate.params.setup =
332                         vfop->op_p->qctor.prep_qsetup;
333
334                 q_params->cmd = BNX2X_Q_CMD_SETUP;
335                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
336
337                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
338
339         case BNX2X_VFOP_QCTOR_INT_EN:
340
341                 /* enable interrupts */
342                 bnx2x_vf_igu_ack_sb(bp, vf, vf_igu_sb(vf, args->sb_idx),
343                                     USTORM_ID, 0, IGU_INT_ENABLE, 0);
344                 goto op_done;
345         default:
346                 bnx2x_vfop_default(state);
347         }
348 op_err:
349         BNX2X_ERR("QCTOR[%d:%d] error: cmd %d, rc %d\n",
350                   vf->abs_vfid, args->qid, q_params->cmd, vfop->rc);
351 op_done:
352         bnx2x_vfop_end(bp, vf, vfop);
353 op_pending:
354         return;
355 }
356
357 static int bnx2x_vfop_qctor_cmd(struct bnx2x *bp,
358                                 struct bnx2x_virtf *vf,
359                                 struct bnx2x_vfop_cmd *cmd,
360                                 int qid)
361 {
362         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
363
364         if (vfop) {
365                 vf->op_params.qctor.qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj);
366
367                 vfop->args.qctor.qid = qid;
368                 vfop->args.qctor.sb_idx = bnx2x_vfq(vf, qid, sb_idx);
369
370                 bnx2x_vfop_opset(BNX2X_VFOP_QCTOR_INIT,
371                                  bnx2x_vfop_qctor, cmd->done);
372                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qctor,
373                                              cmd->block);
374         }
375         return -ENOMEM;
376 }
377
378 /* VFOP queue destruction */
379 static void bnx2x_vfop_qdtor(struct bnx2x *bp, struct bnx2x_virtf *vf)
380 {
381         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
382         struct bnx2x_vfop_args_qdtor *qdtor = &vfop->args.qdtor;
383         struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate;
384         enum bnx2x_vfop_qdtor_state state = vfop->state;
385
386         bnx2x_vfop_reset_wq(vf);
387
388         if (vfop->rc < 0)
389                 goto op_err;
390
391         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
392
393         switch (state) {
394         case BNX2X_VFOP_QDTOR_HALT:
395
396                 /* has this queue already been stopped? */
397                 if (bnx2x_get_q_logical_state(bp, q_params->q_obj) ==
398                     BNX2X_Q_LOGICAL_STATE_STOPPED) {
399                         DP(BNX2X_MSG_IOV,
400                            "Entered qdtor but queue was already stopped. Aborting gracefully\n");
401                         goto op_done;
402                 }
403
404                 /* next state */
405                 vfop->state = BNX2X_VFOP_QDTOR_TERMINATE;
406
407                 q_params->cmd = BNX2X_Q_CMD_HALT;
408                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
409
410                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
411
412         case BNX2X_VFOP_QDTOR_TERMINATE:
413                 /* next state */
414                 vfop->state = BNX2X_VFOP_QDTOR_CFCDEL;
415
416                 q_params->cmd = BNX2X_Q_CMD_TERMINATE;
417                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
418
419                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
420
421         case BNX2X_VFOP_QDTOR_CFCDEL:
422                 /* next state */
423                 vfop->state = BNX2X_VFOP_QDTOR_DONE;
424
425                 q_params->cmd = BNX2X_Q_CMD_CFC_DEL;
426                 vfop->rc = bnx2x_queue_state_change(bp, q_params);
427
428                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
429 op_err:
430         BNX2X_ERR("QDTOR[%d:%d] error: cmd %d, rc %d\n",
431                   vf->abs_vfid, qdtor->qid, q_params->cmd, vfop->rc);
432 op_done:
433         case BNX2X_VFOP_QDTOR_DONE:
434                 /* invalidate the context */
435                 qdtor->cxt->ustorm_ag_context.cdu_usage = 0;
436                 qdtor->cxt->xstorm_ag_context.cdu_reserved = 0;
437                 bnx2x_vfop_end(bp, vf, vfop);
438                 return;
439         default:
440                 bnx2x_vfop_default(state);
441         }
442 op_pending:
443         return;
444 }
445
446 static int bnx2x_vfop_qdtor_cmd(struct bnx2x *bp,
447                                 struct bnx2x_virtf *vf,
448                                 struct bnx2x_vfop_cmd *cmd,
449                                 int qid)
450 {
451         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
452
453         if (vfop) {
454                 struct bnx2x_queue_state_params *qstate =
455                         &vf->op_params.qctor.qstate;
456
457                 memset(qstate, 0, sizeof(*qstate));
458                 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
459
460                 vfop->args.qdtor.qid = qid;
461                 vfop->args.qdtor.cxt = bnx2x_vfq(vf, qid, cxt);
462
463                 bnx2x_vfop_opset(BNX2X_VFOP_QDTOR_HALT,
464                                  bnx2x_vfop_qdtor, cmd->done);
465                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdtor,
466                                              cmd->block);
467         }
468         DP(BNX2X_MSG_IOV, "VF[%d] failed to add a vfop.\n", vf->abs_vfid);
469         return -ENOMEM;
470 }
471
472 static void
473 bnx2x_vf_set_igu_info(struct bnx2x *bp, u8 igu_sb_id, u8 abs_vfid)
474 {
475         struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
476         if (vf) {
477                 if (!vf_sb_count(vf))
478                         vf->igu_base_id = igu_sb_id;
479                 ++vf_sb_count(vf);
480         }
481 }
482
483 /* VFOP MAC/VLAN helpers */
484 static inline void bnx2x_vfop_credit(struct bnx2x *bp,
485                                      struct bnx2x_vfop *vfop,
486                                      struct bnx2x_vlan_mac_obj *obj)
487 {
488         struct bnx2x_vfop_args_filters *args = &vfop->args.filters;
489
490         /* update credit only if there is no error
491          * and a valid credit counter
492          */
493         if (!vfop->rc && args->credit) {
494                 int cnt = 0;
495                 struct list_head *pos;
496
497                 list_for_each(pos, &obj->head)
498                         cnt++;
499
500                 atomic_set(args->credit, cnt);
501         }
502 }
503
504 static int bnx2x_vfop_set_user_req(struct bnx2x *bp,
505                                     struct bnx2x_vfop_filter *pos,
506                                     struct bnx2x_vlan_mac_data *user_req)
507 {
508         user_req->cmd = pos->add ? BNX2X_VLAN_MAC_ADD :
509                 BNX2X_VLAN_MAC_DEL;
510
511         switch (pos->type) {
512         case BNX2X_VFOP_FILTER_MAC:
513                 memcpy(user_req->u.mac.mac, pos->mac, ETH_ALEN);
514                 break;
515         case BNX2X_VFOP_FILTER_VLAN:
516                 user_req->u.vlan.vlan = pos->vid;
517                 break;
518         default:
519                 BNX2X_ERR("Invalid filter type, skipping\n");
520                 return 1;
521         }
522         return 0;
523 }
524
525 static int
526 bnx2x_vfop_config_vlan0(struct bnx2x *bp,
527                         struct bnx2x_vlan_mac_ramrod_params *vlan_mac,
528                         bool add)
529 {
530         int rc;
531
532         vlan_mac->user_req.cmd = add ? BNX2X_VLAN_MAC_ADD :
533                 BNX2X_VLAN_MAC_DEL;
534         vlan_mac->user_req.u.vlan.vlan = 0;
535
536         rc = bnx2x_config_vlan_mac(bp, vlan_mac);
537         if (rc == -EEXIST)
538                 rc = 0;
539         return rc;
540 }
541
542 static int bnx2x_vfop_config_list(struct bnx2x *bp,
543                                   struct bnx2x_vfop_filters *filters,
544                                   struct bnx2x_vlan_mac_ramrod_params *vlan_mac)
545 {
546         struct bnx2x_vfop_filter *pos, *tmp;
547         struct list_head rollback_list, *filters_list = &filters->head;
548         struct bnx2x_vlan_mac_data *user_req = &vlan_mac->user_req;
549         int rc = 0, cnt = 0;
550
551         INIT_LIST_HEAD(&rollback_list);
552
553         list_for_each_entry_safe(pos, tmp, filters_list, link) {
554                 if (bnx2x_vfop_set_user_req(bp, pos, user_req))
555                         continue;
556
557                 rc = bnx2x_config_vlan_mac(bp, vlan_mac);
558                 if (rc >= 0) {
559                         cnt += pos->add ? 1 : -1;
560                         list_del(&pos->link);
561                         list_add(&pos->link, &rollback_list);
562                         rc = 0;
563                 } else if (rc == -EEXIST) {
564                         rc = 0;
565                 } else {
566                         BNX2X_ERR("Failed to add a new vlan_mac command\n");
567                         break;
568                 }
569         }
570
571         /* rollback if error or too many rules added */
572         if (rc || cnt > filters->add_cnt) {
573                 BNX2X_ERR("error or too many rules added. Performing rollback\n");
574                 list_for_each_entry_safe(pos, tmp, &rollback_list, link) {
575                         pos->add = !pos->add;   /* reverse op */
576                         bnx2x_vfop_set_user_req(bp, pos, user_req);
577                         bnx2x_config_vlan_mac(bp, vlan_mac);
578                         list_del(&pos->link);
579                 }
580                 cnt = 0;
581                 if (!rc)
582                         rc = -EINVAL;
583         }
584         filters->add_cnt = cnt;
585         return rc;
586 }
587
588 /* VFOP set VLAN/MAC */
589 static void bnx2x_vfop_vlan_mac(struct bnx2x *bp, struct bnx2x_virtf *vf)
590 {
591         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
592         struct bnx2x_vlan_mac_ramrod_params *vlan_mac = &vfop->op_p->vlan_mac;
593         struct bnx2x_vlan_mac_obj *obj = vlan_mac->vlan_mac_obj;
594         struct bnx2x_vfop_filters *filters = vfop->args.filters.multi_filter;
595
596         enum bnx2x_vfop_vlan_mac_state state = vfop->state;
597
598         if (vfop->rc < 0)
599                 goto op_err;
600
601         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
602
603         bnx2x_vfop_reset_wq(vf);
604
605         switch (state) {
606         case BNX2X_VFOP_VLAN_MAC_CLEAR:
607                 /* next state */
608                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
609
610                 /* do delete */
611                 vfop->rc = obj->delete_all(bp, obj,
612                                            &vlan_mac->user_req.vlan_mac_flags,
613                                            &vlan_mac->ramrod_flags);
614
615                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
616
617         case BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE:
618                 /* next state */
619                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
620
621                 /* do config */
622                 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
623                 if (vfop->rc == -EEXIST)
624                         vfop->rc = 0;
625
626                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
627
628         case BNX2X_VFOP_VLAN_MAC_CHK_DONE:
629                 vfop->rc = !!obj->raw.check_pending(&obj->raw);
630                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
631
632         case BNX2X_VFOP_MAC_CONFIG_LIST:
633                 /* next state */
634                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
635
636                 /* do list config */
637                 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
638                 if (vfop->rc)
639                         goto op_err;
640
641                 set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
642                 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
643                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
644
645         case BNX2X_VFOP_VLAN_CONFIG_LIST:
646                 /* next state */
647                 vfop->state = BNX2X_VFOP_VLAN_CONFIG_LIST_0;
648
649                 /* remove vlan0 - could be no-op */
650                 vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, false);
651                 if (vfop->rc)
652                         goto op_err;
653
654                 /* Do vlan list config. if this operation fails we try to
655                  * restore vlan0 to keep the queue is working order
656                  */
657                 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
658                 if (!vfop->rc) {
659                         set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
660                         vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
661                 }
662                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); /* fall-through */
663
664         case BNX2X_VFOP_VLAN_CONFIG_LIST_0:
665                 /* next state */
666                 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
667
668                 if (list_empty(&obj->head))
669                         /* add vlan0 */
670                         vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, true);
671                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
672
673         default:
674                 bnx2x_vfop_default(state);
675         }
676 op_err:
677         BNX2X_ERR("VLAN-MAC error: rc %d\n", vfop->rc);
678 op_done:
679         kfree(filters);
680         bnx2x_vfop_credit(bp, vfop, obj);
681         bnx2x_vfop_end(bp, vf, vfop);
682 op_pending:
683         return;
684 }
685
686 struct bnx2x_vfop_vlan_mac_flags {
687         bool drv_only;
688         bool dont_consume;
689         bool single_cmd;
690         bool add;
691 };
692
693 static void
694 bnx2x_vfop_vlan_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
695                                 struct bnx2x_vfop_vlan_mac_flags *flags)
696 {
697         struct bnx2x_vlan_mac_data *ureq = &ramrod->user_req;
698
699         memset(ramrod, 0, sizeof(*ramrod));
700
701         /* ramrod flags */
702         if (flags->drv_only)
703                 set_bit(RAMROD_DRV_CLR_ONLY, &ramrod->ramrod_flags);
704         if (flags->single_cmd)
705                 set_bit(RAMROD_EXEC, &ramrod->ramrod_flags);
706
707         /* mac_vlan flags */
708         if (flags->dont_consume)
709                 set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, &ureq->vlan_mac_flags);
710
711         /* cmd */
712         ureq->cmd = flags->add ? BNX2X_VLAN_MAC_ADD : BNX2X_VLAN_MAC_DEL;
713 }
714
715 static inline void
716 bnx2x_vfop_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
717                            struct bnx2x_vfop_vlan_mac_flags *flags)
718 {
719         bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, flags);
720         set_bit(BNX2X_ETH_MAC, &ramrod->user_req.vlan_mac_flags);
721 }
722
723 static int bnx2x_vfop_mac_delall_cmd(struct bnx2x *bp,
724                                      struct bnx2x_virtf *vf,
725                                      struct bnx2x_vfop_cmd *cmd,
726                                      int qid, bool drv_only)
727 {
728         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
729
730         if (vfop) {
731                 struct bnx2x_vfop_args_filters filters = {
732                         .multi_filter = NULL,   /* single */
733                         .credit = NULL,         /* consume credit */
734                 };
735                 struct bnx2x_vfop_vlan_mac_flags flags = {
736                         .drv_only = drv_only,
737                         .dont_consume = (filters.credit != NULL),
738                         .single_cmd = true,
739                         .add = false /* don't care */,
740                 };
741                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
742                         &vf->op_params.vlan_mac;
743
744                 /* set ramrod params */
745                 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
746
747                 /* set object */
748                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
749
750                 /* set extra args */
751                 vfop->args.filters = filters;
752
753                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
754                                  bnx2x_vfop_vlan_mac, cmd->done);
755                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
756                                              cmd->block);
757         }
758         return -ENOMEM;
759 }
760
761 int bnx2x_vfop_mac_list_cmd(struct bnx2x *bp,
762                             struct bnx2x_virtf *vf,
763                             struct bnx2x_vfop_cmd *cmd,
764                             struct bnx2x_vfop_filters *macs,
765                             int qid, bool drv_only)
766 {
767         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
768
769         if (vfop) {
770                 struct bnx2x_vfop_args_filters filters = {
771                         .multi_filter = macs,
772                         .credit = NULL,         /* consume credit */
773                 };
774                 struct bnx2x_vfop_vlan_mac_flags flags = {
775                         .drv_only = drv_only,
776                         .dont_consume = (filters.credit != NULL),
777                         .single_cmd = false,
778                         .add = false, /* don't care since only the items in the
779                                        * filters list affect the sp operation,
780                                        * not the list itself
781                                        */
782                 };
783                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
784                         &vf->op_params.vlan_mac;
785
786                 /* set ramrod params */
787                 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
788
789                 /* set object */
790                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
791
792                 /* set extra args */
793                 filters.multi_filter->add_cnt = BNX2X_VFOP_FILTER_ADD_CNT_MAX;
794                 vfop->args.filters = filters;
795
796                 bnx2x_vfop_opset(BNX2X_VFOP_MAC_CONFIG_LIST,
797                                  bnx2x_vfop_vlan_mac, cmd->done);
798                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
799                                              cmd->block);
800         }
801         return -ENOMEM;
802 }
803
804 int bnx2x_vfop_vlan_set_cmd(struct bnx2x *bp,
805                             struct bnx2x_virtf *vf,
806                             struct bnx2x_vfop_cmd *cmd,
807                             int qid, u16 vid, bool add)
808 {
809         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
810
811         if (vfop) {
812                 struct bnx2x_vfop_args_filters filters = {
813                         .multi_filter = NULL, /* single command */
814                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
815                 };
816                 struct bnx2x_vfop_vlan_mac_flags flags = {
817                         .drv_only = false,
818                         .dont_consume = (filters.credit != NULL),
819                         .single_cmd = true,
820                         .add = add,
821                 };
822                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
823                         &vf->op_params.vlan_mac;
824
825                 /* set ramrod params */
826                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
827                 ramrod->user_req.u.vlan.vlan = vid;
828
829                 /* set object */
830                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
831
832                 /* set extra args */
833                 vfop->args.filters = filters;
834
835                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE,
836                                  bnx2x_vfop_vlan_mac, cmd->done);
837                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
838                                              cmd->block);
839         }
840         return -ENOMEM;
841 }
842
843 static int bnx2x_vfop_vlan_delall_cmd(struct bnx2x *bp,
844                                struct bnx2x_virtf *vf,
845                                struct bnx2x_vfop_cmd *cmd,
846                                int qid, bool drv_only)
847 {
848         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
849
850         if (vfop) {
851                 struct bnx2x_vfop_args_filters filters = {
852                         .multi_filter = NULL, /* single command */
853                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
854                 };
855                 struct bnx2x_vfop_vlan_mac_flags flags = {
856                         .drv_only = drv_only,
857                         .dont_consume = (filters.credit != NULL),
858                         .single_cmd = true,
859                         .add = false, /* don't care */
860                 };
861                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
862                         &vf->op_params.vlan_mac;
863
864                 /* set ramrod params */
865                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
866
867                 /* set object */
868                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
869
870                 /* set extra args */
871                 vfop->args.filters = filters;
872
873                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
874                                  bnx2x_vfop_vlan_mac, cmd->done);
875                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
876                                              cmd->block);
877         }
878         return -ENOMEM;
879 }
880
881 int bnx2x_vfop_vlan_list_cmd(struct bnx2x *bp,
882                              struct bnx2x_virtf *vf,
883                              struct bnx2x_vfop_cmd *cmd,
884                              struct bnx2x_vfop_filters *vlans,
885                              int qid, bool drv_only)
886 {
887         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
888
889         if (vfop) {
890                 struct bnx2x_vfop_args_filters filters = {
891                         .multi_filter = vlans,
892                         .credit = &bnx2x_vfq(vf, qid, vlan_count),
893                 };
894                 struct bnx2x_vfop_vlan_mac_flags flags = {
895                         .drv_only = drv_only,
896                         .dont_consume = (filters.credit != NULL),
897                         .single_cmd = false,
898                         .add = false, /* don't care */
899                 };
900                 struct bnx2x_vlan_mac_ramrod_params *ramrod =
901                         &vf->op_params.vlan_mac;
902
903                 /* set ramrod params */
904                 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
905
906                 /* set object */
907                 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
908
909                 /* set extra args */
910                 filters.multi_filter->add_cnt = vf_vlan_rules_cnt(vf) -
911                         atomic_read(filters.credit);
912
913                 vfop->args.filters = filters;
914
915                 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_CONFIG_LIST,
916                                  bnx2x_vfop_vlan_mac, cmd->done);
917                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
918                                              cmd->block);
919         }
920         return -ENOMEM;
921 }
922
923 /* VFOP queue setup (queue constructor + set vlan 0) */
924 static void bnx2x_vfop_qsetup(struct bnx2x *bp, struct bnx2x_virtf *vf)
925 {
926         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
927         int qid = vfop->args.qctor.qid;
928         enum bnx2x_vfop_qsetup_state state = vfop->state;
929         struct bnx2x_vfop_cmd cmd = {
930                 .done = bnx2x_vfop_qsetup,
931                 .block = false,
932         };
933
934         if (vfop->rc < 0)
935                 goto op_err;
936
937         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
938
939         switch (state) {
940         case BNX2X_VFOP_QSETUP_CTOR:
941                 /* init the queue ctor command */
942                 vfop->state = BNX2X_VFOP_QSETUP_VLAN0;
943                 vfop->rc = bnx2x_vfop_qctor_cmd(bp, vf, &cmd, qid);
944                 if (vfop->rc)
945                         goto op_err;
946                 return;
947
948         case BNX2X_VFOP_QSETUP_VLAN0:
949                 /* skip if non-leading or FPGA/EMU*/
950                 if (qid)
951                         goto op_done;
952
953                 /* init the queue set-vlan command (for vlan 0) */
954                 vfop->state = BNX2X_VFOP_QSETUP_DONE;
955                 vfop->rc = bnx2x_vfop_vlan_set_cmd(bp, vf, &cmd, qid, 0, true);
956                 if (vfop->rc)
957                         goto op_err;
958                 return;
959 op_err:
960         BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf->abs_vfid, qid, vfop->rc);
961 op_done:
962         case BNX2X_VFOP_QSETUP_DONE:
963                 vf->cfg_flags |= VF_CFG_VLAN;
964                 smp_mb__before_clear_bit();
965                 set_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN,
966                         &bp->sp_rtnl_state);
967                 smp_mb__after_clear_bit();
968                 schedule_delayed_work(&bp->sp_rtnl_task, 0);
969                 bnx2x_vfop_end(bp, vf, vfop);
970                 return;
971         default:
972                 bnx2x_vfop_default(state);
973         }
974 }
975
976 int bnx2x_vfop_qsetup_cmd(struct bnx2x *bp,
977                           struct bnx2x_virtf *vf,
978                           struct bnx2x_vfop_cmd *cmd,
979                           int qid)
980 {
981         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
982
983         if (vfop) {
984                 vfop->args.qctor.qid = qid;
985
986                 bnx2x_vfop_opset(BNX2X_VFOP_QSETUP_CTOR,
987                                  bnx2x_vfop_qsetup, cmd->done);
988                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qsetup,
989                                              cmd->block);
990         }
991         return -ENOMEM;
992 }
993
994 /* VFOP queue FLR handling (clear vlans, clear macs, queue destructor) */
995 static void bnx2x_vfop_qflr(struct bnx2x *bp, struct bnx2x_virtf *vf)
996 {
997         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
998         int qid = vfop->args.qx.qid;
999         enum bnx2x_vfop_qflr_state state = vfop->state;
1000         struct bnx2x_queue_state_params *qstate;
1001         struct bnx2x_vfop_cmd cmd;
1002
1003         bnx2x_vfop_reset_wq(vf);
1004
1005         if (vfop->rc < 0)
1006                 goto op_err;
1007
1008         DP(BNX2X_MSG_IOV, "VF[%d] STATE: %d\n", vf->abs_vfid, state);
1009
1010         cmd.done = bnx2x_vfop_qflr;
1011         cmd.block = false;
1012
1013         switch (state) {
1014         case BNX2X_VFOP_QFLR_CLR_VLAN:
1015                 /* vlan-clear-all: driver-only, don't consume credit */
1016                 vfop->state = BNX2X_VFOP_QFLR_CLR_MAC;
1017                 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, true);
1018                 if (vfop->rc)
1019                         goto op_err;
1020                 return;
1021
1022         case BNX2X_VFOP_QFLR_CLR_MAC:
1023                 /* mac-clear-all: driver only consume credit */
1024                 vfop->state = BNX2X_VFOP_QFLR_TERMINATE;
1025                 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, true);
1026                 DP(BNX2X_MSG_IOV,
1027                    "VF[%d] vfop->rc after bnx2x_vfop_mac_delall_cmd was %d",
1028                    vf->abs_vfid, vfop->rc);
1029                 if (vfop->rc)
1030                         goto op_err;
1031                 return;
1032
1033         case BNX2X_VFOP_QFLR_TERMINATE:
1034                 qstate = &vfop->op_p->qctor.qstate;
1035                 memset(qstate , 0, sizeof(*qstate));
1036                 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
1037                 vfop->state = BNX2X_VFOP_QFLR_DONE;
1038
1039                 DP(BNX2X_MSG_IOV, "VF[%d] qstate during flr was %d\n",
1040                    vf->abs_vfid, qstate->q_obj->state);
1041
1042                 if (qstate->q_obj->state != BNX2X_Q_STATE_RESET) {
1043                         qstate->q_obj->state = BNX2X_Q_STATE_STOPPED;
1044                         qstate->cmd = BNX2X_Q_CMD_TERMINATE;
1045                         vfop->rc = bnx2x_queue_state_change(bp, qstate);
1046                         bnx2x_vfop_finalize(vf, vfop->rc, VFOP_VERIFY_PEND);
1047                 } else {
1048                         goto op_done;
1049                 }
1050
1051 op_err:
1052         BNX2X_ERR("QFLR[%d:%d] error: rc %d\n",
1053                   vf->abs_vfid, qid, vfop->rc);
1054 op_done:
1055         case BNX2X_VFOP_QFLR_DONE:
1056                 bnx2x_vfop_end(bp, vf, vfop);
1057                 return;
1058         default:
1059                 bnx2x_vfop_default(state);
1060         }
1061 op_pending:
1062         return;
1063 }
1064
1065 static int bnx2x_vfop_qflr_cmd(struct bnx2x *bp,
1066                                struct bnx2x_virtf *vf,
1067                                struct bnx2x_vfop_cmd *cmd,
1068                                int qid)
1069 {
1070         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1071
1072         if (vfop) {
1073                 vfop->args.qx.qid = qid;
1074                 bnx2x_vfop_opset(BNX2X_VFOP_QFLR_CLR_VLAN,
1075                                  bnx2x_vfop_qflr, cmd->done);
1076                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qflr,
1077                                              cmd->block);
1078         }
1079         return -ENOMEM;
1080 }
1081
1082 /* VFOP multi-casts */
1083 static void bnx2x_vfop_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf)
1084 {
1085         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1086         struct bnx2x_mcast_ramrod_params *mcast = &vfop->op_p->mcast;
1087         struct bnx2x_raw_obj *raw = &mcast->mcast_obj->raw;
1088         struct bnx2x_vfop_args_mcast *args = &vfop->args.mc_list;
1089         enum bnx2x_vfop_mcast_state state = vfop->state;
1090         int i;
1091
1092         bnx2x_vfop_reset_wq(vf);
1093
1094         if (vfop->rc < 0)
1095                 goto op_err;
1096
1097         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1098
1099         switch (state) {
1100         case BNX2X_VFOP_MCAST_DEL:
1101                 /* clear existing mcasts */
1102                 vfop->state = BNX2X_VFOP_MCAST_ADD;
1103                 vfop->rc = bnx2x_config_mcast(bp, mcast, BNX2X_MCAST_CMD_DEL);
1104                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1105
1106         case BNX2X_VFOP_MCAST_ADD:
1107                 if (raw->check_pending(raw))
1108                         goto op_pending;
1109
1110                 if (args->mc_num) {
1111                         /* update mcast list on the ramrod params */
1112                         INIT_LIST_HEAD(&mcast->mcast_list);
1113                         for (i = 0; i < args->mc_num; i++)
1114                                 list_add_tail(&(args->mc[i].link),
1115                                               &mcast->mcast_list);
1116                         /* add new mcasts */
1117                         vfop->state = BNX2X_VFOP_MCAST_CHK_DONE;
1118                         vfop->rc = bnx2x_config_mcast(bp, mcast,
1119                                                       BNX2X_MCAST_CMD_ADD);
1120                 }
1121                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1122
1123         case BNX2X_VFOP_MCAST_CHK_DONE:
1124                 vfop->rc = raw->check_pending(raw) ? 1 : 0;
1125                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1126         default:
1127                 bnx2x_vfop_default(state);
1128         }
1129 op_err:
1130         BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop->rc);
1131 op_done:
1132         kfree(args->mc);
1133         bnx2x_vfop_end(bp, vf, vfop);
1134 op_pending:
1135         return;
1136 }
1137
1138 int bnx2x_vfop_mcast_cmd(struct bnx2x *bp,
1139                          struct bnx2x_virtf *vf,
1140                          struct bnx2x_vfop_cmd *cmd,
1141                          bnx2x_mac_addr_t *mcasts,
1142                          int mcast_num, bool drv_only)
1143 {
1144         struct bnx2x_vfop *vfop = NULL;
1145         size_t mc_sz = mcast_num * sizeof(struct bnx2x_mcast_list_elem);
1146         struct bnx2x_mcast_list_elem *mc = mc_sz ? kzalloc(mc_sz, GFP_KERNEL) :
1147                                            NULL;
1148
1149         if (!mc_sz || mc) {
1150                 vfop = bnx2x_vfop_add(bp, vf);
1151                 if (vfop) {
1152                         int i;
1153                         struct bnx2x_mcast_ramrod_params *ramrod =
1154                                 &vf->op_params.mcast;
1155
1156                         /* set ramrod params */
1157                         memset(ramrod, 0, sizeof(*ramrod));
1158                         ramrod->mcast_obj = &vf->mcast_obj;
1159                         if (drv_only)
1160                                 set_bit(RAMROD_DRV_CLR_ONLY,
1161                                         &ramrod->ramrod_flags);
1162
1163                         /* copy mcasts pointers */
1164                         vfop->args.mc_list.mc_num = mcast_num;
1165                         vfop->args.mc_list.mc = mc;
1166                         for (i = 0; i < mcast_num; i++)
1167                                 mc[i].mac = mcasts[i];
1168
1169                         bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL,
1170                                          bnx2x_vfop_mcast, cmd->done);
1171                         return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mcast,
1172                                                      cmd->block);
1173                 } else {
1174                         kfree(mc);
1175                 }
1176         }
1177         return -ENOMEM;
1178 }
1179
1180 /* VFOP rx-mode */
1181 static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf)
1182 {
1183         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1184         struct bnx2x_rx_mode_ramrod_params *ramrod = &vfop->op_p->rx_mode;
1185         enum bnx2x_vfop_rxmode_state state = vfop->state;
1186
1187         bnx2x_vfop_reset_wq(vf);
1188
1189         if (vfop->rc < 0)
1190                 goto op_err;
1191
1192         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1193
1194         switch (state) {
1195         case BNX2X_VFOP_RXMODE_CONFIG:
1196                 /* next state */
1197                 vfop->state = BNX2X_VFOP_RXMODE_DONE;
1198
1199                 vfop->rc = bnx2x_config_rx_mode(bp, ramrod);
1200                 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1201 op_err:
1202                 BNX2X_ERR("RXMODE error: rc %d\n", vfop->rc);
1203 op_done:
1204         case BNX2X_VFOP_RXMODE_DONE:
1205                 bnx2x_vfop_end(bp, vf, vfop);
1206                 return;
1207         default:
1208                 bnx2x_vfop_default(state);
1209         }
1210 op_pending:
1211         return;
1212 }
1213
1214 int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp,
1215                           struct bnx2x_virtf *vf,
1216                           struct bnx2x_vfop_cmd *cmd,
1217                           int qid, unsigned long accept_flags)
1218 {
1219         struct bnx2x_vf_queue *vfq = vfq_get(vf, qid);
1220         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1221
1222         if (vfop) {
1223                 struct bnx2x_rx_mode_ramrod_params *ramrod =
1224                         &vf->op_params.rx_mode;
1225
1226                 memset(ramrod, 0, sizeof(*ramrod));
1227
1228                 /* Prepare ramrod parameters */
1229                 ramrod->cid = vfq->cid;
1230                 ramrod->cl_id = vfq_cl_id(vf, vfq);
1231                 ramrod->rx_mode_obj = &bp->rx_mode_obj;
1232                 ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid);
1233
1234                 ramrod->rx_accept_flags = accept_flags;
1235                 ramrod->tx_accept_flags = accept_flags;
1236                 ramrod->pstate = &vf->filter_state;
1237                 ramrod->state = BNX2X_FILTER_RX_MODE_PENDING;
1238
1239                 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
1240                 set_bit(RAMROD_RX, &ramrod->ramrod_flags);
1241                 set_bit(RAMROD_TX, &ramrod->ramrod_flags);
1242
1243                 ramrod->rdata =
1244                         bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2);
1245                 ramrod->rdata_mapping =
1246                         bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2);
1247
1248                 bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG,
1249                                  bnx2x_vfop_rxmode, cmd->done);
1250                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rxmode,
1251                                              cmd->block);
1252         }
1253         return -ENOMEM;
1254 }
1255
1256 /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs,
1257  * queue destructor)
1258  */
1259 static void bnx2x_vfop_qdown(struct bnx2x *bp, struct bnx2x_virtf *vf)
1260 {
1261         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1262         int qid = vfop->args.qx.qid;
1263         enum bnx2x_vfop_qteardown_state state = vfop->state;
1264         struct bnx2x_vfop_cmd cmd;
1265
1266         if (vfop->rc < 0)
1267                 goto op_err;
1268
1269         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1270
1271         cmd.done = bnx2x_vfop_qdown;
1272         cmd.block = false;
1273
1274         switch (state) {
1275         case BNX2X_VFOP_QTEARDOWN_RXMODE:
1276                 /* Drop all */
1277                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_VLAN;
1278                 vfop->rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, qid, 0);
1279                 if (vfop->rc)
1280                         goto op_err;
1281                 return;
1282
1283         case BNX2X_VFOP_QTEARDOWN_CLR_VLAN:
1284                 /* vlan-clear-all: don't consume credit */
1285                 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MAC;
1286                 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, false);
1287                 if (vfop->rc)
1288                         goto op_err;
1289                 return;
1290
1291         case BNX2X_VFOP_QTEARDOWN_CLR_MAC:
1292                 /* mac-clear-all: consume credit */
1293                 vfop->state = BNX2X_VFOP_QTEARDOWN_QDTOR;
1294                 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, false);
1295                 if (vfop->rc)
1296                         goto op_err;
1297                 return;
1298
1299         case BNX2X_VFOP_QTEARDOWN_QDTOR:
1300                 /* run the queue destruction flow */
1301                 DP(BNX2X_MSG_IOV, "case: BNX2X_VFOP_QTEARDOWN_QDTOR\n");
1302                 vfop->state = BNX2X_VFOP_QTEARDOWN_DONE;
1303                 DP(BNX2X_MSG_IOV, "new state: BNX2X_VFOP_QTEARDOWN_DONE\n");
1304                 vfop->rc = bnx2x_vfop_qdtor_cmd(bp, vf, &cmd, qid);
1305                 DP(BNX2X_MSG_IOV, "returned from cmd\n");
1306                 if (vfop->rc)
1307                         goto op_err;
1308                 return;
1309 op_err:
1310         BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n",
1311                   vf->abs_vfid, qid, vfop->rc);
1312
1313         case BNX2X_VFOP_QTEARDOWN_DONE:
1314                 bnx2x_vfop_end(bp, vf, vfop);
1315                 return;
1316         default:
1317                 bnx2x_vfop_default(state);
1318         }
1319 }
1320
1321 int bnx2x_vfop_qdown_cmd(struct bnx2x *bp,
1322                          struct bnx2x_virtf *vf,
1323                          struct bnx2x_vfop_cmd *cmd,
1324                          int qid)
1325 {
1326         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1327
1328         if (vfop) {
1329                 vfop->args.qx.qid = qid;
1330                 bnx2x_vfop_opset(BNX2X_VFOP_QTEARDOWN_RXMODE,
1331                                  bnx2x_vfop_qdown, cmd->done);
1332                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdown,
1333                                              cmd->block);
1334         }
1335
1336         return -ENOMEM;
1337 }
1338
1339 /* VF enable primitives
1340  * when pretend is required the caller is responsible
1341  * for calling pretend prior to calling these routines
1342  */
1343
1344 /* internal vf enable - until vf is enabled internally all transactions
1345  * are blocked. this routine should always be called last with pretend.
1346  */
1347 static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable)
1348 {
1349         REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0);
1350 }
1351
1352 /* clears vf error in all semi blocks */
1353 static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid)
1354 {
1355         REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid);
1356         REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid);
1357         REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid);
1358         REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid);
1359 }
1360
1361 static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid)
1362 {
1363         u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5;
1364         u32 was_err_reg = 0;
1365
1366         switch (was_err_group) {
1367         case 0:
1368             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR;
1369             break;
1370         case 1:
1371             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR;
1372             break;
1373         case 2:
1374             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR;
1375             break;
1376         case 3:
1377             was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR;
1378             break;
1379         }
1380         REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f));
1381 }
1382
1383 static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf)
1384 {
1385         int i;
1386         u32 val;
1387
1388         /* Set VF masks and configuration - pretend */
1389         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1390
1391         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
1392         REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
1393         REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
1394         REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
1395         REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
1396         REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
1397
1398         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
1399         val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN);
1400         if (vf->cfg_flags & VF_CFG_INT_SIMD)
1401                 val |= IGU_VF_CONF_SINGLE_ISR_EN;
1402         val &= ~IGU_VF_CONF_PARENT_MASK;
1403         val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */
1404         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
1405
1406         DP(BNX2X_MSG_IOV,
1407            "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n",
1408            vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION));
1409
1410         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1411
1412         /* iterate over all queues, clear sb consumer */
1413         for (i = 0; i < vf_sb_count(vf); i++) {
1414                 u8 igu_sb_id = vf_igu_sb(vf, i);
1415
1416                 /* zero prod memory */
1417                 REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0);
1418
1419                 /* clear sb state machine */
1420                 bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id,
1421                                        false /* VF */);
1422
1423                 /* disable + update */
1424                 bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0,
1425                                     IGU_INT_DISABLE, 1);
1426         }
1427 }
1428
1429 void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid)
1430 {
1431         /* set the VF-PF association in the FW */
1432         storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp));
1433         storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1);
1434
1435         /* clear vf errors*/
1436         bnx2x_vf_semi_clear_err(bp, abs_vfid);
1437         bnx2x_vf_pglue_clear_err(bp, abs_vfid);
1438
1439         /* internal vf-enable - pretend */
1440         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid));
1441         DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid);
1442         bnx2x_vf_enable_internal(bp, true);
1443         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1444 }
1445
1446 static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf)
1447 {
1448         /* Reset vf in IGU  interrupts are still disabled */
1449         bnx2x_vf_igu_reset(bp, vf);
1450
1451         /* pretend to enable the vf with the PBF */
1452         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1453         REG_WR(bp, PBF_REG_DISABLE_VF, 0);
1454         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1455 }
1456
1457 static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid)
1458 {
1459         struct pci_dev *dev;
1460         struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
1461
1462         if (!vf)
1463                 goto unknown_dev;
1464
1465         dev = pci_get_bus_and_slot(vf->bus, vf->devfn);
1466         if (dev)
1467                 return bnx2x_is_pcie_pending(dev);
1468
1469 unknown_dev:
1470         BNX2X_ERR("Unknown device\n");
1471         return false;
1472 }
1473
1474 int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid)
1475 {
1476         /* Wait 100ms */
1477         msleep(100);
1478
1479         /* Verify no pending pci transactions */
1480         if (bnx2x_vf_is_pcie_pending(bp, abs_vfid))
1481                 BNX2X_ERR("PCIE Transactions still pending\n");
1482
1483         return 0;
1484 }
1485
1486 /* must be called after the number of PF queues and the number of VFs are
1487  * both known
1488  */
1489 static void
1490 bnx2x_iov_static_resc(struct bnx2x *bp, struct vf_pf_resc_request *resc)
1491 {
1492         u16 vlan_count = 0;
1493
1494         /* will be set only during VF-ACQUIRE */
1495         resc->num_rxqs = 0;
1496         resc->num_txqs = 0;
1497
1498         /* no credit calculcis for macs (just yet) */
1499         resc->num_mac_filters = 1;
1500
1501         /* divvy up vlan rules */
1502         vlan_count = bp->vlans_pool.check(&bp->vlans_pool);
1503         vlan_count = 1 << ilog2(vlan_count);
1504         resc->num_vlan_filters = vlan_count / BNX2X_NR_VIRTFN(bp);
1505
1506         /* no real limitation */
1507         resc->num_mc_filters = 0;
1508
1509         /* num_sbs already set */
1510 }
1511
1512 /* FLR routines: */
1513 static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1514 {
1515         /* reset the state variables */
1516         bnx2x_iov_static_resc(bp, &vf->alloc_resc);
1517         vf->state = VF_FREE;
1518 }
1519
1520 static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf)
1521 {
1522         u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1523
1524         /* DQ usage counter */
1525         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1526         bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT,
1527                                         "DQ VF usage counter timed out",
1528                                         poll_cnt);
1529         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1530
1531         /* FW cleanup command - poll for the results */
1532         if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid),
1533                                    poll_cnt))
1534                 BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid);
1535
1536         /* verify TX hw is flushed */
1537         bnx2x_tx_hw_flushed(bp, poll_cnt);
1538 }
1539
1540 static void bnx2x_vfop_flr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1541 {
1542         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1543         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
1544         enum bnx2x_vfop_flr_state state = vfop->state;
1545         struct bnx2x_vfop_cmd cmd = {
1546                 .done = bnx2x_vfop_flr,
1547                 .block = false,
1548         };
1549
1550         if (vfop->rc < 0)
1551                 goto op_err;
1552
1553         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1554
1555         switch (state) {
1556         case BNX2X_VFOP_FLR_QUEUES:
1557                 /* the cleanup operations are valid if and only if the VF
1558                  * was first acquired.
1559                  */
1560                 if (++(qx->qid) < vf_rxq_count(vf)) {
1561                         vfop->rc = bnx2x_vfop_qflr_cmd(bp, vf, &cmd,
1562                                                        qx->qid);
1563                         if (vfop->rc)
1564                                 goto op_err;
1565                         return;
1566                 }
1567                 /* remove multicasts */
1568                 vfop->state = BNX2X_VFOP_FLR_HW;
1569                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL,
1570                                                 0, true);
1571                 if (vfop->rc)
1572                         goto op_err;
1573                 return;
1574         case BNX2X_VFOP_FLR_HW:
1575
1576                 /* dispatch final cleanup and wait for HW queues to flush */
1577                 bnx2x_vf_flr_clnup_hw(bp, vf);
1578
1579                 /* release VF resources */
1580                 bnx2x_vf_free_resc(bp, vf);
1581
1582                 /* re-open the mailbox */
1583                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
1584
1585                 goto op_done;
1586         default:
1587                 bnx2x_vfop_default(state);
1588         }
1589 op_err:
1590         BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf->abs_vfid, vfop->rc);
1591 op_done:
1592         vf->flr_clnup_stage = VF_FLR_ACK;
1593         bnx2x_vfop_end(bp, vf, vfop);
1594         bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1595 }
1596
1597 static int bnx2x_vfop_flr_cmd(struct bnx2x *bp,
1598                               struct bnx2x_virtf *vf,
1599                               vfop_handler_t done)
1600 {
1601         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1602         if (vfop) {
1603                 vfop->args.qx.qid = -1; /* loop */
1604                 bnx2x_vfop_opset(BNX2X_VFOP_FLR_QUEUES,
1605                                  bnx2x_vfop_flr, done);
1606                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_flr, false);
1607         }
1608         return -ENOMEM;
1609 }
1610
1611 static void bnx2x_vf_flr_clnup(struct bnx2x *bp, struct bnx2x_virtf *prev_vf)
1612 {
1613         int i = prev_vf ? prev_vf->index + 1 : 0;
1614         struct bnx2x_virtf *vf;
1615
1616         /* find next VF to cleanup */
1617 next_vf_to_clean:
1618         for (;
1619              i < BNX2X_NR_VIRTFN(bp) &&
1620              (bnx2x_vf(bp, i, state) != VF_RESET ||
1621               bnx2x_vf(bp, i, flr_clnup_stage) != VF_FLR_CLN);
1622              i++)
1623                 ;
1624
1625         DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. num of vfs: %d\n", i,
1626            BNX2X_NR_VIRTFN(bp));
1627
1628         if (i < BNX2X_NR_VIRTFN(bp)) {
1629                 vf = BP_VF(bp, i);
1630
1631                 /* lock the vf pf channel */
1632                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1633
1634                 /* invoke the VF FLR SM */
1635                 if (bnx2x_vfop_flr_cmd(bp, vf, bnx2x_vf_flr_clnup)) {
1636                         BNX2X_ERR("VF[%d]: FLR cleanup failed -ENOMEM\n",
1637                                   vf->abs_vfid);
1638
1639                         /* mark the VF to be ACKED and continue */
1640                         vf->flr_clnup_stage = VF_FLR_ACK;
1641                         goto next_vf_to_clean;
1642                 }
1643                 return;
1644         }
1645
1646         /* we are done, update vf records */
1647         for_each_vf(bp, i) {
1648                 vf = BP_VF(bp, i);
1649
1650                 if (vf->flr_clnup_stage != VF_FLR_ACK)
1651                         continue;
1652
1653                 vf->flr_clnup_stage = VF_FLR_EPILOG;
1654         }
1655
1656         /* Acknowledge the handled VFs.
1657          * we are acknowledge all the vfs which an flr was requested for, even
1658          * if amongst them there are such that we never opened, since the mcp
1659          * will interrupt us immediately again if we only ack some of the bits,
1660          * resulting in an endless loop. This can happen for example in KVM
1661          * where an 'all ones' flr request is sometimes given by hyper visor
1662          */
1663         DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n",
1664            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1665         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1666                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i],
1667                           bp->vfdb->flrd_vfs[i]);
1668
1669         bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0);
1670
1671         /* clear the acked bits - better yet if the MCP implemented
1672          * write to clear semantics
1673          */
1674         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1675                 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0);
1676 }
1677
1678 void bnx2x_vf_handle_flr_event(struct bnx2x *bp)
1679 {
1680         int i;
1681
1682         /* Read FLR'd VFs */
1683         for (i = 0; i < FLRD_VFS_DWORDS; i++)
1684                 bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]);
1685
1686         DP(BNX2X_MSG_MCP,
1687            "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n",
1688            bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1689
1690         for_each_vf(bp, i) {
1691                 struct bnx2x_virtf *vf = BP_VF(bp, i);
1692                 u32 reset = 0;
1693
1694                 if (vf->abs_vfid < 32)
1695                         reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid);
1696                 else
1697                         reset = bp->vfdb->flrd_vfs[1] &
1698                                 (1 << (vf->abs_vfid - 32));
1699
1700                 if (reset) {
1701                         /* set as reset and ready for cleanup */
1702                         vf->state = VF_RESET;
1703                         vf->flr_clnup_stage = VF_FLR_CLN;
1704
1705                         DP(BNX2X_MSG_IOV,
1706                            "Initiating Final cleanup for VF %d\n",
1707                            vf->abs_vfid);
1708                 }
1709         }
1710
1711         /* do the FLR cleanup for all marked VFs*/
1712         bnx2x_vf_flr_clnup(bp, NULL);
1713 }
1714
1715 /* IOV global initialization routines  */
1716 void bnx2x_iov_init_dq(struct bnx2x *bp)
1717 {
1718         if (!IS_SRIOV(bp))
1719                 return;
1720
1721         /* Set the DQ such that the CID reflect the abs_vfid */
1722         REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0);
1723         REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS));
1724
1725         /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to
1726          * the PF L2 queues
1727          */
1728         REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID);
1729
1730         /* The VF window size is the log2 of the max number of CIDs per VF */
1731         REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND);
1732
1733         /* The VF doorbell size  0 - *B, 4 - 128B. We set it here to match
1734          * the Pf doorbell size although the 2 are independent.
1735          */
1736         REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST,
1737                BNX2X_DB_SHIFT - BNX2X_DB_MIN_SHIFT);
1738
1739         /* No security checks for now -
1740          * configure single rule (out of 16) mask = 0x1, value = 0x0,
1741          * CID range 0 - 0x1ffff
1742          */
1743         REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1);
1744         REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0);
1745         REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0);
1746         REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff);
1747
1748         /* set the number of VF alllowed doorbells to the full DQ range */
1749         REG_WR(bp, DORQ_REG_VF_NORM_MAX_CID_COUNT, 0x20000);
1750
1751         /* set the VF doorbell threshold */
1752         REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4);
1753 }
1754
1755 void bnx2x_iov_init_dmae(struct bnx2x *bp)
1756 {
1757         DP(BNX2X_MSG_IOV, "SRIOV is %s\n", IS_SRIOV(bp) ? "ON" : "OFF");
1758         if (!IS_SRIOV(bp))
1759                 return;
1760
1761         REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
1762 }
1763
1764 static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
1765 {
1766         struct pci_dev *dev = bp->pdev;
1767         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1768
1769         return dev->bus->number + ((dev->devfn + iov->offset +
1770                                     iov->stride * vfid) >> 8);
1771 }
1772
1773 static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid)
1774 {
1775         struct pci_dev *dev = bp->pdev;
1776         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1777
1778         return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff;
1779 }
1780
1781 static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf)
1782 {
1783         int i, n;
1784         struct pci_dev *dev = bp->pdev;
1785         struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1786
1787         for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) {
1788                 u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i);
1789                 u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i);
1790
1791                 size /= iov->total;
1792                 vf->bars[n].bar = start + size * vf->abs_vfid;
1793                 vf->bars[n].size = size;
1794         }
1795 }
1796
1797 static int bnx2x_ari_enabled(struct pci_dev *dev)
1798 {
1799         return dev->bus->self && dev->bus->self->ari_enabled;
1800 }
1801
1802 static void
1803 bnx2x_get_vf_igu_cam_info(struct bnx2x *bp)
1804 {
1805         int sb_id;
1806         u32 val;
1807         u8 fid;
1808
1809         /* IGU in normal mode - read CAM */
1810         for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) {
1811                 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4);
1812                 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
1813                         continue;
1814                 fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID);
1815                 if (!(fid & IGU_FID_ENCODE_IS_PF))
1816                         bnx2x_vf_set_igu_info(bp, sb_id,
1817                                               (fid & IGU_FID_VF_NUM_MASK));
1818
1819                 DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n",
1820                    ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"),
1821                    ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) :
1822                    (fid & IGU_FID_VF_NUM_MASK)), sb_id,
1823                    GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR));
1824         }
1825 }
1826
1827 static void __bnx2x_iov_free_vfdb(struct bnx2x *bp)
1828 {
1829         if (bp->vfdb) {
1830                 kfree(bp->vfdb->vfqs);
1831                 kfree(bp->vfdb->vfs);
1832                 kfree(bp->vfdb);
1833         }
1834         bp->vfdb = NULL;
1835 }
1836
1837 static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1838 {
1839         int pos;
1840         struct pci_dev *dev = bp->pdev;
1841
1842         pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
1843         if (!pos) {
1844                 BNX2X_ERR("failed to find SRIOV capability in device\n");
1845                 return -ENODEV;
1846         }
1847
1848         iov->pos = pos;
1849         DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos);
1850         pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
1851         pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total);
1852         pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial);
1853         pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
1854         pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
1855         pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
1856         pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap);
1857         pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
1858
1859         return 0;
1860 }
1861
1862 static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1863 {
1864         u32 val;
1865
1866         /* read the SRIOV capability structure
1867          * The fields can be read via configuration read or
1868          * directly from the device (starting at offset PCICFG_OFFSET)
1869          */
1870         if (bnx2x_sriov_pci_cfg_info(bp, iov))
1871                 return -ENODEV;
1872
1873         /* get the number of SRIOV bars */
1874         iov->nres = 0;
1875
1876         /* read the first_vfid */
1877         val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF);
1878         iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK)
1879                                * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp));
1880
1881         DP(BNX2X_MSG_IOV,
1882            "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",
1883            BP_FUNC(bp),
1884            iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total,
1885            iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
1886
1887         return 0;
1888 }
1889
1890 static u8 bnx2x_iov_get_max_queue_count(struct bnx2x *bp)
1891 {
1892         int i;
1893         u8 queue_count = 0;
1894
1895         if (IS_SRIOV(bp))
1896                 for_each_vf(bp, i)
1897                         queue_count += bnx2x_vf(bp, i, alloc_resc.num_sbs);
1898
1899         return queue_count;
1900 }
1901
1902 /* must be called after PF bars are mapped */
1903 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
1904                         int num_vfs_param)
1905 {
1906         int err, i, qcount;
1907         struct bnx2x_sriov *iov;
1908         struct pci_dev *dev = bp->pdev;
1909
1910         bp->vfdb = NULL;
1911
1912         /* verify is pf */
1913         if (IS_VF(bp))
1914                 return 0;
1915
1916         /* verify sriov capability is present in configuration space */
1917         if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV))
1918                 return 0;
1919
1920         /* verify chip revision */
1921         if (CHIP_IS_E1x(bp))
1922                 return 0;
1923
1924         /* check if SRIOV support is turned off */
1925         if (!num_vfs_param)
1926                 return 0;
1927
1928         /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */
1929         if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) {
1930                 BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n",
1931                           BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID);
1932                 return 0;
1933         }
1934
1935         /* SRIOV can be enabled only with MSIX */
1936         if (int_mode_param == BNX2X_INT_MODE_MSI ||
1937             int_mode_param == BNX2X_INT_MODE_INTX)
1938                 BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n");
1939
1940         err = -EIO;
1941         /* verify ari is enabled */
1942         if (!bnx2x_ari_enabled(bp->pdev)) {
1943                 BNX2X_ERR("ARI not supported, SRIOV can not be enabled\n");
1944                 return err;
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 err;
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         /* calculate the actual number of VFs */
1976         iov->nr_virtfn = min_t(u16, iov->total, (u16)num_vfs_param);
1977
1978         /* allocate the vf array */
1979         bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) *
1980                                 BNX2X_NR_VIRTFN(bp), GFP_KERNEL);
1981         if (!bp->vfdb->vfs) {
1982                 BNX2X_ERR("failed to allocate vf array\n");
1983                 err = -ENOMEM;
1984                 goto failed;
1985         }
1986
1987         /* Initial VF init - index and abs_vfid - nr_virtfn must be set */
1988         for_each_vf(bp, i) {
1989                 bnx2x_vf(bp, i, index) = i;
1990                 bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i;
1991                 bnx2x_vf(bp, i, state) = VF_FREE;
1992                 INIT_LIST_HEAD(&bnx2x_vf(bp, i, op_list_head));
1993                 mutex_init(&bnx2x_vf(bp, i, op_mutex));
1994                 bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE;
1995         }
1996
1997         /* re-read the IGU CAM for VFs - index and abs_vfid must be set */
1998         bnx2x_get_vf_igu_cam_info(bp);
1999
2000         /* get the total queue count and allocate the global queue arrays */
2001         qcount = bnx2x_iov_get_max_queue_count(bp);
2002
2003         /* allocate the queue arrays for all VFs */
2004         bp->vfdb->vfqs = kzalloc(qcount * sizeof(struct bnx2x_vf_queue),
2005                                  GFP_KERNEL);
2006         if (!bp->vfdb->vfqs) {
2007                 BNX2X_ERR("failed to allocate vf queue array\n");
2008                 err = -ENOMEM;
2009                 goto failed;
2010         }
2011
2012         return 0;
2013 failed:
2014         DP(BNX2X_MSG_IOV, "Failed err=%d\n", err);
2015         __bnx2x_iov_free_vfdb(bp);
2016         return err;
2017 }
2018
2019 void bnx2x_iov_remove_one(struct bnx2x *bp)
2020 {
2021         /* if SRIOV is not enabled there's nothing to do */
2022         if (!IS_SRIOV(bp))
2023                 return;
2024
2025         DP(BNX2X_MSG_IOV, "about to call disable sriov\n");
2026         pci_disable_sriov(bp->pdev);
2027         DP(BNX2X_MSG_IOV, "sriov disabled\n");
2028
2029         /* free vf database */
2030         __bnx2x_iov_free_vfdb(bp);
2031 }
2032
2033 void bnx2x_iov_free_mem(struct bnx2x *bp)
2034 {
2035         int i;
2036
2037         if (!IS_SRIOV(bp))
2038                 return;
2039
2040         /* free vfs hw contexts */
2041         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2042                 struct hw_dma *cxt = &bp->vfdb->context[i];
2043                 BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size);
2044         }
2045
2046         BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr,
2047                        BP_VFDB(bp)->sp_dma.mapping,
2048                        BP_VFDB(bp)->sp_dma.size);
2049
2050         BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr,
2051                        BP_VF_MBX_DMA(bp)->mapping,
2052                        BP_VF_MBX_DMA(bp)->size);
2053
2054         BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr,
2055                        BP_VF_BULLETIN_DMA(bp)->mapping,
2056                        BP_VF_BULLETIN_DMA(bp)->size);
2057 }
2058
2059 int bnx2x_iov_alloc_mem(struct bnx2x *bp)
2060 {
2061         size_t tot_size;
2062         int i, rc = 0;
2063
2064         if (!IS_SRIOV(bp))
2065                 return rc;
2066
2067         /* allocate vfs hw contexts */
2068         tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) *
2069                 BNX2X_CIDS_PER_VF * sizeof(union cdu_context);
2070
2071         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2072                 struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i);
2073                 cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ);
2074
2075                 if (cxt->size) {
2076                         BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size);
2077                 } else {
2078                         cxt->addr = NULL;
2079                         cxt->mapping = 0;
2080                 }
2081                 tot_size -= cxt->size;
2082         }
2083
2084         /* allocate vfs ramrods dma memory - client_init and set_mac */
2085         tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp);
2086         BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping,
2087                         tot_size);
2088         BP_VFDB(bp)->sp_dma.size = tot_size;
2089
2090         /* allocate mailboxes */
2091         tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE;
2092         BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping,
2093                         tot_size);
2094         BP_VF_MBX_DMA(bp)->size = tot_size;
2095
2096         /* allocate local bulletin boards */
2097         tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE;
2098         BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp)->addr,
2099                         &BP_VF_BULLETIN_DMA(bp)->mapping, tot_size);
2100         BP_VF_BULLETIN_DMA(bp)->size = tot_size;
2101
2102         return 0;
2103
2104 alloc_mem_err:
2105         return -ENOMEM;
2106 }
2107
2108 static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
2109                            struct bnx2x_vf_queue *q)
2110 {
2111         u8 cl_id = vfq_cl_id(vf, q);
2112         u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
2113         unsigned long q_type = 0;
2114
2115         set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
2116         set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
2117
2118         /* Queue State object */
2119         bnx2x_init_queue_obj(bp, &q->sp_obj,
2120                              cl_id, &q->cid, 1, func_id,
2121                              bnx2x_vf_sp(bp, vf, q_data),
2122                              bnx2x_vf_sp_map(bp, vf, q_data),
2123                              q_type);
2124
2125         DP(BNX2X_MSG_IOV,
2126            "initialized vf %d's queue object. func id set to %d\n",
2127            vf->abs_vfid, q->sp_obj.func_id);
2128
2129         /* mac/vlan objects are per queue, but only those
2130          * that belong to the leading queue are initialized
2131          */
2132         if (vfq_is_leading(q)) {
2133                 /* mac */
2134                 bnx2x_init_mac_obj(bp, &q->mac_obj,
2135                                    cl_id, q->cid, func_id,
2136                                    bnx2x_vf_sp(bp, vf, mac_rdata),
2137                                    bnx2x_vf_sp_map(bp, vf, mac_rdata),
2138                                    BNX2X_FILTER_MAC_PENDING,
2139                                    &vf->filter_state,
2140                                    BNX2X_OBJ_TYPE_RX_TX,
2141                                    &bp->macs_pool);
2142                 /* vlan */
2143                 bnx2x_init_vlan_obj(bp, &q->vlan_obj,
2144                                     cl_id, q->cid, func_id,
2145                                     bnx2x_vf_sp(bp, vf, vlan_rdata),
2146                                     bnx2x_vf_sp_map(bp, vf, vlan_rdata),
2147                                     BNX2X_FILTER_VLAN_PENDING,
2148                                     &vf->filter_state,
2149                                     BNX2X_OBJ_TYPE_RX_TX,
2150                                     &bp->vlans_pool);
2151
2152                 /* mcast */
2153                 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id,
2154                                      q->cid, func_id, func_id,
2155                                      bnx2x_vf_sp(bp, vf, mcast_rdata),
2156                                      bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2157                                      BNX2X_FILTER_MCAST_PENDING,
2158                                      &vf->filter_state,
2159                                      BNX2X_OBJ_TYPE_RX_TX);
2160
2161                 vf->leading_rss = cl_id;
2162         }
2163 }
2164
2165 /* called by bnx2x_nic_load */
2166 int bnx2x_iov_nic_init(struct bnx2x *bp)
2167 {
2168         int vfid, qcount, i;
2169
2170         if (!IS_SRIOV(bp)) {
2171                 DP(BNX2X_MSG_IOV, "vfdb was not allocated\n");
2172                 return 0;
2173         }
2174
2175         DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn);
2176
2177         /* initialize vf database */
2178         for_each_vf(bp, vfid) {
2179                 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2180
2181                 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) *
2182                         BNX2X_CIDS_PER_VF;
2183
2184                 union cdu_context *base_cxt = (union cdu_context *)
2185                         BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2186                         (base_vf_cid & (ILT_PAGE_CIDS-1));
2187
2188                 DP(BNX2X_MSG_IOV,
2189                    "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n",
2190                    vf->abs_vfid, vf_sb_count(vf), base_vf_cid,
2191                    BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt);
2192
2193                 /* init statically provisioned resources */
2194                 bnx2x_iov_static_resc(bp, &vf->alloc_resc);
2195
2196                 /* queues are initialized during VF-ACQUIRE */
2197
2198                 /* reserve the vf vlan credit */
2199                 bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf));
2200
2201                 vf->filter_state = 0;
2202                 vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id);
2203
2204                 /*  init mcast object - This object will be re-initialized
2205                  *  during VF-ACQUIRE with the proper cl_id and cid.
2206                  *  It needs to be initialized here so that it can be safely
2207                  *  handled by a subsequent FLR flow.
2208                  */
2209                 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF,
2210                                      0xFF, 0xFF, 0xFF,
2211                                      bnx2x_vf_sp(bp, vf, mcast_rdata),
2212                                      bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2213                                      BNX2X_FILTER_MCAST_PENDING,
2214                                      &vf->filter_state,
2215                                      BNX2X_OBJ_TYPE_RX_TX);
2216
2217                 /* set the mailbox message addresses */
2218                 BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *)
2219                         (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid *
2220                         MBX_MSG_ALIGNED_SIZE);
2221
2222                 BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping +
2223                         vfid * MBX_MSG_ALIGNED_SIZE;
2224
2225                 /* Enable vf mailbox */
2226                 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
2227         }
2228
2229         /* Final VF init */
2230         qcount = 0;
2231         for_each_vf(bp, i) {
2232                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2233
2234                 /* fill in the BDF and bars */
2235                 vf->bus = bnx2x_vf_bus(bp, i);
2236                 vf->devfn = bnx2x_vf_devfn(bp, i);
2237                 bnx2x_vf_set_bars(bp, vf);
2238
2239                 DP(BNX2X_MSG_IOV,
2240                    "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n",
2241                    vf->abs_vfid, vf->bus, vf->devfn,
2242                    (unsigned)vf->bars[0].bar, vf->bars[0].size,
2243                    (unsigned)vf->bars[1].bar, vf->bars[1].size,
2244                    (unsigned)vf->bars[2].bar, vf->bars[2].size);
2245
2246                 /* set local queue arrays */
2247                 vf->vfqs = &bp->vfdb->vfqs[qcount];
2248                 qcount += bnx2x_vf(bp, i, alloc_resc.num_sbs);
2249         }
2250
2251         return 0;
2252 }
2253
2254 /* called by bnx2x_chip_cleanup */
2255 int bnx2x_iov_chip_cleanup(struct bnx2x *bp)
2256 {
2257         int i;
2258
2259         if (!IS_SRIOV(bp))
2260                 return 0;
2261
2262         /* release all the VFs */
2263         for_each_vf(bp, i)
2264                 bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */
2265
2266         return 0;
2267 }
2268
2269 /* called by bnx2x_init_hw_func, returns the next ilt line */
2270 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line)
2271 {
2272         int i;
2273         struct bnx2x_ilt *ilt = BP_ILT(bp);
2274
2275         if (!IS_SRIOV(bp))
2276                 return line;
2277
2278         /* set vfs ilt lines */
2279         for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2280                 struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i);
2281
2282                 ilt->lines[line+i].page = hw_cxt->addr;
2283                 ilt->lines[line+i].page_mapping = hw_cxt->mapping;
2284                 ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */
2285         }
2286         return line + i;
2287 }
2288
2289 static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid)
2290 {
2291         return ((cid >= BNX2X_FIRST_VF_CID) &&
2292                 ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS));
2293 }
2294
2295 static
2296 void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp,
2297                                         struct bnx2x_vf_queue *vfq,
2298                                         union event_ring_elem *elem)
2299 {
2300         unsigned long ramrod_flags = 0;
2301         int rc = 0;
2302
2303         /* Always push next commands out, don't wait here */
2304         set_bit(RAMROD_CONT, &ramrod_flags);
2305
2306         switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
2307         case BNX2X_FILTER_MAC_PENDING:
2308                 rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem,
2309                                            &ramrod_flags);
2310                 break;
2311         case BNX2X_FILTER_VLAN_PENDING:
2312                 rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem,
2313                                             &ramrod_flags);
2314                 break;
2315         default:
2316                 BNX2X_ERR("Unsupported classification command: %d\n",
2317                           elem->message.data.eth_event.echo);
2318                 return;
2319         }
2320         if (rc < 0)
2321                 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
2322         else if (rc > 0)
2323                 DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n");
2324 }
2325
2326 static
2327 void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp,
2328                                struct bnx2x_virtf *vf)
2329 {
2330         struct bnx2x_mcast_ramrod_params rparam = {NULL};
2331         int rc;
2332
2333         rparam.mcast_obj = &vf->mcast_obj;
2334         vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw);
2335
2336         /* If there are pending mcast commands - send them */
2337         if (vf->mcast_obj.check_pending(&vf->mcast_obj)) {
2338                 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
2339                 if (rc < 0)
2340                         BNX2X_ERR("Failed to send pending mcast commands: %d\n",
2341                                   rc);
2342         }
2343 }
2344
2345 static
2346 void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp,
2347                                  struct bnx2x_virtf *vf)
2348 {
2349         smp_mb__before_clear_bit();
2350         clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
2351         smp_mb__after_clear_bit();
2352 }
2353
2354 int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem)
2355 {
2356         struct bnx2x_virtf *vf;
2357         int qidx = 0, abs_vfid;
2358         u8 opcode;
2359         u16 cid = 0xffff;
2360
2361         if (!IS_SRIOV(bp))
2362                 return 1;
2363
2364         /* first get the cid - the only events we handle here are cfc-delete
2365          * and set-mac completion
2366          */
2367         opcode = elem->message.opcode;
2368
2369         switch (opcode) {
2370         case EVENT_RING_OPCODE_CFC_DEL:
2371                 cid = SW_CID((__force __le32)
2372                              elem->message.data.cfc_del_event.cid);
2373                 DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid);
2374                 break;
2375         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2376         case EVENT_RING_OPCODE_MULTICAST_RULES:
2377         case EVENT_RING_OPCODE_FILTERS_RULES:
2378                 cid = (elem->message.data.eth_event.echo &
2379                        BNX2X_SWCID_MASK);
2380                 DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid);
2381                 break;
2382         case EVENT_RING_OPCODE_VF_FLR:
2383                 abs_vfid = elem->message.data.vf_flr_event.vf_id;
2384                 DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n",
2385                    abs_vfid);
2386                 goto get_vf;
2387         case EVENT_RING_OPCODE_MALICIOUS_VF:
2388                 abs_vfid = elem->message.data.malicious_vf_event.vf_id;
2389                 DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d\n",
2390                    abs_vfid);
2391                 goto get_vf;
2392         default:
2393                 return 1;
2394         }
2395
2396         /* check if the cid is the VF range */
2397         if (!bnx2x_iov_is_vf_cid(bp, cid)) {
2398                 DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid);
2399                 return 1;
2400         }
2401
2402         /* extract vf and rxq index from vf_cid - relies on the following:
2403          * 1. vfid on cid reflects the true abs_vfid
2404          * 2. the max number of VFs (per path) is 64
2405          */
2406         qidx = cid & ((1 << BNX2X_VF_CID_WND)-1);
2407         abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2408 get_vf:
2409         vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
2410
2411         if (!vf) {
2412                 BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n",
2413                           cid, abs_vfid);
2414                 return 0;
2415         }
2416
2417         switch (opcode) {
2418         case EVENT_RING_OPCODE_CFC_DEL:
2419                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n",
2420                    vf->abs_vfid, qidx);
2421                 vfq_get(vf, qidx)->sp_obj.complete_cmd(bp,
2422                                                        &vfq_get(vf,
2423                                                                 qidx)->sp_obj,
2424                                                        BNX2X_Q_CMD_CFC_DEL);
2425                 break;
2426         case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2427                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n",
2428                    vf->abs_vfid, qidx);
2429                 bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem);
2430                 break;
2431         case EVENT_RING_OPCODE_MULTICAST_RULES:
2432                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n",
2433                    vf->abs_vfid, qidx);
2434                 bnx2x_vf_handle_mcast_eqe(bp, vf);
2435                 break;
2436         case EVENT_RING_OPCODE_FILTERS_RULES:
2437                 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n",
2438                    vf->abs_vfid, qidx);
2439                 bnx2x_vf_handle_filters_eqe(bp, vf);
2440                 break;
2441         case EVENT_RING_OPCODE_VF_FLR:
2442                 DP(BNX2X_MSG_IOV, "got VF [%d] FLR notification\n",
2443                    vf->abs_vfid);
2444                 /* Do nothing for now */
2445                 break;
2446         case EVENT_RING_OPCODE_MALICIOUS_VF:
2447                 DP(BNX2X_MSG_IOV, "got VF [%d] MALICIOUS notification\n",
2448                    vf->abs_vfid);
2449                 /* Do nothing for now */
2450                 break;
2451         }
2452         /* SRIOV: reschedule any 'in_progress' operations */
2453         bnx2x_iov_sp_event(bp, cid, false);
2454
2455         return 0;
2456 }
2457
2458 static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid)
2459 {
2460         /* extract the vf from vf_cid - relies on the following:
2461          * 1. vfid on cid reflects the true abs_vfid
2462          * 2. the max number of VFs (per path) is 64
2463          */
2464         int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2465         return bnx2x_vf_by_abs_fid(bp, abs_vfid);
2466 }
2467
2468 void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
2469                                 struct bnx2x_queue_sp_obj **q_obj)
2470 {
2471         struct bnx2x_virtf *vf;
2472
2473         if (!IS_SRIOV(bp))
2474                 return;
2475
2476         vf = bnx2x_vf_by_cid(bp, vf_cid);
2477
2478         if (vf) {
2479                 /* extract queue index from vf_cid - relies on the following:
2480                  * 1. vfid on cid reflects the true abs_vfid
2481                  * 2. the max number of VFs (per path) is 64
2482                  */
2483                 int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1);
2484                 *q_obj = &bnx2x_vfq(vf, q_index, sp_obj);
2485         } else {
2486                 BNX2X_ERR("No vf matching cid %d\n", vf_cid);
2487         }
2488 }
2489
2490 void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work)
2491 {
2492         struct bnx2x_virtf *vf;
2493
2494         /* check if the cid is the VF range */
2495         if (!IS_SRIOV(bp) || !bnx2x_iov_is_vf_cid(bp, vf_cid))
2496                 return;
2497
2498         vf = bnx2x_vf_by_cid(bp, vf_cid);
2499         if (vf) {
2500                 /* set in_progress flag */
2501                 atomic_set(&vf->op_in_progress, 1);
2502                 if (queue_work)
2503                         queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
2504         }
2505 }
2506
2507 void bnx2x_iov_adjust_stats_req(struct bnx2x *bp)
2508 {
2509         int i;
2510         int first_queue_query_index, num_queues_req;
2511         dma_addr_t cur_data_offset;
2512         struct stats_query_entry *cur_query_entry;
2513         u8 stats_count = 0;
2514         bool is_fcoe = false;
2515
2516         if (!IS_SRIOV(bp))
2517                 return;
2518
2519         if (!NO_FCOE(bp))
2520                 is_fcoe = true;
2521
2522         /* fcoe adds one global request and one queue request */
2523         num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe;
2524         first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX -
2525                 (is_fcoe ? 0 : 1);
2526
2527         DP(BNX2X_MSG_IOV,
2528            "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",
2529            BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index,
2530            first_queue_query_index + num_queues_req);
2531
2532         cur_data_offset = bp->fw_stats_data_mapping +
2533                 offsetof(struct bnx2x_fw_stats_data, queue_stats) +
2534                 num_queues_req * sizeof(struct per_queue_stats);
2535
2536         cur_query_entry = &bp->fw_stats_req->
2537                 query[first_queue_query_index + num_queues_req];
2538
2539         for_each_vf(bp, i) {
2540                 int j;
2541                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2542
2543                 if (vf->state != VF_ENABLED) {
2544                         DP(BNX2X_MSG_IOV,
2545                            "vf %d not enabled so no stats for it\n",
2546                            vf->abs_vfid);
2547                         continue;
2548                 }
2549
2550                 DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid);
2551                 for_each_vfq(vf, j) {
2552                         struct bnx2x_vf_queue *rxq = vfq_get(vf, j);
2553
2554                         /* collect stats fro active queues only */
2555                         if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) ==
2556                             BNX2X_Q_LOGICAL_STATE_STOPPED)
2557                                 continue;
2558
2559                         /* create stats query entry for this queue */
2560                         cur_query_entry->kind = STATS_TYPE_QUEUE;
2561                         cur_query_entry->index = vfq_cl_id(vf, rxq);
2562                         cur_query_entry->funcID =
2563                                 cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid));
2564                         cur_query_entry->address.hi =
2565                                 cpu_to_le32(U64_HI(vf->fw_stat_map));
2566                         cur_query_entry->address.lo =
2567                                 cpu_to_le32(U64_LO(vf->fw_stat_map));
2568                         DP(BNX2X_MSG_IOV,
2569                            "added address %x %x for vf %d queue %d client %d\n",
2570                            cur_query_entry->address.hi,
2571                            cur_query_entry->address.lo, cur_query_entry->funcID,
2572                            j, cur_query_entry->index);
2573                         cur_query_entry++;
2574                         cur_data_offset += sizeof(struct per_queue_stats);
2575                         stats_count++;
2576                 }
2577         }
2578         bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count;
2579 }
2580
2581 void bnx2x_iov_sp_task(struct bnx2x *bp)
2582 {
2583         int i;
2584
2585         if (!IS_SRIOV(bp))
2586                 return;
2587         /* Iterate over all VFs and invoke state transition for VFs with
2588          * 'in-progress' slow-path operations
2589          */
2590         DP(BNX2X_MSG_IOV, "searching for pending vf operations\n");
2591         for_each_vf(bp, i) {
2592                 struct bnx2x_virtf *vf = BP_VF(bp, i);
2593
2594                 if (!list_empty(&vf->op_list_head) &&
2595                     atomic_read(&vf->op_in_progress)) {
2596                         DP(BNX2X_MSG_IOV, "running pending op for vf %d\n", i);
2597                         bnx2x_vfop_cur(bp, vf)->transition(bp, vf);
2598                 }
2599         }
2600 }
2601
2602 static inline
2603 struct bnx2x_virtf *__vf_from_stat_id(struct bnx2x *bp, u8 stat_id)
2604 {
2605         int i;
2606         struct bnx2x_virtf *vf = NULL;
2607
2608         for_each_vf(bp, i) {
2609                 vf = BP_VF(bp, i);
2610                 if (stat_id >= vf->igu_base_id &&
2611                     stat_id < vf->igu_base_id + vf_sb_count(vf))
2612                         break;
2613         }
2614         return vf;
2615 }
2616
2617 /* VF API helpers */
2618 static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid,
2619                                 u8 enable)
2620 {
2621         u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4;
2622         u32 val = enable ? (abs_vfid | (1 << 6)) : 0;
2623
2624         REG_WR(bp, reg, val);
2625 }
2626
2627 static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf)
2628 {
2629         int i;
2630
2631         for_each_vfq(vf, i)
2632                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2633                                     vfq_qzone_id(vf, vfq_get(vf, i)), false);
2634 }
2635
2636 static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf)
2637 {
2638         u32 val;
2639
2640         /* clear the VF configuration - pretend */
2641         bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
2642         val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
2643         val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN |
2644                  IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK);
2645         REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
2646         bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2647 }
2648
2649 u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf)
2650 {
2651         return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF),
2652                      BNX2X_VF_MAX_QUEUES);
2653 }
2654
2655 static
2656 int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf,
2657                             struct vf_pf_resc_request *req_resc)
2658 {
2659         u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2660         u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2661
2662         return ((req_resc->num_rxqs <= rxq_cnt) &&
2663                 (req_resc->num_txqs <= txq_cnt) &&
2664                 (req_resc->num_sbs <= vf_sb_count(vf))   &&
2665                 (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) &&
2666                 (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf)));
2667 }
2668
2669 /* CORE VF API */
2670 int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
2671                      struct vf_pf_resc_request *resc)
2672 {
2673         int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) *
2674                 BNX2X_CIDS_PER_VF;
2675
2676         union cdu_context *base_cxt = (union cdu_context *)
2677                 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2678                 (base_vf_cid & (ILT_PAGE_CIDS-1));
2679         int i;
2680
2681         /* if state is 'acquired' the VF was not released or FLR'd, in
2682          * this case the returned resources match the acquired already
2683          * acquired resources. Verify that the requested numbers do
2684          * not exceed the already acquired numbers.
2685          */
2686         if (vf->state == VF_ACQUIRED) {
2687                 DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n",
2688                    vf->abs_vfid);
2689
2690                 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2691                         BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n",
2692                                   vf->abs_vfid);
2693                         return -EINVAL;
2694                 }
2695                 return 0;
2696         }
2697
2698         /* Otherwise vf state must be 'free' or 'reset' */
2699         if (vf->state != VF_FREE && vf->state != VF_RESET) {
2700                 BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n",
2701                           vf->abs_vfid, vf->state);
2702                 return -EINVAL;
2703         }
2704
2705         /* static allocation:
2706          * the global maximum number are fixed per VF. fail the request if
2707          * requested number exceed these globals
2708          */
2709         if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2710                 DP(BNX2X_MSG_IOV,
2711                    "cannot fulfill vf resource request. Placing maximal available values in response\n");
2712                 /* set the max resource in the vf */
2713                 return -ENOMEM;
2714         }
2715
2716         /* Set resources counters - 0 request means max available */
2717         vf_sb_count(vf) = resc->num_sbs;
2718         vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2719         vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2720         if (resc->num_mac_filters)
2721                 vf_mac_rules_cnt(vf) = resc->num_mac_filters;
2722         if (resc->num_vlan_filters)
2723                 vf_vlan_rules_cnt(vf) = resc->num_vlan_filters;
2724
2725         DP(BNX2X_MSG_IOV,
2726            "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n",
2727            vf_sb_count(vf), vf_rxq_count(vf),
2728            vf_txq_count(vf), vf_mac_rules_cnt(vf),
2729            vf_vlan_rules_cnt(vf));
2730
2731         /* Initialize the queues */
2732         if (!vf->vfqs) {
2733                 DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n");
2734                 return -EINVAL;
2735         }
2736
2737         for_each_vfq(vf, i) {
2738                 struct bnx2x_vf_queue *q = vfq_get(vf, i);
2739
2740                 if (!q) {
2741                         DP(BNX2X_MSG_IOV, "q number %d was not allocated\n", i);
2742                         return -EINVAL;
2743                 }
2744
2745                 q->index = i;
2746                 q->cxt = &((base_cxt + i)->eth);
2747                 q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i;
2748
2749                 DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n",
2750                    vf->abs_vfid, i, q->index, q->cid, q->cxt);
2751
2752                 /* init SP objects */
2753                 bnx2x_vfq_init(bp, vf, q);
2754         }
2755         vf->state = VF_ACQUIRED;
2756         return 0;
2757 }
2758
2759 int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map)
2760 {
2761         struct bnx2x_func_init_params func_init = {0};
2762         u16 flags = 0;
2763         int i;
2764
2765         /* the sb resources are initialized at this point, do the
2766          * FW/HW initializations
2767          */
2768         for_each_vf_sb(vf, i)
2769                 bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true,
2770                               vf_igu_sb(vf, i), vf_igu_sb(vf, i));
2771
2772         /* Sanity checks */
2773         if (vf->state != VF_ACQUIRED) {
2774                 DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n",
2775                    vf->abs_vfid, vf->state);
2776                 return -EINVAL;
2777         }
2778         /* FLR cleanup epilogue */
2779         if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid))
2780                 return -EBUSY;
2781
2782         /* reset IGU VF statistics: MSIX */
2783         REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0);
2784
2785         /* vf init */
2786         if (vf->cfg_flags & VF_CFG_STATS)
2787                 flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ);
2788
2789         if (vf->cfg_flags & VF_CFG_TPA)
2790                 flags |= FUNC_FLG_TPA;
2791
2792         if (is_vf_multi(vf))
2793                 flags |= FUNC_FLG_RSS;
2794
2795         /* function setup */
2796         func_init.func_flgs = flags;
2797         func_init.pf_id = BP_FUNC(bp);
2798         func_init.func_id = FW_VF_HANDLE(vf->abs_vfid);
2799         func_init.fw_stat_map = vf->fw_stat_map;
2800         func_init.spq_map = vf->spq_map;
2801         func_init.spq_prod = 0;
2802         bnx2x_func_init(bp, &func_init);
2803
2804         /* Enable the vf */
2805         bnx2x_vf_enable_access(bp, vf->abs_vfid);
2806         bnx2x_vf_enable_traffic(bp, vf);
2807
2808         /* queue protection table */
2809         for_each_vfq(vf, i)
2810                 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2811                                     vfq_qzone_id(vf, vfq_get(vf, i)), true);
2812
2813         vf->state = VF_ENABLED;
2814
2815         /* update vf bulletin board */
2816         bnx2x_post_vf_bulletin(bp, vf->index);
2817
2818         return 0;
2819 }
2820
2821 /* VFOP close (teardown the queues, delete mcasts and close HW) */
2822 static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf)
2823 {
2824         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2825         struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
2826         enum bnx2x_vfop_close_state state = vfop->state;
2827         struct bnx2x_vfop_cmd cmd = {
2828                 .done = bnx2x_vfop_close,
2829                 .block = false,
2830         };
2831
2832         if (vfop->rc < 0)
2833                 goto op_err;
2834
2835         DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
2836
2837         switch (state) {
2838         case BNX2X_VFOP_CLOSE_QUEUES:
2839
2840                 if (++(qx->qid) < vf_rxq_count(vf)) {
2841                         vfop->rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qx->qid);
2842                         if (vfop->rc)
2843                                 goto op_err;
2844                         return;
2845                 }
2846
2847                 /* remove multicasts */
2848                 vfop->state = BNX2X_VFOP_CLOSE_HW;
2849                 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, 0, false);
2850                 if (vfop->rc)
2851                         goto op_err;
2852                 return;
2853
2854         case BNX2X_VFOP_CLOSE_HW:
2855
2856                 /* disable the interrupts */
2857                 DP(BNX2X_MSG_IOV, "disabling igu\n");
2858                 bnx2x_vf_igu_disable(bp, vf);
2859
2860                 /* disable the VF */
2861                 DP(BNX2X_MSG_IOV, "clearing qtbl\n");
2862                 bnx2x_vf_clr_qtbl(bp, vf);
2863
2864                 goto op_done;
2865         default:
2866                 bnx2x_vfop_default(state);
2867         }
2868 op_err:
2869         BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc);
2870 op_done:
2871         vf->state = VF_ACQUIRED;
2872         DP(BNX2X_MSG_IOV, "set state to acquired\n");
2873         bnx2x_vfop_end(bp, vf, vfop);
2874 }
2875
2876 int bnx2x_vfop_close_cmd(struct bnx2x *bp,
2877                          struct bnx2x_virtf *vf,
2878                          struct bnx2x_vfop_cmd *cmd)
2879 {
2880         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2881         if (vfop) {
2882                 vfop->args.qx.qid = -1; /* loop */
2883                 bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES,
2884                                  bnx2x_vfop_close, cmd->done);
2885                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_close,
2886                                              cmd->block);
2887         }
2888         return -ENOMEM;
2889 }
2890
2891 /* VF release can be called either: 1. the VF was acquired but
2892  * not enabled 2. the vf was enabled or in the process of being
2893  * enabled
2894  */
2895 static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf)
2896 {
2897         struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2898         struct bnx2x_vfop_cmd cmd = {
2899                 .done = bnx2x_vfop_release,
2900                 .block = false,
2901         };
2902
2903         DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2904
2905         if (vfop->rc < 0)
2906                 goto op_err;
2907
2908         DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid,
2909            vf->state == VF_FREE ? "Free" :
2910            vf->state == VF_ACQUIRED ? "Acquired" :
2911            vf->state == VF_ENABLED ? "Enabled" :
2912            vf->state == VF_RESET ? "Reset" :
2913            "Unknown");
2914
2915         switch (vf->state) {
2916         case VF_ENABLED:
2917                 vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd);
2918                 if (vfop->rc)
2919                         goto op_err;
2920                 return;
2921
2922         case VF_ACQUIRED:
2923                 DP(BNX2X_MSG_IOV, "about to free resources\n");
2924                 bnx2x_vf_free_resc(bp, vf);
2925                 DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2926                 goto op_done;
2927
2928         case VF_FREE:
2929         case VF_RESET:
2930                 /* do nothing */
2931                 goto op_done;
2932         default:
2933                 bnx2x_vfop_default(vf->state);
2934         }
2935 op_err:
2936         BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc);
2937 op_done:
2938         bnx2x_vfop_end(bp, vf, vfop);
2939 }
2940
2941 int bnx2x_vfop_release_cmd(struct bnx2x *bp,
2942                            struct bnx2x_virtf *vf,
2943                            struct bnx2x_vfop_cmd *cmd)
2944 {
2945         struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2946         if (vfop) {
2947                 bnx2x_vfop_opset(-1, /* use vf->state */
2948                                  bnx2x_vfop_release, cmd->done);
2949                 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release,
2950                                              cmd->block);
2951         }
2952         return -ENOMEM;
2953 }
2954
2955 /* VF release ~ VF close + VF release-resources
2956  * Release is the ultimate SW shutdown and is called whenever an
2957  * irrecoverable error is encountered.
2958  */
2959 void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block)
2960 {
2961         struct bnx2x_vfop_cmd cmd = {
2962                 .done = NULL,
2963                 .block = block,
2964         };
2965         int rc;
2966         bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
2967
2968         rc = bnx2x_vfop_release_cmd(bp, vf, &cmd);
2969         if (rc)
2970                 WARN(rc,
2971                      "VF[%d] Failed to allocate resources for release op- rc=%d\n",
2972                      vf->abs_vfid, rc);
2973 }
2974
2975 static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp,
2976                               struct bnx2x_virtf *vf, u32 *sbdf)
2977 {
2978         *sbdf = vf->devfn | (vf->bus << 8);
2979 }
2980
2981 static inline void bnx2x_vf_get_bars(struct bnx2x *bp, struct bnx2x_virtf *vf,
2982                        struct bnx2x_vf_bar_info *bar_info)
2983 {
2984         int n;
2985
2986         bar_info->nr_bars = bp->vfdb->sriov.nres;
2987         for (n = 0; n < bar_info->nr_bars; n++)
2988                 bar_info->bars[n] = vf->bars[n];
2989 }
2990
2991 void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
2992                               enum channel_tlvs tlv)
2993 {
2994         /* lock the channel */
2995         mutex_lock(&vf->op_mutex);
2996
2997         /* record the locking op */
2998         vf->op_current = tlv;
2999
3000         /* log the lock */
3001         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n",
3002            vf->abs_vfid, tlv);
3003 }
3004
3005 void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
3006                                 enum channel_tlvs expected_tlv)
3007 {
3008         WARN(expected_tlv != vf->op_current,
3009              "lock mismatch: expected %d found %d", expected_tlv,
3010              vf->op_current);
3011
3012         /* lock the channel */
3013         mutex_unlock(&vf->op_mutex);
3014
3015         /* log the unlock */
3016         DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n",
3017            vf->abs_vfid, vf->op_current);
3018
3019         /* record the locking op */
3020         vf->op_current = CHANNEL_TLV_NONE;
3021 }
3022
3023 void bnx2x_enable_sriov(struct bnx2x *bp)
3024 {
3025         int rc = 0;
3026
3027         /* disbale sriov in case it is still enabled */
3028         pci_disable_sriov(bp->pdev);
3029         DP(BNX2X_MSG_IOV, "sriov disabled\n");
3030
3031         /* enable sriov */
3032         DP(BNX2X_MSG_IOV, "vf num (%d)\n", (bp->vfdb->sriov.nr_virtfn));
3033         rc = pci_enable_sriov(bp->pdev, (bp->vfdb->sriov.nr_virtfn));
3034         if (rc)
3035                 BNX2X_ERR("pci_enable_sriov failed with %d\n", rc);
3036         else
3037                 DP(BNX2X_MSG_IOV, "sriov enabled\n");
3038 }
3039
3040 void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp)
3041 {
3042         int vfidx;
3043         struct pf_vf_bulletin_content *bulletin;
3044
3045         DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n");
3046         for_each_vf(bp, vfidx) {
3047         bulletin = BP_VF_BULLETIN(bp, vfidx);
3048                 if (BP_VF(bp, vfidx)->cfg_flags & VF_CFG_VLAN)
3049                         bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0);
3050         }
3051 }
3052
3053 static int bnx2x_vf_ndo_sanity(struct bnx2x *bp, int vfidx,
3054                                struct bnx2x_virtf *vf)
3055 {
3056         if (!IS_SRIOV(bp)) {
3057                 BNX2X_ERR("vf ndo called though sriov is disabled\n");
3058                 return -EINVAL;
3059         }
3060
3061         if (vfidx >= BNX2X_NR_VIRTFN(bp)) {
3062                 BNX2X_ERR("vf ndo called for uninitialized VF. vfidx was %d BNX2X_NR_VIRTFN was %d\n",
3063                           vfidx, BNX2X_NR_VIRTFN(bp));
3064                 return -EINVAL;
3065         }
3066
3067         if (!vf) {
3068                 BNX2X_ERR("vf ndo called but vf was null. vfidx was %d\n",
3069                           vfidx);
3070                 return -EINVAL;
3071         }
3072
3073         return 0;
3074 }
3075
3076 int bnx2x_get_vf_config(struct net_device *dev, int vfidx,
3077                         struct ifla_vf_info *ivi)
3078 {
3079         struct bnx2x *bp = netdev_priv(dev);
3080         struct bnx2x_virtf *vf = BP_VF(bp, vfidx);
3081         struct bnx2x_vlan_mac_obj *mac_obj = &bnx2x_vfq(vf, 0, mac_obj);
3082         struct bnx2x_vlan_mac_obj *vlan_obj = &bnx2x_vfq(vf, 0, vlan_obj);
3083         struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx);
3084         int rc;
3085
3086         /* sanity */
3087         rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf);
3088         if (rc)
3089                 return rc;
3090
3091         ivi->vf = vfidx;
3092         ivi->qos = 0;
3093         ivi->tx_rate = 10000; /* always 10G. TBA take from link struct */
3094         ivi->spoofchk = 1; /*always enabled */
3095         if (vf->state == VF_ENABLED) {
3096                 /* mac and vlan are in vlan_mac objects */
3097                 mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac,
3098                                         0, ETH_ALEN);
3099                 vlan_obj->get_n_elements(bp, vlan_obj, 1, (u8 *)&ivi->vlan,
3100                                          0, VLAN_HLEN);
3101         } else {
3102                 /* mac */
3103                 if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID))
3104                         /* mac configured by ndo so its in bulletin board */
3105                         memcpy(&ivi->mac, bulletin->mac, ETH_ALEN);
3106                 else
3107                         /* funtion has not been loaded yet. Show mac as 0s */
3108                         memset(&ivi->mac, 0, ETH_ALEN);
3109
3110                 /* vlan */
3111                 if (bulletin->valid_bitmap & (1 << VLAN_VALID))
3112                         /* vlan configured by ndo so its in bulletin board */
3113                         memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN);
3114                 else
3115                         /* funtion has not been loaded yet. Show vlans as 0s */
3116                         memset(&ivi->vlan, 0, VLAN_HLEN);
3117         }
3118
3119         return 0;
3120 }
3121
3122 /* New mac for VF. Consider these cases:
3123  * 1. VF hasn't been acquired yet - save the mac in local bulletin board and
3124  *    supply at acquire.
3125  * 2. VF has already been acquired but has not yet initialized - store in local
3126  *    bulletin board. mac will be posted on VF bulletin board after VF init. VF
3127  *    will configure this mac when it is ready.
3128  * 3. VF has already initialized but has not yet setup a queue - post the new
3129  *    mac on VF's bulletin board right now. VF will configure this mac when it
3130  *    is ready.
3131  * 4. VF has already set a queue - delete any macs already configured for this
3132  *    queue and manually config the new mac.
3133  * In any event, once this function has been called refuse any attempts by the
3134  * VF to configure any mac for itself except for this mac. In case of a race
3135  * where the VF fails to see the new post on its bulletin board before sending a
3136  * mac configuration request, the PF will simply fail the request and VF can try
3137  * again after consulting its bulletin board.
3138  */
3139 int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac)
3140 {
3141         struct bnx2x *bp = netdev_priv(dev);
3142         int rc, q_logical_state;
3143         struct bnx2x_virtf *vf = BP_VF(bp, vfidx);
3144         struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx);
3145
3146         /* sanity */
3147         rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf);
3148         if (rc)
3149                 return rc;
3150         if (!is_valid_ether_addr(mac)) {
3151                 BNX2X_ERR("mac address invalid\n");
3152                 return -EINVAL;
3153         }
3154
3155         /* update PF's copy of the VF's bulletin. will no longer accept mac
3156          * configuration requests from vf unless match this mac
3157          */
3158         bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID;
3159         memcpy(bulletin->mac, mac, ETH_ALEN);
3160
3161         /* Post update on VF's bulletin board */
3162         rc = bnx2x_post_vf_bulletin(bp, vfidx);
3163         if (rc) {
3164                 BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx);
3165                 return rc;
3166         }
3167
3168         /* is vf initialized and queue set up? */
3169         q_logical_state =
3170                 bnx2x_get_q_logical_state(bp, &bnx2x_vfq(vf, 0, sp_obj));
3171         if (vf->state == VF_ENABLED &&
3172             q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3173                 /* configure the mac in device on this vf's queue */
3174                 unsigned long ramrod_flags = 0;
3175                 struct bnx2x_vlan_mac_obj *mac_obj = &bnx2x_vfq(vf, 0, mac_obj);
3176
3177                 /* must lock vfpf channel to protect against vf flows */
3178                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3179
3180                 /* remove existing eth macs */
3181                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true);
3182                 if (rc) {
3183                         BNX2X_ERR("failed to delete eth macs\n");
3184                         return -EINVAL;
3185                 }
3186
3187                 /* remove existing uc list macs */
3188                 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true);
3189                 if (rc) {
3190                         BNX2X_ERR("failed to delete uc_list macs\n");
3191                         return -EINVAL;
3192                 }
3193
3194                 /* configure the new mac to device */
3195                 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3196                 bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true,
3197                                   BNX2X_ETH_MAC, &ramrod_flags);
3198
3199                 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3200         }
3201
3202         return 0;
3203 }
3204
3205 int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)
3206 {
3207         struct bnx2x *bp = netdev_priv(dev);
3208         int rc, q_logical_state;
3209         struct bnx2x_virtf *vf = BP_VF(bp, vfidx);
3210         struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx);
3211
3212         /* sanity */
3213         rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf);
3214         if (rc)
3215                 return rc;
3216
3217         if (vlan > 4095) {
3218                 BNX2X_ERR("illegal vlan value %d\n", vlan);
3219                 return -EINVAL;
3220         }
3221
3222         DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n",
3223            vfidx, vlan, 0);
3224
3225         /* update PF's copy of the VF's bulletin. No point in posting the vlan
3226          * to the VF since it doesn't have anything to do with it. But it useful
3227          * to store it here in case the VF is not up yet and we can only
3228          * configure the vlan later when it does.
3229          */
3230         bulletin->valid_bitmap |= 1 << VLAN_VALID;
3231         bulletin->vlan = vlan;
3232
3233         /* is vf initialized and queue set up? */
3234         q_logical_state =
3235                 bnx2x_get_q_logical_state(bp, &bnx2x_vfq(vf, 0, sp_obj));
3236         if (vf->state == VF_ENABLED &&
3237             q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3238                 /* configure the vlan in device on this vf's queue */
3239                 unsigned long ramrod_flags = 0;
3240                 unsigned long vlan_mac_flags = 0;
3241                 struct bnx2x_vlan_mac_obj *vlan_obj =
3242                         &bnx2x_vfq(vf, 0, vlan_obj);
3243                 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
3244                 struct bnx2x_queue_state_params q_params = {NULL};
3245                 struct bnx2x_queue_update_params *update_params;
3246
3247                 memset(&ramrod_param, 0, sizeof(ramrod_param));
3248
3249                 /* must lock vfpf channel to protect against vf flows */
3250                 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3251
3252                 /* remove existing vlans */
3253                 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3254                 rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags,
3255                                           &ramrod_flags);
3256                 if (rc) {
3257                         BNX2X_ERR("failed to delete vlans\n");
3258                         return -EINVAL;
3259                 }
3260
3261                 /* send queue update ramrod to configure default vlan and silent
3262                  * vlan removal
3263                  */
3264                 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
3265                 q_params.cmd = BNX2X_Q_CMD_UPDATE;
3266                 q_params.q_obj = &bnx2x_vfq(vf, 0, sp_obj);
3267                 update_params = &q_params.params.update;
3268                 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
3269                           &update_params->update_flags);
3270                 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
3271                           &update_params->update_flags);
3272
3273                 if (vlan == 0) {
3274                         /* if vlan is 0 then we want to leave the VF traffic
3275                          * untagged, and leave the incoming traffic untouched
3276                          * (i.e. do not remove any vlan tags).
3277                          */
3278                         __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3279                                     &update_params->update_flags);
3280                         __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3281                                     &update_params->update_flags);
3282                 } else {
3283                         /* configure the new vlan to device */
3284                         __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3285                         ramrod_param.vlan_mac_obj = vlan_obj;
3286                         ramrod_param.ramrod_flags = ramrod_flags;
3287                         ramrod_param.user_req.u.vlan.vlan = vlan;
3288                         ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
3289                         rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
3290                         if (rc) {
3291                                 BNX2X_ERR("failed to configure vlan\n");
3292                                 return -EINVAL;
3293                         }
3294
3295                         /* configure default vlan to vf queue and set silent
3296                          * vlan removal (the vf remains unaware of this vlan).
3297                          */
3298                         update_params = &q_params.params.update;
3299                         __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3300                                   &update_params->update_flags);
3301                         __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3302                                   &update_params->update_flags);
3303                         update_params->def_vlan = vlan;
3304                 }
3305
3306                 /* Update the Queue state */
3307                 rc = bnx2x_queue_state_change(bp, &q_params);
3308                 if (rc) {
3309                         BNX2X_ERR("Failed to configure default VLAN\n");
3310                         return rc;
3311                 }
3312
3313                 /* clear the flag indicating that this VF needs its vlan
3314                  * (will only be set if the HV configured th Vlan before vf was
3315                  * and we were called because the VF came up later
3316                  */
3317                 vf->cfg_flags &= ~VF_CFG_VLAN;
3318
3319                 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3320         }
3321         return 0;
3322 }
3323
3324 /* crc is the first field in the bulletin board. compute the crc over the
3325  * entire bulletin board excluding the crc field itself
3326  */
3327 u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp,
3328                           struct pf_vf_bulletin_content *bulletin)
3329 {
3330         return crc32(BULLETIN_CRC_SEED,
3331                  ((u8 *)bulletin) + sizeof(bulletin->crc),
3332                  bulletin->length - sizeof(bulletin->crc));
3333 }
3334
3335 /* Check for new posts on the bulletin board */
3336 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
3337 {
3338         struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
3339         int attempts;
3340
3341         /* bulletin board hasn't changed since last sample */
3342         if (bp->old_bulletin.version == bulletin.version)
3343                 return PFVF_BULLETIN_UNCHANGED;
3344
3345         /* validate crc of new bulletin board */
3346         if (bp->old_bulletin.version != bp->pf2vf_bulletin->content.version) {
3347                 /* sampling structure in mid post may result with corrupted data
3348                  * validate crc to ensure coherency.
3349                  */
3350                 for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) {
3351                         bulletin = bp->pf2vf_bulletin->content;
3352                         if (bulletin.crc == bnx2x_crc_vf_bulletin(bp,
3353                                                                   &bulletin))
3354                                 break;
3355                         BNX2X_ERR("bad crc on bulletin board. contained %x computed %x\n",
3356                                   bulletin.crc,
3357                                   bnx2x_crc_vf_bulletin(bp, &bulletin));
3358                 }
3359                 if (attempts >= BULLETIN_ATTEMPTS) {
3360                         BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n",
3361                                   attempts);
3362                         return PFVF_BULLETIN_CRC_ERR;
3363                 }
3364         }
3365
3366         /* the mac address in bulletin board is valid and is new */
3367         if (bulletin.valid_bitmap & 1 << MAC_ADDR_VALID &&
3368             memcmp(bulletin.mac, bp->old_bulletin.mac, ETH_ALEN)) {
3369                 /* update new mac to net device */
3370                 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
3371         }
3372
3373         /* the vlan in bulletin board is valid and is new */
3374         if (bulletin.valid_bitmap & 1 << VLAN_VALID)
3375                 memcpy(&bulletin.vlan, &bp->old_bulletin.vlan, VLAN_HLEN);
3376
3377         /* copy new bulletin board to bp */
3378         bp->old_bulletin = bulletin;
3379
3380         return PFVF_BULLETIN_UPDATED;
3381 }
3382
3383 void bnx2x_vf_map_doorbells(struct bnx2x *bp)
3384 {
3385         /* vf doorbells are embedded within the regview */
3386         bp->doorbells = bp->regview + PXP_VF_ADDR_DB_START;
3387 }
3388
3389 int bnx2x_vf_pci_alloc(struct bnx2x *bp)
3390 {
3391         /* allocate vf2pf mailbox for vf to pf channel */
3392         BNX2X_PCI_ALLOC(bp->vf2pf_mbox, &bp->vf2pf_mbox_mapping,
3393                         sizeof(struct bnx2x_vf_mbx_msg));
3394
3395         /* allocate pf 2 vf bulletin board */
3396         BNX2X_PCI_ALLOC(bp->pf2vf_bulletin, &bp->pf2vf_bulletin_mapping,
3397                         sizeof(union pf_vf_bulletin));
3398
3399         return 0;
3400
3401 alloc_mem_err:
3402         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3403                        sizeof(struct bnx2x_vf_mbx_msg));
3404         BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3405                        sizeof(union pf_vf_bulletin));
3406         return -ENOMEM;
3407 }