1 /* bnx2x_sriov.c: Broadcom Everest network driver.
3 * Copyright 2009-2013 Broadcom Corporation
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").
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
15 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
16 * Written by: Shmulik Ravid <shmulikr@broadcom.com>
17 * Ariel Elior <ariele@broadcom.com>
21 #include "bnx2x_init.h"
22 #include "bnx2x_cmn.h"
24 #include <linux/crc32.h>
25 #include <linux/if_vlan.h>
27 /* General service functions */
28 static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
31 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
33 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
35 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
37 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
41 static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
44 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
46 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
48 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
50 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
54 int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
59 if (bnx2x_vf(bp, idx, abs_vfid) == abs_vfid)
65 struct bnx2x_virtf *bnx2x_vf_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
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;
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,
75 /* acking a VF sb through the PF - use the GRC */
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};
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));
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;
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);
99 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
101 REG_WR(bp, igu_addr_ctl, ctl);
105 /* VFOP - VF slow-path operation support */
107 #define BNX2X_VFOP_FILTER_ADD_CNT_MAX 0x10000
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
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
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
132 enum bnx2x_vfop_qsetup_state {
133 BNX2X_VFOP_QSETUP_CTOR,
134 BNX2X_VFOP_QSETUP_VLAN0,
135 BNX2X_VFOP_QSETUP_DONE
138 enum bnx2x_vfop_mcast_state {
139 BNX2X_VFOP_MCAST_DEL,
140 BNX2X_VFOP_MCAST_ADD,
141 BNX2X_VFOP_MCAST_CHK_DONE
143 enum bnx2x_vfop_qflr_state {
144 BNX2X_VFOP_QFLR_CLR_VLAN,
145 BNX2X_VFOP_QFLR_CLR_MAC,
146 BNX2X_VFOP_QFLR_TERMINATE,
150 enum bnx2x_vfop_flr_state {
151 BNX2X_VFOP_FLR_QUEUES,
155 enum bnx2x_vfop_close_state {
156 BNX2X_VFOP_CLOSE_QUEUES,
160 enum bnx2x_vfop_rxmode_state {
161 BNX2X_VFOP_RXMODE_CONFIG,
162 BNX2X_VFOP_RXMODE_DONE
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
173 enum bnx2x_vfop_rss_state {
174 BNX2X_VFOP_RSS_CONFIG,
178 #define bnx2x_vfop_reset_wq(vf) atomic_set(&vf->op_in_progress, 0)
180 void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf,
181 struct bnx2x_queue_init_params *init_params,
182 struct bnx2x_queue_setup_params *setup_params,
183 u16 q_idx, u16 sb_idx)
186 "VF[%d] Q_SETUP: txq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, flags=0x%lx, traffic-type=%d",
190 init_params->tx.sb_cq_index,
191 init_params->tx.hc_rate,
193 setup_params->txq_params.traffic_type);
196 void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf,
197 struct bnx2x_queue_init_params *init_params,
198 struct bnx2x_queue_setup_params *setup_params,
199 u16 q_idx, u16 sb_idx)
201 struct bnx2x_rxq_setup_params *rxq_params = &setup_params->rxq_params;
203 DP(BNX2X_MSG_IOV, "VF[%d] Q_SETUP: rxq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, mtu=%d, buf-size=%d\n"
204 "sge-size=%d, max_sge_pkt=%d, tpa-agg-size=%d, flags=0x%lx, drop-flags=0x%x, cache-log=%d\n",
208 init_params->rx.sb_cq_index,
209 init_params->rx.hc_rate,
210 setup_params->gen_params.mtu,
212 rxq_params->sge_buf_sz,
213 rxq_params->max_sges_pkt,
214 rxq_params->tpa_agg_sz,
216 rxq_params->drop_flags,
217 rxq_params->cache_line_log);
220 void bnx2x_vfop_qctor_prep(struct bnx2x *bp,
221 struct bnx2x_virtf *vf,
222 struct bnx2x_vf_queue *q,
223 struct bnx2x_vfop_qctor_params *p,
224 unsigned long q_type)
226 struct bnx2x_queue_init_params *init_p = &p->qstate.params.init;
227 struct bnx2x_queue_setup_params *setup_p = &p->prep_qsetup;
231 /* Enable host coalescing in the transition to INIT state */
232 if (test_bit(BNX2X_Q_FLG_HC, &init_p->rx.flags))
233 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->rx.flags);
235 if (test_bit(BNX2X_Q_FLG_HC, &init_p->tx.flags))
236 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->tx.flags);
239 init_p->rx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
240 init_p->tx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
243 init_p->cxts[0] = q->cxt;
247 /* Setup-op general parameters */
248 setup_p->gen_params.spcl_id = vf->sp_cl_id;
249 setup_p->gen_params.stat_id = vfq_stat_id(vf, q);
251 /* Setup-op pause params:
252 * Nothing to do, the pause thresholds are set by default to 0 which
253 * effectively turns off the feature for this queue. We don't want
254 * one queue (VF) to interfering with another queue (another VF)
256 if (vf->cfg_flags & VF_CFG_FW_FC)
257 BNX2X_ERR("No support for pause to VFs (abs_vfid: %d)\n",
260 * collect statistics, zero statistics, local-switching, security,
261 * OV for Flex10, RSS and MCAST for leading
263 if (test_bit(BNX2X_Q_FLG_STATS, &setup_p->flags))
264 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &setup_p->flags);
266 /* for VFs, enable tx switching, bd coherency, and mac address
269 __set_bit(BNX2X_Q_FLG_TX_SWITCH, &setup_p->flags);
270 __set_bit(BNX2X_Q_FLG_TX_SEC, &setup_p->flags);
271 __set_bit(BNX2X_Q_FLG_ANTI_SPOOF, &setup_p->flags);
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;
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);
281 if (test_bit(BNX2X_Q_FLG_TPA, &setup_p->flags))
282 rxq_p->max_tpa_queues = BNX2X_VF_MAX_TPA_AGG_QUEUES;
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);
292 /* VFOP queue construction */
293 static void bnx2x_vfop_qctor(struct bnx2x *bp, struct bnx2x_virtf *vf)
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;
300 bnx2x_vfop_reset_wq(vf);
305 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
308 case BNX2X_VFOP_QCTOR_INIT:
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) {
314 "Entered qctor but queue was already up. Aborting gracefully\n");
319 vfop->state = BNX2X_VFOP_QCTOR_SETUP;
321 q_params->cmd = BNX2X_Q_CMD_INIT;
322 vfop->rc = bnx2x_queue_state_change(bp, q_params);
324 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
326 case BNX2X_VFOP_QCTOR_SETUP:
328 vfop->state = BNX2X_VFOP_QCTOR_INT_EN;
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;
334 q_params->cmd = BNX2X_Q_CMD_SETUP;
335 vfop->rc = bnx2x_queue_state_change(bp, q_params);
337 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
339 case BNX2X_VFOP_QCTOR_INT_EN:
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);
346 bnx2x_vfop_default(state);
349 BNX2X_ERR("QCTOR[%d:%d] error: cmd %d, rc %d\n",
350 vf->abs_vfid, args->qid, q_params->cmd, vfop->rc);
352 bnx2x_vfop_end(bp, vf, vfop);
357 static int bnx2x_vfop_qctor_cmd(struct bnx2x *bp,
358 struct bnx2x_virtf *vf,
359 struct bnx2x_vfop_cmd *cmd,
362 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
365 vf->op_params.qctor.qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj);
367 vfop->args.qctor.qid = qid;
368 vfop->args.qctor.sb_idx = bnx2x_vfq(vf, qid, sb_idx);
370 bnx2x_vfop_opset(BNX2X_VFOP_QCTOR_INIT,
371 bnx2x_vfop_qctor, cmd->done);
372 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qctor,
378 /* VFOP queue destruction */
379 static void bnx2x_vfop_qdtor(struct bnx2x *bp, struct bnx2x_virtf *vf)
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;
386 bnx2x_vfop_reset_wq(vf);
391 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
394 case BNX2X_VFOP_QDTOR_HALT:
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) {
400 "Entered qdtor but queue was already stopped. Aborting gracefully\n");
403 vfop->state = BNX2X_VFOP_QDTOR_DONE;
405 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
409 vfop->state = BNX2X_VFOP_QDTOR_TERMINATE;
411 q_params->cmd = BNX2X_Q_CMD_HALT;
412 vfop->rc = bnx2x_queue_state_change(bp, q_params);
414 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
416 case BNX2X_VFOP_QDTOR_TERMINATE:
418 vfop->state = BNX2X_VFOP_QDTOR_CFCDEL;
420 q_params->cmd = BNX2X_Q_CMD_TERMINATE;
421 vfop->rc = bnx2x_queue_state_change(bp, q_params);
423 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
425 case BNX2X_VFOP_QDTOR_CFCDEL:
427 vfop->state = BNX2X_VFOP_QDTOR_DONE;
429 q_params->cmd = BNX2X_Q_CMD_CFC_DEL;
430 vfop->rc = bnx2x_queue_state_change(bp, q_params);
432 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
434 BNX2X_ERR("QDTOR[%d:%d] error: cmd %d, rc %d\n",
435 vf->abs_vfid, qdtor->qid, q_params->cmd, vfop->rc);
437 case BNX2X_VFOP_QDTOR_DONE:
438 /* invalidate the context */
440 qdtor->cxt->ustorm_ag_context.cdu_usage = 0;
441 qdtor->cxt->xstorm_ag_context.cdu_reserved = 0;
443 bnx2x_vfop_end(bp, vf, vfop);
446 bnx2x_vfop_default(state);
452 static int bnx2x_vfop_qdtor_cmd(struct bnx2x *bp,
453 struct bnx2x_virtf *vf,
454 struct bnx2x_vfop_cmd *cmd,
457 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
460 struct bnx2x_queue_state_params *qstate =
461 &vf->op_params.qctor.qstate;
463 memset(qstate, 0, sizeof(*qstate));
464 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
466 vfop->args.qdtor.qid = qid;
467 vfop->args.qdtor.cxt = bnx2x_vfq(vf, qid, cxt);
469 bnx2x_vfop_opset(BNX2X_VFOP_QDTOR_HALT,
470 bnx2x_vfop_qdtor, cmd->done);
471 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdtor,
474 BNX2X_ERR("VF[%d] failed to add a vfop\n", vf->abs_vfid);
480 bnx2x_vf_set_igu_info(struct bnx2x *bp, u8 igu_sb_id, u8 abs_vfid)
482 struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
484 /* the first igu entry belonging to VFs of this PF */
485 if (!BP_VFDB(bp)->first_vf_igu_entry)
486 BP_VFDB(bp)->first_vf_igu_entry = igu_sb_id;
488 /* the first igu entry belonging to this VF */
489 if (!vf_sb_count(vf))
490 vf->igu_base_id = igu_sb_id;
495 BP_VFDB(bp)->vf_sbs_pool++;
498 /* VFOP MAC/VLAN helpers */
499 static inline void bnx2x_vfop_credit(struct bnx2x *bp,
500 struct bnx2x_vfop *vfop,
501 struct bnx2x_vlan_mac_obj *obj)
503 struct bnx2x_vfop_args_filters *args = &vfop->args.filters;
505 /* update credit only if there is no error
506 * and a valid credit counter
508 if (!vfop->rc && args->credit) {
509 struct list_head *pos;
513 read_lock = bnx2x_vlan_mac_h_read_lock(bp, obj);
515 DP(BNX2X_MSG_SP, "Failed to take vlan mac read head; continuing anyway\n");
517 list_for_each(pos, &obj->head)
521 bnx2x_vlan_mac_h_read_unlock(bp, obj);
523 atomic_set(args->credit, cnt);
527 static int bnx2x_vfop_set_user_req(struct bnx2x *bp,
528 struct bnx2x_vfop_filter *pos,
529 struct bnx2x_vlan_mac_data *user_req)
531 user_req->cmd = pos->add ? BNX2X_VLAN_MAC_ADD :
535 case BNX2X_VFOP_FILTER_MAC:
536 memcpy(user_req->u.mac.mac, pos->mac, ETH_ALEN);
538 case BNX2X_VFOP_FILTER_VLAN:
539 user_req->u.vlan.vlan = pos->vid;
542 BNX2X_ERR("Invalid filter type, skipping\n");
548 static int bnx2x_vfop_config_list(struct bnx2x *bp,
549 struct bnx2x_vfop_filters *filters,
550 struct bnx2x_vlan_mac_ramrod_params *vlan_mac)
552 struct bnx2x_vfop_filter *pos, *tmp;
553 struct list_head rollback_list, *filters_list = &filters->head;
554 struct bnx2x_vlan_mac_data *user_req = &vlan_mac->user_req;
557 INIT_LIST_HEAD(&rollback_list);
559 list_for_each_entry_safe(pos, tmp, filters_list, link) {
560 if (bnx2x_vfop_set_user_req(bp, pos, user_req))
563 rc = bnx2x_config_vlan_mac(bp, vlan_mac);
565 cnt += pos->add ? 1 : -1;
566 list_move(&pos->link, &rollback_list);
568 } else if (rc == -EEXIST) {
571 BNX2X_ERR("Failed to add a new vlan_mac command\n");
576 /* rollback if error or too many rules added */
577 if (rc || cnt > filters->add_cnt) {
578 BNX2X_ERR("error or too many rules added. Performing rollback\n");
579 list_for_each_entry_safe(pos, tmp, &rollback_list, link) {
580 pos->add = !pos->add; /* reverse op */
581 bnx2x_vfop_set_user_req(bp, pos, user_req);
582 bnx2x_config_vlan_mac(bp, vlan_mac);
583 list_del(&pos->link);
589 filters->add_cnt = cnt;
593 /* VFOP set VLAN/MAC */
594 static void bnx2x_vfop_vlan_mac(struct bnx2x *bp, struct bnx2x_virtf *vf)
596 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
597 struct bnx2x_vlan_mac_ramrod_params *vlan_mac = &vfop->op_p->vlan_mac;
598 struct bnx2x_vlan_mac_obj *obj = vlan_mac->vlan_mac_obj;
599 struct bnx2x_vfop_filters *filters = vfop->args.filters.multi_filter;
601 enum bnx2x_vfop_vlan_mac_state state = vfop->state;
606 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
608 bnx2x_vfop_reset_wq(vf);
611 case BNX2X_VFOP_VLAN_MAC_CLEAR:
613 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
616 vfop->rc = obj->delete_all(bp, obj,
617 &vlan_mac->user_req.vlan_mac_flags,
618 &vlan_mac->ramrod_flags);
620 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
622 case BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE:
624 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
627 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
628 if (vfop->rc == -EEXIST)
631 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
633 case BNX2X_VFOP_VLAN_MAC_CHK_DONE:
634 vfop->rc = !!obj->raw.check_pending(&obj->raw);
635 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
637 case BNX2X_VFOP_MAC_CONFIG_LIST:
639 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
642 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
646 set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
647 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
648 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
650 case BNX2X_VFOP_VLAN_CONFIG_LIST:
652 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
655 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
657 set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
658 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
660 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
663 bnx2x_vfop_default(state);
666 BNX2X_ERR("VLAN-MAC error: rc %d\n", vfop->rc);
669 bnx2x_vfop_credit(bp, vfop, obj);
670 bnx2x_vfop_end(bp, vf, vfop);
675 struct bnx2x_vfop_vlan_mac_flags {
683 bnx2x_vfop_vlan_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
684 struct bnx2x_vfop_vlan_mac_flags *flags)
686 struct bnx2x_vlan_mac_data *ureq = &ramrod->user_req;
688 memset(ramrod, 0, sizeof(*ramrod));
692 set_bit(RAMROD_DRV_CLR_ONLY, &ramrod->ramrod_flags);
693 if (flags->single_cmd)
694 set_bit(RAMROD_EXEC, &ramrod->ramrod_flags);
697 if (flags->dont_consume)
698 set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, &ureq->vlan_mac_flags);
701 ureq->cmd = flags->add ? BNX2X_VLAN_MAC_ADD : BNX2X_VLAN_MAC_DEL;
705 bnx2x_vfop_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
706 struct bnx2x_vfop_vlan_mac_flags *flags)
708 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, flags);
709 set_bit(BNX2X_ETH_MAC, &ramrod->user_req.vlan_mac_flags);
712 static int bnx2x_vfop_mac_delall_cmd(struct bnx2x *bp,
713 struct bnx2x_virtf *vf,
714 struct bnx2x_vfop_cmd *cmd,
715 int qid, bool drv_only)
717 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
721 struct bnx2x_vfop_args_filters filters = {
722 .multi_filter = NULL, /* single */
723 .credit = NULL, /* consume credit */
725 struct bnx2x_vfop_vlan_mac_flags flags = {
726 .drv_only = drv_only,
727 .dont_consume = (filters.credit != NULL),
729 .add = false /* don't care */,
731 struct bnx2x_vlan_mac_ramrod_params *ramrod =
732 &vf->op_params.vlan_mac;
734 /* set ramrod params */
735 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
738 rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, mac_obj));
741 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
744 vfop->args.filters = filters;
746 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
747 bnx2x_vfop_vlan_mac, cmd->done);
748 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
754 int bnx2x_vfop_mac_list_cmd(struct bnx2x *bp,
755 struct bnx2x_virtf *vf,
756 struct bnx2x_vfop_cmd *cmd,
757 struct bnx2x_vfop_filters *macs,
758 int qid, bool drv_only)
760 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
764 struct bnx2x_vfop_args_filters filters = {
765 .multi_filter = macs,
766 .credit = NULL, /* consume credit */
768 struct bnx2x_vfop_vlan_mac_flags flags = {
769 .drv_only = drv_only,
770 .dont_consume = (filters.credit != NULL),
772 .add = false, /* don't care since only the items in the
773 * filters list affect the sp operation,
774 * not the list itself
777 struct bnx2x_vlan_mac_ramrod_params *ramrod =
778 &vf->op_params.vlan_mac;
780 /* set ramrod params */
781 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
784 rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, mac_obj));
787 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
790 filters.multi_filter->add_cnt = BNX2X_VFOP_FILTER_ADD_CNT_MAX;
791 vfop->args.filters = filters;
793 bnx2x_vfop_opset(BNX2X_VFOP_MAC_CONFIG_LIST,
794 bnx2x_vfop_vlan_mac, cmd->done);
795 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
801 int bnx2x_vfop_vlan_set_cmd(struct bnx2x *bp,
802 struct bnx2x_virtf *vf,
803 struct bnx2x_vfop_cmd *cmd,
804 int qid, u16 vid, bool add)
806 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
810 struct bnx2x_vfop_args_filters filters = {
811 .multi_filter = NULL, /* single command */
812 .credit = &bnx2x_vfq(vf, qid, vlan_count),
814 struct bnx2x_vfop_vlan_mac_flags flags = {
816 .dont_consume = (filters.credit != NULL),
820 struct bnx2x_vlan_mac_ramrod_params *ramrod =
821 &vf->op_params.vlan_mac;
823 /* set ramrod params */
824 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
825 ramrod->user_req.u.vlan.vlan = vid;
828 rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj));
831 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
834 vfop->args.filters = filters;
836 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE,
837 bnx2x_vfop_vlan_mac, cmd->done);
838 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
844 static int bnx2x_vfop_vlan_delall_cmd(struct bnx2x *bp,
845 struct bnx2x_virtf *vf,
846 struct bnx2x_vfop_cmd *cmd,
847 int qid, bool drv_only)
849 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
853 struct bnx2x_vfop_args_filters filters = {
854 .multi_filter = NULL, /* single command */
855 .credit = &bnx2x_vfq(vf, qid, vlan_count),
857 struct bnx2x_vfop_vlan_mac_flags flags = {
858 .drv_only = drv_only,
859 .dont_consume = (filters.credit != NULL),
861 .add = false, /* don't care */
863 struct bnx2x_vlan_mac_ramrod_params *ramrod =
864 &vf->op_params.vlan_mac;
866 /* set ramrod params */
867 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
870 rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj));
873 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
876 vfop->args.filters = filters;
878 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
879 bnx2x_vfop_vlan_mac, cmd->done);
880 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
886 int bnx2x_vfop_vlan_list_cmd(struct bnx2x *bp,
887 struct bnx2x_virtf *vf,
888 struct bnx2x_vfop_cmd *cmd,
889 struct bnx2x_vfop_filters *vlans,
890 int qid, bool drv_only)
892 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
896 struct bnx2x_vfop_args_filters filters = {
897 .multi_filter = vlans,
898 .credit = &bnx2x_vfq(vf, qid, vlan_count),
900 struct bnx2x_vfop_vlan_mac_flags flags = {
901 .drv_only = drv_only,
902 .dont_consume = (filters.credit != NULL),
904 .add = false, /* don't care */
906 struct bnx2x_vlan_mac_ramrod_params *ramrod =
907 &vf->op_params.vlan_mac;
909 /* set ramrod params */
910 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
913 rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj));
916 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
919 filters.multi_filter->add_cnt = vf_vlan_rules_cnt(vf) -
920 atomic_read(filters.credit);
922 vfop->args.filters = filters;
924 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_CONFIG_LIST,
925 bnx2x_vfop_vlan_mac, cmd->done);
926 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
932 /* VFOP queue setup (queue constructor + set vlan 0) */
933 static void bnx2x_vfop_qsetup(struct bnx2x *bp, struct bnx2x_virtf *vf)
935 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
936 int qid = vfop->args.qctor.qid;
937 enum bnx2x_vfop_qsetup_state state = vfop->state;
938 struct bnx2x_vfop_cmd cmd = {
939 .done = bnx2x_vfop_qsetup,
946 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
949 case BNX2X_VFOP_QSETUP_CTOR:
950 /* init the queue ctor command */
951 vfop->state = BNX2X_VFOP_QSETUP_VLAN0;
952 vfop->rc = bnx2x_vfop_qctor_cmd(bp, vf, &cmd, qid);
957 case BNX2X_VFOP_QSETUP_VLAN0:
958 /* skip if non-leading or FPGA/EMU*/
962 /* init the queue set-vlan command (for vlan 0) */
963 vfop->state = BNX2X_VFOP_QSETUP_DONE;
964 vfop->rc = bnx2x_vfop_vlan_set_cmd(bp, vf, &cmd, qid, 0, true);
969 BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf->abs_vfid, qid, vfop->rc);
971 case BNX2X_VFOP_QSETUP_DONE:
972 vf->cfg_flags |= VF_CFG_VLAN;
973 smp_mb__before_clear_bit();
974 set_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN,
976 smp_mb__after_clear_bit();
977 schedule_delayed_work(&bp->sp_rtnl_task, 0);
978 bnx2x_vfop_end(bp, vf, vfop);
981 bnx2x_vfop_default(state);
985 int bnx2x_vfop_qsetup_cmd(struct bnx2x *bp,
986 struct bnx2x_virtf *vf,
987 struct bnx2x_vfop_cmd *cmd,
990 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
993 vfop->args.qctor.qid = qid;
995 bnx2x_vfop_opset(BNX2X_VFOP_QSETUP_CTOR,
996 bnx2x_vfop_qsetup, cmd->done);
997 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qsetup,
1003 /* VFOP queue FLR handling (clear vlans, clear macs, queue destructor) */
1004 static void bnx2x_vfop_qflr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1006 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1007 int qid = vfop->args.qx.qid;
1008 enum bnx2x_vfop_qflr_state state = vfop->state;
1009 struct bnx2x_queue_state_params *qstate;
1010 struct bnx2x_vfop_cmd cmd;
1012 bnx2x_vfop_reset_wq(vf);
1017 DP(BNX2X_MSG_IOV, "VF[%d] STATE: %d\n", vf->abs_vfid, state);
1019 cmd.done = bnx2x_vfop_qflr;
1023 case BNX2X_VFOP_QFLR_CLR_VLAN:
1024 /* vlan-clear-all: driver-only, don't consume credit */
1025 vfop->state = BNX2X_VFOP_QFLR_CLR_MAC;
1026 if (!validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj)))
1027 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid,
1031 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1033 case BNX2X_VFOP_QFLR_CLR_MAC:
1034 /* mac-clear-all: driver only consume credit */
1035 vfop->state = BNX2X_VFOP_QFLR_TERMINATE;
1036 if (!validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, mac_obj)))
1037 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid,
1040 "VF[%d] vfop->rc after bnx2x_vfop_mac_delall_cmd was %d",
1041 vf->abs_vfid, vfop->rc);
1044 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1046 case BNX2X_VFOP_QFLR_TERMINATE:
1047 qstate = &vfop->op_p->qctor.qstate;
1048 memset(qstate , 0, sizeof(*qstate));
1049 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
1050 vfop->state = BNX2X_VFOP_QFLR_DONE;
1052 DP(BNX2X_MSG_IOV, "VF[%d] qstate during flr was %d\n",
1053 vf->abs_vfid, qstate->q_obj->state);
1055 if (qstate->q_obj->state != BNX2X_Q_STATE_RESET) {
1056 qstate->q_obj->state = BNX2X_Q_STATE_STOPPED;
1057 qstate->cmd = BNX2X_Q_CMD_TERMINATE;
1058 vfop->rc = bnx2x_queue_state_change(bp, qstate);
1059 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_VERIFY_PEND);
1065 BNX2X_ERR("QFLR[%d:%d] error: rc %d\n",
1066 vf->abs_vfid, qid, vfop->rc);
1068 case BNX2X_VFOP_QFLR_DONE:
1069 bnx2x_vfop_end(bp, vf, vfop);
1072 bnx2x_vfop_default(state);
1078 static int bnx2x_vfop_qflr_cmd(struct bnx2x *bp,
1079 struct bnx2x_virtf *vf,
1080 struct bnx2x_vfop_cmd *cmd,
1083 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1086 vfop->args.qx.qid = qid;
1087 bnx2x_vfop_opset(BNX2X_VFOP_QFLR_CLR_VLAN,
1088 bnx2x_vfop_qflr, cmd->done);
1089 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qflr,
1095 /* VFOP multi-casts */
1096 static void bnx2x_vfop_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf)
1098 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1099 struct bnx2x_mcast_ramrod_params *mcast = &vfop->op_p->mcast;
1100 struct bnx2x_raw_obj *raw = &mcast->mcast_obj->raw;
1101 struct bnx2x_vfop_args_mcast *args = &vfop->args.mc_list;
1102 enum bnx2x_vfop_mcast_state state = vfop->state;
1105 bnx2x_vfop_reset_wq(vf);
1110 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1113 case BNX2X_VFOP_MCAST_DEL:
1114 /* clear existing mcasts */
1115 vfop->state = BNX2X_VFOP_MCAST_ADD;
1116 vfop->rc = bnx2x_config_mcast(bp, mcast, BNX2X_MCAST_CMD_DEL);
1117 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1119 case BNX2X_VFOP_MCAST_ADD:
1120 if (raw->check_pending(raw))
1124 /* update mcast list on the ramrod params */
1125 INIT_LIST_HEAD(&mcast->mcast_list);
1126 for (i = 0; i < args->mc_num; i++)
1127 list_add_tail(&(args->mc[i].link),
1128 &mcast->mcast_list);
1129 /* add new mcasts */
1130 vfop->state = BNX2X_VFOP_MCAST_CHK_DONE;
1131 vfop->rc = bnx2x_config_mcast(bp, mcast,
1132 BNX2X_MCAST_CMD_ADD);
1134 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1136 case BNX2X_VFOP_MCAST_CHK_DONE:
1137 vfop->rc = raw->check_pending(raw) ? 1 : 0;
1138 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1140 bnx2x_vfop_default(state);
1143 BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop->rc);
1146 bnx2x_vfop_end(bp, vf, vfop);
1151 int bnx2x_vfop_mcast_cmd(struct bnx2x *bp,
1152 struct bnx2x_virtf *vf,
1153 struct bnx2x_vfop_cmd *cmd,
1154 bnx2x_mac_addr_t *mcasts,
1155 int mcast_num, bool drv_only)
1157 struct bnx2x_vfop *vfop = NULL;
1158 size_t mc_sz = mcast_num * sizeof(struct bnx2x_mcast_list_elem);
1159 struct bnx2x_mcast_list_elem *mc = mc_sz ? kzalloc(mc_sz, GFP_KERNEL) :
1163 vfop = bnx2x_vfop_add(bp, vf);
1166 struct bnx2x_mcast_ramrod_params *ramrod =
1167 &vf->op_params.mcast;
1169 /* set ramrod params */
1170 memset(ramrod, 0, sizeof(*ramrod));
1171 ramrod->mcast_obj = &vf->mcast_obj;
1173 set_bit(RAMROD_DRV_CLR_ONLY,
1174 &ramrod->ramrod_flags);
1176 /* copy mcasts pointers */
1177 vfop->args.mc_list.mc_num = mcast_num;
1178 vfop->args.mc_list.mc = mc;
1179 for (i = 0; i < mcast_num; i++)
1180 mc[i].mac = mcasts[i];
1182 bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL,
1183 bnx2x_vfop_mcast, cmd->done);
1184 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mcast,
1194 static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf)
1196 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1197 struct bnx2x_rx_mode_ramrod_params *ramrod = &vfop->op_p->rx_mode;
1198 enum bnx2x_vfop_rxmode_state state = vfop->state;
1200 bnx2x_vfop_reset_wq(vf);
1205 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1208 case BNX2X_VFOP_RXMODE_CONFIG:
1210 vfop->state = BNX2X_VFOP_RXMODE_DONE;
1212 /* record the accept flags in vfdb so hypervisor can modify them
1215 bnx2x_vfq(vf, ramrod->cl_id - vf->igu_base_id, accept_flags) =
1216 ramrod->rx_accept_flags;
1217 vfop->rc = bnx2x_config_rx_mode(bp, ramrod);
1218 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1220 BNX2X_ERR("RXMODE error: rc %d\n", vfop->rc);
1222 case BNX2X_VFOP_RXMODE_DONE:
1223 bnx2x_vfop_end(bp, vf, vfop);
1226 bnx2x_vfop_default(state);
1232 static void bnx2x_vf_prep_rx_mode(struct bnx2x *bp, u8 qid,
1233 struct bnx2x_rx_mode_ramrod_params *ramrod,
1234 struct bnx2x_virtf *vf,
1235 unsigned long accept_flags)
1237 struct bnx2x_vf_queue *vfq = vfq_get(vf, qid);
1239 memset(ramrod, 0, sizeof(*ramrod));
1240 ramrod->cid = vfq->cid;
1241 ramrod->cl_id = vfq_cl_id(vf, vfq);
1242 ramrod->rx_mode_obj = &bp->rx_mode_obj;
1243 ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid);
1244 ramrod->rx_accept_flags = accept_flags;
1245 ramrod->tx_accept_flags = accept_flags;
1246 ramrod->pstate = &vf->filter_state;
1247 ramrod->state = BNX2X_FILTER_RX_MODE_PENDING;
1249 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
1250 set_bit(RAMROD_RX, &ramrod->ramrod_flags);
1251 set_bit(RAMROD_TX, &ramrod->ramrod_flags);
1253 ramrod->rdata = bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2);
1254 ramrod->rdata_mapping = bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2);
1257 int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp,
1258 struct bnx2x_virtf *vf,
1259 struct bnx2x_vfop_cmd *cmd,
1260 int qid, unsigned long accept_flags)
1262 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1265 struct bnx2x_rx_mode_ramrod_params *ramrod =
1266 &vf->op_params.rx_mode;
1268 bnx2x_vf_prep_rx_mode(bp, qid, ramrod, vf, accept_flags);
1270 bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG,
1271 bnx2x_vfop_rxmode, cmd->done);
1272 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rxmode,
1278 /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs,
1281 static void bnx2x_vfop_qdown(struct bnx2x *bp, struct bnx2x_virtf *vf)
1283 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1284 int qid = vfop->args.qx.qid;
1285 enum bnx2x_vfop_qteardown_state state = vfop->state;
1286 struct bnx2x_vfop_cmd cmd;
1291 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1293 cmd.done = bnx2x_vfop_qdown;
1297 case BNX2X_VFOP_QTEARDOWN_RXMODE:
1299 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_VLAN;
1300 vfop->rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, qid, 0);
1305 case BNX2X_VFOP_QTEARDOWN_CLR_VLAN:
1306 /* vlan-clear-all: don't consume credit */
1307 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MAC;
1308 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, false);
1313 case BNX2X_VFOP_QTEARDOWN_CLR_MAC:
1314 /* mac-clear-all: consume credit */
1315 vfop->state = BNX2X_VFOP_QTEARDOWN_QDTOR;
1316 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, false);
1321 case BNX2X_VFOP_QTEARDOWN_QDTOR:
1322 /* run the queue destruction flow */
1323 DP(BNX2X_MSG_IOV, "case: BNX2X_VFOP_QTEARDOWN_QDTOR\n");
1324 vfop->state = BNX2X_VFOP_QTEARDOWN_DONE;
1325 DP(BNX2X_MSG_IOV, "new state: BNX2X_VFOP_QTEARDOWN_DONE\n");
1326 vfop->rc = bnx2x_vfop_qdtor_cmd(bp, vf, &cmd, qid);
1327 DP(BNX2X_MSG_IOV, "returned from cmd\n");
1332 BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n",
1333 vf->abs_vfid, qid, vfop->rc);
1335 case BNX2X_VFOP_QTEARDOWN_DONE:
1336 bnx2x_vfop_end(bp, vf, vfop);
1339 bnx2x_vfop_default(state);
1343 int bnx2x_vfop_qdown_cmd(struct bnx2x *bp,
1344 struct bnx2x_virtf *vf,
1345 struct bnx2x_vfop_cmd *cmd,
1348 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1350 /* for non leading queues skip directly to qdown sate */
1352 vfop->args.qx.qid = qid;
1353 bnx2x_vfop_opset(qid == LEADING_IDX ?
1354 BNX2X_VFOP_QTEARDOWN_RXMODE :
1355 BNX2X_VFOP_QTEARDOWN_QDTOR, bnx2x_vfop_qdown,
1357 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdown,
1364 /* VF enable primitives
1365 * when pretend is required the caller is responsible
1366 * for calling pretend prior to calling these routines
1369 /* internal vf enable - until vf is enabled internally all transactions
1370 * are blocked. This routine should always be called last with pretend.
1372 static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable)
1374 REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0);
1377 /* clears vf error in all semi blocks */
1378 static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid)
1380 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid);
1381 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid);
1382 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid);
1383 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid);
1386 static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid)
1388 u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5;
1389 u32 was_err_reg = 0;
1391 switch (was_err_group) {
1393 was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR;
1396 was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR;
1399 was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR;
1402 was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR;
1405 REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f));
1408 static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf)
1413 /* Set VF masks and configuration - pretend */
1414 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1416 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
1417 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
1418 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
1419 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
1420 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
1421 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
1423 val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
1424 val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN);
1425 if (vf->cfg_flags & VF_CFG_INT_SIMD)
1426 val |= IGU_VF_CONF_SINGLE_ISR_EN;
1427 val &= ~IGU_VF_CONF_PARENT_MASK;
1428 val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */
1429 REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
1432 "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n",
1433 vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION));
1435 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1437 /* iterate over all queues, clear sb consumer */
1438 for (i = 0; i < vf_sb_count(vf); i++) {
1439 u8 igu_sb_id = vf_igu_sb(vf, i);
1441 /* zero prod memory */
1442 REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0);
1444 /* clear sb state machine */
1445 bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id,
1448 /* disable + update */
1449 bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0,
1450 IGU_INT_DISABLE, 1);
1454 void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid)
1456 /* set the VF-PF association in the FW */
1457 storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp));
1458 storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1);
1460 /* clear vf errors*/
1461 bnx2x_vf_semi_clear_err(bp, abs_vfid);
1462 bnx2x_vf_pglue_clear_err(bp, abs_vfid);
1464 /* internal vf-enable - pretend */
1465 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid));
1466 DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid);
1467 bnx2x_vf_enable_internal(bp, true);
1468 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1471 static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf)
1473 /* Reset vf in IGU interrupts are still disabled */
1474 bnx2x_vf_igu_reset(bp, vf);
1476 /* pretend to enable the vf with the PBF */
1477 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1478 REG_WR(bp, PBF_REG_DISABLE_VF, 0);
1479 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1482 static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid)
1484 struct pci_dev *dev;
1485 struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
1490 dev = pci_get_bus_and_slot(vf->bus, vf->devfn);
1492 return bnx2x_is_pcie_pending(dev);
1496 int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid)
1498 /* Verify no pending pci transactions */
1499 if (bnx2x_vf_is_pcie_pending(bp, abs_vfid))
1500 BNX2X_ERR("PCIE Transactions still pending\n");
1505 /* must be called after the number of PF queues and the number of VFs are
1509 bnx2x_iov_static_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1511 struct vf_pf_resc_request *resc = &vf->alloc_resc;
1514 /* will be set only during VF-ACQUIRE */
1518 /* no credit calculations for macs (just yet) */
1519 resc->num_mac_filters = 1;
1521 /* divvy up vlan rules */
1522 vlan_count = bp->vlans_pool.check(&bp->vlans_pool);
1523 vlan_count = 1 << ilog2(vlan_count);
1524 resc->num_vlan_filters = vlan_count / BNX2X_NR_VIRTFN(bp);
1526 /* no real limitation */
1527 resc->num_mc_filters = 0;
1529 /* num_sbs already set */
1530 resc->num_sbs = vf->sb_count;
1534 static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1536 /* reset the state variables */
1537 bnx2x_iov_static_resc(bp, vf);
1538 vf->state = VF_FREE;
1541 static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf)
1543 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1545 /* DQ usage counter */
1546 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1547 bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT,
1548 "DQ VF usage counter timed out",
1550 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1552 /* FW cleanup command - poll for the results */
1553 if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid),
1555 BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid);
1557 /* verify TX hw is flushed */
1558 bnx2x_tx_hw_flushed(bp, poll_cnt);
1561 static void bnx2x_vfop_flr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1563 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1564 struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
1565 enum bnx2x_vfop_flr_state state = vfop->state;
1566 struct bnx2x_vfop_cmd cmd = {
1567 .done = bnx2x_vfop_flr,
1574 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1577 case BNX2X_VFOP_FLR_QUEUES:
1578 /* the cleanup operations are valid if and only if the VF
1579 * was first acquired.
1581 if (++(qx->qid) < vf_rxq_count(vf)) {
1582 vfop->rc = bnx2x_vfop_qflr_cmd(bp, vf, &cmd,
1588 /* remove multicasts */
1589 vfop->state = BNX2X_VFOP_FLR_HW;
1590 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL,
1595 case BNX2X_VFOP_FLR_HW:
1597 /* dispatch final cleanup and wait for HW queues to flush */
1598 bnx2x_vf_flr_clnup_hw(bp, vf);
1600 /* release VF resources */
1601 bnx2x_vf_free_resc(bp, vf);
1603 /* re-open the mailbox */
1604 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
1608 bnx2x_vfop_default(state);
1611 BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf->abs_vfid, vfop->rc);
1613 vf->flr_clnup_stage = VF_FLR_ACK;
1614 bnx2x_vfop_end(bp, vf, vfop);
1615 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1618 static int bnx2x_vfop_flr_cmd(struct bnx2x *bp,
1619 struct bnx2x_virtf *vf,
1620 vfop_handler_t done)
1622 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1624 vfop->args.qx.qid = -1; /* loop */
1625 bnx2x_vfop_opset(BNX2X_VFOP_FLR_QUEUES,
1626 bnx2x_vfop_flr, done);
1627 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_flr, false);
1632 static void bnx2x_vf_flr_clnup(struct bnx2x *bp, struct bnx2x_virtf *prev_vf)
1634 int i = prev_vf ? prev_vf->index + 1 : 0;
1635 struct bnx2x_virtf *vf;
1637 /* find next VF to cleanup */
1640 i < BNX2X_NR_VIRTFN(bp) &&
1641 (bnx2x_vf(bp, i, state) != VF_RESET ||
1642 bnx2x_vf(bp, i, flr_clnup_stage) != VF_FLR_CLN);
1646 DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. Num of vfs: %d\n", i,
1647 BNX2X_NR_VIRTFN(bp));
1649 if (i < BNX2X_NR_VIRTFN(bp)) {
1652 /* lock the vf pf channel */
1653 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1655 /* invoke the VF FLR SM */
1656 if (bnx2x_vfop_flr_cmd(bp, vf, bnx2x_vf_flr_clnup)) {
1657 BNX2X_ERR("VF[%d]: FLR cleanup failed -ENOMEM\n",
1660 /* mark the VF to be ACKED and continue */
1661 vf->flr_clnup_stage = VF_FLR_ACK;
1662 goto next_vf_to_clean;
1667 /* we are done, update vf records */
1668 for_each_vf(bp, i) {
1671 if (vf->flr_clnup_stage != VF_FLR_ACK)
1674 vf->flr_clnup_stage = VF_FLR_EPILOG;
1677 /* Acknowledge the handled VFs.
1678 * we are acknowledge all the vfs which an flr was requested for, even
1679 * if amongst them there are such that we never opened, since the mcp
1680 * will interrupt us immediately again if we only ack some of the bits,
1681 * resulting in an endless loop. This can happen for example in KVM
1682 * where an 'all ones' flr request is sometimes given by hyper visor
1684 DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n",
1685 bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1686 for (i = 0; i < FLRD_VFS_DWORDS; i++)
1687 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i],
1688 bp->vfdb->flrd_vfs[i]);
1690 bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0);
1692 /* clear the acked bits - better yet if the MCP implemented
1693 * write to clear semantics
1695 for (i = 0; i < FLRD_VFS_DWORDS; i++)
1696 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0);
1699 void bnx2x_vf_handle_flr_event(struct bnx2x *bp)
1703 /* Read FLR'd VFs */
1704 for (i = 0; i < FLRD_VFS_DWORDS; i++)
1705 bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]);
1708 "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n",
1709 bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1711 for_each_vf(bp, i) {
1712 struct bnx2x_virtf *vf = BP_VF(bp, i);
1715 if (vf->abs_vfid < 32)
1716 reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid);
1718 reset = bp->vfdb->flrd_vfs[1] &
1719 (1 << (vf->abs_vfid - 32));
1722 /* set as reset and ready for cleanup */
1723 vf->state = VF_RESET;
1724 vf->flr_clnup_stage = VF_FLR_CLN;
1727 "Initiating Final cleanup for VF %d\n",
1732 /* do the FLR cleanup for all marked VFs*/
1733 bnx2x_vf_flr_clnup(bp, NULL);
1736 /* IOV global initialization routines */
1737 void bnx2x_iov_init_dq(struct bnx2x *bp)
1742 /* Set the DQ such that the CID reflect the abs_vfid */
1743 REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0);
1744 REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS));
1746 /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to
1749 REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID);
1751 /* The VF window size is the log2 of the max number of CIDs per VF */
1752 REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND);
1754 /* The VF doorbell size 0 - *B, 4 - 128B. We set it here to match
1755 * the Pf doorbell size although the 2 are independent.
1757 REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST, 3);
1759 /* No security checks for now -
1760 * configure single rule (out of 16) mask = 0x1, value = 0x0,
1761 * CID range 0 - 0x1ffff
1763 REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1);
1764 REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0);
1765 REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0);
1766 REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff);
1768 /* set the VF doorbell threshold */
1769 REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4);
1772 void bnx2x_iov_init_dmae(struct bnx2x *bp)
1774 if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV))
1775 REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
1778 static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
1780 struct pci_dev *dev = bp->pdev;
1781 struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1783 return dev->bus->number + ((dev->devfn + iov->offset +
1784 iov->stride * vfid) >> 8);
1787 static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid)
1789 struct pci_dev *dev = bp->pdev;
1790 struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1792 return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff;
1795 static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf)
1798 struct pci_dev *dev = bp->pdev;
1799 struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1801 for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) {
1802 u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i);
1803 u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i);
1806 vf->bars[n].bar = start + size * vf->abs_vfid;
1807 vf->bars[n].size = size;
1811 static int bnx2x_ari_enabled(struct pci_dev *dev)
1813 return dev->bus->self && dev->bus->self->ari_enabled;
1817 bnx2x_get_vf_igu_cam_info(struct bnx2x *bp)
1821 u8 fid, current_pf = 0;
1823 /* IGU in normal mode - read CAM */
1824 for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) {
1825 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4);
1826 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
1828 fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID);
1829 if (fid & IGU_FID_ENCODE_IS_PF)
1830 current_pf = fid & IGU_FID_PF_NUM_MASK;
1831 else if (current_pf == BP_FUNC(bp))
1832 bnx2x_vf_set_igu_info(bp, sb_id,
1833 (fid & IGU_FID_VF_NUM_MASK));
1834 DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n",
1835 ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"),
1836 ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) :
1837 (fid & IGU_FID_VF_NUM_MASK)), sb_id,
1838 GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR));
1840 DP(BNX2X_MSG_IOV, "vf_sbs_pool is %d\n", BP_VFDB(bp)->vf_sbs_pool);
1843 static void __bnx2x_iov_free_vfdb(struct bnx2x *bp)
1846 kfree(bp->vfdb->vfqs);
1847 kfree(bp->vfdb->vfs);
1853 static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1856 struct pci_dev *dev = bp->pdev;
1858 pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
1860 BNX2X_ERR("failed to find SRIOV capability in device\n");
1865 DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos);
1866 pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
1867 pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total);
1868 pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial);
1869 pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
1870 pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
1871 pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
1872 pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap);
1873 pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
1878 static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1882 /* read the SRIOV capability structure
1883 * The fields can be read via configuration read or
1884 * directly from the device (starting at offset PCICFG_OFFSET)
1886 if (bnx2x_sriov_pci_cfg_info(bp, iov))
1889 /* get the number of SRIOV bars */
1892 /* read the first_vfid */
1893 val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF);
1894 iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK)
1895 * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp));
1898 "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",
1900 iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total,
1901 iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
1906 /* must be called after PF bars are mapped */
1907 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
1911 struct bnx2x_sriov *iov;
1912 struct pci_dev *dev = bp->pdev;
1920 /* verify sriov capability is present in configuration space */
1921 if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV))
1924 /* verify chip revision */
1925 if (CHIP_IS_E1x(bp))
1928 /* check if SRIOV support is turned off */
1932 /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */
1933 if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) {
1934 BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n",
1935 BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID);
1939 /* SRIOV can be enabled only with MSIX */
1940 if (int_mode_param == BNX2X_INT_MODE_MSI ||
1941 int_mode_param == BNX2X_INT_MODE_INTX) {
1942 BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n");
1947 /* verify ari is enabled */
1948 if (!bnx2x_ari_enabled(bp->pdev)) {
1949 BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n");
1953 /* verify igu is in normal mode */
1954 if (CHIP_INT_MODE_IS_BC(bp)) {
1955 BNX2X_ERR("IGU not normal mode, SRIOV can not be enabled\n");
1959 /* allocate the vfs database */
1960 bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL);
1962 BNX2X_ERR("failed to allocate vf database\n");
1967 /* get the sriov info - Linux already collected all the pertinent
1968 * information, however the sriov structure is for the private use
1969 * of the pci module. Also we want this information regardless
1970 * of the hyper-visor.
1972 iov = &(bp->vfdb->sriov);
1973 err = bnx2x_sriov_info(bp, iov);
1977 /* SR-IOV capability was enabled but there are no VFs*/
1978 if (iov->total == 0)
1981 iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param);
1983 DP(BNX2X_MSG_IOV, "num_vfs_param was %d, nr_virtfn was %d\n",
1984 num_vfs_param, iov->nr_virtfn);
1986 /* allocate the vf array */
1987 bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) *
1988 BNX2X_NR_VIRTFN(bp), GFP_KERNEL);
1989 if (!bp->vfdb->vfs) {
1990 BNX2X_ERR("failed to allocate vf array\n");
1995 /* Initial VF init - index and abs_vfid - nr_virtfn must be set */
1996 for_each_vf(bp, i) {
1997 bnx2x_vf(bp, i, index) = i;
1998 bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i;
1999 bnx2x_vf(bp, i, state) = VF_FREE;
2000 INIT_LIST_HEAD(&bnx2x_vf(bp, i, op_list_head));
2001 mutex_init(&bnx2x_vf(bp, i, op_mutex));
2002 bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE;
2005 /* re-read the IGU CAM for VFs - index and abs_vfid must be set */
2006 bnx2x_get_vf_igu_cam_info(bp);
2008 /* allocate the queue arrays for all VFs */
2009 bp->vfdb->vfqs = kzalloc(
2010 BNX2X_MAX_NUM_VF_QUEUES * sizeof(struct bnx2x_vf_queue),
2013 DP(BNX2X_MSG_IOV, "bp->vfdb->vfqs was %p\n", bp->vfdb->vfqs);
2015 if (!bp->vfdb->vfqs) {
2016 BNX2X_ERR("failed to allocate vf queue array\n");
2023 DP(BNX2X_MSG_IOV, "Failed err=%d\n", err);
2024 __bnx2x_iov_free_vfdb(bp);
2028 void bnx2x_iov_remove_one(struct bnx2x *bp)
2032 /* if SRIOV is not enabled there's nothing to do */
2036 DP(BNX2X_MSG_IOV, "about to call disable sriov\n");
2037 pci_disable_sriov(bp->pdev);
2038 DP(BNX2X_MSG_IOV, "sriov disabled\n");
2040 /* disable access to all VFs */
2041 for (vf_idx = 0; vf_idx < bp->vfdb->sriov.total; vf_idx++) {
2042 bnx2x_pretend_func(bp,
2044 bp->vfdb->sriov.first_vf_in_pf +
2046 DP(BNX2X_MSG_IOV, "disabling internal access for vf %d\n",
2047 bp->vfdb->sriov.first_vf_in_pf + vf_idx);
2048 bnx2x_vf_enable_internal(bp, 0);
2049 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2052 /* free vf database */
2053 __bnx2x_iov_free_vfdb(bp);
2056 void bnx2x_iov_free_mem(struct bnx2x *bp)
2063 /* free vfs hw contexts */
2064 for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2065 struct hw_dma *cxt = &bp->vfdb->context[i];
2066 BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size);
2069 BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr,
2070 BP_VFDB(bp)->sp_dma.mapping,
2071 BP_VFDB(bp)->sp_dma.size);
2073 BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr,
2074 BP_VF_MBX_DMA(bp)->mapping,
2075 BP_VF_MBX_DMA(bp)->size);
2077 BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr,
2078 BP_VF_BULLETIN_DMA(bp)->mapping,
2079 BP_VF_BULLETIN_DMA(bp)->size);
2082 int bnx2x_iov_alloc_mem(struct bnx2x *bp)
2090 /* allocate vfs hw contexts */
2091 tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) *
2092 BNX2X_CIDS_PER_VF * sizeof(union cdu_context);
2094 for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2095 struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i);
2096 cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ);
2099 BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size);
2104 tot_size -= cxt->size;
2107 /* allocate vfs ramrods dma memory - client_init and set_mac */
2108 tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp);
2109 BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping,
2111 BP_VFDB(bp)->sp_dma.size = tot_size;
2113 /* allocate mailboxes */
2114 tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE;
2115 BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping,
2117 BP_VF_MBX_DMA(bp)->size = tot_size;
2119 /* allocate local bulletin boards */
2120 tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE;
2121 BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp)->addr,
2122 &BP_VF_BULLETIN_DMA(bp)->mapping, tot_size);
2123 BP_VF_BULLETIN_DMA(bp)->size = tot_size;
2131 static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
2132 struct bnx2x_vf_queue *q)
2134 u8 cl_id = vfq_cl_id(vf, q);
2135 u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
2136 unsigned long q_type = 0;
2138 set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
2139 set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
2141 /* Queue State object */
2142 bnx2x_init_queue_obj(bp, &q->sp_obj,
2143 cl_id, &q->cid, 1, func_id,
2144 bnx2x_vf_sp(bp, vf, q_data),
2145 bnx2x_vf_sp_map(bp, vf, q_data),
2149 "initialized vf %d's queue object. func id set to %d. cid set to 0x%x\n",
2150 vf->abs_vfid, q->sp_obj.func_id, q->cid);
2153 /* called by bnx2x_nic_load */
2154 int bnx2x_iov_nic_init(struct bnx2x *bp)
2158 if (!IS_SRIOV(bp)) {
2159 DP(BNX2X_MSG_IOV, "vfdb was not allocated\n");
2163 DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn);
2165 /* let FLR complete ... */
2168 /* initialize vf database */
2169 for_each_vf(bp, vfid) {
2170 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2172 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) *
2175 union cdu_context *base_cxt = (union cdu_context *)
2176 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2177 (base_vf_cid & (ILT_PAGE_CIDS-1));
2180 "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n",
2181 vf->abs_vfid, vf_sb_count(vf), base_vf_cid,
2182 BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt);
2184 /* init statically provisioned resources */
2185 bnx2x_iov_static_resc(bp, vf);
2187 /* queues are initialized during VF-ACQUIRE */
2189 /* reserve the vf vlan credit */
2190 bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf));
2192 vf->filter_state = 0;
2193 vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id);
2195 /* init mcast object - This object will be re-initialized
2196 * during VF-ACQUIRE with the proper cl_id and cid.
2197 * It needs to be initialized here so that it can be safely
2198 * handled by a subsequent FLR flow.
2200 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF,
2202 bnx2x_vf_sp(bp, vf, mcast_rdata),
2203 bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2204 BNX2X_FILTER_MCAST_PENDING,
2206 BNX2X_OBJ_TYPE_RX_TX);
2208 /* set the mailbox message addresses */
2209 BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *)
2210 (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid *
2211 MBX_MSG_ALIGNED_SIZE);
2213 BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping +
2214 vfid * MBX_MSG_ALIGNED_SIZE;
2216 /* Enable vf mailbox */
2217 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
2221 for_each_vf(bp, vfid) {
2222 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2224 /* fill in the BDF and bars */
2225 vf->bus = bnx2x_vf_bus(bp, vfid);
2226 vf->devfn = bnx2x_vf_devfn(bp, vfid);
2227 bnx2x_vf_set_bars(bp, vf);
2230 "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n",
2231 vf->abs_vfid, vf->bus, vf->devfn,
2232 (unsigned)vf->bars[0].bar, vf->bars[0].size,
2233 (unsigned)vf->bars[1].bar, vf->bars[1].size,
2234 (unsigned)vf->bars[2].bar, vf->bars[2].size);
2240 /* called by bnx2x_chip_cleanup */
2241 int bnx2x_iov_chip_cleanup(struct bnx2x *bp)
2248 /* release all the VFs */
2250 bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */
2255 /* called by bnx2x_init_hw_func, returns the next ilt line */
2256 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line)
2259 struct bnx2x_ilt *ilt = BP_ILT(bp);
2264 /* set vfs ilt lines */
2265 for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2266 struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i);
2268 ilt->lines[line+i].page = hw_cxt->addr;
2269 ilt->lines[line+i].page_mapping = hw_cxt->mapping;
2270 ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */
2275 static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid)
2277 return ((cid >= BNX2X_FIRST_VF_CID) &&
2278 ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS));
2282 void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp,
2283 struct bnx2x_vf_queue *vfq,
2284 union event_ring_elem *elem)
2286 unsigned long ramrod_flags = 0;
2289 /* Always push next commands out, don't wait here */
2290 set_bit(RAMROD_CONT, &ramrod_flags);
2292 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
2293 case BNX2X_FILTER_MAC_PENDING:
2294 rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem,
2297 case BNX2X_FILTER_VLAN_PENDING:
2298 rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem,
2302 BNX2X_ERR("Unsupported classification command: %d\n",
2303 elem->message.data.eth_event.echo);
2307 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
2309 DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n");
2313 void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp,
2314 struct bnx2x_virtf *vf)
2316 struct bnx2x_mcast_ramrod_params rparam = {NULL};
2319 rparam.mcast_obj = &vf->mcast_obj;
2320 vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw);
2322 /* If there are pending mcast commands - send them */
2323 if (vf->mcast_obj.check_pending(&vf->mcast_obj)) {
2324 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
2326 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
2332 void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp,
2333 struct bnx2x_virtf *vf)
2335 smp_mb__before_clear_bit();
2336 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
2337 smp_mb__after_clear_bit();
2340 int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem)
2342 struct bnx2x_virtf *vf;
2343 int qidx = 0, abs_vfid;
2350 /* first get the cid - the only events we handle here are cfc-delete
2351 * and set-mac completion
2353 opcode = elem->message.opcode;
2356 case EVENT_RING_OPCODE_CFC_DEL:
2357 cid = SW_CID((__force __le32)
2358 elem->message.data.cfc_del_event.cid);
2359 DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid);
2361 case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2362 case EVENT_RING_OPCODE_MULTICAST_RULES:
2363 case EVENT_RING_OPCODE_FILTERS_RULES:
2364 cid = (elem->message.data.eth_event.echo &
2366 DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid);
2368 case EVENT_RING_OPCODE_VF_FLR:
2369 abs_vfid = elem->message.data.vf_flr_event.vf_id;
2370 DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n",
2373 case EVENT_RING_OPCODE_MALICIOUS_VF:
2374 abs_vfid = elem->message.data.malicious_vf_event.vf_id;
2375 DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d err_id=0x%x\n",
2376 abs_vfid, elem->message.data.malicious_vf_event.err_id);
2382 /* check if the cid is the VF range */
2383 if (!bnx2x_iov_is_vf_cid(bp, cid)) {
2384 DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid);
2388 /* extract vf and rxq index from vf_cid - relies on the following:
2389 * 1. vfid on cid reflects the true abs_vfid
2390 * 2. The max number of VFs (per path) is 64
2392 qidx = cid & ((1 << BNX2X_VF_CID_WND)-1);
2393 abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2395 vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
2398 BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n",
2404 case EVENT_RING_OPCODE_CFC_DEL:
2405 DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n",
2406 vf->abs_vfid, qidx);
2407 vfq_get(vf, qidx)->sp_obj.complete_cmd(bp,
2410 BNX2X_Q_CMD_CFC_DEL);
2412 case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2413 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n",
2414 vf->abs_vfid, qidx);
2415 bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem);
2417 case EVENT_RING_OPCODE_MULTICAST_RULES:
2418 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n",
2419 vf->abs_vfid, qidx);
2420 bnx2x_vf_handle_mcast_eqe(bp, vf);
2422 case EVENT_RING_OPCODE_FILTERS_RULES:
2423 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n",
2424 vf->abs_vfid, qidx);
2425 bnx2x_vf_handle_filters_eqe(bp, vf);
2427 case EVENT_RING_OPCODE_VF_FLR:
2428 DP(BNX2X_MSG_IOV, "got VF [%d] FLR notification\n",
2430 /* Do nothing for now */
2432 case EVENT_RING_OPCODE_MALICIOUS_VF:
2433 DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d error id %x\n",
2434 abs_vfid, elem->message.data.malicious_vf_event.err_id);
2435 /* Do nothing for now */
2438 /* SRIOV: reschedule any 'in_progress' operations */
2439 bnx2x_iov_sp_event(bp, cid, false);
2444 static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid)
2446 /* extract the vf from vf_cid - relies on the following:
2447 * 1. vfid on cid reflects the true abs_vfid
2448 * 2. The max number of VFs (per path) is 64
2450 int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2451 return bnx2x_vf_by_abs_fid(bp, abs_vfid);
2454 void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
2455 struct bnx2x_queue_sp_obj **q_obj)
2457 struct bnx2x_virtf *vf;
2462 vf = bnx2x_vf_by_cid(bp, vf_cid);
2465 /* extract queue index from vf_cid - relies on the following:
2466 * 1. vfid on cid reflects the true abs_vfid
2467 * 2. The max number of VFs (per path) is 64
2469 int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1);
2470 *q_obj = &bnx2x_vfq(vf, q_index, sp_obj);
2472 BNX2X_ERR("No vf matching cid %d\n", vf_cid);
2476 void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work)
2478 struct bnx2x_virtf *vf;
2480 /* check if the cid is the VF range */
2481 if (!IS_SRIOV(bp) || !bnx2x_iov_is_vf_cid(bp, vf_cid))
2484 vf = bnx2x_vf_by_cid(bp, vf_cid);
2486 /* set in_progress flag */
2487 atomic_set(&vf->op_in_progress, 1);
2489 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
2493 void bnx2x_iov_adjust_stats_req(struct bnx2x *bp)
2496 int first_queue_query_index, num_queues_req;
2497 dma_addr_t cur_data_offset;
2498 struct stats_query_entry *cur_query_entry;
2500 bool is_fcoe = false;
2508 /* fcoe adds one global request and one queue request */
2509 num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe;
2510 first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX -
2514 "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",
2515 BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index,
2516 first_queue_query_index + num_queues_req);
2518 cur_data_offset = bp->fw_stats_data_mapping +
2519 offsetof(struct bnx2x_fw_stats_data, queue_stats) +
2520 num_queues_req * sizeof(struct per_queue_stats);
2522 cur_query_entry = &bp->fw_stats_req->
2523 query[first_queue_query_index + num_queues_req];
2525 for_each_vf(bp, i) {
2527 struct bnx2x_virtf *vf = BP_VF(bp, i);
2529 if (vf->state != VF_ENABLED) {
2531 "vf %d not enabled so no stats for it\n",
2536 DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid);
2537 for_each_vfq(vf, j) {
2538 struct bnx2x_vf_queue *rxq = vfq_get(vf, j);
2540 dma_addr_t q_stats_addr =
2541 vf->fw_stat_map + j * vf->stats_stride;
2543 /* collect stats fro active queues only */
2544 if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) ==
2545 BNX2X_Q_LOGICAL_STATE_STOPPED)
2548 /* create stats query entry for this queue */
2549 cur_query_entry->kind = STATS_TYPE_QUEUE;
2550 cur_query_entry->index = vfq_stat_id(vf, rxq);
2551 cur_query_entry->funcID =
2552 cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid));
2553 cur_query_entry->address.hi =
2554 cpu_to_le32(U64_HI(q_stats_addr));
2555 cur_query_entry->address.lo =
2556 cpu_to_le32(U64_LO(q_stats_addr));
2558 "added address %x %x for vf %d queue %d client %d\n",
2559 cur_query_entry->address.hi,
2560 cur_query_entry->address.lo, cur_query_entry->funcID,
2561 j, cur_query_entry->index);
2563 cur_data_offset += sizeof(struct per_queue_stats);
2566 /* all stats are coalesced to the leading queue */
2567 if (vf->cfg_flags & VF_CFG_STATS_COALESCE)
2571 bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count;
2574 void bnx2x_iov_sp_task(struct bnx2x *bp)
2580 /* Iterate over all VFs and invoke state transition for VFs with
2581 * 'in-progress' slow-path operations
2583 DP(BNX2X_MSG_IOV, "searching for pending vf operations\n");
2584 for_each_vf(bp, i) {
2585 struct bnx2x_virtf *vf = BP_VF(bp, i);
2588 BNX2X_ERR("VF was null! skipping...\n");
2592 if (!list_empty(&vf->op_list_head) &&
2593 atomic_read(&vf->op_in_progress)) {
2594 DP(BNX2X_MSG_IOV, "running pending op for vf %d\n", i);
2595 bnx2x_vfop_cur(bp, vf)->transition(bp, vf);
2601 struct bnx2x_virtf *__vf_from_stat_id(struct bnx2x *bp, u8 stat_id)
2604 struct bnx2x_virtf *vf = NULL;
2606 for_each_vf(bp, i) {
2608 if (stat_id >= vf->igu_base_id &&
2609 stat_id < vf->igu_base_id + vf_sb_count(vf))
2615 /* VF API helpers */
2616 static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid,
2619 u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4;
2620 u32 val = enable ? (abs_vfid | (1 << 6)) : 0;
2622 REG_WR(bp, reg, val);
2625 static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf)
2630 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2631 vfq_qzone_id(vf, vfq_get(vf, i)), false);
2634 static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf)
2638 /* clear the VF configuration - pretend */
2639 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
2640 val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
2641 val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN |
2642 IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK);
2643 REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
2644 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2647 u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf)
2649 return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF),
2650 BNX2X_VF_MAX_QUEUES);
2654 int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf,
2655 struct vf_pf_resc_request *req_resc)
2657 u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2658 u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2660 return ((req_resc->num_rxqs <= rxq_cnt) &&
2661 (req_resc->num_txqs <= txq_cnt) &&
2662 (req_resc->num_sbs <= vf_sb_count(vf)) &&
2663 (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) &&
2664 (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf)));
2668 int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
2669 struct vf_pf_resc_request *resc)
2671 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) *
2674 union cdu_context *base_cxt = (union cdu_context *)
2675 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2676 (base_vf_cid & (ILT_PAGE_CIDS-1));
2679 /* if state is 'acquired' the VF was not released or FLR'd, in
2680 * this case the returned resources match the acquired already
2681 * acquired resources. Verify that the requested numbers do
2682 * not exceed the already acquired numbers.
2684 if (vf->state == VF_ACQUIRED) {
2685 DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n",
2688 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2689 BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n",
2696 /* Otherwise vf state must be 'free' or 'reset' */
2697 if (vf->state != VF_FREE && vf->state != VF_RESET) {
2698 BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n",
2699 vf->abs_vfid, vf->state);
2703 /* static allocation:
2704 * the global maximum number are fixed per VF. Fail the request if
2705 * requested number exceed these globals
2707 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2709 "cannot fulfill vf resource request. Placing maximal available values in response\n");
2710 /* set the max resource in the vf */
2714 /* Set resources counters - 0 request means max available */
2715 vf_sb_count(vf) = resc->num_sbs;
2716 vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2717 vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2718 if (resc->num_mac_filters)
2719 vf_mac_rules_cnt(vf) = resc->num_mac_filters;
2720 if (resc->num_vlan_filters)
2721 vf_vlan_rules_cnt(vf) = resc->num_vlan_filters;
2724 "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n",
2725 vf_sb_count(vf), vf_rxq_count(vf),
2726 vf_txq_count(vf), vf_mac_rules_cnt(vf),
2727 vf_vlan_rules_cnt(vf));
2729 /* Initialize the queues */
2731 DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n");
2735 for_each_vfq(vf, i) {
2736 struct bnx2x_vf_queue *q = vfq_get(vf, i);
2739 BNX2X_ERR("q number %d was not allocated\n", i);
2744 q->cxt = &((base_cxt + i)->eth);
2745 q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i;
2747 DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n",
2748 vf->abs_vfid, i, q->index, q->cid, q->cxt);
2750 /* init SP objects */
2751 bnx2x_vfq_init(bp, vf, q);
2753 vf->state = VF_ACQUIRED;
2757 int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map)
2759 struct bnx2x_func_init_params func_init = {0};
2763 /* the sb resources are initialized at this point, do the
2764 * FW/HW initializations
2766 for_each_vf_sb(vf, i)
2767 bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true,
2768 vf_igu_sb(vf, i), vf_igu_sb(vf, i));
2771 if (vf->state != VF_ACQUIRED) {
2772 DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n",
2773 vf->abs_vfid, vf->state);
2777 /* let FLR complete ... */
2780 /* FLR cleanup epilogue */
2781 if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid))
2784 /* reset IGU VF statistics: MSIX */
2785 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0);
2788 if (vf->cfg_flags & VF_CFG_STATS)
2789 flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ);
2791 if (vf->cfg_flags & VF_CFG_TPA)
2792 flags |= FUNC_FLG_TPA;
2794 if (is_vf_multi(vf))
2795 flags |= FUNC_FLG_RSS;
2797 /* function setup */
2798 func_init.func_flgs = flags;
2799 func_init.pf_id = BP_FUNC(bp);
2800 func_init.func_id = FW_VF_HANDLE(vf->abs_vfid);
2801 func_init.fw_stat_map = vf->fw_stat_map;
2802 func_init.spq_map = vf->spq_map;
2803 func_init.spq_prod = 0;
2804 bnx2x_func_init(bp, &func_init);
2807 bnx2x_vf_enable_access(bp, vf->abs_vfid);
2808 bnx2x_vf_enable_traffic(bp, vf);
2810 /* queue protection table */
2812 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2813 vfq_qzone_id(vf, vfq_get(vf, i)), true);
2815 vf->state = VF_ENABLED;
2817 /* update vf bulletin board */
2818 bnx2x_post_vf_bulletin(bp, vf->index);
2823 struct set_vf_state_cookie {
2824 struct bnx2x_virtf *vf;
2828 static void bnx2x_set_vf_state(void *cookie)
2830 struct set_vf_state_cookie *p = (struct set_vf_state_cookie *)cookie;
2832 p->vf->state = p->state;
2835 /* VFOP close (teardown the queues, delete mcasts and close HW) */
2836 static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf)
2838 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2839 struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
2840 enum bnx2x_vfop_close_state state = vfop->state;
2841 struct bnx2x_vfop_cmd cmd = {
2842 .done = bnx2x_vfop_close,
2849 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
2852 case BNX2X_VFOP_CLOSE_QUEUES:
2854 if (++(qx->qid) < vf_rxq_count(vf)) {
2855 vfop->rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qx->qid);
2861 /* remove multicasts */
2862 vfop->state = BNX2X_VFOP_CLOSE_HW;
2863 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, 0, false);
2868 case BNX2X_VFOP_CLOSE_HW:
2870 /* disable the interrupts */
2871 DP(BNX2X_MSG_IOV, "disabling igu\n");
2872 bnx2x_vf_igu_disable(bp, vf);
2874 /* disable the VF */
2875 DP(BNX2X_MSG_IOV, "clearing qtbl\n");
2876 bnx2x_vf_clr_qtbl(bp, vf);
2880 bnx2x_vfop_default(state);
2883 BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc);
2886 /* need to make sure there are no outstanding stats ramrods which may
2887 * cause the device to access the VF's stats buffer which it will free
2888 * as soon as we return from the close flow.
2891 struct set_vf_state_cookie cookie;
2894 cookie.state = VF_ACQUIRED;
2895 bnx2x_stats_safe_exec(bp, bnx2x_set_vf_state, &cookie);
2898 DP(BNX2X_MSG_IOV, "set state to acquired\n");
2899 bnx2x_vfop_end(bp, vf, vfop);
2902 int bnx2x_vfop_close_cmd(struct bnx2x *bp,
2903 struct bnx2x_virtf *vf,
2904 struct bnx2x_vfop_cmd *cmd)
2906 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2908 vfop->args.qx.qid = -1; /* loop */
2909 bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES,
2910 bnx2x_vfop_close, cmd->done);
2911 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_close,
2917 /* VF release can be called either: 1. The VF was acquired but
2918 * not enabled 2. the vf was enabled or in the process of being
2921 static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf)
2923 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2924 struct bnx2x_vfop_cmd cmd = {
2925 .done = bnx2x_vfop_release,
2929 DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2934 DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid,
2935 vf->state == VF_FREE ? "Free" :
2936 vf->state == VF_ACQUIRED ? "Acquired" :
2937 vf->state == VF_ENABLED ? "Enabled" :
2938 vf->state == VF_RESET ? "Reset" :
2941 switch (vf->state) {
2943 vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd);
2949 DP(BNX2X_MSG_IOV, "about to free resources\n");
2950 bnx2x_vf_free_resc(bp, vf);
2951 DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2959 bnx2x_vfop_default(vf->state);
2962 BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc);
2964 bnx2x_vfop_end(bp, vf, vfop);
2967 static void bnx2x_vfop_rss(struct bnx2x *bp, struct bnx2x_virtf *vf)
2969 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2970 enum bnx2x_vfop_rss_state state;
2973 BNX2X_ERR("vfop was null\n");
2977 state = vfop->state;
2978 bnx2x_vfop_reset_wq(vf);
2983 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
2986 case BNX2X_VFOP_RSS_CONFIG:
2988 vfop->state = BNX2X_VFOP_RSS_DONE;
2989 bnx2x_config_rss(bp, &vfop->op_p->rss);
2990 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
2992 BNX2X_ERR("RSS error: rc %d\n", vfop->rc);
2994 case BNX2X_VFOP_RSS_DONE:
2995 bnx2x_vfop_end(bp, vf, vfop);
2998 bnx2x_vfop_default(state);
3004 int bnx2x_vfop_release_cmd(struct bnx2x *bp,
3005 struct bnx2x_virtf *vf,
3006 struct bnx2x_vfop_cmd *cmd)
3008 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
3010 bnx2x_vfop_opset(-1, /* use vf->state */
3011 bnx2x_vfop_release, cmd->done);
3012 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release,
3018 int bnx2x_vfop_rss_cmd(struct bnx2x *bp,
3019 struct bnx2x_virtf *vf,
3020 struct bnx2x_vfop_cmd *cmd)
3022 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
3025 bnx2x_vfop_opset(BNX2X_VFOP_RSS_CONFIG, bnx2x_vfop_rss,
3027 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rss,
3033 /* VF release ~ VF close + VF release-resources
3034 * Release is the ultimate SW shutdown and is called whenever an
3035 * irrecoverable error is encountered.
3037 void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block)
3039 struct bnx2x_vfop_cmd cmd = {
3045 DP(BNX2X_MSG_IOV, "PF releasing vf %d\n", vf->abs_vfid);
3046 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
3048 rc = bnx2x_vfop_release_cmd(bp, vf, &cmd);
3051 "VF[%d] Failed to allocate resources for release op- rc=%d\n",
3055 static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp,
3056 struct bnx2x_virtf *vf, u32 *sbdf)
3058 *sbdf = vf->devfn | (vf->bus << 8);
3061 static inline void bnx2x_vf_get_bars(struct bnx2x *bp, struct bnx2x_virtf *vf,
3062 struct bnx2x_vf_bar_info *bar_info)
3066 bar_info->nr_bars = bp->vfdb->sriov.nres;
3067 for (n = 0; n < bar_info->nr_bars; n++)
3068 bar_info->bars[n] = vf->bars[n];
3071 void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
3072 enum channel_tlvs tlv)
3074 /* we don't lock the channel for unsupported tlvs */
3075 if (!bnx2x_tlv_supported(tlv)) {
3076 BNX2X_ERR("attempting to lock with unsupported tlv. Aborting\n");
3080 /* lock the channel */
3081 mutex_lock(&vf->op_mutex);
3083 /* record the locking op */
3084 vf->op_current = tlv;
3087 DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n",
3091 void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
3092 enum channel_tlvs expected_tlv)
3094 enum channel_tlvs current_tlv;
3097 BNX2X_ERR("VF was %p\n", vf);
3101 current_tlv = vf->op_current;
3103 /* we don't unlock the channel for unsupported tlvs */
3104 if (!bnx2x_tlv_supported(expected_tlv))
3107 WARN(expected_tlv != vf->op_current,
3108 "lock mismatch: expected %d found %d", expected_tlv,
3111 /* record the locking op */
3112 vf->op_current = CHANNEL_TLV_NONE;
3114 /* lock the channel */
3115 mutex_unlock(&vf->op_mutex);
3117 /* log the unlock */
3118 DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n",
3119 vf->abs_vfid, vf->op_current);
3122 int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param)
3124 struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev));
3126 if (!IS_SRIOV(bp)) {
3127 BNX2X_ERR("failed to configure SR-IOV since vfdb was not allocated. Check dmesg for errors in probe stage\n");
3131 DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n",
3132 num_vfs_param, BNX2X_NR_VIRTFN(bp));
3134 /* HW channel is only operational when PF is up */
3135 if (bp->state != BNX2X_STATE_OPEN) {
3136 BNX2X_ERR("VF num configuration via sysfs not supported while PF is down\n");
3140 /* we are always bound by the total_vfs in the configuration space */
3141 if (num_vfs_param > BNX2X_NR_VIRTFN(bp)) {
3142 BNX2X_ERR("truncating requested number of VFs (%d) down to maximum allowed (%d)\n",
3143 num_vfs_param, BNX2X_NR_VIRTFN(bp));
3144 num_vfs_param = BNX2X_NR_VIRTFN(bp);
3147 bp->requested_nr_virtfn = num_vfs_param;
3148 if (num_vfs_param == 0) {
3149 pci_disable_sriov(dev);
3152 return bnx2x_enable_sriov(bp);
3155 #define IGU_ENTRY_SIZE 4
3157 int bnx2x_enable_sriov(struct bnx2x *bp)
3159 int rc = 0, req_vfs = bp->requested_nr_virtfn;
3160 int vf_idx, sb_idx, vfq_idx, qcount, first_vf;
3161 u32 igu_entry, address;
3167 first_vf = bp->vfdb->sriov.first_vf_in_pf;
3169 /* statically distribute vf sb pool between VFs */
3170 num_vf_queues = min_t(u16, BNX2X_VF_MAX_QUEUES,
3171 BP_VFDB(bp)->vf_sbs_pool / req_vfs);
3173 /* zero previous values learned from igu cam */
3174 for (vf_idx = 0; vf_idx < req_vfs; vf_idx++) {
3175 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
3178 vf_sb_count(BP_VF(bp, vf_idx)) = 0;
3180 bp->vfdb->vf_sbs_pool = 0;
3182 /* prepare IGU cam */
3183 sb_idx = BP_VFDB(bp)->first_vf_igu_entry;
3184 address = IGU_REG_MAPPING_MEMORY + sb_idx * IGU_ENTRY_SIZE;
3185 for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) {
3186 for (vfq_idx = 0; vfq_idx < num_vf_queues; vfq_idx++) {
3187 igu_entry = vf_idx << IGU_REG_MAPPING_MEMORY_FID_SHIFT |
3188 vfq_idx << IGU_REG_MAPPING_MEMORY_VECTOR_SHIFT |
3189 IGU_REG_MAPPING_MEMORY_VALID;
3190 DP(BNX2X_MSG_IOV, "assigning sb %d to vf %d\n",
3192 REG_WR(bp, address, igu_entry);
3194 address += IGU_ENTRY_SIZE;
3198 /* Reinitialize vf database according to igu cam */
3199 bnx2x_get_vf_igu_cam_info(bp);
3201 DP(BNX2X_MSG_IOV, "vf_sbs_pool %d, num_vf_queues %d\n",
3202 BP_VFDB(bp)->vf_sbs_pool, num_vf_queues);
3205 for_each_vf(bp, vf_idx) {
3206 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
3208 /* set local queue arrays */
3209 vf->vfqs = &bp->vfdb->vfqs[qcount];
3210 qcount += vf_sb_count(vf);
3211 bnx2x_iov_static_resc(bp, vf);
3214 /* prepare msix vectors in VF configuration space - the value in the
3215 * PCI configuration space should be the index of the last entry,
3216 * namely one less than the actual size of the table
3218 for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) {
3219 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf_idx));
3220 REG_WR(bp, PCICFG_OFFSET + GRC_CONFIG_REG_VF_MSIX_CONTROL,
3222 DP(BNX2X_MSG_IOV, "set msix vec num in VF %d cfg space to %d\n",
3223 vf_idx, num_vf_queues - 1);
3225 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
3227 /* enable sriov. This will probe all the VFs, and consequentially cause
3228 * the "acquire" messages to appear on the VF PF channel.
3230 DP(BNX2X_MSG_IOV, "about to call enable sriov\n");
3231 bnx2x_disable_sriov(bp);
3232 rc = pci_enable_sriov(bp->pdev, req_vfs);
3234 BNX2X_ERR("pci_enable_sriov failed with %d\n", rc);
3237 DP(BNX2X_MSG_IOV, "sriov enabled (%d vfs)\n", req_vfs);
3241 void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp)
3244 struct pf_vf_bulletin_content *bulletin;
3246 DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n");
3247 for_each_vf(bp, vfidx) {
3248 bulletin = BP_VF_BULLETIN(bp, vfidx);
3249 if (BP_VF(bp, vfidx)->cfg_flags & VF_CFG_VLAN)
3250 bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0);
3254 void bnx2x_disable_sriov(struct bnx2x *bp)
3256 pci_disable_sriov(bp->pdev);
3259 static int bnx2x_vf_ndo_prep(struct bnx2x *bp, int vfidx,
3260 struct bnx2x_virtf **vf,
3261 struct pf_vf_bulletin_content **bulletin)
3263 if (bp->state != BNX2X_STATE_OPEN) {
3264 BNX2X_ERR("vf ndo called though PF is down\n");
3268 if (!IS_SRIOV(bp)) {
3269 BNX2X_ERR("vf ndo called though sriov is disabled\n");
3273 if (vfidx >= BNX2X_NR_VIRTFN(bp)) {
3274 BNX2X_ERR("vf ndo called for uninitialized VF. vfidx was %d BNX2X_NR_VIRTFN was %d\n",
3275 vfidx, BNX2X_NR_VIRTFN(bp));
3280 *vf = BP_VF(bp, vfidx);
3281 *bulletin = BP_VF_BULLETIN(bp, vfidx);
3284 BNX2X_ERR("vf ndo called but vf struct is null. vfidx was %d\n",
3290 BNX2X_ERR("vf ndo called but vfqs struct is null. Was ndo invoked before dynamically enabling SR-IOV? vfidx was %d\n",
3296 BNX2X_ERR("vf ndo called but Bulletin Board struct is null. vfidx was %d\n",
3304 int bnx2x_get_vf_config(struct net_device *dev, int vfidx,
3305 struct ifla_vf_info *ivi)
3307 struct bnx2x *bp = netdev_priv(dev);
3308 struct bnx2x_virtf *vf = NULL;
3309 struct pf_vf_bulletin_content *bulletin = NULL;
3310 struct bnx2x_vlan_mac_obj *mac_obj;
3311 struct bnx2x_vlan_mac_obj *vlan_obj;
3314 /* sanity and init */
3315 rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3318 mac_obj = &bnx2x_leading_vfq(vf, mac_obj);
3319 vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj);
3320 if (!mac_obj || !vlan_obj) {
3321 BNX2X_ERR("VF partially initialized\n");
3327 ivi->tx_rate = 10000; /* always 10G. TBA take from link struct */
3328 ivi->spoofchk = 1; /*always enabled */
3329 if (vf->state == VF_ENABLED) {
3330 /* mac and vlan are in vlan_mac objects */
3331 if (validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj)))
3332 mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac,
3334 if (validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, vlan_obj)))
3335 vlan_obj->get_n_elements(bp, vlan_obj, 1,
3336 (u8 *)&ivi->vlan, 0,
3340 if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID))
3341 /* mac configured by ndo so its in bulletin board */
3342 memcpy(&ivi->mac, bulletin->mac, ETH_ALEN);
3344 /* function has not been loaded yet. Show mac as 0s */
3345 memset(&ivi->mac, 0, ETH_ALEN);
3348 if (bulletin->valid_bitmap & (1 << VLAN_VALID))
3349 /* vlan configured by ndo so its in bulletin board */
3350 memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN);
3352 /* function has not been loaded yet. Show vlans as 0s */
3353 memset(&ivi->vlan, 0, VLAN_HLEN);
3359 /* New mac for VF. Consider these cases:
3360 * 1. VF hasn't been acquired yet - save the mac in local bulletin board and
3361 * supply at acquire.
3362 * 2. VF has already been acquired but has not yet initialized - store in local
3363 * bulletin board. mac will be posted on VF bulletin board after VF init. VF
3364 * will configure this mac when it is ready.
3365 * 3. VF has already initialized but has not yet setup a queue - post the new
3366 * mac on VF's bulletin board right now. VF will configure this mac when it
3368 * 4. VF has already set a queue - delete any macs already configured for this
3369 * queue and manually config the new mac.
3370 * In any event, once this function has been called refuse any attempts by the
3371 * VF to configure any mac for itself except for this mac. In case of a race
3372 * where the VF fails to see the new post on its bulletin board before sending a
3373 * mac configuration request, the PF will simply fail the request and VF can try
3374 * again after consulting its bulletin board.
3376 int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac)
3378 struct bnx2x *bp = netdev_priv(dev);
3379 int rc, q_logical_state;
3380 struct bnx2x_virtf *vf = NULL;
3381 struct pf_vf_bulletin_content *bulletin = NULL;
3383 /* sanity and init */
3384 rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3387 if (!is_valid_ether_addr(mac)) {
3388 BNX2X_ERR("mac address invalid\n");
3392 /* update PF's copy of the VF's bulletin. Will no longer accept mac
3393 * configuration requests from vf unless match this mac
3395 bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID;
3396 memcpy(bulletin->mac, mac, ETH_ALEN);
3398 /* Post update on VF's bulletin board */
3399 rc = bnx2x_post_vf_bulletin(bp, vfidx);
3401 BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx);
3406 bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj));
3407 if (vf->state == VF_ENABLED &&
3408 q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3409 /* configure the mac in device on this vf's queue */
3410 unsigned long ramrod_flags = 0;
3411 struct bnx2x_vlan_mac_obj *mac_obj =
3412 &bnx2x_leading_vfq(vf, mac_obj);
3414 rc = validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj));
3418 /* must lock vfpf channel to protect against vf flows */
3419 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3421 /* remove existing eth macs */
3422 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true);
3424 BNX2X_ERR("failed to delete eth macs\n");
3429 /* remove existing uc list macs */
3430 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true);
3432 BNX2X_ERR("failed to delete uc_list macs\n");
3437 /* configure the new mac to device */
3438 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3439 bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true,
3440 BNX2X_ETH_MAC, &ramrod_flags);
3443 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3449 int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)
3451 struct bnx2x_queue_state_params q_params = {NULL};
3452 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
3453 struct bnx2x_queue_update_params *update_params;
3454 struct pf_vf_bulletin_content *bulletin = NULL;
3455 struct bnx2x_rx_mode_ramrod_params rx_ramrod;
3456 struct bnx2x *bp = netdev_priv(dev);
3457 struct bnx2x_vlan_mac_obj *vlan_obj;
3458 unsigned long vlan_mac_flags = 0;
3459 unsigned long ramrod_flags = 0;
3460 struct bnx2x_virtf *vf = NULL;
3461 unsigned long accept_flags;
3464 /* sanity and init */
3465 rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3470 BNX2X_ERR("illegal vlan value %d\n", vlan);
3474 DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n",
3477 /* update PF's copy of the VF's bulletin. No point in posting the vlan
3478 * to the VF since it doesn't have anything to do with it. But it useful
3479 * to store it here in case the VF is not up yet and we can only
3480 * configure the vlan later when it does. Treat vlan id 0 as remove the
3484 bulletin->valid_bitmap |= 1 << VLAN_VALID;
3486 bulletin->valid_bitmap &= ~(1 << VLAN_VALID);
3487 bulletin->vlan = vlan;
3489 /* is vf initialized and queue set up? */
3490 if (vf->state != VF_ENABLED ||
3491 bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj)) !=
3492 BNX2X_Q_LOGICAL_STATE_ACTIVE)
3495 /* configure the vlan in device on this vf's queue */
3496 vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj);
3497 rc = validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj));
3501 /* must lock vfpf channel to protect against vf flows */
3502 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3504 /* remove existing vlans */
3505 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3506 rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags,
3509 BNX2X_ERR("failed to delete vlans\n");
3514 /* need to remove/add the VF's accept_any_vlan bit */
3515 accept_flags = bnx2x_leading_vfq(vf, accept_flags);
3517 clear_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
3519 set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
3521 bnx2x_vf_prep_rx_mode(bp, LEADING_IDX, &rx_ramrod, vf,
3523 bnx2x_leading_vfq(vf, accept_flags) = accept_flags;
3524 bnx2x_config_rx_mode(bp, &rx_ramrod);
3526 /* configure the new vlan to device */
3527 memset(&ramrod_param, 0, sizeof(ramrod_param));
3528 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3529 ramrod_param.vlan_mac_obj = vlan_obj;
3530 ramrod_param.ramrod_flags = ramrod_flags;
3531 set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT,
3532 &ramrod_param.user_req.vlan_mac_flags);
3533 ramrod_param.user_req.u.vlan.vlan = vlan;
3534 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
3535 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
3537 BNX2X_ERR("failed to configure vlan\n");
3542 /* send queue update ramrod to configure default vlan and silent
3545 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
3546 q_params.cmd = BNX2X_Q_CMD_UPDATE;
3547 q_params.q_obj = &bnx2x_leading_vfq(vf, sp_obj);
3548 update_params = &q_params.params.update;
3549 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
3550 &update_params->update_flags);
3551 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
3552 &update_params->update_flags);
3554 /* if vlan is 0 then we want to leave the VF traffic
3555 * untagged, and leave the incoming traffic untouched
3556 * (i.e. do not remove any vlan tags).
3558 __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3559 &update_params->update_flags);
3560 __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3561 &update_params->update_flags);
3563 /* configure default vlan to vf queue and set silent
3564 * vlan removal (the vf remains unaware of this vlan).
3566 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3567 &update_params->update_flags);
3568 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3569 &update_params->update_flags);
3570 update_params->def_vlan = vlan;
3571 update_params->silent_removal_value =
3572 vlan & VLAN_VID_MASK;
3573 update_params->silent_removal_mask = VLAN_VID_MASK;
3576 /* Update the Queue state */
3577 rc = bnx2x_queue_state_change(bp, &q_params);
3579 BNX2X_ERR("Failed to configure default VLAN\n");
3584 /* clear the flag indicating that this VF needs its vlan
3585 * (will only be set if the HV configured the Vlan before vf was
3586 * up and we were called because the VF came up later
3589 vf->cfg_flags &= ~VF_CFG_VLAN;
3590 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3595 /* crc is the first field in the bulletin board. Compute the crc over the
3596 * entire bulletin board excluding the crc field itself. Use the length field
3597 * as the Bulletin Board was posted by a PF with possibly a different version
3598 * from the vf which will sample it. Therefore, the length is computed by the
3599 * PF and the used blindly by the VF.
3601 u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp,
3602 struct pf_vf_bulletin_content *bulletin)
3604 return crc32(BULLETIN_CRC_SEED,
3605 ((u8 *)bulletin) + sizeof(bulletin->crc),
3606 bulletin->length - sizeof(bulletin->crc));
3609 /* Check for new posts on the bulletin board */
3610 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
3612 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
3615 /* bulletin board hasn't changed since last sample */
3616 if (bp->old_bulletin.version == bulletin.version)
3617 return PFVF_BULLETIN_UNCHANGED;
3619 /* validate crc of new bulletin board */
3620 if (bp->old_bulletin.version != bp->pf2vf_bulletin->content.version) {
3621 /* sampling structure in mid post may result with corrupted data
3622 * validate crc to ensure coherency.
3624 for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) {
3625 bulletin = bp->pf2vf_bulletin->content;
3626 if (bulletin.crc == bnx2x_crc_vf_bulletin(bp,
3629 BNX2X_ERR("bad crc on bulletin board. Contained %x computed %x\n",
3631 bnx2x_crc_vf_bulletin(bp, &bulletin));
3633 if (attempts >= BULLETIN_ATTEMPTS) {
3634 BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n",
3636 return PFVF_BULLETIN_CRC_ERR;
3640 /* the mac address in bulletin board is valid and is new */
3641 if (bulletin.valid_bitmap & 1 << MAC_ADDR_VALID &&
3642 memcmp(bulletin.mac, bp->old_bulletin.mac, ETH_ALEN)) {
3643 /* update new mac to net device */
3644 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
3647 /* the vlan in bulletin board is valid and is new */
3648 if (bulletin.valid_bitmap & 1 << VLAN_VALID)
3649 memcpy(&bulletin.vlan, &bp->old_bulletin.vlan, VLAN_HLEN);
3651 /* copy new bulletin board to bp */
3652 bp->old_bulletin = bulletin;
3654 return PFVF_BULLETIN_UPDATED;
3657 void bnx2x_timer_sriov(struct bnx2x *bp)
3659 bnx2x_sample_bulletin(bp);
3661 /* if channel is down we need to self destruct */
3662 if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
3663 smp_mb__before_clear_bit();
3664 set_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
3665 &bp->sp_rtnl_state);
3666 smp_mb__after_clear_bit();
3667 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3671 void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)
3673 /* vf doorbells are embedded within the regview */
3674 return bp->regview + PXP_VF_ADDR_DB_START;
3677 int bnx2x_vf_pci_alloc(struct bnx2x *bp)
3679 mutex_init(&bp->vf2pf_mutex);
3681 /* allocate vf2pf mailbox for vf to pf channel */
3682 BNX2X_PCI_ALLOC(bp->vf2pf_mbox, &bp->vf2pf_mbox_mapping,
3683 sizeof(struct bnx2x_vf_mbx_msg));
3685 /* allocate pf 2 vf bulletin board */
3686 BNX2X_PCI_ALLOC(bp->pf2vf_bulletin, &bp->pf2vf_bulletin_mapping,
3687 sizeof(union pf_vf_bulletin));
3692 BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3693 sizeof(struct bnx2x_vf_mbx_msg));
3694 BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->pf2vf_bulletin_mapping,
3695 sizeof(union pf_vf_bulletin));
3699 void bnx2x_iov_channel_down(struct bnx2x *bp)
3702 struct pf_vf_bulletin_content *bulletin;
3707 for_each_vf(bp, vf_idx) {
3708 /* locate this VFs bulletin board and update the channel down
3711 bulletin = BP_VF_BULLETIN(bp, vf_idx);
3712 bulletin->valid_bitmap |= 1 << CHANNEL_DOWN;
3714 /* update vf bulletin board */
3715 bnx2x_post_vf_bulletin(bp, vf_idx);