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_CLR_MCAST,
170 BNX2X_VFOP_QTEARDOWN_QDTOR,
171 BNX2X_VFOP_QTEARDOWN_DONE
174 enum bnx2x_vfop_rss_state {
175 BNX2X_VFOP_RSS_CONFIG,
179 #define bnx2x_vfop_reset_wq(vf) atomic_set(&vf->op_in_progress, 0)
181 void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf,
182 struct bnx2x_queue_init_params *init_params,
183 struct bnx2x_queue_setup_params *setup_params,
184 u16 q_idx, u16 sb_idx)
187 "VF[%d] Q_SETUP: txq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, flags=0x%lx, traffic-type=%d",
191 init_params->tx.sb_cq_index,
192 init_params->tx.hc_rate,
194 setup_params->txq_params.traffic_type);
197 void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf,
198 struct bnx2x_queue_init_params *init_params,
199 struct bnx2x_queue_setup_params *setup_params,
200 u16 q_idx, u16 sb_idx)
202 struct bnx2x_rxq_setup_params *rxq_params = &setup_params->rxq_params;
204 DP(BNX2X_MSG_IOV, "VF[%d] Q_SETUP: rxq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, mtu=%d, buf-size=%d\n"
205 "sge-size=%d, max_sge_pkt=%d, tpa-agg-size=%d, flags=0x%lx, drop-flags=0x%x, cache-log=%d\n",
209 init_params->rx.sb_cq_index,
210 init_params->rx.hc_rate,
211 setup_params->gen_params.mtu,
213 rxq_params->sge_buf_sz,
214 rxq_params->max_sges_pkt,
215 rxq_params->tpa_agg_sz,
217 rxq_params->drop_flags,
218 rxq_params->cache_line_log);
221 void bnx2x_vfop_qctor_prep(struct bnx2x *bp,
222 struct bnx2x_virtf *vf,
223 struct bnx2x_vf_queue *q,
224 struct bnx2x_vfop_qctor_params *p,
225 unsigned long q_type)
227 struct bnx2x_queue_init_params *init_p = &p->qstate.params.init;
228 struct bnx2x_queue_setup_params *setup_p = &p->prep_qsetup;
232 /* Enable host coalescing in the transition to INIT state */
233 if (test_bit(BNX2X_Q_FLG_HC, &init_p->rx.flags))
234 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->rx.flags);
236 if (test_bit(BNX2X_Q_FLG_HC, &init_p->tx.flags))
237 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->tx.flags);
240 init_p->rx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
241 init_p->tx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
244 init_p->cxts[0] = q->cxt;
248 /* Setup-op general parameters */
249 setup_p->gen_params.spcl_id = vf->sp_cl_id;
250 setup_p->gen_params.stat_id = vfq_stat_id(vf, q);
252 /* Setup-op pause params:
253 * Nothing to do, the pause thresholds are set by default to 0 which
254 * effectively turns off the feature for this queue. We don't want
255 * one queue (VF) to interfering with another queue (another VF)
257 if (vf->cfg_flags & VF_CFG_FW_FC)
258 BNX2X_ERR("No support for pause to VFs (abs_vfid: %d)\n",
261 * collect statistics, zero statistics, local-switching, security,
262 * OV for Flex10, RSS and MCAST for leading
264 if (test_bit(BNX2X_Q_FLG_STATS, &setup_p->flags))
265 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &setup_p->flags);
267 /* for VFs, enable tx switching, bd coherency, and mac address
270 __set_bit(BNX2X_Q_FLG_TX_SWITCH, &setup_p->flags);
271 __set_bit(BNX2X_Q_FLG_TX_SEC, &setup_p->flags);
272 __set_bit(BNX2X_Q_FLG_ANTI_SPOOF, &setup_p->flags);
274 /* Setup-op rx parameters */
275 if (test_bit(BNX2X_Q_TYPE_HAS_RX, &q_type)) {
276 struct bnx2x_rxq_setup_params *rxq_p = &setup_p->rxq_params;
278 rxq_p->cl_qzone_id = vfq_qzone_id(vf, q);
279 rxq_p->fw_sb_id = vf_igu_sb(vf, q->sb_idx);
280 rxq_p->rss_engine_id = FW_VF_HANDLE(vf->abs_vfid);
282 if (test_bit(BNX2X_Q_FLG_TPA, &setup_p->flags))
283 rxq_p->max_tpa_queues = BNX2X_VF_MAX_TPA_AGG_QUEUES;
286 /* Setup-op tx parameters */
287 if (test_bit(BNX2X_Q_TYPE_HAS_TX, &q_type)) {
288 setup_p->txq_params.tss_leading_cl_id = vf->leading_rss;
289 setup_p->txq_params.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
293 /* VFOP queue construction */
294 static void bnx2x_vfop_qctor(struct bnx2x *bp, struct bnx2x_virtf *vf)
296 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
297 struct bnx2x_vfop_args_qctor *args = &vfop->args.qctor;
298 struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate;
299 enum bnx2x_vfop_qctor_state state = vfop->state;
301 bnx2x_vfop_reset_wq(vf);
306 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
309 case BNX2X_VFOP_QCTOR_INIT:
311 /* has this queue already been opened? */
312 if (bnx2x_get_q_logical_state(bp, q_params->q_obj) ==
313 BNX2X_Q_LOGICAL_STATE_ACTIVE) {
315 "Entered qctor but queue was already up. Aborting gracefully\n");
320 vfop->state = BNX2X_VFOP_QCTOR_SETUP;
322 q_params->cmd = BNX2X_Q_CMD_INIT;
323 vfop->rc = bnx2x_queue_state_change(bp, q_params);
325 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
327 case BNX2X_VFOP_QCTOR_SETUP:
329 vfop->state = BNX2X_VFOP_QCTOR_INT_EN;
331 /* copy pre-prepared setup params to the queue-state params */
332 vfop->op_p->qctor.qstate.params.setup =
333 vfop->op_p->qctor.prep_qsetup;
335 q_params->cmd = BNX2X_Q_CMD_SETUP;
336 vfop->rc = bnx2x_queue_state_change(bp, q_params);
338 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
340 case BNX2X_VFOP_QCTOR_INT_EN:
342 /* enable interrupts */
343 bnx2x_vf_igu_ack_sb(bp, vf, vf_igu_sb(vf, args->sb_idx),
344 USTORM_ID, 0, IGU_INT_ENABLE, 0);
347 bnx2x_vfop_default(state);
350 BNX2X_ERR("QCTOR[%d:%d] error: cmd %d, rc %d\n",
351 vf->abs_vfid, args->qid, q_params->cmd, vfop->rc);
353 bnx2x_vfop_end(bp, vf, vfop);
358 static int bnx2x_vfop_qctor_cmd(struct bnx2x *bp,
359 struct bnx2x_virtf *vf,
360 struct bnx2x_vfop_cmd *cmd,
363 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
366 vf->op_params.qctor.qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj);
368 vfop->args.qctor.qid = qid;
369 vfop->args.qctor.sb_idx = bnx2x_vfq(vf, qid, sb_idx);
371 bnx2x_vfop_opset(BNX2X_VFOP_QCTOR_INIT,
372 bnx2x_vfop_qctor, cmd->done);
373 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qctor,
379 /* VFOP queue destruction */
380 static void bnx2x_vfop_qdtor(struct bnx2x *bp, struct bnx2x_virtf *vf)
382 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
383 struct bnx2x_vfop_args_qdtor *qdtor = &vfop->args.qdtor;
384 struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate;
385 enum bnx2x_vfop_qdtor_state state = vfop->state;
387 bnx2x_vfop_reset_wq(vf);
392 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
395 case BNX2X_VFOP_QDTOR_HALT:
397 /* has this queue already been stopped? */
398 if (bnx2x_get_q_logical_state(bp, q_params->q_obj) ==
399 BNX2X_Q_LOGICAL_STATE_STOPPED) {
401 "Entered qdtor but queue was already stopped. Aborting gracefully\n");
404 vfop->state = BNX2X_VFOP_QDTOR_DONE;
406 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
410 vfop->state = BNX2X_VFOP_QDTOR_TERMINATE;
412 q_params->cmd = BNX2X_Q_CMD_HALT;
413 vfop->rc = bnx2x_queue_state_change(bp, q_params);
415 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
417 case BNX2X_VFOP_QDTOR_TERMINATE:
419 vfop->state = BNX2X_VFOP_QDTOR_CFCDEL;
421 q_params->cmd = BNX2X_Q_CMD_TERMINATE;
422 vfop->rc = bnx2x_queue_state_change(bp, q_params);
424 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
426 case BNX2X_VFOP_QDTOR_CFCDEL:
428 vfop->state = BNX2X_VFOP_QDTOR_DONE;
430 q_params->cmd = BNX2X_Q_CMD_CFC_DEL;
431 vfop->rc = bnx2x_queue_state_change(bp, q_params);
433 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
435 BNX2X_ERR("QDTOR[%d:%d] error: cmd %d, rc %d\n",
436 vf->abs_vfid, qdtor->qid, q_params->cmd, vfop->rc);
438 case BNX2X_VFOP_QDTOR_DONE:
439 /* invalidate the context */
441 qdtor->cxt->ustorm_ag_context.cdu_usage = 0;
442 qdtor->cxt->xstorm_ag_context.cdu_reserved = 0;
444 bnx2x_vfop_end(bp, vf, vfop);
447 bnx2x_vfop_default(state);
453 static int bnx2x_vfop_qdtor_cmd(struct bnx2x *bp,
454 struct bnx2x_virtf *vf,
455 struct bnx2x_vfop_cmd *cmd,
458 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
461 struct bnx2x_queue_state_params *qstate =
462 &vf->op_params.qctor.qstate;
464 memset(qstate, 0, sizeof(*qstate));
465 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
467 vfop->args.qdtor.qid = qid;
468 vfop->args.qdtor.cxt = bnx2x_vfq(vf, qid, cxt);
470 bnx2x_vfop_opset(BNX2X_VFOP_QDTOR_HALT,
471 bnx2x_vfop_qdtor, cmd->done);
472 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdtor,
475 BNX2X_ERR("VF[%d] failed to add a vfop\n", vf->abs_vfid);
481 bnx2x_vf_set_igu_info(struct bnx2x *bp, u8 igu_sb_id, u8 abs_vfid)
483 struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
485 /* the first igu entry belonging to VFs of this PF */
486 if (!BP_VFDB(bp)->first_vf_igu_entry)
487 BP_VFDB(bp)->first_vf_igu_entry = igu_sb_id;
489 /* the first igu entry belonging to this VF */
490 if (!vf_sb_count(vf))
491 vf->igu_base_id = igu_sb_id;
496 BP_VFDB(bp)->vf_sbs_pool++;
499 /* VFOP MAC/VLAN helpers */
500 static inline void bnx2x_vfop_credit(struct bnx2x *bp,
501 struct bnx2x_vfop *vfop,
502 struct bnx2x_vlan_mac_obj *obj)
504 struct bnx2x_vfop_args_filters *args = &vfop->args.filters;
506 /* update credit only if there is no error
507 * and a valid credit counter
509 if (!vfop->rc && args->credit) {
510 struct list_head *pos;
514 read_lock = bnx2x_vlan_mac_h_read_lock(bp, obj);
516 DP(BNX2X_MSG_SP, "Failed to take vlan mac read head; continuing anyway\n");
518 list_for_each(pos, &obj->head)
522 bnx2x_vlan_mac_h_read_unlock(bp, obj);
524 atomic_set(args->credit, cnt);
528 static int bnx2x_vfop_set_user_req(struct bnx2x *bp,
529 struct bnx2x_vfop_filter *pos,
530 struct bnx2x_vlan_mac_data *user_req)
532 user_req->cmd = pos->add ? BNX2X_VLAN_MAC_ADD :
536 case BNX2X_VFOP_FILTER_MAC:
537 memcpy(user_req->u.mac.mac, pos->mac, ETH_ALEN);
539 case BNX2X_VFOP_FILTER_VLAN:
540 user_req->u.vlan.vlan = pos->vid;
543 BNX2X_ERR("Invalid filter type, skipping\n");
549 static int bnx2x_vfop_config_list(struct bnx2x *bp,
550 struct bnx2x_vfop_filters *filters,
551 struct bnx2x_vlan_mac_ramrod_params *vlan_mac)
553 struct bnx2x_vfop_filter *pos, *tmp;
554 struct list_head rollback_list, *filters_list = &filters->head;
555 struct bnx2x_vlan_mac_data *user_req = &vlan_mac->user_req;
558 INIT_LIST_HEAD(&rollback_list);
560 list_for_each_entry_safe(pos, tmp, filters_list, link) {
561 if (bnx2x_vfop_set_user_req(bp, pos, user_req))
564 rc = bnx2x_config_vlan_mac(bp, vlan_mac);
566 cnt += pos->add ? 1 : -1;
567 list_move(&pos->link, &rollback_list);
569 } else if (rc == -EEXIST) {
572 BNX2X_ERR("Failed to add a new vlan_mac command\n");
577 /* rollback if error or too many rules added */
578 if (rc || cnt > filters->add_cnt) {
579 BNX2X_ERR("error or too many rules added. Performing rollback\n");
580 list_for_each_entry_safe(pos, tmp, &rollback_list, link) {
581 pos->add = !pos->add; /* reverse op */
582 bnx2x_vfop_set_user_req(bp, pos, user_req);
583 bnx2x_config_vlan_mac(bp, vlan_mac);
584 list_del(&pos->link);
590 filters->add_cnt = cnt;
594 /* VFOP set VLAN/MAC */
595 static void bnx2x_vfop_vlan_mac(struct bnx2x *bp, struct bnx2x_virtf *vf)
597 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
598 struct bnx2x_vlan_mac_ramrod_params *vlan_mac = &vfop->op_p->vlan_mac;
599 struct bnx2x_vlan_mac_obj *obj = vlan_mac->vlan_mac_obj;
600 struct bnx2x_vfop_filters *filters = vfop->args.filters.multi_filter;
602 enum bnx2x_vfop_vlan_mac_state state = vfop->state;
607 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
609 bnx2x_vfop_reset_wq(vf);
612 case BNX2X_VFOP_VLAN_MAC_CLEAR:
614 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
617 vfop->rc = obj->delete_all(bp, obj,
618 &vlan_mac->user_req.vlan_mac_flags,
619 &vlan_mac->ramrod_flags);
621 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
623 case BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE:
625 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
628 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
629 if (vfop->rc == -EEXIST)
632 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
634 case BNX2X_VFOP_VLAN_MAC_CHK_DONE:
635 vfop->rc = !!obj->raw.check_pending(&obj->raw);
636 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
638 case BNX2X_VFOP_MAC_CONFIG_LIST:
640 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
643 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
647 set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
648 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
649 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
651 case BNX2X_VFOP_VLAN_CONFIG_LIST:
653 vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
656 vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
658 set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
659 vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
661 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
664 bnx2x_vfop_default(state);
667 BNX2X_ERR("VLAN-MAC error: rc %d\n", vfop->rc);
670 bnx2x_vfop_credit(bp, vfop, obj);
671 bnx2x_vfop_end(bp, vf, vfop);
676 struct bnx2x_vfop_vlan_mac_flags {
684 bnx2x_vfop_vlan_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
685 struct bnx2x_vfop_vlan_mac_flags *flags)
687 struct bnx2x_vlan_mac_data *ureq = &ramrod->user_req;
689 memset(ramrod, 0, sizeof(*ramrod));
693 set_bit(RAMROD_DRV_CLR_ONLY, &ramrod->ramrod_flags);
694 if (flags->single_cmd)
695 set_bit(RAMROD_EXEC, &ramrod->ramrod_flags);
698 if (flags->dont_consume)
699 set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, &ureq->vlan_mac_flags);
702 ureq->cmd = flags->add ? BNX2X_VLAN_MAC_ADD : BNX2X_VLAN_MAC_DEL;
706 bnx2x_vfop_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
707 struct bnx2x_vfop_vlan_mac_flags *flags)
709 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, flags);
710 set_bit(BNX2X_ETH_MAC, &ramrod->user_req.vlan_mac_flags);
713 static int bnx2x_vfop_mac_delall_cmd(struct bnx2x *bp,
714 struct bnx2x_virtf *vf,
715 struct bnx2x_vfop_cmd *cmd,
716 int qid, bool drv_only)
718 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
722 struct bnx2x_vfop_args_filters filters = {
723 .multi_filter = NULL, /* single */
724 .credit = NULL, /* consume credit */
726 struct bnx2x_vfop_vlan_mac_flags flags = {
727 .drv_only = drv_only,
728 .dont_consume = (filters.credit != NULL),
730 .add = false /* don't care */,
732 struct bnx2x_vlan_mac_ramrod_params *ramrod =
733 &vf->op_params.vlan_mac;
735 /* set ramrod params */
736 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
739 rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, mac_obj));
742 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
745 vfop->args.filters = filters;
747 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
748 bnx2x_vfop_vlan_mac, cmd->done);
749 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
755 int bnx2x_vfop_mac_list_cmd(struct bnx2x *bp,
756 struct bnx2x_virtf *vf,
757 struct bnx2x_vfop_cmd *cmd,
758 struct bnx2x_vfop_filters *macs,
759 int qid, bool drv_only)
761 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
765 struct bnx2x_vfop_args_filters filters = {
766 .multi_filter = macs,
767 .credit = NULL, /* consume credit */
769 struct bnx2x_vfop_vlan_mac_flags flags = {
770 .drv_only = drv_only,
771 .dont_consume = (filters.credit != NULL),
773 .add = false, /* don't care since only the items in the
774 * filters list affect the sp operation,
775 * not the list itself
778 struct bnx2x_vlan_mac_ramrod_params *ramrod =
779 &vf->op_params.vlan_mac;
781 /* set ramrod params */
782 bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
785 rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, mac_obj));
788 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
791 filters.multi_filter->add_cnt = BNX2X_VFOP_FILTER_ADD_CNT_MAX;
792 vfop->args.filters = filters;
794 bnx2x_vfop_opset(BNX2X_VFOP_MAC_CONFIG_LIST,
795 bnx2x_vfop_vlan_mac, cmd->done);
796 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
802 static int bnx2x_vfop_vlan_set_cmd(struct bnx2x *bp,
803 struct bnx2x_virtf *vf,
804 struct bnx2x_vfop_cmd *cmd,
805 int qid, u16 vid, bool add)
807 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
811 struct bnx2x_vfop_args_filters filters = {
812 .multi_filter = NULL, /* single command */
813 .credit = &bnx2x_vfq(vf, qid, vlan_count),
815 struct bnx2x_vfop_vlan_mac_flags flags = {
817 .dont_consume = (filters.credit != NULL),
821 struct bnx2x_vlan_mac_ramrod_params *ramrod =
822 &vf->op_params.vlan_mac;
824 /* set ramrod params */
825 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
826 ramrod->user_req.u.vlan.vlan = vid;
829 rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj));
832 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
835 vfop->args.filters = filters;
837 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE,
838 bnx2x_vfop_vlan_mac, cmd->done);
839 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
845 static int bnx2x_vfop_vlan_delall_cmd(struct bnx2x *bp,
846 struct bnx2x_virtf *vf,
847 struct bnx2x_vfop_cmd *cmd,
848 int qid, bool drv_only)
850 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
854 struct bnx2x_vfop_args_filters filters = {
855 .multi_filter = NULL, /* single command */
856 .credit = &bnx2x_vfq(vf, qid, vlan_count),
858 struct bnx2x_vfop_vlan_mac_flags flags = {
859 .drv_only = drv_only,
860 .dont_consume = (filters.credit != NULL),
862 .add = false, /* don't care */
864 struct bnx2x_vlan_mac_ramrod_params *ramrod =
865 &vf->op_params.vlan_mac;
867 /* set ramrod params */
868 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
871 rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj));
874 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
877 vfop->args.filters = filters;
879 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR,
880 bnx2x_vfop_vlan_mac, cmd->done);
881 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
887 int bnx2x_vfop_vlan_list_cmd(struct bnx2x *bp,
888 struct bnx2x_virtf *vf,
889 struct bnx2x_vfop_cmd *cmd,
890 struct bnx2x_vfop_filters *vlans,
891 int qid, bool drv_only)
893 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
897 struct bnx2x_vfop_args_filters filters = {
898 .multi_filter = vlans,
899 .credit = &bnx2x_vfq(vf, qid, vlan_count),
901 struct bnx2x_vfop_vlan_mac_flags flags = {
902 .drv_only = drv_only,
903 .dont_consume = (filters.credit != NULL),
905 .add = false, /* don't care */
907 struct bnx2x_vlan_mac_ramrod_params *ramrod =
908 &vf->op_params.vlan_mac;
910 /* set ramrod params */
911 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
914 rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj));
917 ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
920 filters.multi_filter->add_cnt = vf_vlan_rules_cnt(vf) -
921 atomic_read(filters.credit);
923 vfop->args.filters = filters;
925 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_CONFIG_LIST,
926 bnx2x_vfop_vlan_mac, cmd->done);
927 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac,
933 /* VFOP queue setup (queue constructor + set vlan 0) */
934 static void bnx2x_vfop_qsetup(struct bnx2x *bp, struct bnx2x_virtf *vf)
936 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
937 int qid = vfop->args.qctor.qid;
938 enum bnx2x_vfop_qsetup_state state = vfop->state;
939 struct bnx2x_vfop_cmd cmd = {
940 .done = bnx2x_vfop_qsetup,
947 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
950 case BNX2X_VFOP_QSETUP_CTOR:
951 /* init the queue ctor command */
952 vfop->state = BNX2X_VFOP_QSETUP_VLAN0;
953 vfop->rc = bnx2x_vfop_qctor_cmd(bp, vf, &cmd, qid);
958 case BNX2X_VFOP_QSETUP_VLAN0:
959 /* skip if non-leading or FPGA/EMU*/
963 /* init the queue set-vlan command (for vlan 0) */
964 vfop->state = BNX2X_VFOP_QSETUP_DONE;
965 vfop->rc = bnx2x_vfop_vlan_set_cmd(bp, vf, &cmd, qid, 0, true);
970 BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf->abs_vfid, qid, vfop->rc);
972 case BNX2X_VFOP_QSETUP_DONE:
973 vf->cfg_flags |= VF_CFG_VLAN;
974 smp_mb__before_clear_bit();
975 set_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN,
977 smp_mb__after_clear_bit();
978 schedule_delayed_work(&bp->sp_rtnl_task, 0);
979 bnx2x_vfop_end(bp, vf, vfop);
982 bnx2x_vfop_default(state);
986 int bnx2x_vfop_qsetup_cmd(struct bnx2x *bp,
987 struct bnx2x_virtf *vf,
988 struct bnx2x_vfop_cmd *cmd,
991 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
994 vfop->args.qctor.qid = qid;
996 bnx2x_vfop_opset(BNX2X_VFOP_QSETUP_CTOR,
997 bnx2x_vfop_qsetup, cmd->done);
998 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qsetup,
1004 /* VFOP queue FLR handling (clear vlans, clear macs, queue destructor) */
1005 static void bnx2x_vfop_qflr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1007 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1008 int qid = vfop->args.qx.qid;
1009 enum bnx2x_vfop_qflr_state state = vfop->state;
1010 struct bnx2x_queue_state_params *qstate;
1011 struct bnx2x_vfop_cmd cmd;
1013 bnx2x_vfop_reset_wq(vf);
1018 DP(BNX2X_MSG_IOV, "VF[%d] STATE: %d\n", vf->abs_vfid, state);
1020 cmd.done = bnx2x_vfop_qflr;
1024 case BNX2X_VFOP_QFLR_CLR_VLAN:
1025 /* vlan-clear-all: driver-only, don't consume credit */
1026 vfop->state = BNX2X_VFOP_QFLR_CLR_MAC;
1027 if (!validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj)))
1028 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid,
1032 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1034 case BNX2X_VFOP_QFLR_CLR_MAC:
1035 /* mac-clear-all: driver only consume credit */
1036 vfop->state = BNX2X_VFOP_QFLR_TERMINATE;
1037 if (!validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, mac_obj)))
1038 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid,
1041 "VF[%d] vfop->rc after bnx2x_vfop_mac_delall_cmd was %d",
1042 vf->abs_vfid, vfop->rc);
1045 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1047 case BNX2X_VFOP_QFLR_TERMINATE:
1048 qstate = &vfop->op_p->qctor.qstate;
1049 memset(qstate , 0, sizeof(*qstate));
1050 qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
1051 vfop->state = BNX2X_VFOP_QFLR_DONE;
1053 DP(BNX2X_MSG_IOV, "VF[%d] qstate during flr was %d\n",
1054 vf->abs_vfid, qstate->q_obj->state);
1056 if (qstate->q_obj->state != BNX2X_Q_STATE_RESET) {
1057 qstate->q_obj->state = BNX2X_Q_STATE_STOPPED;
1058 qstate->cmd = BNX2X_Q_CMD_TERMINATE;
1059 vfop->rc = bnx2x_queue_state_change(bp, qstate);
1060 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_VERIFY_PEND);
1066 BNX2X_ERR("QFLR[%d:%d] error: rc %d\n",
1067 vf->abs_vfid, qid, vfop->rc);
1069 case BNX2X_VFOP_QFLR_DONE:
1070 bnx2x_vfop_end(bp, vf, vfop);
1073 bnx2x_vfop_default(state);
1079 static int bnx2x_vfop_qflr_cmd(struct bnx2x *bp,
1080 struct bnx2x_virtf *vf,
1081 struct bnx2x_vfop_cmd *cmd,
1084 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1087 vfop->args.qx.qid = qid;
1088 bnx2x_vfop_opset(BNX2X_VFOP_QFLR_CLR_VLAN,
1089 bnx2x_vfop_qflr, cmd->done);
1090 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qflr,
1096 /* VFOP multi-casts */
1097 static void bnx2x_vfop_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf)
1099 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1100 struct bnx2x_mcast_ramrod_params *mcast = &vfop->op_p->mcast;
1101 struct bnx2x_raw_obj *raw = &mcast->mcast_obj->raw;
1102 struct bnx2x_vfop_args_mcast *args = &vfop->args.mc_list;
1103 enum bnx2x_vfop_mcast_state state = vfop->state;
1106 bnx2x_vfop_reset_wq(vf);
1111 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1114 case BNX2X_VFOP_MCAST_DEL:
1115 /* clear existing mcasts */
1116 vfop->state = (args->mc_num) ? BNX2X_VFOP_MCAST_ADD
1117 : BNX2X_VFOP_MCAST_CHK_DONE;
1118 mcast->mcast_list_len = vf->mcast_list_len;
1119 vf->mcast_list_len = args->mc_num;
1120 vfop->rc = bnx2x_config_mcast(bp, mcast, BNX2X_MCAST_CMD_DEL);
1121 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
1123 case BNX2X_VFOP_MCAST_ADD:
1124 if (raw->check_pending(raw))
1127 /* update mcast list on the ramrod params */
1128 INIT_LIST_HEAD(&mcast->mcast_list);
1129 for (i = 0; i < args->mc_num; i++)
1130 list_add_tail(&(args->mc[i].link),
1131 &mcast->mcast_list);
1132 mcast->mcast_list_len = args->mc_num;
1134 /* add new mcasts */
1135 vfop->state = BNX2X_VFOP_MCAST_CHK_DONE;
1136 vfop->rc = bnx2x_config_mcast(bp, mcast,
1137 BNX2X_MCAST_CMD_ADD);
1138 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1140 case BNX2X_VFOP_MCAST_CHK_DONE:
1141 vfop->rc = raw->check_pending(raw) ? 1 : 0;
1142 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1144 bnx2x_vfop_default(state);
1147 BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop->rc);
1150 bnx2x_vfop_end(bp, vf, vfop);
1155 int bnx2x_vfop_mcast_cmd(struct bnx2x *bp,
1156 struct bnx2x_virtf *vf,
1157 struct bnx2x_vfop_cmd *cmd,
1158 bnx2x_mac_addr_t *mcasts,
1159 int mcast_num, bool drv_only)
1161 struct bnx2x_vfop *vfop = NULL;
1162 size_t mc_sz = mcast_num * sizeof(struct bnx2x_mcast_list_elem);
1163 struct bnx2x_mcast_list_elem *mc = mc_sz ? kzalloc(mc_sz, GFP_KERNEL) :
1167 vfop = bnx2x_vfop_add(bp, vf);
1170 struct bnx2x_mcast_ramrod_params *ramrod =
1171 &vf->op_params.mcast;
1173 /* set ramrod params */
1174 memset(ramrod, 0, sizeof(*ramrod));
1175 ramrod->mcast_obj = &vf->mcast_obj;
1177 set_bit(RAMROD_DRV_CLR_ONLY,
1178 &ramrod->ramrod_flags);
1180 /* copy mcasts pointers */
1181 vfop->args.mc_list.mc_num = mcast_num;
1182 vfop->args.mc_list.mc = mc;
1183 for (i = 0; i < mcast_num; i++)
1184 mc[i].mac = mcasts[i];
1186 bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL,
1187 bnx2x_vfop_mcast, cmd->done);
1188 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mcast,
1198 static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf)
1200 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1201 struct bnx2x_rx_mode_ramrod_params *ramrod = &vfop->op_p->rx_mode;
1202 enum bnx2x_vfop_rxmode_state state = vfop->state;
1204 bnx2x_vfop_reset_wq(vf);
1209 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1212 case BNX2X_VFOP_RXMODE_CONFIG:
1214 vfop->state = BNX2X_VFOP_RXMODE_DONE;
1216 /* record the accept flags in vfdb so hypervisor can modify them
1219 bnx2x_vfq(vf, ramrod->cl_id - vf->igu_base_id, accept_flags) =
1220 ramrod->rx_accept_flags;
1221 vfop->rc = bnx2x_config_rx_mode(bp, ramrod);
1222 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1224 BNX2X_ERR("RXMODE error: rc %d\n", vfop->rc);
1226 case BNX2X_VFOP_RXMODE_DONE:
1227 bnx2x_vfop_end(bp, vf, vfop);
1230 bnx2x_vfop_default(state);
1236 static void bnx2x_vf_prep_rx_mode(struct bnx2x *bp, u8 qid,
1237 struct bnx2x_rx_mode_ramrod_params *ramrod,
1238 struct bnx2x_virtf *vf,
1239 unsigned long accept_flags)
1241 struct bnx2x_vf_queue *vfq = vfq_get(vf, qid);
1243 memset(ramrod, 0, sizeof(*ramrod));
1244 ramrod->cid = vfq->cid;
1245 ramrod->cl_id = vfq_cl_id(vf, vfq);
1246 ramrod->rx_mode_obj = &bp->rx_mode_obj;
1247 ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid);
1248 ramrod->rx_accept_flags = accept_flags;
1249 ramrod->tx_accept_flags = accept_flags;
1250 ramrod->pstate = &vf->filter_state;
1251 ramrod->state = BNX2X_FILTER_RX_MODE_PENDING;
1253 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
1254 set_bit(RAMROD_RX, &ramrod->ramrod_flags);
1255 set_bit(RAMROD_TX, &ramrod->ramrod_flags);
1257 ramrod->rdata = bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2);
1258 ramrod->rdata_mapping = bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2);
1261 int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp,
1262 struct bnx2x_virtf *vf,
1263 struct bnx2x_vfop_cmd *cmd,
1264 int qid, unsigned long accept_flags)
1266 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1269 struct bnx2x_rx_mode_ramrod_params *ramrod =
1270 &vf->op_params.rx_mode;
1272 bnx2x_vf_prep_rx_mode(bp, qid, ramrod, vf, accept_flags);
1274 bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG,
1275 bnx2x_vfop_rxmode, cmd->done);
1276 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rxmode,
1282 /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs,
1285 static void bnx2x_vfop_qdown(struct bnx2x *bp, struct bnx2x_virtf *vf)
1287 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1288 int qid = vfop->args.qx.qid;
1289 enum bnx2x_vfop_qteardown_state state = vfop->state;
1290 struct bnx2x_vfop_cmd cmd;
1295 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1297 cmd.done = bnx2x_vfop_qdown;
1301 case BNX2X_VFOP_QTEARDOWN_RXMODE:
1303 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_VLAN;
1304 vfop->rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, qid, 0);
1309 case BNX2X_VFOP_QTEARDOWN_CLR_VLAN:
1310 /* vlan-clear-all: don't consume credit */
1311 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MAC;
1312 vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, false);
1317 case BNX2X_VFOP_QTEARDOWN_CLR_MAC:
1318 /* mac-clear-all: consume credit */
1319 vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MCAST;
1320 vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, false);
1325 case BNX2X_VFOP_QTEARDOWN_CLR_MCAST:
1326 vfop->state = BNX2X_VFOP_QTEARDOWN_QDTOR;
1327 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, 0, false);
1332 case BNX2X_VFOP_QTEARDOWN_QDTOR:
1333 /* run the queue destruction flow */
1334 DP(BNX2X_MSG_IOV, "case: BNX2X_VFOP_QTEARDOWN_QDTOR\n");
1335 vfop->state = BNX2X_VFOP_QTEARDOWN_DONE;
1336 DP(BNX2X_MSG_IOV, "new state: BNX2X_VFOP_QTEARDOWN_DONE\n");
1337 vfop->rc = bnx2x_vfop_qdtor_cmd(bp, vf, &cmd, qid);
1338 DP(BNX2X_MSG_IOV, "returned from cmd\n");
1343 BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n",
1344 vf->abs_vfid, qid, vfop->rc);
1346 case BNX2X_VFOP_QTEARDOWN_DONE:
1347 bnx2x_vfop_end(bp, vf, vfop);
1350 bnx2x_vfop_default(state);
1354 int bnx2x_vfop_qdown_cmd(struct bnx2x *bp,
1355 struct bnx2x_virtf *vf,
1356 struct bnx2x_vfop_cmd *cmd,
1359 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1361 /* for non leading queues skip directly to qdown sate */
1363 vfop->args.qx.qid = qid;
1364 bnx2x_vfop_opset(qid == LEADING_IDX ?
1365 BNX2X_VFOP_QTEARDOWN_RXMODE :
1366 BNX2X_VFOP_QTEARDOWN_QDTOR, bnx2x_vfop_qdown,
1368 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdown,
1375 /* VF enable primitives
1376 * when pretend is required the caller is responsible
1377 * for calling pretend prior to calling these routines
1380 /* internal vf enable - until vf is enabled internally all transactions
1381 * are blocked. This routine should always be called last with pretend.
1383 static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable)
1385 REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0);
1388 /* clears vf error in all semi blocks */
1389 static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid)
1391 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid);
1392 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid);
1393 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid);
1394 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid);
1397 static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid)
1399 u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5;
1400 u32 was_err_reg = 0;
1402 switch (was_err_group) {
1404 was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR;
1407 was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR;
1410 was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR;
1413 was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR;
1416 REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f));
1419 static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf)
1424 /* Set VF masks and configuration - pretend */
1425 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1427 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
1428 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
1429 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
1430 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
1431 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
1432 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
1434 val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
1435 val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN);
1436 if (vf->cfg_flags & VF_CFG_INT_SIMD)
1437 val |= IGU_VF_CONF_SINGLE_ISR_EN;
1438 val &= ~IGU_VF_CONF_PARENT_MASK;
1439 val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */
1440 REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
1443 "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n",
1444 vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION));
1446 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1448 /* iterate over all queues, clear sb consumer */
1449 for (i = 0; i < vf_sb_count(vf); i++) {
1450 u8 igu_sb_id = vf_igu_sb(vf, i);
1452 /* zero prod memory */
1453 REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0);
1455 /* clear sb state machine */
1456 bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id,
1459 /* disable + update */
1460 bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0,
1461 IGU_INT_DISABLE, 1);
1465 void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid)
1467 /* set the VF-PF association in the FW */
1468 storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp));
1469 storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1);
1471 /* clear vf errors*/
1472 bnx2x_vf_semi_clear_err(bp, abs_vfid);
1473 bnx2x_vf_pglue_clear_err(bp, abs_vfid);
1475 /* internal vf-enable - pretend */
1476 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid));
1477 DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid);
1478 bnx2x_vf_enable_internal(bp, true);
1479 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1482 static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf)
1484 /* Reset vf in IGU interrupts are still disabled */
1485 bnx2x_vf_igu_reset(bp, vf);
1487 /* pretend to enable the vf with the PBF */
1488 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1489 REG_WR(bp, PBF_REG_DISABLE_VF, 0);
1490 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1493 static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid)
1495 struct pci_dev *dev;
1496 struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
1501 dev = pci_get_bus_and_slot(vf->bus, vf->devfn);
1503 return bnx2x_is_pcie_pending(dev);
1507 int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid)
1509 /* Verify no pending pci transactions */
1510 if (bnx2x_vf_is_pcie_pending(bp, abs_vfid))
1511 BNX2X_ERR("PCIE Transactions still pending\n");
1516 /* must be called after the number of PF queues and the number of VFs are
1520 bnx2x_iov_static_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1522 struct vf_pf_resc_request *resc = &vf->alloc_resc;
1525 /* will be set only during VF-ACQUIRE */
1529 /* no credit calculations for macs (just yet) */
1530 resc->num_mac_filters = 1;
1532 /* divvy up vlan rules */
1533 vlan_count = bp->vlans_pool.check(&bp->vlans_pool);
1534 vlan_count = 1 << ilog2(vlan_count);
1535 resc->num_vlan_filters = vlan_count / BNX2X_NR_VIRTFN(bp);
1537 /* no real limitation */
1538 resc->num_mc_filters = 0;
1540 /* num_sbs already set */
1541 resc->num_sbs = vf->sb_count;
1545 static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1547 /* reset the state variables */
1548 bnx2x_iov_static_resc(bp, vf);
1549 vf->state = VF_FREE;
1552 static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf)
1554 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1556 /* DQ usage counter */
1557 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1558 bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT,
1559 "DQ VF usage counter timed out",
1561 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1563 /* FW cleanup command - poll for the results */
1564 if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid),
1566 BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid);
1568 /* verify TX hw is flushed */
1569 bnx2x_tx_hw_flushed(bp, poll_cnt);
1572 static void bnx2x_vfop_flr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1574 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1575 struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
1576 enum bnx2x_vfop_flr_state state = vfop->state;
1577 struct bnx2x_vfop_cmd cmd = {
1578 .done = bnx2x_vfop_flr,
1585 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1588 case BNX2X_VFOP_FLR_QUEUES:
1589 /* the cleanup operations are valid if and only if the VF
1590 * was first acquired.
1592 if (++(qx->qid) < vf_rxq_count(vf)) {
1593 vfop->rc = bnx2x_vfop_qflr_cmd(bp, vf, &cmd,
1599 /* remove multicasts */
1600 vfop->state = BNX2X_VFOP_FLR_HW;
1601 vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL,
1606 case BNX2X_VFOP_FLR_HW:
1608 /* dispatch final cleanup and wait for HW queues to flush */
1609 bnx2x_vf_flr_clnup_hw(bp, vf);
1611 /* release VF resources */
1612 bnx2x_vf_free_resc(bp, vf);
1614 /* re-open the mailbox */
1615 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
1619 bnx2x_vfop_default(state);
1622 BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf->abs_vfid, vfop->rc);
1624 vf->flr_clnup_stage = VF_FLR_ACK;
1625 bnx2x_vfop_end(bp, vf, vfop);
1626 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1629 static int bnx2x_vfop_flr_cmd(struct bnx2x *bp,
1630 struct bnx2x_virtf *vf,
1631 vfop_handler_t done)
1633 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1635 vfop->args.qx.qid = -1; /* loop */
1636 bnx2x_vfop_opset(BNX2X_VFOP_FLR_QUEUES,
1637 bnx2x_vfop_flr, done);
1638 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_flr, false);
1643 static void bnx2x_vf_flr_clnup(struct bnx2x *bp, struct bnx2x_virtf *prev_vf)
1645 int i = prev_vf ? prev_vf->index + 1 : 0;
1646 struct bnx2x_virtf *vf;
1648 /* find next VF to cleanup */
1651 i < BNX2X_NR_VIRTFN(bp) &&
1652 (bnx2x_vf(bp, i, state) != VF_RESET ||
1653 bnx2x_vf(bp, i, flr_clnup_stage) != VF_FLR_CLN);
1657 DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. Num of vfs: %d\n", i,
1658 BNX2X_NR_VIRTFN(bp));
1660 if (i < BNX2X_NR_VIRTFN(bp)) {
1663 /* lock the vf pf channel */
1664 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1666 /* invoke the VF FLR SM */
1667 if (bnx2x_vfop_flr_cmd(bp, vf, bnx2x_vf_flr_clnup)) {
1668 BNX2X_ERR("VF[%d]: FLR cleanup failed -ENOMEM\n",
1671 /* mark the VF to be ACKED and continue */
1672 vf->flr_clnup_stage = VF_FLR_ACK;
1673 goto next_vf_to_clean;
1678 /* we are done, update vf records */
1679 for_each_vf(bp, i) {
1682 if (vf->flr_clnup_stage != VF_FLR_ACK)
1685 vf->flr_clnup_stage = VF_FLR_EPILOG;
1688 /* Acknowledge the handled VFs.
1689 * we are acknowledge all the vfs which an flr was requested for, even
1690 * if amongst them there are such that we never opened, since the mcp
1691 * will interrupt us immediately again if we only ack some of the bits,
1692 * resulting in an endless loop. This can happen for example in KVM
1693 * where an 'all ones' flr request is sometimes given by hyper visor
1695 DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n",
1696 bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1697 for (i = 0; i < FLRD_VFS_DWORDS; i++)
1698 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i],
1699 bp->vfdb->flrd_vfs[i]);
1701 bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0);
1703 /* clear the acked bits - better yet if the MCP implemented
1704 * write to clear semantics
1706 for (i = 0; i < FLRD_VFS_DWORDS; i++)
1707 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0);
1710 void bnx2x_vf_handle_flr_event(struct bnx2x *bp)
1714 /* Read FLR'd VFs */
1715 for (i = 0; i < FLRD_VFS_DWORDS; i++)
1716 bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]);
1719 "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n",
1720 bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1722 for_each_vf(bp, i) {
1723 struct bnx2x_virtf *vf = BP_VF(bp, i);
1726 if (vf->abs_vfid < 32)
1727 reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid);
1729 reset = bp->vfdb->flrd_vfs[1] &
1730 (1 << (vf->abs_vfid - 32));
1733 /* set as reset and ready for cleanup */
1734 vf->state = VF_RESET;
1735 vf->flr_clnup_stage = VF_FLR_CLN;
1738 "Initiating Final cleanup for VF %d\n",
1743 /* do the FLR cleanup for all marked VFs*/
1744 bnx2x_vf_flr_clnup(bp, NULL);
1747 /* IOV global initialization routines */
1748 void bnx2x_iov_init_dq(struct bnx2x *bp)
1753 /* Set the DQ such that the CID reflect the abs_vfid */
1754 REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0);
1755 REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS));
1757 /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to
1760 REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID);
1762 /* The VF window size is the log2 of the max number of CIDs per VF */
1763 REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND);
1765 /* The VF doorbell size 0 - *B, 4 - 128B. We set it here to match
1766 * the Pf doorbell size although the 2 are independent.
1768 REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST, 3);
1770 /* No security checks for now -
1771 * configure single rule (out of 16) mask = 0x1, value = 0x0,
1772 * CID range 0 - 0x1ffff
1774 REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1);
1775 REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0);
1776 REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0);
1777 REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff);
1779 /* set the VF doorbell threshold */
1780 REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4);
1783 void bnx2x_iov_init_dmae(struct bnx2x *bp)
1785 if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV))
1786 REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
1789 static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
1791 struct pci_dev *dev = bp->pdev;
1792 struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1794 return dev->bus->number + ((dev->devfn + iov->offset +
1795 iov->stride * vfid) >> 8);
1798 static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid)
1800 struct pci_dev *dev = bp->pdev;
1801 struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1803 return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff;
1806 static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf)
1809 struct pci_dev *dev = bp->pdev;
1810 struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1812 for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) {
1813 u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i);
1814 u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i);
1817 vf->bars[n].bar = start + size * vf->abs_vfid;
1818 vf->bars[n].size = size;
1822 static int bnx2x_ari_enabled(struct pci_dev *dev)
1824 return dev->bus->self && dev->bus->self->ari_enabled;
1828 bnx2x_get_vf_igu_cam_info(struct bnx2x *bp)
1832 u8 fid, current_pf = 0;
1834 /* IGU in normal mode - read CAM */
1835 for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) {
1836 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4);
1837 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
1839 fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID);
1840 if (fid & IGU_FID_ENCODE_IS_PF)
1841 current_pf = fid & IGU_FID_PF_NUM_MASK;
1842 else if (current_pf == BP_FUNC(bp))
1843 bnx2x_vf_set_igu_info(bp, sb_id,
1844 (fid & IGU_FID_VF_NUM_MASK));
1845 DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n",
1846 ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"),
1847 ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) :
1848 (fid & IGU_FID_VF_NUM_MASK)), sb_id,
1849 GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR));
1851 DP(BNX2X_MSG_IOV, "vf_sbs_pool is %d\n", BP_VFDB(bp)->vf_sbs_pool);
1854 static void __bnx2x_iov_free_vfdb(struct bnx2x *bp)
1857 kfree(bp->vfdb->vfqs);
1858 kfree(bp->vfdb->vfs);
1864 static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1867 struct pci_dev *dev = bp->pdev;
1869 pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
1871 BNX2X_ERR("failed to find SRIOV capability in device\n");
1876 DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos);
1877 pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
1878 pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total);
1879 pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial);
1880 pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
1881 pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
1882 pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
1883 pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap);
1884 pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
1889 static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1893 /* read the SRIOV capability structure
1894 * The fields can be read via configuration read or
1895 * directly from the device (starting at offset PCICFG_OFFSET)
1897 if (bnx2x_sriov_pci_cfg_info(bp, iov))
1900 /* get the number of SRIOV bars */
1903 /* read the first_vfid */
1904 val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF);
1905 iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK)
1906 * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp));
1909 "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",
1911 iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total,
1912 iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
1917 /* must be called after PF bars are mapped */
1918 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
1922 struct bnx2x_sriov *iov;
1923 struct pci_dev *dev = bp->pdev;
1931 /* verify sriov capability is present in configuration space */
1932 if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV))
1935 /* verify chip revision */
1936 if (CHIP_IS_E1x(bp))
1939 /* check if SRIOV support is turned off */
1943 /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */
1944 if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) {
1945 BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n",
1946 BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID);
1950 /* SRIOV can be enabled only with MSIX */
1951 if (int_mode_param == BNX2X_INT_MODE_MSI ||
1952 int_mode_param == BNX2X_INT_MODE_INTX) {
1953 BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n");
1958 /* verify ari is enabled */
1959 if (!bnx2x_ari_enabled(bp->pdev)) {
1960 BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n");
1964 /* verify igu is in normal mode */
1965 if (CHIP_INT_MODE_IS_BC(bp)) {
1966 BNX2X_ERR("IGU not normal mode, SRIOV can not be enabled\n");
1970 /* allocate the vfs database */
1971 bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL);
1973 BNX2X_ERR("failed to allocate vf database\n");
1978 /* get the sriov info - Linux already collected all the pertinent
1979 * information, however the sriov structure is for the private use
1980 * of the pci module. Also we want this information regardless
1981 * of the hyper-visor.
1983 iov = &(bp->vfdb->sriov);
1984 err = bnx2x_sriov_info(bp, iov);
1988 /* SR-IOV capability was enabled but there are no VFs*/
1989 if (iov->total == 0)
1992 iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param);
1994 DP(BNX2X_MSG_IOV, "num_vfs_param was %d, nr_virtfn was %d\n",
1995 num_vfs_param, iov->nr_virtfn);
1997 /* allocate the vf array */
1998 bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) *
1999 BNX2X_NR_VIRTFN(bp), GFP_KERNEL);
2000 if (!bp->vfdb->vfs) {
2001 BNX2X_ERR("failed to allocate vf array\n");
2006 /* Initial VF init - index and abs_vfid - nr_virtfn must be set */
2007 for_each_vf(bp, i) {
2008 bnx2x_vf(bp, i, index) = i;
2009 bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i;
2010 bnx2x_vf(bp, i, state) = VF_FREE;
2011 INIT_LIST_HEAD(&bnx2x_vf(bp, i, op_list_head));
2012 mutex_init(&bnx2x_vf(bp, i, op_mutex));
2013 bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE;
2016 /* re-read the IGU CAM for VFs - index and abs_vfid must be set */
2017 bnx2x_get_vf_igu_cam_info(bp);
2019 /* allocate the queue arrays for all VFs */
2020 bp->vfdb->vfqs = kzalloc(
2021 BNX2X_MAX_NUM_VF_QUEUES * sizeof(struct bnx2x_vf_queue),
2024 DP(BNX2X_MSG_IOV, "bp->vfdb->vfqs was %p\n", bp->vfdb->vfqs);
2026 if (!bp->vfdb->vfqs) {
2027 BNX2X_ERR("failed to allocate vf queue array\n");
2034 DP(BNX2X_MSG_IOV, "Failed err=%d\n", err);
2035 __bnx2x_iov_free_vfdb(bp);
2039 void bnx2x_iov_remove_one(struct bnx2x *bp)
2043 /* if SRIOV is not enabled there's nothing to do */
2047 DP(BNX2X_MSG_IOV, "about to call disable sriov\n");
2048 pci_disable_sriov(bp->pdev);
2049 DP(BNX2X_MSG_IOV, "sriov disabled\n");
2051 /* disable access to all VFs */
2052 for (vf_idx = 0; vf_idx < bp->vfdb->sriov.total; vf_idx++) {
2053 bnx2x_pretend_func(bp,
2055 bp->vfdb->sriov.first_vf_in_pf +
2057 DP(BNX2X_MSG_IOV, "disabling internal access for vf %d\n",
2058 bp->vfdb->sriov.first_vf_in_pf + vf_idx);
2059 bnx2x_vf_enable_internal(bp, 0);
2060 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2063 /* free vf database */
2064 __bnx2x_iov_free_vfdb(bp);
2067 void bnx2x_iov_free_mem(struct bnx2x *bp)
2074 /* free vfs hw contexts */
2075 for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2076 struct hw_dma *cxt = &bp->vfdb->context[i];
2077 BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size);
2080 BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr,
2081 BP_VFDB(bp)->sp_dma.mapping,
2082 BP_VFDB(bp)->sp_dma.size);
2084 BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr,
2085 BP_VF_MBX_DMA(bp)->mapping,
2086 BP_VF_MBX_DMA(bp)->size);
2088 BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr,
2089 BP_VF_BULLETIN_DMA(bp)->mapping,
2090 BP_VF_BULLETIN_DMA(bp)->size);
2093 int bnx2x_iov_alloc_mem(struct bnx2x *bp)
2101 /* allocate vfs hw contexts */
2102 tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) *
2103 BNX2X_CIDS_PER_VF * sizeof(union cdu_context);
2105 for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2106 struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i);
2107 cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ);
2110 BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size);
2115 tot_size -= cxt->size;
2118 /* allocate vfs ramrods dma memory - client_init and set_mac */
2119 tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp);
2120 BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping,
2122 BP_VFDB(bp)->sp_dma.size = tot_size;
2124 /* allocate mailboxes */
2125 tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE;
2126 BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping,
2128 BP_VF_MBX_DMA(bp)->size = tot_size;
2130 /* allocate local bulletin boards */
2131 tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE;
2132 BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp)->addr,
2133 &BP_VF_BULLETIN_DMA(bp)->mapping, tot_size);
2134 BP_VF_BULLETIN_DMA(bp)->size = tot_size;
2142 static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
2143 struct bnx2x_vf_queue *q)
2145 u8 cl_id = vfq_cl_id(vf, q);
2146 u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
2147 unsigned long q_type = 0;
2149 set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
2150 set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
2152 /* Queue State object */
2153 bnx2x_init_queue_obj(bp, &q->sp_obj,
2154 cl_id, &q->cid, 1, func_id,
2155 bnx2x_vf_sp(bp, vf, q_data),
2156 bnx2x_vf_sp_map(bp, vf, q_data),
2160 "initialized vf %d's queue object. func id set to %d. cid set to 0x%x\n",
2161 vf->abs_vfid, q->sp_obj.func_id, q->cid);
2164 /* called by bnx2x_nic_load */
2165 int bnx2x_iov_nic_init(struct bnx2x *bp)
2169 if (!IS_SRIOV(bp)) {
2170 DP(BNX2X_MSG_IOV, "vfdb was not allocated\n");
2174 DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn);
2176 /* let FLR complete ... */
2179 /* initialize vf database */
2180 for_each_vf(bp, vfid) {
2181 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2183 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) *
2186 union cdu_context *base_cxt = (union cdu_context *)
2187 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2188 (base_vf_cid & (ILT_PAGE_CIDS-1));
2191 "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n",
2192 vf->abs_vfid, vf_sb_count(vf), base_vf_cid,
2193 BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt);
2195 /* init statically provisioned resources */
2196 bnx2x_iov_static_resc(bp, vf);
2198 /* queues are initialized during VF-ACQUIRE */
2200 /* reserve the vf vlan credit */
2201 bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf));
2203 vf->filter_state = 0;
2204 vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id);
2206 /* init mcast object - This object will be re-initialized
2207 * during VF-ACQUIRE with the proper cl_id and cid.
2208 * It needs to be initialized here so that it can be safely
2209 * handled by a subsequent FLR flow.
2211 vf->mcast_list_len = 0;
2212 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF,
2214 bnx2x_vf_sp(bp, vf, mcast_rdata),
2215 bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2216 BNX2X_FILTER_MCAST_PENDING,
2218 BNX2X_OBJ_TYPE_RX_TX);
2220 /* set the mailbox message addresses */
2221 BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *)
2222 (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid *
2223 MBX_MSG_ALIGNED_SIZE);
2225 BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping +
2226 vfid * MBX_MSG_ALIGNED_SIZE;
2228 /* Enable vf mailbox */
2229 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
2233 for_each_vf(bp, vfid) {
2234 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2236 /* fill in the BDF and bars */
2237 vf->bus = bnx2x_vf_bus(bp, vfid);
2238 vf->devfn = bnx2x_vf_devfn(bp, vfid);
2239 bnx2x_vf_set_bars(bp, vf);
2242 "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n",
2243 vf->abs_vfid, vf->bus, vf->devfn,
2244 (unsigned)vf->bars[0].bar, vf->bars[0].size,
2245 (unsigned)vf->bars[1].bar, vf->bars[1].size,
2246 (unsigned)vf->bars[2].bar, vf->bars[2].size);
2252 /* called by bnx2x_chip_cleanup */
2253 int bnx2x_iov_chip_cleanup(struct bnx2x *bp)
2260 /* release all the VFs */
2262 bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */
2267 /* called by bnx2x_init_hw_func, returns the next ilt line */
2268 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line)
2271 struct bnx2x_ilt *ilt = BP_ILT(bp);
2276 /* set vfs ilt lines */
2277 for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2278 struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i);
2280 ilt->lines[line+i].page = hw_cxt->addr;
2281 ilt->lines[line+i].page_mapping = hw_cxt->mapping;
2282 ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */
2287 static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid)
2289 return ((cid >= BNX2X_FIRST_VF_CID) &&
2290 ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS));
2294 void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp,
2295 struct bnx2x_vf_queue *vfq,
2296 union event_ring_elem *elem)
2298 unsigned long ramrod_flags = 0;
2301 /* Always push next commands out, don't wait here */
2302 set_bit(RAMROD_CONT, &ramrod_flags);
2304 switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
2305 case BNX2X_FILTER_MAC_PENDING:
2306 rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem,
2309 case BNX2X_FILTER_VLAN_PENDING:
2310 rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem,
2314 BNX2X_ERR("Unsupported classification command: %d\n",
2315 elem->message.data.eth_event.echo);
2319 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
2321 DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n");
2325 void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp,
2326 struct bnx2x_virtf *vf)
2328 struct bnx2x_mcast_ramrod_params rparam = {NULL};
2331 rparam.mcast_obj = &vf->mcast_obj;
2332 vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw);
2334 /* If there are pending mcast commands - send them */
2335 if (vf->mcast_obj.check_pending(&vf->mcast_obj)) {
2336 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
2338 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
2344 void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp,
2345 struct bnx2x_virtf *vf)
2347 smp_mb__before_clear_bit();
2348 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
2349 smp_mb__after_clear_bit();
2352 int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem)
2354 struct bnx2x_virtf *vf;
2355 int qidx = 0, abs_vfid;
2362 /* first get the cid - the only events we handle here are cfc-delete
2363 * and set-mac completion
2365 opcode = elem->message.opcode;
2368 case EVENT_RING_OPCODE_CFC_DEL:
2369 cid = SW_CID((__force __le32)
2370 elem->message.data.cfc_del_event.cid);
2371 DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid);
2373 case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2374 case EVENT_RING_OPCODE_MULTICAST_RULES:
2375 case EVENT_RING_OPCODE_FILTERS_RULES:
2376 cid = (elem->message.data.eth_event.echo &
2378 DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid);
2380 case EVENT_RING_OPCODE_VF_FLR:
2381 abs_vfid = elem->message.data.vf_flr_event.vf_id;
2382 DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n",
2385 case EVENT_RING_OPCODE_MALICIOUS_VF:
2386 abs_vfid = elem->message.data.malicious_vf_event.vf_id;
2387 DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d err_id=0x%x\n",
2388 abs_vfid, elem->message.data.malicious_vf_event.err_id);
2394 /* check if the cid is the VF range */
2395 if (!bnx2x_iov_is_vf_cid(bp, cid)) {
2396 DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid);
2400 /* extract vf and rxq index from vf_cid - relies on the following:
2401 * 1. vfid on cid reflects the true abs_vfid
2402 * 2. The max number of VFs (per path) is 64
2404 qidx = cid & ((1 << BNX2X_VF_CID_WND)-1);
2405 abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2407 vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
2410 BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n",
2416 case EVENT_RING_OPCODE_CFC_DEL:
2417 DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n",
2418 vf->abs_vfid, qidx);
2419 vfq_get(vf, qidx)->sp_obj.complete_cmd(bp,
2422 BNX2X_Q_CMD_CFC_DEL);
2424 case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2425 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n",
2426 vf->abs_vfid, qidx);
2427 bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem);
2429 case EVENT_RING_OPCODE_MULTICAST_RULES:
2430 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n",
2431 vf->abs_vfid, qidx);
2432 bnx2x_vf_handle_mcast_eqe(bp, vf);
2434 case EVENT_RING_OPCODE_FILTERS_RULES:
2435 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n",
2436 vf->abs_vfid, qidx);
2437 bnx2x_vf_handle_filters_eqe(bp, vf);
2439 case EVENT_RING_OPCODE_VF_FLR:
2440 DP(BNX2X_MSG_IOV, "got VF [%d] FLR notification\n",
2442 /* Do nothing for now */
2444 case EVENT_RING_OPCODE_MALICIOUS_VF:
2445 DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d error id %x\n",
2446 abs_vfid, elem->message.data.malicious_vf_event.err_id);
2447 /* Do nothing for now */
2450 /* SRIOV: reschedule any 'in_progress' operations */
2451 bnx2x_iov_sp_event(bp, cid, false);
2456 static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid)
2458 /* extract the vf from vf_cid - relies on the following:
2459 * 1. vfid on cid reflects the true abs_vfid
2460 * 2. The max number of VFs (per path) is 64
2462 int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2463 return bnx2x_vf_by_abs_fid(bp, abs_vfid);
2466 void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
2467 struct bnx2x_queue_sp_obj **q_obj)
2469 struct bnx2x_virtf *vf;
2474 vf = bnx2x_vf_by_cid(bp, vf_cid);
2477 /* extract queue index from vf_cid - relies on the following:
2478 * 1. vfid on cid reflects the true abs_vfid
2479 * 2. The max number of VFs (per path) is 64
2481 int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1);
2482 *q_obj = &bnx2x_vfq(vf, q_index, sp_obj);
2484 BNX2X_ERR("No vf matching cid %d\n", vf_cid);
2488 void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work)
2490 struct bnx2x_virtf *vf;
2492 /* check if the cid is the VF range */
2493 if (!IS_SRIOV(bp) || !bnx2x_iov_is_vf_cid(bp, vf_cid))
2496 vf = bnx2x_vf_by_cid(bp, vf_cid);
2498 /* set in_progress flag */
2499 atomic_set(&vf->op_in_progress, 1);
2501 queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
2505 void bnx2x_iov_adjust_stats_req(struct bnx2x *bp)
2508 int first_queue_query_index, num_queues_req;
2509 dma_addr_t cur_data_offset;
2510 struct stats_query_entry *cur_query_entry;
2512 bool is_fcoe = false;
2520 /* fcoe adds one global request and one queue request */
2521 num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe;
2522 first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX -
2526 "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",
2527 BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index,
2528 first_queue_query_index + num_queues_req);
2530 cur_data_offset = bp->fw_stats_data_mapping +
2531 offsetof(struct bnx2x_fw_stats_data, queue_stats) +
2532 num_queues_req * sizeof(struct per_queue_stats);
2534 cur_query_entry = &bp->fw_stats_req->
2535 query[first_queue_query_index + num_queues_req];
2537 for_each_vf(bp, i) {
2539 struct bnx2x_virtf *vf = BP_VF(bp, i);
2541 if (vf->state != VF_ENABLED) {
2543 "vf %d not enabled so no stats for it\n",
2548 DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid);
2549 for_each_vfq(vf, j) {
2550 struct bnx2x_vf_queue *rxq = vfq_get(vf, j);
2552 dma_addr_t q_stats_addr =
2553 vf->fw_stat_map + j * vf->stats_stride;
2555 /* collect stats fro active queues only */
2556 if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) ==
2557 BNX2X_Q_LOGICAL_STATE_STOPPED)
2560 /* create stats query entry for this queue */
2561 cur_query_entry->kind = STATS_TYPE_QUEUE;
2562 cur_query_entry->index = vfq_stat_id(vf, rxq);
2563 cur_query_entry->funcID =
2564 cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid));
2565 cur_query_entry->address.hi =
2566 cpu_to_le32(U64_HI(q_stats_addr));
2567 cur_query_entry->address.lo =
2568 cpu_to_le32(U64_LO(q_stats_addr));
2570 "added address %x %x for vf %d queue %d client %d\n",
2571 cur_query_entry->address.hi,
2572 cur_query_entry->address.lo, cur_query_entry->funcID,
2573 j, cur_query_entry->index);
2575 cur_data_offset += sizeof(struct per_queue_stats);
2578 /* all stats are coalesced to the leading queue */
2579 if (vf->cfg_flags & VF_CFG_STATS_COALESCE)
2583 bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count;
2586 void bnx2x_iov_sp_task(struct bnx2x *bp)
2592 /* Iterate over all VFs and invoke state transition for VFs with
2593 * 'in-progress' slow-path operations
2595 DP(BNX2X_MSG_IOV, "searching for pending vf operations\n");
2596 for_each_vf(bp, i) {
2597 struct bnx2x_virtf *vf = BP_VF(bp, i);
2600 BNX2X_ERR("VF was null! skipping...\n");
2604 if (!list_empty(&vf->op_list_head) &&
2605 atomic_read(&vf->op_in_progress)) {
2606 DP(BNX2X_MSG_IOV, "running pending op for vf %d\n", i);
2607 bnx2x_vfop_cur(bp, vf)->transition(bp, vf);
2613 struct bnx2x_virtf *__vf_from_stat_id(struct bnx2x *bp, u8 stat_id)
2616 struct bnx2x_virtf *vf = NULL;
2618 for_each_vf(bp, i) {
2620 if (stat_id >= vf->igu_base_id &&
2621 stat_id < vf->igu_base_id + vf_sb_count(vf))
2627 /* VF API helpers */
2628 static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid,
2631 u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4;
2632 u32 val = enable ? (abs_vfid | (1 << 6)) : 0;
2634 REG_WR(bp, reg, val);
2637 static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf)
2642 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2643 vfq_qzone_id(vf, vfq_get(vf, i)), false);
2646 static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf)
2650 /* clear the VF configuration - pretend */
2651 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
2652 val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
2653 val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN |
2654 IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK);
2655 REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
2656 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2659 u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf)
2661 return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF),
2662 BNX2X_VF_MAX_QUEUES);
2666 int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf,
2667 struct vf_pf_resc_request *req_resc)
2669 u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2670 u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2672 return ((req_resc->num_rxqs <= rxq_cnt) &&
2673 (req_resc->num_txqs <= txq_cnt) &&
2674 (req_resc->num_sbs <= vf_sb_count(vf)) &&
2675 (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) &&
2676 (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf)));
2680 int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
2681 struct vf_pf_resc_request *resc)
2683 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) *
2686 union cdu_context *base_cxt = (union cdu_context *)
2687 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2688 (base_vf_cid & (ILT_PAGE_CIDS-1));
2691 /* if state is 'acquired' the VF was not released or FLR'd, in
2692 * this case the returned resources match the acquired already
2693 * acquired resources. Verify that the requested numbers do
2694 * not exceed the already acquired numbers.
2696 if (vf->state == VF_ACQUIRED) {
2697 DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n",
2700 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2701 BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n",
2708 /* Otherwise vf state must be 'free' or 'reset' */
2709 if (vf->state != VF_FREE && vf->state != VF_RESET) {
2710 BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n",
2711 vf->abs_vfid, vf->state);
2715 /* static allocation:
2716 * the global maximum number are fixed per VF. Fail the request if
2717 * requested number exceed these globals
2719 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2721 "cannot fulfill vf resource request. Placing maximal available values in response\n");
2722 /* set the max resource in the vf */
2726 /* Set resources counters - 0 request means max available */
2727 vf_sb_count(vf) = resc->num_sbs;
2728 vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2729 vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2730 if (resc->num_mac_filters)
2731 vf_mac_rules_cnt(vf) = resc->num_mac_filters;
2732 if (resc->num_vlan_filters)
2733 vf_vlan_rules_cnt(vf) = resc->num_vlan_filters;
2736 "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n",
2737 vf_sb_count(vf), vf_rxq_count(vf),
2738 vf_txq_count(vf), vf_mac_rules_cnt(vf),
2739 vf_vlan_rules_cnt(vf));
2741 /* Initialize the queues */
2743 DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n");
2747 for_each_vfq(vf, i) {
2748 struct bnx2x_vf_queue *q = vfq_get(vf, i);
2751 BNX2X_ERR("q number %d was not allocated\n", i);
2756 q->cxt = &((base_cxt + i)->eth);
2757 q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i;
2759 DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n",
2760 vf->abs_vfid, i, q->index, q->cid, q->cxt);
2762 /* init SP objects */
2763 bnx2x_vfq_init(bp, vf, q);
2765 vf->state = VF_ACQUIRED;
2769 int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map)
2771 struct bnx2x_func_init_params func_init = {0};
2775 /* the sb resources are initialized at this point, do the
2776 * FW/HW initializations
2778 for_each_vf_sb(vf, i)
2779 bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true,
2780 vf_igu_sb(vf, i), vf_igu_sb(vf, i));
2783 if (vf->state != VF_ACQUIRED) {
2784 DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n",
2785 vf->abs_vfid, vf->state);
2789 /* let FLR complete ... */
2792 /* FLR cleanup epilogue */
2793 if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid))
2796 /* reset IGU VF statistics: MSIX */
2797 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0);
2800 if (vf->cfg_flags & VF_CFG_STATS)
2801 flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ);
2803 if (vf->cfg_flags & VF_CFG_TPA)
2804 flags |= FUNC_FLG_TPA;
2806 if (is_vf_multi(vf))
2807 flags |= FUNC_FLG_RSS;
2809 /* function setup */
2810 func_init.func_flgs = flags;
2811 func_init.pf_id = BP_FUNC(bp);
2812 func_init.func_id = FW_VF_HANDLE(vf->abs_vfid);
2813 func_init.fw_stat_map = vf->fw_stat_map;
2814 func_init.spq_map = vf->spq_map;
2815 func_init.spq_prod = 0;
2816 bnx2x_func_init(bp, &func_init);
2819 bnx2x_vf_enable_access(bp, vf->abs_vfid);
2820 bnx2x_vf_enable_traffic(bp, vf);
2822 /* queue protection table */
2824 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2825 vfq_qzone_id(vf, vfq_get(vf, i)), true);
2827 vf->state = VF_ENABLED;
2829 /* update vf bulletin board */
2830 bnx2x_post_vf_bulletin(bp, vf->index);
2835 struct set_vf_state_cookie {
2836 struct bnx2x_virtf *vf;
2840 static void bnx2x_set_vf_state(void *cookie)
2842 struct set_vf_state_cookie *p = (struct set_vf_state_cookie *)cookie;
2844 p->vf->state = p->state;
2847 /* VFOP close (teardown the queues, delete mcasts and close HW) */
2848 static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf)
2850 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2851 struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
2852 enum bnx2x_vfop_close_state state = vfop->state;
2853 struct bnx2x_vfop_cmd cmd = {
2854 .done = bnx2x_vfop_close,
2861 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
2864 case BNX2X_VFOP_CLOSE_QUEUES:
2866 if (++(qx->qid) < vf_rxq_count(vf)) {
2867 vfop->rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qx->qid);
2872 vfop->state = BNX2X_VFOP_CLOSE_HW;
2874 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
2876 case BNX2X_VFOP_CLOSE_HW:
2878 /* disable the interrupts */
2879 DP(BNX2X_MSG_IOV, "disabling igu\n");
2880 bnx2x_vf_igu_disable(bp, vf);
2882 /* disable the VF */
2883 DP(BNX2X_MSG_IOV, "clearing qtbl\n");
2884 bnx2x_vf_clr_qtbl(bp, vf);
2888 bnx2x_vfop_default(state);
2891 BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc);
2894 /* need to make sure there are no outstanding stats ramrods which may
2895 * cause the device to access the VF's stats buffer which it will free
2896 * as soon as we return from the close flow.
2899 struct set_vf_state_cookie cookie;
2902 cookie.state = VF_ACQUIRED;
2903 bnx2x_stats_safe_exec(bp, bnx2x_set_vf_state, &cookie);
2906 DP(BNX2X_MSG_IOV, "set state to acquired\n");
2907 bnx2x_vfop_end(bp, vf, vfop);
2909 /* Not supported at the moment; Exists for macros only */
2913 int bnx2x_vfop_close_cmd(struct bnx2x *bp,
2914 struct bnx2x_virtf *vf,
2915 struct bnx2x_vfop_cmd *cmd)
2917 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2919 vfop->args.qx.qid = -1; /* loop */
2920 bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES,
2921 bnx2x_vfop_close, cmd->done);
2922 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_close,
2928 /* VF release can be called either: 1. The VF was acquired but
2929 * not enabled 2. the vf was enabled or in the process of being
2932 static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf)
2934 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2935 struct bnx2x_vfop_cmd cmd = {
2936 .done = bnx2x_vfop_release,
2940 DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2945 DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid,
2946 vf->state == VF_FREE ? "Free" :
2947 vf->state == VF_ACQUIRED ? "Acquired" :
2948 vf->state == VF_ENABLED ? "Enabled" :
2949 vf->state == VF_RESET ? "Reset" :
2952 switch (vf->state) {
2954 vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd);
2960 DP(BNX2X_MSG_IOV, "about to free resources\n");
2961 bnx2x_vf_free_resc(bp, vf);
2962 DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2970 bnx2x_vfop_default(vf->state);
2973 BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc);
2975 bnx2x_vfop_end(bp, vf, vfop);
2978 static void bnx2x_vfop_rss(struct bnx2x *bp, struct bnx2x_virtf *vf)
2980 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2981 enum bnx2x_vfop_rss_state state;
2984 BNX2X_ERR("vfop was null\n");
2988 state = vfop->state;
2989 bnx2x_vfop_reset_wq(vf);
2994 DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
2997 case BNX2X_VFOP_RSS_CONFIG:
2999 vfop->state = BNX2X_VFOP_RSS_DONE;
3000 bnx2x_config_rss(bp, &vfop->op_p->rss);
3001 bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
3003 BNX2X_ERR("RSS error: rc %d\n", vfop->rc);
3005 case BNX2X_VFOP_RSS_DONE:
3006 bnx2x_vfop_end(bp, vf, vfop);
3009 bnx2x_vfop_default(state);
3015 int bnx2x_vfop_release_cmd(struct bnx2x *bp,
3016 struct bnx2x_virtf *vf,
3017 struct bnx2x_vfop_cmd *cmd)
3019 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
3021 bnx2x_vfop_opset(-1, /* use vf->state */
3022 bnx2x_vfop_release, cmd->done);
3023 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release,
3029 int bnx2x_vfop_rss_cmd(struct bnx2x *bp,
3030 struct bnx2x_virtf *vf,
3031 struct bnx2x_vfop_cmd *cmd)
3033 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
3036 bnx2x_vfop_opset(BNX2X_VFOP_RSS_CONFIG, bnx2x_vfop_rss,
3038 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rss,
3044 /* VF release ~ VF close + VF release-resources
3045 * Release is the ultimate SW shutdown and is called whenever an
3046 * irrecoverable error is encountered.
3048 void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block)
3050 struct bnx2x_vfop_cmd cmd = {
3056 DP(BNX2X_MSG_IOV, "PF releasing vf %d\n", vf->abs_vfid);
3057 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
3059 rc = bnx2x_vfop_release_cmd(bp, vf, &cmd);
3062 "VF[%d] Failed to allocate resources for release op- rc=%d\n",
3066 static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp,
3067 struct bnx2x_virtf *vf, u32 *sbdf)
3069 *sbdf = vf->devfn | (vf->bus << 8);
3072 static inline void bnx2x_vf_get_bars(struct bnx2x *bp, struct bnx2x_virtf *vf,
3073 struct bnx2x_vf_bar_info *bar_info)
3077 bar_info->nr_bars = bp->vfdb->sriov.nres;
3078 for (n = 0; n < bar_info->nr_bars; n++)
3079 bar_info->bars[n] = vf->bars[n];
3082 void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
3083 enum channel_tlvs tlv)
3085 /* we don't lock the channel for unsupported tlvs */
3086 if (!bnx2x_tlv_supported(tlv)) {
3087 BNX2X_ERR("attempting to lock with unsupported tlv. Aborting\n");
3091 /* lock the channel */
3092 mutex_lock(&vf->op_mutex);
3094 /* record the locking op */
3095 vf->op_current = tlv;
3098 DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n",
3102 void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
3103 enum channel_tlvs expected_tlv)
3105 enum channel_tlvs current_tlv;
3108 BNX2X_ERR("VF was %p\n", vf);
3112 current_tlv = vf->op_current;
3114 /* we don't unlock the channel for unsupported tlvs */
3115 if (!bnx2x_tlv_supported(expected_tlv))
3118 WARN(expected_tlv != vf->op_current,
3119 "lock mismatch: expected %d found %d", expected_tlv,
3122 /* record the locking op */
3123 vf->op_current = CHANNEL_TLV_NONE;
3125 /* lock the channel */
3126 mutex_unlock(&vf->op_mutex);
3128 /* log the unlock */
3129 DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n",
3130 vf->abs_vfid, vf->op_current);
3133 int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param)
3135 struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev));
3137 if (!IS_SRIOV(bp)) {
3138 BNX2X_ERR("failed to configure SR-IOV since vfdb was not allocated. Check dmesg for errors in probe stage\n");
3142 DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n",
3143 num_vfs_param, BNX2X_NR_VIRTFN(bp));
3145 /* HW channel is only operational when PF is up */
3146 if (bp->state != BNX2X_STATE_OPEN) {
3147 BNX2X_ERR("VF num configuration via sysfs not supported while PF is down\n");
3151 /* we are always bound by the total_vfs in the configuration space */
3152 if (num_vfs_param > BNX2X_NR_VIRTFN(bp)) {
3153 BNX2X_ERR("truncating requested number of VFs (%d) down to maximum allowed (%d)\n",
3154 num_vfs_param, BNX2X_NR_VIRTFN(bp));
3155 num_vfs_param = BNX2X_NR_VIRTFN(bp);
3158 bp->requested_nr_virtfn = num_vfs_param;
3159 if (num_vfs_param == 0) {
3160 pci_disable_sriov(dev);
3163 return bnx2x_enable_sriov(bp);
3166 #define IGU_ENTRY_SIZE 4
3168 int bnx2x_enable_sriov(struct bnx2x *bp)
3170 int rc = 0, req_vfs = bp->requested_nr_virtfn;
3171 int vf_idx, sb_idx, vfq_idx, qcount, first_vf;
3172 u32 igu_entry, address;
3178 first_vf = bp->vfdb->sriov.first_vf_in_pf;
3180 /* statically distribute vf sb pool between VFs */
3181 num_vf_queues = min_t(u16, BNX2X_VF_MAX_QUEUES,
3182 BP_VFDB(bp)->vf_sbs_pool / req_vfs);
3184 /* zero previous values learned from igu cam */
3185 for (vf_idx = 0; vf_idx < req_vfs; vf_idx++) {
3186 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
3189 vf_sb_count(BP_VF(bp, vf_idx)) = 0;
3191 bp->vfdb->vf_sbs_pool = 0;
3193 /* prepare IGU cam */
3194 sb_idx = BP_VFDB(bp)->first_vf_igu_entry;
3195 address = IGU_REG_MAPPING_MEMORY + sb_idx * IGU_ENTRY_SIZE;
3196 for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) {
3197 for (vfq_idx = 0; vfq_idx < num_vf_queues; vfq_idx++) {
3198 igu_entry = vf_idx << IGU_REG_MAPPING_MEMORY_FID_SHIFT |
3199 vfq_idx << IGU_REG_MAPPING_MEMORY_VECTOR_SHIFT |
3200 IGU_REG_MAPPING_MEMORY_VALID;
3201 DP(BNX2X_MSG_IOV, "assigning sb %d to vf %d\n",
3203 REG_WR(bp, address, igu_entry);
3205 address += IGU_ENTRY_SIZE;
3209 /* Reinitialize vf database according to igu cam */
3210 bnx2x_get_vf_igu_cam_info(bp);
3212 DP(BNX2X_MSG_IOV, "vf_sbs_pool %d, num_vf_queues %d\n",
3213 BP_VFDB(bp)->vf_sbs_pool, num_vf_queues);
3216 for_each_vf(bp, vf_idx) {
3217 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
3219 /* set local queue arrays */
3220 vf->vfqs = &bp->vfdb->vfqs[qcount];
3221 qcount += vf_sb_count(vf);
3222 bnx2x_iov_static_resc(bp, vf);
3225 /* prepare msix vectors in VF configuration space - the value in the
3226 * PCI configuration space should be the index of the last entry,
3227 * namely one less than the actual size of the table
3229 for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) {
3230 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf_idx));
3231 REG_WR(bp, PCICFG_OFFSET + GRC_CONFIG_REG_VF_MSIX_CONTROL,
3233 DP(BNX2X_MSG_IOV, "set msix vec num in VF %d cfg space to %d\n",
3234 vf_idx, num_vf_queues - 1);
3236 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
3238 /* enable sriov. This will probe all the VFs, and consequentially cause
3239 * the "acquire" messages to appear on the VF PF channel.
3241 DP(BNX2X_MSG_IOV, "about to call enable sriov\n");
3242 bnx2x_disable_sriov(bp);
3243 rc = pci_enable_sriov(bp->pdev, req_vfs);
3245 BNX2X_ERR("pci_enable_sriov failed with %d\n", rc);
3248 DP(BNX2X_MSG_IOV, "sriov enabled (%d vfs)\n", req_vfs);
3252 void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp)
3255 struct pf_vf_bulletin_content *bulletin;
3257 DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n");
3258 for_each_vf(bp, vfidx) {
3259 bulletin = BP_VF_BULLETIN(bp, vfidx);
3260 if (BP_VF(bp, vfidx)->cfg_flags & VF_CFG_VLAN)
3261 bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0);
3265 void bnx2x_disable_sriov(struct bnx2x *bp)
3267 pci_disable_sriov(bp->pdev);
3270 static int bnx2x_vf_ndo_prep(struct bnx2x *bp, int vfidx,
3271 struct bnx2x_virtf **vf,
3272 struct pf_vf_bulletin_content **bulletin)
3274 if (bp->state != BNX2X_STATE_OPEN) {
3275 BNX2X_ERR("vf ndo called though PF is down\n");
3279 if (!IS_SRIOV(bp)) {
3280 BNX2X_ERR("vf ndo called though sriov is disabled\n");
3284 if (vfidx >= BNX2X_NR_VIRTFN(bp)) {
3285 BNX2X_ERR("vf ndo called for uninitialized VF. vfidx was %d BNX2X_NR_VIRTFN was %d\n",
3286 vfidx, BNX2X_NR_VIRTFN(bp));
3291 *vf = BP_VF(bp, vfidx);
3292 *bulletin = BP_VF_BULLETIN(bp, vfidx);
3295 BNX2X_ERR("vf ndo called but vf struct is null. vfidx was %d\n",
3301 BNX2X_ERR("vf ndo called but vfqs struct is null. Was ndo invoked before dynamically enabling SR-IOV? vfidx was %d\n",
3307 BNX2X_ERR("vf ndo called but Bulletin Board struct is null. vfidx was %d\n",
3315 int bnx2x_get_vf_config(struct net_device *dev, int vfidx,
3316 struct ifla_vf_info *ivi)
3318 struct bnx2x *bp = netdev_priv(dev);
3319 struct bnx2x_virtf *vf = NULL;
3320 struct pf_vf_bulletin_content *bulletin = NULL;
3321 struct bnx2x_vlan_mac_obj *mac_obj;
3322 struct bnx2x_vlan_mac_obj *vlan_obj;
3325 /* sanity and init */
3326 rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3329 mac_obj = &bnx2x_leading_vfq(vf, mac_obj);
3330 vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj);
3331 if (!mac_obj || !vlan_obj) {
3332 BNX2X_ERR("VF partially initialized\n");
3338 ivi->tx_rate = 10000; /* always 10G. TBA take from link struct */
3339 ivi->spoofchk = 1; /*always enabled */
3340 if (vf->state == VF_ENABLED) {
3341 /* mac and vlan are in vlan_mac objects */
3342 if (validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj)))
3343 mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac,
3345 if (validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, vlan_obj)))
3346 vlan_obj->get_n_elements(bp, vlan_obj, 1,
3347 (u8 *)&ivi->vlan, 0,
3351 if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID))
3352 /* mac configured by ndo so its in bulletin board */
3353 memcpy(&ivi->mac, bulletin->mac, ETH_ALEN);
3355 /* function has not been loaded yet. Show mac as 0s */
3356 memset(&ivi->mac, 0, ETH_ALEN);
3359 if (bulletin->valid_bitmap & (1 << VLAN_VALID))
3360 /* vlan configured by ndo so its in bulletin board */
3361 memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN);
3363 /* function has not been loaded yet. Show vlans as 0s */
3364 memset(&ivi->vlan, 0, VLAN_HLEN);
3370 /* New mac for VF. Consider these cases:
3371 * 1. VF hasn't been acquired yet - save the mac in local bulletin board and
3372 * supply at acquire.
3373 * 2. VF has already been acquired but has not yet initialized - store in local
3374 * bulletin board. mac will be posted on VF bulletin board after VF init. VF
3375 * will configure this mac when it is ready.
3376 * 3. VF has already initialized but has not yet setup a queue - post the new
3377 * mac on VF's bulletin board right now. VF will configure this mac when it
3379 * 4. VF has already set a queue - delete any macs already configured for this
3380 * queue and manually config the new mac.
3381 * In any event, once this function has been called refuse any attempts by the
3382 * VF to configure any mac for itself except for this mac. In case of a race
3383 * where the VF fails to see the new post on its bulletin board before sending a
3384 * mac configuration request, the PF will simply fail the request and VF can try
3385 * again after consulting its bulletin board.
3387 int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac)
3389 struct bnx2x *bp = netdev_priv(dev);
3390 int rc, q_logical_state;
3391 struct bnx2x_virtf *vf = NULL;
3392 struct pf_vf_bulletin_content *bulletin = NULL;
3394 /* sanity and init */
3395 rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3398 if (!is_valid_ether_addr(mac)) {
3399 BNX2X_ERR("mac address invalid\n");
3403 /* update PF's copy of the VF's bulletin. Will no longer accept mac
3404 * configuration requests from vf unless match this mac
3406 bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID;
3407 memcpy(bulletin->mac, mac, ETH_ALEN);
3409 /* Post update on VF's bulletin board */
3410 rc = bnx2x_post_vf_bulletin(bp, vfidx);
3412 BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx);
3417 bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj));
3418 if (vf->state == VF_ENABLED &&
3419 q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3420 /* configure the mac in device on this vf's queue */
3421 unsigned long ramrod_flags = 0;
3422 struct bnx2x_vlan_mac_obj *mac_obj =
3423 &bnx2x_leading_vfq(vf, mac_obj);
3425 rc = validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj));
3429 /* must lock vfpf channel to protect against vf flows */
3430 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3432 /* remove existing eth macs */
3433 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true);
3435 BNX2X_ERR("failed to delete eth macs\n");
3440 /* remove existing uc list macs */
3441 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true);
3443 BNX2X_ERR("failed to delete uc_list macs\n");
3448 /* configure the new mac to device */
3449 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3450 bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true,
3451 BNX2X_ETH_MAC, &ramrod_flags);
3454 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3460 int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)
3462 struct bnx2x_queue_state_params q_params = {NULL};
3463 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
3464 struct bnx2x_queue_update_params *update_params;
3465 struct pf_vf_bulletin_content *bulletin = NULL;
3466 struct bnx2x_rx_mode_ramrod_params rx_ramrod;
3467 struct bnx2x *bp = netdev_priv(dev);
3468 struct bnx2x_vlan_mac_obj *vlan_obj;
3469 unsigned long vlan_mac_flags = 0;
3470 unsigned long ramrod_flags = 0;
3471 struct bnx2x_virtf *vf = NULL;
3472 unsigned long accept_flags;
3475 /* sanity and init */
3476 rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3481 BNX2X_ERR("illegal vlan value %d\n", vlan);
3485 DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n",
3488 /* update PF's copy of the VF's bulletin. No point in posting the vlan
3489 * to the VF since it doesn't have anything to do with it. But it useful
3490 * to store it here in case the VF is not up yet and we can only
3491 * configure the vlan later when it does. Treat vlan id 0 as remove the
3495 bulletin->valid_bitmap |= 1 << VLAN_VALID;
3497 bulletin->valid_bitmap &= ~(1 << VLAN_VALID);
3498 bulletin->vlan = vlan;
3500 /* is vf initialized and queue set up? */
3501 if (vf->state != VF_ENABLED ||
3502 bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj)) !=
3503 BNX2X_Q_LOGICAL_STATE_ACTIVE)
3506 /* configure the vlan in device on this vf's queue */
3507 vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj);
3508 rc = validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj));
3512 /* must lock vfpf channel to protect against vf flows */
3513 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3515 /* remove existing vlans */
3516 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3517 rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags,
3520 BNX2X_ERR("failed to delete vlans\n");
3525 /* need to remove/add the VF's accept_any_vlan bit */
3526 accept_flags = bnx2x_leading_vfq(vf, accept_flags);
3528 clear_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
3530 set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
3532 bnx2x_vf_prep_rx_mode(bp, LEADING_IDX, &rx_ramrod, vf,
3534 bnx2x_leading_vfq(vf, accept_flags) = accept_flags;
3535 bnx2x_config_rx_mode(bp, &rx_ramrod);
3537 /* configure the new vlan to device */
3538 memset(&ramrod_param, 0, sizeof(ramrod_param));
3539 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3540 ramrod_param.vlan_mac_obj = vlan_obj;
3541 ramrod_param.ramrod_flags = ramrod_flags;
3542 set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT,
3543 &ramrod_param.user_req.vlan_mac_flags);
3544 ramrod_param.user_req.u.vlan.vlan = vlan;
3545 ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
3546 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
3548 BNX2X_ERR("failed to configure vlan\n");
3553 /* send queue update ramrod to configure default vlan and silent
3556 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
3557 q_params.cmd = BNX2X_Q_CMD_UPDATE;
3558 q_params.q_obj = &bnx2x_leading_vfq(vf, sp_obj);
3559 update_params = &q_params.params.update;
3560 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
3561 &update_params->update_flags);
3562 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
3563 &update_params->update_flags);
3565 /* if vlan is 0 then we want to leave the VF traffic
3566 * untagged, and leave the incoming traffic untouched
3567 * (i.e. do not remove any vlan tags).
3569 __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3570 &update_params->update_flags);
3571 __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3572 &update_params->update_flags);
3574 /* configure default vlan to vf queue and set silent
3575 * vlan removal (the vf remains unaware of this vlan).
3577 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3578 &update_params->update_flags);
3579 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3580 &update_params->update_flags);
3581 update_params->def_vlan = vlan;
3582 update_params->silent_removal_value =
3583 vlan & VLAN_VID_MASK;
3584 update_params->silent_removal_mask = VLAN_VID_MASK;
3587 /* Update the Queue state */
3588 rc = bnx2x_queue_state_change(bp, &q_params);
3590 BNX2X_ERR("Failed to configure default VLAN\n");
3595 /* clear the flag indicating that this VF needs its vlan
3596 * (will only be set if the HV configured the Vlan before vf was
3597 * up and we were called because the VF came up later
3600 vf->cfg_flags &= ~VF_CFG_VLAN;
3601 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3606 /* crc is the first field in the bulletin board. Compute the crc over the
3607 * entire bulletin board excluding the crc field itself. Use the length field
3608 * as the Bulletin Board was posted by a PF with possibly a different version
3609 * from the vf which will sample it. Therefore, the length is computed by the
3610 * PF and the used blindly by the VF.
3612 u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp,
3613 struct pf_vf_bulletin_content *bulletin)
3615 return crc32(BULLETIN_CRC_SEED,
3616 ((u8 *)bulletin) + sizeof(bulletin->crc),
3617 bulletin->length - sizeof(bulletin->crc));
3620 /* Check for new posts on the bulletin board */
3621 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
3623 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
3626 /* bulletin board hasn't changed since last sample */
3627 if (bp->old_bulletin.version == bulletin.version)
3628 return PFVF_BULLETIN_UNCHANGED;
3630 /* validate crc of new bulletin board */
3631 if (bp->old_bulletin.version != bp->pf2vf_bulletin->content.version) {
3632 /* sampling structure in mid post may result with corrupted data
3633 * validate crc to ensure coherency.
3635 for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) {
3636 bulletin = bp->pf2vf_bulletin->content;
3637 if (bulletin.crc == bnx2x_crc_vf_bulletin(bp,
3640 BNX2X_ERR("bad crc on bulletin board. Contained %x computed %x\n",
3642 bnx2x_crc_vf_bulletin(bp, &bulletin));
3644 if (attempts >= BULLETIN_ATTEMPTS) {
3645 BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n",
3647 return PFVF_BULLETIN_CRC_ERR;
3651 /* the mac address in bulletin board is valid and is new */
3652 if (bulletin.valid_bitmap & 1 << MAC_ADDR_VALID &&
3653 !ether_addr_equal(bulletin.mac, bp->old_bulletin.mac)) {
3654 /* update new mac to net device */
3655 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
3658 /* the vlan in bulletin board is valid and is new */
3659 if (bulletin.valid_bitmap & 1 << VLAN_VALID)
3660 memcpy(&bulletin.vlan, &bp->old_bulletin.vlan, VLAN_HLEN);
3662 /* copy new bulletin board to bp */
3663 bp->old_bulletin = bulletin;
3665 return PFVF_BULLETIN_UPDATED;
3668 void bnx2x_timer_sriov(struct bnx2x *bp)
3670 bnx2x_sample_bulletin(bp);
3672 /* if channel is down we need to self destruct */
3673 if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
3674 smp_mb__before_clear_bit();
3675 set_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
3676 &bp->sp_rtnl_state);
3677 smp_mb__after_clear_bit();
3678 schedule_delayed_work(&bp->sp_rtnl_task, 0);
3682 void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)
3684 /* vf doorbells are embedded within the regview */
3685 return bp->regview + PXP_VF_ADDR_DB_START;
3688 int bnx2x_vf_pci_alloc(struct bnx2x *bp)
3690 mutex_init(&bp->vf2pf_mutex);
3692 /* allocate vf2pf mailbox for vf to pf channel */
3693 BNX2X_PCI_ALLOC(bp->vf2pf_mbox, &bp->vf2pf_mbox_mapping,
3694 sizeof(struct bnx2x_vf_mbx_msg));
3696 /* allocate pf 2 vf bulletin board */
3697 BNX2X_PCI_ALLOC(bp->pf2vf_bulletin, &bp->pf2vf_bulletin_mapping,
3698 sizeof(union pf_vf_bulletin));
3703 BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3704 sizeof(struct bnx2x_vf_mbx_msg));
3705 BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->pf2vf_bulletin_mapping,
3706 sizeof(union pf_vf_bulletin));
3710 void bnx2x_iov_channel_down(struct bnx2x *bp)
3713 struct pf_vf_bulletin_content *bulletin;
3718 for_each_vf(bp, vf_idx) {
3719 /* locate this VFs bulletin board and update the channel down
3722 bulletin = BP_VF_BULLETIN(bp, vf_idx);
3723 bulletin->valid_bitmap |= 1 << CHANNEL_DOWN;
3725 /* update vf bulletin board */
3726 bnx2x_post_vf_bulletin(bp, vf_idx);