1 /* bnx2x_sriov.c: QLogic Everest network driver.
3 * Copyright 2009-2013 Broadcom Corporation
4 * Copyright 2014 QLogic Corporation
7 * Unless you and QLogic execute a separate written software license
8 * agreement governing use of this software, this software is licensed to you
9 * under the terms of the GNU General Public License version 2, available
10 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
12 * Notwithstanding the above, under no circumstances may you combine this
13 * software in any way with any other QLogic software provided under a
14 * license other than the GPL, without QLogic's express prior written
17 * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
18 * Written by: Shmulik Ravid
19 * Ariel Elior <ariel.elior@qlogic.com>
23 #include "bnx2x_init.h"
24 #include "bnx2x_cmn.h"
26 #include <linux/crc32.h>
27 #include <linux/if_vlan.h>
29 static int bnx2x_vf_op_prep(struct bnx2x *bp, int vfidx,
30 struct bnx2x_virtf **vf,
31 struct pf_vf_bulletin_content **bulletin,
34 /* General service functions */
35 static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
38 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
40 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
42 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
44 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
48 static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
51 REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
53 REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
55 REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
57 REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
61 int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
66 if (bnx2x_vf(bp, idx, abs_vfid) == abs_vfid)
72 struct bnx2x_virtf *bnx2x_vf_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
74 u16 idx = (u16)bnx2x_vf_idx_by_abs_fid(bp, abs_vfid);
75 return (idx < BNX2X_NR_VIRTFN(bp)) ? BP_VF(bp, idx) : NULL;
78 static void bnx2x_vf_igu_ack_sb(struct bnx2x *bp, struct bnx2x_virtf *vf,
79 u8 igu_sb_id, u8 segment, u16 index, u8 op,
82 /* acking a VF sb through the PF - use the GRC */
84 u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
85 u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
86 u32 func_encode = vf->abs_vfid;
87 u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + igu_sb_id;
88 struct igu_regular cmd_data = {0};
90 cmd_data.sb_id_and_flags =
91 ((index << IGU_REGULAR_SB_INDEX_SHIFT) |
92 (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) |
93 (update << IGU_REGULAR_BUPDATE_SHIFT) |
94 (op << IGU_REGULAR_ENABLE_INT_SHIFT));
96 ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT |
97 func_encode << IGU_CTRL_REG_FID_SHIFT |
98 IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT;
100 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
101 cmd_data.sb_id_and_flags, igu_addr_data);
102 REG_WR(bp, igu_addr_data, cmd_data.sb_id_and_flags);
106 DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
108 REG_WR(bp, igu_addr_ctl, ctl);
113 static bool bnx2x_validate_vf_sp_objs(struct bnx2x *bp,
114 struct bnx2x_virtf *vf,
117 if (!bnx2x_leading_vfq(vf, sp_initialized)) {
119 BNX2X_ERR("Slowpath objects not yet initialized!\n");
121 DP(BNX2X_MSG_IOV, "Slowpath objects not yet initialized!\n");
127 /* VFOP operations states */
128 void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf,
129 struct bnx2x_queue_init_params *init_params,
130 struct bnx2x_queue_setup_params *setup_params,
131 u16 q_idx, u16 sb_idx)
134 "VF[%d] Q_SETUP: txq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, flags=0x%lx, traffic-type=%d",
138 init_params->tx.sb_cq_index,
139 init_params->tx.hc_rate,
141 setup_params->txq_params.traffic_type);
144 void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf,
145 struct bnx2x_queue_init_params *init_params,
146 struct bnx2x_queue_setup_params *setup_params,
147 u16 q_idx, u16 sb_idx)
149 struct bnx2x_rxq_setup_params *rxq_params = &setup_params->rxq_params;
151 DP(BNX2X_MSG_IOV, "VF[%d] Q_SETUP: rxq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, mtu=%d, buf-size=%d\n"
152 "sge-size=%d, max_sge_pkt=%d, tpa-agg-size=%d, flags=0x%lx, drop-flags=0x%x, cache-log=%d\n",
156 init_params->rx.sb_cq_index,
157 init_params->rx.hc_rate,
158 setup_params->gen_params.mtu,
160 rxq_params->sge_buf_sz,
161 rxq_params->max_sges_pkt,
162 rxq_params->tpa_agg_sz,
164 rxq_params->drop_flags,
165 rxq_params->cache_line_log);
168 void bnx2x_vfop_qctor_prep(struct bnx2x *bp,
169 struct bnx2x_virtf *vf,
170 struct bnx2x_vf_queue *q,
171 struct bnx2x_vf_queue_construct_params *p,
172 unsigned long q_type)
174 struct bnx2x_queue_init_params *init_p = &p->qstate.params.init;
175 struct bnx2x_queue_setup_params *setup_p = &p->prep_qsetup;
179 /* Enable host coalescing in the transition to INIT state */
180 if (test_bit(BNX2X_Q_FLG_HC, &init_p->rx.flags))
181 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->rx.flags);
183 if (test_bit(BNX2X_Q_FLG_HC, &init_p->tx.flags))
184 __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->tx.flags);
187 init_p->rx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
188 init_p->tx.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
191 init_p->cxts[0] = q->cxt;
195 /* Setup-op general parameters */
196 setup_p->gen_params.spcl_id = vf->sp_cl_id;
197 setup_p->gen_params.stat_id = vfq_stat_id(vf, q);
198 setup_p->gen_params.fp_hsi = vf->fp_hsi;
201 * collect statistics, zero statistics, local-switching, security,
202 * OV for Flex10, RSS and MCAST for leading
204 if (test_bit(BNX2X_Q_FLG_STATS, &setup_p->flags))
205 __set_bit(BNX2X_Q_FLG_ZERO_STATS, &setup_p->flags);
207 /* for VFs, enable tx switching, bd coherency, and mac address
210 __set_bit(BNX2X_Q_FLG_TX_SWITCH, &setup_p->flags);
211 __set_bit(BNX2X_Q_FLG_TX_SEC, &setup_p->flags);
212 __set_bit(BNX2X_Q_FLG_ANTI_SPOOF, &setup_p->flags);
214 /* Setup-op rx parameters */
215 if (test_bit(BNX2X_Q_TYPE_HAS_RX, &q_type)) {
216 struct bnx2x_rxq_setup_params *rxq_p = &setup_p->rxq_params;
218 rxq_p->cl_qzone_id = vfq_qzone_id(vf, q);
219 rxq_p->fw_sb_id = vf_igu_sb(vf, q->sb_idx);
220 rxq_p->rss_engine_id = FW_VF_HANDLE(vf->abs_vfid);
222 if (test_bit(BNX2X_Q_FLG_TPA, &setup_p->flags))
223 rxq_p->max_tpa_queues = BNX2X_VF_MAX_TPA_AGG_QUEUES;
226 /* Setup-op tx parameters */
227 if (test_bit(BNX2X_Q_TYPE_HAS_TX, &q_type)) {
228 setup_p->txq_params.tss_leading_cl_id = vf->leading_rss;
229 setup_p->txq_params.fw_sb_id = vf_igu_sb(vf, q->sb_idx);
233 static int bnx2x_vf_queue_create(struct bnx2x *bp,
234 struct bnx2x_virtf *vf, int qid,
235 struct bnx2x_vf_queue_construct_params *qctor)
237 struct bnx2x_queue_state_params *q_params;
240 DP(BNX2X_MSG_IOV, "vf[%d:%d]\n", vf->abs_vfid, qid);
242 /* Prepare ramrod information */
243 q_params = &qctor->qstate;
244 q_params->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
245 set_bit(RAMROD_COMP_WAIT, &q_params->ramrod_flags);
247 if (bnx2x_get_q_logical_state(bp, q_params->q_obj) ==
248 BNX2X_Q_LOGICAL_STATE_ACTIVE) {
249 DP(BNX2X_MSG_IOV, "queue was already up. Aborting gracefully\n");
253 /* Run Queue 'construction' ramrods */
254 q_params->cmd = BNX2X_Q_CMD_INIT;
255 rc = bnx2x_queue_state_change(bp, q_params);
259 memcpy(&q_params->params.setup, &qctor->prep_qsetup,
260 sizeof(struct bnx2x_queue_setup_params));
261 q_params->cmd = BNX2X_Q_CMD_SETUP;
262 rc = bnx2x_queue_state_change(bp, q_params);
266 /* enable interrupts */
267 bnx2x_vf_igu_ack_sb(bp, vf, vf_igu_sb(vf, bnx2x_vfq(vf, qid, sb_idx)),
268 USTORM_ID, 0, IGU_INT_ENABLE, 0);
273 static int bnx2x_vf_queue_destroy(struct bnx2x *bp, struct bnx2x_virtf *vf,
276 enum bnx2x_queue_cmd cmds[] = {BNX2X_Q_CMD_HALT,
277 BNX2X_Q_CMD_TERMINATE,
278 BNX2X_Q_CMD_CFC_DEL};
279 struct bnx2x_queue_state_params q_params;
282 DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid);
284 /* Prepare ramrod information */
285 memset(&q_params, 0, sizeof(struct bnx2x_queue_state_params));
286 q_params.q_obj = &bnx2x_vfq(vf, qid, sp_obj);
287 set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
289 if (bnx2x_get_q_logical_state(bp, q_params.q_obj) ==
290 BNX2X_Q_LOGICAL_STATE_STOPPED) {
291 DP(BNX2X_MSG_IOV, "queue was already stopped. Aborting gracefully\n");
295 /* Run Queue 'destruction' ramrods */
296 for (i = 0; i < ARRAY_SIZE(cmds); i++) {
297 q_params.cmd = cmds[i];
298 rc = bnx2x_queue_state_change(bp, &q_params);
300 BNX2X_ERR("Failed to run Queue command %d\n", cmds[i]);
306 if (bnx2x_vfq(vf, qid, cxt)) {
307 bnx2x_vfq(vf, qid, cxt)->ustorm_ag_context.cdu_usage = 0;
308 bnx2x_vfq(vf, qid, cxt)->xstorm_ag_context.cdu_reserved = 0;
315 bnx2x_vf_set_igu_info(struct bnx2x *bp, u8 igu_sb_id, u8 abs_vfid)
317 struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
319 /* the first igu entry belonging to VFs of this PF */
320 if (!BP_VFDB(bp)->first_vf_igu_entry)
321 BP_VFDB(bp)->first_vf_igu_entry = igu_sb_id;
323 /* the first igu entry belonging to this VF */
324 if (!vf_sb_count(vf))
325 vf->igu_base_id = igu_sb_id;
330 BP_VFDB(bp)->vf_sbs_pool++;
333 static inline void bnx2x_vf_vlan_credit(struct bnx2x *bp,
334 struct bnx2x_vlan_mac_obj *obj,
337 struct list_head *pos;
341 read_lock = bnx2x_vlan_mac_h_read_lock(bp, obj);
343 DP(BNX2X_MSG_SP, "Failed to take vlan mac read head; continuing anyway\n");
345 list_for_each(pos, &obj->head)
349 bnx2x_vlan_mac_h_read_unlock(bp, obj);
351 atomic_set(counter, cnt);
354 static int bnx2x_vf_vlan_mac_clear(struct bnx2x *bp, struct bnx2x_virtf *vf,
355 int qid, bool drv_only, int type)
357 struct bnx2x_vlan_mac_ramrod_params ramrod;
360 DP(BNX2X_MSG_IOV, "vf[%d] - deleting all %s\n", vf->abs_vfid,
361 (type == BNX2X_VF_FILTER_VLAN_MAC) ? "VLAN-MACs" :
362 (type == BNX2X_VF_FILTER_MAC) ? "MACs" : "VLANs");
364 /* Prepare ramrod params */
365 memset(&ramrod, 0, sizeof(struct bnx2x_vlan_mac_ramrod_params));
366 if (type == BNX2X_VF_FILTER_VLAN_MAC) {
367 set_bit(BNX2X_ETH_MAC, &ramrod.user_req.vlan_mac_flags);
368 ramrod.vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_mac_obj);
369 } else if (type == BNX2X_VF_FILTER_MAC) {
370 set_bit(BNX2X_ETH_MAC, &ramrod.user_req.vlan_mac_flags);
371 ramrod.vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
373 ramrod.vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
375 ramrod.user_req.cmd = BNX2X_VLAN_MAC_DEL;
377 set_bit(RAMROD_EXEC, &ramrod.ramrod_flags);
379 set_bit(RAMROD_DRV_CLR_ONLY, &ramrod.ramrod_flags);
381 set_bit(RAMROD_COMP_WAIT, &ramrod.ramrod_flags);
384 rc = ramrod.vlan_mac_obj->delete_all(bp,
386 &ramrod.user_req.vlan_mac_flags,
387 &ramrod.ramrod_flags);
389 BNX2X_ERR("Failed to delete all %s\n",
390 (type == BNX2X_VF_FILTER_VLAN_MAC) ? "VLAN-MACs" :
391 (type == BNX2X_VF_FILTER_MAC) ? "MACs" : "VLANs");
398 static int bnx2x_vf_mac_vlan_config(struct bnx2x *bp,
399 struct bnx2x_virtf *vf, int qid,
400 struct bnx2x_vf_mac_vlan_filter *filter,
403 struct bnx2x_vlan_mac_ramrod_params ramrod;
406 DP(BNX2X_MSG_IOV, "vf[%d] - %s a %s filter\n",
407 vf->abs_vfid, filter->add ? "Adding" : "Deleting",
408 (filter->type == BNX2X_VF_FILTER_VLAN_MAC) ? "VLAN-MAC" :
409 (filter->type == BNX2X_VF_FILTER_MAC) ? "MAC" : "VLAN");
411 /* Prepare ramrod params */
412 memset(&ramrod, 0, sizeof(struct bnx2x_vlan_mac_ramrod_params));
413 if (filter->type == BNX2X_VF_FILTER_VLAN_MAC) {
414 ramrod.vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_mac_obj);
415 ramrod.user_req.u.vlan.vlan = filter->vid;
416 memcpy(&ramrod.user_req.u.mac.mac, filter->mac, ETH_ALEN);
417 set_bit(BNX2X_ETH_MAC, &ramrod.user_req.vlan_mac_flags);
418 } else if (filter->type == BNX2X_VF_FILTER_VLAN) {
419 ramrod.vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
420 ramrod.user_req.u.vlan.vlan = filter->vid;
422 set_bit(BNX2X_ETH_MAC, &ramrod.user_req.vlan_mac_flags);
423 ramrod.vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
424 memcpy(&ramrod.user_req.u.mac.mac, filter->mac, ETH_ALEN);
426 ramrod.user_req.cmd = filter->add ? BNX2X_VLAN_MAC_ADD :
429 set_bit(RAMROD_EXEC, &ramrod.ramrod_flags);
431 set_bit(RAMROD_DRV_CLR_ONLY, &ramrod.ramrod_flags);
433 set_bit(RAMROD_COMP_WAIT, &ramrod.ramrod_flags);
435 /* Add/Remove the filter */
436 rc = bnx2x_config_vlan_mac(bp, &ramrod);
440 BNX2X_ERR("Failed to %s %s\n",
441 filter->add ? "add" : "delete",
442 (filter->type == BNX2X_VF_FILTER_VLAN_MAC) ?
444 (filter->type == BNX2X_VF_FILTER_MAC) ?
449 filter->applied = true;
454 int bnx2x_vf_mac_vlan_config_list(struct bnx2x *bp, struct bnx2x_virtf *vf,
455 struct bnx2x_vf_mac_vlan_filters *filters,
456 int qid, bool drv_only)
460 DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid);
462 if (!bnx2x_validate_vf_sp_objs(bp, vf, true))
465 /* Prepare ramrod params */
466 for (i = 0; i < filters->count; i++) {
467 rc = bnx2x_vf_mac_vlan_config(bp, vf, qid,
468 &filters->filters[i], drv_only);
473 /* Rollback if needed */
474 if (i != filters->count) {
475 BNX2X_ERR("Managed only %d/%d filters - rolling back\n",
478 if (!filters->filters[i].applied)
480 filters->filters[i].add = !filters->filters[i].add;
481 bnx2x_vf_mac_vlan_config(bp, vf, qid,
482 &filters->filters[i],
487 /* It's our responsibility to free the filters */
493 int bnx2x_vf_queue_setup(struct bnx2x *bp, struct bnx2x_virtf *vf, int qid,
494 struct bnx2x_vf_queue_construct_params *qctor)
498 DP(BNX2X_MSG_IOV, "vf[%d:%d]\n", vf->abs_vfid, qid);
500 rc = bnx2x_vf_queue_create(bp, vf, qid, qctor);
504 /* Schedule the configuration of any pending vlan filters */
505 bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_HYPERVISOR_VLAN,
509 BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf->abs_vfid, qid, rc);
513 static int bnx2x_vf_queue_flr(struct bnx2x *bp, struct bnx2x_virtf *vf,
518 DP(BNX2X_MSG_IOV, "vf[%d:%d]\n", vf->abs_vfid, qid);
520 /* If needed, clean the filtering data base */
521 if ((qid == LEADING_IDX) &&
522 bnx2x_validate_vf_sp_objs(bp, vf, false)) {
523 rc = bnx2x_vf_vlan_mac_clear(bp, vf, qid, true,
524 BNX2X_VF_FILTER_VLAN_MAC);
527 rc = bnx2x_vf_vlan_mac_clear(bp, vf, qid, true,
528 BNX2X_VF_FILTER_VLAN);
531 rc = bnx2x_vf_vlan_mac_clear(bp, vf, qid, true,
532 BNX2X_VF_FILTER_MAC);
537 /* Terminate queue */
538 if (bnx2x_vfq(vf, qid, sp_obj).state != BNX2X_Q_STATE_RESET) {
539 struct bnx2x_queue_state_params qstate;
541 memset(&qstate, 0, sizeof(struct bnx2x_queue_state_params));
542 qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj);
543 qstate.q_obj->state = BNX2X_Q_STATE_STOPPED;
544 qstate.cmd = BNX2X_Q_CMD_TERMINATE;
545 set_bit(RAMROD_COMP_WAIT, &qstate.ramrod_flags);
546 rc = bnx2x_queue_state_change(bp, &qstate);
553 BNX2X_ERR("vf[%d:%d] error: rc %d\n", vf->abs_vfid, qid, rc);
557 int bnx2x_vf_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf,
558 bnx2x_mac_addr_t *mcasts, int mc_num, bool drv_only)
560 struct bnx2x_mcast_list_elem *mc = NULL;
561 struct bnx2x_mcast_ramrod_params mcast;
564 DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid);
566 /* Prepare Multicast command */
567 memset(&mcast, 0, sizeof(struct bnx2x_mcast_ramrod_params));
568 mcast.mcast_obj = &vf->mcast_obj;
570 set_bit(RAMROD_DRV_CLR_ONLY, &mcast.ramrod_flags);
572 set_bit(RAMROD_COMP_WAIT, &mcast.ramrod_flags);
574 mc = kcalloc(mc_num, sizeof(struct bnx2x_mcast_list_elem),
577 BNX2X_ERR("Cannot Configure multicasts due to lack of memory\n");
583 INIT_LIST_HEAD(&mcast.mcast_list);
584 for (i = 0; i < mc_num; i++) {
585 mc[i].mac = mcasts[i];
586 list_add_tail(&mc[i].link,
591 mcast.mcast_list_len = mc_num;
592 rc = bnx2x_config_mcast(bp, &mcast, BNX2X_MCAST_CMD_SET);
594 BNX2X_ERR("Failed to set multicasts\n");
596 /* clear existing mcasts */
597 rc = bnx2x_config_mcast(bp, &mcast, BNX2X_MCAST_CMD_DEL);
599 BNX2X_ERR("Failed to remove multicasts\n");
607 static void bnx2x_vf_prep_rx_mode(struct bnx2x *bp, u8 qid,
608 struct bnx2x_rx_mode_ramrod_params *ramrod,
609 struct bnx2x_virtf *vf,
610 unsigned long accept_flags)
612 struct bnx2x_vf_queue *vfq = vfq_get(vf, qid);
614 memset(ramrod, 0, sizeof(*ramrod));
615 ramrod->cid = vfq->cid;
616 ramrod->cl_id = vfq_cl_id(vf, vfq);
617 ramrod->rx_mode_obj = &bp->rx_mode_obj;
618 ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid);
619 ramrod->rx_accept_flags = accept_flags;
620 ramrod->tx_accept_flags = accept_flags;
621 ramrod->pstate = &vf->filter_state;
622 ramrod->state = BNX2X_FILTER_RX_MODE_PENDING;
624 set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
625 set_bit(RAMROD_RX, &ramrod->ramrod_flags);
626 set_bit(RAMROD_TX, &ramrod->ramrod_flags);
628 ramrod->rdata = bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2);
629 ramrod->rdata_mapping = bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2);
632 int bnx2x_vf_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf,
633 int qid, unsigned long accept_flags)
635 struct bnx2x_rx_mode_ramrod_params ramrod;
637 DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid);
639 bnx2x_vf_prep_rx_mode(bp, qid, &ramrod, vf, accept_flags);
640 set_bit(RAMROD_COMP_WAIT, &ramrod.ramrod_flags);
641 vfq_get(vf, qid)->accept_flags = ramrod.rx_accept_flags;
642 return bnx2x_config_rx_mode(bp, &ramrod);
645 int bnx2x_vf_queue_teardown(struct bnx2x *bp, struct bnx2x_virtf *vf, int qid)
649 DP(BNX2X_MSG_IOV, "vf[%d:%d]\n", vf->abs_vfid, qid);
651 /* Remove all classification configuration for leading queue */
652 if (qid == LEADING_IDX) {
653 rc = bnx2x_vf_rxmode(bp, vf, qid, 0);
657 /* Remove filtering if feasible */
658 if (bnx2x_validate_vf_sp_objs(bp, vf, true)) {
659 rc = bnx2x_vf_vlan_mac_clear(bp, vf, qid,
661 BNX2X_VF_FILTER_VLAN_MAC);
664 rc = bnx2x_vf_vlan_mac_clear(bp, vf, qid,
666 BNX2X_VF_FILTER_VLAN);
669 rc = bnx2x_vf_vlan_mac_clear(bp, vf, qid,
671 BNX2X_VF_FILTER_MAC);
674 rc = bnx2x_vf_mcast(bp, vf, NULL, 0, false);
681 rc = bnx2x_vf_queue_destroy(bp, vf, qid);
686 BNX2X_ERR("vf[%d:%d] error: rc %d\n",
687 vf->abs_vfid, qid, rc);
691 /* VF enable primitives
692 * when pretend is required the caller is responsible
693 * for calling pretend prior to calling these routines
696 /* internal vf enable - until vf is enabled internally all transactions
697 * are blocked. This routine should always be called last with pretend.
699 static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable)
701 REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0);
704 /* clears vf error in all semi blocks */
705 static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid)
707 REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid);
708 REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid);
709 REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid);
710 REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid);
713 static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid)
715 u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5;
718 switch (was_err_group) {
720 was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR;
723 was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR;
726 was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR;
729 was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR;
732 REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f));
735 static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf)
740 /* Set VF masks and configuration - pretend */
741 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
743 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
744 REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
745 REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
746 REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
747 REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
748 REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
750 val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
751 val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN);
752 val &= ~IGU_VF_CONF_PARENT_MASK;
753 val |= (BP_ABS_FUNC(bp) >> 1) << IGU_VF_CONF_PARENT_SHIFT;
754 REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
757 "value in IGU_REG_VF_CONFIGURATION of vf %d after write is 0x%08x\n",
760 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
762 /* iterate over all queues, clear sb consumer */
763 for (i = 0; i < vf_sb_count(vf); i++) {
764 u8 igu_sb_id = vf_igu_sb(vf, i);
766 /* zero prod memory */
767 REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0);
769 /* clear sb state machine */
770 bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id,
773 /* disable + update */
774 bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0,
779 void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid)
781 /* set the VF-PF association in the FW */
782 storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp));
783 storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1);
786 bnx2x_vf_semi_clear_err(bp, abs_vfid);
787 bnx2x_vf_pglue_clear_err(bp, abs_vfid);
789 /* internal vf-enable - pretend */
790 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid));
791 DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid);
792 bnx2x_vf_enable_internal(bp, true);
793 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
796 static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf)
798 /* Reset vf in IGU interrupts are still disabled */
799 bnx2x_vf_igu_reset(bp, vf);
801 /* pretend to enable the vf with the PBF */
802 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
803 REG_WR(bp, PBF_REG_DISABLE_VF, 0);
804 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
807 static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid)
810 struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
815 dev = pci_get_domain_bus_and_slot(vf->domain, vf->bus, vf->devfn);
817 return bnx2x_is_pcie_pending(dev);
821 int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid)
823 /* Verify no pending pci transactions */
824 if (bnx2x_vf_is_pcie_pending(bp, abs_vfid))
825 BNX2X_ERR("PCIE Transactions still pending\n");
830 /* must be called after the number of PF queues and the number of VFs are
834 bnx2x_iov_static_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
836 struct vf_pf_resc_request *resc = &vf->alloc_resc;
838 /* will be set only during VF-ACQUIRE */
842 resc->num_mac_filters = VF_MAC_CREDIT_CNT;
843 resc->num_vlan_filters = VF_VLAN_CREDIT_CNT;
845 /* no real limitation */
846 resc->num_mc_filters = 0;
848 /* num_sbs already set */
849 resc->num_sbs = vf->sb_count;
853 static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
855 /* reset the state variables */
856 bnx2x_iov_static_resc(bp, vf);
860 static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf)
862 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
864 /* DQ usage counter */
865 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
866 bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT,
867 "DQ VF usage counter timed out",
869 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
871 /* FW cleanup command - poll for the results */
872 if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid),
874 BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid);
876 /* verify TX hw is flushed */
877 bnx2x_tx_hw_flushed(bp, poll_cnt);
880 static void bnx2x_vf_flr(struct bnx2x *bp, struct bnx2x_virtf *vf)
884 DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid);
886 /* the cleanup operations are valid if and only if the VF
887 * was first acquired.
889 for (i = 0; i < vf_rxq_count(vf); i++) {
890 rc = bnx2x_vf_queue_flr(bp, vf, i);
895 /* remove multicasts */
896 bnx2x_vf_mcast(bp, vf, NULL, 0, true);
898 /* dispatch final cleanup and wait for HW queues to flush */
899 bnx2x_vf_flr_clnup_hw(bp, vf);
901 /* release VF resources */
902 bnx2x_vf_free_resc(bp, vf);
904 vf->malicious = false;
906 /* re-open the mailbox */
907 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
910 BNX2X_ERR("vf[%d:%d] failed flr: rc %d\n",
911 vf->abs_vfid, i, rc);
914 static void bnx2x_vf_flr_clnup(struct bnx2x *bp)
916 struct bnx2x_virtf *vf;
919 for (i = 0; i < BNX2X_NR_VIRTFN(bp); i++) {
920 /* VF should be RESET & in FLR cleanup states */
921 if (bnx2x_vf(bp, i, state) != VF_RESET ||
922 !bnx2x_vf(bp, i, flr_clnup_stage))
925 DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. Num of vfs: %d\n",
926 i, BNX2X_NR_VIRTFN(bp));
930 /* lock the vf pf channel */
931 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
933 /* invoke the VF FLR SM */
934 bnx2x_vf_flr(bp, vf);
936 /* mark the VF to be ACKED and continue */
937 vf->flr_clnup_stage = false;
938 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
941 /* Acknowledge the handled VFs.
942 * we are acknowledge all the vfs which an flr was requested for, even
943 * if amongst them there are such that we never opened, since the mcp
944 * will interrupt us immediately again if we only ack some of the bits,
945 * resulting in an endless loop. This can happen for example in KVM
946 * where an 'all ones' flr request is sometimes given by hyper visor
948 DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n",
949 bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
950 for (i = 0; i < FLRD_VFS_DWORDS; i++)
951 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i],
952 bp->vfdb->flrd_vfs[i]);
954 bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0);
956 /* clear the acked bits - better yet if the MCP implemented
957 * write to clear semantics
959 for (i = 0; i < FLRD_VFS_DWORDS; i++)
960 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0);
963 void bnx2x_vf_handle_flr_event(struct bnx2x *bp)
968 for (i = 0; i < FLRD_VFS_DWORDS; i++)
969 bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]);
972 "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n",
973 bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
976 struct bnx2x_virtf *vf = BP_VF(bp, i);
979 if (vf->abs_vfid < 32)
980 reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid);
982 reset = bp->vfdb->flrd_vfs[1] &
983 (1 << (vf->abs_vfid - 32));
986 /* set as reset and ready for cleanup */
987 vf->state = VF_RESET;
988 vf->flr_clnup_stage = true;
991 "Initiating Final cleanup for VF %d\n",
996 /* do the FLR cleanup for all marked VFs*/
997 bnx2x_vf_flr_clnup(bp);
1000 /* IOV global initialization routines */
1001 void bnx2x_iov_init_dq(struct bnx2x *bp)
1006 /* Set the DQ such that the CID reflect the abs_vfid */
1007 REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0);
1008 REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS));
1010 /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to
1013 REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID);
1015 /* The VF window size is the log2 of the max number of CIDs per VF */
1016 REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND);
1018 /* The VF doorbell size 0 - *B, 4 - 128B. We set it here to match
1019 * the Pf doorbell size although the 2 are independent.
1021 REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST, 3);
1023 /* No security checks for now -
1024 * configure single rule (out of 16) mask = 0x1, value = 0x0,
1025 * CID range 0 - 0x1ffff
1027 REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1);
1028 REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0);
1029 REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0);
1030 REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff);
1032 /* set the VF doorbell threshold. This threshold represents the amount
1033 * of doorbells allowed in the main DORQ fifo for a specific VF.
1035 REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 64);
1038 void bnx2x_iov_init_dmae(struct bnx2x *bp)
1040 if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV))
1041 REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
1044 static int bnx2x_vf_domain(struct bnx2x *bp, int vfid)
1046 struct pci_dev *dev = bp->pdev;
1048 return pci_domain_nr(dev->bus);
1051 static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
1053 struct pci_dev *dev = bp->pdev;
1054 struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1056 return dev->bus->number + ((dev->devfn + iov->offset +
1057 iov->stride * vfid) >> 8);
1060 static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid)
1062 struct pci_dev *dev = bp->pdev;
1063 struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1065 return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff;
1068 static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf)
1071 struct pci_dev *dev = bp->pdev;
1072 struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1074 for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) {
1075 u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i);
1076 u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i);
1079 vf->bars[n].bar = start + size * vf->abs_vfid;
1080 vf->bars[n].size = size;
1085 bnx2x_get_vf_igu_cam_info(struct bnx2x *bp)
1089 u8 fid, current_pf = 0;
1091 /* IGU in normal mode - read CAM */
1092 for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) {
1093 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4);
1094 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
1096 fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID);
1097 if (fid & IGU_FID_ENCODE_IS_PF)
1098 current_pf = fid & IGU_FID_PF_NUM_MASK;
1099 else if (current_pf == BP_FUNC(bp))
1100 bnx2x_vf_set_igu_info(bp, sb_id,
1101 (fid & IGU_FID_VF_NUM_MASK));
1102 DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n",
1103 ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"),
1104 ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) :
1105 (fid & IGU_FID_VF_NUM_MASK)), sb_id,
1106 GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR));
1108 DP(BNX2X_MSG_IOV, "vf_sbs_pool is %d\n", BP_VFDB(bp)->vf_sbs_pool);
1109 return BP_VFDB(bp)->vf_sbs_pool;
1112 static void __bnx2x_iov_free_vfdb(struct bnx2x *bp)
1115 kfree(bp->vfdb->vfqs);
1116 kfree(bp->vfdb->vfs);
1122 static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1125 struct pci_dev *dev = bp->pdev;
1127 pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
1129 BNX2X_ERR("failed to find SRIOV capability in device\n");
1134 DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos);
1135 pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
1136 pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total);
1137 pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial);
1138 pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
1139 pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
1140 pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
1141 pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap);
1142 pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
1147 static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1151 /* read the SRIOV capability structure
1152 * The fields can be read via configuration read or
1153 * directly from the device (starting at offset PCICFG_OFFSET)
1155 if (bnx2x_sriov_pci_cfg_info(bp, iov))
1158 /* get the number of SRIOV bars */
1161 /* read the first_vfid */
1162 val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF);
1163 iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK)
1164 * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp));
1167 "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",
1169 iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total,
1170 iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
1175 /* must be called after PF bars are mapped */
1176 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
1180 struct bnx2x_sriov *iov;
1181 struct pci_dev *dev = bp->pdev;
1189 /* verify sriov capability is present in configuration space */
1190 if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV))
1193 /* verify chip revision */
1194 if (CHIP_IS_E1x(bp))
1197 /* check if SRIOV support is turned off */
1201 /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */
1202 if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) {
1203 BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n",
1204 BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID);
1208 /* SRIOV can be enabled only with MSIX */
1209 if (int_mode_param == BNX2X_INT_MODE_MSI ||
1210 int_mode_param == BNX2X_INT_MODE_INTX) {
1211 BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n");
1216 /* verify ari is enabled */
1217 if (!pci_ari_enabled(bp->pdev->bus)) {
1218 BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n");
1222 /* verify igu is in normal mode */
1223 if (CHIP_INT_MODE_IS_BC(bp)) {
1224 BNX2X_ERR("IGU not normal mode, SRIOV can not be enabled\n");
1228 /* allocate the vfs database */
1229 bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL);
1231 BNX2X_ERR("failed to allocate vf database\n");
1236 /* get the sriov info - Linux already collected all the pertinent
1237 * information, however the sriov structure is for the private use
1238 * of the pci module. Also we want this information regardless
1239 * of the hyper-visor.
1241 iov = &(bp->vfdb->sriov);
1242 err = bnx2x_sriov_info(bp, iov);
1246 /* SR-IOV capability was enabled but there are no VFs*/
1247 if (iov->total == 0) {
1252 iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param);
1254 DP(BNX2X_MSG_IOV, "num_vfs_param was %d, nr_virtfn was %d\n",
1255 num_vfs_param, iov->nr_virtfn);
1257 /* allocate the vf array */
1258 bp->vfdb->vfs = kcalloc(BNX2X_NR_VIRTFN(bp),
1259 sizeof(struct bnx2x_virtf),
1261 if (!bp->vfdb->vfs) {
1262 BNX2X_ERR("failed to allocate vf array\n");
1267 /* Initial VF init - index and abs_vfid - nr_virtfn must be set */
1268 for_each_vf(bp, i) {
1269 bnx2x_vf(bp, i, index) = i;
1270 bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i;
1271 bnx2x_vf(bp, i, state) = VF_FREE;
1272 mutex_init(&bnx2x_vf(bp, i, op_mutex));
1273 bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE;
1276 /* re-read the IGU CAM for VFs - index and abs_vfid must be set */
1277 if (!bnx2x_get_vf_igu_cam_info(bp)) {
1278 BNX2X_ERR("No entries in IGU CAM for vfs\n");
1283 /* allocate the queue arrays for all VFs */
1284 bp->vfdb->vfqs = kcalloc(BNX2X_MAX_NUM_VF_QUEUES,
1285 sizeof(struct bnx2x_vf_queue),
1288 if (!bp->vfdb->vfqs) {
1289 BNX2X_ERR("failed to allocate vf queue array\n");
1294 /* Prepare the VFs event synchronization mechanism */
1295 mutex_init(&bp->vfdb->event_mutex);
1297 mutex_init(&bp->vfdb->bulletin_mutex);
1299 if (SHMEM2_HAS(bp, sriov_switch_mode))
1300 SHMEM2_WR(bp, sriov_switch_mode, SRIOV_SWITCH_MODE_VEB);
1304 DP(BNX2X_MSG_IOV, "Failed err=%d\n", err);
1305 __bnx2x_iov_free_vfdb(bp);
1309 void bnx2x_iov_remove_one(struct bnx2x *bp)
1313 /* if SRIOV is not enabled there's nothing to do */
1317 bnx2x_disable_sriov(bp);
1319 /* disable access to all VFs */
1320 for (vf_idx = 0; vf_idx < bp->vfdb->sriov.total; vf_idx++) {
1321 bnx2x_pretend_func(bp,
1323 bp->vfdb->sriov.first_vf_in_pf +
1325 DP(BNX2X_MSG_IOV, "disabling internal access for vf %d\n",
1326 bp->vfdb->sriov.first_vf_in_pf + vf_idx);
1327 bnx2x_vf_enable_internal(bp, 0);
1328 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1331 /* free vf database */
1332 __bnx2x_iov_free_vfdb(bp);
1335 void bnx2x_iov_free_mem(struct bnx2x *bp)
1342 /* free vfs hw contexts */
1343 for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
1344 struct hw_dma *cxt = &bp->vfdb->context[i];
1345 BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size);
1348 BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr,
1349 BP_VFDB(bp)->sp_dma.mapping,
1350 BP_VFDB(bp)->sp_dma.size);
1352 BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr,
1353 BP_VF_MBX_DMA(bp)->mapping,
1354 BP_VF_MBX_DMA(bp)->size);
1356 BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr,
1357 BP_VF_BULLETIN_DMA(bp)->mapping,
1358 BP_VF_BULLETIN_DMA(bp)->size);
1361 int bnx2x_iov_alloc_mem(struct bnx2x *bp)
1369 /* allocate vfs hw contexts */
1370 tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) *
1371 BNX2X_CIDS_PER_VF * sizeof(union cdu_context);
1373 for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
1374 struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i);
1375 cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ);
1378 cxt->addr = BNX2X_PCI_ALLOC(&cxt->mapping, cxt->size);
1385 tot_size -= cxt->size;
1388 /* allocate vfs ramrods dma memory - client_init and set_mac */
1389 tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp);
1390 BP_VFDB(bp)->sp_dma.addr = BNX2X_PCI_ALLOC(&BP_VFDB(bp)->sp_dma.mapping,
1392 if (!BP_VFDB(bp)->sp_dma.addr)
1394 BP_VFDB(bp)->sp_dma.size = tot_size;
1396 /* allocate mailboxes */
1397 tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE;
1398 BP_VF_MBX_DMA(bp)->addr = BNX2X_PCI_ALLOC(&BP_VF_MBX_DMA(bp)->mapping,
1400 if (!BP_VF_MBX_DMA(bp)->addr)
1403 BP_VF_MBX_DMA(bp)->size = tot_size;
1405 /* allocate local bulletin boards */
1406 tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE;
1407 BP_VF_BULLETIN_DMA(bp)->addr = BNX2X_PCI_ALLOC(&BP_VF_BULLETIN_DMA(bp)->mapping,
1409 if (!BP_VF_BULLETIN_DMA(bp)->addr)
1412 BP_VF_BULLETIN_DMA(bp)->size = tot_size;
1420 static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
1421 struct bnx2x_vf_queue *q)
1423 u8 cl_id = vfq_cl_id(vf, q);
1424 u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
1425 unsigned long q_type = 0;
1427 set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
1428 set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
1430 /* Queue State object */
1431 bnx2x_init_queue_obj(bp, &q->sp_obj,
1432 cl_id, &q->cid, 1, func_id,
1433 bnx2x_vf_sp(bp, vf, q_data),
1434 bnx2x_vf_sp_map(bp, vf, q_data),
1437 /* sp indication is set only when vlan/mac/etc. are initialized */
1438 q->sp_initialized = false;
1441 "initialized vf %d's queue object. func id set to %d. cid set to 0x%x\n",
1442 vf->abs_vfid, q->sp_obj.func_id, q->cid);
1445 static int bnx2x_max_speed_cap(struct bnx2x *bp)
1447 u32 supported = bp->port.supported[bnx2x_get_link_cfg_idx(bp)];
1450 (SUPPORTED_20000baseMLD2_Full | SUPPORTED_20000baseKR2_Full))
1453 return 10000; /* assume lowest supported speed is 10G */
1456 int bnx2x_iov_link_update_vf(struct bnx2x *bp, int idx)
1458 struct bnx2x_link_report_data *state = &bp->last_reported_link;
1459 struct pf_vf_bulletin_content *bulletin;
1460 struct bnx2x_virtf *vf;
1464 /* sanity and init */
1465 rc = bnx2x_vf_op_prep(bp, idx, &vf, &bulletin, false);
1469 mutex_lock(&bp->vfdb->bulletin_mutex);
1471 if (vf->link_cfg == IFLA_VF_LINK_STATE_AUTO) {
1472 bulletin->valid_bitmap |= 1 << LINK_VALID;
1474 bulletin->link_speed = state->line_speed;
1475 bulletin->link_flags = 0;
1476 if (test_bit(BNX2X_LINK_REPORT_LINK_DOWN,
1477 &state->link_report_flags))
1478 bulletin->link_flags |= VFPF_LINK_REPORT_LINK_DOWN;
1479 if (test_bit(BNX2X_LINK_REPORT_FD,
1480 &state->link_report_flags))
1481 bulletin->link_flags |= VFPF_LINK_REPORT_FULL_DUPLEX;
1482 if (test_bit(BNX2X_LINK_REPORT_RX_FC_ON,
1483 &state->link_report_flags))
1484 bulletin->link_flags |= VFPF_LINK_REPORT_RX_FC_ON;
1485 if (test_bit(BNX2X_LINK_REPORT_TX_FC_ON,
1486 &state->link_report_flags))
1487 bulletin->link_flags |= VFPF_LINK_REPORT_TX_FC_ON;
1488 } else if (vf->link_cfg == IFLA_VF_LINK_STATE_DISABLE &&
1489 !(bulletin->link_flags & VFPF_LINK_REPORT_LINK_DOWN)) {
1490 bulletin->valid_bitmap |= 1 << LINK_VALID;
1491 bulletin->link_flags |= VFPF_LINK_REPORT_LINK_DOWN;
1492 } else if (vf->link_cfg == IFLA_VF_LINK_STATE_ENABLE &&
1493 (bulletin->link_flags & VFPF_LINK_REPORT_LINK_DOWN)) {
1494 bulletin->valid_bitmap |= 1 << LINK_VALID;
1495 bulletin->link_speed = bnx2x_max_speed_cap(bp);
1496 bulletin->link_flags &= ~VFPF_LINK_REPORT_LINK_DOWN;
1502 DP(NETIF_MSG_LINK | BNX2X_MSG_IOV,
1503 "vf %d mode %u speed %d flags %x\n", idx,
1504 vf->link_cfg, bulletin->link_speed, bulletin->link_flags);
1506 /* Post update on VF's bulletin board */
1507 rc = bnx2x_post_vf_bulletin(bp, idx);
1509 BNX2X_ERR("failed to update VF[%d] bulletin\n", idx);
1515 mutex_unlock(&bp->vfdb->bulletin_mutex);
1519 int bnx2x_set_vf_link_state(struct net_device *dev, int idx, int link_state)
1521 struct bnx2x *bp = netdev_priv(dev);
1522 struct bnx2x_virtf *vf = BP_VF(bp, idx);
1527 if (vf->link_cfg == link_state)
1528 return 0; /* nothing todo */
1530 vf->link_cfg = link_state;
1532 return bnx2x_iov_link_update_vf(bp, idx);
1535 void bnx2x_iov_link_update(struct bnx2x *bp)
1542 for_each_vf(bp, vfid)
1543 bnx2x_iov_link_update_vf(bp, vfid);
1546 /* called by bnx2x_nic_load */
1547 int bnx2x_iov_nic_init(struct bnx2x *bp)
1551 if (!IS_SRIOV(bp)) {
1552 DP(BNX2X_MSG_IOV, "vfdb was not allocated\n");
1556 DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn);
1558 /* let FLR complete ... */
1561 /* initialize vf database */
1562 for_each_vf(bp, vfid) {
1563 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
1565 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) *
1568 union cdu_context *base_cxt = (union cdu_context *)
1569 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
1570 (base_vf_cid & (ILT_PAGE_CIDS-1));
1573 "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n",
1574 vf->abs_vfid, vf_sb_count(vf), base_vf_cid,
1575 BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt);
1577 /* init statically provisioned resources */
1578 bnx2x_iov_static_resc(bp, vf);
1580 /* queues are initialized during VF-ACQUIRE */
1581 vf->filter_state = 0;
1582 vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id);
1584 bnx2x_init_credit_pool(&vf->vf_vlans_pool, 0,
1585 vf_vlan_rules_cnt(vf));
1586 bnx2x_init_credit_pool(&vf->vf_macs_pool, 0,
1587 vf_mac_rules_cnt(vf));
1589 /* init mcast object - This object will be re-initialized
1590 * during VF-ACQUIRE with the proper cl_id and cid.
1591 * It needs to be initialized here so that it can be safely
1592 * handled by a subsequent FLR flow.
1594 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF,
1596 bnx2x_vf_sp(bp, vf, mcast_rdata),
1597 bnx2x_vf_sp_map(bp, vf, mcast_rdata),
1598 BNX2X_FILTER_MCAST_PENDING,
1600 BNX2X_OBJ_TYPE_RX_TX);
1602 /* set the mailbox message addresses */
1603 BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *)
1604 (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid *
1605 MBX_MSG_ALIGNED_SIZE);
1607 BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping +
1608 vfid * MBX_MSG_ALIGNED_SIZE;
1610 /* Enable vf mailbox */
1611 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
1615 for_each_vf(bp, vfid) {
1616 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
1618 /* fill in the BDF and bars */
1619 vf->domain = bnx2x_vf_domain(bp, vfid);
1620 vf->bus = bnx2x_vf_bus(bp, vfid);
1621 vf->devfn = bnx2x_vf_devfn(bp, vfid);
1622 bnx2x_vf_set_bars(bp, vf);
1625 "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n",
1626 vf->abs_vfid, vf->bus, vf->devfn,
1627 (unsigned)vf->bars[0].bar, vf->bars[0].size,
1628 (unsigned)vf->bars[1].bar, vf->bars[1].size,
1629 (unsigned)vf->bars[2].bar, vf->bars[2].size);
1635 /* called by bnx2x_chip_cleanup */
1636 int bnx2x_iov_chip_cleanup(struct bnx2x *bp)
1643 /* release all the VFs */
1645 bnx2x_vf_release(bp, BP_VF(bp, i));
1650 /* called by bnx2x_init_hw_func, returns the next ilt line */
1651 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line)
1654 struct bnx2x_ilt *ilt = BP_ILT(bp);
1659 /* set vfs ilt lines */
1660 for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
1661 struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i);
1663 ilt->lines[line+i].page = hw_cxt->addr;
1664 ilt->lines[line+i].page_mapping = hw_cxt->mapping;
1665 ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */
1670 static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid)
1672 return ((cid >= BNX2X_FIRST_VF_CID) &&
1673 ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS));
1677 void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp,
1678 struct bnx2x_vf_queue *vfq,
1679 union event_ring_elem *elem)
1681 unsigned long ramrod_flags = 0;
1683 u32 echo = le32_to_cpu(elem->message.data.eth_event.echo);
1685 /* Always push next commands out, don't wait here */
1686 set_bit(RAMROD_CONT, &ramrod_flags);
1688 switch (echo >> BNX2X_SWCID_SHIFT) {
1689 case BNX2X_FILTER_MAC_PENDING:
1690 rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem,
1693 case BNX2X_FILTER_VLAN_PENDING:
1694 rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem,
1698 BNX2X_ERR("Unsupported classification command: 0x%x\n", echo);
1702 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
1704 DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n");
1708 void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp,
1709 struct bnx2x_virtf *vf)
1711 struct bnx2x_mcast_ramrod_params rparam = {NULL};
1714 rparam.mcast_obj = &vf->mcast_obj;
1715 vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw);
1717 /* If there are pending mcast commands - send them */
1718 if (vf->mcast_obj.check_pending(&vf->mcast_obj)) {
1719 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
1721 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
1727 void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp,
1728 struct bnx2x_virtf *vf)
1730 smp_mb__before_atomic();
1731 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
1732 smp_mb__after_atomic();
1735 static void bnx2x_vf_handle_rss_update_eqe(struct bnx2x *bp,
1736 struct bnx2x_virtf *vf)
1738 vf->rss_conf_obj.raw.clear_pending(&vf->rss_conf_obj.raw);
1741 int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem)
1743 struct bnx2x_virtf *vf;
1744 int qidx = 0, abs_vfid;
1751 /* first get the cid - the only events we handle here are cfc-delete
1752 * and set-mac completion
1754 opcode = elem->message.opcode;
1757 case EVENT_RING_OPCODE_CFC_DEL:
1758 cid = SW_CID(elem->message.data.cfc_del_event.cid);
1759 DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid);
1761 case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
1762 case EVENT_RING_OPCODE_MULTICAST_RULES:
1763 case EVENT_RING_OPCODE_FILTERS_RULES:
1764 case EVENT_RING_OPCODE_RSS_UPDATE_RULES:
1765 cid = SW_CID(elem->message.data.eth_event.echo);
1766 DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid);
1768 case EVENT_RING_OPCODE_VF_FLR:
1769 abs_vfid = elem->message.data.vf_flr_event.vf_id;
1770 DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n",
1773 case EVENT_RING_OPCODE_MALICIOUS_VF:
1774 abs_vfid = elem->message.data.malicious_vf_event.vf_id;
1775 BNX2X_ERR("Got VF MALICIOUS notification abs_vfid=%d err_id=0x%x\n",
1777 elem->message.data.malicious_vf_event.err_id);
1783 /* check if the cid is the VF range */
1784 if (!bnx2x_iov_is_vf_cid(bp, cid)) {
1785 DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid);
1789 /* extract vf and rxq index from vf_cid - relies on the following:
1790 * 1. vfid on cid reflects the true abs_vfid
1791 * 2. The max number of VFs (per path) is 64
1793 qidx = cid & ((1 << BNX2X_VF_CID_WND)-1);
1794 abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
1796 vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
1799 BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n",
1805 case EVENT_RING_OPCODE_CFC_DEL:
1806 DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n",
1807 vf->abs_vfid, qidx);
1808 vfq_get(vf, qidx)->sp_obj.complete_cmd(bp,
1811 BNX2X_Q_CMD_CFC_DEL);
1813 case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
1814 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n",
1815 vf->abs_vfid, qidx);
1816 bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem);
1818 case EVENT_RING_OPCODE_MULTICAST_RULES:
1819 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n",
1820 vf->abs_vfid, qidx);
1821 bnx2x_vf_handle_mcast_eqe(bp, vf);
1823 case EVENT_RING_OPCODE_FILTERS_RULES:
1824 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n",
1825 vf->abs_vfid, qidx);
1826 bnx2x_vf_handle_filters_eqe(bp, vf);
1828 case EVENT_RING_OPCODE_RSS_UPDATE_RULES:
1829 DP(BNX2X_MSG_IOV, "got VF [%d:%d] RSS update ramrod\n",
1830 vf->abs_vfid, qidx);
1831 bnx2x_vf_handle_rss_update_eqe(bp, vf);
1833 case EVENT_RING_OPCODE_VF_FLR:
1834 /* Do nothing for now */
1836 case EVENT_RING_OPCODE_MALICIOUS_VF:
1837 vf->malicious = true;
1844 static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid)
1846 /* extract the vf from vf_cid - relies on the following:
1847 * 1. vfid on cid reflects the true abs_vfid
1848 * 2. The max number of VFs (per path) is 64
1850 int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
1851 return bnx2x_vf_by_abs_fid(bp, abs_vfid);
1854 void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
1855 struct bnx2x_queue_sp_obj **q_obj)
1857 struct bnx2x_virtf *vf;
1862 vf = bnx2x_vf_by_cid(bp, vf_cid);
1865 /* extract queue index from vf_cid - relies on the following:
1866 * 1. vfid on cid reflects the true abs_vfid
1867 * 2. The max number of VFs (per path) is 64
1869 int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1);
1870 *q_obj = &bnx2x_vfq(vf, q_index, sp_obj);
1872 BNX2X_ERR("No vf matching cid %d\n", vf_cid);
1876 void bnx2x_iov_adjust_stats_req(struct bnx2x *bp)
1879 int first_queue_query_index, num_queues_req;
1880 dma_addr_t cur_data_offset;
1881 struct stats_query_entry *cur_query_entry;
1883 bool is_fcoe = false;
1891 /* fcoe adds one global request and one queue request */
1892 num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe;
1893 first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX -
1896 DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS),
1897 "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",
1898 BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index,
1899 first_queue_query_index + num_queues_req);
1901 cur_data_offset = bp->fw_stats_data_mapping +
1902 offsetof(struct bnx2x_fw_stats_data, queue_stats) +
1903 num_queues_req * sizeof(struct per_queue_stats);
1905 cur_query_entry = &bp->fw_stats_req->
1906 query[first_queue_query_index + num_queues_req];
1908 for_each_vf(bp, i) {
1910 struct bnx2x_virtf *vf = BP_VF(bp, i);
1912 if (vf->state != VF_ENABLED) {
1913 DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS),
1914 "vf %d not enabled so no stats for it\n",
1919 if (vf->malicious) {
1920 DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS),
1921 "vf %d malicious so no stats for it\n",
1926 DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS),
1927 "add addresses for vf %d\n", vf->abs_vfid);
1928 for_each_vfq(vf, j) {
1929 struct bnx2x_vf_queue *rxq = vfq_get(vf, j);
1931 dma_addr_t q_stats_addr =
1932 vf->fw_stat_map + j * vf->stats_stride;
1934 /* collect stats fro active queues only */
1935 if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) ==
1936 BNX2X_Q_LOGICAL_STATE_STOPPED)
1939 /* create stats query entry for this queue */
1940 cur_query_entry->kind = STATS_TYPE_QUEUE;
1941 cur_query_entry->index = vfq_stat_id(vf, rxq);
1942 cur_query_entry->funcID =
1943 cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid));
1944 cur_query_entry->address.hi =
1945 cpu_to_le32(U64_HI(q_stats_addr));
1946 cur_query_entry->address.lo =
1947 cpu_to_le32(U64_LO(q_stats_addr));
1948 DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS),
1949 "added address %x %x for vf %d queue %d client %d\n",
1950 cur_query_entry->address.hi,
1951 cur_query_entry->address.lo,
1952 cur_query_entry->funcID,
1953 j, cur_query_entry->index);
1955 cur_data_offset += sizeof(struct per_queue_stats);
1958 /* all stats are coalesced to the leading queue */
1959 if (vf->cfg_flags & VF_CFG_STATS_COALESCE)
1963 bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count;
1966 /* VF API helpers */
1967 static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid,
1970 u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4;
1971 u32 val = enable ? (abs_vfid | (1 << 6)) : 0;
1973 REG_WR(bp, reg, val);
1976 static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf)
1981 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
1982 vfq_qzone_id(vf, vfq_get(vf, i)), false);
1985 static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf)
1989 /* clear the VF configuration - pretend */
1990 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1991 val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
1992 val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN |
1993 IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK);
1994 REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
1995 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1998 u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf)
2000 return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF),
2001 BNX2X_VF_MAX_QUEUES);
2005 int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf,
2006 struct vf_pf_resc_request *req_resc)
2008 u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2009 u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2011 return ((req_resc->num_rxqs <= rxq_cnt) &&
2012 (req_resc->num_txqs <= txq_cnt) &&
2013 (req_resc->num_sbs <= vf_sb_count(vf)) &&
2014 (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) &&
2015 (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf)));
2019 int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
2020 struct vf_pf_resc_request *resc)
2022 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) *
2025 union cdu_context *base_cxt = (union cdu_context *)
2026 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2027 (base_vf_cid & (ILT_PAGE_CIDS-1));
2030 /* if state is 'acquired' the VF was not released or FLR'd, in
2031 * this case the returned resources match the acquired already
2032 * acquired resources. Verify that the requested numbers do
2033 * not exceed the already acquired numbers.
2035 if (vf->state == VF_ACQUIRED) {
2036 DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n",
2039 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2040 BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n",
2047 /* Otherwise vf state must be 'free' or 'reset' */
2048 if (vf->state != VF_FREE && vf->state != VF_RESET) {
2049 BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n",
2050 vf->abs_vfid, vf->state);
2054 /* static allocation:
2055 * the global maximum number are fixed per VF. Fail the request if
2056 * requested number exceed these globals
2058 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2060 "cannot fulfill vf resource request. Placing maximal available values in response\n");
2061 /* set the max resource in the vf */
2065 /* Set resources counters - 0 request means max available */
2066 vf_sb_count(vf) = resc->num_sbs;
2067 vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2068 vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2071 "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n",
2072 vf_sb_count(vf), vf_rxq_count(vf),
2073 vf_txq_count(vf), vf_mac_rules_cnt(vf),
2074 vf_vlan_rules_cnt(vf));
2076 /* Initialize the queues */
2078 DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n");
2082 for_each_vfq(vf, i) {
2083 struct bnx2x_vf_queue *q = vfq_get(vf, i);
2086 BNX2X_ERR("q number %d was not allocated\n", i);
2091 q->cxt = &((base_cxt + i)->eth);
2092 q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i;
2094 DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n",
2095 vf->abs_vfid, i, q->index, q->cid, q->cxt);
2097 /* init SP objects */
2098 bnx2x_vfq_init(bp, vf, q);
2100 vf->state = VF_ACQUIRED;
2104 int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map)
2106 struct bnx2x_func_init_params func_init = {0};
2109 /* the sb resources are initialized at this point, do the
2110 * FW/HW initializations
2112 for_each_vf_sb(vf, i)
2113 bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true,
2114 vf_igu_sb(vf, i), vf_igu_sb(vf, i));
2117 if (vf->state != VF_ACQUIRED) {
2118 DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n",
2119 vf->abs_vfid, vf->state);
2123 /* let FLR complete ... */
2126 /* FLR cleanup epilogue */
2127 if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid))
2130 /* reset IGU VF statistics: MSIX */
2131 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0);
2133 /* function setup */
2134 func_init.pf_id = BP_FUNC(bp);
2135 func_init.func_id = FW_VF_HANDLE(vf->abs_vfid);
2136 bnx2x_func_init(bp, &func_init);
2139 bnx2x_vf_enable_access(bp, vf->abs_vfid);
2140 bnx2x_vf_enable_traffic(bp, vf);
2142 /* queue protection table */
2144 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2145 vfq_qzone_id(vf, vfq_get(vf, i)), true);
2147 vf->state = VF_ENABLED;
2149 /* update vf bulletin board */
2150 bnx2x_post_vf_bulletin(bp, vf->index);
2155 struct set_vf_state_cookie {
2156 struct bnx2x_virtf *vf;
2160 static void bnx2x_set_vf_state(void *cookie)
2162 struct set_vf_state_cookie *p = (struct set_vf_state_cookie *)cookie;
2164 p->vf->state = p->state;
2167 int bnx2x_vf_close(struct bnx2x *bp, struct bnx2x_virtf *vf)
2171 DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid);
2173 /* Close all queues */
2174 for (i = 0; i < vf_rxq_count(vf); i++) {
2175 rc = bnx2x_vf_queue_teardown(bp, vf, i);
2180 /* disable the interrupts */
2181 DP(BNX2X_MSG_IOV, "disabling igu\n");
2182 bnx2x_vf_igu_disable(bp, vf);
2184 /* disable the VF */
2185 DP(BNX2X_MSG_IOV, "clearing qtbl\n");
2186 bnx2x_vf_clr_qtbl(bp, vf);
2188 /* need to make sure there are no outstanding stats ramrods which may
2189 * cause the device to access the VF's stats buffer which it will free
2190 * as soon as we return from the close flow.
2193 struct set_vf_state_cookie cookie;
2196 cookie.state = VF_ACQUIRED;
2197 rc = bnx2x_stats_safe_exec(bp, bnx2x_set_vf_state, &cookie);
2202 DP(BNX2X_MSG_IOV, "set state to acquired\n");
2206 BNX2X_ERR("vf[%d] CLOSE error: rc %d\n", vf->abs_vfid, rc);
2210 /* VF release can be called either: 1. The VF was acquired but
2211 * not enabled 2. the vf was enabled or in the process of being
2214 int bnx2x_vf_free(struct bnx2x *bp, struct bnx2x_virtf *vf)
2218 DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid,
2219 vf->state == VF_FREE ? "Free" :
2220 vf->state == VF_ACQUIRED ? "Acquired" :
2221 vf->state == VF_ENABLED ? "Enabled" :
2222 vf->state == VF_RESET ? "Reset" :
2225 switch (vf->state) {
2227 rc = bnx2x_vf_close(bp, vf);
2230 /* Fallthrough to release resources */
2232 DP(BNX2X_MSG_IOV, "about to free resources\n");
2233 bnx2x_vf_free_resc(bp, vf);
2243 BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, rc);
2247 int bnx2x_vf_rss_update(struct bnx2x *bp, struct bnx2x_virtf *vf,
2248 struct bnx2x_config_rss_params *rss)
2250 DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid);
2251 set_bit(RAMROD_COMP_WAIT, &rss->ramrod_flags);
2252 return bnx2x_config_rss(bp, rss);
2255 int bnx2x_vf_tpa_update(struct bnx2x *bp, struct bnx2x_virtf *vf,
2256 struct vfpf_tpa_tlv *tlv,
2257 struct bnx2x_queue_update_tpa_params *params)
2259 aligned_u64 *sge_addr = tlv->tpa_client_info.sge_addr;
2260 struct bnx2x_queue_state_params qstate;
2263 DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid);
2265 /* Set ramrod params */
2266 memset(&qstate, 0, sizeof(struct bnx2x_queue_state_params));
2267 memcpy(&qstate.params.update_tpa, params,
2268 sizeof(struct bnx2x_queue_update_tpa_params));
2269 qstate.cmd = BNX2X_Q_CMD_UPDATE_TPA;
2270 set_bit(RAMROD_COMP_WAIT, &qstate.ramrod_flags);
2272 for (qid = 0; qid < vf_rxq_count(vf); qid++) {
2273 qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj);
2274 qstate.params.update_tpa.sge_map = sge_addr[qid];
2275 DP(BNX2X_MSG_IOV, "sge_addr[%d:%d] %08x:%08x\n",
2276 vf->abs_vfid, qid, U64_HI(sge_addr[qid]),
2277 U64_LO(sge_addr[qid]));
2278 rc = bnx2x_queue_state_change(bp, &qstate);
2280 BNX2X_ERR("Failed to configure sge_addr %08x:%08x for [%d:%d]\n",
2281 U64_HI(sge_addr[qid]), U64_LO(sge_addr[qid]),
2290 /* VF release ~ VF close + VF release-resources
2291 * Release is the ultimate SW shutdown and is called whenever an
2292 * irrecoverable error is encountered.
2294 int bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf)
2298 DP(BNX2X_MSG_IOV, "PF releasing vf %d\n", vf->abs_vfid);
2299 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
2301 rc = bnx2x_vf_free(bp, vf);
2304 "VF[%d] Failed to allocate resources for release op- rc=%d\n",
2306 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
2310 void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
2311 enum channel_tlvs tlv)
2313 /* we don't lock the channel for unsupported tlvs */
2314 if (!bnx2x_tlv_supported(tlv)) {
2315 BNX2X_ERR("attempting to lock with unsupported tlv. Aborting\n");
2319 /* lock the channel */
2320 mutex_lock(&vf->op_mutex);
2322 /* record the locking op */
2323 vf->op_current = tlv;
2326 DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n",
2330 void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
2331 enum channel_tlvs expected_tlv)
2333 enum channel_tlvs current_tlv;
2336 BNX2X_ERR("VF was %p\n", vf);
2340 current_tlv = vf->op_current;
2342 /* we don't unlock the channel for unsupported tlvs */
2343 if (!bnx2x_tlv_supported(expected_tlv))
2346 WARN(expected_tlv != vf->op_current,
2347 "lock mismatch: expected %d found %d", expected_tlv,
2350 /* record the locking op */
2351 vf->op_current = CHANNEL_TLV_NONE;
2353 /* lock the channel */
2354 mutex_unlock(&vf->op_mutex);
2356 /* log the unlock */
2357 DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n",
2358 vf->abs_vfid, current_tlv);
2361 static int bnx2x_set_pf_tx_switching(struct bnx2x *bp, bool enable)
2363 struct bnx2x_queue_state_params q_params;
2367 /* Verify changes are needed and record current Tx switching state */
2368 prev_flags = bp->flags;
2370 bp->flags |= TX_SWITCHING;
2372 bp->flags &= ~TX_SWITCHING;
2373 if (prev_flags == bp->flags)
2376 /* Verify state enables the sending of queue ramrods */
2377 if ((bp->state != BNX2X_STATE_OPEN) ||
2378 (bnx2x_get_q_logical_state(bp,
2379 &bnx2x_sp_obj(bp, &bp->fp[0]).q_obj) !=
2380 BNX2X_Q_LOGICAL_STATE_ACTIVE))
2383 /* send q. update ramrod to configure Tx switching */
2384 memset(&q_params, 0, sizeof(q_params));
2385 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
2386 q_params.cmd = BNX2X_Q_CMD_UPDATE;
2387 __set_bit(BNX2X_Q_UPDATE_TX_SWITCHING_CHNG,
2388 &q_params.params.update.update_flags);
2390 __set_bit(BNX2X_Q_UPDATE_TX_SWITCHING,
2391 &q_params.params.update.update_flags);
2393 __clear_bit(BNX2X_Q_UPDATE_TX_SWITCHING,
2394 &q_params.params.update.update_flags);
2396 /* send the ramrod on all the queues of the PF */
2397 for_each_eth_queue(bp, i) {
2398 struct bnx2x_fastpath *fp = &bp->fp[i];
2401 /* Set the appropriate Queue object */
2402 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
2404 for (tx_idx = FIRST_TX_COS_INDEX;
2405 tx_idx < fp->max_cos; tx_idx++) {
2406 q_params.params.update.cid_index = tx_idx;
2408 /* Update the Queue state */
2409 rc = bnx2x_queue_state_change(bp, &q_params);
2411 BNX2X_ERR("Failed to configure Tx switching\n");
2417 DP(BNX2X_MSG_IOV, "%s Tx Switching\n", enable ? "Enabled" : "Disabled");
2421 int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param)
2423 struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev));
2425 if (!IS_SRIOV(bp)) {
2426 BNX2X_ERR("failed to configure SR-IOV since vfdb was not allocated. Check dmesg for errors in probe stage\n");
2430 DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n",
2431 num_vfs_param, BNX2X_NR_VIRTFN(bp));
2433 /* HW channel is only operational when PF is up */
2434 if (bp->state != BNX2X_STATE_OPEN) {
2435 BNX2X_ERR("VF num configuration via sysfs not supported while PF is down\n");
2439 /* we are always bound by the total_vfs in the configuration space */
2440 if (num_vfs_param > BNX2X_NR_VIRTFN(bp)) {
2441 BNX2X_ERR("truncating requested number of VFs (%d) down to maximum allowed (%d)\n",
2442 num_vfs_param, BNX2X_NR_VIRTFN(bp));
2443 num_vfs_param = BNX2X_NR_VIRTFN(bp);
2446 bp->requested_nr_virtfn = num_vfs_param;
2447 if (num_vfs_param == 0) {
2448 bnx2x_set_pf_tx_switching(bp, false);
2449 bnx2x_disable_sriov(bp);
2452 return bnx2x_enable_sriov(bp);
2456 #define IGU_ENTRY_SIZE 4
2458 int bnx2x_enable_sriov(struct bnx2x *bp)
2460 int rc = 0, req_vfs = bp->requested_nr_virtfn;
2461 int vf_idx, sb_idx, vfq_idx, qcount, first_vf;
2462 u32 igu_entry, address;
2468 first_vf = bp->vfdb->sriov.first_vf_in_pf;
2470 /* statically distribute vf sb pool between VFs */
2471 num_vf_queues = min_t(u16, BNX2X_VF_MAX_QUEUES,
2472 BP_VFDB(bp)->vf_sbs_pool / req_vfs);
2474 /* zero previous values learned from igu cam */
2475 for (vf_idx = 0; vf_idx < req_vfs; vf_idx++) {
2476 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
2479 vf_sb_count(BP_VF(bp, vf_idx)) = 0;
2481 bp->vfdb->vf_sbs_pool = 0;
2483 /* prepare IGU cam */
2484 sb_idx = BP_VFDB(bp)->first_vf_igu_entry;
2485 address = IGU_REG_MAPPING_MEMORY + sb_idx * IGU_ENTRY_SIZE;
2486 for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) {
2487 for (vfq_idx = 0; vfq_idx < num_vf_queues; vfq_idx++) {
2488 igu_entry = vf_idx << IGU_REG_MAPPING_MEMORY_FID_SHIFT |
2489 vfq_idx << IGU_REG_MAPPING_MEMORY_VECTOR_SHIFT |
2490 IGU_REG_MAPPING_MEMORY_VALID;
2491 DP(BNX2X_MSG_IOV, "assigning sb %d to vf %d\n",
2493 REG_WR(bp, address, igu_entry);
2495 address += IGU_ENTRY_SIZE;
2499 /* Reinitialize vf database according to igu cam */
2500 bnx2x_get_vf_igu_cam_info(bp);
2502 DP(BNX2X_MSG_IOV, "vf_sbs_pool %d, num_vf_queues %d\n",
2503 BP_VFDB(bp)->vf_sbs_pool, num_vf_queues);
2506 for_each_vf(bp, vf_idx) {
2507 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
2509 /* set local queue arrays */
2510 vf->vfqs = &bp->vfdb->vfqs[qcount];
2511 qcount += vf_sb_count(vf);
2512 bnx2x_iov_static_resc(bp, vf);
2515 /* prepare msix vectors in VF configuration space - the value in the
2516 * PCI configuration space should be the index of the last entry,
2517 * namely one less than the actual size of the table
2519 for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) {
2520 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf_idx));
2521 REG_WR(bp, PCICFG_OFFSET + GRC_CONFIG_REG_VF_MSIX_CONTROL,
2523 DP(BNX2X_MSG_IOV, "set msix vec num in VF %d cfg space to %d\n",
2524 vf_idx, num_vf_queues - 1);
2526 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2528 /* enable sriov. This will probe all the VFs, and consequentially cause
2529 * the "acquire" messages to appear on the VF PF channel.
2531 DP(BNX2X_MSG_IOV, "about to call enable sriov\n");
2532 bnx2x_disable_sriov(bp);
2534 rc = bnx2x_set_pf_tx_switching(bp, true);
2538 rc = pci_enable_sriov(bp->pdev, req_vfs);
2540 BNX2X_ERR("pci_enable_sriov failed with %d\n", rc);
2543 DP(BNX2X_MSG_IOV, "sriov enabled (%d vfs)\n", req_vfs);
2547 void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp)
2550 struct pf_vf_bulletin_content *bulletin;
2552 DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n");
2553 for_each_vf(bp, vfidx) {
2554 bulletin = BP_VF_BULLETIN(bp, vfidx);
2555 if (bulletin->valid_bitmap & (1 << VLAN_VALID))
2556 bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0,
2557 htons(ETH_P_8021Q));
2561 void bnx2x_disable_sriov(struct bnx2x *bp)
2563 if (pci_vfs_assigned(bp->pdev)) {
2565 "Unloading driver while VFs are assigned - VFs will not be deallocated\n");
2569 pci_disable_sriov(bp->pdev);
2572 static int bnx2x_vf_op_prep(struct bnx2x *bp, int vfidx,
2573 struct bnx2x_virtf **vf,
2574 struct pf_vf_bulletin_content **bulletin,
2577 if (bp->state != BNX2X_STATE_OPEN) {
2578 BNX2X_ERR("PF is down - can't utilize iov-related functionality\n");
2582 if (!IS_SRIOV(bp)) {
2583 BNX2X_ERR("sriov is disabled - can't utilize iov-related functionality\n");
2587 if (vfidx >= BNX2X_NR_VIRTFN(bp)) {
2588 BNX2X_ERR("VF is uninitialized - can't utilize iov-related functionality. vfidx was %d BNX2X_NR_VIRTFN was %d\n",
2589 vfidx, BNX2X_NR_VIRTFN(bp));
2594 *vf = BP_VF(bp, vfidx);
2595 *bulletin = BP_VF_BULLETIN(bp, vfidx);
2598 BNX2X_ERR("Unable to get VF structure for vfidx %d\n", vfidx);
2602 if (test_queue && !(*vf)->vfqs) {
2603 BNX2X_ERR("vfqs struct is null. Was this invoked before dynamically enabling SR-IOV? vfidx was %d\n",
2609 BNX2X_ERR("Bulletin Board struct is null for vfidx %d\n",
2617 int bnx2x_get_vf_config(struct net_device *dev, int vfidx,
2618 struct ifla_vf_info *ivi)
2620 struct bnx2x *bp = netdev_priv(dev);
2621 struct bnx2x_virtf *vf = NULL;
2622 struct pf_vf_bulletin_content *bulletin = NULL;
2623 struct bnx2x_vlan_mac_obj *mac_obj;
2624 struct bnx2x_vlan_mac_obj *vlan_obj;
2627 /* sanity and init */
2628 rc = bnx2x_vf_op_prep(bp, vfidx, &vf, &bulletin, true);
2632 mac_obj = &bnx2x_leading_vfq(vf, mac_obj);
2633 vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj);
2634 if (!mac_obj || !vlan_obj) {
2635 BNX2X_ERR("VF partially initialized\n");
2641 ivi->max_tx_rate = 10000; /* always 10G. TBA take from link struct */
2642 ivi->min_tx_rate = 0;
2643 ivi->spoofchk = 1; /*always enabled */
2644 if (vf->state == VF_ENABLED) {
2645 /* mac and vlan are in vlan_mac objects */
2646 if (bnx2x_validate_vf_sp_objs(bp, vf, false)) {
2647 mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac,
2649 vlan_obj->get_n_elements(bp, vlan_obj, 1,
2650 (u8 *)&ivi->vlan, 0,
2654 mutex_lock(&bp->vfdb->bulletin_mutex);
2656 if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID))
2657 /* mac configured by ndo so its in bulletin board */
2658 memcpy(&ivi->mac, bulletin->mac, ETH_ALEN);
2660 /* function has not been loaded yet. Show mac as 0s */
2661 eth_zero_addr(ivi->mac);
2664 if (bulletin->valid_bitmap & (1 << VLAN_VALID))
2665 /* vlan configured by ndo so its in bulletin board */
2666 memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN);
2668 /* function has not been loaded yet. Show vlans as 0s */
2669 memset(&ivi->vlan, 0, VLAN_HLEN);
2671 mutex_unlock(&bp->vfdb->bulletin_mutex);
2677 /* New mac for VF. Consider these cases:
2678 * 1. VF hasn't been acquired yet - save the mac in local bulletin board and
2679 * supply at acquire.
2680 * 2. VF has already been acquired but has not yet initialized - store in local
2681 * bulletin board. mac will be posted on VF bulletin board after VF init. VF
2682 * will configure this mac when it is ready.
2683 * 3. VF has already initialized but has not yet setup a queue - post the new
2684 * mac on VF's bulletin board right now. VF will configure this mac when it
2686 * 4. VF has already set a queue - delete any macs already configured for this
2687 * queue and manually config the new mac.
2688 * In any event, once this function has been called refuse any attempts by the
2689 * VF to configure any mac for itself except for this mac. In case of a race
2690 * where the VF fails to see the new post on its bulletin board before sending a
2691 * mac configuration request, the PF will simply fail the request and VF can try
2692 * again after consulting its bulletin board.
2694 int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac)
2696 struct bnx2x *bp = netdev_priv(dev);
2697 int rc, q_logical_state;
2698 struct bnx2x_virtf *vf = NULL;
2699 struct pf_vf_bulletin_content *bulletin = NULL;
2701 if (!is_valid_ether_addr(mac)) {
2702 BNX2X_ERR("mac address invalid\n");
2706 /* sanity and init */
2707 rc = bnx2x_vf_op_prep(bp, vfidx, &vf, &bulletin, true);
2711 mutex_lock(&bp->vfdb->bulletin_mutex);
2713 /* update PF's copy of the VF's bulletin. Will no longer accept mac
2714 * configuration requests from vf unless match this mac
2716 bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID;
2717 memcpy(bulletin->mac, mac, ETH_ALEN);
2719 /* Post update on VF's bulletin board */
2720 rc = bnx2x_post_vf_bulletin(bp, vfidx);
2722 /* release lock before checking return code */
2723 mutex_unlock(&bp->vfdb->bulletin_mutex);
2726 BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx);
2731 bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj));
2732 if (vf->state == VF_ENABLED &&
2733 q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
2734 /* configure the mac in device on this vf's queue */
2735 unsigned long ramrod_flags = 0;
2736 struct bnx2x_vlan_mac_obj *mac_obj;
2738 /* User should be able to see failure reason in system logs */
2739 if (!bnx2x_validate_vf_sp_objs(bp, vf, true))
2742 /* must lock vfpf channel to protect against vf flows */
2743 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
2745 /* remove existing eth macs */
2746 mac_obj = &bnx2x_leading_vfq(vf, mac_obj);
2747 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true);
2749 BNX2X_ERR("failed to delete eth macs\n");
2754 /* remove existing uc list macs */
2755 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true);
2757 BNX2X_ERR("failed to delete uc_list macs\n");
2762 /* configure the new mac to device */
2763 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
2764 bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true,
2765 BNX2X_ETH_MAC, &ramrod_flags);
2768 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
2774 static void bnx2x_set_vf_vlan_acceptance(struct bnx2x *bp,
2775 struct bnx2x_virtf *vf, bool accept)
2777 struct bnx2x_rx_mode_ramrod_params rx_ramrod;
2778 unsigned long accept_flags;
2780 /* need to remove/add the VF's accept_any_vlan bit */
2781 accept_flags = bnx2x_leading_vfq(vf, accept_flags);
2783 set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
2785 clear_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
2787 bnx2x_vf_prep_rx_mode(bp, LEADING_IDX, &rx_ramrod, vf,
2789 bnx2x_leading_vfq(vf, accept_flags) = accept_flags;
2790 bnx2x_config_rx_mode(bp, &rx_ramrod);
2793 static int bnx2x_set_vf_vlan_filter(struct bnx2x *bp, struct bnx2x_virtf *vf,
2796 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
2797 unsigned long ramrod_flags = 0;
2800 /* configure the new vlan to device */
2801 memset(&ramrod_param, 0, sizeof(ramrod_param));
2802 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
2803 ramrod_param.vlan_mac_obj = &bnx2x_leading_vfq(vf, vlan_obj);
2804 ramrod_param.ramrod_flags = ramrod_flags;
2805 ramrod_param.user_req.u.vlan.vlan = vlan;
2806 ramrod_param.user_req.cmd = add ? BNX2X_VLAN_MAC_ADD
2807 : BNX2X_VLAN_MAC_DEL;
2808 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
2810 BNX2X_ERR("failed to configure vlan\n");
2817 int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos,
2820 struct pf_vf_bulletin_content *bulletin = NULL;
2821 struct bnx2x *bp = netdev_priv(dev);
2822 struct bnx2x_vlan_mac_obj *vlan_obj;
2823 unsigned long vlan_mac_flags = 0;
2824 unsigned long ramrod_flags = 0;
2825 struct bnx2x_virtf *vf = NULL;
2829 BNX2X_ERR("illegal vlan value %d\n", vlan);
2833 if (vlan_proto != htons(ETH_P_8021Q))
2834 return -EPROTONOSUPPORT;
2836 DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n",
2839 /* sanity and init */
2840 rc = bnx2x_vf_op_prep(bp, vfidx, &vf, &bulletin, true);
2844 /* update PF's copy of the VF's bulletin. No point in posting the vlan
2845 * to the VF since it doesn't have anything to do with it. But it useful
2846 * to store it here in case the VF is not up yet and we can only
2847 * configure the vlan later when it does. Treat vlan id 0 as remove the
2850 mutex_lock(&bp->vfdb->bulletin_mutex);
2853 bulletin->valid_bitmap |= 1 << VLAN_VALID;
2855 bulletin->valid_bitmap &= ~(1 << VLAN_VALID);
2856 bulletin->vlan = vlan;
2858 /* Post update on VF's bulletin board */
2859 rc = bnx2x_post_vf_bulletin(bp, vfidx);
2861 BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx);
2862 mutex_unlock(&bp->vfdb->bulletin_mutex);
2864 /* is vf initialized and queue set up? */
2865 if (vf->state != VF_ENABLED ||
2866 bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj)) !=
2867 BNX2X_Q_LOGICAL_STATE_ACTIVE)
2870 /* User should be able to see error in system logs */
2871 if (!bnx2x_validate_vf_sp_objs(bp, vf, true))
2874 /* must lock vfpf channel to protect against vf flows */
2875 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
2877 /* remove existing vlans */
2878 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
2879 vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj);
2880 rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags,
2883 BNX2X_ERR("failed to delete vlans\n");
2888 /* clear accept_any_vlan when HV forces vlan, otherwise
2889 * according to VF capabilities
2891 if (vlan || !(vf->cfg_flags & VF_CFG_VLAN_FILTER))
2892 bnx2x_set_vf_vlan_acceptance(bp, vf, !vlan);
2894 rc = bnx2x_set_vf_vlan_filter(bp, vf, vlan, true);
2898 /* send queue update ramrods to configure default vlan and
2899 * silent vlan removal
2901 for_each_vfq(vf, i) {
2902 struct bnx2x_queue_state_params q_params = {NULL};
2903 struct bnx2x_queue_update_params *update_params;
2905 q_params.q_obj = &bnx2x_vfq(vf, i, sp_obj);
2907 /* validate the Q is UP */
2908 if (bnx2x_get_q_logical_state(bp, q_params.q_obj) !=
2909 BNX2X_Q_LOGICAL_STATE_ACTIVE)
2912 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
2913 q_params.cmd = BNX2X_Q_CMD_UPDATE;
2914 update_params = &q_params.params.update;
2915 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
2916 &update_params->update_flags);
2917 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
2918 &update_params->update_flags);
2920 /* if vlan is 0 then we want to leave the VF traffic
2921 * untagged, and leave the incoming traffic untouched
2922 * (i.e. do not remove any vlan tags).
2924 __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
2925 &update_params->update_flags);
2926 __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
2927 &update_params->update_flags);
2929 /* configure default vlan to vf queue and set silent
2930 * vlan removal (the vf remains unaware of this vlan).
2932 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
2933 &update_params->update_flags);
2934 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
2935 &update_params->update_flags);
2936 update_params->def_vlan = vlan;
2937 update_params->silent_removal_value =
2938 vlan & VLAN_VID_MASK;
2939 update_params->silent_removal_mask = VLAN_VID_MASK;
2942 /* Update the Queue state */
2943 rc = bnx2x_queue_state_change(bp, &q_params);
2945 BNX2X_ERR("Failed to configure default VLAN queue %d\n",
2951 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
2955 "updated VF[%d] vlan configuration (vlan = %d)\n",
2961 /* crc is the first field in the bulletin board. Compute the crc over the
2962 * entire bulletin board excluding the crc field itself. Use the length field
2963 * as the Bulletin Board was posted by a PF with possibly a different version
2964 * from the vf which will sample it. Therefore, the length is computed by the
2965 * PF and then used blindly by the VF.
2967 u32 bnx2x_crc_vf_bulletin(struct pf_vf_bulletin_content *bulletin)
2969 return crc32(BULLETIN_CRC_SEED,
2970 ((u8 *)bulletin) + sizeof(bulletin->crc),
2971 bulletin->length - sizeof(bulletin->crc));
2974 /* Check for new posts on the bulletin board */
2975 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
2977 struct pf_vf_bulletin_content *bulletin;
2980 /* sampling structure in mid post may result with corrupted data
2981 * validate crc to ensure coherency.
2983 for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) {
2986 /* sample the bulletin board */
2987 memcpy(&bp->shadow_bulletin, bp->pf2vf_bulletin,
2988 sizeof(union pf_vf_bulletin));
2990 crc = bnx2x_crc_vf_bulletin(&bp->shadow_bulletin.content);
2992 if (bp->shadow_bulletin.content.crc == crc)
2995 BNX2X_ERR("bad crc on bulletin board. Contained %x computed %x\n",
2996 bp->shadow_bulletin.content.crc, crc);
2999 if (attempts >= BULLETIN_ATTEMPTS) {
3000 BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n",
3002 return PFVF_BULLETIN_CRC_ERR;
3004 bulletin = &bp->shadow_bulletin.content;
3006 /* bulletin board hasn't changed since last sample */
3007 if (bp->old_bulletin.version == bulletin->version)
3008 return PFVF_BULLETIN_UNCHANGED;
3010 /* the mac address in bulletin board is valid and is new */
3011 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID &&
3012 !ether_addr_equal(bulletin->mac, bp->old_bulletin.mac)) {
3013 /* update new mac to net device */
3014 memcpy(bp->dev->dev_addr, bulletin->mac, ETH_ALEN);
3017 if (bulletin->valid_bitmap & (1 << LINK_VALID)) {
3018 DP(BNX2X_MSG_IOV, "link update speed %d flags %x\n",
3019 bulletin->link_speed, bulletin->link_flags);
3021 bp->vf_link_vars.line_speed = bulletin->link_speed;
3022 bp->vf_link_vars.link_report_flags = 0;
3024 if (bulletin->link_flags & VFPF_LINK_REPORT_LINK_DOWN)
3025 __set_bit(BNX2X_LINK_REPORT_LINK_DOWN,
3026 &bp->vf_link_vars.link_report_flags);
3028 if (bulletin->link_flags & VFPF_LINK_REPORT_FULL_DUPLEX)
3029 __set_bit(BNX2X_LINK_REPORT_FD,
3030 &bp->vf_link_vars.link_report_flags);
3031 /* Rx Flow Control is ON */
3032 if (bulletin->link_flags & VFPF_LINK_REPORT_RX_FC_ON)
3033 __set_bit(BNX2X_LINK_REPORT_RX_FC_ON,
3034 &bp->vf_link_vars.link_report_flags);
3035 /* Tx Flow Control is ON */
3036 if (bulletin->link_flags & VFPF_LINK_REPORT_TX_FC_ON)
3037 __set_bit(BNX2X_LINK_REPORT_TX_FC_ON,
3038 &bp->vf_link_vars.link_report_flags);
3039 __bnx2x_link_report(bp);
3042 /* copy new bulletin board to bp */
3043 memcpy(&bp->old_bulletin, bulletin,
3044 sizeof(struct pf_vf_bulletin_content));
3046 return PFVF_BULLETIN_UPDATED;
3049 void bnx2x_timer_sriov(struct bnx2x *bp)
3051 bnx2x_sample_bulletin(bp);
3053 /* if channel is down we need to self destruct */
3054 if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN)
3055 bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
3059 void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)
3061 /* vf doorbells are embedded within the regview */
3062 return bp->regview + PXP_VF_ADDR_DB_START;
3065 void bnx2x_vf_pci_dealloc(struct bnx2x *bp)
3067 BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3068 sizeof(struct bnx2x_vf_mbx_msg));
3069 BNX2X_PCI_FREE(bp->pf2vf_bulletin, bp->pf2vf_bulletin_mapping,
3070 sizeof(union pf_vf_bulletin));
3073 int bnx2x_vf_pci_alloc(struct bnx2x *bp)
3075 mutex_init(&bp->vf2pf_mutex);
3077 /* allocate vf2pf mailbox for vf to pf channel */
3078 bp->vf2pf_mbox = BNX2X_PCI_ALLOC(&bp->vf2pf_mbox_mapping,
3079 sizeof(struct bnx2x_vf_mbx_msg));
3080 if (!bp->vf2pf_mbox)
3083 /* allocate pf 2 vf bulletin board */
3084 bp->pf2vf_bulletin = BNX2X_PCI_ALLOC(&bp->pf2vf_bulletin_mapping,
3085 sizeof(union pf_vf_bulletin));
3086 if (!bp->pf2vf_bulletin)
3089 bnx2x_vf_bulletin_finalize(&bp->pf2vf_bulletin->content, true);
3094 bnx2x_vf_pci_dealloc(bp);
3098 void bnx2x_iov_channel_down(struct bnx2x *bp)
3101 struct pf_vf_bulletin_content *bulletin;
3106 for_each_vf(bp, vf_idx) {
3107 /* locate this VFs bulletin board and update the channel down
3110 bulletin = BP_VF_BULLETIN(bp, vf_idx);
3111 bulletin->valid_bitmap |= 1 << CHANNEL_DOWN;
3113 /* update vf bulletin board */
3114 bnx2x_post_vf_bulletin(bp, vf_idx);
3118 void bnx2x_iov_task(struct work_struct *work)
3120 struct bnx2x *bp = container_of(work, struct bnx2x, iov_task.work);
3122 if (!netif_running(bp->dev))
3125 if (test_and_clear_bit(BNX2X_IOV_HANDLE_FLR,
3126 &bp->iov_task_state))
3127 bnx2x_vf_handle_flr_event(bp);
3129 if (test_and_clear_bit(BNX2X_IOV_HANDLE_VF_MSG,
3130 &bp->iov_task_state))
3134 void bnx2x_schedule_iov_task(struct bnx2x *bp, enum bnx2x_iov_flag flag)
3136 smp_mb__before_atomic();
3137 set_bit(flag, &bp->iov_task_state);
3138 smp_mb__after_atomic();
3139 DP(BNX2X_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
3140 queue_delayed_work(bnx2x_iov_wq, &bp->iov_task, 0);