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)
809 struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
816 dev = pci_get_domain_bus_and_slot(vf->domain, vf->bus, vf->devfn);
819 pending = bnx2x_is_pcie_pending(dev);
825 int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid)
827 /* Verify no pending pci transactions */
828 if (bnx2x_vf_is_pcie_pending(bp, abs_vfid))
829 BNX2X_ERR("PCIE Transactions still pending\n");
834 /* must be called after the number of PF queues and the number of VFs are
838 bnx2x_iov_static_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
840 struct vf_pf_resc_request *resc = &vf->alloc_resc;
842 /* will be set only during VF-ACQUIRE */
846 resc->num_mac_filters = VF_MAC_CREDIT_CNT;
847 resc->num_vlan_filters = VF_VLAN_CREDIT_CNT;
849 /* no real limitation */
850 resc->num_mc_filters = 0;
852 /* num_sbs already set */
853 resc->num_sbs = vf->sb_count;
857 static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
859 /* reset the state variables */
860 bnx2x_iov_static_resc(bp, vf);
864 static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf)
866 u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
868 /* DQ usage counter */
869 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
870 bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT,
871 "DQ VF usage counter timed out",
873 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
875 /* FW cleanup command - poll for the results */
876 if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid),
878 BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid);
880 /* verify TX hw is flushed */
881 bnx2x_tx_hw_flushed(bp, poll_cnt);
884 static void bnx2x_vf_flr(struct bnx2x *bp, struct bnx2x_virtf *vf)
888 DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid);
890 /* the cleanup operations are valid if and only if the VF
891 * was first acquired.
893 for (i = 0; i < vf_rxq_count(vf); i++) {
894 rc = bnx2x_vf_queue_flr(bp, vf, i);
899 /* remove multicasts */
900 bnx2x_vf_mcast(bp, vf, NULL, 0, true);
902 /* dispatch final cleanup and wait for HW queues to flush */
903 bnx2x_vf_flr_clnup_hw(bp, vf);
905 /* release VF resources */
906 bnx2x_vf_free_resc(bp, vf);
908 vf->malicious = false;
910 /* re-open the mailbox */
911 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
914 BNX2X_ERR("vf[%d:%d] failed flr: rc %d\n",
915 vf->abs_vfid, i, rc);
918 static void bnx2x_vf_flr_clnup(struct bnx2x *bp)
920 struct bnx2x_virtf *vf;
923 for (i = 0; i < BNX2X_NR_VIRTFN(bp); i++) {
924 /* VF should be RESET & in FLR cleanup states */
925 if (bnx2x_vf(bp, i, state) != VF_RESET ||
926 !bnx2x_vf(bp, i, flr_clnup_stage))
929 DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. Num of vfs: %d\n",
930 i, BNX2X_NR_VIRTFN(bp));
934 /* lock the vf pf channel */
935 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
937 /* invoke the VF FLR SM */
938 bnx2x_vf_flr(bp, vf);
940 /* mark the VF to be ACKED and continue */
941 vf->flr_clnup_stage = false;
942 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
945 /* Acknowledge the handled VFs.
946 * we are acknowledge all the vfs which an flr was requested for, even
947 * if amongst them there are such that we never opened, since the mcp
948 * will interrupt us immediately again if we only ack some of the bits,
949 * resulting in an endless loop. This can happen for example in KVM
950 * where an 'all ones' flr request is sometimes given by hyper visor
952 DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n",
953 bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
954 for (i = 0; i < FLRD_VFS_DWORDS; i++)
955 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i],
956 bp->vfdb->flrd_vfs[i]);
958 bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0);
960 /* clear the acked bits - better yet if the MCP implemented
961 * write to clear semantics
963 for (i = 0; i < FLRD_VFS_DWORDS; i++)
964 SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0);
967 void bnx2x_vf_handle_flr_event(struct bnx2x *bp)
972 for (i = 0; i < FLRD_VFS_DWORDS; i++)
973 bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]);
976 "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n",
977 bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
980 struct bnx2x_virtf *vf = BP_VF(bp, i);
983 if (vf->abs_vfid < 32)
984 reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid);
986 reset = bp->vfdb->flrd_vfs[1] &
987 (1 << (vf->abs_vfid - 32));
990 /* set as reset and ready for cleanup */
991 vf->state = VF_RESET;
992 vf->flr_clnup_stage = true;
995 "Initiating Final cleanup for VF %d\n",
1000 /* do the FLR cleanup for all marked VFs*/
1001 bnx2x_vf_flr_clnup(bp);
1004 /* IOV global initialization routines */
1005 void bnx2x_iov_init_dq(struct bnx2x *bp)
1010 /* Set the DQ such that the CID reflect the abs_vfid */
1011 REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0);
1012 REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS));
1014 /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to
1017 REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID);
1019 /* The VF window size is the log2 of the max number of CIDs per VF */
1020 REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND);
1022 /* The VF doorbell size 0 - *B, 4 - 128B. We set it here to match
1023 * the Pf doorbell size although the 2 are independent.
1025 REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST, 3);
1027 /* No security checks for now -
1028 * configure single rule (out of 16) mask = 0x1, value = 0x0,
1029 * CID range 0 - 0x1ffff
1031 REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1);
1032 REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0);
1033 REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0);
1034 REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff);
1036 /* set the VF doorbell threshold. This threshold represents the amount
1037 * of doorbells allowed in the main DORQ fifo for a specific VF.
1039 REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 64);
1042 void bnx2x_iov_init_dmae(struct bnx2x *bp)
1044 if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV))
1045 REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
1048 static int bnx2x_vf_domain(struct bnx2x *bp, int vfid)
1050 struct pci_dev *dev = bp->pdev;
1052 return pci_domain_nr(dev->bus);
1055 static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
1057 struct pci_dev *dev = bp->pdev;
1058 struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1060 return dev->bus->number + ((dev->devfn + iov->offset +
1061 iov->stride * vfid) >> 8);
1064 static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid)
1066 struct pci_dev *dev = bp->pdev;
1067 struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1069 return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff;
1072 static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf)
1075 struct pci_dev *dev = bp->pdev;
1076 struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1078 for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) {
1079 u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i);
1080 u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i);
1083 vf->bars[n].bar = start + size * vf->abs_vfid;
1084 vf->bars[n].size = size;
1089 bnx2x_get_vf_igu_cam_info(struct bnx2x *bp)
1093 u8 fid, current_pf = 0;
1095 /* IGU in normal mode - read CAM */
1096 for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) {
1097 val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4);
1098 if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
1100 fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID);
1101 if (fid & IGU_FID_ENCODE_IS_PF)
1102 current_pf = fid & IGU_FID_PF_NUM_MASK;
1103 else if (current_pf == BP_FUNC(bp))
1104 bnx2x_vf_set_igu_info(bp, sb_id,
1105 (fid & IGU_FID_VF_NUM_MASK));
1106 DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n",
1107 ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"),
1108 ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) :
1109 (fid & IGU_FID_VF_NUM_MASK)), sb_id,
1110 GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR));
1112 DP(BNX2X_MSG_IOV, "vf_sbs_pool is %d\n", BP_VFDB(bp)->vf_sbs_pool);
1113 return BP_VFDB(bp)->vf_sbs_pool;
1116 static void __bnx2x_iov_free_vfdb(struct bnx2x *bp)
1119 kfree(bp->vfdb->vfqs);
1120 kfree(bp->vfdb->vfs);
1126 static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1129 struct pci_dev *dev = bp->pdev;
1131 pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
1133 BNX2X_ERR("failed to find SRIOV capability in device\n");
1138 DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos);
1139 pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
1140 pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total);
1141 pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial);
1142 pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
1143 pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
1144 pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
1145 pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap);
1146 pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
1151 static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1155 /* read the SRIOV capability structure
1156 * The fields can be read via configuration read or
1157 * directly from the device (starting at offset PCICFG_OFFSET)
1159 if (bnx2x_sriov_pci_cfg_info(bp, iov))
1162 /* get the number of SRIOV bars */
1165 /* read the first_vfid */
1166 val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF);
1167 iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK)
1168 * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp));
1171 "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",
1173 iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total,
1174 iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
1179 /* must be called after PF bars are mapped */
1180 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
1184 struct bnx2x_sriov *iov;
1185 struct pci_dev *dev = bp->pdev;
1193 /* verify sriov capability is present in configuration space */
1194 if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV))
1197 /* verify chip revision */
1198 if (CHIP_IS_E1x(bp))
1201 /* check if SRIOV support is turned off */
1205 /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */
1206 if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) {
1207 BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n",
1208 BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID);
1212 /* SRIOV can be enabled only with MSIX */
1213 if (int_mode_param == BNX2X_INT_MODE_MSI ||
1214 int_mode_param == BNX2X_INT_MODE_INTX) {
1215 BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n");
1220 /* verify ari is enabled */
1221 if (!pci_ari_enabled(bp->pdev->bus)) {
1222 BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n");
1226 /* verify igu is in normal mode */
1227 if (CHIP_INT_MODE_IS_BC(bp)) {
1228 BNX2X_ERR("IGU not normal mode, SRIOV can not be enabled\n");
1232 /* allocate the vfs database */
1233 bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL);
1235 BNX2X_ERR("failed to allocate vf database\n");
1240 /* get the sriov info - Linux already collected all the pertinent
1241 * information, however the sriov structure is for the private use
1242 * of the pci module. Also we want this information regardless
1243 * of the hyper-visor.
1245 iov = &(bp->vfdb->sriov);
1246 err = bnx2x_sriov_info(bp, iov);
1250 /* SR-IOV capability was enabled but there are no VFs*/
1251 if (iov->total == 0) {
1256 iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param);
1258 DP(BNX2X_MSG_IOV, "num_vfs_param was %d, nr_virtfn was %d\n",
1259 num_vfs_param, iov->nr_virtfn);
1261 /* allocate the vf array */
1262 bp->vfdb->vfs = kcalloc(BNX2X_NR_VIRTFN(bp),
1263 sizeof(struct bnx2x_virtf),
1265 if (!bp->vfdb->vfs) {
1266 BNX2X_ERR("failed to allocate vf array\n");
1271 /* Initial VF init - index and abs_vfid - nr_virtfn must be set */
1272 for_each_vf(bp, i) {
1273 bnx2x_vf(bp, i, index) = i;
1274 bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i;
1275 bnx2x_vf(bp, i, state) = VF_FREE;
1276 mutex_init(&bnx2x_vf(bp, i, op_mutex));
1277 bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE;
1280 /* re-read the IGU CAM for VFs - index and abs_vfid must be set */
1281 if (!bnx2x_get_vf_igu_cam_info(bp)) {
1282 BNX2X_ERR("No entries in IGU CAM for vfs\n");
1287 /* allocate the queue arrays for all VFs */
1288 bp->vfdb->vfqs = kcalloc(BNX2X_MAX_NUM_VF_QUEUES,
1289 sizeof(struct bnx2x_vf_queue),
1292 if (!bp->vfdb->vfqs) {
1293 BNX2X_ERR("failed to allocate vf queue array\n");
1298 /* Prepare the VFs event synchronization mechanism */
1299 mutex_init(&bp->vfdb->event_mutex);
1301 mutex_init(&bp->vfdb->bulletin_mutex);
1303 if (SHMEM2_HAS(bp, sriov_switch_mode))
1304 SHMEM2_WR(bp, sriov_switch_mode, SRIOV_SWITCH_MODE_VEB);
1308 DP(BNX2X_MSG_IOV, "Failed err=%d\n", err);
1309 __bnx2x_iov_free_vfdb(bp);
1313 void bnx2x_iov_remove_one(struct bnx2x *bp)
1317 /* if SRIOV is not enabled there's nothing to do */
1321 bnx2x_disable_sriov(bp);
1323 /* disable access to all VFs */
1324 for (vf_idx = 0; vf_idx < bp->vfdb->sriov.total; vf_idx++) {
1325 bnx2x_pretend_func(bp,
1327 bp->vfdb->sriov.first_vf_in_pf +
1329 DP(BNX2X_MSG_IOV, "disabling internal access for vf %d\n",
1330 bp->vfdb->sriov.first_vf_in_pf + vf_idx);
1331 bnx2x_vf_enable_internal(bp, 0);
1332 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1335 /* free vf database */
1336 __bnx2x_iov_free_vfdb(bp);
1339 void bnx2x_iov_free_mem(struct bnx2x *bp)
1346 /* free vfs hw contexts */
1347 for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
1348 struct hw_dma *cxt = &bp->vfdb->context[i];
1349 BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size);
1352 BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr,
1353 BP_VFDB(bp)->sp_dma.mapping,
1354 BP_VFDB(bp)->sp_dma.size);
1356 BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr,
1357 BP_VF_MBX_DMA(bp)->mapping,
1358 BP_VF_MBX_DMA(bp)->size);
1360 BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr,
1361 BP_VF_BULLETIN_DMA(bp)->mapping,
1362 BP_VF_BULLETIN_DMA(bp)->size);
1365 int bnx2x_iov_alloc_mem(struct bnx2x *bp)
1373 /* allocate vfs hw contexts */
1374 tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) *
1375 BNX2X_CIDS_PER_VF * sizeof(union cdu_context);
1377 for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
1378 struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i);
1379 cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ);
1382 cxt->addr = BNX2X_PCI_ALLOC(&cxt->mapping, cxt->size);
1389 tot_size -= cxt->size;
1392 /* allocate vfs ramrods dma memory - client_init and set_mac */
1393 tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp);
1394 BP_VFDB(bp)->sp_dma.addr = BNX2X_PCI_ALLOC(&BP_VFDB(bp)->sp_dma.mapping,
1396 if (!BP_VFDB(bp)->sp_dma.addr)
1398 BP_VFDB(bp)->sp_dma.size = tot_size;
1400 /* allocate mailboxes */
1401 tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE;
1402 BP_VF_MBX_DMA(bp)->addr = BNX2X_PCI_ALLOC(&BP_VF_MBX_DMA(bp)->mapping,
1404 if (!BP_VF_MBX_DMA(bp)->addr)
1407 BP_VF_MBX_DMA(bp)->size = tot_size;
1409 /* allocate local bulletin boards */
1410 tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE;
1411 BP_VF_BULLETIN_DMA(bp)->addr = BNX2X_PCI_ALLOC(&BP_VF_BULLETIN_DMA(bp)->mapping,
1413 if (!BP_VF_BULLETIN_DMA(bp)->addr)
1416 BP_VF_BULLETIN_DMA(bp)->size = tot_size;
1424 static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
1425 struct bnx2x_vf_queue *q)
1427 u8 cl_id = vfq_cl_id(vf, q);
1428 u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
1429 unsigned long q_type = 0;
1431 set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
1432 set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
1434 /* Queue State object */
1435 bnx2x_init_queue_obj(bp, &q->sp_obj,
1436 cl_id, &q->cid, 1, func_id,
1437 bnx2x_vf_sp(bp, vf, q_data),
1438 bnx2x_vf_sp_map(bp, vf, q_data),
1441 /* sp indication is set only when vlan/mac/etc. are initialized */
1442 q->sp_initialized = false;
1445 "initialized vf %d's queue object. func id set to %d. cid set to 0x%x\n",
1446 vf->abs_vfid, q->sp_obj.func_id, q->cid);
1449 static int bnx2x_max_speed_cap(struct bnx2x *bp)
1451 u32 supported = bp->port.supported[bnx2x_get_link_cfg_idx(bp)];
1454 (SUPPORTED_20000baseMLD2_Full | SUPPORTED_20000baseKR2_Full))
1457 return 10000; /* assume lowest supported speed is 10G */
1460 int bnx2x_iov_link_update_vf(struct bnx2x *bp, int idx)
1462 struct bnx2x_link_report_data *state = &bp->last_reported_link;
1463 struct pf_vf_bulletin_content *bulletin;
1464 struct bnx2x_virtf *vf;
1468 /* sanity and init */
1469 rc = bnx2x_vf_op_prep(bp, idx, &vf, &bulletin, false);
1473 mutex_lock(&bp->vfdb->bulletin_mutex);
1475 if (vf->link_cfg == IFLA_VF_LINK_STATE_AUTO) {
1476 bulletin->valid_bitmap |= 1 << LINK_VALID;
1478 bulletin->link_speed = state->line_speed;
1479 bulletin->link_flags = 0;
1480 if (test_bit(BNX2X_LINK_REPORT_LINK_DOWN,
1481 &state->link_report_flags))
1482 bulletin->link_flags |= VFPF_LINK_REPORT_LINK_DOWN;
1483 if (test_bit(BNX2X_LINK_REPORT_FD,
1484 &state->link_report_flags))
1485 bulletin->link_flags |= VFPF_LINK_REPORT_FULL_DUPLEX;
1486 if (test_bit(BNX2X_LINK_REPORT_RX_FC_ON,
1487 &state->link_report_flags))
1488 bulletin->link_flags |= VFPF_LINK_REPORT_RX_FC_ON;
1489 if (test_bit(BNX2X_LINK_REPORT_TX_FC_ON,
1490 &state->link_report_flags))
1491 bulletin->link_flags |= VFPF_LINK_REPORT_TX_FC_ON;
1492 } else if (vf->link_cfg == IFLA_VF_LINK_STATE_DISABLE &&
1493 !(bulletin->link_flags & VFPF_LINK_REPORT_LINK_DOWN)) {
1494 bulletin->valid_bitmap |= 1 << LINK_VALID;
1495 bulletin->link_flags |= VFPF_LINK_REPORT_LINK_DOWN;
1496 } else if (vf->link_cfg == IFLA_VF_LINK_STATE_ENABLE &&
1497 (bulletin->link_flags & VFPF_LINK_REPORT_LINK_DOWN)) {
1498 bulletin->valid_bitmap |= 1 << LINK_VALID;
1499 bulletin->link_speed = bnx2x_max_speed_cap(bp);
1500 bulletin->link_flags &= ~VFPF_LINK_REPORT_LINK_DOWN;
1506 DP(NETIF_MSG_LINK | BNX2X_MSG_IOV,
1507 "vf %d mode %u speed %d flags %x\n", idx,
1508 vf->link_cfg, bulletin->link_speed, bulletin->link_flags);
1510 /* Post update on VF's bulletin board */
1511 rc = bnx2x_post_vf_bulletin(bp, idx);
1513 BNX2X_ERR("failed to update VF[%d] bulletin\n", idx);
1519 mutex_unlock(&bp->vfdb->bulletin_mutex);
1523 int bnx2x_set_vf_link_state(struct net_device *dev, int idx, int link_state)
1525 struct bnx2x *bp = netdev_priv(dev);
1526 struct bnx2x_virtf *vf = BP_VF(bp, idx);
1531 if (vf->link_cfg == link_state)
1532 return 0; /* nothing todo */
1534 vf->link_cfg = link_state;
1536 return bnx2x_iov_link_update_vf(bp, idx);
1539 void bnx2x_iov_link_update(struct bnx2x *bp)
1546 for_each_vf(bp, vfid)
1547 bnx2x_iov_link_update_vf(bp, vfid);
1550 /* called by bnx2x_nic_load */
1551 int bnx2x_iov_nic_init(struct bnx2x *bp)
1555 if (!IS_SRIOV(bp)) {
1556 DP(BNX2X_MSG_IOV, "vfdb was not allocated\n");
1560 DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn);
1562 /* let FLR complete ... */
1565 /* initialize vf database */
1566 for_each_vf(bp, vfid) {
1567 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
1569 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) *
1572 union cdu_context *base_cxt = (union cdu_context *)
1573 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
1574 (base_vf_cid & (ILT_PAGE_CIDS-1));
1577 "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n",
1578 vf->abs_vfid, vf_sb_count(vf), base_vf_cid,
1579 BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt);
1581 /* init statically provisioned resources */
1582 bnx2x_iov_static_resc(bp, vf);
1584 /* queues are initialized during VF-ACQUIRE */
1585 vf->filter_state = 0;
1586 vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id);
1588 bnx2x_init_credit_pool(&vf->vf_vlans_pool, 0,
1589 vf_vlan_rules_cnt(vf));
1590 bnx2x_init_credit_pool(&vf->vf_macs_pool, 0,
1591 vf_mac_rules_cnt(vf));
1593 /* init mcast object - This object will be re-initialized
1594 * during VF-ACQUIRE with the proper cl_id and cid.
1595 * It needs to be initialized here so that it can be safely
1596 * handled by a subsequent FLR flow.
1598 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF,
1600 bnx2x_vf_sp(bp, vf, mcast_rdata),
1601 bnx2x_vf_sp_map(bp, vf, mcast_rdata),
1602 BNX2X_FILTER_MCAST_PENDING,
1604 BNX2X_OBJ_TYPE_RX_TX);
1606 /* set the mailbox message addresses */
1607 BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *)
1608 (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid *
1609 MBX_MSG_ALIGNED_SIZE);
1611 BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping +
1612 vfid * MBX_MSG_ALIGNED_SIZE;
1614 /* Enable vf mailbox */
1615 bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
1619 for_each_vf(bp, vfid) {
1620 struct bnx2x_virtf *vf = BP_VF(bp, vfid);
1622 /* fill in the BDF and bars */
1623 vf->domain = bnx2x_vf_domain(bp, vfid);
1624 vf->bus = bnx2x_vf_bus(bp, vfid);
1625 vf->devfn = bnx2x_vf_devfn(bp, vfid);
1626 bnx2x_vf_set_bars(bp, vf);
1629 "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n",
1630 vf->abs_vfid, vf->bus, vf->devfn,
1631 (unsigned)vf->bars[0].bar, vf->bars[0].size,
1632 (unsigned)vf->bars[1].bar, vf->bars[1].size,
1633 (unsigned)vf->bars[2].bar, vf->bars[2].size);
1639 /* called by bnx2x_chip_cleanup */
1640 int bnx2x_iov_chip_cleanup(struct bnx2x *bp)
1647 /* release all the VFs */
1649 bnx2x_vf_release(bp, BP_VF(bp, i));
1654 /* called by bnx2x_init_hw_func, returns the next ilt line */
1655 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line)
1658 struct bnx2x_ilt *ilt = BP_ILT(bp);
1663 /* set vfs ilt lines */
1664 for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
1665 struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i);
1667 ilt->lines[line+i].page = hw_cxt->addr;
1668 ilt->lines[line+i].page_mapping = hw_cxt->mapping;
1669 ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */
1674 static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid)
1676 return ((cid >= BNX2X_FIRST_VF_CID) &&
1677 ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS));
1681 void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp,
1682 struct bnx2x_vf_queue *vfq,
1683 union event_ring_elem *elem)
1685 unsigned long ramrod_flags = 0;
1687 u32 echo = le32_to_cpu(elem->message.data.eth_event.echo);
1689 /* Always push next commands out, don't wait here */
1690 set_bit(RAMROD_CONT, &ramrod_flags);
1692 switch (echo >> BNX2X_SWCID_SHIFT) {
1693 case BNX2X_FILTER_MAC_PENDING:
1694 rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem,
1697 case BNX2X_FILTER_VLAN_PENDING:
1698 rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem,
1702 BNX2X_ERR("Unsupported classification command: 0x%x\n", echo);
1706 BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
1708 DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n");
1712 void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp,
1713 struct bnx2x_virtf *vf)
1715 struct bnx2x_mcast_ramrod_params rparam = {NULL};
1718 rparam.mcast_obj = &vf->mcast_obj;
1719 vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw);
1721 /* If there are pending mcast commands - send them */
1722 if (vf->mcast_obj.check_pending(&vf->mcast_obj)) {
1723 rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
1725 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
1731 void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp,
1732 struct bnx2x_virtf *vf)
1734 smp_mb__before_atomic();
1735 clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
1736 smp_mb__after_atomic();
1739 static void bnx2x_vf_handle_rss_update_eqe(struct bnx2x *bp,
1740 struct bnx2x_virtf *vf)
1742 vf->rss_conf_obj.raw.clear_pending(&vf->rss_conf_obj.raw);
1745 int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem)
1747 struct bnx2x_virtf *vf;
1748 int qidx = 0, abs_vfid;
1755 /* first get the cid - the only events we handle here are cfc-delete
1756 * and set-mac completion
1758 opcode = elem->message.opcode;
1761 case EVENT_RING_OPCODE_CFC_DEL:
1762 cid = SW_CID(elem->message.data.cfc_del_event.cid);
1763 DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid);
1765 case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
1766 case EVENT_RING_OPCODE_MULTICAST_RULES:
1767 case EVENT_RING_OPCODE_FILTERS_RULES:
1768 case EVENT_RING_OPCODE_RSS_UPDATE_RULES:
1769 cid = SW_CID(elem->message.data.eth_event.echo);
1770 DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid);
1772 case EVENT_RING_OPCODE_VF_FLR:
1773 abs_vfid = elem->message.data.vf_flr_event.vf_id;
1774 DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n",
1777 case EVENT_RING_OPCODE_MALICIOUS_VF:
1778 abs_vfid = elem->message.data.malicious_vf_event.vf_id;
1779 BNX2X_ERR("Got VF MALICIOUS notification abs_vfid=%d err_id=0x%x\n",
1781 elem->message.data.malicious_vf_event.err_id);
1787 /* check if the cid is the VF range */
1788 if (!bnx2x_iov_is_vf_cid(bp, cid)) {
1789 DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid);
1793 /* extract vf and rxq index from vf_cid - relies on the following:
1794 * 1. vfid on cid reflects the true abs_vfid
1795 * 2. The max number of VFs (per path) is 64
1797 qidx = cid & ((1 << BNX2X_VF_CID_WND)-1);
1798 abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
1800 vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
1803 BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n",
1809 case EVENT_RING_OPCODE_CFC_DEL:
1810 DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n",
1811 vf->abs_vfid, qidx);
1812 vfq_get(vf, qidx)->sp_obj.complete_cmd(bp,
1815 BNX2X_Q_CMD_CFC_DEL);
1817 case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
1818 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n",
1819 vf->abs_vfid, qidx);
1820 bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem);
1822 case EVENT_RING_OPCODE_MULTICAST_RULES:
1823 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n",
1824 vf->abs_vfid, qidx);
1825 bnx2x_vf_handle_mcast_eqe(bp, vf);
1827 case EVENT_RING_OPCODE_FILTERS_RULES:
1828 DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n",
1829 vf->abs_vfid, qidx);
1830 bnx2x_vf_handle_filters_eqe(bp, vf);
1832 case EVENT_RING_OPCODE_RSS_UPDATE_RULES:
1833 DP(BNX2X_MSG_IOV, "got VF [%d:%d] RSS update ramrod\n",
1834 vf->abs_vfid, qidx);
1835 bnx2x_vf_handle_rss_update_eqe(bp, vf);
1837 case EVENT_RING_OPCODE_VF_FLR:
1838 /* Do nothing for now */
1840 case EVENT_RING_OPCODE_MALICIOUS_VF:
1841 vf->malicious = true;
1848 static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid)
1850 /* extract the vf from vf_cid - relies on the following:
1851 * 1. vfid on cid reflects the true abs_vfid
1852 * 2. The max number of VFs (per path) is 64
1854 int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
1855 return bnx2x_vf_by_abs_fid(bp, abs_vfid);
1858 void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
1859 struct bnx2x_queue_sp_obj **q_obj)
1861 struct bnx2x_virtf *vf;
1866 vf = bnx2x_vf_by_cid(bp, vf_cid);
1869 /* extract queue index from vf_cid - relies on the following:
1870 * 1. vfid on cid reflects the true abs_vfid
1871 * 2. The max number of VFs (per path) is 64
1873 int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1);
1874 *q_obj = &bnx2x_vfq(vf, q_index, sp_obj);
1876 BNX2X_ERR("No vf matching cid %d\n", vf_cid);
1880 void bnx2x_iov_adjust_stats_req(struct bnx2x *bp)
1883 int first_queue_query_index, num_queues_req;
1884 dma_addr_t cur_data_offset;
1885 struct stats_query_entry *cur_query_entry;
1887 bool is_fcoe = false;
1895 /* fcoe adds one global request and one queue request */
1896 num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe;
1897 first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX -
1900 DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS),
1901 "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",
1902 BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index,
1903 first_queue_query_index + num_queues_req);
1905 cur_data_offset = bp->fw_stats_data_mapping +
1906 offsetof(struct bnx2x_fw_stats_data, queue_stats) +
1907 num_queues_req * sizeof(struct per_queue_stats);
1909 cur_query_entry = &bp->fw_stats_req->
1910 query[first_queue_query_index + num_queues_req];
1912 for_each_vf(bp, i) {
1914 struct bnx2x_virtf *vf = BP_VF(bp, i);
1916 if (vf->state != VF_ENABLED) {
1917 DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS),
1918 "vf %d not enabled so no stats for it\n",
1923 if (vf->malicious) {
1924 DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS),
1925 "vf %d malicious so no stats for it\n",
1930 DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS),
1931 "add addresses for vf %d\n", vf->abs_vfid);
1932 for_each_vfq(vf, j) {
1933 struct bnx2x_vf_queue *rxq = vfq_get(vf, j);
1935 dma_addr_t q_stats_addr =
1936 vf->fw_stat_map + j * vf->stats_stride;
1938 /* collect stats fro active queues only */
1939 if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) ==
1940 BNX2X_Q_LOGICAL_STATE_STOPPED)
1943 /* create stats query entry for this queue */
1944 cur_query_entry->kind = STATS_TYPE_QUEUE;
1945 cur_query_entry->index = vfq_stat_id(vf, rxq);
1946 cur_query_entry->funcID =
1947 cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid));
1948 cur_query_entry->address.hi =
1949 cpu_to_le32(U64_HI(q_stats_addr));
1950 cur_query_entry->address.lo =
1951 cpu_to_le32(U64_LO(q_stats_addr));
1952 DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS),
1953 "added address %x %x for vf %d queue %d client %d\n",
1954 cur_query_entry->address.hi,
1955 cur_query_entry->address.lo,
1956 cur_query_entry->funcID,
1957 j, cur_query_entry->index);
1959 cur_data_offset += sizeof(struct per_queue_stats);
1962 /* all stats are coalesced to the leading queue */
1963 if (vf->cfg_flags & VF_CFG_STATS_COALESCE)
1967 bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count;
1970 /* VF API helpers */
1971 static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid,
1974 u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4;
1975 u32 val = enable ? (abs_vfid | (1 << 6)) : 0;
1977 REG_WR(bp, reg, val);
1980 static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf)
1985 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
1986 vfq_qzone_id(vf, vfq_get(vf, i)), false);
1989 static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf)
1993 /* clear the VF configuration - pretend */
1994 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1995 val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
1996 val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN |
1997 IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK);
1998 REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
1999 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2002 u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf)
2004 return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF),
2005 BNX2X_VF_MAX_QUEUES);
2009 int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf,
2010 struct vf_pf_resc_request *req_resc)
2012 u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2013 u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2015 return ((req_resc->num_rxqs <= rxq_cnt) &&
2016 (req_resc->num_txqs <= txq_cnt) &&
2017 (req_resc->num_sbs <= vf_sb_count(vf)) &&
2018 (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) &&
2019 (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf)));
2023 int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
2024 struct vf_pf_resc_request *resc)
2026 int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) *
2029 union cdu_context *base_cxt = (union cdu_context *)
2030 BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2031 (base_vf_cid & (ILT_PAGE_CIDS-1));
2034 /* if state is 'acquired' the VF was not released or FLR'd, in
2035 * this case the returned resources match the acquired already
2036 * acquired resources. Verify that the requested numbers do
2037 * not exceed the already acquired numbers.
2039 if (vf->state == VF_ACQUIRED) {
2040 DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n",
2043 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2044 BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n",
2051 /* Otherwise vf state must be 'free' or 'reset' */
2052 if (vf->state != VF_FREE && vf->state != VF_RESET) {
2053 BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n",
2054 vf->abs_vfid, vf->state);
2058 /* static allocation:
2059 * the global maximum number are fixed per VF. Fail the request if
2060 * requested number exceed these globals
2062 if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2064 "cannot fulfill vf resource request. Placing maximal available values in response\n");
2065 /* set the max resource in the vf */
2069 /* Set resources counters - 0 request means max available */
2070 vf_sb_count(vf) = resc->num_sbs;
2071 vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2072 vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2075 "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n",
2076 vf_sb_count(vf), vf_rxq_count(vf),
2077 vf_txq_count(vf), vf_mac_rules_cnt(vf),
2078 vf_vlan_rules_cnt(vf));
2080 /* Initialize the queues */
2082 DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n");
2086 for_each_vfq(vf, i) {
2087 struct bnx2x_vf_queue *q = vfq_get(vf, i);
2090 BNX2X_ERR("q number %d was not allocated\n", i);
2095 q->cxt = &((base_cxt + i)->eth);
2096 q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i;
2098 DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n",
2099 vf->abs_vfid, i, q->index, q->cid, q->cxt);
2101 /* init SP objects */
2102 bnx2x_vfq_init(bp, vf, q);
2104 vf->state = VF_ACQUIRED;
2108 int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map)
2110 struct bnx2x_func_init_params func_init = {0};
2113 /* the sb resources are initialized at this point, do the
2114 * FW/HW initializations
2116 for_each_vf_sb(vf, i)
2117 bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true,
2118 vf_igu_sb(vf, i), vf_igu_sb(vf, i));
2121 if (vf->state != VF_ACQUIRED) {
2122 DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n",
2123 vf->abs_vfid, vf->state);
2127 /* let FLR complete ... */
2130 /* FLR cleanup epilogue */
2131 if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid))
2134 /* reset IGU VF statistics: MSIX */
2135 REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0);
2137 /* function setup */
2138 func_init.pf_id = BP_FUNC(bp);
2139 func_init.func_id = FW_VF_HANDLE(vf->abs_vfid);
2140 bnx2x_func_init(bp, &func_init);
2143 bnx2x_vf_enable_access(bp, vf->abs_vfid);
2144 bnx2x_vf_enable_traffic(bp, vf);
2146 /* queue protection table */
2148 bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2149 vfq_qzone_id(vf, vfq_get(vf, i)), true);
2151 vf->state = VF_ENABLED;
2153 /* update vf bulletin board */
2154 bnx2x_post_vf_bulletin(bp, vf->index);
2159 struct set_vf_state_cookie {
2160 struct bnx2x_virtf *vf;
2164 static void bnx2x_set_vf_state(void *cookie)
2166 struct set_vf_state_cookie *p = (struct set_vf_state_cookie *)cookie;
2168 p->vf->state = p->state;
2171 int bnx2x_vf_close(struct bnx2x *bp, struct bnx2x_virtf *vf)
2175 DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid);
2177 /* Close all queues */
2178 for (i = 0; i < vf_rxq_count(vf); i++) {
2179 rc = bnx2x_vf_queue_teardown(bp, vf, i);
2184 /* disable the interrupts */
2185 DP(BNX2X_MSG_IOV, "disabling igu\n");
2186 bnx2x_vf_igu_disable(bp, vf);
2188 /* disable the VF */
2189 DP(BNX2X_MSG_IOV, "clearing qtbl\n");
2190 bnx2x_vf_clr_qtbl(bp, vf);
2192 /* need to make sure there are no outstanding stats ramrods which may
2193 * cause the device to access the VF's stats buffer which it will free
2194 * as soon as we return from the close flow.
2197 struct set_vf_state_cookie cookie;
2200 cookie.state = VF_ACQUIRED;
2201 rc = bnx2x_stats_safe_exec(bp, bnx2x_set_vf_state, &cookie);
2206 DP(BNX2X_MSG_IOV, "set state to acquired\n");
2210 BNX2X_ERR("vf[%d] CLOSE error: rc %d\n", vf->abs_vfid, rc);
2214 /* VF release can be called either: 1. The VF was acquired but
2215 * not enabled 2. the vf was enabled or in the process of being
2218 int bnx2x_vf_free(struct bnx2x *bp, struct bnx2x_virtf *vf)
2222 DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid,
2223 vf->state == VF_FREE ? "Free" :
2224 vf->state == VF_ACQUIRED ? "Acquired" :
2225 vf->state == VF_ENABLED ? "Enabled" :
2226 vf->state == VF_RESET ? "Reset" :
2229 switch (vf->state) {
2231 rc = bnx2x_vf_close(bp, vf);
2234 /* Fallthrough to release resources */
2236 DP(BNX2X_MSG_IOV, "about to free resources\n");
2237 bnx2x_vf_free_resc(bp, vf);
2247 BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, rc);
2251 int bnx2x_vf_rss_update(struct bnx2x *bp, struct bnx2x_virtf *vf,
2252 struct bnx2x_config_rss_params *rss)
2254 DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid);
2255 set_bit(RAMROD_COMP_WAIT, &rss->ramrod_flags);
2256 return bnx2x_config_rss(bp, rss);
2259 int bnx2x_vf_tpa_update(struct bnx2x *bp, struct bnx2x_virtf *vf,
2260 struct vfpf_tpa_tlv *tlv,
2261 struct bnx2x_queue_update_tpa_params *params)
2263 aligned_u64 *sge_addr = tlv->tpa_client_info.sge_addr;
2264 struct bnx2x_queue_state_params qstate;
2267 DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid);
2269 /* Set ramrod params */
2270 memset(&qstate, 0, sizeof(struct bnx2x_queue_state_params));
2271 memcpy(&qstate.params.update_tpa, params,
2272 sizeof(struct bnx2x_queue_update_tpa_params));
2273 qstate.cmd = BNX2X_Q_CMD_UPDATE_TPA;
2274 set_bit(RAMROD_COMP_WAIT, &qstate.ramrod_flags);
2276 for (qid = 0; qid < vf_rxq_count(vf); qid++) {
2277 qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj);
2278 qstate.params.update_tpa.sge_map = sge_addr[qid];
2279 DP(BNX2X_MSG_IOV, "sge_addr[%d:%d] %08x:%08x\n",
2280 vf->abs_vfid, qid, U64_HI(sge_addr[qid]),
2281 U64_LO(sge_addr[qid]));
2282 rc = bnx2x_queue_state_change(bp, &qstate);
2284 BNX2X_ERR("Failed to configure sge_addr %08x:%08x for [%d:%d]\n",
2285 U64_HI(sge_addr[qid]), U64_LO(sge_addr[qid]),
2294 /* VF release ~ VF close + VF release-resources
2295 * Release is the ultimate SW shutdown and is called whenever an
2296 * irrecoverable error is encountered.
2298 int bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf)
2302 DP(BNX2X_MSG_IOV, "PF releasing vf %d\n", vf->abs_vfid);
2303 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
2305 rc = bnx2x_vf_free(bp, vf);
2308 "VF[%d] Failed to allocate resources for release op- rc=%d\n",
2310 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
2314 void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
2315 enum channel_tlvs tlv)
2317 /* we don't lock the channel for unsupported tlvs */
2318 if (!bnx2x_tlv_supported(tlv)) {
2319 BNX2X_ERR("attempting to lock with unsupported tlv. Aborting\n");
2323 /* lock the channel */
2324 mutex_lock(&vf->op_mutex);
2326 /* record the locking op */
2327 vf->op_current = tlv;
2330 DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n",
2334 void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
2335 enum channel_tlvs expected_tlv)
2337 enum channel_tlvs current_tlv;
2340 BNX2X_ERR("VF was %p\n", vf);
2344 current_tlv = vf->op_current;
2346 /* we don't unlock the channel for unsupported tlvs */
2347 if (!bnx2x_tlv_supported(expected_tlv))
2350 WARN(expected_tlv != vf->op_current,
2351 "lock mismatch: expected %d found %d", expected_tlv,
2354 /* record the locking op */
2355 vf->op_current = CHANNEL_TLV_NONE;
2357 /* lock the channel */
2358 mutex_unlock(&vf->op_mutex);
2360 /* log the unlock */
2361 DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n",
2362 vf->abs_vfid, current_tlv);
2365 static int bnx2x_set_pf_tx_switching(struct bnx2x *bp, bool enable)
2367 struct bnx2x_queue_state_params q_params;
2371 /* Verify changes are needed and record current Tx switching state */
2372 prev_flags = bp->flags;
2374 bp->flags |= TX_SWITCHING;
2376 bp->flags &= ~TX_SWITCHING;
2377 if (prev_flags == bp->flags)
2380 /* Verify state enables the sending of queue ramrods */
2381 if ((bp->state != BNX2X_STATE_OPEN) ||
2382 (bnx2x_get_q_logical_state(bp,
2383 &bnx2x_sp_obj(bp, &bp->fp[0]).q_obj) !=
2384 BNX2X_Q_LOGICAL_STATE_ACTIVE))
2387 /* send q. update ramrod to configure Tx switching */
2388 memset(&q_params, 0, sizeof(q_params));
2389 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
2390 q_params.cmd = BNX2X_Q_CMD_UPDATE;
2391 __set_bit(BNX2X_Q_UPDATE_TX_SWITCHING_CHNG,
2392 &q_params.params.update.update_flags);
2394 __set_bit(BNX2X_Q_UPDATE_TX_SWITCHING,
2395 &q_params.params.update.update_flags);
2397 __clear_bit(BNX2X_Q_UPDATE_TX_SWITCHING,
2398 &q_params.params.update.update_flags);
2400 /* send the ramrod on all the queues of the PF */
2401 for_each_eth_queue(bp, i) {
2402 struct bnx2x_fastpath *fp = &bp->fp[i];
2405 /* Set the appropriate Queue object */
2406 q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj;
2408 for (tx_idx = FIRST_TX_COS_INDEX;
2409 tx_idx < fp->max_cos; tx_idx++) {
2410 q_params.params.update.cid_index = tx_idx;
2412 /* Update the Queue state */
2413 rc = bnx2x_queue_state_change(bp, &q_params);
2415 BNX2X_ERR("Failed to configure Tx switching\n");
2421 DP(BNX2X_MSG_IOV, "%s Tx Switching\n", enable ? "Enabled" : "Disabled");
2425 int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param)
2427 struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev));
2429 if (!IS_SRIOV(bp)) {
2430 BNX2X_ERR("failed to configure SR-IOV since vfdb was not allocated. Check dmesg for errors in probe stage\n");
2434 DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n",
2435 num_vfs_param, BNX2X_NR_VIRTFN(bp));
2437 /* HW channel is only operational when PF is up */
2438 if (bp->state != BNX2X_STATE_OPEN) {
2439 BNX2X_ERR("VF num configuration via sysfs not supported while PF is down\n");
2443 /* we are always bound by the total_vfs in the configuration space */
2444 if (num_vfs_param > BNX2X_NR_VIRTFN(bp)) {
2445 BNX2X_ERR("truncating requested number of VFs (%d) down to maximum allowed (%d)\n",
2446 num_vfs_param, BNX2X_NR_VIRTFN(bp));
2447 num_vfs_param = BNX2X_NR_VIRTFN(bp);
2450 bp->requested_nr_virtfn = num_vfs_param;
2451 if (num_vfs_param == 0) {
2452 bnx2x_set_pf_tx_switching(bp, false);
2453 bnx2x_disable_sriov(bp);
2456 return bnx2x_enable_sriov(bp);
2460 #define IGU_ENTRY_SIZE 4
2462 int bnx2x_enable_sriov(struct bnx2x *bp)
2464 int rc = 0, req_vfs = bp->requested_nr_virtfn;
2465 int vf_idx, sb_idx, vfq_idx, qcount, first_vf;
2466 u32 igu_entry, address;
2472 first_vf = bp->vfdb->sriov.first_vf_in_pf;
2474 /* statically distribute vf sb pool between VFs */
2475 num_vf_queues = min_t(u16, BNX2X_VF_MAX_QUEUES,
2476 BP_VFDB(bp)->vf_sbs_pool / req_vfs);
2478 /* zero previous values learned from igu cam */
2479 for (vf_idx = 0; vf_idx < req_vfs; vf_idx++) {
2480 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
2483 vf_sb_count(BP_VF(bp, vf_idx)) = 0;
2485 bp->vfdb->vf_sbs_pool = 0;
2487 /* prepare IGU cam */
2488 sb_idx = BP_VFDB(bp)->first_vf_igu_entry;
2489 address = IGU_REG_MAPPING_MEMORY + sb_idx * IGU_ENTRY_SIZE;
2490 for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) {
2491 for (vfq_idx = 0; vfq_idx < num_vf_queues; vfq_idx++) {
2492 igu_entry = vf_idx << IGU_REG_MAPPING_MEMORY_FID_SHIFT |
2493 vfq_idx << IGU_REG_MAPPING_MEMORY_VECTOR_SHIFT |
2494 IGU_REG_MAPPING_MEMORY_VALID;
2495 DP(BNX2X_MSG_IOV, "assigning sb %d to vf %d\n",
2497 REG_WR(bp, address, igu_entry);
2499 address += IGU_ENTRY_SIZE;
2503 /* Reinitialize vf database according to igu cam */
2504 bnx2x_get_vf_igu_cam_info(bp);
2506 DP(BNX2X_MSG_IOV, "vf_sbs_pool %d, num_vf_queues %d\n",
2507 BP_VFDB(bp)->vf_sbs_pool, num_vf_queues);
2510 for_each_vf(bp, vf_idx) {
2511 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
2513 /* set local queue arrays */
2514 vf->vfqs = &bp->vfdb->vfqs[qcount];
2515 qcount += vf_sb_count(vf);
2516 bnx2x_iov_static_resc(bp, vf);
2519 /* prepare msix vectors in VF configuration space - the value in the
2520 * PCI configuration space should be the index of the last entry,
2521 * namely one less than the actual size of the table
2523 for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) {
2524 bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf_idx));
2525 REG_WR(bp, PCICFG_OFFSET + GRC_CONFIG_REG_VF_MSIX_CONTROL,
2527 DP(BNX2X_MSG_IOV, "set msix vec num in VF %d cfg space to %d\n",
2528 vf_idx, num_vf_queues - 1);
2530 bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2532 /* enable sriov. This will probe all the VFs, and consequentially cause
2533 * the "acquire" messages to appear on the VF PF channel.
2535 DP(BNX2X_MSG_IOV, "about to call enable sriov\n");
2536 bnx2x_disable_sriov(bp);
2538 rc = bnx2x_set_pf_tx_switching(bp, true);
2542 rc = pci_enable_sriov(bp->pdev, req_vfs);
2544 BNX2X_ERR("pci_enable_sriov failed with %d\n", rc);
2547 DP(BNX2X_MSG_IOV, "sriov enabled (%d vfs)\n", req_vfs);
2551 void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp)
2554 struct pf_vf_bulletin_content *bulletin;
2556 DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n");
2557 for_each_vf(bp, vfidx) {
2558 bulletin = BP_VF_BULLETIN(bp, vfidx);
2559 if (bulletin->valid_bitmap & (1 << VLAN_VALID))
2560 bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0,
2561 htons(ETH_P_8021Q));
2565 void bnx2x_disable_sriov(struct bnx2x *bp)
2567 if (pci_vfs_assigned(bp->pdev)) {
2569 "Unloading driver while VFs are assigned - VFs will not be deallocated\n");
2573 pci_disable_sriov(bp->pdev);
2576 static int bnx2x_vf_op_prep(struct bnx2x *bp, int vfidx,
2577 struct bnx2x_virtf **vf,
2578 struct pf_vf_bulletin_content **bulletin,
2581 if (bp->state != BNX2X_STATE_OPEN) {
2582 BNX2X_ERR("PF is down - can't utilize iov-related functionality\n");
2586 if (!IS_SRIOV(bp)) {
2587 BNX2X_ERR("sriov is disabled - can't utilize iov-related functionality\n");
2591 if (vfidx >= BNX2X_NR_VIRTFN(bp)) {
2592 BNX2X_ERR("VF is uninitialized - can't utilize iov-related functionality. vfidx was %d BNX2X_NR_VIRTFN was %d\n",
2593 vfidx, BNX2X_NR_VIRTFN(bp));
2598 *vf = BP_VF(bp, vfidx);
2599 *bulletin = BP_VF_BULLETIN(bp, vfidx);
2602 BNX2X_ERR("Unable to get VF structure for vfidx %d\n", vfidx);
2606 if (test_queue && !(*vf)->vfqs) {
2607 BNX2X_ERR("vfqs struct is null. Was this invoked before dynamically enabling SR-IOV? vfidx was %d\n",
2613 BNX2X_ERR("Bulletin Board struct is null for vfidx %d\n",
2621 int bnx2x_get_vf_config(struct net_device *dev, int vfidx,
2622 struct ifla_vf_info *ivi)
2624 struct bnx2x *bp = netdev_priv(dev);
2625 struct bnx2x_virtf *vf = NULL;
2626 struct pf_vf_bulletin_content *bulletin = NULL;
2627 struct bnx2x_vlan_mac_obj *mac_obj;
2628 struct bnx2x_vlan_mac_obj *vlan_obj;
2631 /* sanity and init */
2632 rc = bnx2x_vf_op_prep(bp, vfidx, &vf, &bulletin, true);
2636 mac_obj = &bnx2x_leading_vfq(vf, mac_obj);
2637 vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj);
2638 if (!mac_obj || !vlan_obj) {
2639 BNX2X_ERR("VF partially initialized\n");
2645 ivi->max_tx_rate = 10000; /* always 10G. TBA take from link struct */
2646 ivi->min_tx_rate = 0;
2647 ivi->spoofchk = 1; /*always enabled */
2648 if (vf->state == VF_ENABLED) {
2649 /* mac and vlan are in vlan_mac objects */
2650 if (bnx2x_validate_vf_sp_objs(bp, vf, false)) {
2651 mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac,
2653 vlan_obj->get_n_elements(bp, vlan_obj, 1,
2654 (u8 *)&ivi->vlan, 0,
2658 mutex_lock(&bp->vfdb->bulletin_mutex);
2660 if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID))
2661 /* mac configured by ndo so its in bulletin board */
2662 memcpy(&ivi->mac, bulletin->mac, ETH_ALEN);
2664 /* function has not been loaded yet. Show mac as 0s */
2665 eth_zero_addr(ivi->mac);
2668 if (bulletin->valid_bitmap & (1 << VLAN_VALID))
2669 /* vlan configured by ndo so its in bulletin board */
2670 memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN);
2672 /* function has not been loaded yet. Show vlans as 0s */
2673 memset(&ivi->vlan, 0, VLAN_HLEN);
2675 mutex_unlock(&bp->vfdb->bulletin_mutex);
2681 /* New mac for VF. Consider these cases:
2682 * 1. VF hasn't been acquired yet - save the mac in local bulletin board and
2683 * supply at acquire.
2684 * 2. VF has already been acquired but has not yet initialized - store in local
2685 * bulletin board. mac will be posted on VF bulletin board after VF init. VF
2686 * will configure this mac when it is ready.
2687 * 3. VF has already initialized but has not yet setup a queue - post the new
2688 * mac on VF's bulletin board right now. VF will configure this mac when it
2690 * 4. VF has already set a queue - delete any macs already configured for this
2691 * queue and manually config the new mac.
2692 * In any event, once this function has been called refuse any attempts by the
2693 * VF to configure any mac for itself except for this mac. In case of a race
2694 * where the VF fails to see the new post on its bulletin board before sending a
2695 * mac configuration request, the PF will simply fail the request and VF can try
2696 * again after consulting its bulletin board.
2698 int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac)
2700 struct bnx2x *bp = netdev_priv(dev);
2701 int rc, q_logical_state;
2702 struct bnx2x_virtf *vf = NULL;
2703 struct pf_vf_bulletin_content *bulletin = NULL;
2705 if (!is_valid_ether_addr(mac)) {
2706 BNX2X_ERR("mac address invalid\n");
2710 /* sanity and init */
2711 rc = bnx2x_vf_op_prep(bp, vfidx, &vf, &bulletin, true);
2715 mutex_lock(&bp->vfdb->bulletin_mutex);
2717 /* update PF's copy of the VF's bulletin. Will no longer accept mac
2718 * configuration requests from vf unless match this mac
2720 bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID;
2721 memcpy(bulletin->mac, mac, ETH_ALEN);
2723 /* Post update on VF's bulletin board */
2724 rc = bnx2x_post_vf_bulletin(bp, vfidx);
2726 /* release lock before checking return code */
2727 mutex_unlock(&bp->vfdb->bulletin_mutex);
2730 BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx);
2735 bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj));
2736 if (vf->state == VF_ENABLED &&
2737 q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
2738 /* configure the mac in device on this vf's queue */
2739 unsigned long ramrod_flags = 0;
2740 struct bnx2x_vlan_mac_obj *mac_obj;
2742 /* User should be able to see failure reason in system logs */
2743 if (!bnx2x_validate_vf_sp_objs(bp, vf, true))
2746 /* must lock vfpf channel to protect against vf flows */
2747 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
2749 /* remove existing eth macs */
2750 mac_obj = &bnx2x_leading_vfq(vf, mac_obj);
2751 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true);
2753 BNX2X_ERR("failed to delete eth macs\n");
2758 /* remove existing uc list macs */
2759 rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true);
2761 BNX2X_ERR("failed to delete uc_list macs\n");
2766 /* configure the new mac to device */
2767 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
2768 bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true,
2769 BNX2X_ETH_MAC, &ramrod_flags);
2772 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
2778 static void bnx2x_set_vf_vlan_acceptance(struct bnx2x *bp,
2779 struct bnx2x_virtf *vf, bool accept)
2781 struct bnx2x_rx_mode_ramrod_params rx_ramrod;
2782 unsigned long accept_flags;
2784 /* need to remove/add the VF's accept_any_vlan bit */
2785 accept_flags = bnx2x_leading_vfq(vf, accept_flags);
2787 set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
2789 clear_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags);
2791 bnx2x_vf_prep_rx_mode(bp, LEADING_IDX, &rx_ramrod, vf,
2793 bnx2x_leading_vfq(vf, accept_flags) = accept_flags;
2794 bnx2x_config_rx_mode(bp, &rx_ramrod);
2797 static int bnx2x_set_vf_vlan_filter(struct bnx2x *bp, struct bnx2x_virtf *vf,
2800 struct bnx2x_vlan_mac_ramrod_params ramrod_param;
2801 unsigned long ramrod_flags = 0;
2804 /* configure the new vlan to device */
2805 memset(&ramrod_param, 0, sizeof(ramrod_param));
2806 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
2807 ramrod_param.vlan_mac_obj = &bnx2x_leading_vfq(vf, vlan_obj);
2808 ramrod_param.ramrod_flags = ramrod_flags;
2809 ramrod_param.user_req.u.vlan.vlan = vlan;
2810 ramrod_param.user_req.cmd = add ? BNX2X_VLAN_MAC_ADD
2811 : BNX2X_VLAN_MAC_DEL;
2812 rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
2814 BNX2X_ERR("failed to configure vlan\n");
2821 int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos,
2824 struct pf_vf_bulletin_content *bulletin = NULL;
2825 struct bnx2x *bp = netdev_priv(dev);
2826 struct bnx2x_vlan_mac_obj *vlan_obj;
2827 unsigned long vlan_mac_flags = 0;
2828 unsigned long ramrod_flags = 0;
2829 struct bnx2x_virtf *vf = NULL;
2833 BNX2X_ERR("illegal vlan value %d\n", vlan);
2837 if (vlan_proto != htons(ETH_P_8021Q))
2838 return -EPROTONOSUPPORT;
2840 DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n",
2843 /* sanity and init */
2844 rc = bnx2x_vf_op_prep(bp, vfidx, &vf, &bulletin, true);
2848 /* update PF's copy of the VF's bulletin. No point in posting the vlan
2849 * to the VF since it doesn't have anything to do with it. But it useful
2850 * to store it here in case the VF is not up yet and we can only
2851 * configure the vlan later when it does. Treat vlan id 0 as remove the
2854 mutex_lock(&bp->vfdb->bulletin_mutex);
2857 bulletin->valid_bitmap |= 1 << VLAN_VALID;
2859 bulletin->valid_bitmap &= ~(1 << VLAN_VALID);
2860 bulletin->vlan = vlan;
2862 /* Post update on VF's bulletin board */
2863 rc = bnx2x_post_vf_bulletin(bp, vfidx);
2865 BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx);
2866 mutex_unlock(&bp->vfdb->bulletin_mutex);
2868 /* is vf initialized and queue set up? */
2869 if (vf->state != VF_ENABLED ||
2870 bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj)) !=
2871 BNX2X_Q_LOGICAL_STATE_ACTIVE)
2874 /* User should be able to see error in system logs */
2875 if (!bnx2x_validate_vf_sp_objs(bp, vf, true))
2878 /* must lock vfpf channel to protect against vf flows */
2879 bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
2881 /* remove existing vlans */
2882 __set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
2883 vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj);
2884 rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags,
2887 BNX2X_ERR("failed to delete vlans\n");
2892 /* clear accept_any_vlan when HV forces vlan, otherwise
2893 * according to VF capabilities
2895 if (vlan || !(vf->cfg_flags & VF_CFG_VLAN_FILTER))
2896 bnx2x_set_vf_vlan_acceptance(bp, vf, !vlan);
2898 rc = bnx2x_set_vf_vlan_filter(bp, vf, vlan, true);
2902 /* send queue update ramrods to configure default vlan and
2903 * silent vlan removal
2905 for_each_vfq(vf, i) {
2906 struct bnx2x_queue_state_params q_params = {NULL};
2907 struct bnx2x_queue_update_params *update_params;
2909 q_params.q_obj = &bnx2x_vfq(vf, i, sp_obj);
2911 /* validate the Q is UP */
2912 if (bnx2x_get_q_logical_state(bp, q_params.q_obj) !=
2913 BNX2X_Q_LOGICAL_STATE_ACTIVE)
2916 __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
2917 q_params.cmd = BNX2X_Q_CMD_UPDATE;
2918 update_params = &q_params.params.update;
2919 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
2920 &update_params->update_flags);
2921 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
2922 &update_params->update_flags);
2924 /* if vlan is 0 then we want to leave the VF traffic
2925 * untagged, and leave the incoming traffic untouched
2926 * (i.e. do not remove any vlan tags).
2928 __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
2929 &update_params->update_flags);
2930 __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
2931 &update_params->update_flags);
2933 /* configure default vlan to vf queue and set silent
2934 * vlan removal (the vf remains unaware of this vlan).
2936 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
2937 &update_params->update_flags);
2938 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
2939 &update_params->update_flags);
2940 update_params->def_vlan = vlan;
2941 update_params->silent_removal_value =
2942 vlan & VLAN_VID_MASK;
2943 update_params->silent_removal_mask = VLAN_VID_MASK;
2946 /* Update the Queue state */
2947 rc = bnx2x_queue_state_change(bp, &q_params);
2949 BNX2X_ERR("Failed to configure default VLAN queue %d\n",
2955 bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
2959 "updated VF[%d] vlan configuration (vlan = %d)\n",
2965 /* crc is the first field in the bulletin board. Compute the crc over the
2966 * entire bulletin board excluding the crc field itself. Use the length field
2967 * as the Bulletin Board was posted by a PF with possibly a different version
2968 * from the vf which will sample it. Therefore, the length is computed by the
2969 * PF and then used blindly by the VF.
2971 u32 bnx2x_crc_vf_bulletin(struct pf_vf_bulletin_content *bulletin)
2973 return crc32(BULLETIN_CRC_SEED,
2974 ((u8 *)bulletin) + sizeof(bulletin->crc),
2975 bulletin->length - sizeof(bulletin->crc));
2978 /* Check for new posts on the bulletin board */
2979 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
2981 struct pf_vf_bulletin_content *bulletin;
2984 /* sampling structure in mid post may result with corrupted data
2985 * validate crc to ensure coherency.
2987 for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) {
2990 /* sample the bulletin board */
2991 memcpy(&bp->shadow_bulletin, bp->pf2vf_bulletin,
2992 sizeof(union pf_vf_bulletin));
2994 crc = bnx2x_crc_vf_bulletin(&bp->shadow_bulletin.content);
2996 if (bp->shadow_bulletin.content.crc == crc)
2999 BNX2X_ERR("bad crc on bulletin board. Contained %x computed %x\n",
3000 bp->shadow_bulletin.content.crc, crc);
3003 if (attempts >= BULLETIN_ATTEMPTS) {
3004 BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n",
3006 return PFVF_BULLETIN_CRC_ERR;
3008 bulletin = &bp->shadow_bulletin.content;
3010 /* bulletin board hasn't changed since last sample */
3011 if (bp->old_bulletin.version == bulletin->version)
3012 return PFVF_BULLETIN_UNCHANGED;
3014 /* the mac address in bulletin board is valid and is new */
3015 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID &&
3016 !ether_addr_equal(bulletin->mac, bp->old_bulletin.mac)) {
3017 /* update new mac to net device */
3018 memcpy(bp->dev->dev_addr, bulletin->mac, ETH_ALEN);
3021 if (bulletin->valid_bitmap & (1 << LINK_VALID)) {
3022 DP(BNX2X_MSG_IOV, "link update speed %d flags %x\n",
3023 bulletin->link_speed, bulletin->link_flags);
3025 bp->vf_link_vars.line_speed = bulletin->link_speed;
3026 bp->vf_link_vars.link_report_flags = 0;
3028 if (bulletin->link_flags & VFPF_LINK_REPORT_LINK_DOWN)
3029 __set_bit(BNX2X_LINK_REPORT_LINK_DOWN,
3030 &bp->vf_link_vars.link_report_flags);
3032 if (bulletin->link_flags & VFPF_LINK_REPORT_FULL_DUPLEX)
3033 __set_bit(BNX2X_LINK_REPORT_FD,
3034 &bp->vf_link_vars.link_report_flags);
3035 /* Rx Flow Control is ON */
3036 if (bulletin->link_flags & VFPF_LINK_REPORT_RX_FC_ON)
3037 __set_bit(BNX2X_LINK_REPORT_RX_FC_ON,
3038 &bp->vf_link_vars.link_report_flags);
3039 /* Tx Flow Control is ON */
3040 if (bulletin->link_flags & VFPF_LINK_REPORT_TX_FC_ON)
3041 __set_bit(BNX2X_LINK_REPORT_TX_FC_ON,
3042 &bp->vf_link_vars.link_report_flags);
3043 __bnx2x_link_report(bp);
3046 /* copy new bulletin board to bp */
3047 memcpy(&bp->old_bulletin, bulletin,
3048 sizeof(struct pf_vf_bulletin_content));
3050 return PFVF_BULLETIN_UPDATED;
3053 void bnx2x_timer_sriov(struct bnx2x *bp)
3055 bnx2x_sample_bulletin(bp);
3057 /* if channel is down we need to self destruct */
3058 if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN)
3059 bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
3063 void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)
3065 /* vf doorbells are embedded within the regview */
3066 return bp->regview + PXP_VF_ADDR_DB_START;
3069 void bnx2x_vf_pci_dealloc(struct bnx2x *bp)
3071 BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3072 sizeof(struct bnx2x_vf_mbx_msg));
3073 BNX2X_PCI_FREE(bp->pf2vf_bulletin, bp->pf2vf_bulletin_mapping,
3074 sizeof(union pf_vf_bulletin));
3077 int bnx2x_vf_pci_alloc(struct bnx2x *bp)
3079 mutex_init(&bp->vf2pf_mutex);
3081 /* allocate vf2pf mailbox for vf to pf channel */
3082 bp->vf2pf_mbox = BNX2X_PCI_ALLOC(&bp->vf2pf_mbox_mapping,
3083 sizeof(struct bnx2x_vf_mbx_msg));
3084 if (!bp->vf2pf_mbox)
3087 /* allocate pf 2 vf bulletin board */
3088 bp->pf2vf_bulletin = BNX2X_PCI_ALLOC(&bp->pf2vf_bulletin_mapping,
3089 sizeof(union pf_vf_bulletin));
3090 if (!bp->pf2vf_bulletin)
3093 bnx2x_vf_bulletin_finalize(&bp->pf2vf_bulletin->content, true);
3098 bnx2x_vf_pci_dealloc(bp);
3102 void bnx2x_iov_channel_down(struct bnx2x *bp)
3105 struct pf_vf_bulletin_content *bulletin;
3110 for_each_vf(bp, vf_idx) {
3111 /* locate this VFs bulletin board and update the channel down
3114 bulletin = BP_VF_BULLETIN(bp, vf_idx);
3115 bulletin->valid_bitmap |= 1 << CHANNEL_DOWN;
3117 /* update vf bulletin board */
3118 bnx2x_post_vf_bulletin(bp, vf_idx);
3122 void bnx2x_iov_task(struct work_struct *work)
3124 struct bnx2x *bp = container_of(work, struct bnx2x, iov_task.work);
3126 if (!netif_running(bp->dev))
3129 if (test_and_clear_bit(BNX2X_IOV_HANDLE_FLR,
3130 &bp->iov_task_state))
3131 bnx2x_vf_handle_flr_event(bp);
3133 if (test_and_clear_bit(BNX2X_IOV_HANDLE_VF_MSG,
3134 &bp->iov_task_state))
3138 void bnx2x_schedule_iov_task(struct bnx2x *bp, enum bnx2x_iov_flag flag)
3140 smp_mb__before_atomic();
3141 set_bit(flag, &bp->iov_task_state);
3142 smp_mb__after_atomic();
3143 DP(BNX2X_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
3144 queue_delayed_work(bnx2x_iov_wq, &bp->iov_task, 0);