1 /* bnx2x_sriov.c: Broadcom Everest network driver.
3 * Copyright 2009-2013 Broadcom Corporation
5 * Unless you and Broadcom execute a separate written software license
6 * agreement governing use of this software, this software is licensed to you
7 * under the terms of the GNU General Public License version 2, available
8 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
10 * Notwithstanding the above, under no circumstances may you combine this
11 * software in any way with any other Broadcom software provided under a
12 * license other than the GPL, without Broadcom's express prior written
15 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
16 * Written by: Shmulik Ravid <shmulikr@broadcom.com>
17 * Ariel Elior <ariele@broadcom.com>
21 #include "bnx2x_init.h"
22 #include "bnx2x_cmn.h"
24 #include <linux/crc32.h>
25 #include <linux/if_vlan.h>
27 /* General service functions */
28 static void storm_memset_vf_to_pf(struct bnx2x
*bp
, u16 abs_fid
,
31 REG_WR8(bp
, BAR_XSTRORM_INTMEM
+ XSTORM_VF_TO_PF_OFFSET(abs_fid
),
33 REG_WR8(bp
, BAR_CSTRORM_INTMEM
+ CSTORM_VF_TO_PF_OFFSET(abs_fid
),
35 REG_WR8(bp
, BAR_TSTRORM_INTMEM
+ TSTORM_VF_TO_PF_OFFSET(abs_fid
),
37 REG_WR8(bp
, BAR_USTRORM_INTMEM
+ USTORM_VF_TO_PF_OFFSET(abs_fid
),
41 static void storm_memset_func_en(struct bnx2x
*bp
, u16 abs_fid
,
44 REG_WR8(bp
, BAR_XSTRORM_INTMEM
+ XSTORM_FUNC_EN_OFFSET(abs_fid
),
46 REG_WR8(bp
, BAR_CSTRORM_INTMEM
+ CSTORM_FUNC_EN_OFFSET(abs_fid
),
48 REG_WR8(bp
, BAR_TSTRORM_INTMEM
+ TSTORM_FUNC_EN_OFFSET(abs_fid
),
50 REG_WR8(bp
, BAR_USTRORM_INTMEM
+ USTORM_FUNC_EN_OFFSET(abs_fid
),
54 int bnx2x_vf_idx_by_abs_fid(struct bnx2x
*bp
, u16 abs_vfid
)
59 if (bnx2x_vf(bp
, idx
, abs_vfid
) == abs_vfid
)
65 struct bnx2x_virtf
*bnx2x_vf_by_abs_fid(struct bnx2x
*bp
, u16 abs_vfid
)
67 u16 idx
= (u16
)bnx2x_vf_idx_by_abs_fid(bp
, abs_vfid
);
68 return (idx
< BNX2X_NR_VIRTFN(bp
)) ? BP_VF(bp
, idx
) : NULL
;
71 static void bnx2x_vf_igu_ack_sb(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
,
72 u8 igu_sb_id
, u8 segment
, u16 index
, u8 op
,
75 /* acking a VF sb through the PF - use the GRC */
77 u32 igu_addr_data
= IGU_REG_COMMAND_REG_32LSB_DATA
;
78 u32 igu_addr_ctl
= IGU_REG_COMMAND_REG_CTRL
;
79 u32 func_encode
= vf
->abs_vfid
;
80 u32 addr_encode
= IGU_CMD_E2_PROD_UPD_BASE
+ igu_sb_id
;
81 struct igu_regular cmd_data
= {0};
83 cmd_data
.sb_id_and_flags
=
84 ((index
<< IGU_REGULAR_SB_INDEX_SHIFT
) |
85 (segment
<< IGU_REGULAR_SEGMENT_ACCESS_SHIFT
) |
86 (update
<< IGU_REGULAR_BUPDATE_SHIFT
) |
87 (op
<< IGU_REGULAR_ENABLE_INT_SHIFT
));
89 ctl
= addr_encode
<< IGU_CTRL_REG_ADDRESS_SHIFT
|
90 func_encode
<< IGU_CTRL_REG_FID_SHIFT
|
91 IGU_CTRL_CMD_TYPE_WR
<< IGU_CTRL_REG_TYPE_SHIFT
;
93 DP(NETIF_MSG_HW
, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
94 cmd_data
.sb_id_and_flags
, igu_addr_data
);
95 REG_WR(bp
, igu_addr_data
, cmd_data
.sb_id_and_flags
);
99 DP(NETIF_MSG_HW
, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
101 REG_WR(bp
, igu_addr_ctl
, ctl
);
105 /* VFOP - VF slow-path operation support */
107 #define BNX2X_VFOP_FILTER_ADD_CNT_MAX 0x10000
109 /* VFOP operations states */
110 enum bnx2x_vfop_qctor_state
{
111 BNX2X_VFOP_QCTOR_INIT
,
112 BNX2X_VFOP_QCTOR_SETUP
,
113 BNX2X_VFOP_QCTOR_INT_EN
116 enum bnx2x_vfop_qdtor_state
{
117 BNX2X_VFOP_QDTOR_HALT
,
118 BNX2X_VFOP_QDTOR_TERMINATE
,
119 BNX2X_VFOP_QDTOR_CFCDEL
,
120 BNX2X_VFOP_QDTOR_DONE
123 enum bnx2x_vfop_vlan_mac_state
{
124 BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE
,
125 BNX2X_VFOP_VLAN_MAC_CLEAR
,
126 BNX2X_VFOP_VLAN_MAC_CHK_DONE
,
127 BNX2X_VFOP_MAC_CONFIG_LIST
,
128 BNX2X_VFOP_VLAN_CONFIG_LIST
,
129 BNX2X_VFOP_VLAN_CONFIG_LIST_0
132 enum bnx2x_vfop_qsetup_state
{
133 BNX2X_VFOP_QSETUP_CTOR
,
134 BNX2X_VFOP_QSETUP_VLAN0
,
135 BNX2X_VFOP_QSETUP_DONE
138 enum bnx2x_vfop_mcast_state
{
139 BNX2X_VFOP_MCAST_DEL
,
140 BNX2X_VFOP_MCAST_ADD
,
141 BNX2X_VFOP_MCAST_CHK_DONE
143 enum bnx2x_vfop_qflr_state
{
144 BNX2X_VFOP_QFLR_CLR_VLAN
,
145 BNX2X_VFOP_QFLR_CLR_MAC
,
146 BNX2X_VFOP_QFLR_TERMINATE
,
150 enum bnx2x_vfop_flr_state
{
151 BNX2X_VFOP_FLR_QUEUES
,
155 enum bnx2x_vfop_close_state
{
156 BNX2X_VFOP_CLOSE_QUEUES
,
160 enum bnx2x_vfop_rxmode_state
{
161 BNX2X_VFOP_RXMODE_CONFIG
,
162 BNX2X_VFOP_RXMODE_DONE
165 enum bnx2x_vfop_qteardown_state
{
166 BNX2X_VFOP_QTEARDOWN_RXMODE
,
167 BNX2X_VFOP_QTEARDOWN_CLR_VLAN
,
168 BNX2X_VFOP_QTEARDOWN_CLR_MAC
,
169 BNX2X_VFOP_QTEARDOWN_QDTOR
,
170 BNX2X_VFOP_QTEARDOWN_DONE
173 #define bnx2x_vfop_reset_wq(vf) atomic_set(&vf->op_in_progress, 0)
175 void bnx2x_vfop_qctor_dump_tx(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
,
176 struct bnx2x_queue_init_params
*init_params
,
177 struct bnx2x_queue_setup_params
*setup_params
,
178 u16 q_idx
, u16 sb_idx
)
181 "VF[%d] Q_SETUP: txq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, flags=0x%lx, traffic-type=%d",
185 init_params
->tx
.sb_cq_index
,
186 init_params
->tx
.hc_rate
,
188 setup_params
->txq_params
.traffic_type
);
191 void bnx2x_vfop_qctor_dump_rx(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
,
192 struct bnx2x_queue_init_params
*init_params
,
193 struct bnx2x_queue_setup_params
*setup_params
,
194 u16 q_idx
, u16 sb_idx
)
196 struct bnx2x_rxq_setup_params
*rxq_params
= &setup_params
->rxq_params
;
198 DP(BNX2X_MSG_IOV
, "VF[%d] Q_SETUP: rxq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, mtu=%d, buf-size=%d\n"
199 "sge-size=%d, max_sge_pkt=%d, tpa-agg-size=%d, flags=0x%lx, drop-flags=0x%x, cache-log=%d\n",
203 init_params
->rx
.sb_cq_index
,
204 init_params
->rx
.hc_rate
,
205 setup_params
->gen_params
.mtu
,
207 rxq_params
->sge_buf_sz
,
208 rxq_params
->max_sges_pkt
,
209 rxq_params
->tpa_agg_sz
,
211 rxq_params
->drop_flags
,
212 rxq_params
->cache_line_log
);
215 void bnx2x_vfop_qctor_prep(struct bnx2x
*bp
,
216 struct bnx2x_virtf
*vf
,
217 struct bnx2x_vf_queue
*q
,
218 struct bnx2x_vfop_qctor_params
*p
,
219 unsigned long q_type
)
221 struct bnx2x_queue_init_params
*init_p
= &p
->qstate
.params
.init
;
222 struct bnx2x_queue_setup_params
*setup_p
= &p
->prep_qsetup
;
226 /* Enable host coalescing in the transition to INIT state */
227 if (test_bit(BNX2X_Q_FLG_HC
, &init_p
->rx
.flags
))
228 __set_bit(BNX2X_Q_FLG_HC_EN
, &init_p
->rx
.flags
);
230 if (test_bit(BNX2X_Q_FLG_HC
, &init_p
->tx
.flags
))
231 __set_bit(BNX2X_Q_FLG_HC_EN
, &init_p
->tx
.flags
);
234 init_p
->rx
.fw_sb_id
= vf_igu_sb(vf
, q
->sb_idx
);
235 init_p
->tx
.fw_sb_id
= vf_igu_sb(vf
, q
->sb_idx
);
238 init_p
->cxts
[0] = q
->cxt
;
242 /* Setup-op general parameters */
243 setup_p
->gen_params
.spcl_id
= vf
->sp_cl_id
;
244 setup_p
->gen_params
.stat_id
= vfq_stat_id(vf
, q
);
246 /* Setup-op pause params:
247 * Nothing to do, the pause thresholds are set by default to 0 which
248 * effectively turns off the feature for this queue. We don't want
249 * one queue (VF) to interfering with another queue (another VF)
251 if (vf
->cfg_flags
& VF_CFG_FW_FC
)
252 BNX2X_ERR("No support for pause to VFs (abs_vfid: %d)\n",
255 * collect statistics, zero statistics, local-switching, security,
256 * OV for Flex10, RSS and MCAST for leading
258 if (test_bit(BNX2X_Q_FLG_STATS
, &setup_p
->flags
))
259 __set_bit(BNX2X_Q_FLG_ZERO_STATS
, &setup_p
->flags
);
261 /* for VFs, enable tx switching, bd coherency, and mac address
264 __set_bit(BNX2X_Q_FLG_TX_SWITCH
, &setup_p
->flags
);
265 __set_bit(BNX2X_Q_FLG_TX_SEC
, &setup_p
->flags
);
266 __set_bit(BNX2X_Q_FLG_ANTI_SPOOF
, &setup_p
->flags
);
268 if (vfq_is_leading(q
)) {
269 __set_bit(BNX2X_Q_FLG_LEADING_RSS
, &setup_p
->flags
);
270 __set_bit(BNX2X_Q_FLG_MCAST
, &setup_p
->flags
);
273 /* Setup-op rx parameters */
274 if (test_bit(BNX2X_Q_TYPE_HAS_RX
, &q_type
)) {
275 struct bnx2x_rxq_setup_params
*rxq_p
= &setup_p
->rxq_params
;
277 rxq_p
->cl_qzone_id
= vfq_qzone_id(vf
, q
);
278 rxq_p
->fw_sb_id
= vf_igu_sb(vf
, q
->sb_idx
);
279 rxq_p
->rss_engine_id
= FW_VF_HANDLE(vf
->abs_vfid
);
281 if (test_bit(BNX2X_Q_FLG_TPA
, &setup_p
->flags
))
282 rxq_p
->max_tpa_queues
= BNX2X_VF_MAX_TPA_AGG_QUEUES
;
285 /* Setup-op tx parameters */
286 if (test_bit(BNX2X_Q_TYPE_HAS_TX
, &q_type
)) {
287 setup_p
->txq_params
.tss_leading_cl_id
= vf
->leading_rss
;
288 setup_p
->txq_params
.fw_sb_id
= vf_igu_sb(vf
, q
->sb_idx
);
292 /* VFOP queue construction */
293 static void bnx2x_vfop_qctor(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
295 struct bnx2x_vfop
*vfop
= bnx2x_vfop_cur(bp
, vf
);
296 struct bnx2x_vfop_args_qctor
*args
= &vfop
->args
.qctor
;
297 struct bnx2x_queue_state_params
*q_params
= &vfop
->op_p
->qctor
.qstate
;
298 enum bnx2x_vfop_qctor_state state
= vfop
->state
;
300 bnx2x_vfop_reset_wq(vf
);
305 DP(BNX2X_MSG_IOV
, "vf[%d] STATE: %d\n", vf
->abs_vfid
, state
);
308 case BNX2X_VFOP_QCTOR_INIT
:
310 /* has this queue already been opened? */
311 if (bnx2x_get_q_logical_state(bp
, q_params
->q_obj
) ==
312 BNX2X_Q_LOGICAL_STATE_ACTIVE
) {
314 "Entered qctor but queue was already up. Aborting gracefully\n");
319 vfop
->state
= BNX2X_VFOP_QCTOR_SETUP
;
321 q_params
->cmd
= BNX2X_Q_CMD_INIT
;
322 vfop
->rc
= bnx2x_queue_state_change(bp
, q_params
);
324 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_CONT
);
326 case BNX2X_VFOP_QCTOR_SETUP
:
328 vfop
->state
= BNX2X_VFOP_QCTOR_INT_EN
;
330 /* copy pre-prepared setup params to the queue-state params */
331 vfop
->op_p
->qctor
.qstate
.params
.setup
=
332 vfop
->op_p
->qctor
.prep_qsetup
;
334 q_params
->cmd
= BNX2X_Q_CMD_SETUP
;
335 vfop
->rc
= bnx2x_queue_state_change(bp
, q_params
);
337 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_CONT
);
339 case BNX2X_VFOP_QCTOR_INT_EN
:
341 /* enable interrupts */
342 bnx2x_vf_igu_ack_sb(bp
, vf
, vf_igu_sb(vf
, args
->sb_idx
),
343 USTORM_ID
, 0, IGU_INT_ENABLE
, 0);
346 bnx2x_vfop_default(state
);
349 BNX2X_ERR("QCTOR[%d:%d] error: cmd %d, rc %d\n",
350 vf
->abs_vfid
, args
->qid
, q_params
->cmd
, vfop
->rc
);
352 bnx2x_vfop_end(bp
, vf
, vfop
);
357 static int bnx2x_vfop_qctor_cmd(struct bnx2x
*bp
,
358 struct bnx2x_virtf
*vf
,
359 struct bnx2x_vfop_cmd
*cmd
,
362 struct bnx2x_vfop
*vfop
= bnx2x_vfop_add(bp
, vf
);
365 vf
->op_params
.qctor
.qstate
.q_obj
= &bnx2x_vfq(vf
, qid
, sp_obj
);
367 vfop
->args
.qctor
.qid
= qid
;
368 vfop
->args
.qctor
.sb_idx
= bnx2x_vfq(vf
, qid
, sb_idx
);
370 bnx2x_vfop_opset(BNX2X_VFOP_QCTOR_INIT
,
371 bnx2x_vfop_qctor
, cmd
->done
);
372 return bnx2x_vfop_transition(bp
, vf
, bnx2x_vfop_qctor
,
378 /* VFOP queue destruction */
379 static void bnx2x_vfop_qdtor(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
381 struct bnx2x_vfop
*vfop
= bnx2x_vfop_cur(bp
, vf
);
382 struct bnx2x_vfop_args_qdtor
*qdtor
= &vfop
->args
.qdtor
;
383 struct bnx2x_queue_state_params
*q_params
= &vfop
->op_p
->qctor
.qstate
;
384 enum bnx2x_vfop_qdtor_state state
= vfop
->state
;
386 bnx2x_vfop_reset_wq(vf
);
391 DP(BNX2X_MSG_IOV
, "vf[%d] STATE: %d\n", vf
->abs_vfid
, state
);
394 case BNX2X_VFOP_QDTOR_HALT
:
396 /* has this queue already been stopped? */
397 if (bnx2x_get_q_logical_state(bp
, q_params
->q_obj
) ==
398 BNX2X_Q_LOGICAL_STATE_STOPPED
) {
400 "Entered qdtor but queue was already stopped. Aborting gracefully\n");
405 vfop
->state
= BNX2X_VFOP_QDTOR_TERMINATE
;
407 q_params
->cmd
= BNX2X_Q_CMD_HALT
;
408 vfop
->rc
= bnx2x_queue_state_change(bp
, q_params
);
410 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_CONT
);
412 case BNX2X_VFOP_QDTOR_TERMINATE
:
414 vfop
->state
= BNX2X_VFOP_QDTOR_CFCDEL
;
416 q_params
->cmd
= BNX2X_Q_CMD_TERMINATE
;
417 vfop
->rc
= bnx2x_queue_state_change(bp
, q_params
);
419 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_CONT
);
421 case BNX2X_VFOP_QDTOR_CFCDEL
:
423 vfop
->state
= BNX2X_VFOP_QDTOR_DONE
;
425 q_params
->cmd
= BNX2X_Q_CMD_CFC_DEL
;
426 vfop
->rc
= bnx2x_queue_state_change(bp
, q_params
);
428 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_DONE
);
430 BNX2X_ERR("QDTOR[%d:%d] error: cmd %d, rc %d\n",
431 vf
->abs_vfid
, qdtor
->qid
, q_params
->cmd
, vfop
->rc
);
433 case BNX2X_VFOP_QDTOR_DONE
:
434 /* invalidate the context */
435 qdtor
->cxt
->ustorm_ag_context
.cdu_usage
= 0;
436 qdtor
->cxt
->xstorm_ag_context
.cdu_reserved
= 0;
437 bnx2x_vfop_end(bp
, vf
, vfop
);
440 bnx2x_vfop_default(state
);
446 static int bnx2x_vfop_qdtor_cmd(struct bnx2x
*bp
,
447 struct bnx2x_virtf
*vf
,
448 struct bnx2x_vfop_cmd
*cmd
,
451 struct bnx2x_vfop
*vfop
= bnx2x_vfop_add(bp
, vf
);
454 struct bnx2x_queue_state_params
*qstate
=
455 &vf
->op_params
.qctor
.qstate
;
457 memset(qstate
, 0, sizeof(*qstate
));
458 qstate
->q_obj
= &bnx2x_vfq(vf
, qid
, sp_obj
);
460 vfop
->args
.qdtor
.qid
= qid
;
461 vfop
->args
.qdtor
.cxt
= bnx2x_vfq(vf
, qid
, cxt
);
463 bnx2x_vfop_opset(BNX2X_VFOP_QDTOR_HALT
,
464 bnx2x_vfop_qdtor
, cmd
->done
);
465 return bnx2x_vfop_transition(bp
, vf
, bnx2x_vfop_qdtor
,
468 DP(BNX2X_MSG_IOV
, "VF[%d] failed to add a vfop.\n", vf
->abs_vfid
);
473 bnx2x_vf_set_igu_info(struct bnx2x
*bp
, u8 igu_sb_id
, u8 abs_vfid
)
475 struct bnx2x_virtf
*vf
= bnx2x_vf_by_abs_fid(bp
, abs_vfid
);
477 if (!vf_sb_count(vf
))
478 vf
->igu_base_id
= igu_sb_id
;
483 /* VFOP MAC/VLAN helpers */
484 static inline void bnx2x_vfop_credit(struct bnx2x
*bp
,
485 struct bnx2x_vfop
*vfop
,
486 struct bnx2x_vlan_mac_obj
*obj
)
488 struct bnx2x_vfop_args_filters
*args
= &vfop
->args
.filters
;
490 /* update credit only if there is no error
491 * and a valid credit counter
493 if (!vfop
->rc
&& args
->credit
) {
495 struct list_head
*pos
;
497 list_for_each(pos
, &obj
->head
)
500 atomic_set(args
->credit
, cnt
);
504 static int bnx2x_vfop_set_user_req(struct bnx2x
*bp
,
505 struct bnx2x_vfop_filter
*pos
,
506 struct bnx2x_vlan_mac_data
*user_req
)
508 user_req
->cmd
= pos
->add
? BNX2X_VLAN_MAC_ADD
:
512 case BNX2X_VFOP_FILTER_MAC
:
513 memcpy(user_req
->u
.mac
.mac
, pos
->mac
, ETH_ALEN
);
515 case BNX2X_VFOP_FILTER_VLAN
:
516 user_req
->u
.vlan
.vlan
= pos
->vid
;
519 BNX2X_ERR("Invalid filter type, skipping\n");
526 bnx2x_vfop_config_vlan0(struct bnx2x
*bp
,
527 struct bnx2x_vlan_mac_ramrod_params
*vlan_mac
,
532 vlan_mac
->user_req
.cmd
= add
? BNX2X_VLAN_MAC_ADD
:
534 vlan_mac
->user_req
.u
.vlan
.vlan
= 0;
536 rc
= bnx2x_config_vlan_mac(bp
, vlan_mac
);
542 static int bnx2x_vfop_config_list(struct bnx2x
*bp
,
543 struct bnx2x_vfop_filters
*filters
,
544 struct bnx2x_vlan_mac_ramrod_params
*vlan_mac
)
546 struct bnx2x_vfop_filter
*pos
, *tmp
;
547 struct list_head rollback_list
, *filters_list
= &filters
->head
;
548 struct bnx2x_vlan_mac_data
*user_req
= &vlan_mac
->user_req
;
551 INIT_LIST_HEAD(&rollback_list
);
553 list_for_each_entry_safe(pos
, tmp
, filters_list
, link
) {
554 if (bnx2x_vfop_set_user_req(bp
, pos
, user_req
))
557 rc
= bnx2x_config_vlan_mac(bp
, vlan_mac
);
559 cnt
+= pos
->add
? 1 : -1;
560 list_move(&pos
->link
, &rollback_list
);
562 } else if (rc
== -EEXIST
) {
565 BNX2X_ERR("Failed to add a new vlan_mac command\n");
570 /* rollback if error or too many rules added */
571 if (rc
|| cnt
> filters
->add_cnt
) {
572 BNX2X_ERR("error or too many rules added. Performing rollback\n");
573 list_for_each_entry_safe(pos
, tmp
, &rollback_list
, link
) {
574 pos
->add
= !pos
->add
; /* reverse op */
575 bnx2x_vfop_set_user_req(bp
, pos
, user_req
);
576 bnx2x_config_vlan_mac(bp
, vlan_mac
);
577 list_del(&pos
->link
);
583 filters
->add_cnt
= cnt
;
587 /* VFOP set VLAN/MAC */
588 static void bnx2x_vfop_vlan_mac(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
590 struct bnx2x_vfop
*vfop
= bnx2x_vfop_cur(bp
, vf
);
591 struct bnx2x_vlan_mac_ramrod_params
*vlan_mac
= &vfop
->op_p
->vlan_mac
;
592 struct bnx2x_vlan_mac_obj
*obj
= vlan_mac
->vlan_mac_obj
;
593 struct bnx2x_vfop_filters
*filters
= vfop
->args
.filters
.multi_filter
;
595 enum bnx2x_vfop_vlan_mac_state state
= vfop
->state
;
600 DP(BNX2X_MSG_IOV
, "vf[%d] STATE: %d\n", vf
->abs_vfid
, state
);
602 bnx2x_vfop_reset_wq(vf
);
605 case BNX2X_VFOP_VLAN_MAC_CLEAR
:
607 vfop
->state
= BNX2X_VFOP_VLAN_MAC_CHK_DONE
;
610 vfop
->rc
= obj
->delete_all(bp
, obj
,
611 &vlan_mac
->user_req
.vlan_mac_flags
,
612 &vlan_mac
->ramrod_flags
);
614 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_DONE
);
616 case BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE
:
618 vfop
->state
= BNX2X_VFOP_VLAN_MAC_CHK_DONE
;
621 vfop
->rc
= bnx2x_config_vlan_mac(bp
, vlan_mac
);
622 if (vfop
->rc
== -EEXIST
)
625 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_DONE
);
627 case BNX2X_VFOP_VLAN_MAC_CHK_DONE
:
628 vfop
->rc
= !!obj
->raw
.check_pending(&obj
->raw
);
629 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_DONE
);
631 case BNX2X_VFOP_MAC_CONFIG_LIST
:
633 vfop
->state
= BNX2X_VFOP_VLAN_MAC_CHK_DONE
;
636 vfop
->rc
= bnx2x_vfop_config_list(bp
, filters
, vlan_mac
);
640 set_bit(RAMROD_CONT
, &vlan_mac
->ramrod_flags
);
641 vfop
->rc
= bnx2x_config_vlan_mac(bp
, vlan_mac
);
642 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_DONE
);
644 case BNX2X_VFOP_VLAN_CONFIG_LIST
:
646 vfop
->state
= BNX2X_VFOP_VLAN_CONFIG_LIST_0
;
648 /* remove vlan0 - could be no-op */
649 vfop
->rc
= bnx2x_vfop_config_vlan0(bp
, vlan_mac
, false);
653 /* Do vlan list config. if this operation fails we try to
654 * restore vlan0 to keep the queue is working order
656 vfop
->rc
= bnx2x_vfop_config_list(bp
, filters
, vlan_mac
);
658 set_bit(RAMROD_CONT
, &vlan_mac
->ramrod_flags
);
659 vfop
->rc
= bnx2x_config_vlan_mac(bp
, vlan_mac
);
661 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_CONT
); /* fall-through */
663 case BNX2X_VFOP_VLAN_CONFIG_LIST_0
:
665 vfop
->state
= BNX2X_VFOP_VLAN_MAC_CHK_DONE
;
667 if (list_empty(&obj
->head
))
669 vfop
->rc
= bnx2x_vfop_config_vlan0(bp
, vlan_mac
, true);
670 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_DONE
);
673 bnx2x_vfop_default(state
);
676 BNX2X_ERR("VLAN-MAC error: rc %d\n", vfop
->rc
);
679 bnx2x_vfop_credit(bp
, vfop
, obj
);
680 bnx2x_vfop_end(bp
, vf
, vfop
);
685 struct bnx2x_vfop_vlan_mac_flags
{
693 bnx2x_vfop_vlan_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params
*ramrod
,
694 struct bnx2x_vfop_vlan_mac_flags
*flags
)
696 struct bnx2x_vlan_mac_data
*ureq
= &ramrod
->user_req
;
698 memset(ramrod
, 0, sizeof(*ramrod
));
702 set_bit(RAMROD_DRV_CLR_ONLY
, &ramrod
->ramrod_flags
);
703 if (flags
->single_cmd
)
704 set_bit(RAMROD_EXEC
, &ramrod
->ramrod_flags
);
707 if (flags
->dont_consume
)
708 set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT
, &ureq
->vlan_mac_flags
);
711 ureq
->cmd
= flags
->add
? BNX2X_VLAN_MAC_ADD
: BNX2X_VLAN_MAC_DEL
;
715 bnx2x_vfop_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params
*ramrod
,
716 struct bnx2x_vfop_vlan_mac_flags
*flags
)
718 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod
, flags
);
719 set_bit(BNX2X_ETH_MAC
, &ramrod
->user_req
.vlan_mac_flags
);
722 static int bnx2x_vfop_mac_delall_cmd(struct bnx2x
*bp
,
723 struct bnx2x_virtf
*vf
,
724 struct bnx2x_vfop_cmd
*cmd
,
725 int qid
, bool drv_only
)
727 struct bnx2x_vfop
*vfop
= bnx2x_vfop_add(bp
, vf
);
730 struct bnx2x_vfop_args_filters filters
= {
731 .multi_filter
= NULL
, /* single */
732 .credit
= NULL
, /* consume credit */
734 struct bnx2x_vfop_vlan_mac_flags flags
= {
735 .drv_only
= drv_only
,
736 .dont_consume
= (filters
.credit
!= NULL
),
738 .add
= false /* don't care */,
740 struct bnx2x_vlan_mac_ramrod_params
*ramrod
=
741 &vf
->op_params
.vlan_mac
;
743 /* set ramrod params */
744 bnx2x_vfop_mac_prep_ramrod(ramrod
, &flags
);
747 ramrod
->vlan_mac_obj
= &bnx2x_vfq(vf
, qid
, mac_obj
);
750 vfop
->args
.filters
= filters
;
752 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR
,
753 bnx2x_vfop_vlan_mac
, cmd
->done
);
754 return bnx2x_vfop_transition(bp
, vf
, bnx2x_vfop_vlan_mac
,
760 int bnx2x_vfop_mac_list_cmd(struct bnx2x
*bp
,
761 struct bnx2x_virtf
*vf
,
762 struct bnx2x_vfop_cmd
*cmd
,
763 struct bnx2x_vfop_filters
*macs
,
764 int qid
, bool drv_only
)
766 struct bnx2x_vfop
*vfop
= bnx2x_vfop_add(bp
, vf
);
769 struct bnx2x_vfop_args_filters filters
= {
770 .multi_filter
= macs
,
771 .credit
= NULL
, /* consume credit */
773 struct bnx2x_vfop_vlan_mac_flags flags
= {
774 .drv_only
= drv_only
,
775 .dont_consume
= (filters
.credit
!= NULL
),
777 .add
= false, /* don't care since only the items in the
778 * filters list affect the sp operation,
779 * not the list itself
782 struct bnx2x_vlan_mac_ramrod_params
*ramrod
=
783 &vf
->op_params
.vlan_mac
;
785 /* set ramrod params */
786 bnx2x_vfop_mac_prep_ramrod(ramrod
, &flags
);
789 ramrod
->vlan_mac_obj
= &bnx2x_vfq(vf
, qid
, mac_obj
);
792 filters
.multi_filter
->add_cnt
= BNX2X_VFOP_FILTER_ADD_CNT_MAX
;
793 vfop
->args
.filters
= filters
;
795 bnx2x_vfop_opset(BNX2X_VFOP_MAC_CONFIG_LIST
,
796 bnx2x_vfop_vlan_mac
, cmd
->done
);
797 return bnx2x_vfop_transition(bp
, vf
, bnx2x_vfop_vlan_mac
,
803 int bnx2x_vfop_vlan_set_cmd(struct bnx2x
*bp
,
804 struct bnx2x_virtf
*vf
,
805 struct bnx2x_vfop_cmd
*cmd
,
806 int qid
, u16 vid
, bool add
)
808 struct bnx2x_vfop
*vfop
= bnx2x_vfop_add(bp
, vf
);
811 struct bnx2x_vfop_args_filters filters
= {
812 .multi_filter
= NULL
, /* single command */
813 .credit
= &bnx2x_vfq(vf
, qid
, vlan_count
),
815 struct bnx2x_vfop_vlan_mac_flags flags
= {
817 .dont_consume
= (filters
.credit
!= NULL
),
821 struct bnx2x_vlan_mac_ramrod_params
*ramrod
=
822 &vf
->op_params
.vlan_mac
;
824 /* set ramrod params */
825 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod
, &flags
);
826 ramrod
->user_req
.u
.vlan
.vlan
= vid
;
829 ramrod
->vlan_mac_obj
= &bnx2x_vfq(vf
, qid
, vlan_obj
);
832 vfop
->args
.filters
= filters
;
834 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE
,
835 bnx2x_vfop_vlan_mac
, cmd
->done
);
836 return bnx2x_vfop_transition(bp
, vf
, bnx2x_vfop_vlan_mac
,
842 static int bnx2x_vfop_vlan_delall_cmd(struct bnx2x
*bp
,
843 struct bnx2x_virtf
*vf
,
844 struct bnx2x_vfop_cmd
*cmd
,
845 int qid
, bool drv_only
)
847 struct bnx2x_vfop
*vfop
= bnx2x_vfop_add(bp
, vf
);
850 struct bnx2x_vfop_args_filters filters
= {
851 .multi_filter
= NULL
, /* single command */
852 .credit
= &bnx2x_vfq(vf
, qid
, vlan_count
),
854 struct bnx2x_vfop_vlan_mac_flags flags
= {
855 .drv_only
= drv_only
,
856 .dont_consume
= (filters
.credit
!= NULL
),
858 .add
= false, /* don't care */
860 struct bnx2x_vlan_mac_ramrod_params
*ramrod
=
861 &vf
->op_params
.vlan_mac
;
863 /* set ramrod params */
864 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod
, &flags
);
867 ramrod
->vlan_mac_obj
= &bnx2x_vfq(vf
, qid
, vlan_obj
);
870 vfop
->args
.filters
= filters
;
872 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR
,
873 bnx2x_vfop_vlan_mac
, cmd
->done
);
874 return bnx2x_vfop_transition(bp
, vf
, bnx2x_vfop_vlan_mac
,
880 int bnx2x_vfop_vlan_list_cmd(struct bnx2x
*bp
,
881 struct bnx2x_virtf
*vf
,
882 struct bnx2x_vfop_cmd
*cmd
,
883 struct bnx2x_vfop_filters
*vlans
,
884 int qid
, bool drv_only
)
886 struct bnx2x_vfop
*vfop
= bnx2x_vfop_add(bp
, vf
);
889 struct bnx2x_vfop_args_filters filters
= {
890 .multi_filter
= vlans
,
891 .credit
= &bnx2x_vfq(vf
, qid
, vlan_count
),
893 struct bnx2x_vfop_vlan_mac_flags flags
= {
894 .drv_only
= drv_only
,
895 .dont_consume
= (filters
.credit
!= NULL
),
897 .add
= false, /* don't care */
899 struct bnx2x_vlan_mac_ramrod_params
*ramrod
=
900 &vf
->op_params
.vlan_mac
;
902 /* set ramrod params */
903 bnx2x_vfop_vlan_mac_prep_ramrod(ramrod
, &flags
);
906 ramrod
->vlan_mac_obj
= &bnx2x_vfq(vf
, qid
, vlan_obj
);
909 filters
.multi_filter
->add_cnt
= vf_vlan_rules_cnt(vf
) -
910 atomic_read(filters
.credit
);
912 vfop
->args
.filters
= filters
;
914 bnx2x_vfop_opset(BNX2X_VFOP_VLAN_CONFIG_LIST
,
915 bnx2x_vfop_vlan_mac
, cmd
->done
);
916 return bnx2x_vfop_transition(bp
, vf
, bnx2x_vfop_vlan_mac
,
922 /* VFOP queue setup (queue constructor + set vlan 0) */
923 static void bnx2x_vfop_qsetup(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
925 struct bnx2x_vfop
*vfop
= bnx2x_vfop_cur(bp
, vf
);
926 int qid
= vfop
->args
.qctor
.qid
;
927 enum bnx2x_vfop_qsetup_state state
= vfop
->state
;
928 struct bnx2x_vfop_cmd cmd
= {
929 .done
= bnx2x_vfop_qsetup
,
936 DP(BNX2X_MSG_IOV
, "vf[%d] STATE: %d\n", vf
->abs_vfid
, state
);
939 case BNX2X_VFOP_QSETUP_CTOR
:
940 /* init the queue ctor command */
941 vfop
->state
= BNX2X_VFOP_QSETUP_VLAN0
;
942 vfop
->rc
= bnx2x_vfop_qctor_cmd(bp
, vf
, &cmd
, qid
);
947 case BNX2X_VFOP_QSETUP_VLAN0
:
948 /* skip if non-leading or FPGA/EMU*/
952 /* init the queue set-vlan command (for vlan 0) */
953 vfop
->state
= BNX2X_VFOP_QSETUP_DONE
;
954 vfop
->rc
= bnx2x_vfop_vlan_set_cmd(bp
, vf
, &cmd
, qid
, 0, true);
959 BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf
->abs_vfid
, qid
, vfop
->rc
);
961 case BNX2X_VFOP_QSETUP_DONE
:
962 vf
->cfg_flags
|= VF_CFG_VLAN
;
963 smp_mb__before_clear_bit();
964 set_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN
,
966 smp_mb__after_clear_bit();
967 schedule_delayed_work(&bp
->sp_rtnl_task
, 0);
968 bnx2x_vfop_end(bp
, vf
, vfop
);
971 bnx2x_vfop_default(state
);
975 int bnx2x_vfop_qsetup_cmd(struct bnx2x
*bp
,
976 struct bnx2x_virtf
*vf
,
977 struct bnx2x_vfop_cmd
*cmd
,
980 struct bnx2x_vfop
*vfop
= bnx2x_vfop_add(bp
, vf
);
983 vfop
->args
.qctor
.qid
= qid
;
985 bnx2x_vfop_opset(BNX2X_VFOP_QSETUP_CTOR
,
986 bnx2x_vfop_qsetup
, cmd
->done
);
987 return bnx2x_vfop_transition(bp
, vf
, bnx2x_vfop_qsetup
,
993 /* VFOP queue FLR handling (clear vlans, clear macs, queue destructor) */
994 static void bnx2x_vfop_qflr(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
996 struct bnx2x_vfop
*vfop
= bnx2x_vfop_cur(bp
, vf
);
997 int qid
= vfop
->args
.qx
.qid
;
998 enum bnx2x_vfop_qflr_state state
= vfop
->state
;
999 struct bnx2x_queue_state_params
*qstate
;
1000 struct bnx2x_vfop_cmd cmd
;
1002 bnx2x_vfop_reset_wq(vf
);
1007 DP(BNX2X_MSG_IOV
, "VF[%d] STATE: %d\n", vf
->abs_vfid
, state
);
1009 cmd
.done
= bnx2x_vfop_qflr
;
1013 case BNX2X_VFOP_QFLR_CLR_VLAN
:
1014 /* vlan-clear-all: driver-only, don't consume credit */
1015 vfop
->state
= BNX2X_VFOP_QFLR_CLR_MAC
;
1016 vfop
->rc
= bnx2x_vfop_vlan_delall_cmd(bp
, vf
, &cmd
, qid
, true);
1021 case BNX2X_VFOP_QFLR_CLR_MAC
:
1022 /* mac-clear-all: driver only consume credit */
1023 vfop
->state
= BNX2X_VFOP_QFLR_TERMINATE
;
1024 vfop
->rc
= bnx2x_vfop_mac_delall_cmd(bp
, vf
, &cmd
, qid
, true);
1026 "VF[%d] vfop->rc after bnx2x_vfop_mac_delall_cmd was %d",
1027 vf
->abs_vfid
, vfop
->rc
);
1032 case BNX2X_VFOP_QFLR_TERMINATE
:
1033 qstate
= &vfop
->op_p
->qctor
.qstate
;
1034 memset(qstate
, 0, sizeof(*qstate
));
1035 qstate
->q_obj
= &bnx2x_vfq(vf
, qid
, sp_obj
);
1036 vfop
->state
= BNX2X_VFOP_QFLR_DONE
;
1038 DP(BNX2X_MSG_IOV
, "VF[%d] qstate during flr was %d\n",
1039 vf
->abs_vfid
, qstate
->q_obj
->state
);
1041 if (qstate
->q_obj
->state
!= BNX2X_Q_STATE_RESET
) {
1042 qstate
->q_obj
->state
= BNX2X_Q_STATE_STOPPED
;
1043 qstate
->cmd
= BNX2X_Q_CMD_TERMINATE
;
1044 vfop
->rc
= bnx2x_queue_state_change(bp
, qstate
);
1045 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_VERIFY_PEND
);
1051 BNX2X_ERR("QFLR[%d:%d] error: rc %d\n",
1052 vf
->abs_vfid
, qid
, vfop
->rc
);
1054 case BNX2X_VFOP_QFLR_DONE
:
1055 bnx2x_vfop_end(bp
, vf
, vfop
);
1058 bnx2x_vfop_default(state
);
1064 static int bnx2x_vfop_qflr_cmd(struct bnx2x
*bp
,
1065 struct bnx2x_virtf
*vf
,
1066 struct bnx2x_vfop_cmd
*cmd
,
1069 struct bnx2x_vfop
*vfop
= bnx2x_vfop_add(bp
, vf
);
1072 vfop
->args
.qx
.qid
= qid
;
1073 bnx2x_vfop_opset(BNX2X_VFOP_QFLR_CLR_VLAN
,
1074 bnx2x_vfop_qflr
, cmd
->done
);
1075 return bnx2x_vfop_transition(bp
, vf
, bnx2x_vfop_qflr
,
1081 /* VFOP multi-casts */
1082 static void bnx2x_vfop_mcast(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
1084 struct bnx2x_vfop
*vfop
= bnx2x_vfop_cur(bp
, vf
);
1085 struct bnx2x_mcast_ramrod_params
*mcast
= &vfop
->op_p
->mcast
;
1086 struct bnx2x_raw_obj
*raw
= &mcast
->mcast_obj
->raw
;
1087 struct bnx2x_vfop_args_mcast
*args
= &vfop
->args
.mc_list
;
1088 enum bnx2x_vfop_mcast_state state
= vfop
->state
;
1091 bnx2x_vfop_reset_wq(vf
);
1096 DP(BNX2X_MSG_IOV
, "vf[%d] STATE: %d\n", vf
->abs_vfid
, state
);
1099 case BNX2X_VFOP_MCAST_DEL
:
1100 /* clear existing mcasts */
1101 vfop
->state
= BNX2X_VFOP_MCAST_ADD
;
1102 vfop
->rc
= bnx2x_config_mcast(bp
, mcast
, BNX2X_MCAST_CMD_DEL
);
1103 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_CONT
);
1105 case BNX2X_VFOP_MCAST_ADD
:
1106 if (raw
->check_pending(raw
))
1110 /* update mcast list on the ramrod params */
1111 INIT_LIST_HEAD(&mcast
->mcast_list
);
1112 for (i
= 0; i
< args
->mc_num
; i
++)
1113 list_add_tail(&(args
->mc
[i
].link
),
1114 &mcast
->mcast_list
);
1115 /* add new mcasts */
1116 vfop
->state
= BNX2X_VFOP_MCAST_CHK_DONE
;
1117 vfop
->rc
= bnx2x_config_mcast(bp
, mcast
,
1118 BNX2X_MCAST_CMD_ADD
);
1120 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_DONE
);
1122 case BNX2X_VFOP_MCAST_CHK_DONE
:
1123 vfop
->rc
= raw
->check_pending(raw
) ? 1 : 0;
1124 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_DONE
);
1126 bnx2x_vfop_default(state
);
1129 BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop
->rc
);
1132 bnx2x_vfop_end(bp
, vf
, vfop
);
1137 int bnx2x_vfop_mcast_cmd(struct bnx2x
*bp
,
1138 struct bnx2x_virtf
*vf
,
1139 struct bnx2x_vfop_cmd
*cmd
,
1140 bnx2x_mac_addr_t
*mcasts
,
1141 int mcast_num
, bool drv_only
)
1143 struct bnx2x_vfop
*vfop
= NULL
;
1144 size_t mc_sz
= mcast_num
* sizeof(struct bnx2x_mcast_list_elem
);
1145 struct bnx2x_mcast_list_elem
*mc
= mc_sz
? kzalloc(mc_sz
, GFP_KERNEL
) :
1149 vfop
= bnx2x_vfop_add(bp
, vf
);
1152 struct bnx2x_mcast_ramrod_params
*ramrod
=
1153 &vf
->op_params
.mcast
;
1155 /* set ramrod params */
1156 memset(ramrod
, 0, sizeof(*ramrod
));
1157 ramrod
->mcast_obj
= &vf
->mcast_obj
;
1159 set_bit(RAMROD_DRV_CLR_ONLY
,
1160 &ramrod
->ramrod_flags
);
1162 /* copy mcasts pointers */
1163 vfop
->args
.mc_list
.mc_num
= mcast_num
;
1164 vfop
->args
.mc_list
.mc
= mc
;
1165 for (i
= 0; i
< mcast_num
; i
++)
1166 mc
[i
].mac
= mcasts
[i
];
1168 bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL
,
1169 bnx2x_vfop_mcast
, cmd
->done
);
1170 return bnx2x_vfop_transition(bp
, vf
, bnx2x_vfop_mcast
,
1180 static void bnx2x_vfop_rxmode(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
1182 struct bnx2x_vfop
*vfop
= bnx2x_vfop_cur(bp
, vf
);
1183 struct bnx2x_rx_mode_ramrod_params
*ramrod
= &vfop
->op_p
->rx_mode
;
1184 enum bnx2x_vfop_rxmode_state state
= vfop
->state
;
1186 bnx2x_vfop_reset_wq(vf
);
1191 DP(BNX2X_MSG_IOV
, "vf[%d] STATE: %d\n", vf
->abs_vfid
, state
);
1194 case BNX2X_VFOP_RXMODE_CONFIG
:
1196 vfop
->state
= BNX2X_VFOP_RXMODE_DONE
;
1198 vfop
->rc
= bnx2x_config_rx_mode(bp
, ramrod
);
1199 bnx2x_vfop_finalize(vf
, vfop
->rc
, VFOP_DONE
);
1201 BNX2X_ERR("RXMODE error: rc %d\n", vfop
->rc
);
1203 case BNX2X_VFOP_RXMODE_DONE
:
1204 bnx2x_vfop_end(bp
, vf
, vfop
);
1207 bnx2x_vfop_default(state
);
1213 int bnx2x_vfop_rxmode_cmd(struct bnx2x
*bp
,
1214 struct bnx2x_virtf
*vf
,
1215 struct bnx2x_vfop_cmd
*cmd
,
1216 int qid
, unsigned long accept_flags
)
1218 struct bnx2x_vf_queue
*vfq
= vfq_get(vf
, qid
);
1219 struct bnx2x_vfop
*vfop
= bnx2x_vfop_add(bp
, vf
);
1222 struct bnx2x_rx_mode_ramrod_params
*ramrod
=
1223 &vf
->op_params
.rx_mode
;
1225 memset(ramrod
, 0, sizeof(*ramrod
));
1227 /* Prepare ramrod parameters */
1228 ramrod
->cid
= vfq
->cid
;
1229 ramrod
->cl_id
= vfq_cl_id(vf
, vfq
);
1230 ramrod
->rx_mode_obj
= &bp
->rx_mode_obj
;
1231 ramrod
->func_id
= FW_VF_HANDLE(vf
->abs_vfid
);
1233 ramrod
->rx_accept_flags
= accept_flags
;
1234 ramrod
->tx_accept_flags
= accept_flags
;
1235 ramrod
->pstate
= &vf
->filter_state
;
1236 ramrod
->state
= BNX2X_FILTER_RX_MODE_PENDING
;
1238 set_bit(BNX2X_FILTER_RX_MODE_PENDING
, &vf
->filter_state
);
1239 set_bit(RAMROD_RX
, &ramrod
->ramrod_flags
);
1240 set_bit(RAMROD_TX
, &ramrod
->ramrod_flags
);
1243 bnx2x_vf_sp(bp
, vf
, rx_mode_rdata
.e2
);
1244 ramrod
->rdata_mapping
=
1245 bnx2x_vf_sp_map(bp
, vf
, rx_mode_rdata
.e2
);
1247 bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG
,
1248 bnx2x_vfop_rxmode
, cmd
->done
);
1249 return bnx2x_vfop_transition(bp
, vf
, bnx2x_vfop_rxmode
,
1255 /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs,
1258 static void bnx2x_vfop_qdown(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
1260 struct bnx2x_vfop
*vfop
= bnx2x_vfop_cur(bp
, vf
);
1261 int qid
= vfop
->args
.qx
.qid
;
1262 enum bnx2x_vfop_qteardown_state state
= vfop
->state
;
1263 struct bnx2x_vfop_cmd cmd
;
1268 DP(BNX2X_MSG_IOV
, "vf[%d] STATE: %d\n", vf
->abs_vfid
, state
);
1270 cmd
.done
= bnx2x_vfop_qdown
;
1274 case BNX2X_VFOP_QTEARDOWN_RXMODE
:
1276 vfop
->state
= BNX2X_VFOP_QTEARDOWN_CLR_VLAN
;
1277 vfop
->rc
= bnx2x_vfop_rxmode_cmd(bp
, vf
, &cmd
, qid
, 0);
1282 case BNX2X_VFOP_QTEARDOWN_CLR_VLAN
:
1283 /* vlan-clear-all: don't consume credit */
1284 vfop
->state
= BNX2X_VFOP_QTEARDOWN_CLR_MAC
;
1285 vfop
->rc
= bnx2x_vfop_vlan_delall_cmd(bp
, vf
, &cmd
, qid
, false);
1290 case BNX2X_VFOP_QTEARDOWN_CLR_MAC
:
1291 /* mac-clear-all: consume credit */
1292 vfop
->state
= BNX2X_VFOP_QTEARDOWN_QDTOR
;
1293 vfop
->rc
= bnx2x_vfop_mac_delall_cmd(bp
, vf
, &cmd
, qid
, false);
1298 case BNX2X_VFOP_QTEARDOWN_QDTOR
:
1299 /* run the queue destruction flow */
1300 DP(BNX2X_MSG_IOV
, "case: BNX2X_VFOP_QTEARDOWN_QDTOR\n");
1301 vfop
->state
= BNX2X_VFOP_QTEARDOWN_DONE
;
1302 DP(BNX2X_MSG_IOV
, "new state: BNX2X_VFOP_QTEARDOWN_DONE\n");
1303 vfop
->rc
= bnx2x_vfop_qdtor_cmd(bp
, vf
, &cmd
, qid
);
1304 DP(BNX2X_MSG_IOV
, "returned from cmd\n");
1309 BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n",
1310 vf
->abs_vfid
, qid
, vfop
->rc
);
1312 case BNX2X_VFOP_QTEARDOWN_DONE
:
1313 bnx2x_vfop_end(bp
, vf
, vfop
);
1316 bnx2x_vfop_default(state
);
1320 int bnx2x_vfop_qdown_cmd(struct bnx2x
*bp
,
1321 struct bnx2x_virtf
*vf
,
1322 struct bnx2x_vfop_cmd
*cmd
,
1325 struct bnx2x_vfop
*vfop
= bnx2x_vfop_add(bp
, vf
);
1328 vfop
->args
.qx
.qid
= qid
;
1329 bnx2x_vfop_opset(BNX2X_VFOP_QTEARDOWN_RXMODE
,
1330 bnx2x_vfop_qdown
, cmd
->done
);
1331 return bnx2x_vfop_transition(bp
, vf
, bnx2x_vfop_qdown
,
1338 /* VF enable primitives
1339 * when pretend is required the caller is responsible
1340 * for calling pretend prior to calling these routines
1343 /* internal vf enable - until vf is enabled internally all transactions
1344 * are blocked. This routine should always be called last with pretend.
1346 static void bnx2x_vf_enable_internal(struct bnx2x
*bp
, u8 enable
)
1348 REG_WR(bp
, PGLUE_B_REG_INTERNAL_VFID_ENABLE
, enable
? 1 : 0);
1351 /* clears vf error in all semi blocks */
1352 static void bnx2x_vf_semi_clear_err(struct bnx2x
*bp
, u8 abs_vfid
)
1354 REG_WR(bp
, TSEM_REG_VFPF_ERR_NUM
, abs_vfid
);
1355 REG_WR(bp
, USEM_REG_VFPF_ERR_NUM
, abs_vfid
);
1356 REG_WR(bp
, CSEM_REG_VFPF_ERR_NUM
, abs_vfid
);
1357 REG_WR(bp
, XSEM_REG_VFPF_ERR_NUM
, abs_vfid
);
1360 static void bnx2x_vf_pglue_clear_err(struct bnx2x
*bp
, u8 abs_vfid
)
1362 u32 was_err_group
= (2 * BP_PATH(bp
) + abs_vfid
) >> 5;
1363 u32 was_err_reg
= 0;
1365 switch (was_err_group
) {
1367 was_err_reg
= PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR
;
1370 was_err_reg
= PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR
;
1373 was_err_reg
= PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR
;
1376 was_err_reg
= PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR
;
1379 REG_WR(bp
, was_err_reg
, 1 << (abs_vfid
& 0x1f));
1382 static void bnx2x_vf_igu_reset(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
1387 /* Set VF masks and configuration - pretend */
1388 bnx2x_pretend_func(bp
, HW_VF_HANDLE(bp
, vf
->abs_vfid
));
1390 REG_WR(bp
, IGU_REG_SB_INT_BEFORE_MASK_LSB
, 0);
1391 REG_WR(bp
, IGU_REG_SB_INT_BEFORE_MASK_MSB
, 0);
1392 REG_WR(bp
, IGU_REG_SB_MASK_LSB
, 0);
1393 REG_WR(bp
, IGU_REG_SB_MASK_MSB
, 0);
1394 REG_WR(bp
, IGU_REG_PBA_STATUS_LSB
, 0);
1395 REG_WR(bp
, IGU_REG_PBA_STATUS_MSB
, 0);
1397 val
= REG_RD(bp
, IGU_REG_VF_CONFIGURATION
);
1398 val
|= (IGU_VF_CONF_FUNC_EN
| IGU_VF_CONF_MSI_MSIX_EN
);
1399 if (vf
->cfg_flags
& VF_CFG_INT_SIMD
)
1400 val
|= IGU_VF_CONF_SINGLE_ISR_EN
;
1401 val
&= ~IGU_VF_CONF_PARENT_MASK
;
1402 val
|= BP_FUNC(bp
) << IGU_VF_CONF_PARENT_SHIFT
; /* parent PF */
1403 REG_WR(bp
, IGU_REG_VF_CONFIGURATION
, val
);
1406 "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n",
1407 vf
->abs_vfid
, REG_RD(bp
, IGU_REG_VF_CONFIGURATION
));
1409 bnx2x_pretend_func(bp
, BP_ABS_FUNC(bp
));
1411 /* iterate over all queues, clear sb consumer */
1412 for (i
= 0; i
< vf_sb_count(vf
); i
++) {
1413 u8 igu_sb_id
= vf_igu_sb(vf
, i
);
1415 /* zero prod memory */
1416 REG_WR(bp
, IGU_REG_PROD_CONS_MEMORY
+ igu_sb_id
* 4, 0);
1418 /* clear sb state machine */
1419 bnx2x_igu_clear_sb_gen(bp
, vf
->abs_vfid
, igu_sb_id
,
1422 /* disable + update */
1423 bnx2x_vf_igu_ack_sb(bp
, vf
, igu_sb_id
, USTORM_ID
, 0,
1424 IGU_INT_DISABLE
, 1);
1428 void bnx2x_vf_enable_access(struct bnx2x
*bp
, u8 abs_vfid
)
1430 /* set the VF-PF association in the FW */
1431 storm_memset_vf_to_pf(bp
, FW_VF_HANDLE(abs_vfid
), BP_FUNC(bp
));
1432 storm_memset_func_en(bp
, FW_VF_HANDLE(abs_vfid
), 1);
1434 /* clear vf errors*/
1435 bnx2x_vf_semi_clear_err(bp
, abs_vfid
);
1436 bnx2x_vf_pglue_clear_err(bp
, abs_vfid
);
1438 /* internal vf-enable - pretend */
1439 bnx2x_pretend_func(bp
, HW_VF_HANDLE(bp
, abs_vfid
));
1440 DP(BNX2X_MSG_IOV
, "enabling internal access for vf %x\n", abs_vfid
);
1441 bnx2x_vf_enable_internal(bp
, true);
1442 bnx2x_pretend_func(bp
, BP_ABS_FUNC(bp
));
1445 static void bnx2x_vf_enable_traffic(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
1447 /* Reset vf in IGU interrupts are still disabled */
1448 bnx2x_vf_igu_reset(bp
, vf
);
1450 /* pretend to enable the vf with the PBF */
1451 bnx2x_pretend_func(bp
, HW_VF_HANDLE(bp
, vf
->abs_vfid
));
1452 REG_WR(bp
, PBF_REG_DISABLE_VF
, 0);
1453 bnx2x_pretend_func(bp
, BP_ABS_FUNC(bp
));
1456 static u8
bnx2x_vf_is_pcie_pending(struct bnx2x
*bp
, u8 abs_vfid
)
1458 struct pci_dev
*dev
;
1459 struct bnx2x_virtf
*vf
= bnx2x_vf_by_abs_fid(bp
, abs_vfid
);
1464 dev
= pci_get_bus_and_slot(vf
->bus
, vf
->devfn
);
1466 return bnx2x_is_pcie_pending(dev
);
1470 int bnx2x_vf_flr_clnup_epilog(struct bnx2x
*bp
, u8 abs_vfid
)
1472 /* Verify no pending pci transactions */
1473 if (bnx2x_vf_is_pcie_pending(bp
, abs_vfid
))
1474 BNX2X_ERR("PCIE Transactions still pending\n");
1479 /* must be called after the number of PF queues and the number of VFs are
1483 bnx2x_iov_static_resc(struct bnx2x
*bp
, struct vf_pf_resc_request
*resc
)
1487 /* will be set only during VF-ACQUIRE */
1491 /* no credit calculcis for macs (just yet) */
1492 resc
->num_mac_filters
= 1;
1494 /* divvy up vlan rules */
1495 vlan_count
= bp
->vlans_pool
.check(&bp
->vlans_pool
);
1496 vlan_count
= 1 << ilog2(vlan_count
);
1497 resc
->num_vlan_filters
= vlan_count
/ BNX2X_NR_VIRTFN(bp
);
1499 /* no real limitation */
1500 resc
->num_mc_filters
= 0;
1502 /* num_sbs already set */
1506 static void bnx2x_vf_free_resc(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
1508 /* reset the state variables */
1509 bnx2x_iov_static_resc(bp
, &vf
->alloc_resc
);
1510 vf
->state
= VF_FREE
;
1513 static void bnx2x_vf_flr_clnup_hw(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
1515 u32 poll_cnt
= bnx2x_flr_clnup_poll_count(bp
);
1517 /* DQ usage counter */
1518 bnx2x_pretend_func(bp
, HW_VF_HANDLE(bp
, vf
->abs_vfid
));
1519 bnx2x_flr_clnup_poll_hw_counter(bp
, DORQ_REG_VF_USAGE_CNT
,
1520 "DQ VF usage counter timed out",
1522 bnx2x_pretend_func(bp
, BP_ABS_FUNC(bp
));
1524 /* FW cleanup command - poll for the results */
1525 if (bnx2x_send_final_clnup(bp
, (u8
)FW_VF_HANDLE(vf
->abs_vfid
),
1527 BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf
->abs_vfid
);
1529 /* verify TX hw is flushed */
1530 bnx2x_tx_hw_flushed(bp
, poll_cnt
);
1533 static void bnx2x_vfop_flr(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
1535 struct bnx2x_vfop
*vfop
= bnx2x_vfop_cur(bp
, vf
);
1536 struct bnx2x_vfop_args_qx
*qx
= &vfop
->args
.qx
;
1537 enum bnx2x_vfop_flr_state state
= vfop
->state
;
1538 struct bnx2x_vfop_cmd cmd
= {
1539 .done
= bnx2x_vfop_flr
,
1546 DP(BNX2X_MSG_IOV
, "vf[%d] STATE: %d\n", vf
->abs_vfid
, state
);
1549 case BNX2X_VFOP_FLR_QUEUES
:
1550 /* the cleanup operations are valid if and only if the VF
1551 * was first acquired.
1553 if (++(qx
->qid
) < vf_rxq_count(vf
)) {
1554 vfop
->rc
= bnx2x_vfop_qflr_cmd(bp
, vf
, &cmd
,
1560 /* remove multicasts */
1561 vfop
->state
= BNX2X_VFOP_FLR_HW
;
1562 vfop
->rc
= bnx2x_vfop_mcast_cmd(bp
, vf
, &cmd
, NULL
,
1567 case BNX2X_VFOP_FLR_HW
:
1569 /* dispatch final cleanup and wait for HW queues to flush */
1570 bnx2x_vf_flr_clnup_hw(bp
, vf
);
1572 /* release VF resources */
1573 bnx2x_vf_free_resc(bp
, vf
);
1575 /* re-open the mailbox */
1576 bnx2x_vf_enable_mbx(bp
, vf
->abs_vfid
);
1580 bnx2x_vfop_default(state
);
1583 BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf
->abs_vfid
, vfop
->rc
);
1585 vf
->flr_clnup_stage
= VF_FLR_ACK
;
1586 bnx2x_vfop_end(bp
, vf
, vfop
);
1587 bnx2x_unlock_vf_pf_channel(bp
, vf
, CHANNEL_TLV_FLR
);
1590 static int bnx2x_vfop_flr_cmd(struct bnx2x
*bp
,
1591 struct bnx2x_virtf
*vf
,
1592 vfop_handler_t done
)
1594 struct bnx2x_vfop
*vfop
= bnx2x_vfop_add(bp
, vf
);
1596 vfop
->args
.qx
.qid
= -1; /* loop */
1597 bnx2x_vfop_opset(BNX2X_VFOP_FLR_QUEUES
,
1598 bnx2x_vfop_flr
, done
);
1599 return bnx2x_vfop_transition(bp
, vf
, bnx2x_vfop_flr
, false);
1604 static void bnx2x_vf_flr_clnup(struct bnx2x
*bp
, struct bnx2x_virtf
*prev_vf
)
1606 int i
= prev_vf
? prev_vf
->index
+ 1 : 0;
1607 struct bnx2x_virtf
*vf
;
1609 /* find next VF to cleanup */
1612 i
< BNX2X_NR_VIRTFN(bp
) &&
1613 (bnx2x_vf(bp
, i
, state
) != VF_RESET
||
1614 bnx2x_vf(bp
, i
, flr_clnup_stage
) != VF_FLR_CLN
);
1618 DP(BNX2X_MSG_IOV
, "next vf to cleanup: %d. Num of vfs: %d\n", i
,
1619 BNX2X_NR_VIRTFN(bp
));
1621 if (i
< BNX2X_NR_VIRTFN(bp
)) {
1624 /* lock the vf pf channel */
1625 bnx2x_lock_vf_pf_channel(bp
, vf
, CHANNEL_TLV_FLR
);
1627 /* invoke the VF FLR SM */
1628 if (bnx2x_vfop_flr_cmd(bp
, vf
, bnx2x_vf_flr_clnup
)) {
1629 BNX2X_ERR("VF[%d]: FLR cleanup failed -ENOMEM\n",
1632 /* mark the VF to be ACKED and continue */
1633 vf
->flr_clnup_stage
= VF_FLR_ACK
;
1634 goto next_vf_to_clean
;
1639 /* we are done, update vf records */
1640 for_each_vf(bp
, i
) {
1643 if (vf
->flr_clnup_stage
!= VF_FLR_ACK
)
1646 vf
->flr_clnup_stage
= VF_FLR_EPILOG
;
1649 /* Acknowledge the handled VFs.
1650 * we are acknowledge all the vfs which an flr was requested for, even
1651 * if amongst them there are such that we never opened, since the mcp
1652 * will interrupt us immediately again if we only ack some of the bits,
1653 * resulting in an endless loop. This can happen for example in KVM
1654 * where an 'all ones' flr request is sometimes given by hyper visor
1656 DP(BNX2X_MSG_MCP
, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n",
1657 bp
->vfdb
->flrd_vfs
[0], bp
->vfdb
->flrd_vfs
[1]);
1658 for (i
= 0; i
< FLRD_VFS_DWORDS
; i
++)
1659 SHMEM2_WR(bp
, drv_ack_vf_disabled
[BP_FW_MB_IDX(bp
)][i
],
1660 bp
->vfdb
->flrd_vfs
[i
]);
1662 bnx2x_fw_command(bp
, DRV_MSG_CODE_VF_DISABLED_DONE
, 0);
1664 /* clear the acked bits - better yet if the MCP implemented
1665 * write to clear semantics
1667 for (i
= 0; i
< FLRD_VFS_DWORDS
; i
++)
1668 SHMEM2_WR(bp
, drv_ack_vf_disabled
[BP_FW_MB_IDX(bp
)][i
], 0);
1671 void bnx2x_vf_handle_flr_event(struct bnx2x
*bp
)
1675 /* Read FLR'd VFs */
1676 for (i
= 0; i
< FLRD_VFS_DWORDS
; i
++)
1677 bp
->vfdb
->flrd_vfs
[i
] = SHMEM2_RD(bp
, mcp_vf_disabled
[i
]);
1680 "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n",
1681 bp
->vfdb
->flrd_vfs
[0], bp
->vfdb
->flrd_vfs
[1]);
1683 for_each_vf(bp
, i
) {
1684 struct bnx2x_virtf
*vf
= BP_VF(bp
, i
);
1687 if (vf
->abs_vfid
< 32)
1688 reset
= bp
->vfdb
->flrd_vfs
[0] & (1 << vf
->abs_vfid
);
1690 reset
= bp
->vfdb
->flrd_vfs
[1] &
1691 (1 << (vf
->abs_vfid
- 32));
1694 /* set as reset and ready for cleanup */
1695 vf
->state
= VF_RESET
;
1696 vf
->flr_clnup_stage
= VF_FLR_CLN
;
1699 "Initiating Final cleanup for VF %d\n",
1704 /* do the FLR cleanup for all marked VFs*/
1705 bnx2x_vf_flr_clnup(bp
, NULL
);
1708 /* IOV global initialization routines */
1709 void bnx2x_iov_init_dq(struct bnx2x
*bp
)
1714 /* Set the DQ such that the CID reflect the abs_vfid */
1715 REG_WR(bp
, DORQ_REG_VF_NORM_VF_BASE
, 0);
1716 REG_WR(bp
, DORQ_REG_MAX_RVFID_SIZE
, ilog2(BNX2X_MAX_NUM_OF_VFS
));
1718 /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to
1721 REG_WR(bp
, DORQ_REG_VF_NORM_CID_BASE
, BNX2X_FIRST_VF_CID
);
1723 /* The VF window size is the log2 of the max number of CIDs per VF */
1724 REG_WR(bp
, DORQ_REG_VF_NORM_CID_WND_SIZE
, BNX2X_VF_CID_WND
);
1726 /* The VF doorbell size 0 - *B, 4 - 128B. We set it here to match
1727 * the Pf doorbell size although the 2 are independent.
1729 REG_WR(bp
, DORQ_REG_VF_NORM_CID_OFST
,
1730 BNX2X_DB_SHIFT
- BNX2X_DB_MIN_SHIFT
);
1732 /* No security checks for now -
1733 * configure single rule (out of 16) mask = 0x1, value = 0x0,
1734 * CID range 0 - 0x1ffff
1736 REG_WR(bp
, DORQ_REG_VF_TYPE_MASK_0
, 1);
1737 REG_WR(bp
, DORQ_REG_VF_TYPE_VALUE_0
, 0);
1738 REG_WR(bp
, DORQ_REG_VF_TYPE_MIN_MCID_0
, 0);
1739 REG_WR(bp
, DORQ_REG_VF_TYPE_MAX_MCID_0
, 0x1ffff);
1741 /* set the number of VF allowed doorbells to the full DQ range */
1742 REG_WR(bp
, DORQ_REG_VF_NORM_MAX_CID_COUNT
, 0x20000);
1744 /* set the VF doorbell threshold */
1745 REG_WR(bp
, DORQ_REG_VF_USAGE_CT_LIMIT
, 4);
1748 void bnx2x_iov_init_dmae(struct bnx2x
*bp
)
1750 DP(BNX2X_MSG_IOV
, "SRIOV is %s\n", IS_SRIOV(bp
) ? "ON" : "OFF");
1754 REG_WR(bp
, DMAE_REG_BACKWARD_COMP_EN
, 0);
1757 static int bnx2x_vf_bus(struct bnx2x
*bp
, int vfid
)
1759 struct pci_dev
*dev
= bp
->pdev
;
1760 struct bnx2x_sriov
*iov
= &bp
->vfdb
->sriov
;
1762 return dev
->bus
->number
+ ((dev
->devfn
+ iov
->offset
+
1763 iov
->stride
* vfid
) >> 8);
1766 static int bnx2x_vf_devfn(struct bnx2x
*bp
, int vfid
)
1768 struct pci_dev
*dev
= bp
->pdev
;
1769 struct bnx2x_sriov
*iov
= &bp
->vfdb
->sriov
;
1771 return (dev
->devfn
+ iov
->offset
+ iov
->stride
* vfid
) & 0xff;
1774 static void bnx2x_vf_set_bars(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
1777 struct pci_dev
*dev
= bp
->pdev
;
1778 struct bnx2x_sriov
*iov
= &bp
->vfdb
->sriov
;
1780 for (i
= 0, n
= 0; i
< PCI_SRIOV_NUM_BARS
; i
+= 2, n
++) {
1781 u64 start
= pci_resource_start(dev
, PCI_IOV_RESOURCES
+ i
);
1782 u32 size
= pci_resource_len(dev
, PCI_IOV_RESOURCES
+ i
);
1785 vf
->bars
[n
].bar
= start
+ size
* vf
->abs_vfid
;
1786 vf
->bars
[n
].size
= size
;
1790 static int bnx2x_ari_enabled(struct pci_dev
*dev
)
1792 return dev
->bus
->self
&& dev
->bus
->self
->ari_enabled
;
1796 bnx2x_get_vf_igu_cam_info(struct bnx2x
*bp
)
1802 /* IGU in normal mode - read CAM */
1803 for (sb_id
= 0; sb_id
< IGU_REG_MAPPING_MEMORY_SIZE
; sb_id
++) {
1804 val
= REG_RD(bp
, IGU_REG_MAPPING_MEMORY
+ sb_id
* 4);
1805 if (!(val
& IGU_REG_MAPPING_MEMORY_VALID
))
1807 fid
= GET_FIELD((val
), IGU_REG_MAPPING_MEMORY_FID
);
1808 if (!(fid
& IGU_FID_ENCODE_IS_PF
))
1809 bnx2x_vf_set_igu_info(bp
, sb_id
,
1810 (fid
& IGU_FID_VF_NUM_MASK
));
1812 DP(BNX2X_MSG_IOV
, "%s[%d], igu_sb_id=%d, msix=%d\n",
1813 ((fid
& IGU_FID_ENCODE_IS_PF
) ? "PF" : "VF"),
1814 ((fid
& IGU_FID_ENCODE_IS_PF
) ? (fid
& IGU_FID_PF_NUM_MASK
) :
1815 (fid
& IGU_FID_VF_NUM_MASK
)), sb_id
,
1816 GET_FIELD((val
), IGU_REG_MAPPING_MEMORY_VECTOR
));
1820 static void __bnx2x_iov_free_vfdb(struct bnx2x
*bp
)
1823 kfree(bp
->vfdb
->vfqs
);
1824 kfree(bp
->vfdb
->vfs
);
1830 static int bnx2x_sriov_pci_cfg_info(struct bnx2x
*bp
, struct bnx2x_sriov
*iov
)
1833 struct pci_dev
*dev
= bp
->pdev
;
1835 pos
= pci_find_ext_capability(dev
, PCI_EXT_CAP_ID_SRIOV
);
1837 BNX2X_ERR("failed to find SRIOV capability in device\n");
1842 DP(BNX2X_MSG_IOV
, "sriov ext pos %d\n", pos
);
1843 pci_read_config_word(dev
, pos
+ PCI_SRIOV_CTRL
, &iov
->ctrl
);
1844 pci_read_config_word(dev
, pos
+ PCI_SRIOV_TOTAL_VF
, &iov
->total
);
1845 pci_read_config_word(dev
, pos
+ PCI_SRIOV_INITIAL_VF
, &iov
->initial
);
1846 pci_read_config_word(dev
, pos
+ PCI_SRIOV_VF_OFFSET
, &iov
->offset
);
1847 pci_read_config_word(dev
, pos
+ PCI_SRIOV_VF_STRIDE
, &iov
->stride
);
1848 pci_read_config_dword(dev
, pos
+ PCI_SRIOV_SUP_PGSIZE
, &iov
->pgsz
);
1849 pci_read_config_dword(dev
, pos
+ PCI_SRIOV_CAP
, &iov
->cap
);
1850 pci_read_config_byte(dev
, pos
+ PCI_SRIOV_FUNC_LINK
, &iov
->link
);
1855 static int bnx2x_sriov_info(struct bnx2x
*bp
, struct bnx2x_sriov
*iov
)
1859 /* read the SRIOV capability structure
1860 * The fields can be read via configuration read or
1861 * directly from the device (starting at offset PCICFG_OFFSET)
1863 if (bnx2x_sriov_pci_cfg_info(bp
, iov
))
1866 /* get the number of SRIOV bars */
1869 /* read the first_vfid */
1870 val
= REG_RD(bp
, PCICFG_OFFSET
+ GRC_CONFIG_REG_PF_INIT_VF
);
1871 iov
->first_vf_in_pf
= ((val
& GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK
)
1872 * 8) - (BNX2X_MAX_NUM_OF_VFS
* BP_PATH(bp
));
1875 "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",
1877 iov
->first_vf_in_pf
, iov
->nres
, iov
->cap
, iov
->ctrl
, iov
->total
,
1878 iov
->initial
, iov
->nr_virtfn
, iov
->offset
, iov
->stride
, iov
->pgsz
);
1883 static u8
bnx2x_iov_get_max_queue_count(struct bnx2x
*bp
)
1890 queue_count
+= bnx2x_vf(bp
, i
, alloc_resc
.num_sbs
);
1895 /* must be called after PF bars are mapped */
1896 int bnx2x_iov_init_one(struct bnx2x
*bp
, int int_mode_param
,
1900 struct bnx2x_sriov
*iov
;
1901 struct pci_dev
*dev
= bp
->pdev
;
1909 /* verify sriov capability is present in configuration space */
1910 if (!pci_find_ext_capability(dev
, PCI_EXT_CAP_ID_SRIOV
))
1913 /* verify chip revision */
1914 if (CHIP_IS_E1x(bp
))
1917 /* check if SRIOV support is turned off */
1921 /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */
1922 if (BNX2X_L2_MAX_CID(bp
) >= BNX2X_FIRST_VF_CID
) {
1923 BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n",
1924 BNX2X_L2_MAX_CID(bp
), BNX2X_FIRST_VF_CID
);
1928 /* SRIOV can be enabled only with MSIX */
1929 if (int_mode_param
== BNX2X_INT_MODE_MSI
||
1930 int_mode_param
== BNX2X_INT_MODE_INTX
) {
1931 BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n");
1936 /* verify ari is enabled */
1937 if (!bnx2x_ari_enabled(bp
->pdev
)) {
1938 BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n");
1942 /* verify igu is in normal mode */
1943 if (CHIP_INT_MODE_IS_BC(bp
)) {
1944 BNX2X_ERR("IGU not normal mode, SRIOV can not be enabled\n");
1948 /* allocate the vfs database */
1949 bp
->vfdb
= kzalloc(sizeof(*(bp
->vfdb
)), GFP_KERNEL
);
1951 BNX2X_ERR("failed to allocate vf database\n");
1956 /* get the sriov info - Linux already collected all the pertinent
1957 * information, however the sriov structure is for the private use
1958 * of the pci module. Also we want this information regardless
1959 * of the hyper-visor.
1961 iov
= &(bp
->vfdb
->sriov
);
1962 err
= bnx2x_sriov_info(bp
, iov
);
1966 /* SR-IOV capability was enabled but there are no VFs*/
1967 if (iov
->total
== 0)
1970 iov
->nr_virtfn
= min_t(u16
, iov
->total
, num_vfs_param
);
1972 DP(BNX2X_MSG_IOV
, "num_vfs_param was %d, nr_virtfn was %d\n",
1973 num_vfs_param
, iov
->nr_virtfn
);
1975 /* allocate the vf array */
1976 bp
->vfdb
->vfs
= kzalloc(sizeof(struct bnx2x_virtf
) *
1977 BNX2X_NR_VIRTFN(bp
), GFP_KERNEL
);
1978 if (!bp
->vfdb
->vfs
) {
1979 BNX2X_ERR("failed to allocate vf array\n");
1984 /* Initial VF init - index and abs_vfid - nr_virtfn must be set */
1985 for_each_vf(bp
, i
) {
1986 bnx2x_vf(bp
, i
, index
) = i
;
1987 bnx2x_vf(bp
, i
, abs_vfid
) = iov
->first_vf_in_pf
+ i
;
1988 bnx2x_vf(bp
, i
, state
) = VF_FREE
;
1989 INIT_LIST_HEAD(&bnx2x_vf(bp
, i
, op_list_head
));
1990 mutex_init(&bnx2x_vf(bp
, i
, op_mutex
));
1991 bnx2x_vf(bp
, i
, op_current
) = CHANNEL_TLV_NONE
;
1994 /* re-read the IGU CAM for VFs - index and abs_vfid must be set */
1995 bnx2x_get_vf_igu_cam_info(bp
);
1997 /* get the total queue count and allocate the global queue arrays */
1998 qcount
= bnx2x_iov_get_max_queue_count(bp
);
2000 /* allocate the queue arrays for all VFs */
2001 bp
->vfdb
->vfqs
= kzalloc(qcount
* sizeof(struct bnx2x_vf_queue
),
2003 if (!bp
->vfdb
->vfqs
) {
2004 BNX2X_ERR("failed to allocate vf queue array\n");
2011 DP(BNX2X_MSG_IOV
, "Failed err=%d\n", err
);
2012 __bnx2x_iov_free_vfdb(bp
);
2016 void bnx2x_iov_remove_one(struct bnx2x
*bp
)
2018 /* if SRIOV is not enabled there's nothing to do */
2022 DP(BNX2X_MSG_IOV
, "about to call disable sriov\n");
2023 pci_disable_sriov(bp
->pdev
);
2024 DP(BNX2X_MSG_IOV
, "sriov disabled\n");
2026 /* free vf database */
2027 __bnx2x_iov_free_vfdb(bp
);
2030 void bnx2x_iov_free_mem(struct bnx2x
*bp
)
2037 /* free vfs hw contexts */
2038 for (i
= 0; i
< BNX2X_VF_CIDS
/ILT_PAGE_CIDS
; i
++) {
2039 struct hw_dma
*cxt
= &bp
->vfdb
->context
[i
];
2040 BNX2X_PCI_FREE(cxt
->addr
, cxt
->mapping
, cxt
->size
);
2043 BNX2X_PCI_FREE(BP_VFDB(bp
)->sp_dma
.addr
,
2044 BP_VFDB(bp
)->sp_dma
.mapping
,
2045 BP_VFDB(bp
)->sp_dma
.size
);
2047 BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp
)->addr
,
2048 BP_VF_MBX_DMA(bp
)->mapping
,
2049 BP_VF_MBX_DMA(bp
)->size
);
2051 BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp
)->addr
,
2052 BP_VF_BULLETIN_DMA(bp
)->mapping
,
2053 BP_VF_BULLETIN_DMA(bp
)->size
);
2056 int bnx2x_iov_alloc_mem(struct bnx2x
*bp
)
2064 /* allocate vfs hw contexts */
2065 tot_size
= (BP_VFDB(bp
)->sriov
.first_vf_in_pf
+ BNX2X_NR_VIRTFN(bp
)) *
2066 BNX2X_CIDS_PER_VF
* sizeof(union cdu_context
);
2068 for (i
= 0; i
< BNX2X_VF_CIDS
/ILT_PAGE_CIDS
; i
++) {
2069 struct hw_dma
*cxt
= BP_VF_CXT_PAGE(bp
, i
);
2070 cxt
->size
= min_t(size_t, tot_size
, CDU_ILT_PAGE_SZ
);
2073 BNX2X_PCI_ALLOC(cxt
->addr
, &cxt
->mapping
, cxt
->size
);
2078 tot_size
-= cxt
->size
;
2081 /* allocate vfs ramrods dma memory - client_init and set_mac */
2082 tot_size
= BNX2X_NR_VIRTFN(bp
) * sizeof(struct bnx2x_vf_sp
);
2083 BNX2X_PCI_ALLOC(BP_VFDB(bp
)->sp_dma
.addr
, &BP_VFDB(bp
)->sp_dma
.mapping
,
2085 BP_VFDB(bp
)->sp_dma
.size
= tot_size
;
2087 /* allocate mailboxes */
2088 tot_size
= BNX2X_NR_VIRTFN(bp
) * MBX_MSG_ALIGNED_SIZE
;
2089 BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp
)->addr
, &BP_VF_MBX_DMA(bp
)->mapping
,
2091 BP_VF_MBX_DMA(bp
)->size
= tot_size
;
2093 /* allocate local bulletin boards */
2094 tot_size
= BNX2X_NR_VIRTFN(bp
) * BULLETIN_CONTENT_SIZE
;
2095 BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp
)->addr
,
2096 &BP_VF_BULLETIN_DMA(bp
)->mapping
, tot_size
);
2097 BP_VF_BULLETIN_DMA(bp
)->size
= tot_size
;
2105 static void bnx2x_vfq_init(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
,
2106 struct bnx2x_vf_queue
*q
)
2108 u8 cl_id
= vfq_cl_id(vf
, q
);
2109 u8 func_id
= FW_VF_HANDLE(vf
->abs_vfid
);
2110 unsigned long q_type
= 0;
2112 set_bit(BNX2X_Q_TYPE_HAS_TX
, &q_type
);
2113 set_bit(BNX2X_Q_TYPE_HAS_RX
, &q_type
);
2115 /* Queue State object */
2116 bnx2x_init_queue_obj(bp
, &q
->sp_obj
,
2117 cl_id
, &q
->cid
, 1, func_id
,
2118 bnx2x_vf_sp(bp
, vf
, q_data
),
2119 bnx2x_vf_sp_map(bp
, vf
, q_data
),
2123 "initialized vf %d's queue object. func id set to %d\n",
2124 vf
->abs_vfid
, q
->sp_obj
.func_id
);
2126 /* mac/vlan objects are per queue, but only those
2127 * that belong to the leading queue are initialized
2129 if (vfq_is_leading(q
)) {
2131 bnx2x_init_mac_obj(bp
, &q
->mac_obj
,
2132 cl_id
, q
->cid
, func_id
,
2133 bnx2x_vf_sp(bp
, vf
, mac_rdata
),
2134 bnx2x_vf_sp_map(bp
, vf
, mac_rdata
),
2135 BNX2X_FILTER_MAC_PENDING
,
2137 BNX2X_OBJ_TYPE_RX_TX
,
2140 bnx2x_init_vlan_obj(bp
, &q
->vlan_obj
,
2141 cl_id
, q
->cid
, func_id
,
2142 bnx2x_vf_sp(bp
, vf
, vlan_rdata
),
2143 bnx2x_vf_sp_map(bp
, vf
, vlan_rdata
),
2144 BNX2X_FILTER_VLAN_PENDING
,
2146 BNX2X_OBJ_TYPE_RX_TX
,
2150 bnx2x_init_mcast_obj(bp
, &vf
->mcast_obj
, cl_id
,
2151 q
->cid
, func_id
, func_id
,
2152 bnx2x_vf_sp(bp
, vf
, mcast_rdata
),
2153 bnx2x_vf_sp_map(bp
, vf
, mcast_rdata
),
2154 BNX2X_FILTER_MCAST_PENDING
,
2156 BNX2X_OBJ_TYPE_RX_TX
);
2158 vf
->leading_rss
= cl_id
;
2162 /* called by bnx2x_nic_load */
2163 int bnx2x_iov_nic_init(struct bnx2x
*bp
)
2165 int vfid
, qcount
, i
;
2167 if (!IS_SRIOV(bp
)) {
2168 DP(BNX2X_MSG_IOV
, "vfdb was not allocated\n");
2172 DP(BNX2X_MSG_IOV
, "num of vfs: %d\n", (bp
)->vfdb
->sriov
.nr_virtfn
);
2174 /* let FLR complete ... */
2177 /* initialize vf database */
2178 for_each_vf(bp
, vfid
) {
2179 struct bnx2x_virtf
*vf
= BP_VF(bp
, vfid
);
2181 int base_vf_cid
= (BP_VFDB(bp
)->sriov
.first_vf_in_pf
+ vfid
) *
2184 union cdu_context
*base_cxt
= (union cdu_context
*)
2185 BP_VF_CXT_PAGE(bp
, base_vf_cid
/ILT_PAGE_CIDS
)->addr
+
2186 (base_vf_cid
& (ILT_PAGE_CIDS
-1));
2189 "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n",
2190 vf
->abs_vfid
, vf_sb_count(vf
), base_vf_cid
,
2191 BNX2X_FIRST_VF_CID
+ base_vf_cid
, base_cxt
);
2193 /* init statically provisioned resources */
2194 bnx2x_iov_static_resc(bp
, &vf
->alloc_resc
);
2196 /* queues are initialized during VF-ACQUIRE */
2198 /* reserve the vf vlan credit */
2199 bp
->vlans_pool
.get(&bp
->vlans_pool
, vf_vlan_rules_cnt(vf
));
2201 vf
->filter_state
= 0;
2202 vf
->sp_cl_id
= bnx2x_fp(bp
, 0, cl_id
);
2204 /* init mcast object - This object will be re-initialized
2205 * during VF-ACQUIRE with the proper cl_id and cid.
2206 * It needs to be initialized here so that it can be safely
2207 * handled by a subsequent FLR flow.
2209 bnx2x_init_mcast_obj(bp
, &vf
->mcast_obj
, 0xFF,
2211 bnx2x_vf_sp(bp
, vf
, mcast_rdata
),
2212 bnx2x_vf_sp_map(bp
, vf
, mcast_rdata
),
2213 BNX2X_FILTER_MCAST_PENDING
,
2215 BNX2X_OBJ_TYPE_RX_TX
);
2217 /* set the mailbox message addresses */
2218 BP_VF_MBX(bp
, vfid
)->msg
= (struct bnx2x_vf_mbx_msg
*)
2219 (((u8
*)BP_VF_MBX_DMA(bp
)->addr
) + vfid
*
2220 MBX_MSG_ALIGNED_SIZE
);
2222 BP_VF_MBX(bp
, vfid
)->msg_mapping
= BP_VF_MBX_DMA(bp
)->mapping
+
2223 vfid
* MBX_MSG_ALIGNED_SIZE
;
2225 /* Enable vf mailbox */
2226 bnx2x_vf_enable_mbx(bp
, vf
->abs_vfid
);
2231 for_each_vf(bp
, i
) {
2232 struct bnx2x_virtf
*vf
= BP_VF(bp
, i
);
2234 /* fill in the BDF and bars */
2235 vf
->bus
= bnx2x_vf_bus(bp
, i
);
2236 vf
->devfn
= bnx2x_vf_devfn(bp
, i
);
2237 bnx2x_vf_set_bars(bp
, vf
);
2240 "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n",
2241 vf
->abs_vfid
, vf
->bus
, vf
->devfn
,
2242 (unsigned)vf
->bars
[0].bar
, vf
->bars
[0].size
,
2243 (unsigned)vf
->bars
[1].bar
, vf
->bars
[1].size
,
2244 (unsigned)vf
->bars
[2].bar
, vf
->bars
[2].size
);
2246 /* set local queue arrays */
2247 vf
->vfqs
= &bp
->vfdb
->vfqs
[qcount
];
2248 qcount
+= bnx2x_vf(bp
, i
, alloc_resc
.num_sbs
);
2254 /* called by bnx2x_chip_cleanup */
2255 int bnx2x_iov_chip_cleanup(struct bnx2x
*bp
)
2262 /* release all the VFs */
2264 bnx2x_vf_release(bp
, BP_VF(bp
, i
), true); /* blocking */
2269 /* called by bnx2x_init_hw_func, returns the next ilt line */
2270 int bnx2x_iov_init_ilt(struct bnx2x
*bp
, u16 line
)
2273 struct bnx2x_ilt
*ilt
= BP_ILT(bp
);
2278 /* set vfs ilt lines */
2279 for (i
= 0; i
< BNX2X_VF_CIDS
/ILT_PAGE_CIDS
; i
++) {
2280 struct hw_dma
*hw_cxt
= BP_VF_CXT_PAGE(bp
, i
);
2282 ilt
->lines
[line
+i
].page
= hw_cxt
->addr
;
2283 ilt
->lines
[line
+i
].page_mapping
= hw_cxt
->mapping
;
2284 ilt
->lines
[line
+i
].size
= hw_cxt
->size
; /* doesn't matter */
2289 static u8
bnx2x_iov_is_vf_cid(struct bnx2x
*bp
, u16 cid
)
2291 return ((cid
>= BNX2X_FIRST_VF_CID
) &&
2292 ((cid
- BNX2X_FIRST_VF_CID
) < BNX2X_VF_CIDS
));
2296 void bnx2x_vf_handle_classification_eqe(struct bnx2x
*bp
,
2297 struct bnx2x_vf_queue
*vfq
,
2298 union event_ring_elem
*elem
)
2300 unsigned long ramrod_flags
= 0;
2303 /* Always push next commands out, don't wait here */
2304 set_bit(RAMROD_CONT
, &ramrod_flags
);
2306 switch (elem
->message
.data
.eth_event
.echo
>> BNX2X_SWCID_SHIFT
) {
2307 case BNX2X_FILTER_MAC_PENDING
:
2308 rc
= vfq
->mac_obj
.complete(bp
, &vfq
->mac_obj
, elem
,
2311 case BNX2X_FILTER_VLAN_PENDING
:
2312 rc
= vfq
->vlan_obj
.complete(bp
, &vfq
->vlan_obj
, elem
,
2316 BNX2X_ERR("Unsupported classification command: %d\n",
2317 elem
->message
.data
.eth_event
.echo
);
2321 BNX2X_ERR("Failed to schedule new commands: %d\n", rc
);
2323 DP(BNX2X_MSG_IOV
, "Scheduled next pending commands...\n");
2327 void bnx2x_vf_handle_mcast_eqe(struct bnx2x
*bp
,
2328 struct bnx2x_virtf
*vf
)
2330 struct bnx2x_mcast_ramrod_params rparam
= {NULL
};
2333 rparam
.mcast_obj
= &vf
->mcast_obj
;
2334 vf
->mcast_obj
.raw
.clear_pending(&vf
->mcast_obj
.raw
);
2336 /* If there are pending mcast commands - send them */
2337 if (vf
->mcast_obj
.check_pending(&vf
->mcast_obj
)) {
2338 rc
= bnx2x_config_mcast(bp
, &rparam
, BNX2X_MCAST_CMD_CONT
);
2340 BNX2X_ERR("Failed to send pending mcast commands: %d\n",
2346 void bnx2x_vf_handle_filters_eqe(struct bnx2x
*bp
,
2347 struct bnx2x_virtf
*vf
)
2349 smp_mb__before_clear_bit();
2350 clear_bit(BNX2X_FILTER_RX_MODE_PENDING
, &vf
->filter_state
);
2351 smp_mb__after_clear_bit();
2354 int bnx2x_iov_eq_sp_event(struct bnx2x
*bp
, union event_ring_elem
*elem
)
2356 struct bnx2x_virtf
*vf
;
2357 int qidx
= 0, abs_vfid
;
2364 /* first get the cid - the only events we handle here are cfc-delete
2365 * and set-mac completion
2367 opcode
= elem
->message
.opcode
;
2370 case EVENT_RING_OPCODE_CFC_DEL
:
2371 cid
= SW_CID((__force __le32
)
2372 elem
->message
.data
.cfc_del_event
.cid
);
2373 DP(BNX2X_MSG_IOV
, "checking cfc-del comp cid=%d\n", cid
);
2375 case EVENT_RING_OPCODE_CLASSIFICATION_RULES
:
2376 case EVENT_RING_OPCODE_MULTICAST_RULES
:
2377 case EVENT_RING_OPCODE_FILTERS_RULES
:
2378 cid
= (elem
->message
.data
.eth_event
.echo
&
2380 DP(BNX2X_MSG_IOV
, "checking filtering comp cid=%d\n", cid
);
2382 case EVENT_RING_OPCODE_VF_FLR
:
2383 abs_vfid
= elem
->message
.data
.vf_flr_event
.vf_id
;
2384 DP(BNX2X_MSG_IOV
, "Got VF FLR notification abs_vfid=%d\n",
2387 case EVENT_RING_OPCODE_MALICIOUS_VF
:
2388 abs_vfid
= elem
->message
.data
.malicious_vf_event
.vf_id
;
2389 DP(BNX2X_MSG_IOV
, "Got VF MALICIOUS notification abs_vfid=%d err_id=0x%x\n",
2390 abs_vfid
, elem
->message
.data
.malicious_vf_event
.err_id
);
2396 /* check if the cid is the VF range */
2397 if (!bnx2x_iov_is_vf_cid(bp
, cid
)) {
2398 DP(BNX2X_MSG_IOV
, "cid is outside vf range: %d\n", cid
);
2402 /* extract vf and rxq index from vf_cid - relies on the following:
2403 * 1. vfid on cid reflects the true abs_vfid
2404 * 2. The max number of VFs (per path) is 64
2406 qidx
= cid
& ((1 << BNX2X_VF_CID_WND
)-1);
2407 abs_vfid
= (cid
>> BNX2X_VF_CID_WND
) & (BNX2X_MAX_NUM_OF_VFS
-1);
2409 vf
= bnx2x_vf_by_abs_fid(bp
, abs_vfid
);
2412 BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n",
2418 case EVENT_RING_OPCODE_CFC_DEL
:
2419 DP(BNX2X_MSG_IOV
, "got VF [%d:%d] cfc delete ramrod\n",
2420 vf
->abs_vfid
, qidx
);
2421 vfq_get(vf
, qidx
)->sp_obj
.complete_cmd(bp
,
2424 BNX2X_Q_CMD_CFC_DEL
);
2426 case EVENT_RING_OPCODE_CLASSIFICATION_RULES
:
2427 DP(BNX2X_MSG_IOV
, "got VF [%d:%d] set mac/vlan ramrod\n",
2428 vf
->abs_vfid
, qidx
);
2429 bnx2x_vf_handle_classification_eqe(bp
, vfq_get(vf
, qidx
), elem
);
2431 case EVENT_RING_OPCODE_MULTICAST_RULES
:
2432 DP(BNX2X_MSG_IOV
, "got VF [%d:%d] set mcast ramrod\n",
2433 vf
->abs_vfid
, qidx
);
2434 bnx2x_vf_handle_mcast_eqe(bp
, vf
);
2436 case EVENT_RING_OPCODE_FILTERS_RULES
:
2437 DP(BNX2X_MSG_IOV
, "got VF [%d:%d] set rx-mode ramrod\n",
2438 vf
->abs_vfid
, qidx
);
2439 bnx2x_vf_handle_filters_eqe(bp
, vf
);
2441 case EVENT_RING_OPCODE_VF_FLR
:
2442 DP(BNX2X_MSG_IOV
, "got VF [%d] FLR notification\n",
2444 /* Do nothing for now */
2446 case EVENT_RING_OPCODE_MALICIOUS_VF
:
2447 DP(BNX2X_MSG_IOV
, "Got VF MALICIOUS notification abs_vfid=%d error id %x\n",
2448 abs_vfid
, elem
->message
.data
.malicious_vf_event
.err_id
);
2449 /* Do nothing for now */
2452 /* SRIOV: reschedule any 'in_progress' operations */
2453 bnx2x_iov_sp_event(bp
, cid
, false);
2458 static struct bnx2x_virtf
*bnx2x_vf_by_cid(struct bnx2x
*bp
, int vf_cid
)
2460 /* extract the vf from vf_cid - relies on the following:
2461 * 1. vfid on cid reflects the true abs_vfid
2462 * 2. The max number of VFs (per path) is 64
2464 int abs_vfid
= (vf_cid
>> BNX2X_VF_CID_WND
) & (BNX2X_MAX_NUM_OF_VFS
-1);
2465 return bnx2x_vf_by_abs_fid(bp
, abs_vfid
);
2468 void bnx2x_iov_set_queue_sp_obj(struct bnx2x
*bp
, int vf_cid
,
2469 struct bnx2x_queue_sp_obj
**q_obj
)
2471 struct bnx2x_virtf
*vf
;
2476 vf
= bnx2x_vf_by_cid(bp
, vf_cid
);
2479 /* extract queue index from vf_cid - relies on the following:
2480 * 1. vfid on cid reflects the true abs_vfid
2481 * 2. The max number of VFs (per path) is 64
2483 int q_index
= vf_cid
& ((1 << BNX2X_VF_CID_WND
)-1);
2484 *q_obj
= &bnx2x_vfq(vf
, q_index
, sp_obj
);
2486 BNX2X_ERR("No vf matching cid %d\n", vf_cid
);
2490 void bnx2x_iov_sp_event(struct bnx2x
*bp
, int vf_cid
, bool queue_work
)
2492 struct bnx2x_virtf
*vf
;
2494 /* check if the cid is the VF range */
2495 if (!IS_SRIOV(bp
) || !bnx2x_iov_is_vf_cid(bp
, vf_cid
))
2498 vf
= bnx2x_vf_by_cid(bp
, vf_cid
);
2500 /* set in_progress flag */
2501 atomic_set(&vf
->op_in_progress
, 1);
2503 queue_delayed_work(bnx2x_wq
, &bp
->sp_task
, 0);
2507 void bnx2x_iov_adjust_stats_req(struct bnx2x
*bp
)
2510 int first_queue_query_index
, num_queues_req
;
2511 dma_addr_t cur_data_offset
;
2512 struct stats_query_entry
*cur_query_entry
;
2514 bool is_fcoe
= false;
2522 /* fcoe adds one global request and one queue request */
2523 num_queues_req
= BNX2X_NUM_ETH_QUEUES(bp
) + is_fcoe
;
2524 first_queue_query_index
= BNX2X_FIRST_QUEUE_QUERY_IDX
-
2528 "BNX2X_NUM_ETH_QUEUES %d, is_fcoe %d, first_queue_query_index %d => determined the last non virtual statistics query index is %d. Will add queries on top of that\n",
2529 BNX2X_NUM_ETH_QUEUES(bp
), is_fcoe
, first_queue_query_index
,
2530 first_queue_query_index
+ num_queues_req
);
2532 cur_data_offset
= bp
->fw_stats_data_mapping
+
2533 offsetof(struct bnx2x_fw_stats_data
, queue_stats
) +
2534 num_queues_req
* sizeof(struct per_queue_stats
);
2536 cur_query_entry
= &bp
->fw_stats_req
->
2537 query
[first_queue_query_index
+ num_queues_req
];
2539 for_each_vf(bp
, i
) {
2541 struct bnx2x_virtf
*vf
= BP_VF(bp
, i
);
2543 if (vf
->state
!= VF_ENABLED
) {
2545 "vf %d not enabled so no stats for it\n",
2550 DP(BNX2X_MSG_IOV
, "add addresses for vf %d\n", vf
->abs_vfid
);
2551 for_each_vfq(vf
, j
) {
2552 struct bnx2x_vf_queue
*rxq
= vfq_get(vf
, j
);
2554 /* collect stats fro active queues only */
2555 if (bnx2x_get_q_logical_state(bp
, &rxq
->sp_obj
) ==
2556 BNX2X_Q_LOGICAL_STATE_STOPPED
)
2559 /* create stats query entry for this queue */
2560 cur_query_entry
->kind
= STATS_TYPE_QUEUE
;
2561 cur_query_entry
->index
= vfq_cl_id(vf
, rxq
);
2562 cur_query_entry
->funcID
=
2563 cpu_to_le16(FW_VF_HANDLE(vf
->abs_vfid
));
2564 cur_query_entry
->address
.hi
=
2565 cpu_to_le32(U64_HI(vf
->fw_stat_map
));
2566 cur_query_entry
->address
.lo
=
2567 cpu_to_le32(U64_LO(vf
->fw_stat_map
));
2569 "added address %x %x for vf %d queue %d client %d\n",
2570 cur_query_entry
->address
.hi
,
2571 cur_query_entry
->address
.lo
, cur_query_entry
->funcID
,
2572 j
, cur_query_entry
->index
);
2574 cur_data_offset
+= sizeof(struct per_queue_stats
);
2578 bp
->fw_stats_req
->hdr
.cmd_num
= bp
->fw_stats_num
+ stats_count
;
2581 void bnx2x_iov_sp_task(struct bnx2x
*bp
)
2587 /* Iterate over all VFs and invoke state transition for VFs with
2588 * 'in-progress' slow-path operations
2590 DP(BNX2X_MSG_IOV
, "searching for pending vf operations\n");
2591 for_each_vf(bp
, i
) {
2592 struct bnx2x_virtf
*vf
= BP_VF(bp
, i
);
2594 if (!list_empty(&vf
->op_list_head
) &&
2595 atomic_read(&vf
->op_in_progress
)) {
2596 DP(BNX2X_MSG_IOV
, "running pending op for vf %d\n", i
);
2597 bnx2x_vfop_cur(bp
, vf
)->transition(bp
, vf
);
2603 struct bnx2x_virtf
*__vf_from_stat_id(struct bnx2x
*bp
, u8 stat_id
)
2606 struct bnx2x_virtf
*vf
= NULL
;
2608 for_each_vf(bp
, i
) {
2610 if (stat_id
>= vf
->igu_base_id
&&
2611 stat_id
< vf
->igu_base_id
+ vf_sb_count(vf
))
2617 /* VF API helpers */
2618 static void bnx2x_vf_qtbl_set_q(struct bnx2x
*bp
, u8 abs_vfid
, u8 qid
,
2621 u32 reg
= PXP_REG_HST_ZONE_PERMISSION_TABLE
+ qid
* 4;
2622 u32 val
= enable
? (abs_vfid
| (1 << 6)) : 0;
2624 REG_WR(bp
, reg
, val
);
2627 static void bnx2x_vf_clr_qtbl(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
2632 bnx2x_vf_qtbl_set_q(bp
, vf
->abs_vfid
,
2633 vfq_qzone_id(vf
, vfq_get(vf
, i
)), false);
2636 static void bnx2x_vf_igu_disable(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
2640 /* clear the VF configuration - pretend */
2641 bnx2x_pretend_func(bp
, HW_VF_HANDLE(bp
, vf
->abs_vfid
));
2642 val
= REG_RD(bp
, IGU_REG_VF_CONFIGURATION
);
2643 val
&= ~(IGU_VF_CONF_MSI_MSIX_EN
| IGU_VF_CONF_SINGLE_ISR_EN
|
2644 IGU_VF_CONF_FUNC_EN
| IGU_VF_CONF_PARENT_MASK
);
2645 REG_WR(bp
, IGU_REG_VF_CONFIGURATION
, val
);
2646 bnx2x_pretend_func(bp
, BP_ABS_FUNC(bp
));
2649 u8
bnx2x_vf_max_queue_cnt(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
2651 return min_t(u8
, min_t(u8
, vf_sb_count(vf
), BNX2X_CIDS_PER_VF
),
2652 BNX2X_VF_MAX_QUEUES
);
2656 int bnx2x_vf_chk_avail_resc(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
,
2657 struct vf_pf_resc_request
*req_resc
)
2659 u8 rxq_cnt
= vf_rxq_count(vf
) ? : bnx2x_vf_max_queue_cnt(bp
, vf
);
2660 u8 txq_cnt
= vf_txq_count(vf
) ? : bnx2x_vf_max_queue_cnt(bp
, vf
);
2662 return ((req_resc
->num_rxqs
<= rxq_cnt
) &&
2663 (req_resc
->num_txqs
<= txq_cnt
) &&
2664 (req_resc
->num_sbs
<= vf_sb_count(vf
)) &&
2665 (req_resc
->num_mac_filters
<= vf_mac_rules_cnt(vf
)) &&
2666 (req_resc
->num_vlan_filters
<= vf_vlan_rules_cnt(vf
)));
2670 int bnx2x_vf_acquire(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
,
2671 struct vf_pf_resc_request
*resc
)
2673 int base_vf_cid
= (BP_VFDB(bp
)->sriov
.first_vf_in_pf
+ vf
->index
) *
2676 union cdu_context
*base_cxt
= (union cdu_context
*)
2677 BP_VF_CXT_PAGE(bp
, base_vf_cid
/ILT_PAGE_CIDS
)->addr
+
2678 (base_vf_cid
& (ILT_PAGE_CIDS
-1));
2681 /* if state is 'acquired' the VF was not released or FLR'd, in
2682 * this case the returned resources match the acquired already
2683 * acquired resources. Verify that the requested numbers do
2684 * not exceed the already acquired numbers.
2686 if (vf
->state
== VF_ACQUIRED
) {
2687 DP(BNX2X_MSG_IOV
, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n",
2690 if (!bnx2x_vf_chk_avail_resc(bp
, vf
, resc
)) {
2691 BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n",
2698 /* Otherwise vf state must be 'free' or 'reset' */
2699 if (vf
->state
!= VF_FREE
&& vf
->state
!= VF_RESET
) {
2700 BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n",
2701 vf
->abs_vfid
, vf
->state
);
2705 /* static allocation:
2706 * the global maximum number are fixed per VF. Fail the request if
2707 * requested number exceed these globals
2709 if (!bnx2x_vf_chk_avail_resc(bp
, vf
, resc
)) {
2711 "cannot fulfill vf resource request. Placing maximal available values in response\n");
2712 /* set the max resource in the vf */
2716 /* Set resources counters - 0 request means max available */
2717 vf_sb_count(vf
) = resc
->num_sbs
;
2718 vf_rxq_count(vf
) = resc
->num_rxqs
? : bnx2x_vf_max_queue_cnt(bp
, vf
);
2719 vf_txq_count(vf
) = resc
->num_txqs
? : bnx2x_vf_max_queue_cnt(bp
, vf
);
2720 if (resc
->num_mac_filters
)
2721 vf_mac_rules_cnt(vf
) = resc
->num_mac_filters
;
2722 if (resc
->num_vlan_filters
)
2723 vf_vlan_rules_cnt(vf
) = resc
->num_vlan_filters
;
2726 "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n",
2727 vf_sb_count(vf
), vf_rxq_count(vf
),
2728 vf_txq_count(vf
), vf_mac_rules_cnt(vf
),
2729 vf_vlan_rules_cnt(vf
));
2731 /* Initialize the queues */
2733 DP(BNX2X_MSG_IOV
, "vf->vfqs was not allocated\n");
2737 for_each_vfq(vf
, i
) {
2738 struct bnx2x_vf_queue
*q
= vfq_get(vf
, i
);
2741 DP(BNX2X_MSG_IOV
, "q number %d was not allocated\n", i
);
2746 q
->cxt
= &((base_cxt
+ i
)->eth
);
2747 q
->cid
= BNX2X_FIRST_VF_CID
+ base_vf_cid
+ i
;
2749 DP(BNX2X_MSG_IOV
, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n",
2750 vf
->abs_vfid
, i
, q
->index
, q
->cid
, q
->cxt
);
2752 /* init SP objects */
2753 bnx2x_vfq_init(bp
, vf
, q
);
2755 vf
->state
= VF_ACQUIRED
;
2759 int bnx2x_vf_init(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
, dma_addr_t
*sb_map
)
2761 struct bnx2x_func_init_params func_init
= {0};
2765 /* the sb resources are initialized at this point, do the
2766 * FW/HW initializations
2768 for_each_vf_sb(vf
, i
)
2769 bnx2x_init_sb(bp
, (dma_addr_t
)sb_map
[i
], vf
->abs_vfid
, true,
2770 vf_igu_sb(vf
, i
), vf_igu_sb(vf
, i
));
2773 if (vf
->state
!= VF_ACQUIRED
) {
2774 DP(BNX2X_MSG_IOV
, "VF[%d] is not in VF_ACQUIRED, but %d\n",
2775 vf
->abs_vfid
, vf
->state
);
2779 /* let FLR complete ... */
2782 /* FLR cleanup epilogue */
2783 if (bnx2x_vf_flr_clnup_epilog(bp
, vf
->abs_vfid
))
2786 /* reset IGU VF statistics: MSIX */
2787 REG_WR(bp
, IGU_REG_STATISTIC_NUM_MESSAGE_SENT
+ vf
->abs_vfid
* 4 , 0);
2790 if (vf
->cfg_flags
& VF_CFG_STATS
)
2791 flags
|= (FUNC_FLG_STATS
| FUNC_FLG_SPQ
);
2793 if (vf
->cfg_flags
& VF_CFG_TPA
)
2794 flags
|= FUNC_FLG_TPA
;
2796 if (is_vf_multi(vf
))
2797 flags
|= FUNC_FLG_RSS
;
2799 /* function setup */
2800 func_init
.func_flgs
= flags
;
2801 func_init
.pf_id
= BP_FUNC(bp
);
2802 func_init
.func_id
= FW_VF_HANDLE(vf
->abs_vfid
);
2803 func_init
.fw_stat_map
= vf
->fw_stat_map
;
2804 func_init
.spq_map
= vf
->spq_map
;
2805 func_init
.spq_prod
= 0;
2806 bnx2x_func_init(bp
, &func_init
);
2809 bnx2x_vf_enable_access(bp
, vf
->abs_vfid
);
2810 bnx2x_vf_enable_traffic(bp
, vf
);
2812 /* queue protection table */
2814 bnx2x_vf_qtbl_set_q(bp
, vf
->abs_vfid
,
2815 vfq_qzone_id(vf
, vfq_get(vf
, i
)), true);
2817 vf
->state
= VF_ENABLED
;
2819 /* update vf bulletin board */
2820 bnx2x_post_vf_bulletin(bp
, vf
->index
);
2825 /* VFOP close (teardown the queues, delete mcasts and close HW) */
2826 static void bnx2x_vfop_close(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
2828 struct bnx2x_vfop
*vfop
= bnx2x_vfop_cur(bp
, vf
);
2829 struct bnx2x_vfop_args_qx
*qx
= &vfop
->args
.qx
;
2830 enum bnx2x_vfop_close_state state
= vfop
->state
;
2831 struct bnx2x_vfop_cmd cmd
= {
2832 .done
= bnx2x_vfop_close
,
2839 DP(BNX2X_MSG_IOV
, "vf[%d] STATE: %d\n", vf
->abs_vfid
, state
);
2842 case BNX2X_VFOP_CLOSE_QUEUES
:
2844 if (++(qx
->qid
) < vf_rxq_count(vf
)) {
2845 vfop
->rc
= bnx2x_vfop_qdown_cmd(bp
, vf
, &cmd
, qx
->qid
);
2851 /* remove multicasts */
2852 vfop
->state
= BNX2X_VFOP_CLOSE_HW
;
2853 vfop
->rc
= bnx2x_vfop_mcast_cmd(bp
, vf
, &cmd
, NULL
, 0, false);
2858 case BNX2X_VFOP_CLOSE_HW
:
2860 /* disable the interrupts */
2861 DP(BNX2X_MSG_IOV
, "disabling igu\n");
2862 bnx2x_vf_igu_disable(bp
, vf
);
2864 /* disable the VF */
2865 DP(BNX2X_MSG_IOV
, "clearing qtbl\n");
2866 bnx2x_vf_clr_qtbl(bp
, vf
);
2870 bnx2x_vfop_default(state
);
2873 BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf
->abs_vfid
, vfop
->rc
);
2875 vf
->state
= VF_ACQUIRED
;
2876 DP(BNX2X_MSG_IOV
, "set state to acquired\n");
2877 bnx2x_vfop_end(bp
, vf
, vfop
);
2880 int bnx2x_vfop_close_cmd(struct bnx2x
*bp
,
2881 struct bnx2x_virtf
*vf
,
2882 struct bnx2x_vfop_cmd
*cmd
)
2884 struct bnx2x_vfop
*vfop
= bnx2x_vfop_add(bp
, vf
);
2886 vfop
->args
.qx
.qid
= -1; /* loop */
2887 bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES
,
2888 bnx2x_vfop_close
, cmd
->done
);
2889 return bnx2x_vfop_transition(bp
, vf
, bnx2x_vfop_close
,
2895 /* VF release can be called either: 1. The VF was acquired but
2896 * not enabled 2. the vf was enabled or in the process of being
2899 static void bnx2x_vfop_release(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
)
2901 struct bnx2x_vfop
*vfop
= bnx2x_vfop_cur(bp
, vf
);
2902 struct bnx2x_vfop_cmd cmd
= {
2903 .done
= bnx2x_vfop_release
,
2907 DP(BNX2X_MSG_IOV
, "vfop->rc %d\n", vfop
->rc
);
2912 DP(BNX2X_MSG_IOV
, "VF[%d] STATE: %s\n", vf
->abs_vfid
,
2913 vf
->state
== VF_FREE
? "Free" :
2914 vf
->state
== VF_ACQUIRED
? "Acquired" :
2915 vf
->state
== VF_ENABLED
? "Enabled" :
2916 vf
->state
== VF_RESET
? "Reset" :
2919 switch (vf
->state
) {
2921 vfop
->rc
= bnx2x_vfop_close_cmd(bp
, vf
, &cmd
);
2927 DP(BNX2X_MSG_IOV
, "about to free resources\n");
2928 bnx2x_vf_free_resc(bp
, vf
);
2929 DP(BNX2X_MSG_IOV
, "vfop->rc %d\n", vfop
->rc
);
2937 bnx2x_vfop_default(vf
->state
);
2940 BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf
->abs_vfid
, vfop
->rc
);
2942 bnx2x_vfop_end(bp
, vf
, vfop
);
2945 int bnx2x_vfop_release_cmd(struct bnx2x
*bp
,
2946 struct bnx2x_virtf
*vf
,
2947 struct bnx2x_vfop_cmd
*cmd
)
2949 struct bnx2x_vfop
*vfop
= bnx2x_vfop_add(bp
, vf
);
2951 bnx2x_vfop_opset(-1, /* use vf->state */
2952 bnx2x_vfop_release
, cmd
->done
);
2953 return bnx2x_vfop_transition(bp
, vf
, bnx2x_vfop_release
,
2959 /* VF release ~ VF close + VF release-resources
2960 * Release is the ultimate SW shutdown and is called whenever an
2961 * irrecoverable error is encountered.
2963 void bnx2x_vf_release(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
, bool block
)
2965 struct bnx2x_vfop_cmd cmd
= {
2970 bnx2x_lock_vf_pf_channel(bp
, vf
, CHANNEL_TLV_PF_RELEASE_VF
);
2972 rc
= bnx2x_vfop_release_cmd(bp
, vf
, &cmd
);
2975 "VF[%d] Failed to allocate resources for release op- rc=%d\n",
2979 static inline void bnx2x_vf_get_sbdf(struct bnx2x
*bp
,
2980 struct bnx2x_virtf
*vf
, u32
*sbdf
)
2982 *sbdf
= vf
->devfn
| (vf
->bus
<< 8);
2985 static inline void bnx2x_vf_get_bars(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
,
2986 struct bnx2x_vf_bar_info
*bar_info
)
2990 bar_info
->nr_bars
= bp
->vfdb
->sriov
.nres
;
2991 for (n
= 0; n
< bar_info
->nr_bars
; n
++)
2992 bar_info
->bars
[n
] = vf
->bars
[n
];
2995 void bnx2x_lock_vf_pf_channel(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
,
2996 enum channel_tlvs tlv
)
2998 /* lock the channel */
2999 mutex_lock(&vf
->op_mutex
);
3001 /* record the locking op */
3002 vf
->op_current
= tlv
;
3005 DP(BNX2X_MSG_IOV
, "VF[%d]: vf pf channel locked by %d\n",
3009 void bnx2x_unlock_vf_pf_channel(struct bnx2x
*bp
, struct bnx2x_virtf
*vf
,
3010 enum channel_tlvs expected_tlv
)
3012 WARN(expected_tlv
!= vf
->op_current
,
3013 "lock mismatch: expected %d found %d", expected_tlv
,
3016 /* lock the channel */
3017 mutex_unlock(&vf
->op_mutex
);
3019 /* log the unlock */
3020 DP(BNX2X_MSG_IOV
, "VF[%d]: vf pf channel unlocked by %d\n",
3021 vf
->abs_vfid
, vf
->op_current
);
3023 /* record the locking op */
3024 vf
->op_current
= CHANNEL_TLV_NONE
;
3027 int bnx2x_sriov_configure(struct pci_dev
*dev
, int num_vfs_param
)
3029 struct bnx2x
*bp
= netdev_priv(pci_get_drvdata(dev
));
3031 DP(BNX2X_MSG_IOV
, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n",
3032 num_vfs_param
, BNX2X_NR_VIRTFN(bp
));
3034 /* HW channel is only operational when PF is up */
3035 if (bp
->state
!= BNX2X_STATE_OPEN
) {
3036 BNX2X_ERR("VF num configuration via sysfs not supported while PF is down\n");
3040 /* we are always bound by the total_vfs in the configuration space */
3041 if (num_vfs_param
> BNX2X_NR_VIRTFN(bp
)) {
3042 BNX2X_ERR("truncating requested number of VFs (%d) down to maximum allowed (%d)\n",
3043 num_vfs_param
, BNX2X_NR_VIRTFN(bp
));
3044 num_vfs_param
= BNX2X_NR_VIRTFN(bp
);
3047 bp
->requested_nr_virtfn
= num_vfs_param
;
3048 if (num_vfs_param
== 0) {
3049 pci_disable_sriov(dev
);
3052 return bnx2x_enable_sriov(bp
);
3056 int bnx2x_enable_sriov(struct bnx2x
*bp
)
3058 int rc
= 0, req_vfs
= bp
->requested_nr_virtfn
;
3060 rc
= pci_enable_sriov(bp
->pdev
, req_vfs
);
3062 BNX2X_ERR("pci_enable_sriov failed with %d\n", rc
);
3065 DP(BNX2X_MSG_IOV
, "sriov enabled (%d vfs)\n", req_vfs
);
3069 void bnx2x_pf_set_vfs_vlan(struct bnx2x
*bp
)
3072 struct pf_vf_bulletin_content
*bulletin
;
3074 DP(BNX2X_MSG_IOV
, "configuring vlan for VFs from sp-task\n");
3075 for_each_vf(bp
, vfidx
) {
3076 bulletin
= BP_VF_BULLETIN(bp
, vfidx
);
3077 if (BP_VF(bp
, vfidx
)->cfg_flags
& VF_CFG_VLAN
)
3078 bnx2x_set_vf_vlan(bp
->dev
, vfidx
, bulletin
->vlan
, 0);
3082 void bnx2x_disable_sriov(struct bnx2x
*bp
)
3084 pci_disable_sriov(bp
->pdev
);
3087 static int bnx2x_vf_ndo_sanity(struct bnx2x
*bp
, int vfidx
,
3088 struct bnx2x_virtf
*vf
)
3090 if (bp
->state
!= BNX2X_STATE_OPEN
) {
3091 BNX2X_ERR("vf ndo called though PF is down\n");
3095 if (!IS_SRIOV(bp
)) {
3096 BNX2X_ERR("vf ndo called though sriov is disabled\n");
3100 if (vfidx
>= BNX2X_NR_VIRTFN(bp
)) {
3101 BNX2X_ERR("vf ndo called for uninitialized VF. vfidx was %d BNX2X_NR_VIRTFN was %d\n",
3102 vfidx
, BNX2X_NR_VIRTFN(bp
));
3107 BNX2X_ERR("vf ndo called but vf was null. vfidx was %d\n",
3115 int bnx2x_get_vf_config(struct net_device
*dev
, int vfidx
,
3116 struct ifla_vf_info
*ivi
)
3118 struct bnx2x
*bp
= netdev_priv(dev
);
3119 struct bnx2x_virtf
*vf
= BP_VF(bp
, vfidx
);
3120 struct bnx2x_vlan_mac_obj
*mac_obj
= &bnx2x_vfq(vf
, 0, mac_obj
);
3121 struct bnx2x_vlan_mac_obj
*vlan_obj
= &bnx2x_vfq(vf
, 0, vlan_obj
);
3122 struct pf_vf_bulletin_content
*bulletin
= BP_VF_BULLETIN(bp
, vfidx
);
3126 rc
= bnx2x_vf_ndo_sanity(bp
, vfidx
, vf
);
3129 if (!mac_obj
|| !vlan_obj
|| !bulletin
) {
3130 BNX2X_ERR("VF partially initialized\n");
3136 ivi
->tx_rate
= 10000; /* always 10G. TBA take from link struct */
3137 ivi
->spoofchk
= 1; /*always enabled */
3138 if (vf
->state
== VF_ENABLED
) {
3139 /* mac and vlan are in vlan_mac objects */
3140 mac_obj
->get_n_elements(bp
, mac_obj
, 1, (u8
*)&ivi
->mac
,
3142 vlan_obj
->get_n_elements(bp
, vlan_obj
, 1, (u8
*)&ivi
->vlan
,
3146 if (bulletin
->valid_bitmap
& (1 << MAC_ADDR_VALID
))
3147 /* mac configured by ndo so its in bulletin board */
3148 memcpy(&ivi
->mac
, bulletin
->mac
, ETH_ALEN
);
3150 /* function has not been loaded yet. Show mac as 0s */
3151 memset(&ivi
->mac
, 0, ETH_ALEN
);
3154 if (bulletin
->valid_bitmap
& (1 << VLAN_VALID
))
3155 /* vlan configured by ndo so its in bulletin board */
3156 memcpy(&ivi
->vlan
, &bulletin
->vlan
, VLAN_HLEN
);
3158 /* function has not been loaded yet. Show vlans as 0s */
3159 memset(&ivi
->vlan
, 0, VLAN_HLEN
);
3165 /* New mac for VF. Consider these cases:
3166 * 1. VF hasn't been acquired yet - save the mac in local bulletin board and
3167 * supply at acquire.
3168 * 2. VF has already been acquired but has not yet initialized - store in local
3169 * bulletin board. mac will be posted on VF bulletin board after VF init. VF
3170 * will configure this mac when it is ready.
3171 * 3. VF has already initialized but has not yet setup a queue - post the new
3172 * mac on VF's bulletin board right now. VF will configure this mac when it
3174 * 4. VF has already set a queue - delete any macs already configured for this
3175 * queue and manually config the new mac.
3176 * In any event, once this function has been called refuse any attempts by the
3177 * VF to configure any mac for itself except for this mac. In case of a race
3178 * where the VF fails to see the new post on its bulletin board before sending a
3179 * mac configuration request, the PF will simply fail the request and VF can try
3180 * again after consulting its bulletin board.
3182 int bnx2x_set_vf_mac(struct net_device
*dev
, int vfidx
, u8
*mac
)
3184 struct bnx2x
*bp
= netdev_priv(dev
);
3185 int rc
, q_logical_state
;
3186 struct bnx2x_virtf
*vf
= BP_VF(bp
, vfidx
);
3187 struct pf_vf_bulletin_content
*bulletin
= BP_VF_BULLETIN(bp
, vfidx
);
3190 rc
= bnx2x_vf_ndo_sanity(bp
, vfidx
, vf
);
3193 if (!is_valid_ether_addr(mac
)) {
3194 BNX2X_ERR("mac address invalid\n");
3198 /* update PF's copy of the VF's bulletin. Will no longer accept mac
3199 * configuration requests from vf unless match this mac
3201 bulletin
->valid_bitmap
|= 1 << MAC_ADDR_VALID
;
3202 memcpy(bulletin
->mac
, mac
, ETH_ALEN
);
3204 /* Post update on VF's bulletin board */
3205 rc
= bnx2x_post_vf_bulletin(bp
, vfidx
);
3207 BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx
);
3211 /* is vf initialized and queue set up? */
3213 bnx2x_get_q_logical_state(bp
, &bnx2x_vfq(vf
, 0, sp_obj
));
3214 if (vf
->state
== VF_ENABLED
&&
3215 q_logical_state
== BNX2X_Q_LOGICAL_STATE_ACTIVE
) {
3216 /* configure the mac in device on this vf's queue */
3217 unsigned long ramrod_flags
= 0;
3218 struct bnx2x_vlan_mac_obj
*mac_obj
= &bnx2x_vfq(vf
, 0, mac_obj
);
3220 /* must lock vfpf channel to protect against vf flows */
3221 bnx2x_lock_vf_pf_channel(bp
, vf
, CHANNEL_TLV_PF_SET_MAC
);
3223 /* remove existing eth macs */
3224 rc
= bnx2x_del_all_macs(bp
, mac_obj
, BNX2X_ETH_MAC
, true);
3226 BNX2X_ERR("failed to delete eth macs\n");
3230 /* remove existing uc list macs */
3231 rc
= bnx2x_del_all_macs(bp
, mac_obj
, BNX2X_UC_LIST_MAC
, true);
3233 BNX2X_ERR("failed to delete uc_list macs\n");
3237 /* configure the new mac to device */
3238 __set_bit(RAMROD_COMP_WAIT
, &ramrod_flags
);
3239 bnx2x_set_mac_one(bp
, (u8
*)&bulletin
->mac
, mac_obj
, true,
3240 BNX2X_ETH_MAC
, &ramrod_flags
);
3242 bnx2x_unlock_vf_pf_channel(bp
, vf
, CHANNEL_TLV_PF_SET_MAC
);
3248 int bnx2x_set_vf_vlan(struct net_device
*dev
, int vfidx
, u16 vlan
, u8 qos
)
3250 struct bnx2x
*bp
= netdev_priv(dev
);
3251 int rc
, q_logical_state
;
3252 struct bnx2x_virtf
*vf
= BP_VF(bp
, vfidx
);
3253 struct pf_vf_bulletin_content
*bulletin
= BP_VF_BULLETIN(bp
, vfidx
);
3256 rc
= bnx2x_vf_ndo_sanity(bp
, vfidx
, vf
);
3261 BNX2X_ERR("illegal vlan value %d\n", vlan
);
3265 DP(BNX2X_MSG_IOV
, "configuring VF %d with VLAN %d qos %d\n",
3268 /* update PF's copy of the VF's bulletin. No point in posting the vlan
3269 * to the VF since it doesn't have anything to do with it. But it useful
3270 * to store it here in case the VF is not up yet and we can only
3271 * configure the vlan later when it does.
3273 bulletin
->valid_bitmap
|= 1 << VLAN_VALID
;
3274 bulletin
->vlan
= vlan
;
3276 /* is vf initialized and queue set up? */
3278 bnx2x_get_q_logical_state(bp
, &bnx2x_vfq(vf
, 0, sp_obj
));
3279 if (vf
->state
== VF_ENABLED
&&
3280 q_logical_state
== BNX2X_Q_LOGICAL_STATE_ACTIVE
) {
3281 /* configure the vlan in device on this vf's queue */
3282 unsigned long ramrod_flags
= 0;
3283 unsigned long vlan_mac_flags
= 0;
3284 struct bnx2x_vlan_mac_obj
*vlan_obj
=
3285 &bnx2x_vfq(vf
, 0, vlan_obj
);
3286 struct bnx2x_vlan_mac_ramrod_params ramrod_param
;
3287 struct bnx2x_queue_state_params q_params
= {NULL
};
3288 struct bnx2x_queue_update_params
*update_params
;
3290 memset(&ramrod_param
, 0, sizeof(ramrod_param
));
3292 /* must lock vfpf channel to protect against vf flows */
3293 bnx2x_lock_vf_pf_channel(bp
, vf
, CHANNEL_TLV_PF_SET_VLAN
);
3295 /* remove existing vlans */
3296 __set_bit(RAMROD_COMP_WAIT
, &ramrod_flags
);
3297 rc
= vlan_obj
->delete_all(bp
, vlan_obj
, &vlan_mac_flags
,
3300 BNX2X_ERR("failed to delete vlans\n");
3304 /* send queue update ramrod to configure default vlan and silent
3307 __set_bit(RAMROD_COMP_WAIT
, &q_params
.ramrod_flags
);
3308 q_params
.cmd
= BNX2X_Q_CMD_UPDATE
;
3309 q_params
.q_obj
= &bnx2x_vfq(vf
, 0, sp_obj
);
3310 update_params
= &q_params
.params
.update
;
3311 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG
,
3312 &update_params
->update_flags
);
3313 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG
,
3314 &update_params
->update_flags
);
3317 /* if vlan is 0 then we want to leave the VF traffic
3318 * untagged, and leave the incoming traffic untouched
3319 * (i.e. do not remove any vlan tags).
3321 __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN
,
3322 &update_params
->update_flags
);
3323 __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM
,
3324 &update_params
->update_flags
);
3326 /* configure the new vlan to device */
3327 __set_bit(RAMROD_COMP_WAIT
, &ramrod_flags
);
3328 ramrod_param
.vlan_mac_obj
= vlan_obj
;
3329 ramrod_param
.ramrod_flags
= ramrod_flags
;
3330 ramrod_param
.user_req
.u
.vlan
.vlan
= vlan
;
3331 ramrod_param
.user_req
.cmd
= BNX2X_VLAN_MAC_ADD
;
3332 rc
= bnx2x_config_vlan_mac(bp
, &ramrod_param
);
3334 BNX2X_ERR("failed to configure vlan\n");
3338 /* configure default vlan to vf queue and set silent
3339 * vlan removal (the vf remains unaware of this vlan).
3341 update_params
= &q_params
.params
.update
;
3342 __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN
,
3343 &update_params
->update_flags
);
3344 __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM
,
3345 &update_params
->update_flags
);
3346 update_params
->def_vlan
= vlan
;
3349 /* Update the Queue state */
3350 rc
= bnx2x_queue_state_change(bp
, &q_params
);
3352 BNX2X_ERR("Failed to configure default VLAN\n");
3356 /* clear the flag indicating that this VF needs its vlan
3357 * (will only be set if the HV configured th Vlan before vf was
3358 * and we were called because the VF came up later
3360 vf
->cfg_flags
&= ~VF_CFG_VLAN
;
3362 bnx2x_unlock_vf_pf_channel(bp
, vf
, CHANNEL_TLV_PF_SET_VLAN
);
3367 /* crc is the first field in the bulletin board. Compute the crc over the
3368 * entire bulletin board excluding the crc field itself. Use the length field
3369 * as the Bulletin Board was posted by a PF with possibly a different version
3370 * from the vf which will sample it. Therefore, the length is computed by the
3371 * PF and the used blindly by the VF.
3373 u32
bnx2x_crc_vf_bulletin(struct bnx2x
*bp
,
3374 struct pf_vf_bulletin_content
*bulletin
)
3376 return crc32(BULLETIN_CRC_SEED
,
3377 ((u8
*)bulletin
) + sizeof(bulletin
->crc
),
3378 bulletin
->length
- sizeof(bulletin
->crc
));
3381 /* Check for new posts on the bulletin board */
3382 enum sample_bulletin_result
bnx2x_sample_bulletin(struct bnx2x
*bp
)
3384 struct pf_vf_bulletin_content bulletin
= bp
->pf2vf_bulletin
->content
;
3387 /* bulletin board hasn't changed since last sample */
3388 if (bp
->old_bulletin
.version
== bulletin
.version
)
3389 return PFVF_BULLETIN_UNCHANGED
;
3391 /* validate crc of new bulletin board */
3392 if (bp
->old_bulletin
.version
!= bp
->pf2vf_bulletin
->content
.version
) {
3393 /* sampling structure in mid post may result with corrupted data
3394 * validate crc to ensure coherency.
3396 for (attempts
= 0; attempts
< BULLETIN_ATTEMPTS
; attempts
++) {
3397 bulletin
= bp
->pf2vf_bulletin
->content
;
3398 if (bulletin
.crc
== bnx2x_crc_vf_bulletin(bp
,
3401 BNX2X_ERR("bad crc on bulletin board. Contained %x computed %x\n",
3403 bnx2x_crc_vf_bulletin(bp
, &bulletin
));
3405 if (attempts
>= BULLETIN_ATTEMPTS
) {
3406 BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n",
3408 return PFVF_BULLETIN_CRC_ERR
;
3412 /* the mac address in bulletin board is valid and is new */
3413 if (bulletin
.valid_bitmap
& 1 << MAC_ADDR_VALID
&&
3414 memcmp(bulletin
.mac
, bp
->old_bulletin
.mac
, ETH_ALEN
)) {
3415 /* update new mac to net device */
3416 memcpy(bp
->dev
->dev_addr
, bulletin
.mac
, ETH_ALEN
);
3419 /* the vlan in bulletin board is valid and is new */
3420 if (bulletin
.valid_bitmap
& 1 << VLAN_VALID
)
3421 memcpy(&bulletin
.vlan
, &bp
->old_bulletin
.vlan
, VLAN_HLEN
);
3423 /* copy new bulletin board to bp */
3424 bp
->old_bulletin
= bulletin
;
3426 return PFVF_BULLETIN_UPDATED
;
3429 void bnx2x_timer_sriov(struct bnx2x
*bp
)
3431 bnx2x_sample_bulletin(bp
);
3433 /* if channel is down we need to self destruct */
3434 if (bp
->old_bulletin
.valid_bitmap
& 1 << CHANNEL_DOWN
) {
3435 smp_mb__before_clear_bit();
3436 set_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN
,
3437 &bp
->sp_rtnl_state
);
3438 smp_mb__after_clear_bit();
3439 schedule_delayed_work(&bp
->sp_rtnl_task
, 0);
3443 void __iomem
*bnx2x_vf_doorbells(struct bnx2x
*bp
)
3445 /* vf doorbells are embedded within the regview */
3446 return bp
->regview
+ PXP_VF_ADDR_DB_START
;
3449 int bnx2x_vf_pci_alloc(struct bnx2x
*bp
)
3451 mutex_init(&bp
->vf2pf_mutex
);
3453 /* allocate vf2pf mailbox for vf to pf channel */
3454 BNX2X_PCI_ALLOC(bp
->vf2pf_mbox
, &bp
->vf2pf_mbox_mapping
,
3455 sizeof(struct bnx2x_vf_mbx_msg
));
3457 /* allocate pf 2 vf bulletin board */
3458 BNX2X_PCI_ALLOC(bp
->pf2vf_bulletin
, &bp
->pf2vf_bulletin_mapping
,
3459 sizeof(union pf_vf_bulletin
));
3464 BNX2X_PCI_FREE(bp
->vf2pf_mbox
, bp
->vf2pf_mbox_mapping
,
3465 sizeof(struct bnx2x_vf_mbx_msg
));
3466 BNX2X_PCI_FREE(bp
->vf2pf_mbox
, bp
->vf2pf_mbox_mapping
,
3467 sizeof(union pf_vf_bulletin
));
3471 int bnx2x_open_epilog(struct bnx2x
*bp
)
3473 /* Enable sriov via delayed work. This must be done via delayed work
3474 * because it causes the probe of the vf devices to be run, which invoke
3475 * register_netdevice which must have rtnl lock taken. As we are holding
3476 * the lock right now, that could only work if the probe would not take
3477 * the lock. However, as the probe of the vf may be called from other
3478 * contexts as well (such as passthrough to vm fails) it can't assume
3479 * the lock is being held for it. Using delayed work here allows the
3480 * probe code to simply take the lock (i.e. wait for it to be released
3481 * if it is being held). We only want to do this if the number of VFs
3482 * was set before PF driver was loaded.
3484 if (IS_SRIOV(bp
) && BNX2X_NR_VIRTFN(bp
)) {
3485 smp_mb__before_clear_bit();
3486 set_bit(BNX2X_SP_RTNL_ENABLE_SRIOV
, &bp
->sp_rtnl_state
);
3487 smp_mb__after_clear_bit();
3488 schedule_delayed_work(&bp
->sp_rtnl_task
, 0);
3494 void bnx2x_iov_channel_down(struct bnx2x
*bp
)
3497 struct pf_vf_bulletin_content
*bulletin
;
3502 for_each_vf(bp
, vf_idx
) {
3503 /* locate this VFs bulletin board and update the channel down
3506 bulletin
= BP_VF_BULLETIN(bp
, vf_idx
);
3507 bulletin
->valid_bitmap
|= 1 << CHANNEL_DOWN
;
3509 /* update vf bulletin board */
3510 bnx2x_post_vf_bulletin(bp
, vf_idx
);