1 /* bnx2x_sriov.c: Broadcom Everest network driver.
2  *
3  * Copyright 2009-2013 Broadcom Corporation
4  *
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").
9  *
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
13  * consent.
14  *
15  * Maintained by: Eilon Greenstein <eilong@broadcom.com>
16  * Written by: Shmulik Ravid <shmulikr@broadcom.com>
17  *	       Ariel Elior <ariele@broadcom.com>
18  *
19  */
20 #include "bnx2x.h"
21 #include "bnx2x_init.h"
22 #include "bnx2x_cmn.h"
23 #include "bnx2x_sp.h"
24 #include <linux/crc32.h>
25 #include <linux/if_vlan.h>
26 
27 /* General service functions */
28 static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
29 					 u16 pf_id)
30 {
31 	REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
32 		pf_id);
33 	REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
34 		pf_id);
35 	REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
36 		pf_id);
37 	REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
38 		pf_id);
39 }
40 
41 static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
42 					u8 enable)
43 {
44 	REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
45 		enable);
46 	REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
47 		enable);
48 	REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
49 		enable);
50 	REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
51 		enable);
52 }
53 
54 int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
55 {
56 	int idx;
57 
58 	for_each_vf(bp, idx)
59 		if (bnx2x_vf(bp, idx, abs_vfid) == abs_vfid)
60 			break;
61 	return idx;
62 }
63 
64 static
65 struct bnx2x_virtf *bnx2x_vf_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
66 {
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;
69 }
70 
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,
73 				u8 update)
74 {
75 	/* acking a VF sb through the PF - use the GRC */
76 	u32 ctl;
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};
82 
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));
88 
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;
92 
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);
96 	mmiowb();
97 	barrier();
98 
99 	DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n",
100 	   ctl, igu_addr_ctl);
101 	REG_WR(bp, igu_addr_ctl, ctl);
102 	mmiowb();
103 	barrier();
104 }
105 /* VFOP - VF slow-path operation support */
106 
107 #define BNX2X_VFOP_FILTER_ADD_CNT_MAX		0x10000
108 
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
114 };
115 
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
121 };
122 
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
130 };
131 
132 enum bnx2x_vfop_qsetup_state {
133 	   BNX2X_VFOP_QSETUP_CTOR,
134 	   BNX2X_VFOP_QSETUP_VLAN0,
135 	   BNX2X_VFOP_QSETUP_DONE
136 };
137 
138 enum bnx2x_vfop_mcast_state {
139 	   BNX2X_VFOP_MCAST_DEL,
140 	   BNX2X_VFOP_MCAST_ADD,
141 	   BNX2X_VFOP_MCAST_CHK_DONE
142 };
143 enum bnx2x_vfop_qflr_state {
144 	   BNX2X_VFOP_QFLR_CLR_VLAN,
145 	   BNX2X_VFOP_QFLR_CLR_MAC,
146 	   BNX2X_VFOP_QFLR_TERMINATE,
147 	   BNX2X_VFOP_QFLR_DONE
148 };
149 
150 enum bnx2x_vfop_flr_state {
151 	   BNX2X_VFOP_FLR_QUEUES,
152 	   BNX2X_VFOP_FLR_HW
153 };
154 
155 enum bnx2x_vfop_close_state {
156 	   BNX2X_VFOP_CLOSE_QUEUES,
157 	   BNX2X_VFOP_CLOSE_HW
158 };
159 
160 enum bnx2x_vfop_rxmode_state {
161 	   BNX2X_VFOP_RXMODE_CONFIG,
162 	   BNX2X_VFOP_RXMODE_DONE
163 };
164 
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
171 };
172 
173 #define bnx2x_vfop_reset_wq(vf)	atomic_set(&vf->op_in_progress, 0)
174 
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)
179 {
180 	DP(BNX2X_MSG_IOV,
181 	   "VF[%d] Q_SETUP: txq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, flags=0x%lx, traffic-type=%d",
182 	   vf->abs_vfid,
183 	   q_idx,
184 	   sb_idx,
185 	   init_params->tx.sb_cq_index,
186 	   init_params->tx.hc_rate,
187 	   setup_params->flags,
188 	   setup_params->txq_params.traffic_type);
189 }
190 
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)
195 {
196 	struct bnx2x_rxq_setup_params *rxq_params = &setup_params->rxq_params;
197 
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",
200 	   vf->abs_vfid,
201 	   q_idx,
202 	   sb_idx,
203 	   init_params->rx.sb_cq_index,
204 	   init_params->rx.hc_rate,
205 	   setup_params->gen_params.mtu,
206 	   rxq_params->buf_sz,
207 	   rxq_params->sge_buf_sz,
208 	   rxq_params->max_sges_pkt,
209 	   rxq_params->tpa_agg_sz,
210 	   setup_params->flags,
211 	   rxq_params->drop_flags,
212 	   rxq_params->cache_line_log);
213 }
214 
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)
220 {
221 	struct bnx2x_queue_init_params *init_p = &p->qstate.params.init;
222 	struct bnx2x_queue_setup_params *setup_p = &p->prep_qsetup;
223 
224 	/* INIT */
225 
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);
229 
230 	if (test_bit(BNX2X_Q_FLG_HC, &init_p->tx.flags))
231 		__set_bit(BNX2X_Q_FLG_HC_EN, &init_p->tx.flags);
232 
233 	/* FW SB ID */
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);
236 
237 	/* context */
238 	init_p->cxts[0] = q->cxt;
239 
240 	/* SETUP */
241 
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);
245 
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)
250 	 */
251 	if (vf->cfg_flags & VF_CFG_FW_FC)
252 		BNX2X_ERR("No support for pause to VFs (abs_vfid: %d)\n",
253 			  vf->abs_vfid);
254 	/* Setup-op flags:
255 	 * collect statistics, zero statistics, local-switching, security,
256 	 * OV for Flex10, RSS and MCAST for leading
257 	 */
258 	if (test_bit(BNX2X_Q_FLG_STATS, &setup_p->flags))
259 		__set_bit(BNX2X_Q_FLG_ZERO_STATS, &setup_p->flags);
260 
261 	/* for VFs, enable tx switching, bd coherency, and mac address
262 	 * anti-spoofing
263 	 */
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);
267 
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);
271 	}
272 
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;
276 
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);
280 
281 		if (test_bit(BNX2X_Q_FLG_TPA, &setup_p->flags))
282 			rxq_p->max_tpa_queues = BNX2X_VF_MAX_TPA_AGG_QUEUES;
283 	}
284 
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);
289 	}
290 }
291 
292 /* VFOP queue construction */
293 static void bnx2x_vfop_qctor(struct bnx2x *bp, struct bnx2x_virtf *vf)
294 {
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;
299 
300 	bnx2x_vfop_reset_wq(vf);
301 
302 	if (vfop->rc < 0)
303 		goto op_err;
304 
305 	DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
306 
307 	switch (state) {
308 	case BNX2X_VFOP_QCTOR_INIT:
309 
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) {
313 			DP(BNX2X_MSG_IOV,
314 			   "Entered qctor but queue was already up. Aborting gracefully\n");
315 			goto op_done;
316 		}
317 
318 		/* next state */
319 		vfop->state = BNX2X_VFOP_QCTOR_SETUP;
320 
321 		q_params->cmd = BNX2X_Q_CMD_INIT;
322 		vfop->rc = bnx2x_queue_state_change(bp, q_params);
323 
324 		bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
325 
326 	case BNX2X_VFOP_QCTOR_SETUP:
327 		/* next state */
328 		vfop->state = BNX2X_VFOP_QCTOR_INT_EN;
329 
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;
333 
334 		q_params->cmd = BNX2X_Q_CMD_SETUP;
335 		vfop->rc = bnx2x_queue_state_change(bp, q_params);
336 
337 		bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
338 
339 	case BNX2X_VFOP_QCTOR_INT_EN:
340 
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);
344 		goto op_done;
345 	default:
346 		bnx2x_vfop_default(state);
347 	}
348 op_err:
349 	BNX2X_ERR("QCTOR[%d:%d] error: cmd %d, rc %d\n",
350 		  vf->abs_vfid, args->qid, q_params->cmd, vfop->rc);
351 op_done:
352 	bnx2x_vfop_end(bp, vf, vfop);
353 op_pending:
354 	return;
355 }
356 
357 static int bnx2x_vfop_qctor_cmd(struct bnx2x *bp,
358 				struct bnx2x_virtf *vf,
359 				struct bnx2x_vfop_cmd *cmd,
360 				int qid)
361 {
362 	struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
363 
364 	if (vfop) {
365 		vf->op_params.qctor.qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj);
366 
367 		vfop->args.qctor.qid = qid;
368 		vfop->args.qctor.sb_idx = bnx2x_vfq(vf, qid, sb_idx);
369 
370 		bnx2x_vfop_opset(BNX2X_VFOP_QCTOR_INIT,
371 				 bnx2x_vfop_qctor, cmd->done);
372 		return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qctor,
373 					     cmd->block);
374 	}
375 	return -ENOMEM;
376 }
377 
378 /* VFOP queue destruction */
379 static void bnx2x_vfop_qdtor(struct bnx2x *bp, struct bnx2x_virtf *vf)
380 {
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;
385 
386 	bnx2x_vfop_reset_wq(vf);
387 
388 	if (vfop->rc < 0)
389 		goto op_err;
390 
391 	DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
392 
393 	switch (state) {
394 	case BNX2X_VFOP_QDTOR_HALT:
395 
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) {
399 			DP(BNX2X_MSG_IOV,
400 			   "Entered qdtor but queue was already stopped. Aborting gracefully\n");
401 			goto op_done;
402 		}
403 
404 		/* next state */
405 		vfop->state = BNX2X_VFOP_QDTOR_TERMINATE;
406 
407 		q_params->cmd = BNX2X_Q_CMD_HALT;
408 		vfop->rc = bnx2x_queue_state_change(bp, q_params);
409 
410 		bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
411 
412 	case BNX2X_VFOP_QDTOR_TERMINATE:
413 		/* next state */
414 		vfop->state = BNX2X_VFOP_QDTOR_CFCDEL;
415 
416 		q_params->cmd = BNX2X_Q_CMD_TERMINATE;
417 		vfop->rc = bnx2x_queue_state_change(bp, q_params);
418 
419 		bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT);
420 
421 	case BNX2X_VFOP_QDTOR_CFCDEL:
422 		/* next state */
423 		vfop->state = BNX2X_VFOP_QDTOR_DONE;
424 
425 		q_params->cmd = BNX2X_Q_CMD_CFC_DEL;
426 		vfop->rc = bnx2x_queue_state_change(bp, q_params);
427 
428 		bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
429 op_err:
430 	BNX2X_ERR("QDTOR[%d:%d] error: cmd %d, rc %d\n",
431 		  vf->abs_vfid, qdtor->qid, q_params->cmd, vfop->rc);
432 op_done:
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);
438 		return;
439 	default:
440 		bnx2x_vfop_default(state);
441 	}
442 op_pending:
443 	return;
444 }
445 
446 static int bnx2x_vfop_qdtor_cmd(struct bnx2x *bp,
447 				struct bnx2x_virtf *vf,
448 				struct bnx2x_vfop_cmd *cmd,
449 				int qid)
450 {
451 	struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
452 
453 	if (vfop) {
454 		struct bnx2x_queue_state_params *qstate =
455 			&vf->op_params.qctor.qstate;
456 
457 		memset(qstate, 0, sizeof(*qstate));
458 		qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj);
459 
460 		vfop->args.qdtor.qid = qid;
461 		vfop->args.qdtor.cxt = bnx2x_vfq(vf, qid, cxt);
462 
463 		bnx2x_vfop_opset(BNX2X_VFOP_QDTOR_HALT,
464 				 bnx2x_vfop_qdtor, cmd->done);
465 		return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdtor,
466 					     cmd->block);
467 	}
468 	DP(BNX2X_MSG_IOV, "VF[%d] failed to add a vfop.\n", vf->abs_vfid);
469 	return -ENOMEM;
470 }
471 
472 static void
473 bnx2x_vf_set_igu_info(struct bnx2x *bp, u8 igu_sb_id, u8 abs_vfid)
474 {
475 	struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
476 	if (vf) {
477 		if (!vf_sb_count(vf))
478 			vf->igu_base_id = igu_sb_id;
479 		++vf_sb_count(vf);
480 	}
481 }
482 
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)
487 {
488 	struct bnx2x_vfop_args_filters *args = &vfop->args.filters;
489 
490 	/* update credit only if there is no error
491 	 * and a valid credit counter
492 	 */
493 	if (!vfop->rc && args->credit) {
494 		int cnt = 0;
495 		struct list_head *pos;
496 
497 		list_for_each(pos, &obj->head)
498 			cnt++;
499 
500 		atomic_set(args->credit, cnt);
501 	}
502 }
503 
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)
507 {
508 	user_req->cmd = pos->add ? BNX2X_VLAN_MAC_ADD :
509 		BNX2X_VLAN_MAC_DEL;
510 
511 	switch (pos->type) {
512 	case BNX2X_VFOP_FILTER_MAC:
513 		memcpy(user_req->u.mac.mac, pos->mac, ETH_ALEN);
514 		break;
515 	case BNX2X_VFOP_FILTER_VLAN:
516 		user_req->u.vlan.vlan = pos->vid;
517 		break;
518 	default:
519 		BNX2X_ERR("Invalid filter type, skipping\n");
520 		return 1;
521 	}
522 	return 0;
523 }
524 
525 static int
526 bnx2x_vfop_config_vlan0(struct bnx2x *bp,
527 			struct bnx2x_vlan_mac_ramrod_params *vlan_mac,
528 			bool add)
529 {
530 	int rc;
531 
532 	vlan_mac->user_req.cmd = add ? BNX2X_VLAN_MAC_ADD :
533 		BNX2X_VLAN_MAC_DEL;
534 	vlan_mac->user_req.u.vlan.vlan = 0;
535 
536 	rc = bnx2x_config_vlan_mac(bp, vlan_mac);
537 	if (rc == -EEXIST)
538 		rc = 0;
539 	return rc;
540 }
541 
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)
545 {
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;
549 	int rc = 0, cnt = 0;
550 
551 	INIT_LIST_HEAD(&rollback_list);
552 
553 	list_for_each_entry_safe(pos, tmp, filters_list, link) {
554 		if (bnx2x_vfop_set_user_req(bp, pos, user_req))
555 			continue;
556 
557 		rc = bnx2x_config_vlan_mac(bp, vlan_mac);
558 		if (rc >= 0) {
559 			cnt += pos->add ? 1 : -1;
560 			list_move(&pos->link, &rollback_list);
561 			rc = 0;
562 		} else if (rc == -EEXIST) {
563 			rc = 0;
564 		} else {
565 			BNX2X_ERR("Failed to add a new vlan_mac command\n");
566 			break;
567 		}
568 	}
569 
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);
578 		}
579 		cnt = 0;
580 		if (!rc)
581 			rc = -EINVAL;
582 	}
583 	filters->add_cnt = cnt;
584 	return rc;
585 }
586 
587 /* VFOP set VLAN/MAC */
588 static void bnx2x_vfop_vlan_mac(struct bnx2x *bp, struct bnx2x_virtf *vf)
589 {
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;
594 
595 	enum bnx2x_vfop_vlan_mac_state state = vfop->state;
596 
597 	if (vfop->rc < 0)
598 		goto op_err;
599 
600 	DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
601 
602 	bnx2x_vfop_reset_wq(vf);
603 
604 	switch (state) {
605 	case BNX2X_VFOP_VLAN_MAC_CLEAR:
606 		/* next state */
607 		vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
608 
609 		/* do delete */
610 		vfop->rc = obj->delete_all(bp, obj,
611 					   &vlan_mac->user_req.vlan_mac_flags,
612 					   &vlan_mac->ramrod_flags);
613 
614 		bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
615 
616 	case BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE:
617 		/* next state */
618 		vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
619 
620 		/* do config */
621 		vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
622 		if (vfop->rc == -EEXIST)
623 			vfop->rc = 0;
624 
625 		bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
626 
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);
630 
631 	case BNX2X_VFOP_MAC_CONFIG_LIST:
632 		/* next state */
633 		vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
634 
635 		/* do list config */
636 		vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
637 		if (vfop->rc)
638 			goto op_err;
639 
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);
643 
644 	case BNX2X_VFOP_VLAN_CONFIG_LIST:
645 		/* next state */
646 		vfop->state = BNX2X_VFOP_VLAN_CONFIG_LIST_0;
647 
648 		/* remove vlan0 - could be no-op */
649 		vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, false);
650 		if (vfop->rc)
651 			goto op_err;
652 
653 		/* Do vlan list config. if this operation fails we try to
654 		 * restore vlan0 to keep the queue is working order
655 		 */
656 		vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac);
657 		if (!vfop->rc) {
658 			set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags);
659 			vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac);
660 		}
661 		bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); /* fall-through */
662 
663 	case BNX2X_VFOP_VLAN_CONFIG_LIST_0:
664 		/* next state */
665 		vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE;
666 
667 		if (list_empty(&obj->head))
668 			/* add vlan0 */
669 			vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, true);
670 		bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
671 
672 	default:
673 		bnx2x_vfop_default(state);
674 	}
675 op_err:
676 	BNX2X_ERR("VLAN-MAC error: rc %d\n", vfop->rc);
677 op_done:
678 	kfree(filters);
679 	bnx2x_vfop_credit(bp, vfop, obj);
680 	bnx2x_vfop_end(bp, vf, vfop);
681 op_pending:
682 	return;
683 }
684 
685 struct bnx2x_vfop_vlan_mac_flags {
686 	bool drv_only;
687 	bool dont_consume;
688 	bool single_cmd;
689 	bool add;
690 };
691 
692 static void
693 bnx2x_vfop_vlan_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
694 				struct bnx2x_vfop_vlan_mac_flags *flags)
695 {
696 	struct bnx2x_vlan_mac_data *ureq = &ramrod->user_req;
697 
698 	memset(ramrod, 0, sizeof(*ramrod));
699 
700 	/* ramrod flags */
701 	if (flags->drv_only)
702 		set_bit(RAMROD_DRV_CLR_ONLY, &ramrod->ramrod_flags);
703 	if (flags->single_cmd)
704 		set_bit(RAMROD_EXEC, &ramrod->ramrod_flags);
705 
706 	/* mac_vlan flags */
707 	if (flags->dont_consume)
708 		set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, &ureq->vlan_mac_flags);
709 
710 	/* cmd */
711 	ureq->cmd = flags->add ? BNX2X_VLAN_MAC_ADD : BNX2X_VLAN_MAC_DEL;
712 }
713 
714 static inline void
715 bnx2x_vfop_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod,
716 			   struct bnx2x_vfop_vlan_mac_flags *flags)
717 {
718 	bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, flags);
719 	set_bit(BNX2X_ETH_MAC, &ramrod->user_req.vlan_mac_flags);
720 }
721 
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)
726 {
727 	struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
728 
729 	if (vfop) {
730 		struct bnx2x_vfop_args_filters filters = {
731 			.multi_filter = NULL,	/* single */
732 			.credit = NULL,		/* consume credit */
733 		};
734 		struct bnx2x_vfop_vlan_mac_flags flags = {
735 			.drv_only = drv_only,
736 			.dont_consume = (filters.credit != NULL),
737 			.single_cmd = true,
738 			.add = false /* don't care */,
739 		};
740 		struct bnx2x_vlan_mac_ramrod_params *ramrod =
741 			&vf->op_params.vlan_mac;
742 
743 		/* set ramrod params */
744 		bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
745 
746 		/* set object */
747 		ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
748 
749 		/* set extra args */
750 		vfop->args.filters = filters;
751 
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,
755 					     cmd->block);
756 	}
757 	return -ENOMEM;
758 }
759 
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)
765 {
766 	struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
767 
768 	if (vfop) {
769 		struct bnx2x_vfop_args_filters filters = {
770 			.multi_filter = macs,
771 			.credit = NULL,		/* consume credit */
772 		};
773 		struct bnx2x_vfop_vlan_mac_flags flags = {
774 			.drv_only = drv_only,
775 			.dont_consume = (filters.credit != NULL),
776 			.single_cmd = false,
777 			.add = false, /* don't care since only the items in the
778 				       * filters list affect the sp operation,
779 				       * not the list itself
780 				       */
781 		};
782 		struct bnx2x_vlan_mac_ramrod_params *ramrod =
783 			&vf->op_params.vlan_mac;
784 
785 		/* set ramrod params */
786 		bnx2x_vfop_mac_prep_ramrod(ramrod, &flags);
787 
788 		/* set object */
789 		ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj);
790 
791 		/* set extra args */
792 		filters.multi_filter->add_cnt = BNX2X_VFOP_FILTER_ADD_CNT_MAX;
793 		vfop->args.filters = filters;
794 
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,
798 					     cmd->block);
799 	}
800 	return -ENOMEM;
801 }
802 
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)
807 {
808 	struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
809 
810 	if (vfop) {
811 		struct bnx2x_vfop_args_filters filters = {
812 			.multi_filter = NULL, /* single command */
813 			.credit = &bnx2x_vfq(vf, qid, vlan_count),
814 		};
815 		struct bnx2x_vfop_vlan_mac_flags flags = {
816 			.drv_only = false,
817 			.dont_consume = (filters.credit != NULL),
818 			.single_cmd = true,
819 			.add = add,
820 		};
821 		struct bnx2x_vlan_mac_ramrod_params *ramrod =
822 			&vf->op_params.vlan_mac;
823 
824 		/* set ramrod params */
825 		bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
826 		ramrod->user_req.u.vlan.vlan = vid;
827 
828 		/* set object */
829 		ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
830 
831 		/* set extra args */
832 		vfop->args.filters = filters;
833 
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,
837 					     cmd->block);
838 	}
839 	return -ENOMEM;
840 }
841 
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)
846 {
847 	struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
848 
849 	if (vfop) {
850 		struct bnx2x_vfop_args_filters filters = {
851 			.multi_filter = NULL, /* single command */
852 			.credit = &bnx2x_vfq(vf, qid, vlan_count),
853 		};
854 		struct bnx2x_vfop_vlan_mac_flags flags = {
855 			.drv_only = drv_only,
856 			.dont_consume = (filters.credit != NULL),
857 			.single_cmd = true,
858 			.add = false, /* don't care */
859 		};
860 		struct bnx2x_vlan_mac_ramrod_params *ramrod =
861 			&vf->op_params.vlan_mac;
862 
863 		/* set ramrod params */
864 		bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
865 
866 		/* set object */
867 		ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
868 
869 		/* set extra args */
870 		vfop->args.filters = filters;
871 
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,
875 					     cmd->block);
876 	}
877 	return -ENOMEM;
878 }
879 
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)
885 {
886 	struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
887 
888 	if (vfop) {
889 		struct bnx2x_vfop_args_filters filters = {
890 			.multi_filter = vlans,
891 			.credit = &bnx2x_vfq(vf, qid, vlan_count),
892 		};
893 		struct bnx2x_vfop_vlan_mac_flags flags = {
894 			.drv_only = drv_only,
895 			.dont_consume = (filters.credit != NULL),
896 			.single_cmd = false,
897 			.add = false, /* don't care */
898 		};
899 		struct bnx2x_vlan_mac_ramrod_params *ramrod =
900 			&vf->op_params.vlan_mac;
901 
902 		/* set ramrod params */
903 		bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags);
904 
905 		/* set object */
906 		ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj);
907 
908 		/* set extra args */
909 		filters.multi_filter->add_cnt = vf_vlan_rules_cnt(vf) -
910 			atomic_read(filters.credit);
911 
912 		vfop->args.filters = filters;
913 
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,
917 					     cmd->block);
918 	}
919 	return -ENOMEM;
920 }
921 
922 /* VFOP queue setup (queue constructor + set vlan 0) */
923 static void bnx2x_vfop_qsetup(struct bnx2x *bp, struct bnx2x_virtf *vf)
924 {
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,
930 		.block = false,
931 	};
932 
933 	if (vfop->rc < 0)
934 		goto op_err;
935 
936 	DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
937 
938 	switch (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);
943 		if (vfop->rc)
944 			goto op_err;
945 		return;
946 
947 	case BNX2X_VFOP_QSETUP_VLAN0:
948 		/* skip if non-leading or FPGA/EMU*/
949 		if (qid)
950 			goto op_done;
951 
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);
955 		if (vfop->rc)
956 			goto op_err;
957 		return;
958 op_err:
959 	BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf->abs_vfid, qid, vfop->rc);
960 op_done:
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,
965 			&bp->sp_rtnl_state);
966 		smp_mb__after_clear_bit();
967 		schedule_delayed_work(&bp->sp_rtnl_task, 0);
968 		bnx2x_vfop_end(bp, vf, vfop);
969 		return;
970 	default:
971 		bnx2x_vfop_default(state);
972 	}
973 }
974 
975 int bnx2x_vfop_qsetup_cmd(struct bnx2x *bp,
976 			  struct bnx2x_virtf *vf,
977 			  struct bnx2x_vfop_cmd *cmd,
978 			  int qid)
979 {
980 	struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
981 
982 	if (vfop) {
983 		vfop->args.qctor.qid = qid;
984 
985 		bnx2x_vfop_opset(BNX2X_VFOP_QSETUP_CTOR,
986 				 bnx2x_vfop_qsetup, cmd->done);
987 		return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qsetup,
988 					     cmd->block);
989 	}
990 	return -ENOMEM;
991 }
992 
993 /* VFOP queue FLR handling (clear vlans, clear macs, queue destructor) */
994 static void bnx2x_vfop_qflr(struct bnx2x *bp, struct bnx2x_virtf *vf)
995 {
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;
1001 
1002 	bnx2x_vfop_reset_wq(vf);
1003 
1004 	if (vfop->rc < 0)
1005 		goto op_err;
1006 
1007 	DP(BNX2X_MSG_IOV, "VF[%d] STATE: %d\n", vf->abs_vfid, state);
1008 
1009 	cmd.done = bnx2x_vfop_qflr;
1010 	cmd.block = false;
1011 
1012 	switch (state) {
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);
1017 		if (vfop->rc)
1018 			goto op_err;
1019 		return;
1020 
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);
1025 		DP(BNX2X_MSG_IOV,
1026 		   "VF[%d] vfop->rc after bnx2x_vfop_mac_delall_cmd was %d",
1027 		   vf->abs_vfid, vfop->rc);
1028 		if (vfop->rc)
1029 			goto op_err;
1030 		return;
1031 
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;
1037 
1038 		DP(BNX2X_MSG_IOV, "VF[%d] qstate during flr was %d\n",
1039 		   vf->abs_vfid, qstate->q_obj->state);
1040 
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);
1046 		} else {
1047 			goto op_done;
1048 		}
1049 
1050 op_err:
1051 	BNX2X_ERR("QFLR[%d:%d] error: rc %d\n",
1052 		  vf->abs_vfid, qid, vfop->rc);
1053 op_done:
1054 	case BNX2X_VFOP_QFLR_DONE:
1055 		bnx2x_vfop_end(bp, vf, vfop);
1056 		return;
1057 	default:
1058 		bnx2x_vfop_default(state);
1059 	}
1060 op_pending:
1061 	return;
1062 }
1063 
1064 static int bnx2x_vfop_qflr_cmd(struct bnx2x *bp,
1065 			       struct bnx2x_virtf *vf,
1066 			       struct bnx2x_vfop_cmd *cmd,
1067 			       int qid)
1068 {
1069 	struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1070 
1071 	if (vfop) {
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,
1076 					     cmd->block);
1077 	}
1078 	return -ENOMEM;
1079 }
1080 
1081 /* VFOP multi-casts */
1082 static void bnx2x_vfop_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf)
1083 {
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;
1089 	int i;
1090 
1091 	bnx2x_vfop_reset_wq(vf);
1092 
1093 	if (vfop->rc < 0)
1094 		goto op_err;
1095 
1096 	DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1097 
1098 	switch (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);
1104 
1105 	case BNX2X_VFOP_MCAST_ADD:
1106 		if (raw->check_pending(raw))
1107 			goto op_pending;
1108 
1109 		if (args->mc_num) {
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);
1119 		}
1120 		bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1121 
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);
1125 	default:
1126 		bnx2x_vfop_default(state);
1127 	}
1128 op_err:
1129 	BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop->rc);
1130 op_done:
1131 	kfree(args->mc);
1132 	bnx2x_vfop_end(bp, vf, vfop);
1133 op_pending:
1134 	return;
1135 }
1136 
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)
1142 {
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) :
1146 					   NULL;
1147 
1148 	if (!mc_sz || mc) {
1149 		vfop = bnx2x_vfop_add(bp, vf);
1150 		if (vfop) {
1151 			int i;
1152 			struct bnx2x_mcast_ramrod_params *ramrod =
1153 				&vf->op_params.mcast;
1154 
1155 			/* set ramrod params */
1156 			memset(ramrod, 0, sizeof(*ramrod));
1157 			ramrod->mcast_obj = &vf->mcast_obj;
1158 			if (drv_only)
1159 				set_bit(RAMROD_DRV_CLR_ONLY,
1160 					&ramrod->ramrod_flags);
1161 
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];
1167 
1168 			bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL,
1169 					 bnx2x_vfop_mcast, cmd->done);
1170 			return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mcast,
1171 						     cmd->block);
1172 		} else {
1173 			kfree(mc);
1174 		}
1175 	}
1176 	return -ENOMEM;
1177 }
1178 
1179 /* VFOP rx-mode */
1180 static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf)
1181 {
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;
1185 
1186 	bnx2x_vfop_reset_wq(vf);
1187 
1188 	if (vfop->rc < 0)
1189 		goto op_err;
1190 
1191 	DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1192 
1193 	switch (state) {
1194 	case BNX2X_VFOP_RXMODE_CONFIG:
1195 		/* next state */
1196 		vfop->state = BNX2X_VFOP_RXMODE_DONE;
1197 
1198 		vfop->rc = bnx2x_config_rx_mode(bp, ramrod);
1199 		bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE);
1200 op_err:
1201 		BNX2X_ERR("RXMODE error: rc %d\n", vfop->rc);
1202 op_done:
1203 	case BNX2X_VFOP_RXMODE_DONE:
1204 		bnx2x_vfop_end(bp, vf, vfop);
1205 		return;
1206 	default:
1207 		bnx2x_vfop_default(state);
1208 	}
1209 op_pending:
1210 	return;
1211 }
1212 
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)
1217 {
1218 	struct bnx2x_vf_queue *vfq = vfq_get(vf, qid);
1219 	struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1220 
1221 	if (vfop) {
1222 		struct bnx2x_rx_mode_ramrod_params *ramrod =
1223 			&vf->op_params.rx_mode;
1224 
1225 		memset(ramrod, 0, sizeof(*ramrod));
1226 
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);
1232 
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;
1237 
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);
1241 
1242 		ramrod->rdata =
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);
1246 
1247 		bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG,
1248 				 bnx2x_vfop_rxmode, cmd->done);
1249 		return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rxmode,
1250 					     cmd->block);
1251 	}
1252 	return -ENOMEM;
1253 }
1254 
1255 /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs,
1256  * queue destructor)
1257  */
1258 static void bnx2x_vfop_qdown(struct bnx2x *bp, struct bnx2x_virtf *vf)
1259 {
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;
1264 
1265 	if (vfop->rc < 0)
1266 		goto op_err;
1267 
1268 	DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1269 
1270 	cmd.done = bnx2x_vfop_qdown;
1271 	cmd.block = false;
1272 
1273 	switch (state) {
1274 	case BNX2X_VFOP_QTEARDOWN_RXMODE:
1275 		/* Drop all */
1276 		vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_VLAN;
1277 		vfop->rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, qid, 0);
1278 		if (vfop->rc)
1279 			goto op_err;
1280 		return;
1281 
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);
1286 		if (vfop->rc)
1287 			goto op_err;
1288 		return;
1289 
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);
1294 		if (vfop->rc)
1295 			goto op_err;
1296 		return;
1297 
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");
1305 		if (vfop->rc)
1306 			goto op_err;
1307 		return;
1308 op_err:
1309 	BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n",
1310 		  vf->abs_vfid, qid, vfop->rc);
1311 
1312 	case BNX2X_VFOP_QTEARDOWN_DONE:
1313 		bnx2x_vfop_end(bp, vf, vfop);
1314 		return;
1315 	default:
1316 		bnx2x_vfop_default(state);
1317 	}
1318 }
1319 
1320 int bnx2x_vfop_qdown_cmd(struct bnx2x *bp,
1321 			 struct bnx2x_virtf *vf,
1322 			 struct bnx2x_vfop_cmd *cmd,
1323 			 int qid)
1324 {
1325 	struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1326 
1327 	if (vfop) {
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,
1332 					     cmd->block);
1333 	}
1334 
1335 	return -ENOMEM;
1336 }
1337 
1338 /* VF enable primitives
1339  * when pretend is required the caller is responsible
1340  * for calling pretend prior to calling these routines
1341  */
1342 
1343 /* internal vf enable - until vf is enabled internally all transactions
1344  * are blocked. This routine should always be called last with pretend.
1345  */
1346 static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable)
1347 {
1348 	REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0);
1349 }
1350 
1351 /* clears vf error in all semi blocks */
1352 static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid)
1353 {
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);
1358 }
1359 
1360 static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid)
1361 {
1362 	u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5;
1363 	u32 was_err_reg = 0;
1364 
1365 	switch (was_err_group) {
1366 	case 0:
1367 	    was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR;
1368 	    break;
1369 	case 1:
1370 	    was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR;
1371 	    break;
1372 	case 2:
1373 	    was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR;
1374 	    break;
1375 	case 3:
1376 	    was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR;
1377 	    break;
1378 	}
1379 	REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f));
1380 }
1381 
1382 static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf)
1383 {
1384 	int i;
1385 	u32 val;
1386 
1387 	/* Set VF masks and configuration - pretend */
1388 	bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
1389 
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);
1396 
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);
1404 
1405 	DP(BNX2X_MSG_IOV,
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));
1408 
1409 	bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1410 
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);
1414 
1415 		/* zero prod memory */
1416 		REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0);
1417 
1418 		/* clear sb state machine */
1419 		bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id,
1420 				       false /* VF */);
1421 
1422 		/* disable + update */
1423 		bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0,
1424 				    IGU_INT_DISABLE, 1);
1425 	}
1426 }
1427 
1428 void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid)
1429 {
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);
1433 
1434 	/* clear vf errors*/
1435 	bnx2x_vf_semi_clear_err(bp, abs_vfid);
1436 	bnx2x_vf_pglue_clear_err(bp, abs_vfid);
1437 
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));
1443 }
1444 
1445 static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf)
1446 {
1447 	/* Reset vf in IGU  interrupts are still disabled */
1448 	bnx2x_vf_igu_reset(bp, vf);
1449 
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));
1454 }
1455 
1456 static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid)
1457 {
1458 	struct pci_dev *dev;
1459 	struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
1460 
1461 	if (!vf)
1462 		return false;
1463 
1464 	dev = pci_get_bus_and_slot(vf->bus, vf->devfn);
1465 	if (dev)
1466 		return bnx2x_is_pcie_pending(dev);
1467 	return false;
1468 }
1469 
1470 int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid)
1471 {
1472 	/* Verify no pending pci transactions */
1473 	if (bnx2x_vf_is_pcie_pending(bp, abs_vfid))
1474 		BNX2X_ERR("PCIE Transactions still pending\n");
1475 
1476 	return 0;
1477 }
1478 
1479 /* must be called after the number of PF queues and the number of VFs are
1480  * both known
1481  */
1482 static void
1483 bnx2x_iov_static_resc(struct bnx2x *bp, struct vf_pf_resc_request *resc)
1484 {
1485 	u16 vlan_count = 0;
1486 
1487 	/* will be set only during VF-ACQUIRE */
1488 	resc->num_rxqs = 0;
1489 	resc->num_txqs = 0;
1490 
1491 	/* no credit calculcis for macs (just yet) */
1492 	resc->num_mac_filters = 1;
1493 
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);
1498 
1499 	/* no real limitation */
1500 	resc->num_mc_filters = 0;
1501 
1502 	/* num_sbs already set */
1503 }
1504 
1505 /* FLR routines: */
1506 static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf)
1507 {
1508 	/* reset the state variables */
1509 	bnx2x_iov_static_resc(bp, &vf->alloc_resc);
1510 	vf->state = VF_FREE;
1511 }
1512 
1513 static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf)
1514 {
1515 	u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp);
1516 
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",
1521 					poll_cnt);
1522 	bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
1523 
1524 	/* FW cleanup command - poll for the results */
1525 	if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid),
1526 				   poll_cnt))
1527 		BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid);
1528 
1529 	/* verify TX hw is flushed */
1530 	bnx2x_tx_hw_flushed(bp, poll_cnt);
1531 }
1532 
1533 static void bnx2x_vfop_flr(struct bnx2x *bp, struct bnx2x_virtf *vf)
1534 {
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,
1540 		.block = false,
1541 	};
1542 
1543 	if (vfop->rc < 0)
1544 		goto op_err;
1545 
1546 	DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
1547 
1548 	switch (state) {
1549 	case BNX2X_VFOP_FLR_QUEUES:
1550 		/* the cleanup operations are valid if and only if the VF
1551 		 * was first acquired.
1552 		 */
1553 		if (++(qx->qid) < vf_rxq_count(vf)) {
1554 			vfop->rc = bnx2x_vfop_qflr_cmd(bp, vf, &cmd,
1555 						       qx->qid);
1556 			if (vfop->rc)
1557 				goto op_err;
1558 			return;
1559 		}
1560 		/* remove multicasts */
1561 		vfop->state = BNX2X_VFOP_FLR_HW;
1562 		vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL,
1563 						0, true);
1564 		if (vfop->rc)
1565 			goto op_err;
1566 		return;
1567 	case BNX2X_VFOP_FLR_HW:
1568 
1569 		/* dispatch final cleanup and wait for HW queues to flush */
1570 		bnx2x_vf_flr_clnup_hw(bp, vf);
1571 
1572 		/* release VF resources */
1573 		bnx2x_vf_free_resc(bp, vf);
1574 
1575 		/* re-open the mailbox */
1576 		bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
1577 
1578 		goto op_done;
1579 	default:
1580 		bnx2x_vfop_default(state);
1581 	}
1582 op_err:
1583 	BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf->abs_vfid, vfop->rc);
1584 op_done:
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);
1588 }
1589 
1590 static int bnx2x_vfop_flr_cmd(struct bnx2x *bp,
1591 			      struct bnx2x_virtf *vf,
1592 			      vfop_handler_t done)
1593 {
1594 	struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1595 	if (vfop) {
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);
1600 	}
1601 	return -ENOMEM;
1602 }
1603 
1604 static void bnx2x_vf_flr_clnup(struct bnx2x *bp, struct bnx2x_virtf *prev_vf)
1605 {
1606 	int i = prev_vf ? prev_vf->index + 1 : 0;
1607 	struct bnx2x_virtf *vf;
1608 
1609 	/* find next VF to cleanup */
1610 next_vf_to_clean:
1611 	for (;
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);
1615 	     i++)
1616 		;
1617 
1618 	DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. Num of vfs: %d\n", i,
1619 	   BNX2X_NR_VIRTFN(bp));
1620 
1621 	if (i < BNX2X_NR_VIRTFN(bp)) {
1622 		vf = BP_VF(bp, i);
1623 
1624 		/* lock the vf pf channel */
1625 		bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR);
1626 
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",
1630 				  vf->abs_vfid);
1631 
1632 			/* mark the VF to be ACKED and continue */
1633 			vf->flr_clnup_stage = VF_FLR_ACK;
1634 			goto next_vf_to_clean;
1635 		}
1636 		return;
1637 	}
1638 
1639 	/* we are done, update vf records */
1640 	for_each_vf(bp, i) {
1641 		vf = BP_VF(bp, i);
1642 
1643 		if (vf->flr_clnup_stage != VF_FLR_ACK)
1644 			continue;
1645 
1646 		vf->flr_clnup_stage = VF_FLR_EPILOG;
1647 	}
1648 
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
1655 	 */
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]);
1661 
1662 	bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0);
1663 
1664 	/* clear the acked bits - better yet if the MCP implemented
1665 	 * write to clear semantics
1666 	 */
1667 	for (i = 0; i < FLRD_VFS_DWORDS; i++)
1668 		SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0);
1669 }
1670 
1671 void bnx2x_vf_handle_flr_event(struct bnx2x *bp)
1672 {
1673 	int i;
1674 
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]);
1678 
1679 	DP(BNX2X_MSG_MCP,
1680 	   "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n",
1681 	   bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]);
1682 
1683 	for_each_vf(bp, i) {
1684 		struct bnx2x_virtf *vf = BP_VF(bp, i);
1685 		u32 reset = 0;
1686 
1687 		if (vf->abs_vfid < 32)
1688 			reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid);
1689 		else
1690 			reset = bp->vfdb->flrd_vfs[1] &
1691 				(1 << (vf->abs_vfid - 32));
1692 
1693 		if (reset) {
1694 			/* set as reset and ready for cleanup */
1695 			vf->state = VF_RESET;
1696 			vf->flr_clnup_stage = VF_FLR_CLN;
1697 
1698 			DP(BNX2X_MSG_IOV,
1699 			   "Initiating Final cleanup for VF %d\n",
1700 			   vf->abs_vfid);
1701 		}
1702 	}
1703 
1704 	/* do the FLR cleanup for all marked VFs*/
1705 	bnx2x_vf_flr_clnup(bp, NULL);
1706 }
1707 
1708 /* IOV global initialization routines  */
1709 void bnx2x_iov_init_dq(struct bnx2x *bp)
1710 {
1711 	if (!IS_SRIOV(bp))
1712 		return;
1713 
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));
1717 
1718 	/* Set VFs starting CID. If its > 0 the preceding CIDs are belong to
1719 	 * the PF L2 queues
1720 	 */
1721 	REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID);
1722 
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);
1725 
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.
1728 	 */
1729 	REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST,
1730 	       BNX2X_DB_SHIFT - BNX2X_DB_MIN_SHIFT);
1731 
1732 	/* No security checks for now -
1733 	 * configure single rule (out of 16) mask = 0x1, value = 0x0,
1734 	 * CID range 0 - 0x1ffff
1735 	 */
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);
1740 
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);
1743 
1744 	/* set the VF doorbell threshold */
1745 	REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4);
1746 }
1747 
1748 void bnx2x_iov_init_dmae(struct bnx2x *bp)
1749 {
1750 	if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV))
1751 		REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
1752 }
1753 
1754 static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
1755 {
1756 	struct pci_dev *dev = bp->pdev;
1757 	struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1758 
1759 	return dev->bus->number + ((dev->devfn + iov->offset +
1760 				    iov->stride * vfid) >> 8);
1761 }
1762 
1763 static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid)
1764 {
1765 	struct pci_dev *dev = bp->pdev;
1766 	struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1767 
1768 	return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff;
1769 }
1770 
1771 static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf)
1772 {
1773 	int i, n;
1774 	struct pci_dev *dev = bp->pdev;
1775 	struct bnx2x_sriov *iov = &bp->vfdb->sriov;
1776 
1777 	for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) {
1778 		u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i);
1779 		u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i);
1780 
1781 		size /= iov->total;
1782 		vf->bars[n].bar = start + size * vf->abs_vfid;
1783 		vf->bars[n].size = size;
1784 	}
1785 }
1786 
1787 static int bnx2x_ari_enabled(struct pci_dev *dev)
1788 {
1789 	return dev->bus->self && dev->bus->self->ari_enabled;
1790 }
1791 
1792 static void
1793 bnx2x_get_vf_igu_cam_info(struct bnx2x *bp)
1794 {
1795 	int sb_id;
1796 	u32 val;
1797 	u8 fid;
1798 
1799 	/* IGU in normal mode - read CAM */
1800 	for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) {
1801 		val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4);
1802 		if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
1803 			continue;
1804 		fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID);
1805 		if (!(fid & IGU_FID_ENCODE_IS_PF))
1806 			bnx2x_vf_set_igu_info(bp, sb_id,
1807 					      (fid & IGU_FID_VF_NUM_MASK));
1808 
1809 		DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n",
1810 		   ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"),
1811 		   ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) :
1812 		   (fid & IGU_FID_VF_NUM_MASK)), sb_id,
1813 		   GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR));
1814 	}
1815 }
1816 
1817 static void __bnx2x_iov_free_vfdb(struct bnx2x *bp)
1818 {
1819 	if (bp->vfdb) {
1820 		kfree(bp->vfdb->vfqs);
1821 		kfree(bp->vfdb->vfs);
1822 		kfree(bp->vfdb);
1823 	}
1824 	bp->vfdb = NULL;
1825 }
1826 
1827 static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1828 {
1829 	int pos;
1830 	struct pci_dev *dev = bp->pdev;
1831 
1832 	pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
1833 	if (!pos) {
1834 		BNX2X_ERR("failed to find SRIOV capability in device\n");
1835 		return -ENODEV;
1836 	}
1837 
1838 	iov->pos = pos;
1839 	DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos);
1840 	pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
1841 	pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total);
1842 	pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial);
1843 	pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
1844 	pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
1845 	pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
1846 	pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap);
1847 	pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
1848 
1849 	return 0;
1850 }
1851 
1852 static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov)
1853 {
1854 	u32 val;
1855 
1856 	/* read the SRIOV capability structure
1857 	 * The fields can be read via configuration read or
1858 	 * directly from the device (starting at offset PCICFG_OFFSET)
1859 	 */
1860 	if (bnx2x_sriov_pci_cfg_info(bp, iov))
1861 		return -ENODEV;
1862 
1863 	/* get the number of SRIOV bars */
1864 	iov->nres = 0;
1865 
1866 	/* read the first_vfid */
1867 	val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF);
1868 	iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK)
1869 			       * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp));
1870 
1871 	DP(BNX2X_MSG_IOV,
1872 	   "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",
1873 	   BP_FUNC(bp),
1874 	   iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total,
1875 	   iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
1876 
1877 	return 0;
1878 }
1879 
1880 static u8 bnx2x_iov_get_max_queue_count(struct bnx2x *bp)
1881 {
1882 	int i;
1883 	u8 queue_count = 0;
1884 
1885 	if (IS_SRIOV(bp))
1886 		for_each_vf(bp, i)
1887 			queue_count += bnx2x_vf(bp, i, alloc_resc.num_sbs);
1888 
1889 	return queue_count;
1890 }
1891 
1892 /* must be called after PF bars are mapped */
1893 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
1894 			int num_vfs_param)
1895 {
1896 	int err, i, qcount;
1897 	struct bnx2x_sriov *iov;
1898 	struct pci_dev *dev = bp->pdev;
1899 
1900 	bp->vfdb = NULL;
1901 
1902 	/* verify is pf */
1903 	if (IS_VF(bp))
1904 		return 0;
1905 
1906 	/* verify sriov capability is present in configuration space */
1907 	if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV))
1908 		return 0;
1909 
1910 	/* verify chip revision */
1911 	if (CHIP_IS_E1x(bp))
1912 		return 0;
1913 
1914 	/* check if SRIOV support is turned off */
1915 	if (!num_vfs_param)
1916 		return 0;
1917 
1918 	/* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */
1919 	if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) {
1920 		BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n",
1921 			  BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID);
1922 		return 0;
1923 	}
1924 
1925 	/* SRIOV can be enabled only with MSIX */
1926 	if (int_mode_param == BNX2X_INT_MODE_MSI ||
1927 	    int_mode_param == BNX2X_INT_MODE_INTX) {
1928 		BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n");
1929 		return 0;
1930 	}
1931 
1932 	err = -EIO;
1933 	/* verify ari is enabled */
1934 	if (!bnx2x_ari_enabled(bp->pdev)) {
1935 		BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n");
1936 		return 0;
1937 	}
1938 
1939 	/* verify igu is in normal mode */
1940 	if (CHIP_INT_MODE_IS_BC(bp)) {
1941 		BNX2X_ERR("IGU not normal mode,  SRIOV can not be enabled\n");
1942 		return 0;
1943 	}
1944 
1945 	/* allocate the vfs database */
1946 	bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL);
1947 	if (!bp->vfdb) {
1948 		BNX2X_ERR("failed to allocate vf database\n");
1949 		err = -ENOMEM;
1950 		goto failed;
1951 	}
1952 
1953 	/* get the sriov info - Linux already collected all the pertinent
1954 	 * information, however the sriov structure is for the private use
1955 	 * of the pci module. Also we want this information regardless
1956 	 * of the hyper-visor.
1957 	 */
1958 	iov = &(bp->vfdb->sriov);
1959 	err = bnx2x_sriov_info(bp, iov);
1960 	if (err)
1961 		goto failed;
1962 
1963 	/* SR-IOV capability was enabled but there are no VFs*/
1964 	if (iov->total == 0)
1965 		goto failed;
1966 
1967 	iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param);
1968 
1969 	DP(BNX2X_MSG_IOV, "num_vfs_param was %d, nr_virtfn was %d\n",
1970 	   num_vfs_param, iov->nr_virtfn);
1971 
1972 	/* allocate the vf array */
1973 	bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) *
1974 				BNX2X_NR_VIRTFN(bp), GFP_KERNEL);
1975 	if (!bp->vfdb->vfs) {
1976 		BNX2X_ERR("failed to allocate vf array\n");
1977 		err = -ENOMEM;
1978 		goto failed;
1979 	}
1980 
1981 	/* Initial VF init - index and abs_vfid - nr_virtfn must be set */
1982 	for_each_vf(bp, i) {
1983 		bnx2x_vf(bp, i, index) = i;
1984 		bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i;
1985 		bnx2x_vf(bp, i, state) = VF_FREE;
1986 		INIT_LIST_HEAD(&bnx2x_vf(bp, i, op_list_head));
1987 		mutex_init(&bnx2x_vf(bp, i, op_mutex));
1988 		bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE;
1989 	}
1990 
1991 	/* re-read the IGU CAM for VFs - index and abs_vfid must be set */
1992 	bnx2x_get_vf_igu_cam_info(bp);
1993 
1994 	/* get the total queue count and allocate the global queue arrays */
1995 	qcount = bnx2x_iov_get_max_queue_count(bp);
1996 
1997 	/* allocate the queue arrays for all VFs */
1998 	bp->vfdb->vfqs = kzalloc(qcount * sizeof(struct bnx2x_vf_queue),
1999 				 GFP_KERNEL);
2000 	if (!bp->vfdb->vfqs) {
2001 		BNX2X_ERR("failed to allocate vf queue array\n");
2002 		err = -ENOMEM;
2003 		goto failed;
2004 	}
2005 
2006 	return 0;
2007 failed:
2008 	DP(BNX2X_MSG_IOV, "Failed err=%d\n", err);
2009 	__bnx2x_iov_free_vfdb(bp);
2010 	return err;
2011 }
2012 
2013 void bnx2x_iov_remove_one(struct bnx2x *bp)
2014 {
2015 	/* if SRIOV is not enabled there's nothing to do */
2016 	if (!IS_SRIOV(bp))
2017 		return;
2018 
2019 	DP(BNX2X_MSG_IOV, "about to call disable sriov\n");
2020 	pci_disable_sriov(bp->pdev);
2021 	DP(BNX2X_MSG_IOV, "sriov disabled\n");
2022 
2023 	/* free vf database */
2024 	__bnx2x_iov_free_vfdb(bp);
2025 }
2026 
2027 void bnx2x_iov_free_mem(struct bnx2x *bp)
2028 {
2029 	int i;
2030 
2031 	if (!IS_SRIOV(bp))
2032 		return;
2033 
2034 	/* free vfs hw contexts */
2035 	for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2036 		struct hw_dma *cxt = &bp->vfdb->context[i];
2037 		BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size);
2038 	}
2039 
2040 	BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr,
2041 		       BP_VFDB(bp)->sp_dma.mapping,
2042 		       BP_VFDB(bp)->sp_dma.size);
2043 
2044 	BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr,
2045 		       BP_VF_MBX_DMA(bp)->mapping,
2046 		       BP_VF_MBX_DMA(bp)->size);
2047 
2048 	BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr,
2049 		       BP_VF_BULLETIN_DMA(bp)->mapping,
2050 		       BP_VF_BULLETIN_DMA(bp)->size);
2051 }
2052 
2053 int bnx2x_iov_alloc_mem(struct bnx2x *bp)
2054 {
2055 	size_t tot_size;
2056 	int i, rc = 0;
2057 
2058 	if (!IS_SRIOV(bp))
2059 		return rc;
2060 
2061 	/* allocate vfs hw contexts */
2062 	tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) *
2063 		BNX2X_CIDS_PER_VF * sizeof(union cdu_context);
2064 
2065 	for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2066 		struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i);
2067 		cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ);
2068 
2069 		if (cxt->size) {
2070 			BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size);
2071 		} else {
2072 			cxt->addr = NULL;
2073 			cxt->mapping = 0;
2074 		}
2075 		tot_size -= cxt->size;
2076 	}
2077 
2078 	/* allocate vfs ramrods dma memory - client_init and set_mac */
2079 	tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp);
2080 	BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping,
2081 			tot_size);
2082 	BP_VFDB(bp)->sp_dma.size = tot_size;
2083 
2084 	/* allocate mailboxes */
2085 	tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE;
2086 	BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping,
2087 			tot_size);
2088 	BP_VF_MBX_DMA(bp)->size = tot_size;
2089 
2090 	/* allocate local bulletin boards */
2091 	tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE;
2092 	BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp)->addr,
2093 			&BP_VF_BULLETIN_DMA(bp)->mapping, tot_size);
2094 	BP_VF_BULLETIN_DMA(bp)->size = tot_size;
2095 
2096 	return 0;
2097 
2098 alloc_mem_err:
2099 	return -ENOMEM;
2100 }
2101 
2102 static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
2103 			   struct bnx2x_vf_queue *q)
2104 {
2105 	u8 cl_id = vfq_cl_id(vf, q);
2106 	u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
2107 	unsigned long q_type = 0;
2108 
2109 	set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
2110 	set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
2111 
2112 	/* Queue State object */
2113 	bnx2x_init_queue_obj(bp, &q->sp_obj,
2114 			     cl_id, &q->cid, 1, func_id,
2115 			     bnx2x_vf_sp(bp, vf, q_data),
2116 			     bnx2x_vf_sp_map(bp, vf, q_data),
2117 			     q_type);
2118 
2119 	DP(BNX2X_MSG_IOV,
2120 	   "initialized vf %d's queue object. func id set to %d\n",
2121 	   vf->abs_vfid, q->sp_obj.func_id);
2122 
2123 	/* mac/vlan objects are per queue, but only those
2124 	 * that belong to the leading queue are initialized
2125 	 */
2126 	if (vfq_is_leading(q)) {
2127 		/* mac */
2128 		bnx2x_init_mac_obj(bp, &q->mac_obj,
2129 				   cl_id, q->cid, func_id,
2130 				   bnx2x_vf_sp(bp, vf, mac_rdata),
2131 				   bnx2x_vf_sp_map(bp, vf, mac_rdata),
2132 				   BNX2X_FILTER_MAC_PENDING,
2133 				   &vf->filter_state,
2134 				   BNX2X_OBJ_TYPE_RX_TX,
2135 				   &bp->macs_pool);
2136 		/* vlan */
2137 		bnx2x_init_vlan_obj(bp, &q->vlan_obj,
2138 				    cl_id, q->cid, func_id,
2139 				    bnx2x_vf_sp(bp, vf, vlan_rdata),
2140 				    bnx2x_vf_sp_map(bp, vf, vlan_rdata),
2141 				    BNX2X_FILTER_VLAN_PENDING,
2142 				    &vf->filter_state,
2143 				    BNX2X_OBJ_TYPE_RX_TX,
2144 				    &bp->vlans_pool);
2145 
2146 		/* mcast */
2147 		bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id,
2148 				     q->cid, func_id, func_id,
2149 				     bnx2x_vf_sp(bp, vf, mcast_rdata),
2150 				     bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2151 				     BNX2X_FILTER_MCAST_PENDING,
2152 				     &vf->filter_state,
2153 				     BNX2X_OBJ_TYPE_RX_TX);
2154 
2155 		vf->leading_rss = cl_id;
2156 	}
2157 }
2158 
2159 /* called by bnx2x_nic_load */
2160 int bnx2x_iov_nic_init(struct bnx2x *bp)
2161 {
2162 	int vfid, qcount, i;
2163 
2164 	if (!IS_SRIOV(bp)) {
2165 		DP(BNX2X_MSG_IOV, "vfdb was not allocated\n");
2166 		return 0;
2167 	}
2168 
2169 	DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn);
2170 
2171 	/* let FLR complete ... */
2172 	msleep(100);
2173 
2174 	/* initialize vf database */
2175 	for_each_vf(bp, vfid) {
2176 		struct bnx2x_virtf *vf = BP_VF(bp, vfid);
2177 
2178 		int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) *
2179 			BNX2X_CIDS_PER_VF;
2180 
2181 		union cdu_context *base_cxt = (union cdu_context *)
2182 			BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2183 			(base_vf_cid & (ILT_PAGE_CIDS-1));
2184 
2185 		DP(BNX2X_MSG_IOV,
2186 		   "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n",
2187 		   vf->abs_vfid, vf_sb_count(vf), base_vf_cid,
2188 		   BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt);
2189 
2190 		/* init statically provisioned resources */
2191 		bnx2x_iov_static_resc(bp, &vf->alloc_resc);
2192 
2193 		/* queues are initialized during VF-ACQUIRE */
2194 
2195 		/* reserve the vf vlan credit */
2196 		bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf));
2197 
2198 		vf->filter_state = 0;
2199 		vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id);
2200 
2201 		/*  init mcast object - This object will be re-initialized
2202 		 *  during VF-ACQUIRE with the proper cl_id and cid.
2203 		 *  It needs to be initialized here so that it can be safely
2204 		 *  handled by a subsequent FLR flow.
2205 		 */
2206 		bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF,
2207 				     0xFF, 0xFF, 0xFF,
2208 				     bnx2x_vf_sp(bp, vf, mcast_rdata),
2209 				     bnx2x_vf_sp_map(bp, vf, mcast_rdata),
2210 				     BNX2X_FILTER_MCAST_PENDING,
2211 				     &vf->filter_state,
2212 				     BNX2X_OBJ_TYPE_RX_TX);
2213 
2214 		/* set the mailbox message addresses */
2215 		BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *)
2216 			(((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid *
2217 			MBX_MSG_ALIGNED_SIZE);
2218 
2219 		BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping +
2220 			vfid * MBX_MSG_ALIGNED_SIZE;
2221 
2222 		/* Enable vf mailbox */
2223 		bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
2224 	}
2225 
2226 	/* Final VF init */
2227 	qcount = 0;
2228 	for_each_vf(bp, i) {
2229 		struct bnx2x_virtf *vf = BP_VF(bp, i);
2230 
2231 		/* fill in the BDF and bars */
2232 		vf->bus = bnx2x_vf_bus(bp, i);
2233 		vf->devfn = bnx2x_vf_devfn(bp, i);
2234 		bnx2x_vf_set_bars(bp, vf);
2235 
2236 		DP(BNX2X_MSG_IOV,
2237 		   "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n",
2238 		   vf->abs_vfid, vf->bus, vf->devfn,
2239 		   (unsigned)vf->bars[0].bar, vf->bars[0].size,
2240 		   (unsigned)vf->bars[1].bar, vf->bars[1].size,
2241 		   (unsigned)vf->bars[2].bar, vf->bars[2].size);
2242 
2243 		/* set local queue arrays */
2244 		vf->vfqs = &bp->vfdb->vfqs[qcount];
2245 		qcount += bnx2x_vf(bp, i, alloc_resc.num_sbs);
2246 	}
2247 
2248 	return 0;
2249 }
2250 
2251 /* called by bnx2x_chip_cleanup */
2252 int bnx2x_iov_chip_cleanup(struct bnx2x *bp)
2253 {
2254 	int i;
2255 
2256 	if (!IS_SRIOV(bp))
2257 		return 0;
2258 
2259 	/* release all the VFs */
2260 	for_each_vf(bp, i)
2261 		bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */
2262 
2263 	return 0;
2264 }
2265 
2266 /* called by bnx2x_init_hw_func, returns the next ilt line */
2267 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line)
2268 {
2269 	int i;
2270 	struct bnx2x_ilt *ilt = BP_ILT(bp);
2271 
2272 	if (!IS_SRIOV(bp))
2273 		return line;
2274 
2275 	/* set vfs ilt lines */
2276 	for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
2277 		struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i);
2278 
2279 		ilt->lines[line+i].page = hw_cxt->addr;
2280 		ilt->lines[line+i].page_mapping = hw_cxt->mapping;
2281 		ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */
2282 	}
2283 	return line + i;
2284 }
2285 
2286 static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid)
2287 {
2288 	return ((cid >= BNX2X_FIRST_VF_CID) &&
2289 		((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS));
2290 }
2291 
2292 static
2293 void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp,
2294 					struct bnx2x_vf_queue *vfq,
2295 					union event_ring_elem *elem)
2296 {
2297 	unsigned long ramrod_flags = 0;
2298 	int rc = 0;
2299 
2300 	/* Always push next commands out, don't wait here */
2301 	set_bit(RAMROD_CONT, &ramrod_flags);
2302 
2303 	switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) {
2304 	case BNX2X_FILTER_MAC_PENDING:
2305 		rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem,
2306 					   &ramrod_flags);
2307 		break;
2308 	case BNX2X_FILTER_VLAN_PENDING:
2309 		rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem,
2310 					    &ramrod_flags);
2311 		break;
2312 	default:
2313 		BNX2X_ERR("Unsupported classification command: %d\n",
2314 			  elem->message.data.eth_event.echo);
2315 		return;
2316 	}
2317 	if (rc < 0)
2318 		BNX2X_ERR("Failed to schedule new commands: %d\n", rc);
2319 	else if (rc > 0)
2320 		DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n");
2321 }
2322 
2323 static
2324 void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp,
2325 			       struct bnx2x_virtf *vf)
2326 {
2327 	struct bnx2x_mcast_ramrod_params rparam = {NULL};
2328 	int rc;
2329 
2330 	rparam.mcast_obj = &vf->mcast_obj;
2331 	vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw);
2332 
2333 	/* If there are pending mcast commands - send them */
2334 	if (vf->mcast_obj.check_pending(&vf->mcast_obj)) {
2335 		rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT);
2336 		if (rc < 0)
2337 			BNX2X_ERR("Failed to send pending mcast commands: %d\n",
2338 				  rc);
2339 	}
2340 }
2341 
2342 static
2343 void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp,
2344 				 struct bnx2x_virtf *vf)
2345 {
2346 	smp_mb__before_clear_bit();
2347 	clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state);
2348 	smp_mb__after_clear_bit();
2349 }
2350 
2351 int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem)
2352 {
2353 	struct bnx2x_virtf *vf;
2354 	int qidx = 0, abs_vfid;
2355 	u8 opcode;
2356 	u16 cid = 0xffff;
2357 
2358 	if (!IS_SRIOV(bp))
2359 		return 1;
2360 
2361 	/* first get the cid - the only events we handle here are cfc-delete
2362 	 * and set-mac completion
2363 	 */
2364 	opcode = elem->message.opcode;
2365 
2366 	switch (opcode) {
2367 	case EVENT_RING_OPCODE_CFC_DEL:
2368 		cid = SW_CID((__force __le32)
2369 			     elem->message.data.cfc_del_event.cid);
2370 		DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid);
2371 		break;
2372 	case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2373 	case EVENT_RING_OPCODE_MULTICAST_RULES:
2374 	case EVENT_RING_OPCODE_FILTERS_RULES:
2375 		cid = (elem->message.data.eth_event.echo &
2376 		       BNX2X_SWCID_MASK);
2377 		DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid);
2378 		break;
2379 	case EVENT_RING_OPCODE_VF_FLR:
2380 		abs_vfid = elem->message.data.vf_flr_event.vf_id;
2381 		DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n",
2382 		   abs_vfid);
2383 		goto get_vf;
2384 	case EVENT_RING_OPCODE_MALICIOUS_VF:
2385 		abs_vfid = elem->message.data.malicious_vf_event.vf_id;
2386 		DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d err_id=0x%x\n",
2387 		   abs_vfid, elem->message.data.malicious_vf_event.err_id);
2388 		goto get_vf;
2389 	default:
2390 		return 1;
2391 	}
2392 
2393 	/* check if the cid is the VF range */
2394 	if (!bnx2x_iov_is_vf_cid(bp, cid)) {
2395 		DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid);
2396 		return 1;
2397 	}
2398 
2399 	/* extract vf and rxq index from vf_cid - relies on the following:
2400 	 * 1. vfid on cid reflects the true abs_vfid
2401 	 * 2. The max number of VFs (per path) is 64
2402 	 */
2403 	qidx = cid & ((1 << BNX2X_VF_CID_WND)-1);
2404 	abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2405 get_vf:
2406 	vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
2407 
2408 	if (!vf) {
2409 		BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n",
2410 			  cid, abs_vfid);
2411 		return 0;
2412 	}
2413 
2414 	switch (opcode) {
2415 	case EVENT_RING_OPCODE_CFC_DEL:
2416 		DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n",
2417 		   vf->abs_vfid, qidx);
2418 		vfq_get(vf, qidx)->sp_obj.complete_cmd(bp,
2419 						       &vfq_get(vf,
2420 								qidx)->sp_obj,
2421 						       BNX2X_Q_CMD_CFC_DEL);
2422 		break;
2423 	case EVENT_RING_OPCODE_CLASSIFICATION_RULES:
2424 		DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n",
2425 		   vf->abs_vfid, qidx);
2426 		bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem);
2427 		break;
2428 	case EVENT_RING_OPCODE_MULTICAST_RULES:
2429 		DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n",
2430 		   vf->abs_vfid, qidx);
2431 		bnx2x_vf_handle_mcast_eqe(bp, vf);
2432 		break;
2433 	case EVENT_RING_OPCODE_FILTERS_RULES:
2434 		DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n",
2435 		   vf->abs_vfid, qidx);
2436 		bnx2x_vf_handle_filters_eqe(bp, vf);
2437 		break;
2438 	case EVENT_RING_OPCODE_VF_FLR:
2439 		DP(BNX2X_MSG_IOV, "got VF [%d] FLR notification\n",
2440 		   vf->abs_vfid);
2441 		/* Do nothing for now */
2442 		break;
2443 	case EVENT_RING_OPCODE_MALICIOUS_VF:
2444 		DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d error id %x\n",
2445 		   abs_vfid, elem->message.data.malicious_vf_event.err_id);
2446 		/* Do nothing for now */
2447 		break;
2448 	}
2449 	/* SRIOV: reschedule any 'in_progress' operations */
2450 	bnx2x_iov_sp_event(bp, cid, false);
2451 
2452 	return 0;
2453 }
2454 
2455 static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid)
2456 {
2457 	/* extract the vf from vf_cid - relies on the following:
2458 	 * 1. vfid on cid reflects the true abs_vfid
2459 	 * 2. The max number of VFs (per path) is 64
2460 	 */
2461 	int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1);
2462 	return bnx2x_vf_by_abs_fid(bp, abs_vfid);
2463 }
2464 
2465 void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
2466 				struct bnx2x_queue_sp_obj **q_obj)
2467 {
2468 	struct bnx2x_virtf *vf;
2469 
2470 	if (!IS_SRIOV(bp))
2471 		return;
2472 
2473 	vf = bnx2x_vf_by_cid(bp, vf_cid);
2474 
2475 	if (vf) {
2476 		/* extract queue index from vf_cid - relies on the following:
2477 		 * 1. vfid on cid reflects the true abs_vfid
2478 		 * 2. The max number of VFs (per path) is 64
2479 		 */
2480 		int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1);
2481 		*q_obj = &bnx2x_vfq(vf, q_index, sp_obj);
2482 	} else {
2483 		BNX2X_ERR("No vf matching cid %d\n", vf_cid);
2484 	}
2485 }
2486 
2487 void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work)
2488 {
2489 	struct bnx2x_virtf *vf;
2490 
2491 	/* check if the cid is the VF range */
2492 	if (!IS_SRIOV(bp) || !bnx2x_iov_is_vf_cid(bp, vf_cid))
2493 		return;
2494 
2495 	vf = bnx2x_vf_by_cid(bp, vf_cid);
2496 	if (vf) {
2497 		/* set in_progress flag */
2498 		atomic_set(&vf->op_in_progress, 1);
2499 		if (queue_work)
2500 			queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
2501 	}
2502 }
2503 
2504 void bnx2x_iov_adjust_stats_req(struct bnx2x *bp)
2505 {
2506 	int i;
2507 	int first_queue_query_index, num_queues_req;
2508 	dma_addr_t cur_data_offset;
2509 	struct stats_query_entry *cur_query_entry;
2510 	u8 stats_count = 0;
2511 	bool is_fcoe = false;
2512 
2513 	if (!IS_SRIOV(bp))
2514 		return;
2515 
2516 	if (!NO_FCOE(bp))
2517 		is_fcoe = true;
2518 
2519 	/* fcoe adds one global request and one queue request */
2520 	num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe;
2521 	first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX -
2522 		(is_fcoe ? 0 : 1);
2523 
2524 	DP(BNX2X_MSG_IOV,
2525 	   "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",
2526 	   BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index,
2527 	   first_queue_query_index + num_queues_req);
2528 
2529 	cur_data_offset = bp->fw_stats_data_mapping +
2530 		offsetof(struct bnx2x_fw_stats_data, queue_stats) +
2531 		num_queues_req * sizeof(struct per_queue_stats);
2532 
2533 	cur_query_entry = &bp->fw_stats_req->
2534 		query[first_queue_query_index + num_queues_req];
2535 
2536 	for_each_vf(bp, i) {
2537 		int j;
2538 		struct bnx2x_virtf *vf = BP_VF(bp, i);
2539 
2540 		if (vf->state != VF_ENABLED) {
2541 			DP(BNX2X_MSG_IOV,
2542 			   "vf %d not enabled so no stats for it\n",
2543 			   vf->abs_vfid);
2544 			continue;
2545 		}
2546 
2547 		DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid);
2548 		for_each_vfq(vf, j) {
2549 			struct bnx2x_vf_queue *rxq = vfq_get(vf, j);
2550 
2551 			/* collect stats fro active queues only */
2552 			if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) ==
2553 			    BNX2X_Q_LOGICAL_STATE_STOPPED)
2554 				continue;
2555 
2556 			/* create stats query entry for this queue */
2557 			cur_query_entry->kind = STATS_TYPE_QUEUE;
2558 			cur_query_entry->index = vfq_cl_id(vf, rxq);
2559 			cur_query_entry->funcID =
2560 				cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid));
2561 			cur_query_entry->address.hi =
2562 				cpu_to_le32(U64_HI(vf->fw_stat_map));
2563 			cur_query_entry->address.lo =
2564 				cpu_to_le32(U64_LO(vf->fw_stat_map));
2565 			DP(BNX2X_MSG_IOV,
2566 			   "added address %x %x for vf %d queue %d client %d\n",
2567 			   cur_query_entry->address.hi,
2568 			   cur_query_entry->address.lo, cur_query_entry->funcID,
2569 			   j, cur_query_entry->index);
2570 			cur_query_entry++;
2571 			cur_data_offset += sizeof(struct per_queue_stats);
2572 			stats_count++;
2573 		}
2574 	}
2575 	bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count;
2576 }
2577 
2578 void bnx2x_iov_sp_task(struct bnx2x *bp)
2579 {
2580 	int i;
2581 
2582 	if (!IS_SRIOV(bp))
2583 		return;
2584 	/* Iterate over all VFs and invoke state transition for VFs with
2585 	 * 'in-progress' slow-path operations
2586 	 */
2587 	DP(BNX2X_MSG_IOV, "searching for pending vf operations\n");
2588 	for_each_vf(bp, i) {
2589 		struct bnx2x_virtf *vf = BP_VF(bp, i);
2590 
2591 		if (!list_empty(&vf->op_list_head) &&
2592 		    atomic_read(&vf->op_in_progress)) {
2593 			DP(BNX2X_MSG_IOV, "running pending op for vf %d\n", i);
2594 			bnx2x_vfop_cur(bp, vf)->transition(bp, vf);
2595 		}
2596 	}
2597 }
2598 
2599 static inline
2600 struct bnx2x_virtf *__vf_from_stat_id(struct bnx2x *bp, u8 stat_id)
2601 {
2602 	int i;
2603 	struct bnx2x_virtf *vf = NULL;
2604 
2605 	for_each_vf(bp, i) {
2606 		vf = BP_VF(bp, i);
2607 		if (stat_id >= vf->igu_base_id &&
2608 		    stat_id < vf->igu_base_id + vf_sb_count(vf))
2609 			break;
2610 	}
2611 	return vf;
2612 }
2613 
2614 /* VF API helpers */
2615 static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid,
2616 				u8 enable)
2617 {
2618 	u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4;
2619 	u32 val = enable ? (abs_vfid | (1 << 6)) : 0;
2620 
2621 	REG_WR(bp, reg, val);
2622 }
2623 
2624 static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf)
2625 {
2626 	int i;
2627 
2628 	for_each_vfq(vf, i)
2629 		bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2630 				    vfq_qzone_id(vf, vfq_get(vf, i)), false);
2631 }
2632 
2633 static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf)
2634 {
2635 	u32 val;
2636 
2637 	/* clear the VF configuration - pretend */
2638 	bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid));
2639 	val = REG_RD(bp, IGU_REG_VF_CONFIGURATION);
2640 	val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN |
2641 		 IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK);
2642 	REG_WR(bp, IGU_REG_VF_CONFIGURATION, val);
2643 	bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
2644 }
2645 
2646 u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf)
2647 {
2648 	return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF),
2649 		     BNX2X_VF_MAX_QUEUES);
2650 }
2651 
2652 static
2653 int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf,
2654 			    struct vf_pf_resc_request *req_resc)
2655 {
2656 	u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2657 	u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf);
2658 
2659 	return ((req_resc->num_rxqs <= rxq_cnt) &&
2660 		(req_resc->num_txqs <= txq_cnt) &&
2661 		(req_resc->num_sbs <= vf_sb_count(vf))   &&
2662 		(req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) &&
2663 		(req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf)));
2664 }
2665 
2666 /* CORE VF API */
2667 int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
2668 		     struct vf_pf_resc_request *resc)
2669 {
2670 	int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) *
2671 		BNX2X_CIDS_PER_VF;
2672 
2673 	union cdu_context *base_cxt = (union cdu_context *)
2674 		BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
2675 		(base_vf_cid & (ILT_PAGE_CIDS-1));
2676 	int i;
2677 
2678 	/* if state is 'acquired' the VF was not released or FLR'd, in
2679 	 * this case the returned resources match the acquired already
2680 	 * acquired resources. Verify that the requested numbers do
2681 	 * not exceed the already acquired numbers.
2682 	 */
2683 	if (vf->state == VF_ACQUIRED) {
2684 		DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n",
2685 		   vf->abs_vfid);
2686 
2687 		if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2688 			BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n",
2689 				  vf->abs_vfid);
2690 			return -EINVAL;
2691 		}
2692 		return 0;
2693 	}
2694 
2695 	/* Otherwise vf state must be 'free' or 'reset' */
2696 	if (vf->state != VF_FREE && vf->state != VF_RESET) {
2697 		BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n",
2698 			  vf->abs_vfid, vf->state);
2699 		return -EINVAL;
2700 	}
2701 
2702 	/* static allocation:
2703 	 * the global maximum number are fixed per VF. Fail the request if
2704 	 * requested number exceed these globals
2705 	 */
2706 	if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) {
2707 		DP(BNX2X_MSG_IOV,
2708 		   "cannot fulfill vf resource request. Placing maximal available values in response\n");
2709 		/* set the max resource in the vf */
2710 		return -ENOMEM;
2711 	}
2712 
2713 	/* Set resources counters - 0 request means max available */
2714 	vf_sb_count(vf) = resc->num_sbs;
2715 	vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2716 	vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf);
2717 	if (resc->num_mac_filters)
2718 		vf_mac_rules_cnt(vf) = resc->num_mac_filters;
2719 	if (resc->num_vlan_filters)
2720 		vf_vlan_rules_cnt(vf) = resc->num_vlan_filters;
2721 
2722 	DP(BNX2X_MSG_IOV,
2723 	   "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n",
2724 	   vf_sb_count(vf), vf_rxq_count(vf),
2725 	   vf_txq_count(vf), vf_mac_rules_cnt(vf),
2726 	   vf_vlan_rules_cnt(vf));
2727 
2728 	/* Initialize the queues */
2729 	if (!vf->vfqs) {
2730 		DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n");
2731 		return -EINVAL;
2732 	}
2733 
2734 	for_each_vfq(vf, i) {
2735 		struct bnx2x_vf_queue *q = vfq_get(vf, i);
2736 
2737 		if (!q) {
2738 			DP(BNX2X_MSG_IOV, "q number %d was not allocated\n", i);
2739 			return -EINVAL;
2740 		}
2741 
2742 		q->index = i;
2743 		q->cxt = &((base_cxt + i)->eth);
2744 		q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i;
2745 
2746 		DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n",
2747 		   vf->abs_vfid, i, q->index, q->cid, q->cxt);
2748 
2749 		/* init SP objects */
2750 		bnx2x_vfq_init(bp, vf, q);
2751 	}
2752 	vf->state = VF_ACQUIRED;
2753 	return 0;
2754 }
2755 
2756 int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map)
2757 {
2758 	struct bnx2x_func_init_params func_init = {0};
2759 	u16 flags = 0;
2760 	int i;
2761 
2762 	/* the sb resources are initialized at this point, do the
2763 	 * FW/HW initializations
2764 	 */
2765 	for_each_vf_sb(vf, i)
2766 		bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true,
2767 			      vf_igu_sb(vf, i), vf_igu_sb(vf, i));
2768 
2769 	/* Sanity checks */
2770 	if (vf->state != VF_ACQUIRED) {
2771 		DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n",
2772 		   vf->abs_vfid, vf->state);
2773 		return -EINVAL;
2774 	}
2775 
2776 	/* let FLR complete ... */
2777 	msleep(100);
2778 
2779 	/* FLR cleanup epilogue */
2780 	if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid))
2781 		return -EBUSY;
2782 
2783 	/* reset IGU VF statistics: MSIX */
2784 	REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0);
2785 
2786 	/* vf init */
2787 	if (vf->cfg_flags & VF_CFG_STATS)
2788 		flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ);
2789 
2790 	if (vf->cfg_flags & VF_CFG_TPA)
2791 		flags |= FUNC_FLG_TPA;
2792 
2793 	if (is_vf_multi(vf))
2794 		flags |= FUNC_FLG_RSS;
2795 
2796 	/* function setup */
2797 	func_init.func_flgs = flags;
2798 	func_init.pf_id = BP_FUNC(bp);
2799 	func_init.func_id = FW_VF_HANDLE(vf->abs_vfid);
2800 	func_init.fw_stat_map = vf->fw_stat_map;
2801 	func_init.spq_map = vf->spq_map;
2802 	func_init.spq_prod = 0;
2803 	bnx2x_func_init(bp, &func_init);
2804 
2805 	/* Enable the vf */
2806 	bnx2x_vf_enable_access(bp, vf->abs_vfid);
2807 	bnx2x_vf_enable_traffic(bp, vf);
2808 
2809 	/* queue protection table */
2810 	for_each_vfq(vf, i)
2811 		bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid,
2812 				    vfq_qzone_id(vf, vfq_get(vf, i)), true);
2813 
2814 	vf->state = VF_ENABLED;
2815 
2816 	/* update vf bulletin board */
2817 	bnx2x_post_vf_bulletin(bp, vf->index);
2818 
2819 	return 0;
2820 }
2821 
2822 /* VFOP close (teardown the queues, delete mcasts and close HW) */
2823 static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf)
2824 {
2825 	struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2826 	struct bnx2x_vfop_args_qx *qx = &vfop->args.qx;
2827 	enum bnx2x_vfop_close_state state = vfop->state;
2828 	struct bnx2x_vfop_cmd cmd = {
2829 		.done = bnx2x_vfop_close,
2830 		.block = false,
2831 	};
2832 
2833 	if (vfop->rc < 0)
2834 		goto op_err;
2835 
2836 	DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state);
2837 
2838 	switch (state) {
2839 	case BNX2X_VFOP_CLOSE_QUEUES:
2840 
2841 		if (++(qx->qid) < vf_rxq_count(vf)) {
2842 			vfop->rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qx->qid);
2843 			if (vfop->rc)
2844 				goto op_err;
2845 			return;
2846 		}
2847 
2848 		/* remove multicasts */
2849 		vfop->state = BNX2X_VFOP_CLOSE_HW;
2850 		vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, 0, false);
2851 		if (vfop->rc)
2852 			goto op_err;
2853 		return;
2854 
2855 	case BNX2X_VFOP_CLOSE_HW:
2856 
2857 		/* disable the interrupts */
2858 		DP(BNX2X_MSG_IOV, "disabling igu\n");
2859 		bnx2x_vf_igu_disable(bp, vf);
2860 
2861 		/* disable the VF */
2862 		DP(BNX2X_MSG_IOV, "clearing qtbl\n");
2863 		bnx2x_vf_clr_qtbl(bp, vf);
2864 
2865 		goto op_done;
2866 	default:
2867 		bnx2x_vfop_default(state);
2868 	}
2869 op_err:
2870 	BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc);
2871 op_done:
2872 	vf->state = VF_ACQUIRED;
2873 	DP(BNX2X_MSG_IOV, "set state to acquired\n");
2874 	bnx2x_vfop_end(bp, vf, vfop);
2875 }
2876 
2877 int bnx2x_vfop_close_cmd(struct bnx2x *bp,
2878 			 struct bnx2x_virtf *vf,
2879 			 struct bnx2x_vfop_cmd *cmd)
2880 {
2881 	struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2882 	if (vfop) {
2883 		vfop->args.qx.qid = -1; /* loop */
2884 		bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES,
2885 				 bnx2x_vfop_close, cmd->done);
2886 		return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_close,
2887 					     cmd->block);
2888 	}
2889 	return -ENOMEM;
2890 }
2891 
2892 /* VF release can be called either: 1. The VF was acquired but
2893  * not enabled 2. the vf was enabled or in the process of being
2894  * enabled
2895  */
2896 static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf)
2897 {
2898 	struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
2899 	struct bnx2x_vfop_cmd cmd = {
2900 		.done = bnx2x_vfop_release,
2901 		.block = false,
2902 	};
2903 
2904 	DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2905 
2906 	if (vfop->rc < 0)
2907 		goto op_err;
2908 
2909 	DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid,
2910 	   vf->state == VF_FREE ? "Free" :
2911 	   vf->state == VF_ACQUIRED ? "Acquired" :
2912 	   vf->state == VF_ENABLED ? "Enabled" :
2913 	   vf->state == VF_RESET ? "Reset" :
2914 	   "Unknown");
2915 
2916 	switch (vf->state) {
2917 	case VF_ENABLED:
2918 		vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd);
2919 		if (vfop->rc)
2920 			goto op_err;
2921 		return;
2922 
2923 	case VF_ACQUIRED:
2924 		DP(BNX2X_MSG_IOV, "about to free resources\n");
2925 		bnx2x_vf_free_resc(bp, vf);
2926 		DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc);
2927 		goto op_done;
2928 
2929 	case VF_FREE:
2930 	case VF_RESET:
2931 		/* do nothing */
2932 		goto op_done;
2933 	default:
2934 		bnx2x_vfop_default(vf->state);
2935 	}
2936 op_err:
2937 	BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc);
2938 op_done:
2939 	bnx2x_vfop_end(bp, vf, vfop);
2940 }
2941 
2942 int bnx2x_vfop_release_cmd(struct bnx2x *bp,
2943 			   struct bnx2x_virtf *vf,
2944 			   struct bnx2x_vfop_cmd *cmd)
2945 {
2946 	struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
2947 	if (vfop) {
2948 		bnx2x_vfop_opset(-1, /* use vf->state */
2949 				 bnx2x_vfop_release, cmd->done);
2950 		return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release,
2951 					     cmd->block);
2952 	}
2953 	return -ENOMEM;
2954 }
2955 
2956 /* VF release ~ VF close + VF release-resources
2957  * Release is the ultimate SW shutdown and is called whenever an
2958  * irrecoverable error is encountered.
2959  */
2960 void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block)
2961 {
2962 	struct bnx2x_vfop_cmd cmd = {
2963 		.done = NULL,
2964 		.block = block,
2965 	};
2966 	int rc;
2967 	bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF);
2968 
2969 	rc = bnx2x_vfop_release_cmd(bp, vf, &cmd);
2970 	if (rc)
2971 		WARN(rc,
2972 		     "VF[%d] Failed to allocate resources for release op- rc=%d\n",
2973 		     vf->abs_vfid, rc);
2974 }
2975 
2976 static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp,
2977 			      struct bnx2x_virtf *vf, u32 *sbdf)
2978 {
2979 	*sbdf = vf->devfn | (vf->bus << 8);
2980 }
2981 
2982 static inline void bnx2x_vf_get_bars(struct bnx2x *bp, struct bnx2x_virtf *vf,
2983 		       struct bnx2x_vf_bar_info *bar_info)
2984 {
2985 	int n;
2986 
2987 	bar_info->nr_bars = bp->vfdb->sriov.nres;
2988 	for (n = 0; n < bar_info->nr_bars; n++)
2989 		bar_info->bars[n] = vf->bars[n];
2990 }
2991 
2992 void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
2993 			      enum channel_tlvs tlv)
2994 {
2995 	/* lock the channel */
2996 	mutex_lock(&vf->op_mutex);
2997 
2998 	/* record the locking op */
2999 	vf->op_current = tlv;
3000 
3001 	/* log the lock */
3002 	DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n",
3003 	   vf->abs_vfid, tlv);
3004 }
3005 
3006 void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
3007 				enum channel_tlvs expected_tlv)
3008 {
3009 	WARN(expected_tlv != vf->op_current,
3010 	     "lock mismatch: expected %d found %d", expected_tlv,
3011 	     vf->op_current);
3012 
3013 	/* lock the channel */
3014 	mutex_unlock(&vf->op_mutex);
3015 
3016 	/* log the unlock */
3017 	DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n",
3018 	   vf->abs_vfid, vf->op_current);
3019 
3020 	/* record the locking op */
3021 	vf->op_current = CHANNEL_TLV_NONE;
3022 }
3023 
3024 int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param)
3025 {
3026 	struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev));
3027 
3028 	DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n",
3029 	   num_vfs_param, BNX2X_NR_VIRTFN(bp));
3030 
3031 	/* HW channel is only operational when PF is up */
3032 	if (bp->state != BNX2X_STATE_OPEN) {
3033 		BNX2X_ERR("VF num configuration via sysfs not supported while PF is down\n");
3034 		return -EINVAL;
3035 	}
3036 
3037 	/* we are always bound by the total_vfs in the configuration space */
3038 	if (num_vfs_param > BNX2X_NR_VIRTFN(bp)) {
3039 		BNX2X_ERR("truncating requested number of VFs (%d) down to maximum allowed (%d)\n",
3040 			  num_vfs_param, BNX2X_NR_VIRTFN(bp));
3041 		num_vfs_param = BNX2X_NR_VIRTFN(bp);
3042 	}
3043 
3044 	bp->requested_nr_virtfn = num_vfs_param;
3045 	if (num_vfs_param == 0) {
3046 		pci_disable_sriov(dev);
3047 		return 0;
3048 	} else {
3049 		return bnx2x_enable_sriov(bp);
3050 	}
3051 }
3052 
3053 int bnx2x_enable_sriov(struct bnx2x *bp)
3054 {
3055 	int rc = 0, req_vfs = bp->requested_nr_virtfn;
3056 
3057 	rc = pci_enable_sriov(bp->pdev, req_vfs);
3058 	if (rc) {
3059 		BNX2X_ERR("pci_enable_sriov failed with %d\n", rc);
3060 		return rc;
3061 	}
3062 	DP(BNX2X_MSG_IOV, "sriov enabled (%d vfs)\n", req_vfs);
3063 	return req_vfs;
3064 }
3065 
3066 void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp)
3067 {
3068 	int vfidx;
3069 	struct pf_vf_bulletin_content *bulletin;
3070 
3071 	DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n");
3072 	for_each_vf(bp, vfidx) {
3073 	bulletin = BP_VF_BULLETIN(bp, vfidx);
3074 		if (BP_VF(bp, vfidx)->cfg_flags & VF_CFG_VLAN)
3075 			bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0);
3076 	}
3077 }
3078 
3079 void bnx2x_disable_sriov(struct bnx2x *bp)
3080 {
3081 	pci_disable_sriov(bp->pdev);
3082 }
3083 
3084 static int bnx2x_vf_ndo_prep(struct bnx2x *bp, int vfidx,
3085 			     struct bnx2x_virtf **vf,
3086 			     struct pf_vf_bulletin_content **bulletin)
3087 {
3088 	if (bp->state != BNX2X_STATE_OPEN) {
3089 		BNX2X_ERR("vf ndo called though PF is down\n");
3090 		return -EINVAL;
3091 	}
3092 
3093 	if (!IS_SRIOV(bp)) {
3094 		BNX2X_ERR("vf ndo called though sriov is disabled\n");
3095 		return -EINVAL;
3096 	}
3097 
3098 	if (vfidx >= BNX2X_NR_VIRTFN(bp)) {
3099 		BNX2X_ERR("vf ndo called for uninitialized VF. vfidx was %d BNX2X_NR_VIRTFN was %d\n",
3100 			  vfidx, BNX2X_NR_VIRTFN(bp));
3101 		return -EINVAL;
3102 	}
3103 
3104 	/* init members */
3105 	*vf = BP_VF(bp, vfidx);
3106 	*bulletin = BP_VF_BULLETIN(bp, vfidx);
3107 
3108 	if (!*vf) {
3109 		BNX2X_ERR("vf ndo called but vf was null. vfidx was %d\n",
3110 			  vfidx);
3111 		return -EINVAL;
3112 	}
3113 
3114 	if (!*bulletin) {
3115 		BNX2X_ERR("vf ndo called but Bulletin Board struct is null. vfidx was %d\n",
3116 			  vfidx);
3117 		return -EINVAL;
3118 	}
3119 
3120 	return 0;
3121 }
3122 
3123 int bnx2x_get_vf_config(struct net_device *dev, int vfidx,
3124 			struct ifla_vf_info *ivi)
3125 {
3126 	struct bnx2x *bp = netdev_priv(dev);
3127 	struct bnx2x_virtf *vf = NULL;
3128 	struct pf_vf_bulletin_content *bulletin = NULL;
3129 	struct bnx2x_vlan_mac_obj *mac_obj;
3130 	struct bnx2x_vlan_mac_obj *vlan_obj;
3131 	int rc;
3132 
3133 	/* sanity and init */
3134 	rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3135 	if (rc)
3136 		return rc;
3137 	mac_obj = &bnx2x_vfq(vf, 0, mac_obj);
3138 	vlan_obj = &bnx2x_vfq(vf, 0, vlan_obj);
3139 	if (!mac_obj || !vlan_obj) {
3140 		BNX2X_ERR("VF partially initialized\n");
3141 		return -EINVAL;
3142 	}
3143 
3144 	ivi->vf = vfidx;
3145 	ivi->qos = 0;
3146 	ivi->tx_rate = 10000; /* always 10G. TBA take from link struct */
3147 	ivi->spoofchk = 1; /*always enabled */
3148 	if (vf->state == VF_ENABLED) {
3149 		/* mac and vlan are in vlan_mac objects */
3150 		mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac,
3151 					0, ETH_ALEN);
3152 		vlan_obj->get_n_elements(bp, vlan_obj, 1, (u8 *)&ivi->vlan,
3153 					 0, VLAN_HLEN);
3154 	} else {
3155 		/* mac */
3156 		if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID))
3157 			/* mac configured by ndo so its in bulletin board */
3158 			memcpy(&ivi->mac, bulletin->mac, ETH_ALEN);
3159 		else
3160 			/* function has not been loaded yet. Show mac as 0s */
3161 			memset(&ivi->mac, 0, ETH_ALEN);
3162 
3163 		/* vlan */
3164 		if (bulletin->valid_bitmap & (1 << VLAN_VALID))
3165 			/* vlan configured by ndo so its in bulletin board */
3166 			memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN);
3167 		else
3168 			/* function has not been loaded yet. Show vlans as 0s */
3169 			memset(&ivi->vlan, 0, VLAN_HLEN);
3170 	}
3171 
3172 	return 0;
3173 }
3174 
3175 /* New mac for VF. Consider these cases:
3176  * 1. VF hasn't been acquired yet - save the mac in local bulletin board and
3177  *    supply at acquire.
3178  * 2. VF has already been acquired but has not yet initialized - store in local
3179  *    bulletin board. mac will be posted on VF bulletin board after VF init. VF
3180  *    will configure this mac when it is ready.
3181  * 3. VF has already initialized but has not yet setup a queue - post the new
3182  *    mac on VF's bulletin board right now. VF will configure this mac when it
3183  *    is ready.
3184  * 4. VF has already set a queue - delete any macs already configured for this
3185  *    queue and manually config the new mac.
3186  * In any event, once this function has been called refuse any attempts by the
3187  * VF to configure any mac for itself except for this mac. In case of a race
3188  * where the VF fails to see the new post on its bulletin board before sending a
3189  * mac configuration request, the PF will simply fail the request and VF can try
3190  * again after consulting its bulletin board.
3191  */
3192 int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac)
3193 {
3194 	struct bnx2x *bp = netdev_priv(dev);
3195 	int rc, q_logical_state;
3196 	struct bnx2x_virtf *vf = NULL;
3197 	struct pf_vf_bulletin_content *bulletin = NULL;
3198 
3199 	/* sanity and init */
3200 	rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3201 	if (rc)
3202 		return rc;
3203 	if (!is_valid_ether_addr(mac)) {
3204 		BNX2X_ERR("mac address invalid\n");
3205 		return -EINVAL;
3206 	}
3207 
3208 	/* update PF's copy of the VF's bulletin. Will no longer accept mac
3209 	 * configuration requests from vf unless match this mac
3210 	 */
3211 	bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID;
3212 	memcpy(bulletin->mac, mac, ETH_ALEN);
3213 
3214 	/* Post update on VF's bulletin board */
3215 	rc = bnx2x_post_vf_bulletin(bp, vfidx);
3216 	if (rc) {
3217 		BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx);
3218 		return rc;
3219 	}
3220 
3221 	/* is vf initialized and queue set up? */
3222 	q_logical_state =
3223 		bnx2x_get_q_logical_state(bp, &bnx2x_vfq(vf, 0, sp_obj));
3224 	if (vf->state == VF_ENABLED &&
3225 	    q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3226 		/* configure the mac in device on this vf's queue */
3227 		unsigned long ramrod_flags = 0;
3228 		struct bnx2x_vlan_mac_obj *mac_obj = &bnx2x_vfq(vf, 0, mac_obj);
3229 
3230 		/* must lock vfpf channel to protect against vf flows */
3231 		bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3232 
3233 		/* remove existing eth macs */
3234 		rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true);
3235 		if (rc) {
3236 			BNX2X_ERR("failed to delete eth macs\n");
3237 			return -EINVAL;
3238 		}
3239 
3240 		/* remove existing uc list macs */
3241 		rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true);
3242 		if (rc) {
3243 			BNX2X_ERR("failed to delete uc_list macs\n");
3244 			return -EINVAL;
3245 		}
3246 
3247 		/* configure the new mac to device */
3248 		__set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3249 		bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true,
3250 				  BNX2X_ETH_MAC, &ramrod_flags);
3251 
3252 		bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
3253 	}
3254 
3255 	return 0;
3256 }
3257 
3258 int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)
3259 {
3260 	struct bnx2x *bp = netdev_priv(dev);
3261 	int rc, q_logical_state;
3262 	struct bnx2x_virtf *vf = NULL;
3263 	struct pf_vf_bulletin_content *bulletin = NULL;
3264 
3265 	/* sanity and init */
3266 	rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
3267 	if (rc)
3268 		return rc;
3269 
3270 	if (vlan > 4095) {
3271 		BNX2X_ERR("illegal vlan value %d\n", vlan);
3272 		return -EINVAL;
3273 	}
3274 
3275 	DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n",
3276 	   vfidx, vlan, 0);
3277 
3278 	/* update PF's copy of the VF's bulletin. No point in posting the vlan
3279 	 * to the VF since it doesn't have anything to do with it. But it useful
3280 	 * to store it here in case the VF is not up yet and we can only
3281 	 * configure the vlan later when it does.
3282 	 */
3283 	bulletin->valid_bitmap |= 1 << VLAN_VALID;
3284 	bulletin->vlan = vlan;
3285 
3286 	/* is vf initialized and queue set up? */
3287 	q_logical_state =
3288 		bnx2x_get_q_logical_state(bp, &bnx2x_vfq(vf, 0, sp_obj));
3289 	if (vf->state == VF_ENABLED &&
3290 	    q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) {
3291 		/* configure the vlan in device on this vf's queue */
3292 		unsigned long ramrod_flags = 0;
3293 		unsigned long vlan_mac_flags = 0;
3294 		struct bnx2x_vlan_mac_obj *vlan_obj =
3295 			&bnx2x_vfq(vf, 0, vlan_obj);
3296 		struct bnx2x_vlan_mac_ramrod_params ramrod_param;
3297 		struct bnx2x_queue_state_params q_params = {NULL};
3298 		struct bnx2x_queue_update_params *update_params;
3299 
3300 		memset(&ramrod_param, 0, sizeof(ramrod_param));
3301 
3302 		/* must lock vfpf channel to protect against vf flows */
3303 		bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3304 
3305 		/* remove existing vlans */
3306 		__set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3307 		rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags,
3308 					  &ramrod_flags);
3309 		if (rc) {
3310 			BNX2X_ERR("failed to delete vlans\n");
3311 			return -EINVAL;
3312 		}
3313 
3314 		/* send queue update ramrod to configure default vlan and silent
3315 		 * vlan removal
3316 		 */
3317 		__set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
3318 		q_params.cmd = BNX2X_Q_CMD_UPDATE;
3319 		q_params.q_obj = &bnx2x_vfq(vf, 0, sp_obj);
3320 		update_params = &q_params.params.update;
3321 		__set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG,
3322 			  &update_params->update_flags);
3323 		__set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG,
3324 			  &update_params->update_flags);
3325 
3326 		if (vlan == 0) {
3327 			/* if vlan is 0 then we want to leave the VF traffic
3328 			 * untagged, and leave the incoming traffic untouched
3329 			 * (i.e. do not remove any vlan tags).
3330 			 */
3331 			__clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3332 				    &update_params->update_flags);
3333 			__clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3334 				    &update_params->update_flags);
3335 		} else {
3336 			/* configure the new vlan to device */
3337 			__set_bit(RAMROD_COMP_WAIT, &ramrod_flags);
3338 			ramrod_param.vlan_mac_obj = vlan_obj;
3339 			ramrod_param.ramrod_flags = ramrod_flags;
3340 			ramrod_param.user_req.u.vlan.vlan = vlan;
3341 			ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD;
3342 			rc = bnx2x_config_vlan_mac(bp, &ramrod_param);
3343 			if (rc) {
3344 				BNX2X_ERR("failed to configure vlan\n");
3345 				return -EINVAL;
3346 			}
3347 
3348 			/* configure default vlan to vf queue and set silent
3349 			 * vlan removal (the vf remains unaware of this vlan).
3350 			 */
3351 			update_params = &q_params.params.update;
3352 			__set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN,
3353 				  &update_params->update_flags);
3354 			__set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM,
3355 				  &update_params->update_flags);
3356 			update_params->def_vlan = vlan;
3357 		}
3358 
3359 		/* Update the Queue state */
3360 		rc = bnx2x_queue_state_change(bp, &q_params);
3361 		if (rc) {
3362 			BNX2X_ERR("Failed to configure default VLAN\n");
3363 			return rc;
3364 		}
3365 
3366 		/* clear the flag indicating that this VF needs its vlan
3367 		 * (will only be set if the HV configured th Vlan before vf was
3368 		 * and we were called because the VF came up later
3369 		 */
3370 		vf->cfg_flags &= ~VF_CFG_VLAN;
3371 
3372 		bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN);
3373 	}
3374 	return 0;
3375 }
3376 
3377 /* crc is the first field in the bulletin board. Compute the crc over the
3378  * entire bulletin board excluding the crc field itself. Use the length field
3379  * as the Bulletin Board was posted by a PF with possibly a different version
3380  * from the vf which will sample it. Therefore, the length is computed by the
3381  * PF and the used blindly by the VF.
3382  */
3383 u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp,
3384 			  struct pf_vf_bulletin_content *bulletin)
3385 {
3386 	return crc32(BULLETIN_CRC_SEED,
3387 		 ((u8 *)bulletin) + sizeof(bulletin->crc),
3388 		 bulletin->length - sizeof(bulletin->crc));
3389 }
3390 
3391 /* Check for new posts on the bulletin board */
3392 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
3393 {
3394 	struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
3395 	int attempts;
3396 
3397 	/* bulletin board hasn't changed since last sample */
3398 	if (bp->old_bulletin.version == bulletin.version)
3399 		return PFVF_BULLETIN_UNCHANGED;
3400 
3401 	/* validate crc of new bulletin board */
3402 	if (bp->old_bulletin.version != bp->pf2vf_bulletin->content.version) {
3403 		/* sampling structure in mid post may result with corrupted data
3404 		 * validate crc to ensure coherency.
3405 		 */
3406 		for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) {
3407 			bulletin = bp->pf2vf_bulletin->content;
3408 			if (bulletin.crc == bnx2x_crc_vf_bulletin(bp,
3409 								  &bulletin))
3410 				break;
3411 			BNX2X_ERR("bad crc on bulletin board. Contained %x computed %x\n",
3412 				  bulletin.crc,
3413 				  bnx2x_crc_vf_bulletin(bp, &bulletin));
3414 		}
3415 		if (attempts >= BULLETIN_ATTEMPTS) {
3416 			BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n",
3417 				  attempts);
3418 			return PFVF_BULLETIN_CRC_ERR;
3419 		}
3420 	}
3421 
3422 	/* the mac address in bulletin board is valid and is new */
3423 	if (bulletin.valid_bitmap & 1 << MAC_ADDR_VALID &&
3424 	    memcmp(bulletin.mac, bp->old_bulletin.mac, ETH_ALEN)) {
3425 		/* update new mac to net device */
3426 		memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
3427 	}
3428 
3429 	/* the vlan in bulletin board is valid and is new */
3430 	if (bulletin.valid_bitmap & 1 << VLAN_VALID)
3431 		memcpy(&bulletin.vlan, &bp->old_bulletin.vlan, VLAN_HLEN);
3432 
3433 	/* copy new bulletin board to bp */
3434 	bp->old_bulletin = bulletin;
3435 
3436 	return PFVF_BULLETIN_UPDATED;
3437 }
3438 
3439 void bnx2x_timer_sriov(struct bnx2x *bp)
3440 {
3441 	bnx2x_sample_bulletin(bp);
3442 
3443 	/* if channel is down we need to self destruct */
3444 	if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
3445 		smp_mb__before_clear_bit();
3446 		set_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
3447 			&bp->sp_rtnl_state);
3448 		smp_mb__after_clear_bit();
3449 		schedule_delayed_work(&bp->sp_rtnl_task, 0);
3450 	}
3451 }
3452 
3453 void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)
3454 {
3455 	/* vf doorbells are embedded within the regview */
3456 	return bp->regview + PXP_VF_ADDR_DB_START;
3457 }
3458 
3459 int bnx2x_vf_pci_alloc(struct bnx2x *bp)
3460 {
3461 	mutex_init(&bp->vf2pf_mutex);
3462 
3463 	/* allocate vf2pf mailbox for vf to pf channel */
3464 	BNX2X_PCI_ALLOC(bp->vf2pf_mbox, &bp->vf2pf_mbox_mapping,
3465 			sizeof(struct bnx2x_vf_mbx_msg));
3466 
3467 	/* allocate pf 2 vf bulletin board */
3468 	BNX2X_PCI_ALLOC(bp->pf2vf_bulletin, &bp->pf2vf_bulletin_mapping,
3469 			sizeof(union pf_vf_bulletin));
3470 
3471 	return 0;
3472 
3473 alloc_mem_err:
3474 	BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
3475 		       sizeof(struct bnx2x_vf_mbx_msg));
3476 	BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->pf2vf_bulletin_mapping,
3477 		       sizeof(union pf_vf_bulletin));
3478 	return -ENOMEM;
3479 }
3480 
3481 int bnx2x_open_epilog(struct bnx2x *bp)
3482 {
3483 	/* Enable sriov via delayed work. This must be done via delayed work
3484 	 * because it causes the probe of the vf devices to be run, which invoke
3485 	 * register_netdevice which must have rtnl lock taken. As we are holding
3486 	 * the lock right now, that could only work if the probe would not take
3487 	 * the lock. However, as the probe of the vf may be called from other
3488 	 * contexts as well (such as passthrough to vm fails) it can't assume
3489 	 * the lock is being held for it. Using delayed work here allows the
3490 	 * probe code to simply take the lock (i.e. wait for it to be released
3491 	 * if it is being held). We only want to do this if the number of VFs
3492 	 * was set before PF driver was loaded.
3493 	 */
3494 	if (IS_SRIOV(bp) && BNX2X_NR_VIRTFN(bp)) {
3495 		smp_mb__before_clear_bit();
3496 		set_bit(BNX2X_SP_RTNL_ENABLE_SRIOV, &bp->sp_rtnl_state);
3497 		smp_mb__after_clear_bit();
3498 		schedule_delayed_work(&bp->sp_rtnl_task, 0);
3499 	}
3500 
3501 	return 0;
3502 }
3503 
3504 void bnx2x_iov_channel_down(struct bnx2x *bp)
3505 {
3506 	int vf_idx;
3507 	struct pf_vf_bulletin_content *bulletin;
3508 
3509 	if (!IS_SRIOV(bp))
3510 		return;
3511 
3512 	for_each_vf(bp, vf_idx) {
3513 		/* locate this VFs bulletin board and update the channel down
3514 		 * bit
3515 		 */
3516 		bulletin = BP_VF_BULLETIN(bp, vf_idx);
3517 		bulletin->valid_bitmap |= 1 << CHANNEL_DOWN;
3518 
3519 		/* update vf bulletin board */
3520 		bnx2x_post_vf_bulletin(bp, vf_idx);
3521 	}
3522 }
3523