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290ca2bb AE |
1 | /* bnx2x_sriov.c: Broadcom Everest network driver. |
2 | * | |
247fa82b | 3 | * Copyright 2009-2013 Broadcom Corporation |
290ca2bb AE |
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" | |
b56e9670 | 22 | #include "bnx2x_cmn.h" |
3ec9f9ca | 23 | #include "bnx2x_sp.h" |
6411280a | 24 | #include <linux/crc32.h> |
3ec9f9ca | 25 | #include <linux/if_vlan.h> |
b56e9670 AE |
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 | ||
290ca2bb AE |
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 | ||
b93288d5 AE |
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 | } | |
8db573ba AE |
105 | /* VFOP - VF slow-path operation support */ |
106 | ||
954ea748 AE |
107 | #define BNX2X_VFOP_FILTER_ADD_CNT_MAX 0x10000 |
108 | ||
8db573ba AE |
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 | ||
463a68a7 AE |
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 | ||
8db573ba AE |
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 | ||
954ea748 AE |
138 | enum bnx2x_vfop_mcast_state { |
139 | BNX2X_VFOP_MCAST_DEL, | |
140 | BNX2X_VFOP_MCAST_ADD, | |
141 | BNX2X_VFOP_MCAST_CHK_DONE | |
142 | }; | |
d16132ce AE |
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 | }; | |
954ea748 | 154 | |
99e9d211 AE |
155 | enum bnx2x_vfop_close_state { |
156 | BNX2X_VFOP_CLOSE_QUEUES, | |
157 | BNX2X_VFOP_CLOSE_HW | |
158 | }; | |
159 | ||
954ea748 AE |
160 | enum bnx2x_vfop_rxmode_state { |
161 | BNX2X_VFOP_RXMODE_CONFIG, | |
162 | BNX2X_VFOP_RXMODE_DONE | |
163 | }; | |
164 | ||
463a68a7 AE |
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 | ||
b9871bcf AE |
173 | enum bnx2x_vfop_rss_state { |
174 | BNX2X_VFOP_RSS_CONFIG, | |
175 | BNX2X_VFOP_RSS_DONE | |
176 | }; | |
177 | ||
8db573ba AE |
178 | #define bnx2x_vfop_reset_wq(vf) atomic_set(&vf->op_in_progress, 0) |
179 | ||
180 | void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf, | |
181 | struct bnx2x_queue_init_params *init_params, | |
182 | struct bnx2x_queue_setup_params *setup_params, | |
183 | u16 q_idx, u16 sb_idx) | |
290ca2bb | 184 | { |
8db573ba AE |
185 | DP(BNX2X_MSG_IOV, |
186 | "VF[%d] Q_SETUP: txq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, flags=0x%lx, traffic-type=%d", | |
187 | vf->abs_vfid, | |
188 | q_idx, | |
189 | sb_idx, | |
190 | init_params->tx.sb_cq_index, | |
191 | init_params->tx.hc_rate, | |
192 | setup_params->flags, | |
193 | setup_params->txq_params.traffic_type); | |
290ca2bb AE |
194 | } |
195 | ||
8db573ba AE |
196 | void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf, |
197 | struct bnx2x_queue_init_params *init_params, | |
198 | struct bnx2x_queue_setup_params *setup_params, | |
199 | u16 q_idx, u16 sb_idx) | |
290ca2bb | 200 | { |
8db573ba AE |
201 | struct bnx2x_rxq_setup_params *rxq_params = &setup_params->rxq_params; |
202 | ||
203 | DP(BNX2X_MSG_IOV, "VF[%d] Q_SETUP: rxq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, mtu=%d, buf-size=%d\n" | |
204 | "sge-size=%d, max_sge_pkt=%d, tpa-agg-size=%d, flags=0x%lx, drop-flags=0x%x, cache-log=%d\n", | |
205 | vf->abs_vfid, | |
206 | q_idx, | |
207 | sb_idx, | |
208 | init_params->rx.sb_cq_index, | |
209 | init_params->rx.hc_rate, | |
210 | setup_params->gen_params.mtu, | |
211 | rxq_params->buf_sz, | |
212 | rxq_params->sge_buf_sz, | |
213 | rxq_params->max_sges_pkt, | |
214 | rxq_params->tpa_agg_sz, | |
215 | setup_params->flags, | |
216 | rxq_params->drop_flags, | |
217 | rxq_params->cache_line_log); | |
290ca2bb AE |
218 | } |
219 | ||
8db573ba AE |
220 | void bnx2x_vfop_qctor_prep(struct bnx2x *bp, |
221 | struct bnx2x_virtf *vf, | |
222 | struct bnx2x_vf_queue *q, | |
223 | struct bnx2x_vfop_qctor_params *p, | |
224 | unsigned long q_type) | |
290ca2bb | 225 | { |
8db573ba AE |
226 | struct bnx2x_queue_init_params *init_p = &p->qstate.params.init; |
227 | struct bnx2x_queue_setup_params *setup_p = &p->prep_qsetup; | |
290ca2bb | 228 | |
8db573ba | 229 | /* INIT */ |
290ca2bb | 230 | |
8db573ba AE |
231 | /* Enable host coalescing in the transition to INIT state */ |
232 | if (test_bit(BNX2X_Q_FLG_HC, &init_p->rx.flags)) | |
233 | __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->rx.flags); | |
234 | ||
235 | if (test_bit(BNX2X_Q_FLG_HC, &init_p->tx.flags)) | |
236 | __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->tx.flags); | |
237 | ||
238 | /* FW SB ID */ | |
239 | init_p->rx.fw_sb_id = vf_igu_sb(vf, q->sb_idx); | |
240 | init_p->tx.fw_sb_id = vf_igu_sb(vf, q->sb_idx); | |
241 | ||
242 | /* context */ | |
243 | init_p->cxts[0] = q->cxt; | |
244 | ||
245 | /* SETUP */ | |
246 | ||
247 | /* Setup-op general parameters */ | |
248 | setup_p->gen_params.spcl_id = vf->sp_cl_id; | |
249 | setup_p->gen_params.stat_id = vfq_stat_id(vf, q); | |
250 | ||
251 | /* Setup-op pause params: | |
252 | * Nothing to do, the pause thresholds are set by default to 0 which | |
253 | * effectively turns off the feature for this queue. We don't want | |
254 | * one queue (VF) to interfering with another queue (another VF) | |
255 | */ | |
256 | if (vf->cfg_flags & VF_CFG_FW_FC) | |
257 | BNX2X_ERR("No support for pause to VFs (abs_vfid: %d)\n", | |
258 | vf->abs_vfid); | |
259 | /* Setup-op flags: | |
260 | * collect statistics, zero statistics, local-switching, security, | |
261 | * OV for Flex10, RSS and MCAST for leading | |
262 | */ | |
263 | if (test_bit(BNX2X_Q_FLG_STATS, &setup_p->flags)) | |
264 | __set_bit(BNX2X_Q_FLG_ZERO_STATS, &setup_p->flags); | |
265 | ||
266 | /* for VFs, enable tx switching, bd coherency, and mac address | |
267 | * anti-spoofing | |
268 | */ | |
269 | __set_bit(BNX2X_Q_FLG_TX_SWITCH, &setup_p->flags); | |
270 | __set_bit(BNX2X_Q_FLG_TX_SEC, &setup_p->flags); | |
271 | __set_bit(BNX2X_Q_FLG_ANTI_SPOOF, &setup_p->flags); | |
272 | ||
8db573ba AE |
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); | |
290ca2bb AE |
289 | } |
290 | } | |
291 | ||
8db573ba AE |
292 | /* VFOP queue construction */ |
293 | static void bnx2x_vfop_qctor(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
290ca2bb | 294 | { |
8db573ba AE |
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); | |
290ca2bb | 347 | } |
8db573ba AE |
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; | |
290ca2bb AE |
355 | } |
356 | ||
8db573ba AE |
357 | static int bnx2x_vfop_qctor_cmd(struct bnx2x *bp, |
358 | struct bnx2x_virtf *vf, | |
359 | struct bnx2x_vfop_cmd *cmd, | |
360 | int qid) | |
290ca2bb | 361 | { |
8db573ba | 362 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
290ca2bb | 363 | |
8db573ba AE |
364 | if (vfop) { |
365 | vf->op_params.qctor.qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj); | |
290ca2bb | 366 | |
8db573ba AE |
367 | vfop->args.qctor.qid = qid; |
368 | vfop->args.qctor.sb_idx = bnx2x_vfq(vf, qid, sb_idx); | |
290ca2bb | 369 | |
8db573ba AE |
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; | |
290ca2bb AE |
376 | } |
377 | ||
463a68a7 AE |
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"); | |
b9871bcf AE |
401 | |
402 | /* next state */ | |
403 | vfop->state = BNX2X_VFOP_QDTOR_DONE; | |
404 | ||
405 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); | |
463a68a7 AE |
406 | } |
407 | ||
408 | /* next state */ | |
409 | vfop->state = BNX2X_VFOP_QDTOR_TERMINATE; | |
410 | ||
411 | q_params->cmd = BNX2X_Q_CMD_HALT; | |
412 | vfop->rc = bnx2x_queue_state_change(bp, q_params); | |
413 | ||
414 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); | |
415 | ||
416 | case BNX2X_VFOP_QDTOR_TERMINATE: | |
417 | /* next state */ | |
418 | vfop->state = BNX2X_VFOP_QDTOR_CFCDEL; | |
419 | ||
420 | q_params->cmd = BNX2X_Q_CMD_TERMINATE; | |
421 | vfop->rc = bnx2x_queue_state_change(bp, q_params); | |
422 | ||
423 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); | |
424 | ||
425 | case BNX2X_VFOP_QDTOR_CFCDEL: | |
426 | /* next state */ | |
427 | vfop->state = BNX2X_VFOP_QDTOR_DONE; | |
428 | ||
429 | q_params->cmd = BNX2X_Q_CMD_CFC_DEL; | |
430 | vfop->rc = bnx2x_queue_state_change(bp, q_params); | |
431 | ||
432 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); | |
433 | op_err: | |
434 | BNX2X_ERR("QDTOR[%d:%d] error: cmd %d, rc %d\n", | |
435 | vf->abs_vfid, qdtor->qid, q_params->cmd, vfop->rc); | |
436 | op_done: | |
437 | case BNX2X_VFOP_QDTOR_DONE: | |
438 | /* invalidate the context */ | |
b9871bcf AE |
439 | if (qdtor->cxt) { |
440 | qdtor->cxt->ustorm_ag_context.cdu_usage = 0; | |
441 | qdtor->cxt->xstorm_ag_context.cdu_reserved = 0; | |
442 | } | |
463a68a7 AE |
443 | bnx2x_vfop_end(bp, vf, vfop); |
444 | return; | |
445 | default: | |
446 | bnx2x_vfop_default(state); | |
447 | } | |
448 | op_pending: | |
449 | return; | |
450 | } | |
451 | ||
452 | static int bnx2x_vfop_qdtor_cmd(struct bnx2x *bp, | |
453 | struct bnx2x_virtf *vf, | |
454 | struct bnx2x_vfop_cmd *cmd, | |
455 | int qid) | |
456 | { | |
457 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); | |
458 | ||
459 | if (vfop) { | |
460 | struct bnx2x_queue_state_params *qstate = | |
461 | &vf->op_params.qctor.qstate; | |
462 | ||
463 | memset(qstate, 0, sizeof(*qstate)); | |
464 | qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj); | |
465 | ||
466 | vfop->args.qdtor.qid = qid; | |
467 | vfop->args.qdtor.cxt = bnx2x_vfq(vf, qid, cxt); | |
468 | ||
469 | bnx2x_vfop_opset(BNX2X_VFOP_QDTOR_HALT, | |
470 | bnx2x_vfop_qdtor, cmd->done); | |
471 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdtor, | |
472 | cmd->block); | |
6b991c37 YM |
473 | } else { |
474 | BNX2X_ERR("VF[%d] failed to add a vfop\n", vf->abs_vfid); | |
475 | return -ENOMEM; | |
463a68a7 | 476 | } |
463a68a7 AE |
477 | } |
478 | ||
8db573ba AE |
479 | static void |
480 | bnx2x_vf_set_igu_info(struct bnx2x *bp, u8 igu_sb_id, u8 abs_vfid) | |
290ca2bb | 481 | { |
8db573ba AE |
482 | struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); |
483 | if (vf) { | |
b9871bcf AE |
484 | /* the first igu entry belonging to VFs of this PF */ |
485 | if (!BP_VFDB(bp)->first_vf_igu_entry) | |
486 | BP_VFDB(bp)->first_vf_igu_entry = igu_sb_id; | |
487 | ||
488 | /* the first igu entry belonging to this VF */ | |
8db573ba AE |
489 | if (!vf_sb_count(vf)) |
490 | vf->igu_base_id = igu_sb_id; | |
b9871bcf | 491 | |
8db573ba | 492 | ++vf_sb_count(vf); |
b9871bcf | 493 | ++vf->sb_count; |
8db573ba | 494 | } |
b9871bcf | 495 | BP_VFDB(bp)->vf_sbs_pool++; |
8db573ba | 496 | } |
290ca2bb | 497 | |
8db573ba AE |
498 | /* VFOP MAC/VLAN helpers */ |
499 | static inline void bnx2x_vfop_credit(struct bnx2x *bp, | |
500 | struct bnx2x_vfop *vfop, | |
501 | struct bnx2x_vlan_mac_obj *obj) | |
502 | { | |
503 | struct bnx2x_vfop_args_filters *args = &vfop->args.filters; | |
290ca2bb | 504 | |
8db573ba AE |
505 | /* update credit only if there is no error |
506 | * and a valid credit counter | |
507 | */ | |
508 | if (!vfop->rc && args->credit) { | |
8db573ba | 509 | struct list_head *pos; |
8b09be5f YM |
510 | int read_lock; |
511 | int cnt = 0; | |
512 | ||
513 | read_lock = bnx2x_vlan_mac_h_read_lock(bp, obj); | |
514 | if (read_lock) | |
515 | DP(BNX2X_MSG_SP, "Failed to take vlan mac read head; continuing anyway\n"); | |
290ca2bb | 516 | |
8db573ba AE |
517 | list_for_each(pos, &obj->head) |
518 | cnt++; | |
290ca2bb | 519 | |
8b09be5f YM |
520 | if (!read_lock) |
521 | bnx2x_vlan_mac_h_read_unlock(bp, obj); | |
522 | ||
8db573ba AE |
523 | atomic_set(args->credit, cnt); |
524 | } | |
525 | } | |
290ca2bb | 526 | |
8db573ba AE |
527 | static int bnx2x_vfop_set_user_req(struct bnx2x *bp, |
528 | struct bnx2x_vfop_filter *pos, | |
529 | struct bnx2x_vlan_mac_data *user_req) | |
530 | { | |
531 | user_req->cmd = pos->add ? BNX2X_VLAN_MAC_ADD : | |
532 | BNX2X_VLAN_MAC_DEL; | |
533 | ||
534 | switch (pos->type) { | |
535 | case BNX2X_VFOP_FILTER_MAC: | |
536 | memcpy(user_req->u.mac.mac, pos->mac, ETH_ALEN); | |
537 | break; | |
538 | case BNX2X_VFOP_FILTER_VLAN: | |
539 | user_req->u.vlan.vlan = pos->vid; | |
540 | break; | |
541 | default: | |
542 | BNX2X_ERR("Invalid filter type, skipping\n"); | |
543 | return 1; | |
544 | } | |
290ca2bb AE |
545 | return 0; |
546 | } | |
547 | ||
8db573ba AE |
548 | static int bnx2x_vfop_config_list(struct bnx2x *bp, |
549 | struct bnx2x_vfop_filters *filters, | |
550 | struct bnx2x_vlan_mac_ramrod_params *vlan_mac) | |
290ca2bb | 551 | { |
8db573ba AE |
552 | struct bnx2x_vfop_filter *pos, *tmp; |
553 | struct list_head rollback_list, *filters_list = &filters->head; | |
554 | struct bnx2x_vlan_mac_data *user_req = &vlan_mac->user_req; | |
555 | int rc = 0, cnt = 0; | |
290ca2bb | 556 | |
8db573ba | 557 | INIT_LIST_HEAD(&rollback_list); |
290ca2bb | 558 | |
8db573ba AE |
559 | list_for_each_entry_safe(pos, tmp, filters_list, link) { |
560 | if (bnx2x_vfop_set_user_req(bp, pos, user_req)) | |
561 | continue; | |
290ca2bb | 562 | |
8db573ba AE |
563 | rc = bnx2x_config_vlan_mac(bp, vlan_mac); |
564 | if (rc >= 0) { | |
565 | cnt += pos->add ? 1 : -1; | |
3a918f40 | 566 | list_move(&pos->link, &rollback_list); |
8db573ba AE |
567 | rc = 0; |
568 | } else if (rc == -EEXIST) { | |
569 | rc = 0; | |
570 | } else { | |
571 | BNX2X_ERR("Failed to add a new vlan_mac command\n"); | |
572 | break; | |
573 | } | |
290ca2bb AE |
574 | } |
575 | ||
8db573ba AE |
576 | /* rollback if error or too many rules added */ |
577 | if (rc || cnt > filters->add_cnt) { | |
578 | BNX2X_ERR("error or too many rules added. Performing rollback\n"); | |
579 | list_for_each_entry_safe(pos, tmp, &rollback_list, link) { | |
580 | pos->add = !pos->add; /* reverse op */ | |
581 | bnx2x_vfop_set_user_req(bp, pos, user_req); | |
582 | bnx2x_config_vlan_mac(bp, vlan_mac); | |
583 | list_del(&pos->link); | |
584 | } | |
585 | cnt = 0; | |
586 | if (!rc) | |
587 | rc = -EINVAL; | |
290ca2bb | 588 | } |
8db573ba AE |
589 | filters->add_cnt = cnt; |
590 | return rc; | |
591 | } | |
290ca2bb | 592 | |
8db573ba AE |
593 | /* VFOP set VLAN/MAC */ |
594 | static void bnx2x_vfop_vlan_mac(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
595 | { | |
596 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); | |
597 | struct bnx2x_vlan_mac_ramrod_params *vlan_mac = &vfop->op_p->vlan_mac; | |
598 | struct bnx2x_vlan_mac_obj *obj = vlan_mac->vlan_mac_obj; | |
599 | struct bnx2x_vfop_filters *filters = vfop->args.filters.multi_filter; | |
600 | ||
601 | enum bnx2x_vfop_vlan_mac_state state = vfop->state; | |
602 | ||
603 | if (vfop->rc < 0) | |
604 | goto op_err; | |
605 | ||
606 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); | |
607 | ||
608 | bnx2x_vfop_reset_wq(vf); | |
609 | ||
610 | switch (state) { | |
611 | case BNX2X_VFOP_VLAN_MAC_CLEAR: | |
612 | /* next state */ | |
613 | vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE; | |
614 | ||
615 | /* do delete */ | |
616 | vfop->rc = obj->delete_all(bp, obj, | |
617 | &vlan_mac->user_req.vlan_mac_flags, | |
618 | &vlan_mac->ramrod_flags); | |
619 | ||
620 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); | |
621 | ||
622 | case BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE: | |
623 | /* next state */ | |
624 | vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE; | |
625 | ||
626 | /* do config */ | |
627 | vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac); | |
628 | if (vfop->rc == -EEXIST) | |
629 | vfop->rc = 0; | |
630 | ||
631 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); | |
632 | ||
633 | case BNX2X_VFOP_VLAN_MAC_CHK_DONE: | |
634 | vfop->rc = !!obj->raw.check_pending(&obj->raw); | |
635 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); | |
636 | ||
637 | case BNX2X_VFOP_MAC_CONFIG_LIST: | |
638 | /* next state */ | |
639 | vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE; | |
640 | ||
641 | /* do list config */ | |
642 | vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac); | |
643 | if (vfop->rc) | |
644 | goto op_err; | |
645 | ||
646 | set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags); | |
647 | vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac); | |
648 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); | |
649 | ||
650 | case BNX2X_VFOP_VLAN_CONFIG_LIST: | |
651 | /* next state */ | |
35a04aa3 | 652 | vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE; |
8db573ba | 653 | |
35a04aa3 | 654 | /* do list config */ |
8db573ba AE |
655 | vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac); |
656 | if (!vfop->rc) { | |
657 | set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags); | |
658 | vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac); | |
659 | } | |
8db573ba AE |
660 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
661 | ||
662 | default: | |
663 | bnx2x_vfop_default(state); | |
290ca2bb | 664 | } |
8db573ba AE |
665 | op_err: |
666 | BNX2X_ERR("VLAN-MAC error: rc %d\n", vfop->rc); | |
667 | op_done: | |
668 | kfree(filters); | |
669 | bnx2x_vfop_credit(bp, vfop, obj); | |
670 | bnx2x_vfop_end(bp, vf, vfop); | |
671 | op_pending: | |
672 | return; | |
673 | } | |
290ca2bb | 674 | |
8db573ba AE |
675 | struct bnx2x_vfop_vlan_mac_flags { |
676 | bool drv_only; | |
677 | bool dont_consume; | |
678 | bool single_cmd; | |
679 | bool add; | |
680 | }; | |
290ca2bb | 681 | |
8db573ba AE |
682 | static void |
683 | bnx2x_vfop_vlan_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod, | |
684 | struct bnx2x_vfop_vlan_mac_flags *flags) | |
685 | { | |
686 | struct bnx2x_vlan_mac_data *ureq = &ramrod->user_req; | |
290ca2bb | 687 | |
8db573ba | 688 | memset(ramrod, 0, sizeof(*ramrod)); |
290ca2bb | 689 | |
8db573ba AE |
690 | /* ramrod flags */ |
691 | if (flags->drv_only) | |
692 | set_bit(RAMROD_DRV_CLR_ONLY, &ramrod->ramrod_flags); | |
693 | if (flags->single_cmd) | |
694 | set_bit(RAMROD_EXEC, &ramrod->ramrod_flags); | |
290ca2bb | 695 | |
8db573ba AE |
696 | /* mac_vlan flags */ |
697 | if (flags->dont_consume) | |
698 | set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, &ureq->vlan_mac_flags); | |
290ca2bb | 699 | |
8db573ba AE |
700 | /* cmd */ |
701 | ureq->cmd = flags->add ? BNX2X_VLAN_MAC_ADD : BNX2X_VLAN_MAC_DEL; | |
702 | } | |
290ca2bb | 703 | |
954ea748 AE |
704 | static inline void |
705 | bnx2x_vfop_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod, | |
706 | struct bnx2x_vfop_vlan_mac_flags *flags) | |
707 | { | |
708 | bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, flags); | |
709 | set_bit(BNX2X_ETH_MAC, &ramrod->user_req.vlan_mac_flags); | |
710 | } | |
711 | ||
463a68a7 AE |
712 | static int bnx2x_vfop_mac_delall_cmd(struct bnx2x *bp, |
713 | struct bnx2x_virtf *vf, | |
714 | struct bnx2x_vfop_cmd *cmd, | |
715 | int qid, bool drv_only) | |
716 | { | |
717 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); | |
b9871bcf | 718 | int rc; |
463a68a7 AE |
719 | |
720 | if (vfop) { | |
721 | struct bnx2x_vfop_args_filters filters = { | |
722 | .multi_filter = NULL, /* single */ | |
723 | .credit = NULL, /* consume credit */ | |
724 | }; | |
725 | struct bnx2x_vfop_vlan_mac_flags flags = { | |
726 | .drv_only = drv_only, | |
727 | .dont_consume = (filters.credit != NULL), | |
728 | .single_cmd = true, | |
729 | .add = false /* don't care */, | |
730 | }; | |
731 | struct bnx2x_vlan_mac_ramrod_params *ramrod = | |
732 | &vf->op_params.vlan_mac; | |
733 | ||
734 | /* set ramrod params */ | |
735 | bnx2x_vfop_mac_prep_ramrod(ramrod, &flags); | |
736 | ||
737 | /* set object */ | |
b9871bcf AE |
738 | rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, mac_obj)); |
739 | if (rc) | |
740 | return rc; | |
463a68a7 AE |
741 | ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj); |
742 | ||
743 | /* set extra args */ | |
744 | vfop->args.filters = filters; | |
745 | ||
746 | bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR, | |
747 | bnx2x_vfop_vlan_mac, cmd->done); | |
748 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac, | |
749 | cmd->block); | |
750 | } | |
751 | return -ENOMEM; | |
752 | } | |
753 | ||
954ea748 AE |
754 | int bnx2x_vfop_mac_list_cmd(struct bnx2x *bp, |
755 | struct bnx2x_virtf *vf, | |
756 | struct bnx2x_vfop_cmd *cmd, | |
757 | struct bnx2x_vfop_filters *macs, | |
758 | int qid, bool drv_only) | |
759 | { | |
760 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); | |
b9871bcf | 761 | int rc; |
954ea748 AE |
762 | |
763 | if (vfop) { | |
764 | struct bnx2x_vfop_args_filters filters = { | |
765 | .multi_filter = macs, | |
766 | .credit = NULL, /* consume credit */ | |
767 | }; | |
768 | struct bnx2x_vfop_vlan_mac_flags flags = { | |
769 | .drv_only = drv_only, | |
770 | .dont_consume = (filters.credit != NULL), | |
771 | .single_cmd = false, | |
772 | .add = false, /* don't care since only the items in the | |
773 | * filters list affect the sp operation, | |
774 | * not the list itself | |
775 | */ | |
776 | }; | |
777 | struct bnx2x_vlan_mac_ramrod_params *ramrod = | |
778 | &vf->op_params.vlan_mac; | |
779 | ||
780 | /* set ramrod params */ | |
781 | bnx2x_vfop_mac_prep_ramrod(ramrod, &flags); | |
782 | ||
783 | /* set object */ | |
b9871bcf AE |
784 | rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, mac_obj)); |
785 | if (rc) | |
786 | return rc; | |
954ea748 AE |
787 | ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj); |
788 | ||
789 | /* set extra args */ | |
790 | filters.multi_filter->add_cnt = BNX2X_VFOP_FILTER_ADD_CNT_MAX; | |
791 | vfop->args.filters = filters; | |
792 | ||
793 | bnx2x_vfop_opset(BNX2X_VFOP_MAC_CONFIG_LIST, | |
794 | bnx2x_vfop_vlan_mac, cmd->done); | |
795 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac, | |
796 | cmd->block); | |
797 | } | |
798 | return -ENOMEM; | |
799 | } | |
800 | ||
8db573ba AE |
801 | int bnx2x_vfop_vlan_set_cmd(struct bnx2x *bp, |
802 | struct bnx2x_virtf *vf, | |
803 | struct bnx2x_vfop_cmd *cmd, | |
804 | int qid, u16 vid, bool add) | |
805 | { | |
806 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); | |
b9871bcf | 807 | int rc; |
8db573ba AE |
808 | |
809 | if (vfop) { | |
810 | struct bnx2x_vfop_args_filters filters = { | |
811 | .multi_filter = NULL, /* single command */ | |
812 | .credit = &bnx2x_vfq(vf, qid, vlan_count), | |
813 | }; | |
814 | struct bnx2x_vfop_vlan_mac_flags flags = { | |
815 | .drv_only = false, | |
816 | .dont_consume = (filters.credit != NULL), | |
817 | .single_cmd = true, | |
818 | .add = add, | |
819 | }; | |
820 | struct bnx2x_vlan_mac_ramrod_params *ramrod = | |
821 | &vf->op_params.vlan_mac; | |
822 | ||
823 | /* set ramrod params */ | |
824 | bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags); | |
825 | ramrod->user_req.u.vlan.vlan = vid; | |
826 | ||
827 | /* set object */ | |
b9871bcf AE |
828 | rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj)); |
829 | if (rc) | |
830 | return rc; | |
8db573ba AE |
831 | ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj); |
832 | ||
833 | /* set extra args */ | |
834 | vfop->args.filters = filters; | |
835 | ||
836 | bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE, | |
837 | bnx2x_vfop_vlan_mac, cmd->done); | |
838 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac, | |
839 | cmd->block); | |
290ca2bb | 840 | } |
8db573ba AE |
841 | return -ENOMEM; |
842 | } | |
290ca2bb | 843 | |
463a68a7 AE |
844 | static int bnx2x_vfop_vlan_delall_cmd(struct bnx2x *bp, |
845 | struct bnx2x_virtf *vf, | |
846 | struct bnx2x_vfop_cmd *cmd, | |
847 | int qid, bool drv_only) | |
848 | { | |
849 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); | |
b9871bcf | 850 | int rc; |
463a68a7 AE |
851 | |
852 | if (vfop) { | |
853 | struct bnx2x_vfop_args_filters filters = { | |
854 | .multi_filter = NULL, /* single command */ | |
855 | .credit = &bnx2x_vfq(vf, qid, vlan_count), | |
856 | }; | |
857 | struct bnx2x_vfop_vlan_mac_flags flags = { | |
858 | .drv_only = drv_only, | |
859 | .dont_consume = (filters.credit != NULL), | |
860 | .single_cmd = true, | |
861 | .add = false, /* don't care */ | |
862 | }; | |
863 | struct bnx2x_vlan_mac_ramrod_params *ramrod = | |
864 | &vf->op_params.vlan_mac; | |
865 | ||
866 | /* set ramrod params */ | |
867 | bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags); | |
868 | ||
869 | /* set object */ | |
b9871bcf AE |
870 | rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj)); |
871 | if (rc) | |
872 | return rc; | |
463a68a7 AE |
873 | ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj); |
874 | ||
875 | /* set extra args */ | |
876 | vfop->args.filters = filters; | |
877 | ||
878 | bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR, | |
879 | bnx2x_vfop_vlan_mac, cmd->done); | |
880 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac, | |
881 | cmd->block); | |
882 | } | |
883 | return -ENOMEM; | |
884 | } | |
885 | ||
954ea748 AE |
886 | int bnx2x_vfop_vlan_list_cmd(struct bnx2x *bp, |
887 | struct bnx2x_virtf *vf, | |
888 | struct bnx2x_vfop_cmd *cmd, | |
889 | struct bnx2x_vfop_filters *vlans, | |
890 | int qid, bool drv_only) | |
891 | { | |
892 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); | |
b9871bcf | 893 | int rc; |
954ea748 AE |
894 | |
895 | if (vfop) { | |
896 | struct bnx2x_vfop_args_filters filters = { | |
897 | .multi_filter = vlans, | |
898 | .credit = &bnx2x_vfq(vf, qid, vlan_count), | |
899 | }; | |
900 | struct bnx2x_vfop_vlan_mac_flags flags = { | |
901 | .drv_only = drv_only, | |
902 | .dont_consume = (filters.credit != NULL), | |
903 | .single_cmd = false, | |
904 | .add = false, /* don't care */ | |
905 | }; | |
906 | struct bnx2x_vlan_mac_ramrod_params *ramrod = | |
907 | &vf->op_params.vlan_mac; | |
908 | ||
909 | /* set ramrod params */ | |
910 | bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags); | |
911 | ||
912 | /* set object */ | |
b9871bcf AE |
913 | rc = validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj)); |
914 | if (rc) | |
915 | return rc; | |
954ea748 AE |
916 | ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj); |
917 | ||
918 | /* set extra args */ | |
919 | filters.multi_filter->add_cnt = vf_vlan_rules_cnt(vf) - | |
920 | atomic_read(filters.credit); | |
921 | ||
922 | vfop->args.filters = filters; | |
923 | ||
924 | bnx2x_vfop_opset(BNX2X_VFOP_VLAN_CONFIG_LIST, | |
925 | bnx2x_vfop_vlan_mac, cmd->done); | |
926 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac, | |
927 | cmd->block); | |
928 | } | |
929 | return -ENOMEM; | |
930 | } | |
931 | ||
8db573ba AE |
932 | /* VFOP queue setup (queue constructor + set vlan 0) */ |
933 | static void bnx2x_vfop_qsetup(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
934 | { | |
935 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); | |
936 | int qid = vfop->args.qctor.qid; | |
937 | enum bnx2x_vfop_qsetup_state state = vfop->state; | |
938 | struct bnx2x_vfop_cmd cmd = { | |
939 | .done = bnx2x_vfop_qsetup, | |
940 | .block = false, | |
941 | }; | |
942 | ||
943 | if (vfop->rc < 0) | |
944 | goto op_err; | |
945 | ||
946 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); | |
947 | ||
948 | switch (state) { | |
949 | case BNX2X_VFOP_QSETUP_CTOR: | |
950 | /* init the queue ctor command */ | |
951 | vfop->state = BNX2X_VFOP_QSETUP_VLAN0; | |
952 | vfop->rc = bnx2x_vfop_qctor_cmd(bp, vf, &cmd, qid); | |
953 | if (vfop->rc) | |
954 | goto op_err; | |
955 | return; | |
290ca2bb | 956 | |
8db573ba AE |
957 | case BNX2X_VFOP_QSETUP_VLAN0: |
958 | /* skip if non-leading or FPGA/EMU*/ | |
959 | if (qid) | |
960 | goto op_done; | |
290ca2bb | 961 | |
8db573ba AE |
962 | /* init the queue set-vlan command (for vlan 0) */ |
963 | vfop->state = BNX2X_VFOP_QSETUP_DONE; | |
964 | vfop->rc = bnx2x_vfop_vlan_set_cmd(bp, vf, &cmd, qid, 0, true); | |
965 | if (vfop->rc) | |
966 | goto op_err; | |
967 | return; | |
968 | op_err: | |
969 | BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf->abs_vfid, qid, vfop->rc); | |
970 | op_done: | |
971 | case BNX2X_VFOP_QSETUP_DONE: | |
3ec9f9ca AE |
972 | vf->cfg_flags |= VF_CFG_VLAN; |
973 | smp_mb__before_clear_bit(); | |
974 | set_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN, | |
975 | &bp->sp_rtnl_state); | |
976 | smp_mb__after_clear_bit(); | |
977 | schedule_delayed_work(&bp->sp_rtnl_task, 0); | |
8db573ba AE |
978 | bnx2x_vfop_end(bp, vf, vfop); |
979 | return; | |
980 | default: | |
981 | bnx2x_vfop_default(state); | |
290ca2bb | 982 | } |
8db573ba | 983 | } |
290ca2bb | 984 | |
8db573ba AE |
985 | int bnx2x_vfop_qsetup_cmd(struct bnx2x *bp, |
986 | struct bnx2x_virtf *vf, | |
987 | struct bnx2x_vfop_cmd *cmd, | |
988 | int qid) | |
989 | { | |
990 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); | |
991 | ||
992 | if (vfop) { | |
993 | vfop->args.qctor.qid = qid; | |
994 | ||
995 | bnx2x_vfop_opset(BNX2X_VFOP_QSETUP_CTOR, | |
996 | bnx2x_vfop_qsetup, cmd->done); | |
997 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qsetup, | |
998 | cmd->block); | |
999 | } | |
1000 | return -ENOMEM; | |
290ca2bb | 1001 | } |
8db573ba | 1002 | |
d16132ce AE |
1003 | /* VFOP queue FLR handling (clear vlans, clear macs, queue destructor) */ |
1004 | static void bnx2x_vfop_qflr(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
1005 | { | |
1006 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); | |
1007 | int qid = vfop->args.qx.qid; | |
1008 | enum bnx2x_vfop_qflr_state state = vfop->state; | |
1009 | struct bnx2x_queue_state_params *qstate; | |
1010 | struct bnx2x_vfop_cmd cmd; | |
1011 | ||
1012 | bnx2x_vfop_reset_wq(vf); | |
1013 | ||
1014 | if (vfop->rc < 0) | |
1015 | goto op_err; | |
1016 | ||
1017 | DP(BNX2X_MSG_IOV, "VF[%d] STATE: %d\n", vf->abs_vfid, state); | |
1018 | ||
1019 | cmd.done = bnx2x_vfop_qflr; | |
1020 | cmd.block = false; | |
1021 | ||
1022 | switch (state) { | |
1023 | case BNX2X_VFOP_QFLR_CLR_VLAN: | |
1024 | /* vlan-clear-all: driver-only, don't consume credit */ | |
1025 | vfop->state = BNX2X_VFOP_QFLR_CLR_MAC; | |
b9871bcf AE |
1026 | if (!validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, vlan_obj))) |
1027 | vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, | |
1028 | true); | |
d16132ce AE |
1029 | if (vfop->rc) |
1030 | goto op_err; | |
b9871bcf | 1031 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
d16132ce AE |
1032 | |
1033 | case BNX2X_VFOP_QFLR_CLR_MAC: | |
1034 | /* mac-clear-all: driver only consume credit */ | |
1035 | vfop->state = BNX2X_VFOP_QFLR_TERMINATE; | |
b9871bcf AE |
1036 | if (!validate_vlan_mac(bp, &bnx2x_vfq(vf, qid, mac_obj))) |
1037 | vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, | |
1038 | true); | |
d16132ce AE |
1039 | DP(BNX2X_MSG_IOV, |
1040 | "VF[%d] vfop->rc after bnx2x_vfop_mac_delall_cmd was %d", | |
1041 | vf->abs_vfid, vfop->rc); | |
1042 | if (vfop->rc) | |
1043 | goto op_err; | |
b9871bcf | 1044 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
d16132ce AE |
1045 | |
1046 | case BNX2X_VFOP_QFLR_TERMINATE: | |
1047 | qstate = &vfop->op_p->qctor.qstate; | |
1048 | memset(qstate , 0, sizeof(*qstate)); | |
1049 | qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj); | |
1050 | vfop->state = BNX2X_VFOP_QFLR_DONE; | |
1051 | ||
1052 | DP(BNX2X_MSG_IOV, "VF[%d] qstate during flr was %d\n", | |
1053 | vf->abs_vfid, qstate->q_obj->state); | |
1054 | ||
1055 | if (qstate->q_obj->state != BNX2X_Q_STATE_RESET) { | |
1056 | qstate->q_obj->state = BNX2X_Q_STATE_STOPPED; | |
1057 | qstate->cmd = BNX2X_Q_CMD_TERMINATE; | |
1058 | vfop->rc = bnx2x_queue_state_change(bp, qstate); | |
1059 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_VERIFY_PEND); | |
1060 | } else { | |
1061 | goto op_done; | |
1062 | } | |
1063 | ||
1064 | op_err: | |
1065 | BNX2X_ERR("QFLR[%d:%d] error: rc %d\n", | |
1066 | vf->abs_vfid, qid, vfop->rc); | |
1067 | op_done: | |
1068 | case BNX2X_VFOP_QFLR_DONE: | |
1069 | bnx2x_vfop_end(bp, vf, vfop); | |
1070 | return; | |
1071 | default: | |
1072 | bnx2x_vfop_default(state); | |
1073 | } | |
1074 | op_pending: | |
1075 | return; | |
1076 | } | |
1077 | ||
1078 | static int bnx2x_vfop_qflr_cmd(struct bnx2x *bp, | |
1079 | struct bnx2x_virtf *vf, | |
1080 | struct bnx2x_vfop_cmd *cmd, | |
1081 | int qid) | |
1082 | { | |
1083 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); | |
1084 | ||
1085 | if (vfop) { | |
1086 | vfop->args.qx.qid = qid; | |
1087 | bnx2x_vfop_opset(BNX2X_VFOP_QFLR_CLR_VLAN, | |
1088 | bnx2x_vfop_qflr, cmd->done); | |
1089 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qflr, | |
1090 | cmd->block); | |
1091 | } | |
1092 | return -ENOMEM; | |
1093 | } | |
1094 | ||
954ea748 AE |
1095 | /* VFOP multi-casts */ |
1096 | static void bnx2x_vfop_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
1097 | { | |
1098 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); | |
1099 | struct bnx2x_mcast_ramrod_params *mcast = &vfop->op_p->mcast; | |
1100 | struct bnx2x_raw_obj *raw = &mcast->mcast_obj->raw; | |
1101 | struct bnx2x_vfop_args_mcast *args = &vfop->args.mc_list; | |
1102 | enum bnx2x_vfop_mcast_state state = vfop->state; | |
1103 | int i; | |
1104 | ||
1105 | bnx2x_vfop_reset_wq(vf); | |
1106 | ||
1107 | if (vfop->rc < 0) | |
1108 | goto op_err; | |
1109 | ||
1110 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); | |
1111 | ||
1112 | switch (state) { | |
1113 | case BNX2X_VFOP_MCAST_DEL: | |
1114 | /* clear existing mcasts */ | |
1115 | vfop->state = BNX2X_VFOP_MCAST_ADD; | |
1116 | vfop->rc = bnx2x_config_mcast(bp, mcast, BNX2X_MCAST_CMD_DEL); | |
1117 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); | |
1118 | ||
1119 | case BNX2X_VFOP_MCAST_ADD: | |
1120 | if (raw->check_pending(raw)) | |
1121 | goto op_pending; | |
1122 | ||
1123 | if (args->mc_num) { | |
1124 | /* update mcast list on the ramrod params */ | |
1125 | INIT_LIST_HEAD(&mcast->mcast_list); | |
1126 | for (i = 0; i < args->mc_num; i++) | |
1127 | list_add_tail(&(args->mc[i].link), | |
1128 | &mcast->mcast_list); | |
1129 | /* add new mcasts */ | |
1130 | vfop->state = BNX2X_VFOP_MCAST_CHK_DONE; | |
1131 | vfop->rc = bnx2x_config_mcast(bp, mcast, | |
1132 | BNX2X_MCAST_CMD_ADD); | |
1133 | } | |
1134 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); | |
1135 | ||
1136 | case BNX2X_VFOP_MCAST_CHK_DONE: | |
1137 | vfop->rc = raw->check_pending(raw) ? 1 : 0; | |
1138 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); | |
1139 | default: | |
1140 | bnx2x_vfop_default(state); | |
1141 | } | |
1142 | op_err: | |
1143 | BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop->rc); | |
1144 | op_done: | |
1145 | kfree(args->mc); | |
1146 | bnx2x_vfop_end(bp, vf, vfop); | |
1147 | op_pending: | |
1148 | return; | |
1149 | } | |
1150 | ||
1151 | int bnx2x_vfop_mcast_cmd(struct bnx2x *bp, | |
1152 | struct bnx2x_virtf *vf, | |
1153 | struct bnx2x_vfop_cmd *cmd, | |
1154 | bnx2x_mac_addr_t *mcasts, | |
1155 | int mcast_num, bool drv_only) | |
1156 | { | |
1157 | struct bnx2x_vfop *vfop = NULL; | |
1158 | size_t mc_sz = mcast_num * sizeof(struct bnx2x_mcast_list_elem); | |
1159 | struct bnx2x_mcast_list_elem *mc = mc_sz ? kzalloc(mc_sz, GFP_KERNEL) : | |
1160 | NULL; | |
1161 | ||
1162 | if (!mc_sz || mc) { | |
1163 | vfop = bnx2x_vfop_add(bp, vf); | |
1164 | if (vfop) { | |
1165 | int i; | |
1166 | struct bnx2x_mcast_ramrod_params *ramrod = | |
1167 | &vf->op_params.mcast; | |
1168 | ||
1169 | /* set ramrod params */ | |
1170 | memset(ramrod, 0, sizeof(*ramrod)); | |
1171 | ramrod->mcast_obj = &vf->mcast_obj; | |
1172 | if (drv_only) | |
1173 | set_bit(RAMROD_DRV_CLR_ONLY, | |
1174 | &ramrod->ramrod_flags); | |
1175 | ||
1176 | /* copy mcasts pointers */ | |
1177 | vfop->args.mc_list.mc_num = mcast_num; | |
1178 | vfop->args.mc_list.mc = mc; | |
1179 | for (i = 0; i < mcast_num; i++) | |
1180 | mc[i].mac = mcasts[i]; | |
1181 | ||
1182 | bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL, | |
1183 | bnx2x_vfop_mcast, cmd->done); | |
1184 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mcast, | |
1185 | cmd->block); | |
1186 | } else { | |
1187 | kfree(mc); | |
1188 | } | |
1189 | } | |
1190 | return -ENOMEM; | |
1191 | } | |
1192 | ||
1193 | /* VFOP rx-mode */ | |
1194 | static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
1195 | { | |
1196 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); | |
1197 | struct bnx2x_rx_mode_ramrod_params *ramrod = &vfop->op_p->rx_mode; | |
1198 | enum bnx2x_vfop_rxmode_state state = vfop->state; | |
1199 | ||
1200 | bnx2x_vfop_reset_wq(vf); | |
1201 | ||
1202 | if (vfop->rc < 0) | |
1203 | goto op_err; | |
1204 | ||
1205 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); | |
1206 | ||
1207 | switch (state) { | |
1208 | case BNX2X_VFOP_RXMODE_CONFIG: | |
1209 | /* next state */ | |
1210 | vfop->state = BNX2X_VFOP_RXMODE_DONE; | |
1211 | ||
1212 | vfop->rc = bnx2x_config_rx_mode(bp, ramrod); | |
1213 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); | |
1214 | op_err: | |
1215 | BNX2X_ERR("RXMODE error: rc %d\n", vfop->rc); | |
1216 | op_done: | |
1217 | case BNX2X_VFOP_RXMODE_DONE: | |
1218 | bnx2x_vfop_end(bp, vf, vfop); | |
1219 | return; | |
1220 | default: | |
1221 | bnx2x_vfop_default(state); | |
1222 | } | |
1223 | op_pending: | |
1224 | return; | |
1225 | } | |
1226 | ||
1227 | int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp, | |
1228 | struct bnx2x_virtf *vf, | |
1229 | struct bnx2x_vfop_cmd *cmd, | |
1230 | int qid, unsigned long accept_flags) | |
1231 | { | |
1232 | struct bnx2x_vf_queue *vfq = vfq_get(vf, qid); | |
1233 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); | |
1234 | ||
1235 | if (vfop) { | |
1236 | struct bnx2x_rx_mode_ramrod_params *ramrod = | |
1237 | &vf->op_params.rx_mode; | |
1238 | ||
1239 | memset(ramrod, 0, sizeof(*ramrod)); | |
1240 | ||
1241 | /* Prepare ramrod parameters */ | |
1242 | ramrod->cid = vfq->cid; | |
1243 | ramrod->cl_id = vfq_cl_id(vf, vfq); | |
1244 | ramrod->rx_mode_obj = &bp->rx_mode_obj; | |
1245 | ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid); | |
1246 | ||
1247 | ramrod->rx_accept_flags = accept_flags; | |
1248 | ramrod->tx_accept_flags = accept_flags; | |
1249 | ramrod->pstate = &vf->filter_state; | |
1250 | ramrod->state = BNX2X_FILTER_RX_MODE_PENDING; | |
1251 | ||
1252 | set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state); | |
1253 | set_bit(RAMROD_RX, &ramrod->ramrod_flags); | |
1254 | set_bit(RAMROD_TX, &ramrod->ramrod_flags); | |
1255 | ||
1256 | ramrod->rdata = | |
1257 | bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2); | |
1258 | ramrod->rdata_mapping = | |
1259 | bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2); | |
1260 | ||
1261 | bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG, | |
1262 | bnx2x_vfop_rxmode, cmd->done); | |
1263 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rxmode, | |
1264 | cmd->block); | |
1265 | } | |
1266 | return -ENOMEM; | |
1267 | } | |
1268 | ||
463a68a7 AE |
1269 | /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs, |
1270 | * queue destructor) | |
1271 | */ | |
1272 | static void bnx2x_vfop_qdown(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
1273 | { | |
1274 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); | |
1275 | int qid = vfop->args.qx.qid; | |
1276 | enum bnx2x_vfop_qteardown_state state = vfop->state; | |
1277 | struct bnx2x_vfop_cmd cmd; | |
1278 | ||
1279 | if (vfop->rc < 0) | |
1280 | goto op_err; | |
1281 | ||
1282 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); | |
1283 | ||
1284 | cmd.done = bnx2x_vfop_qdown; | |
1285 | cmd.block = false; | |
1286 | ||
1287 | switch (state) { | |
1288 | case BNX2X_VFOP_QTEARDOWN_RXMODE: | |
1289 | /* Drop all */ | |
1290 | vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_VLAN; | |
1291 | vfop->rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, qid, 0); | |
1292 | if (vfop->rc) | |
1293 | goto op_err; | |
1294 | return; | |
1295 | ||
1296 | case BNX2X_VFOP_QTEARDOWN_CLR_VLAN: | |
1297 | /* vlan-clear-all: don't consume credit */ | |
1298 | vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MAC; | |
1299 | vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, false); | |
1300 | if (vfop->rc) | |
1301 | goto op_err; | |
1302 | return; | |
1303 | ||
1304 | case BNX2X_VFOP_QTEARDOWN_CLR_MAC: | |
1305 | /* mac-clear-all: consume credit */ | |
1306 | vfop->state = BNX2X_VFOP_QTEARDOWN_QDTOR; | |
1307 | vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, false); | |
1308 | if (vfop->rc) | |
1309 | goto op_err; | |
1310 | return; | |
1311 | ||
1312 | case BNX2X_VFOP_QTEARDOWN_QDTOR: | |
1313 | /* run the queue destruction flow */ | |
1314 | DP(BNX2X_MSG_IOV, "case: BNX2X_VFOP_QTEARDOWN_QDTOR\n"); | |
1315 | vfop->state = BNX2X_VFOP_QTEARDOWN_DONE; | |
1316 | DP(BNX2X_MSG_IOV, "new state: BNX2X_VFOP_QTEARDOWN_DONE\n"); | |
1317 | vfop->rc = bnx2x_vfop_qdtor_cmd(bp, vf, &cmd, qid); | |
1318 | DP(BNX2X_MSG_IOV, "returned from cmd\n"); | |
1319 | if (vfop->rc) | |
1320 | goto op_err; | |
1321 | return; | |
1322 | op_err: | |
1323 | BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n", | |
1324 | vf->abs_vfid, qid, vfop->rc); | |
1325 | ||
1326 | case BNX2X_VFOP_QTEARDOWN_DONE: | |
1327 | bnx2x_vfop_end(bp, vf, vfop); | |
1328 | return; | |
1329 | default: | |
1330 | bnx2x_vfop_default(state); | |
1331 | } | |
1332 | } | |
1333 | ||
1334 | int bnx2x_vfop_qdown_cmd(struct bnx2x *bp, | |
1335 | struct bnx2x_virtf *vf, | |
1336 | struct bnx2x_vfop_cmd *cmd, | |
1337 | int qid) | |
1338 | { | |
1339 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); | |
1340 | ||
b9871bcf | 1341 | /* for non leading queues skip directly to qdown sate */ |
463a68a7 AE |
1342 | if (vfop) { |
1343 | vfop->args.qx.qid = qid; | |
b9871bcf AE |
1344 | bnx2x_vfop_opset(qid == LEADING_IDX ? |
1345 | BNX2X_VFOP_QTEARDOWN_RXMODE : | |
1346 | BNX2X_VFOP_QTEARDOWN_QDTOR, bnx2x_vfop_qdown, | |
1347 | cmd->done); | |
463a68a7 AE |
1348 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdown, |
1349 | cmd->block); | |
1350 | } | |
1351 | ||
1352 | return -ENOMEM; | |
1353 | } | |
1354 | ||
b56e9670 AE |
1355 | /* VF enable primitives |
1356 | * when pretend is required the caller is responsible | |
1357 | * for calling pretend prior to calling these routines | |
1358 | */ | |
1359 | ||
b56e9670 | 1360 | /* internal vf enable - until vf is enabled internally all transactions |
16a5fd92 | 1361 | * are blocked. This routine should always be called last with pretend. |
b56e9670 AE |
1362 | */ |
1363 | static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable) | |
1364 | { | |
1365 | REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0); | |
1366 | } | |
1367 | ||
1368 | /* clears vf error in all semi blocks */ | |
1369 | static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid) | |
1370 | { | |
1371 | REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid); | |
1372 | REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid); | |
1373 | REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid); | |
1374 | REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid); | |
1375 | } | |
1376 | ||
1377 | static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid) | |
1378 | { | |
1379 | u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5; | |
1380 | u32 was_err_reg = 0; | |
1381 | ||
1382 | switch (was_err_group) { | |
1383 | case 0: | |
1384 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR; | |
1385 | break; | |
1386 | case 1: | |
1387 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR; | |
1388 | break; | |
1389 | case 2: | |
1390 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR; | |
1391 | break; | |
1392 | case 3: | |
1393 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR; | |
1394 | break; | |
1395 | } | |
1396 | REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f)); | |
1397 | } | |
1398 | ||
b93288d5 AE |
1399 | static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf) |
1400 | { | |
1401 | int i; | |
1402 | u32 val; | |
1403 | ||
1404 | /* Set VF masks and configuration - pretend */ | |
1405 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); | |
1406 | ||
1407 | REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0); | |
1408 | REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0); | |
1409 | REG_WR(bp, IGU_REG_SB_MASK_LSB, 0); | |
1410 | REG_WR(bp, IGU_REG_SB_MASK_MSB, 0); | |
1411 | REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0); | |
1412 | REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0); | |
1413 | ||
1414 | val = REG_RD(bp, IGU_REG_VF_CONFIGURATION); | |
1415 | val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN); | |
1416 | if (vf->cfg_flags & VF_CFG_INT_SIMD) | |
1417 | val |= IGU_VF_CONF_SINGLE_ISR_EN; | |
1418 | val &= ~IGU_VF_CONF_PARENT_MASK; | |
1419 | val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */ | |
1420 | REG_WR(bp, IGU_REG_VF_CONFIGURATION, val); | |
1421 | ||
1422 | DP(BNX2X_MSG_IOV, | |
1423 | "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n", | |
1424 | vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION)); | |
1425 | ||
1426 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); | |
1427 | ||
1428 | /* iterate over all queues, clear sb consumer */ | |
1429 | for (i = 0; i < vf_sb_count(vf); i++) { | |
1430 | u8 igu_sb_id = vf_igu_sb(vf, i); | |
1431 | ||
1432 | /* zero prod memory */ | |
1433 | REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0); | |
1434 | ||
1435 | /* clear sb state machine */ | |
1436 | bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id, | |
1437 | false /* VF */); | |
1438 | ||
1439 | /* disable + update */ | |
1440 | bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0, | |
1441 | IGU_INT_DISABLE, 1); | |
1442 | } | |
1443 | } | |
1444 | ||
b56e9670 AE |
1445 | void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid) |
1446 | { | |
1447 | /* set the VF-PF association in the FW */ | |
1448 | storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp)); | |
1449 | storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1); | |
1450 | ||
1451 | /* clear vf errors*/ | |
1452 | bnx2x_vf_semi_clear_err(bp, abs_vfid); | |
1453 | bnx2x_vf_pglue_clear_err(bp, abs_vfid); | |
1454 | ||
1455 | /* internal vf-enable - pretend */ | |
1456 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid)); | |
1457 | DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid); | |
1458 | bnx2x_vf_enable_internal(bp, true); | |
1459 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); | |
1460 | } | |
1461 | ||
b93288d5 AE |
1462 | static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf) |
1463 | { | |
1464 | /* Reset vf in IGU interrupts are still disabled */ | |
1465 | bnx2x_vf_igu_reset(bp, vf); | |
1466 | ||
1467 | /* pretend to enable the vf with the PBF */ | |
1468 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); | |
1469 | REG_WR(bp, PBF_REG_DISABLE_VF, 0); | |
1470 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); | |
1471 | } | |
1472 | ||
b56e9670 AE |
1473 | static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid) |
1474 | { | |
1475 | struct pci_dev *dev; | |
1476 | struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); | |
1477 | ||
1478 | if (!vf) | |
78c3bcc5 | 1479 | return false; |
b56e9670 AE |
1480 | |
1481 | dev = pci_get_bus_and_slot(vf->bus, vf->devfn); | |
1482 | if (dev) | |
1483 | return bnx2x_is_pcie_pending(dev); | |
b56e9670 AE |
1484 | return false; |
1485 | } | |
1486 | ||
1487 | int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid) | |
1488 | { | |
b56e9670 AE |
1489 | /* Verify no pending pci transactions */ |
1490 | if (bnx2x_vf_is_pcie_pending(bp, abs_vfid)) | |
1491 | BNX2X_ERR("PCIE Transactions still pending\n"); | |
1492 | ||
1493 | return 0; | |
1494 | } | |
1495 | ||
1496 | /* must be called after the number of PF queues and the number of VFs are | |
1497 | * both known | |
1498 | */ | |
1499 | static void | |
b9871bcf | 1500 | bnx2x_iov_static_resc(struct bnx2x *bp, struct bnx2x_virtf *vf) |
b56e9670 | 1501 | { |
b9871bcf | 1502 | struct vf_pf_resc_request *resc = &vf->alloc_resc; |
b56e9670 AE |
1503 | u16 vlan_count = 0; |
1504 | ||
1505 | /* will be set only during VF-ACQUIRE */ | |
1506 | resc->num_rxqs = 0; | |
1507 | resc->num_txqs = 0; | |
1508 | ||
b9871bcf | 1509 | /* no credit calculations for macs (just yet) */ |
b56e9670 AE |
1510 | resc->num_mac_filters = 1; |
1511 | ||
1512 | /* divvy up vlan rules */ | |
1513 | vlan_count = bp->vlans_pool.check(&bp->vlans_pool); | |
1514 | vlan_count = 1 << ilog2(vlan_count); | |
1515 | resc->num_vlan_filters = vlan_count / BNX2X_NR_VIRTFN(bp); | |
1516 | ||
1517 | /* no real limitation */ | |
1518 | resc->num_mc_filters = 0; | |
1519 | ||
1520 | /* num_sbs already set */ | |
b9871bcf | 1521 | resc->num_sbs = vf->sb_count; |
b56e9670 AE |
1522 | } |
1523 | ||
f1929b01 AE |
1524 | /* FLR routines: */ |
1525 | static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
1526 | { | |
1527 | /* reset the state variables */ | |
b9871bcf | 1528 | bnx2x_iov_static_resc(bp, vf); |
f1929b01 AE |
1529 | vf->state = VF_FREE; |
1530 | } | |
1531 | ||
d16132ce AE |
1532 | static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf) |
1533 | { | |
1534 | u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp); | |
1535 | ||
1536 | /* DQ usage counter */ | |
1537 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); | |
1538 | bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT, | |
1539 | "DQ VF usage counter timed out", | |
1540 | poll_cnt); | |
1541 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); | |
1542 | ||
1543 | /* FW cleanup command - poll for the results */ | |
1544 | if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid), | |
1545 | poll_cnt)) | |
1546 | BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid); | |
1547 | ||
1548 | /* verify TX hw is flushed */ | |
1549 | bnx2x_tx_hw_flushed(bp, poll_cnt); | |
1550 | } | |
1551 | ||
1552 | static void bnx2x_vfop_flr(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
1553 | { | |
1554 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); | |
1555 | struct bnx2x_vfop_args_qx *qx = &vfop->args.qx; | |
1556 | enum bnx2x_vfop_flr_state state = vfop->state; | |
1557 | struct bnx2x_vfop_cmd cmd = { | |
1558 | .done = bnx2x_vfop_flr, | |
1559 | .block = false, | |
1560 | }; | |
1561 | ||
1562 | if (vfop->rc < 0) | |
1563 | goto op_err; | |
1564 | ||
1565 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); | |
1566 | ||
1567 | switch (state) { | |
1568 | case BNX2X_VFOP_FLR_QUEUES: | |
1569 | /* the cleanup operations are valid if and only if the VF | |
1570 | * was first acquired. | |
1571 | */ | |
1572 | if (++(qx->qid) < vf_rxq_count(vf)) { | |
1573 | vfop->rc = bnx2x_vfop_qflr_cmd(bp, vf, &cmd, | |
1574 | qx->qid); | |
1575 | if (vfop->rc) | |
1576 | goto op_err; | |
1577 | return; | |
1578 | } | |
1579 | /* remove multicasts */ | |
1580 | vfop->state = BNX2X_VFOP_FLR_HW; | |
1581 | vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, | |
1582 | 0, true); | |
1583 | if (vfop->rc) | |
1584 | goto op_err; | |
1585 | return; | |
1586 | case BNX2X_VFOP_FLR_HW: | |
1587 | ||
1588 | /* dispatch final cleanup and wait for HW queues to flush */ | |
1589 | bnx2x_vf_flr_clnup_hw(bp, vf); | |
1590 | ||
1591 | /* release VF resources */ | |
1592 | bnx2x_vf_free_resc(bp, vf); | |
1593 | ||
1594 | /* re-open the mailbox */ | |
1595 | bnx2x_vf_enable_mbx(bp, vf->abs_vfid); | |
1596 | ||
1597 | goto op_done; | |
1598 | default: | |
1599 | bnx2x_vfop_default(state); | |
1600 | } | |
1601 | op_err: | |
1602 | BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf->abs_vfid, vfop->rc); | |
1603 | op_done: | |
1604 | vf->flr_clnup_stage = VF_FLR_ACK; | |
1605 | bnx2x_vfop_end(bp, vf, vfop); | |
1606 | bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR); | |
1607 | } | |
1608 | ||
1609 | static int bnx2x_vfop_flr_cmd(struct bnx2x *bp, | |
1610 | struct bnx2x_virtf *vf, | |
1611 | vfop_handler_t done) | |
1612 | { | |
1613 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); | |
1614 | if (vfop) { | |
1615 | vfop->args.qx.qid = -1; /* loop */ | |
1616 | bnx2x_vfop_opset(BNX2X_VFOP_FLR_QUEUES, | |
1617 | bnx2x_vfop_flr, done); | |
1618 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_flr, false); | |
1619 | } | |
1620 | return -ENOMEM; | |
1621 | } | |
1622 | ||
1623 | static void bnx2x_vf_flr_clnup(struct bnx2x *bp, struct bnx2x_virtf *prev_vf) | |
1624 | { | |
1625 | int i = prev_vf ? prev_vf->index + 1 : 0; | |
1626 | struct bnx2x_virtf *vf; | |
1627 | ||
1628 | /* find next VF to cleanup */ | |
1629 | next_vf_to_clean: | |
1630 | for (; | |
1631 | i < BNX2X_NR_VIRTFN(bp) && | |
1632 | (bnx2x_vf(bp, i, state) != VF_RESET || | |
1633 | bnx2x_vf(bp, i, flr_clnup_stage) != VF_FLR_CLN); | |
1634 | i++) | |
1635 | ; | |
1636 | ||
6bf07b8e | 1637 | DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. Num of vfs: %d\n", i, |
d16132ce AE |
1638 | BNX2X_NR_VIRTFN(bp)); |
1639 | ||
1640 | if (i < BNX2X_NR_VIRTFN(bp)) { | |
1641 | vf = BP_VF(bp, i); | |
1642 | ||
1643 | /* lock the vf pf channel */ | |
1644 | bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR); | |
1645 | ||
1646 | /* invoke the VF FLR SM */ | |
1647 | if (bnx2x_vfop_flr_cmd(bp, vf, bnx2x_vf_flr_clnup)) { | |
1648 | BNX2X_ERR("VF[%d]: FLR cleanup failed -ENOMEM\n", | |
1649 | vf->abs_vfid); | |
1650 | ||
1651 | /* mark the VF to be ACKED and continue */ | |
1652 | vf->flr_clnup_stage = VF_FLR_ACK; | |
1653 | goto next_vf_to_clean; | |
1654 | } | |
1655 | return; | |
1656 | } | |
1657 | ||
1658 | /* we are done, update vf records */ | |
1659 | for_each_vf(bp, i) { | |
1660 | vf = BP_VF(bp, i); | |
1661 | ||
1662 | if (vf->flr_clnup_stage != VF_FLR_ACK) | |
1663 | continue; | |
1664 | ||
1665 | vf->flr_clnup_stage = VF_FLR_EPILOG; | |
1666 | } | |
1667 | ||
1668 | /* Acknowledge the handled VFs. | |
1669 | * we are acknowledge all the vfs which an flr was requested for, even | |
1670 | * if amongst them there are such that we never opened, since the mcp | |
1671 | * will interrupt us immediately again if we only ack some of the bits, | |
1672 | * resulting in an endless loop. This can happen for example in KVM | |
1673 | * where an 'all ones' flr request is sometimes given by hyper visor | |
1674 | */ | |
1675 | DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n", | |
1676 | bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]); | |
1677 | for (i = 0; i < FLRD_VFS_DWORDS; i++) | |
1678 | SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], | |
1679 | bp->vfdb->flrd_vfs[i]); | |
1680 | ||
1681 | bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0); | |
1682 | ||
1683 | /* clear the acked bits - better yet if the MCP implemented | |
1684 | * write to clear semantics | |
1685 | */ | |
1686 | for (i = 0; i < FLRD_VFS_DWORDS; i++) | |
1687 | SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0); | |
1688 | } | |
1689 | ||
1690 | void bnx2x_vf_handle_flr_event(struct bnx2x *bp) | |
1691 | { | |
1692 | int i; | |
1693 | ||
1694 | /* Read FLR'd VFs */ | |
1695 | for (i = 0; i < FLRD_VFS_DWORDS; i++) | |
1696 | bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]); | |
1697 | ||
1698 | DP(BNX2X_MSG_MCP, | |
1699 | "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n", | |
1700 | bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]); | |
1701 | ||
1702 | for_each_vf(bp, i) { | |
1703 | struct bnx2x_virtf *vf = BP_VF(bp, i); | |
1704 | u32 reset = 0; | |
1705 | ||
1706 | if (vf->abs_vfid < 32) | |
1707 | reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid); | |
1708 | else | |
1709 | reset = bp->vfdb->flrd_vfs[1] & | |
1710 | (1 << (vf->abs_vfid - 32)); | |
1711 | ||
1712 | if (reset) { | |
1713 | /* set as reset and ready for cleanup */ | |
1714 | vf->state = VF_RESET; | |
1715 | vf->flr_clnup_stage = VF_FLR_CLN; | |
1716 | ||
1717 | DP(BNX2X_MSG_IOV, | |
1718 | "Initiating Final cleanup for VF %d\n", | |
1719 | vf->abs_vfid); | |
1720 | } | |
1721 | } | |
1722 | ||
1723 | /* do the FLR cleanup for all marked VFs*/ | |
1724 | bnx2x_vf_flr_clnup(bp, NULL); | |
1725 | } | |
1726 | ||
b56e9670 AE |
1727 | /* IOV global initialization routines */ |
1728 | void bnx2x_iov_init_dq(struct bnx2x *bp) | |
1729 | { | |
1730 | if (!IS_SRIOV(bp)) | |
1731 | return; | |
1732 | ||
1733 | /* Set the DQ such that the CID reflect the abs_vfid */ | |
1734 | REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0); | |
1735 | REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS)); | |
1736 | ||
1737 | /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to | |
1738 | * the PF L2 queues | |
1739 | */ | |
1740 | REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID); | |
1741 | ||
1742 | /* The VF window size is the log2 of the max number of CIDs per VF */ | |
1743 | REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND); | |
1744 | ||
1745 | /* The VF doorbell size 0 - *B, 4 - 128B. We set it here to match | |
1746 | * the Pf doorbell size although the 2 are independent. | |
1747 | */ | |
b9871bcf | 1748 | REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST, 3); |
b56e9670 AE |
1749 | |
1750 | /* No security checks for now - | |
1751 | * configure single rule (out of 16) mask = 0x1, value = 0x0, | |
1752 | * CID range 0 - 0x1ffff | |
1753 | */ | |
1754 | REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1); | |
1755 | REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0); | |
1756 | REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0); | |
1757 | REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff); | |
1758 | ||
b56e9670 AE |
1759 | /* set the VF doorbell threshold */ |
1760 | REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4); | |
1761 | } | |
1762 | ||
1763 | void bnx2x_iov_init_dmae(struct bnx2x *bp) | |
1764 | { | |
49baea88 AE |
1765 | if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV)) |
1766 | REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0); | |
b56e9670 AE |
1767 | } |
1768 | ||
1769 | static int bnx2x_vf_bus(struct bnx2x *bp, int vfid) | |
1770 | { | |
1771 | struct pci_dev *dev = bp->pdev; | |
1772 | struct bnx2x_sriov *iov = &bp->vfdb->sriov; | |
1773 | ||
1774 | return dev->bus->number + ((dev->devfn + iov->offset + | |
1775 | iov->stride * vfid) >> 8); | |
1776 | } | |
1777 | ||
1778 | static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid) | |
1779 | { | |
1780 | struct pci_dev *dev = bp->pdev; | |
1781 | struct bnx2x_sriov *iov = &bp->vfdb->sriov; | |
1782 | ||
1783 | return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff; | |
1784 | } | |
1785 | ||
1786 | static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
1787 | { | |
1788 | int i, n; | |
1789 | struct pci_dev *dev = bp->pdev; | |
1790 | struct bnx2x_sriov *iov = &bp->vfdb->sriov; | |
1791 | ||
1792 | for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) { | |
1793 | u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i); | |
1794 | u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i); | |
1795 | ||
6411280a | 1796 | size /= iov->total; |
b56e9670 AE |
1797 | vf->bars[n].bar = start + size * vf->abs_vfid; |
1798 | vf->bars[n].size = size; | |
1799 | } | |
1800 | } | |
1801 | ||
8db573ba AE |
1802 | static int bnx2x_ari_enabled(struct pci_dev *dev) |
1803 | { | |
1804 | return dev->bus->self && dev->bus->self->ari_enabled; | |
1805 | } | |
1806 | ||
1807 | static void | |
1808 | bnx2x_get_vf_igu_cam_info(struct bnx2x *bp) | |
1809 | { | |
1810 | int sb_id; | |
1811 | u32 val; | |
b9871bcf | 1812 | u8 fid, current_pf = 0; |
8db573ba AE |
1813 | |
1814 | /* IGU in normal mode - read CAM */ | |
1815 | for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) { | |
1816 | val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4); | |
1817 | if (!(val & IGU_REG_MAPPING_MEMORY_VALID)) | |
1818 | continue; | |
1819 | fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID); | |
b9871bcf AE |
1820 | if (fid & IGU_FID_ENCODE_IS_PF) |
1821 | current_pf = fid & IGU_FID_PF_NUM_MASK; | |
9ea75ded | 1822 | else if (current_pf == BP_FUNC(bp)) |
8db573ba AE |
1823 | bnx2x_vf_set_igu_info(bp, sb_id, |
1824 | (fid & IGU_FID_VF_NUM_MASK)); | |
8db573ba AE |
1825 | DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n", |
1826 | ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"), | |
1827 | ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) : | |
1828 | (fid & IGU_FID_VF_NUM_MASK)), sb_id, | |
1829 | GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)); | |
1830 | } | |
b9871bcf | 1831 | DP(BNX2X_MSG_IOV, "vf_sbs_pool is %d\n", BP_VFDB(bp)->vf_sbs_pool); |
8db573ba AE |
1832 | } |
1833 | ||
1834 | static void __bnx2x_iov_free_vfdb(struct bnx2x *bp) | |
1835 | { | |
1836 | if (bp->vfdb) { | |
1837 | kfree(bp->vfdb->vfqs); | |
1838 | kfree(bp->vfdb->vfs); | |
1839 | kfree(bp->vfdb); | |
1840 | } | |
1841 | bp->vfdb = NULL; | |
1842 | } | |
1843 | ||
1844 | static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov) | |
1845 | { | |
1846 | int pos; | |
1847 | struct pci_dev *dev = bp->pdev; | |
1848 | ||
1849 | pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV); | |
1850 | if (!pos) { | |
1851 | BNX2X_ERR("failed to find SRIOV capability in device\n"); | |
1852 | return -ENODEV; | |
1853 | } | |
1854 | ||
1855 | iov->pos = pos; | |
1856 | DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos); | |
1857 | pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl); | |
1858 | pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total); | |
1859 | pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial); | |
1860 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset); | |
1861 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride); | |
1862 | pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz); | |
1863 | pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap); | |
1864 | pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link); | |
1865 | ||
1866 | return 0; | |
1867 | } | |
1868 | ||
1869 | static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov) | |
1870 | { | |
1871 | u32 val; | |
1872 | ||
1873 | /* read the SRIOV capability structure | |
1874 | * The fields can be read via configuration read or | |
1875 | * directly from the device (starting at offset PCICFG_OFFSET) | |
1876 | */ | |
1877 | if (bnx2x_sriov_pci_cfg_info(bp, iov)) | |
1878 | return -ENODEV; | |
1879 | ||
1880 | /* get the number of SRIOV bars */ | |
1881 | iov->nres = 0; | |
1882 | ||
1883 | /* read the first_vfid */ | |
1884 | val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF); | |
1885 | iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK) | |
1886 | * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp)); | |
1887 | ||
1888 | DP(BNX2X_MSG_IOV, | |
1889 | "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", | |
1890 | BP_FUNC(bp), | |
1891 | iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total, | |
1892 | iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz); | |
1893 | ||
1894 | return 0; | |
1895 | } | |
1896 | ||
8db573ba AE |
1897 | /* must be called after PF bars are mapped */ |
1898 | int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param, | |
b9871bcf | 1899 | int num_vfs_param) |
8db573ba | 1900 | { |
b9871bcf | 1901 | int err, i; |
8db573ba AE |
1902 | struct bnx2x_sriov *iov; |
1903 | struct pci_dev *dev = bp->pdev; | |
1904 | ||
1905 | bp->vfdb = NULL; | |
1906 | ||
1907 | /* verify is pf */ | |
1908 | if (IS_VF(bp)) | |
1909 | return 0; | |
1910 | ||
1911 | /* verify sriov capability is present in configuration space */ | |
1912 | if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV)) | |
1913 | return 0; | |
1914 | ||
1915 | /* verify chip revision */ | |
1916 | if (CHIP_IS_E1x(bp)) | |
1917 | return 0; | |
1918 | ||
1919 | /* check if SRIOV support is turned off */ | |
1920 | if (!num_vfs_param) | |
1921 | return 0; | |
1922 | ||
1923 | /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */ | |
1924 | if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) { | |
1925 | BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n", | |
1926 | BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID); | |
1927 | return 0; | |
1928 | } | |
1929 | ||
1930 | /* SRIOV can be enabled only with MSIX */ | |
1931 | if (int_mode_param == BNX2X_INT_MODE_MSI || | |
10938604 | 1932 | int_mode_param == BNX2X_INT_MODE_INTX) { |
8db573ba | 1933 | BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n"); |
10938604 AE |
1934 | return 0; |
1935 | } | |
8db573ba AE |
1936 | |
1937 | err = -EIO; | |
1938 | /* verify ari is enabled */ | |
1939 | if (!bnx2x_ari_enabled(bp->pdev)) { | |
10938604 AE |
1940 | BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n"); |
1941 | return 0; | |
8db573ba AE |
1942 | } |
1943 | ||
1944 | /* verify igu is in normal mode */ | |
1945 | if (CHIP_INT_MODE_IS_BC(bp)) { | |
1946 | BNX2X_ERR("IGU not normal mode, SRIOV can not be enabled\n"); | |
10938604 | 1947 | return 0; |
8db573ba AE |
1948 | } |
1949 | ||
1950 | /* allocate the vfs database */ | |
1951 | bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL); | |
1952 | if (!bp->vfdb) { | |
1953 | BNX2X_ERR("failed to allocate vf database\n"); | |
1954 | err = -ENOMEM; | |
1955 | goto failed; | |
1956 | } | |
1957 | ||
1958 | /* get the sriov info - Linux already collected all the pertinent | |
1959 | * information, however the sriov structure is for the private use | |
1960 | * of the pci module. Also we want this information regardless | |
1961 | * of the hyper-visor. | |
1962 | */ | |
1963 | iov = &(bp->vfdb->sriov); | |
1964 | err = bnx2x_sriov_info(bp, iov); | |
1965 | if (err) | |
1966 | goto failed; | |
1967 | ||
1968 | /* SR-IOV capability was enabled but there are no VFs*/ | |
1969 | if (iov->total == 0) | |
1970 | goto failed; | |
1971 | ||
3c76feff AE |
1972 | iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param); |
1973 | ||
1974 | DP(BNX2X_MSG_IOV, "num_vfs_param was %d, nr_virtfn was %d\n", | |
1975 | num_vfs_param, iov->nr_virtfn); | |
8db573ba AE |
1976 | |
1977 | /* allocate the vf array */ | |
1978 | bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) * | |
1979 | BNX2X_NR_VIRTFN(bp), GFP_KERNEL); | |
1980 | if (!bp->vfdb->vfs) { | |
1981 | BNX2X_ERR("failed to allocate vf array\n"); | |
1982 | err = -ENOMEM; | |
1983 | goto failed; | |
1984 | } | |
1985 | ||
1986 | /* Initial VF init - index and abs_vfid - nr_virtfn must be set */ | |
1987 | for_each_vf(bp, i) { | |
1988 | bnx2x_vf(bp, i, index) = i; | |
1989 | bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i; | |
1990 | bnx2x_vf(bp, i, state) = VF_FREE; | |
1991 | INIT_LIST_HEAD(&bnx2x_vf(bp, i, op_list_head)); | |
1992 | mutex_init(&bnx2x_vf(bp, i, op_mutex)); | |
1993 | bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE; | |
1994 | } | |
1995 | ||
1996 | /* re-read the IGU CAM for VFs - index and abs_vfid must be set */ | |
1997 | bnx2x_get_vf_igu_cam_info(bp); | |
1998 | ||
8db573ba | 1999 | /* allocate the queue arrays for all VFs */ |
b9871bcf AE |
2000 | bp->vfdb->vfqs = kzalloc( |
2001 | BNX2X_MAX_NUM_VF_QUEUES * sizeof(struct bnx2x_vf_queue), | |
2002 | GFP_KERNEL); | |
2003 | ||
2004 | DP(BNX2X_MSG_IOV, "bp->vfdb->vfqs was %p\n", bp->vfdb->vfqs); | |
2005 | ||
8db573ba AE |
2006 | if (!bp->vfdb->vfqs) { |
2007 | BNX2X_ERR("failed to allocate vf queue array\n"); | |
2008 | err = -ENOMEM; | |
2009 | goto failed; | |
2010 | } | |
2011 | ||
2012 | return 0; | |
2013 | failed: | |
2014 | DP(BNX2X_MSG_IOV, "Failed err=%d\n", err); | |
2015 | __bnx2x_iov_free_vfdb(bp); | |
2016 | return err; | |
2017 | } | |
2018 | ||
fd1fc79d AE |
2019 | void bnx2x_iov_remove_one(struct bnx2x *bp) |
2020 | { | |
2021 | /* if SRIOV is not enabled there's nothing to do */ | |
2022 | if (!IS_SRIOV(bp)) | |
2023 | return; | |
2024 | ||
8395be5e AE |
2025 | DP(BNX2X_MSG_IOV, "about to call disable sriov\n"); |
2026 | pci_disable_sriov(bp->pdev); | |
2027 | DP(BNX2X_MSG_IOV, "sriov disabled\n"); | |
2028 | ||
fd1fc79d AE |
2029 | /* free vf database */ |
2030 | __bnx2x_iov_free_vfdb(bp); | |
2031 | } | |
2032 | ||
b56e9670 AE |
2033 | void bnx2x_iov_free_mem(struct bnx2x *bp) |
2034 | { | |
2035 | int i; | |
2036 | ||
2037 | if (!IS_SRIOV(bp)) | |
2038 | return; | |
2039 | ||
2040 | /* free vfs hw contexts */ | |
2041 | for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) { | |
2042 | struct hw_dma *cxt = &bp->vfdb->context[i]; | |
2043 | BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size); | |
2044 | } | |
2045 | ||
2046 | BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr, | |
2047 | BP_VFDB(bp)->sp_dma.mapping, | |
2048 | BP_VFDB(bp)->sp_dma.size); | |
2049 | ||
2050 | BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr, | |
2051 | BP_VF_MBX_DMA(bp)->mapping, | |
2052 | BP_VF_MBX_DMA(bp)->size); | |
abc5a021 AE |
2053 | |
2054 | BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr, | |
2055 | BP_VF_BULLETIN_DMA(bp)->mapping, | |
2056 | BP_VF_BULLETIN_DMA(bp)->size); | |
b56e9670 AE |
2057 | } |
2058 | ||
2059 | int bnx2x_iov_alloc_mem(struct bnx2x *bp) | |
2060 | { | |
2061 | size_t tot_size; | |
2062 | int i, rc = 0; | |
2063 | ||
2064 | if (!IS_SRIOV(bp)) | |
2065 | return rc; | |
2066 | ||
2067 | /* allocate vfs hw contexts */ | |
2068 | tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) * | |
2069 | BNX2X_CIDS_PER_VF * sizeof(union cdu_context); | |
2070 | ||
2071 | for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) { | |
2072 | struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i); | |
2073 | cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ); | |
2074 | ||
2075 | if (cxt->size) { | |
2076 | BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size); | |
2077 | } else { | |
2078 | cxt->addr = NULL; | |
2079 | cxt->mapping = 0; | |
2080 | } | |
2081 | tot_size -= cxt->size; | |
2082 | } | |
2083 | ||
2084 | /* allocate vfs ramrods dma memory - client_init and set_mac */ | |
2085 | tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp); | |
2086 | BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping, | |
2087 | tot_size); | |
2088 | BP_VFDB(bp)->sp_dma.size = tot_size; | |
2089 | ||
2090 | /* allocate mailboxes */ | |
2091 | tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE; | |
2092 | BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping, | |
2093 | tot_size); | |
2094 | BP_VF_MBX_DMA(bp)->size = tot_size; | |
2095 | ||
abc5a021 AE |
2096 | /* allocate local bulletin boards */ |
2097 | tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE; | |
2098 | BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp)->addr, | |
2099 | &BP_VF_BULLETIN_DMA(bp)->mapping, tot_size); | |
2100 | BP_VF_BULLETIN_DMA(bp)->size = tot_size; | |
2101 | ||
b56e9670 AE |
2102 | return 0; |
2103 | ||
2104 | alloc_mem_err: | |
2105 | return -ENOMEM; | |
2106 | } | |
2107 | ||
8ca5e17e AE |
2108 | static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf, |
2109 | struct bnx2x_vf_queue *q) | |
2110 | { | |
2111 | u8 cl_id = vfq_cl_id(vf, q); | |
2112 | u8 func_id = FW_VF_HANDLE(vf->abs_vfid); | |
2113 | unsigned long q_type = 0; | |
2114 | ||
2115 | set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); | |
2116 | set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); | |
2117 | ||
2118 | /* Queue State object */ | |
2119 | bnx2x_init_queue_obj(bp, &q->sp_obj, | |
2120 | cl_id, &q->cid, 1, func_id, | |
2121 | bnx2x_vf_sp(bp, vf, q_data), | |
2122 | bnx2x_vf_sp_map(bp, vf, q_data), | |
2123 | q_type); | |
2124 | ||
2125 | DP(BNX2X_MSG_IOV, | |
b9871bcf AE |
2126 | "initialized vf %d's queue object. func id set to %d. cid set to 0x%x\n", |
2127 | vf->abs_vfid, q->sp_obj.func_id, q->cid); | |
8ca5e17e AE |
2128 | } |
2129 | ||
b56e9670 AE |
2130 | /* called by bnx2x_nic_load */ |
2131 | int bnx2x_iov_nic_init(struct bnx2x *bp) | |
2132 | { | |
b9871bcf | 2133 | int vfid; |
b56e9670 AE |
2134 | |
2135 | if (!IS_SRIOV(bp)) { | |
2136 | DP(BNX2X_MSG_IOV, "vfdb was not allocated\n"); | |
2137 | return 0; | |
2138 | } | |
2139 | ||
2140 | DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn); | |
2141 | ||
03c22ea3 AE |
2142 | /* let FLR complete ... */ |
2143 | msleep(100); | |
2144 | ||
b56e9670 AE |
2145 | /* initialize vf database */ |
2146 | for_each_vf(bp, vfid) { | |
2147 | struct bnx2x_virtf *vf = BP_VF(bp, vfid); | |
2148 | ||
2149 | int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) * | |
2150 | BNX2X_CIDS_PER_VF; | |
2151 | ||
2152 | union cdu_context *base_cxt = (union cdu_context *) | |
2153 | BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr + | |
2154 | (base_vf_cid & (ILT_PAGE_CIDS-1)); | |
2155 | ||
2156 | DP(BNX2X_MSG_IOV, | |
2157 | "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n", | |
2158 | vf->abs_vfid, vf_sb_count(vf), base_vf_cid, | |
2159 | BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt); | |
2160 | ||
2161 | /* init statically provisioned resources */ | |
b9871bcf | 2162 | bnx2x_iov_static_resc(bp, vf); |
b56e9670 AE |
2163 | |
2164 | /* queues are initialized during VF-ACQUIRE */ | |
2165 | ||
2166 | /* reserve the vf vlan credit */ | |
2167 | bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf)); | |
2168 | ||
2169 | vf->filter_state = 0; | |
2170 | vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id); | |
2171 | ||
2172 | /* init mcast object - This object will be re-initialized | |
2173 | * during VF-ACQUIRE with the proper cl_id and cid. | |
2174 | * It needs to be initialized here so that it can be safely | |
2175 | * handled by a subsequent FLR flow. | |
2176 | */ | |
2177 | bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF, | |
2178 | 0xFF, 0xFF, 0xFF, | |
2179 | bnx2x_vf_sp(bp, vf, mcast_rdata), | |
2180 | bnx2x_vf_sp_map(bp, vf, mcast_rdata), | |
2181 | BNX2X_FILTER_MCAST_PENDING, | |
2182 | &vf->filter_state, | |
2183 | BNX2X_OBJ_TYPE_RX_TX); | |
2184 | ||
2185 | /* set the mailbox message addresses */ | |
2186 | BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *) | |
2187 | (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid * | |
2188 | MBX_MSG_ALIGNED_SIZE); | |
2189 | ||
2190 | BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping + | |
2191 | vfid * MBX_MSG_ALIGNED_SIZE; | |
2192 | ||
2193 | /* Enable vf mailbox */ | |
2194 | bnx2x_vf_enable_mbx(bp, vf->abs_vfid); | |
2195 | } | |
2196 | ||
2197 | /* Final VF init */ | |
b9871bcf AE |
2198 | for_each_vf(bp, vfid) { |
2199 | struct bnx2x_virtf *vf = BP_VF(bp, vfid); | |
b56e9670 AE |
2200 | |
2201 | /* fill in the BDF and bars */ | |
b9871bcf AE |
2202 | vf->bus = bnx2x_vf_bus(bp, vfid); |
2203 | vf->devfn = bnx2x_vf_devfn(bp, vfid); | |
b56e9670 AE |
2204 | bnx2x_vf_set_bars(bp, vf); |
2205 | ||
2206 | DP(BNX2X_MSG_IOV, | |
2207 | "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n", | |
2208 | vf->abs_vfid, vf->bus, vf->devfn, | |
2209 | (unsigned)vf->bars[0].bar, vf->bars[0].size, | |
2210 | (unsigned)vf->bars[1].bar, vf->bars[1].size, | |
2211 | (unsigned)vf->bars[2].bar, vf->bars[2].size); | |
b56e9670 AE |
2212 | } |
2213 | ||
2214 | return 0; | |
2215 | } | |
290ca2bb | 2216 | |
f1929b01 AE |
2217 | /* called by bnx2x_chip_cleanup */ |
2218 | int bnx2x_iov_chip_cleanup(struct bnx2x *bp) | |
2219 | { | |
2220 | int i; | |
2221 | ||
2222 | if (!IS_SRIOV(bp)) | |
2223 | return 0; | |
2224 | ||
2225 | /* release all the VFs */ | |
2226 | for_each_vf(bp, i) | |
2227 | bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */ | |
2228 | ||
2229 | return 0; | |
2230 | } | |
2231 | ||
290ca2bb AE |
2232 | /* called by bnx2x_init_hw_func, returns the next ilt line */ |
2233 | int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line) | |
2234 | { | |
2235 | int i; | |
2236 | struct bnx2x_ilt *ilt = BP_ILT(bp); | |
2237 | ||
2238 | if (!IS_SRIOV(bp)) | |
2239 | return line; | |
2240 | ||
2241 | /* set vfs ilt lines */ | |
2242 | for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) { | |
2243 | struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i); | |
2244 | ||
2245 | ilt->lines[line+i].page = hw_cxt->addr; | |
2246 | ilt->lines[line+i].page_mapping = hw_cxt->mapping; | |
2247 | ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */ | |
2248 | } | |
2249 | return line + i; | |
2250 | } | |
2251 | ||
fd1fc79d | 2252 | static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid) |
290ca2bb | 2253 | { |
fd1fc79d AE |
2254 | return ((cid >= BNX2X_FIRST_VF_CID) && |
2255 | ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS)); | |
2256 | } | |
2257 | ||
2258 | static | |
2259 | void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp, | |
2260 | struct bnx2x_vf_queue *vfq, | |
2261 | union event_ring_elem *elem) | |
2262 | { | |
2263 | unsigned long ramrod_flags = 0; | |
2264 | int rc = 0; | |
2265 | ||
2266 | /* Always push next commands out, don't wait here */ | |
2267 | set_bit(RAMROD_CONT, &ramrod_flags); | |
2268 | ||
2269 | switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) { | |
2270 | case BNX2X_FILTER_MAC_PENDING: | |
2271 | rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem, | |
2272 | &ramrod_flags); | |
2273 | break; | |
2274 | case BNX2X_FILTER_VLAN_PENDING: | |
2275 | rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem, | |
2276 | &ramrod_flags); | |
2277 | break; | |
2278 | default: | |
2279 | BNX2X_ERR("Unsupported classification command: %d\n", | |
2280 | elem->message.data.eth_event.echo); | |
2281 | return; | |
2282 | } | |
2283 | if (rc < 0) | |
2284 | BNX2X_ERR("Failed to schedule new commands: %d\n", rc); | |
2285 | else if (rc > 0) | |
2286 | DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n"); | |
2287 | } | |
2288 | ||
2289 | static | |
2290 | void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp, | |
2291 | struct bnx2x_virtf *vf) | |
2292 | { | |
2293 | struct bnx2x_mcast_ramrod_params rparam = {NULL}; | |
2294 | int rc; | |
2295 | ||
2296 | rparam.mcast_obj = &vf->mcast_obj; | |
2297 | vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw); | |
2298 | ||
2299 | /* If there are pending mcast commands - send them */ | |
2300 | if (vf->mcast_obj.check_pending(&vf->mcast_obj)) { | |
2301 | rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT); | |
2302 | if (rc < 0) | |
2303 | BNX2X_ERR("Failed to send pending mcast commands: %d\n", | |
2304 | rc); | |
2305 | } | |
2306 | } | |
2307 | ||
2308 | static | |
2309 | void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp, | |
2310 | struct bnx2x_virtf *vf) | |
2311 | { | |
2312 | smp_mb__before_clear_bit(); | |
2313 | clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state); | |
2314 | smp_mb__after_clear_bit(); | |
2315 | } | |
2316 | ||
2317 | int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem) | |
2318 | { | |
2319 | struct bnx2x_virtf *vf; | |
2320 | int qidx = 0, abs_vfid; | |
2321 | u8 opcode; | |
2322 | u16 cid = 0xffff; | |
2323 | ||
2324 | if (!IS_SRIOV(bp)) | |
2325 | return 1; | |
2326 | ||
2327 | /* first get the cid - the only events we handle here are cfc-delete | |
2328 | * and set-mac completion | |
2329 | */ | |
2330 | opcode = elem->message.opcode; | |
2331 | ||
2332 | switch (opcode) { | |
2333 | case EVENT_RING_OPCODE_CFC_DEL: | |
2334 | cid = SW_CID((__force __le32) | |
2335 | elem->message.data.cfc_del_event.cid); | |
2336 | DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid); | |
2337 | break; | |
2338 | case EVENT_RING_OPCODE_CLASSIFICATION_RULES: | |
2339 | case EVENT_RING_OPCODE_MULTICAST_RULES: | |
2340 | case EVENT_RING_OPCODE_FILTERS_RULES: | |
2341 | cid = (elem->message.data.eth_event.echo & | |
2342 | BNX2X_SWCID_MASK); | |
2343 | DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid); | |
2344 | break; | |
2345 | case EVENT_RING_OPCODE_VF_FLR: | |
2346 | abs_vfid = elem->message.data.vf_flr_event.vf_id; | |
2347 | DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n", | |
2348 | abs_vfid); | |
2349 | goto get_vf; | |
2350 | case EVENT_RING_OPCODE_MALICIOUS_VF: | |
2351 | abs_vfid = elem->message.data.malicious_vf_event.vf_id; | |
1d6f3cd8 DK |
2352 | DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d err_id=0x%x\n", |
2353 | abs_vfid, elem->message.data.malicious_vf_event.err_id); | |
fd1fc79d AE |
2354 | goto get_vf; |
2355 | default: | |
2356 | return 1; | |
2357 | } | |
2358 | ||
2359 | /* check if the cid is the VF range */ | |
2360 | if (!bnx2x_iov_is_vf_cid(bp, cid)) { | |
2361 | DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid); | |
2362 | return 1; | |
2363 | } | |
2364 | ||
2365 | /* extract vf and rxq index from vf_cid - relies on the following: | |
2366 | * 1. vfid on cid reflects the true abs_vfid | |
16a5fd92 | 2367 | * 2. The max number of VFs (per path) is 64 |
fd1fc79d AE |
2368 | */ |
2369 | qidx = cid & ((1 << BNX2X_VF_CID_WND)-1); | |
2370 | abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1); | |
2371 | get_vf: | |
2372 | vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); | |
2373 | ||
2374 | if (!vf) { | |
2375 | BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n", | |
2376 | cid, abs_vfid); | |
2377 | return 0; | |
2378 | } | |
2379 | ||
2380 | switch (opcode) { | |
2381 | case EVENT_RING_OPCODE_CFC_DEL: | |
2382 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n", | |
2383 | vf->abs_vfid, qidx); | |
2384 | vfq_get(vf, qidx)->sp_obj.complete_cmd(bp, | |
2385 | &vfq_get(vf, | |
2386 | qidx)->sp_obj, | |
2387 | BNX2X_Q_CMD_CFC_DEL); | |
2388 | break; | |
2389 | case EVENT_RING_OPCODE_CLASSIFICATION_RULES: | |
2390 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n", | |
2391 | vf->abs_vfid, qidx); | |
2392 | bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem); | |
2393 | break; | |
2394 | case EVENT_RING_OPCODE_MULTICAST_RULES: | |
2395 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n", | |
2396 | vf->abs_vfid, qidx); | |
2397 | bnx2x_vf_handle_mcast_eqe(bp, vf); | |
2398 | break; | |
2399 | case EVENT_RING_OPCODE_FILTERS_RULES: | |
2400 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n", | |
2401 | vf->abs_vfid, qidx); | |
2402 | bnx2x_vf_handle_filters_eqe(bp, vf); | |
2403 | break; | |
2404 | case EVENT_RING_OPCODE_VF_FLR: | |
2405 | DP(BNX2X_MSG_IOV, "got VF [%d] FLR notification\n", | |
2406 | vf->abs_vfid); | |
2407 | /* Do nothing for now */ | |
2408 | break; | |
2409 | case EVENT_RING_OPCODE_MALICIOUS_VF: | |
1d6f3cd8 DK |
2410 | DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d error id %x\n", |
2411 | abs_vfid, elem->message.data.malicious_vf_event.err_id); | |
fd1fc79d AE |
2412 | /* Do nothing for now */ |
2413 | break; | |
2414 | } | |
2415 | /* SRIOV: reschedule any 'in_progress' operations */ | |
2416 | bnx2x_iov_sp_event(bp, cid, false); | |
2417 | ||
2418 | return 0; | |
2419 | } | |
2420 | ||
2421 | static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid) | |
2422 | { | |
2423 | /* extract the vf from vf_cid - relies on the following: | |
2424 | * 1. vfid on cid reflects the true abs_vfid | |
16a5fd92 | 2425 | * 2. The max number of VFs (per path) is 64 |
fd1fc79d AE |
2426 | */ |
2427 | int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1); | |
2428 | return bnx2x_vf_by_abs_fid(bp, abs_vfid); | |
2429 | } | |
2430 | ||
2431 | void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid, | |
2432 | struct bnx2x_queue_sp_obj **q_obj) | |
2433 | { | |
2434 | struct bnx2x_virtf *vf; | |
2435 | ||
290ca2bb AE |
2436 | if (!IS_SRIOV(bp)) |
2437 | return; | |
2438 | ||
fd1fc79d AE |
2439 | vf = bnx2x_vf_by_cid(bp, vf_cid); |
2440 | ||
2441 | if (vf) { | |
2442 | /* extract queue index from vf_cid - relies on the following: | |
2443 | * 1. vfid on cid reflects the true abs_vfid | |
16a5fd92 | 2444 | * 2. The max number of VFs (per path) is 64 |
fd1fc79d AE |
2445 | */ |
2446 | int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1); | |
2447 | *q_obj = &bnx2x_vfq(vf, q_index, sp_obj); | |
2448 | } else { | |
2449 | BNX2X_ERR("No vf matching cid %d\n", vf_cid); | |
2450 | } | |
2451 | } | |
2452 | ||
2453 | void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work) | |
2454 | { | |
2455 | struct bnx2x_virtf *vf; | |
2456 | ||
2457 | /* check if the cid is the VF range */ | |
2458 | if (!IS_SRIOV(bp) || !bnx2x_iov_is_vf_cid(bp, vf_cid)) | |
2459 | return; | |
2460 | ||
2461 | vf = bnx2x_vf_by_cid(bp, vf_cid); | |
2462 | if (vf) { | |
2463 | /* set in_progress flag */ | |
2464 | atomic_set(&vf->op_in_progress, 1); | |
2465 | if (queue_work) | |
2466 | queue_delayed_work(bnx2x_wq, &bp->sp_task, 0); | |
2467 | } | |
2468 | } | |
2469 | ||
67c431a5 AE |
2470 | void bnx2x_iov_adjust_stats_req(struct bnx2x *bp) |
2471 | { | |
2472 | int i; | |
2473 | int first_queue_query_index, num_queues_req; | |
2474 | dma_addr_t cur_data_offset; | |
2475 | struct stats_query_entry *cur_query_entry; | |
2476 | u8 stats_count = 0; | |
2477 | bool is_fcoe = false; | |
2478 | ||
2479 | if (!IS_SRIOV(bp)) | |
2480 | return; | |
2481 | ||
2482 | if (!NO_FCOE(bp)) | |
2483 | is_fcoe = true; | |
2484 | ||
2485 | /* fcoe adds one global request and one queue request */ | |
2486 | num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe; | |
2487 | first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX - | |
2488 | (is_fcoe ? 0 : 1); | |
2489 | ||
2490 | DP(BNX2X_MSG_IOV, | |
2491 | "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", | |
2492 | BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index, | |
2493 | first_queue_query_index + num_queues_req); | |
2494 | ||
2495 | cur_data_offset = bp->fw_stats_data_mapping + | |
2496 | offsetof(struct bnx2x_fw_stats_data, queue_stats) + | |
2497 | num_queues_req * sizeof(struct per_queue_stats); | |
2498 | ||
2499 | cur_query_entry = &bp->fw_stats_req-> | |
2500 | query[first_queue_query_index + num_queues_req]; | |
2501 | ||
2502 | for_each_vf(bp, i) { | |
2503 | int j; | |
2504 | struct bnx2x_virtf *vf = BP_VF(bp, i); | |
2505 | ||
2506 | if (vf->state != VF_ENABLED) { | |
2507 | DP(BNX2X_MSG_IOV, | |
2508 | "vf %d not enabled so no stats for it\n", | |
2509 | vf->abs_vfid); | |
2510 | continue; | |
2511 | } | |
2512 | ||
2513 | DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid); | |
2514 | for_each_vfq(vf, j) { | |
2515 | struct bnx2x_vf_queue *rxq = vfq_get(vf, j); | |
2516 | ||
b9871bcf AE |
2517 | dma_addr_t q_stats_addr = |
2518 | vf->fw_stat_map + j * vf->stats_stride; | |
2519 | ||
67c431a5 AE |
2520 | /* collect stats fro active queues only */ |
2521 | if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) == | |
2522 | BNX2X_Q_LOGICAL_STATE_STOPPED) | |
2523 | continue; | |
2524 | ||
2525 | /* create stats query entry for this queue */ | |
2526 | cur_query_entry->kind = STATS_TYPE_QUEUE; | |
b9871bcf | 2527 | cur_query_entry->index = vfq_stat_id(vf, rxq); |
67c431a5 AE |
2528 | cur_query_entry->funcID = |
2529 | cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid)); | |
2530 | cur_query_entry->address.hi = | |
b9871bcf | 2531 | cpu_to_le32(U64_HI(q_stats_addr)); |
67c431a5 | 2532 | cur_query_entry->address.lo = |
b9871bcf | 2533 | cpu_to_le32(U64_LO(q_stats_addr)); |
67c431a5 AE |
2534 | DP(BNX2X_MSG_IOV, |
2535 | "added address %x %x for vf %d queue %d client %d\n", | |
2536 | cur_query_entry->address.hi, | |
2537 | cur_query_entry->address.lo, cur_query_entry->funcID, | |
2538 | j, cur_query_entry->index); | |
2539 | cur_query_entry++; | |
2540 | cur_data_offset += sizeof(struct per_queue_stats); | |
2541 | stats_count++; | |
b9871bcf AE |
2542 | |
2543 | /* all stats are coalesced to the leading queue */ | |
2544 | if (vf->cfg_flags & VF_CFG_STATS_COALESCE) | |
2545 | break; | |
67c431a5 AE |
2546 | } |
2547 | } | |
2548 | bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count; | |
2549 | } | |
2550 | ||
fd1fc79d AE |
2551 | void bnx2x_iov_sp_task(struct bnx2x *bp) |
2552 | { | |
2553 | int i; | |
2554 | ||
2555 | if (!IS_SRIOV(bp)) | |
2556 | return; | |
2557 | /* Iterate over all VFs and invoke state transition for VFs with | |
2558 | * 'in-progress' slow-path operations | |
2559 | */ | |
2560 | DP(BNX2X_MSG_IOV, "searching for pending vf operations\n"); | |
2561 | for_each_vf(bp, i) { | |
2562 | struct bnx2x_virtf *vf = BP_VF(bp, i); | |
2563 | ||
b9871bcf AE |
2564 | if (!vf) { |
2565 | BNX2X_ERR("VF was null! skipping...\n"); | |
2566 | continue; | |
2567 | } | |
2568 | ||
fd1fc79d AE |
2569 | if (!list_empty(&vf->op_list_head) && |
2570 | atomic_read(&vf->op_in_progress)) { | |
2571 | DP(BNX2X_MSG_IOV, "running pending op for vf %d\n", i); | |
2572 | bnx2x_vfop_cur(bp, vf)->transition(bp, vf); | |
2573 | } | |
2574 | } | |
290ca2bb | 2575 | } |
67c431a5 AE |
2576 | |
2577 | static inline | |
2578 | struct bnx2x_virtf *__vf_from_stat_id(struct bnx2x *bp, u8 stat_id) | |
2579 | { | |
2580 | int i; | |
2581 | struct bnx2x_virtf *vf = NULL; | |
2582 | ||
2583 | for_each_vf(bp, i) { | |
2584 | vf = BP_VF(bp, i); | |
2585 | if (stat_id >= vf->igu_base_id && | |
2586 | stat_id < vf->igu_base_id + vf_sb_count(vf)) | |
2587 | break; | |
2588 | } | |
2589 | return vf; | |
2590 | } | |
2591 | ||
2592 | /* VF API helpers */ | |
b93288d5 AE |
2593 | static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid, |
2594 | u8 enable) | |
2595 | { | |
2596 | u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4; | |
2597 | u32 val = enable ? (abs_vfid | (1 << 6)) : 0; | |
2598 | ||
2599 | REG_WR(bp, reg, val); | |
2600 | } | |
8ca5e17e | 2601 | |
99e9d211 AE |
2602 | static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf) |
2603 | { | |
2604 | int i; | |
2605 | ||
2606 | for_each_vfq(vf, i) | |
2607 | bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid, | |
2608 | vfq_qzone_id(vf, vfq_get(vf, i)), false); | |
2609 | } | |
2610 | ||
2611 | static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
2612 | { | |
2613 | u32 val; | |
2614 | ||
2615 | /* clear the VF configuration - pretend */ | |
2616 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); | |
2617 | val = REG_RD(bp, IGU_REG_VF_CONFIGURATION); | |
2618 | val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN | | |
2619 | IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK); | |
2620 | REG_WR(bp, IGU_REG_VF_CONFIGURATION, val); | |
2621 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); | |
2622 | } | |
2623 | ||
8ca5e17e AE |
2624 | u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf) |
2625 | { | |
2626 | return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF), | |
2627 | BNX2X_VF_MAX_QUEUES); | |
2628 | } | |
2629 | ||
2630 | static | |
2631 | int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf, | |
2632 | struct vf_pf_resc_request *req_resc) | |
2633 | { | |
2634 | u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf); | |
2635 | u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf); | |
2636 | ||
2637 | return ((req_resc->num_rxqs <= rxq_cnt) && | |
2638 | (req_resc->num_txqs <= txq_cnt) && | |
2639 | (req_resc->num_sbs <= vf_sb_count(vf)) && | |
2640 | (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) && | |
2641 | (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf))); | |
2642 | } | |
2643 | ||
2644 | /* CORE VF API */ | |
2645 | int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf, | |
2646 | struct vf_pf_resc_request *resc) | |
2647 | { | |
2648 | int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) * | |
2649 | BNX2X_CIDS_PER_VF; | |
2650 | ||
2651 | union cdu_context *base_cxt = (union cdu_context *) | |
2652 | BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr + | |
2653 | (base_vf_cid & (ILT_PAGE_CIDS-1)); | |
2654 | int i; | |
2655 | ||
2656 | /* if state is 'acquired' the VF was not released or FLR'd, in | |
2657 | * this case the returned resources match the acquired already | |
2658 | * acquired resources. Verify that the requested numbers do | |
2659 | * not exceed the already acquired numbers. | |
2660 | */ | |
2661 | if (vf->state == VF_ACQUIRED) { | |
2662 | DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n", | |
2663 | vf->abs_vfid); | |
2664 | ||
2665 | if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) { | |
2666 | BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n", | |
2667 | vf->abs_vfid); | |
2668 | return -EINVAL; | |
2669 | } | |
2670 | return 0; | |
2671 | } | |
2672 | ||
2673 | /* Otherwise vf state must be 'free' or 'reset' */ | |
2674 | if (vf->state != VF_FREE && vf->state != VF_RESET) { | |
2675 | BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n", | |
2676 | vf->abs_vfid, vf->state); | |
2677 | return -EINVAL; | |
2678 | } | |
2679 | ||
2680 | /* static allocation: | |
16a5fd92 | 2681 | * the global maximum number are fixed per VF. Fail the request if |
8ca5e17e AE |
2682 | * requested number exceed these globals |
2683 | */ | |
2684 | if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) { | |
2685 | DP(BNX2X_MSG_IOV, | |
2686 | "cannot fulfill vf resource request. Placing maximal available values in response\n"); | |
2687 | /* set the max resource in the vf */ | |
2688 | return -ENOMEM; | |
2689 | } | |
2690 | ||
2691 | /* Set resources counters - 0 request means max available */ | |
2692 | vf_sb_count(vf) = resc->num_sbs; | |
2693 | vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf); | |
2694 | vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf); | |
2695 | if (resc->num_mac_filters) | |
2696 | vf_mac_rules_cnt(vf) = resc->num_mac_filters; | |
2697 | if (resc->num_vlan_filters) | |
2698 | vf_vlan_rules_cnt(vf) = resc->num_vlan_filters; | |
2699 | ||
2700 | DP(BNX2X_MSG_IOV, | |
2701 | "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n", | |
2702 | vf_sb_count(vf), vf_rxq_count(vf), | |
2703 | vf_txq_count(vf), vf_mac_rules_cnt(vf), | |
2704 | vf_vlan_rules_cnt(vf)); | |
2705 | ||
2706 | /* Initialize the queues */ | |
2707 | if (!vf->vfqs) { | |
2708 | DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n"); | |
2709 | return -EINVAL; | |
2710 | } | |
2711 | ||
2712 | for_each_vfq(vf, i) { | |
2713 | struct bnx2x_vf_queue *q = vfq_get(vf, i); | |
2714 | ||
2715 | if (!q) { | |
b9871bcf | 2716 | BNX2X_ERR("q number %d was not allocated\n", i); |
8ca5e17e AE |
2717 | return -EINVAL; |
2718 | } | |
2719 | ||
2720 | q->index = i; | |
2721 | q->cxt = &((base_cxt + i)->eth); | |
2722 | q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i; | |
2723 | ||
2724 | DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n", | |
2725 | vf->abs_vfid, i, q->index, q->cid, q->cxt); | |
2726 | ||
2727 | /* init SP objects */ | |
2728 | bnx2x_vfq_init(bp, vf, q); | |
2729 | } | |
2730 | vf->state = VF_ACQUIRED; | |
2731 | return 0; | |
2732 | } | |
2733 | ||
b93288d5 AE |
2734 | int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map) |
2735 | { | |
2736 | struct bnx2x_func_init_params func_init = {0}; | |
2737 | u16 flags = 0; | |
2738 | int i; | |
2739 | ||
2740 | /* the sb resources are initialized at this point, do the | |
2741 | * FW/HW initializations | |
2742 | */ | |
2743 | for_each_vf_sb(vf, i) | |
2744 | bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true, | |
2745 | vf_igu_sb(vf, i), vf_igu_sb(vf, i)); | |
2746 | ||
2747 | /* Sanity checks */ | |
2748 | if (vf->state != VF_ACQUIRED) { | |
2749 | DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n", | |
2750 | vf->abs_vfid, vf->state); | |
2751 | return -EINVAL; | |
2752 | } | |
03c22ea3 AE |
2753 | |
2754 | /* let FLR complete ... */ | |
2755 | msleep(100); | |
2756 | ||
b93288d5 AE |
2757 | /* FLR cleanup epilogue */ |
2758 | if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid)) | |
2759 | return -EBUSY; | |
2760 | ||
2761 | /* reset IGU VF statistics: MSIX */ | |
2762 | REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0); | |
2763 | ||
2764 | /* vf init */ | |
2765 | if (vf->cfg_flags & VF_CFG_STATS) | |
2766 | flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ); | |
2767 | ||
2768 | if (vf->cfg_flags & VF_CFG_TPA) | |
2769 | flags |= FUNC_FLG_TPA; | |
2770 | ||
2771 | if (is_vf_multi(vf)) | |
2772 | flags |= FUNC_FLG_RSS; | |
2773 | ||
2774 | /* function setup */ | |
2775 | func_init.func_flgs = flags; | |
2776 | func_init.pf_id = BP_FUNC(bp); | |
2777 | func_init.func_id = FW_VF_HANDLE(vf->abs_vfid); | |
2778 | func_init.fw_stat_map = vf->fw_stat_map; | |
2779 | func_init.spq_map = vf->spq_map; | |
2780 | func_init.spq_prod = 0; | |
2781 | bnx2x_func_init(bp, &func_init); | |
2782 | ||
2783 | /* Enable the vf */ | |
2784 | bnx2x_vf_enable_access(bp, vf->abs_vfid); | |
2785 | bnx2x_vf_enable_traffic(bp, vf); | |
2786 | ||
2787 | /* queue protection table */ | |
2788 | for_each_vfq(vf, i) | |
2789 | bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid, | |
2790 | vfq_qzone_id(vf, vfq_get(vf, i)), true); | |
2791 | ||
2792 | vf->state = VF_ENABLED; | |
2793 | ||
abc5a021 AE |
2794 | /* update vf bulletin board */ |
2795 | bnx2x_post_vf_bulletin(bp, vf->index); | |
2796 | ||
b93288d5 AE |
2797 | return 0; |
2798 | } | |
2799 | ||
a3097bda AE |
2800 | struct set_vf_state_cookie { |
2801 | struct bnx2x_virtf *vf; | |
2802 | u8 state; | |
2803 | }; | |
2804 | ||
2805 | void bnx2x_set_vf_state(void *cookie) | |
2806 | { | |
2807 | struct set_vf_state_cookie *p = (struct set_vf_state_cookie *)cookie; | |
2808 | ||
2809 | p->vf->state = p->state; | |
2810 | } | |
2811 | ||
99e9d211 AE |
2812 | /* VFOP close (teardown the queues, delete mcasts and close HW) */ |
2813 | static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
2814 | { | |
2815 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); | |
2816 | struct bnx2x_vfop_args_qx *qx = &vfop->args.qx; | |
2817 | enum bnx2x_vfop_close_state state = vfop->state; | |
2818 | struct bnx2x_vfop_cmd cmd = { | |
2819 | .done = bnx2x_vfop_close, | |
2820 | .block = false, | |
2821 | }; | |
2822 | ||
2823 | if (vfop->rc < 0) | |
2824 | goto op_err; | |
2825 | ||
2826 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); | |
2827 | ||
2828 | switch (state) { | |
2829 | case BNX2X_VFOP_CLOSE_QUEUES: | |
2830 | ||
2831 | if (++(qx->qid) < vf_rxq_count(vf)) { | |
2832 | vfop->rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qx->qid); | |
2833 | if (vfop->rc) | |
2834 | goto op_err; | |
2835 | return; | |
2836 | } | |
2837 | ||
2838 | /* remove multicasts */ | |
2839 | vfop->state = BNX2X_VFOP_CLOSE_HW; | |
2840 | vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, 0, false); | |
2841 | if (vfop->rc) | |
2842 | goto op_err; | |
2843 | return; | |
2844 | ||
2845 | case BNX2X_VFOP_CLOSE_HW: | |
2846 | ||
2847 | /* disable the interrupts */ | |
2848 | DP(BNX2X_MSG_IOV, "disabling igu\n"); | |
2849 | bnx2x_vf_igu_disable(bp, vf); | |
2850 | ||
2851 | /* disable the VF */ | |
2852 | DP(BNX2X_MSG_IOV, "clearing qtbl\n"); | |
2853 | bnx2x_vf_clr_qtbl(bp, vf); | |
2854 | ||
2855 | goto op_done; | |
2856 | default: | |
2857 | bnx2x_vfop_default(state); | |
2858 | } | |
2859 | op_err: | |
2860 | BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc); | |
2861 | op_done: | |
a3097bda AE |
2862 | |
2863 | /* need to make sure there are no outstanding stats ramrods which may | |
2864 | * cause the device to access the VF's stats buffer which it will free | |
2865 | * as soon as we return from the close flow. | |
2866 | */ | |
2867 | { | |
2868 | struct set_vf_state_cookie cookie; | |
2869 | ||
2870 | cookie.vf = vf; | |
2871 | cookie.state = VF_ACQUIRED; | |
2872 | bnx2x_stats_safe_exec(bp, bnx2x_set_vf_state, &cookie); | |
2873 | } | |
2874 | ||
99e9d211 AE |
2875 | DP(BNX2X_MSG_IOV, "set state to acquired\n"); |
2876 | bnx2x_vfop_end(bp, vf, vfop); | |
2877 | } | |
2878 | ||
2879 | int bnx2x_vfop_close_cmd(struct bnx2x *bp, | |
2880 | struct bnx2x_virtf *vf, | |
2881 | struct bnx2x_vfop_cmd *cmd) | |
2882 | { | |
2883 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); | |
2884 | if (vfop) { | |
2885 | vfop->args.qx.qid = -1; /* loop */ | |
2886 | bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES, | |
2887 | bnx2x_vfop_close, cmd->done); | |
2888 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_close, | |
2889 | cmd->block); | |
2890 | } | |
2891 | return -ENOMEM; | |
2892 | } | |
2893 | ||
16a5fd92 | 2894 | /* VF release can be called either: 1. The VF was acquired but |
f1929b01 AE |
2895 | * not enabled 2. the vf was enabled or in the process of being |
2896 | * enabled | |
2897 | */ | |
2898 | static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
2899 | { | |
2900 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); | |
2901 | struct bnx2x_vfop_cmd cmd = { | |
2902 | .done = bnx2x_vfop_release, | |
2903 | .block = false, | |
2904 | }; | |
2905 | ||
2906 | DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc); | |
2907 | ||
2908 | if (vfop->rc < 0) | |
2909 | goto op_err; | |
2910 | ||
2911 | DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid, | |
2912 | vf->state == VF_FREE ? "Free" : | |
2913 | vf->state == VF_ACQUIRED ? "Acquired" : | |
2914 | vf->state == VF_ENABLED ? "Enabled" : | |
2915 | vf->state == VF_RESET ? "Reset" : | |
2916 | "Unknown"); | |
2917 | ||
2918 | switch (vf->state) { | |
2919 | case VF_ENABLED: | |
2920 | vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd); | |
2921 | if (vfop->rc) | |
2922 | goto op_err; | |
2923 | return; | |
2924 | ||
2925 | case VF_ACQUIRED: | |
2926 | DP(BNX2X_MSG_IOV, "about to free resources\n"); | |
2927 | bnx2x_vf_free_resc(bp, vf); | |
2928 | DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc); | |
2929 | goto op_done; | |
2930 | ||
2931 | case VF_FREE: | |
2932 | case VF_RESET: | |
2933 | /* do nothing */ | |
2934 | goto op_done; | |
2935 | default: | |
2936 | bnx2x_vfop_default(vf->state); | |
2937 | } | |
2938 | op_err: | |
2939 | BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc); | |
2940 | op_done: | |
2941 | bnx2x_vfop_end(bp, vf, vfop); | |
2942 | } | |
2943 | ||
b9871bcf AE |
2944 | static void bnx2x_vfop_rss(struct bnx2x *bp, struct bnx2x_virtf *vf) |
2945 | { | |
2946 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); | |
2947 | enum bnx2x_vfop_rss_state state; | |
2948 | ||
2949 | if (!vfop) { | |
2950 | BNX2X_ERR("vfop was null\n"); | |
2951 | return; | |
2952 | } | |
2953 | ||
2954 | state = vfop->state; | |
2955 | bnx2x_vfop_reset_wq(vf); | |
2956 | ||
2957 | if (vfop->rc < 0) | |
2958 | goto op_err; | |
2959 | ||
2960 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); | |
2961 | ||
2962 | switch (state) { | |
2963 | case BNX2X_VFOP_RSS_CONFIG: | |
2964 | /* next state */ | |
2965 | vfop->state = BNX2X_VFOP_RSS_DONE; | |
2966 | bnx2x_config_rss(bp, &vfop->op_p->rss); | |
2967 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); | |
2968 | op_err: | |
2969 | BNX2X_ERR("RSS error: rc %d\n", vfop->rc); | |
2970 | op_done: | |
2971 | case BNX2X_VFOP_RSS_DONE: | |
2972 | bnx2x_vfop_end(bp, vf, vfop); | |
2973 | return; | |
2974 | default: | |
2975 | bnx2x_vfop_default(state); | |
2976 | } | |
2977 | op_pending: | |
2978 | return; | |
2979 | } | |
2980 | ||
f1929b01 AE |
2981 | int bnx2x_vfop_release_cmd(struct bnx2x *bp, |
2982 | struct bnx2x_virtf *vf, | |
2983 | struct bnx2x_vfop_cmd *cmd) | |
2984 | { | |
2985 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); | |
2986 | if (vfop) { | |
2987 | bnx2x_vfop_opset(-1, /* use vf->state */ | |
2988 | bnx2x_vfop_release, cmd->done); | |
2989 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release, | |
2990 | cmd->block); | |
2991 | } | |
2992 | return -ENOMEM; | |
2993 | } | |
2994 | ||
b9871bcf AE |
2995 | int bnx2x_vfop_rss_cmd(struct bnx2x *bp, |
2996 | struct bnx2x_virtf *vf, | |
2997 | struct bnx2x_vfop_cmd *cmd) | |
2998 | { | |
2999 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); | |
3000 | ||
3001 | if (vfop) { | |
3002 | bnx2x_vfop_opset(BNX2X_VFOP_RSS_CONFIG, bnx2x_vfop_rss, | |
3003 | cmd->done); | |
3004 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rss, | |
3005 | cmd->block); | |
3006 | } | |
3007 | return -ENOMEM; | |
3008 | } | |
3009 | ||
f1929b01 AE |
3010 | /* VF release ~ VF close + VF release-resources |
3011 | * Release is the ultimate SW shutdown and is called whenever an | |
3012 | * irrecoverable error is encountered. | |
3013 | */ | |
3014 | void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block) | |
3015 | { | |
3016 | struct bnx2x_vfop_cmd cmd = { | |
3017 | .done = NULL, | |
3018 | .block = block, | |
3019 | }; | |
3020 | int rc; | |
b9871bcf AE |
3021 | |
3022 | DP(BNX2X_MSG_IOV, "PF releasing vf %d\n", vf->abs_vfid); | |
f1929b01 AE |
3023 | bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF); |
3024 | ||
3025 | rc = bnx2x_vfop_release_cmd(bp, vf, &cmd); | |
3026 | if (rc) | |
3027 | WARN(rc, | |
3028 | "VF[%d] Failed to allocate resources for release op- rc=%d\n", | |
3029 | vf->abs_vfid, rc); | |
3030 | } | |
3031 | ||
3032 | static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp, | |
3033 | struct bnx2x_virtf *vf, u32 *sbdf) | |
3034 | { | |
3035 | *sbdf = vf->devfn | (vf->bus << 8); | |
3036 | } | |
3037 | ||
3038 | static inline void bnx2x_vf_get_bars(struct bnx2x *bp, struct bnx2x_virtf *vf, | |
3039 | struct bnx2x_vf_bar_info *bar_info) | |
3040 | { | |
3041 | int n; | |
3042 | ||
3043 | bar_info->nr_bars = bp->vfdb->sriov.nres; | |
3044 | for (n = 0; n < bar_info->nr_bars; n++) | |
3045 | bar_info->bars[n] = vf->bars[n]; | |
3046 | } | |
3047 | ||
8ca5e17e AE |
3048 | void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf, |
3049 | enum channel_tlvs tlv) | |
3050 | { | |
b9871bcf AE |
3051 | /* we don't lock the channel for unsupported tlvs */ |
3052 | if (!bnx2x_tlv_supported(tlv)) { | |
3053 | BNX2X_ERR("attempting to lock with unsupported tlv. Aborting\n"); | |
3054 | return; | |
3055 | } | |
3056 | ||
8ca5e17e AE |
3057 | /* lock the channel */ |
3058 | mutex_lock(&vf->op_mutex); | |
3059 | ||
3060 | /* record the locking op */ | |
3061 | vf->op_current = tlv; | |
3062 | ||
3063 | /* log the lock */ | |
3064 | DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n", | |
3065 | vf->abs_vfid, tlv); | |
3066 | } | |
3067 | ||
3068 | void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf, | |
3069 | enum channel_tlvs expected_tlv) | |
3070 | { | |
b9871bcf AE |
3071 | enum channel_tlvs current_tlv; |
3072 | ||
3073 | if (!vf) { | |
3074 | BNX2X_ERR("VF was %p\n", vf); | |
3075 | return; | |
3076 | } | |
3077 | ||
3078 | current_tlv = vf->op_current; | |
3079 | ||
3080 | /* we don't unlock the channel for unsupported tlvs */ | |
3081 | if (!bnx2x_tlv_supported(expected_tlv)) | |
3082 | return; | |
3083 | ||
8ca5e17e AE |
3084 | WARN(expected_tlv != vf->op_current, |
3085 | "lock mismatch: expected %d found %d", expected_tlv, | |
3086 | vf->op_current); | |
3087 | ||
b9871bcf AE |
3088 | /* record the locking op */ |
3089 | vf->op_current = CHANNEL_TLV_NONE; | |
3090 | ||
8ca5e17e AE |
3091 | /* lock the channel */ |
3092 | mutex_unlock(&vf->op_mutex); | |
3093 | ||
3094 | /* log the unlock */ | |
3095 | DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n", | |
3096 | vf->abs_vfid, vf->op_current); | |
8ca5e17e | 3097 | } |
6411280a | 3098 | |
3c76feff | 3099 | int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param) |
6411280a | 3100 | { |
3c76feff | 3101 | struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev)); |
6411280a | 3102 | |
3c76feff AE |
3103 | DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n", |
3104 | num_vfs_param, BNX2X_NR_VIRTFN(bp)); | |
3105 | ||
3106 | /* HW channel is only operational when PF is up */ | |
3107 | if (bp->state != BNX2X_STATE_OPEN) { | |
6bf07b8e | 3108 | BNX2X_ERR("VF num configuration via sysfs not supported while PF is down\n"); |
3c76feff AE |
3109 | return -EINVAL; |
3110 | } | |
3111 | ||
3112 | /* we are always bound by the total_vfs in the configuration space */ | |
3113 | if (num_vfs_param > BNX2X_NR_VIRTFN(bp)) { | |
3114 | BNX2X_ERR("truncating requested number of VFs (%d) down to maximum allowed (%d)\n", | |
3115 | num_vfs_param, BNX2X_NR_VIRTFN(bp)); | |
3116 | num_vfs_param = BNX2X_NR_VIRTFN(bp); | |
3117 | } | |
3118 | ||
3119 | bp->requested_nr_virtfn = num_vfs_param; | |
3120 | if (num_vfs_param == 0) { | |
3121 | pci_disable_sriov(dev); | |
3122 | return 0; | |
3123 | } else { | |
3124 | return bnx2x_enable_sriov(bp); | |
3125 | } | |
3126 | } | |
b9871bcf | 3127 | #define IGU_ENTRY_SIZE 4 |
3c76feff AE |
3128 | |
3129 | int bnx2x_enable_sriov(struct bnx2x *bp) | |
3130 | { | |
3131 | int rc = 0, req_vfs = bp->requested_nr_virtfn; | |
b9871bcf AE |
3132 | int vf_idx, sb_idx, vfq_idx, qcount, first_vf; |
3133 | u32 igu_entry, address; | |
3134 | u16 num_vf_queues; | |
3c76feff | 3135 | |
b9871bcf AE |
3136 | if (req_vfs == 0) |
3137 | return 0; | |
3138 | ||
3139 | first_vf = bp->vfdb->sriov.first_vf_in_pf; | |
3140 | ||
3141 | /* statically distribute vf sb pool between VFs */ | |
3142 | num_vf_queues = min_t(u16, BNX2X_VF_MAX_QUEUES, | |
3143 | BP_VFDB(bp)->vf_sbs_pool / req_vfs); | |
3144 | ||
3145 | /* zero previous values learned from igu cam */ | |
3146 | for (vf_idx = 0; vf_idx < req_vfs; vf_idx++) { | |
3147 | struct bnx2x_virtf *vf = BP_VF(bp, vf_idx); | |
3148 | ||
3149 | vf->sb_count = 0; | |
3150 | vf_sb_count(BP_VF(bp, vf_idx)) = 0; | |
3151 | } | |
3152 | bp->vfdb->vf_sbs_pool = 0; | |
3153 | ||
3154 | /* prepare IGU cam */ | |
3155 | sb_idx = BP_VFDB(bp)->first_vf_igu_entry; | |
3156 | address = IGU_REG_MAPPING_MEMORY + sb_idx * IGU_ENTRY_SIZE; | |
3157 | for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) { | |
3158 | for (vfq_idx = 0; vfq_idx < num_vf_queues; vfq_idx++) { | |
3159 | igu_entry = vf_idx << IGU_REG_MAPPING_MEMORY_FID_SHIFT | | |
3160 | vfq_idx << IGU_REG_MAPPING_MEMORY_VECTOR_SHIFT | | |
3161 | IGU_REG_MAPPING_MEMORY_VALID; | |
3162 | DP(BNX2X_MSG_IOV, "assigning sb %d to vf %d\n", | |
3163 | sb_idx, vf_idx); | |
3164 | REG_WR(bp, address, igu_entry); | |
3165 | sb_idx++; | |
3166 | address += IGU_ENTRY_SIZE; | |
3167 | } | |
3168 | } | |
3169 | ||
3170 | /* Reinitialize vf database according to igu cam */ | |
3171 | bnx2x_get_vf_igu_cam_info(bp); | |
3172 | ||
3173 | DP(BNX2X_MSG_IOV, "vf_sbs_pool %d, num_vf_queues %d\n", | |
3174 | BP_VFDB(bp)->vf_sbs_pool, num_vf_queues); | |
3175 | ||
3176 | qcount = 0; | |
3177 | for_each_vf(bp, vf_idx) { | |
3178 | struct bnx2x_virtf *vf = BP_VF(bp, vf_idx); | |
3179 | ||
3180 | /* set local queue arrays */ | |
3181 | vf->vfqs = &bp->vfdb->vfqs[qcount]; | |
3182 | qcount += vf_sb_count(vf); | |
717fa2b9 | 3183 | bnx2x_iov_static_resc(bp, vf); |
b9871bcf AE |
3184 | } |
3185 | ||
3186 | /* prepare msix vectors in VF configuration space */ | |
3187 | for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) { | |
3188 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf_idx)); | |
3189 | REG_WR(bp, PCICFG_OFFSET + GRC_CONFIG_REG_VF_MSIX_CONTROL, | |
3190 | num_vf_queues); | |
717fa2b9 AE |
3191 | DP(BNX2X_MSG_IOV, "set msix vec num in VF %d cfg space to %d\n", |
3192 | vf_idx, num_vf_queues); | |
b9871bcf AE |
3193 | } |
3194 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); | |
3195 | ||
3196 | /* enable sriov. This will probe all the VFs, and consequentially cause | |
3197 | * the "acquire" messages to appear on the VF PF channel. | |
3198 | */ | |
3199 | DP(BNX2X_MSG_IOV, "about to call enable sriov\n"); | |
3200 | pci_disable_sriov(bp->pdev); | |
3c76feff AE |
3201 | rc = pci_enable_sriov(bp->pdev, req_vfs); |
3202 | if (rc) { | |
6411280a | 3203 | BNX2X_ERR("pci_enable_sriov failed with %d\n", rc); |
3c76feff AE |
3204 | return rc; |
3205 | } | |
3206 | DP(BNX2X_MSG_IOV, "sriov enabled (%d vfs)\n", req_vfs); | |
3207 | return req_vfs; | |
6411280a AE |
3208 | } |
3209 | ||
3ec9f9ca AE |
3210 | void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp) |
3211 | { | |
3212 | int vfidx; | |
3213 | struct pf_vf_bulletin_content *bulletin; | |
3214 | ||
3215 | DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n"); | |
3216 | for_each_vf(bp, vfidx) { | |
3217 | bulletin = BP_VF_BULLETIN(bp, vfidx); | |
3218 | if (BP_VF(bp, vfidx)->cfg_flags & VF_CFG_VLAN) | |
3219 | bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0); | |
3220 | } | |
3221 | } | |
3222 | ||
3c76feff AE |
3223 | void bnx2x_disable_sriov(struct bnx2x *bp) |
3224 | { | |
3225 | pci_disable_sriov(bp->pdev); | |
3226 | } | |
3227 | ||
b9871bcf AE |
3228 | int bnx2x_vf_ndo_prep(struct bnx2x *bp, int vfidx, struct bnx2x_virtf **vf, |
3229 | struct pf_vf_bulletin_content **bulletin) | |
3ec9f9ca | 3230 | { |
af902ae4 AE |
3231 | if (bp->state != BNX2X_STATE_OPEN) { |
3232 | BNX2X_ERR("vf ndo called though PF is down\n"); | |
3233 | return -EINVAL; | |
3234 | } | |
3235 | ||
3ec9f9ca AE |
3236 | if (!IS_SRIOV(bp)) { |
3237 | BNX2X_ERR("vf ndo called though sriov is disabled\n"); | |
3238 | return -EINVAL; | |
3239 | } | |
3240 | ||
3241 | if (vfidx >= BNX2X_NR_VIRTFN(bp)) { | |
3242 | BNX2X_ERR("vf ndo called for uninitialized VF. vfidx was %d BNX2X_NR_VIRTFN was %d\n", | |
3243 | vfidx, BNX2X_NR_VIRTFN(bp)); | |
3244 | return -EINVAL; | |
3245 | } | |
3246 | ||
5ae30d78 AE |
3247 | /* init members */ |
3248 | *vf = BP_VF(bp, vfidx); | |
3249 | *bulletin = BP_VF_BULLETIN(bp, vfidx); | |
3250 | ||
3251 | if (!*vf) { | |
b9871bcf AE |
3252 | BNX2X_ERR("vf ndo called but vf struct is null. vfidx was %d\n", |
3253 | vfidx); | |
3254 | return -EINVAL; | |
3255 | } | |
3256 | ||
3257 | if (!(*vf)->vfqs) { | |
3258 | BNX2X_ERR("vf ndo called but vfqs struct is null. Was ndo invoked before dynamically enabling SR-IOV? vfidx was %d\n", | |
3ec9f9ca AE |
3259 | vfidx); |
3260 | return -EINVAL; | |
3261 | } | |
3262 | ||
5ae30d78 AE |
3263 | if (!*bulletin) { |
3264 | BNX2X_ERR("vf ndo called but Bulletin Board struct is null. vfidx was %d\n", | |
3265 | vfidx); | |
3266 | return -EINVAL; | |
3267 | } | |
3268 | ||
3ec9f9ca AE |
3269 | return 0; |
3270 | } | |
3271 | ||
3272 | int bnx2x_get_vf_config(struct net_device *dev, int vfidx, | |
3273 | struct ifla_vf_info *ivi) | |
3274 | { | |
3275 | struct bnx2x *bp = netdev_priv(dev); | |
5ae30d78 AE |
3276 | struct bnx2x_virtf *vf = NULL; |
3277 | struct pf_vf_bulletin_content *bulletin = NULL; | |
3278 | struct bnx2x_vlan_mac_obj *mac_obj; | |
3279 | struct bnx2x_vlan_mac_obj *vlan_obj; | |
3ec9f9ca AE |
3280 | int rc; |
3281 | ||
5ae30d78 AE |
3282 | /* sanity and init */ |
3283 | rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin); | |
3ec9f9ca AE |
3284 | if (rc) |
3285 | return rc; | |
b9871bcf AE |
3286 | mac_obj = &bnx2x_leading_vfq(vf, mac_obj); |
3287 | vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj); | |
5ae30d78 | 3288 | if (!mac_obj || !vlan_obj) { |
3c76feff AE |
3289 | BNX2X_ERR("VF partially initialized\n"); |
3290 | return -EINVAL; | |
3291 | } | |
3ec9f9ca AE |
3292 | |
3293 | ivi->vf = vfidx; | |
3294 | ivi->qos = 0; | |
3295 | ivi->tx_rate = 10000; /* always 10G. TBA take from link struct */ | |
3296 | ivi->spoofchk = 1; /*always enabled */ | |
3297 | if (vf->state == VF_ENABLED) { | |
3298 | /* mac and vlan are in vlan_mac objects */ | |
b9871bcf AE |
3299 | if (validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj))) |
3300 | mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac, | |
3301 | 0, ETH_ALEN); | |
3302 | if (validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, vlan_obj))) | |
3303 | vlan_obj->get_n_elements(bp, vlan_obj, 1, | |
3304 | (u8 *)&ivi->vlan, 0, | |
3305 | VLAN_HLEN); | |
3ec9f9ca AE |
3306 | } else { |
3307 | /* mac */ | |
3308 | if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID)) | |
3309 | /* mac configured by ndo so its in bulletin board */ | |
3310 | memcpy(&ivi->mac, bulletin->mac, ETH_ALEN); | |
3311 | else | |
16a5fd92 | 3312 | /* function has not been loaded yet. Show mac as 0s */ |
3ec9f9ca AE |
3313 | memset(&ivi->mac, 0, ETH_ALEN); |
3314 | ||
3315 | /* vlan */ | |
3316 | if (bulletin->valid_bitmap & (1 << VLAN_VALID)) | |
3317 | /* vlan configured by ndo so its in bulletin board */ | |
3318 | memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN); | |
3319 | else | |
16a5fd92 | 3320 | /* function has not been loaded yet. Show vlans as 0s */ |
3ec9f9ca AE |
3321 | memset(&ivi->vlan, 0, VLAN_HLEN); |
3322 | } | |
3323 | ||
3324 | return 0; | |
3325 | } | |
3326 | ||
6411280a AE |
3327 | /* New mac for VF. Consider these cases: |
3328 | * 1. VF hasn't been acquired yet - save the mac in local bulletin board and | |
3329 | * supply at acquire. | |
3330 | * 2. VF has already been acquired but has not yet initialized - store in local | |
3331 | * bulletin board. mac will be posted on VF bulletin board after VF init. VF | |
3332 | * will configure this mac when it is ready. | |
3333 | * 3. VF has already initialized but has not yet setup a queue - post the new | |
3334 | * mac on VF's bulletin board right now. VF will configure this mac when it | |
3335 | * is ready. | |
3336 | * 4. VF has already set a queue - delete any macs already configured for this | |
3337 | * queue and manually config the new mac. | |
3338 | * In any event, once this function has been called refuse any attempts by the | |
3339 | * VF to configure any mac for itself except for this mac. In case of a race | |
3340 | * where the VF fails to see the new post on its bulletin board before sending a | |
3341 | * mac configuration request, the PF will simply fail the request and VF can try | |
3ec9f9ca | 3342 | * again after consulting its bulletin board. |
6411280a | 3343 | */ |
3ec9f9ca | 3344 | int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac) |
6411280a AE |
3345 | { |
3346 | struct bnx2x *bp = netdev_priv(dev); | |
3ec9f9ca | 3347 | int rc, q_logical_state; |
5ae30d78 AE |
3348 | struct bnx2x_virtf *vf = NULL; |
3349 | struct pf_vf_bulletin_content *bulletin = NULL; | |
6411280a | 3350 | |
5ae30d78 AE |
3351 | /* sanity and init */ |
3352 | rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin); | |
3ec9f9ca AE |
3353 | if (rc) |
3354 | return rc; | |
6411280a AE |
3355 | if (!is_valid_ether_addr(mac)) { |
3356 | BNX2X_ERR("mac address invalid\n"); | |
3357 | return -EINVAL; | |
3358 | } | |
3359 | ||
16a5fd92 | 3360 | /* update PF's copy of the VF's bulletin. Will no longer accept mac |
6411280a AE |
3361 | * configuration requests from vf unless match this mac |
3362 | */ | |
3363 | bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID; | |
3364 | memcpy(bulletin->mac, mac, ETH_ALEN); | |
3365 | ||
3366 | /* Post update on VF's bulletin board */ | |
3367 | rc = bnx2x_post_vf_bulletin(bp, vfidx); | |
3368 | if (rc) { | |
3369 | BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx); | |
3370 | return rc; | |
3371 | } | |
3372 | ||
6411280a | 3373 | q_logical_state = |
b9871bcf | 3374 | bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj)); |
6411280a AE |
3375 | if (vf->state == VF_ENABLED && |
3376 | q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) { | |
3377 | /* configure the mac in device on this vf's queue */ | |
3ec9f9ca | 3378 | unsigned long ramrod_flags = 0; |
b9871bcf AE |
3379 | struct bnx2x_vlan_mac_obj *mac_obj = |
3380 | &bnx2x_leading_vfq(vf, mac_obj); | |
3381 | ||
3382 | rc = validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj)); | |
3383 | if (rc) | |
3384 | return rc; | |
6411280a AE |
3385 | |
3386 | /* must lock vfpf channel to protect against vf flows */ | |
3387 | bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC); | |
3388 | ||
3389 | /* remove existing eth macs */ | |
3390 | rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true); | |
3391 | if (rc) { | |
3392 | BNX2X_ERR("failed to delete eth macs\n"); | |
31329afd AE |
3393 | rc = -EINVAL; |
3394 | goto out; | |
6411280a AE |
3395 | } |
3396 | ||
3397 | /* remove existing uc list macs */ | |
3398 | rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true); | |
3399 | if (rc) { | |
3400 | BNX2X_ERR("failed to delete uc_list macs\n"); | |
31329afd AE |
3401 | rc = -EINVAL; |
3402 | goto out; | |
6411280a AE |
3403 | } |
3404 | ||
3405 | /* configure the new mac to device */ | |
3ec9f9ca | 3406 | __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); |
6411280a | 3407 | bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true, |
3ec9f9ca | 3408 | BNX2X_ETH_MAC, &ramrod_flags); |
6411280a | 3409 | |
31329afd | 3410 | out: |
6411280a AE |
3411 | bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC); |
3412 | } | |
3413 | ||
3ec9f9ca AE |
3414 | return 0; |
3415 | } | |
3416 | ||
3417 | int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos) | |
3418 | { | |
3419 | struct bnx2x *bp = netdev_priv(dev); | |
3420 | int rc, q_logical_state; | |
5ae30d78 AE |
3421 | struct bnx2x_virtf *vf = NULL; |
3422 | struct pf_vf_bulletin_content *bulletin = NULL; | |
3ec9f9ca | 3423 | |
5ae30d78 AE |
3424 | /* sanity and init */ |
3425 | rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin); | |
3ec9f9ca AE |
3426 | if (rc) |
3427 | return rc; | |
3428 | ||
3429 | if (vlan > 4095) { | |
3430 | BNX2X_ERR("illegal vlan value %d\n", vlan); | |
3431 | return -EINVAL; | |
3432 | } | |
3433 | ||
3434 | DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n", | |
3435 | vfidx, vlan, 0); | |
3436 | ||
3437 | /* update PF's copy of the VF's bulletin. No point in posting the vlan | |
3438 | * to the VF since it doesn't have anything to do with it. But it useful | |
3439 | * to store it here in case the VF is not up yet and we can only | |
3440 | * configure the vlan later when it does. | |
3441 | */ | |
3442 | bulletin->valid_bitmap |= 1 << VLAN_VALID; | |
3443 | bulletin->vlan = vlan; | |
3444 | ||
3445 | /* is vf initialized and queue set up? */ | |
3446 | q_logical_state = | |
b9871bcf | 3447 | bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj)); |
3ec9f9ca AE |
3448 | if (vf->state == VF_ENABLED && |
3449 | q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) { | |
3450 | /* configure the vlan in device on this vf's queue */ | |
3451 | unsigned long ramrod_flags = 0; | |
3452 | unsigned long vlan_mac_flags = 0; | |
3453 | struct bnx2x_vlan_mac_obj *vlan_obj = | |
b9871bcf | 3454 | &bnx2x_leading_vfq(vf, vlan_obj); |
3ec9f9ca AE |
3455 | struct bnx2x_vlan_mac_ramrod_params ramrod_param; |
3456 | struct bnx2x_queue_state_params q_params = {NULL}; | |
3457 | struct bnx2x_queue_update_params *update_params; | |
3458 | ||
b9871bcf AE |
3459 | rc = validate_vlan_mac(bp, &bnx2x_leading_vfq(vf, mac_obj)); |
3460 | if (rc) | |
3461 | return rc; | |
3ec9f9ca AE |
3462 | memset(&ramrod_param, 0, sizeof(ramrod_param)); |
3463 | ||
3464 | /* must lock vfpf channel to protect against vf flows */ | |
3465 | bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN); | |
3466 | ||
3467 | /* remove existing vlans */ | |
3468 | __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); | |
3469 | rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags, | |
3470 | &ramrod_flags); | |
3471 | if (rc) { | |
3472 | BNX2X_ERR("failed to delete vlans\n"); | |
31329afd AE |
3473 | rc = -EINVAL; |
3474 | goto out; | |
3ec9f9ca AE |
3475 | } |
3476 | ||
3477 | /* send queue update ramrod to configure default vlan and silent | |
3478 | * vlan removal | |
3479 | */ | |
3480 | __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags); | |
3481 | q_params.cmd = BNX2X_Q_CMD_UPDATE; | |
b9871bcf | 3482 | q_params.q_obj = &bnx2x_leading_vfq(vf, sp_obj); |
3ec9f9ca AE |
3483 | update_params = &q_params.params.update; |
3484 | __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG, | |
3485 | &update_params->update_flags); | |
3486 | __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG, | |
3487 | &update_params->update_flags); | |
3488 | ||
3489 | if (vlan == 0) { | |
3490 | /* if vlan is 0 then we want to leave the VF traffic | |
3491 | * untagged, and leave the incoming traffic untouched | |
3492 | * (i.e. do not remove any vlan tags). | |
3493 | */ | |
3494 | __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN, | |
3495 | &update_params->update_flags); | |
3496 | __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM, | |
3497 | &update_params->update_flags); | |
3498 | } else { | |
3499 | /* configure the new vlan to device */ | |
3500 | __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); | |
3501 | ramrod_param.vlan_mac_obj = vlan_obj; | |
3502 | ramrod_param.ramrod_flags = ramrod_flags; | |
3503 | ramrod_param.user_req.u.vlan.vlan = vlan; | |
3504 | ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD; | |
3505 | rc = bnx2x_config_vlan_mac(bp, &ramrod_param); | |
3506 | if (rc) { | |
3507 | BNX2X_ERR("failed to configure vlan\n"); | |
31329afd AE |
3508 | rc = -EINVAL; |
3509 | goto out; | |
3ec9f9ca AE |
3510 | } |
3511 | ||
3512 | /* configure default vlan to vf queue and set silent | |
3513 | * vlan removal (the vf remains unaware of this vlan). | |
3514 | */ | |
3515 | update_params = &q_params.params.update; | |
3516 | __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN, | |
3517 | &update_params->update_flags); | |
3518 | __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM, | |
3519 | &update_params->update_flags); | |
3520 | update_params->def_vlan = vlan; | |
3521 | } | |
3522 | ||
3523 | /* Update the Queue state */ | |
3524 | rc = bnx2x_queue_state_change(bp, &q_params); | |
3525 | if (rc) { | |
3526 | BNX2X_ERR("Failed to configure default VLAN\n"); | |
31329afd | 3527 | goto out; |
3ec9f9ca AE |
3528 | } |
3529 | ||
3530 | /* clear the flag indicating that this VF needs its vlan | |
31329afd AE |
3531 | * (will only be set if the HV configured the Vlan before vf was |
3532 | * up and we were called because the VF came up later | |
3ec9f9ca | 3533 | */ |
31329afd | 3534 | out: |
3ec9f9ca | 3535 | vf->cfg_flags &= ~VF_CFG_VLAN; |
3ec9f9ca AE |
3536 | bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN); |
3537 | } | |
31329afd | 3538 | return rc; |
6411280a AE |
3539 | } |
3540 | ||
16a5fd92 YM |
3541 | /* crc is the first field in the bulletin board. Compute the crc over the |
3542 | * entire bulletin board excluding the crc field itself. Use the length field | |
3543 | * as the Bulletin Board was posted by a PF with possibly a different version | |
3544 | * from the vf which will sample it. Therefore, the length is computed by the | |
3545 | * PF and the used blindly by the VF. | |
6411280a AE |
3546 | */ |
3547 | u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp, | |
3548 | struct pf_vf_bulletin_content *bulletin) | |
3549 | { | |
3550 | return crc32(BULLETIN_CRC_SEED, | |
3551 | ((u8 *)bulletin) + sizeof(bulletin->crc), | |
4c133c39 | 3552 | bulletin->length - sizeof(bulletin->crc)); |
6411280a AE |
3553 | } |
3554 | ||
3555 | /* Check for new posts on the bulletin board */ | |
3556 | enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp) | |
3557 | { | |
3558 | struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content; | |
3559 | int attempts; | |
3560 | ||
3561 | /* bulletin board hasn't changed since last sample */ | |
3562 | if (bp->old_bulletin.version == bulletin.version) | |
3563 | return PFVF_BULLETIN_UNCHANGED; | |
3564 | ||
3565 | /* validate crc of new bulletin board */ | |
3566 | if (bp->old_bulletin.version != bp->pf2vf_bulletin->content.version) { | |
3567 | /* sampling structure in mid post may result with corrupted data | |
3568 | * validate crc to ensure coherency. | |
3569 | */ | |
3570 | for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) { | |
3571 | bulletin = bp->pf2vf_bulletin->content; | |
3572 | if (bulletin.crc == bnx2x_crc_vf_bulletin(bp, | |
3573 | &bulletin)) | |
3574 | break; | |
6bf07b8e | 3575 | BNX2X_ERR("bad crc on bulletin board. Contained %x computed %x\n", |
6411280a AE |
3576 | bulletin.crc, |
3577 | bnx2x_crc_vf_bulletin(bp, &bulletin)); | |
3578 | } | |
3579 | if (attempts >= BULLETIN_ATTEMPTS) { | |
3580 | BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n", | |
3581 | attempts); | |
3582 | return PFVF_BULLETIN_CRC_ERR; | |
3583 | } | |
3584 | } | |
3585 | ||
3586 | /* the mac address in bulletin board is valid and is new */ | |
3587 | if (bulletin.valid_bitmap & 1 << MAC_ADDR_VALID && | |
3588 | memcmp(bulletin.mac, bp->old_bulletin.mac, ETH_ALEN)) { | |
3589 | /* update new mac to net device */ | |
3590 | memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN); | |
3591 | } | |
3592 | ||
3ec9f9ca AE |
3593 | /* the vlan in bulletin board is valid and is new */ |
3594 | if (bulletin.valid_bitmap & 1 << VLAN_VALID) | |
3595 | memcpy(&bulletin.vlan, &bp->old_bulletin.vlan, VLAN_HLEN); | |
3596 | ||
6411280a AE |
3597 | /* copy new bulletin board to bp */ |
3598 | bp->old_bulletin = bulletin; | |
3599 | ||
3600 | return PFVF_BULLETIN_UPDATED; | |
3601 | } | |
3602 | ||
37173488 YM |
3603 | void bnx2x_timer_sriov(struct bnx2x *bp) |
3604 | { | |
3605 | bnx2x_sample_bulletin(bp); | |
3606 | ||
3607 | /* if channel is down we need to self destruct */ | |
3608 | if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) { | |
3609 | smp_mb__before_clear_bit(); | |
3610 | set_bit(BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN, | |
3611 | &bp->sp_rtnl_state); | |
3612 | smp_mb__after_clear_bit(); | |
3613 | schedule_delayed_work(&bp->sp_rtnl_task, 0); | |
3614 | } | |
3615 | } | |
3616 | ||
1d6f3cd8 | 3617 | void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp) |
6411280a AE |
3618 | { |
3619 | /* vf doorbells are embedded within the regview */ | |
1d6f3cd8 | 3620 | return bp->regview + PXP_VF_ADDR_DB_START; |
6411280a AE |
3621 | } |
3622 | ||
3623 | int bnx2x_vf_pci_alloc(struct bnx2x *bp) | |
3624 | { | |
8b49a4c7 DK |
3625 | mutex_init(&bp->vf2pf_mutex); |
3626 | ||
6411280a AE |
3627 | /* allocate vf2pf mailbox for vf to pf channel */ |
3628 | BNX2X_PCI_ALLOC(bp->vf2pf_mbox, &bp->vf2pf_mbox_mapping, | |
3629 | sizeof(struct bnx2x_vf_mbx_msg)); | |
3630 | ||
3631 | /* allocate pf 2 vf bulletin board */ | |
3632 | BNX2X_PCI_ALLOC(bp->pf2vf_bulletin, &bp->pf2vf_bulletin_mapping, | |
3633 | sizeof(union pf_vf_bulletin)); | |
3634 | ||
3635 | return 0; | |
3636 | ||
3637 | alloc_mem_err: | |
3638 | BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping, | |
3639 | sizeof(struct bnx2x_vf_mbx_msg)); | |
8ece5165 | 3640 | BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->pf2vf_bulletin_mapping, |
6411280a AE |
3641 | sizeof(union pf_vf_bulletin)); |
3642 | return -ENOMEM; | |
3643 | } | |
3c76feff AE |
3644 | |
3645 | int bnx2x_open_epilog(struct bnx2x *bp) | |
3646 | { | |
3647 | /* Enable sriov via delayed work. This must be done via delayed work | |
3648 | * because it causes the probe of the vf devices to be run, which invoke | |
3649 | * register_netdevice which must have rtnl lock taken. As we are holding | |
3650 | * the lock right now, that could only work if the probe would not take | |
3651 | * the lock. However, as the probe of the vf may be called from other | |
16a5fd92 | 3652 | * contexts as well (such as passthrough to vm fails) it can't assume |
3c76feff AE |
3653 | * the lock is being held for it. Using delayed work here allows the |
3654 | * probe code to simply take the lock (i.e. wait for it to be released | |
3655 | * if it is being held). We only want to do this if the number of VFs | |
3656 | * was set before PF driver was loaded. | |
3657 | */ | |
3658 | if (IS_SRIOV(bp) && BNX2X_NR_VIRTFN(bp)) { | |
3659 | smp_mb__before_clear_bit(); | |
3660 | set_bit(BNX2X_SP_RTNL_ENABLE_SRIOV, &bp->sp_rtnl_state); | |
3661 | smp_mb__after_clear_bit(); | |
3662 | schedule_delayed_work(&bp->sp_rtnl_task, 0); | |
3663 | } | |
3664 | ||
3665 | return 0; | |
3666 | } | |
78c3bcc5 AE |
3667 | |
3668 | void bnx2x_iov_channel_down(struct bnx2x *bp) | |
3669 | { | |
3670 | int vf_idx; | |
3671 | struct pf_vf_bulletin_content *bulletin; | |
3672 | ||
3673 | if (!IS_SRIOV(bp)) | |
3674 | return; | |
3675 | ||
3676 | for_each_vf(bp, vf_idx) { | |
3677 | /* locate this VFs bulletin board and update the channel down | |
3678 | * bit | |
3679 | */ | |
3680 | bulletin = BP_VF_BULLETIN(bp, vf_idx); | |
3681 | bulletin->valid_bitmap |= 1 << CHANNEL_DOWN; | |
3682 | ||
3683 | /* update vf bulletin board */ | |
3684 | bnx2x_post_vf_bulletin(bp, vf_idx); | |
3685 | } | |
3686 | } |