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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 | * | |
08f6dd89 AE |
15 | * Maintained by: Ariel Elior <ariel.elior@qlogic.com> |
16 | * Written by: Shmulik Ravid | |
17 | * Ariel Elior <ariel.elior@qlogic.com> | |
290ca2bb AE |
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 | 26 | |
6495d15a DK |
27 | static int bnx2x_vf_op_prep(struct bnx2x *bp, int vfidx, |
28 | struct bnx2x_virtf **vf, | |
29 | struct pf_vf_bulletin_content **bulletin, | |
30 | bool test_queue); | |
31 | ||
b56e9670 AE |
32 | /* General service functions */ |
33 | static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid, | |
34 | u16 pf_id) | |
35 | { | |
36 | REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid), | |
37 | pf_id); | |
38 | REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid), | |
39 | pf_id); | |
40 | REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid), | |
41 | pf_id); | |
42 | REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid), | |
43 | pf_id); | |
44 | } | |
45 | ||
46 | static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid, | |
47 | u8 enable) | |
48 | { | |
49 | REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid), | |
50 | enable); | |
51 | REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid), | |
52 | enable); | |
53 | REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid), | |
54 | enable); | |
55 | REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid), | |
56 | enable); | |
57 | } | |
58 | ||
290ca2bb AE |
59 | int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid) |
60 | { | |
61 | int idx; | |
62 | ||
63 | for_each_vf(bp, idx) | |
64 | if (bnx2x_vf(bp, idx, abs_vfid) == abs_vfid) | |
65 | break; | |
66 | return idx; | |
67 | } | |
68 | ||
69 | static | |
70 | struct bnx2x_virtf *bnx2x_vf_by_abs_fid(struct bnx2x *bp, u16 abs_vfid) | |
71 | { | |
72 | u16 idx = (u16)bnx2x_vf_idx_by_abs_fid(bp, abs_vfid); | |
73 | return (idx < BNX2X_NR_VIRTFN(bp)) ? BP_VF(bp, idx) : NULL; | |
74 | } | |
75 | ||
b93288d5 AE |
76 | static void bnx2x_vf_igu_ack_sb(struct bnx2x *bp, struct bnx2x_virtf *vf, |
77 | u8 igu_sb_id, u8 segment, u16 index, u8 op, | |
78 | u8 update) | |
79 | { | |
80 | /* acking a VF sb through the PF - use the GRC */ | |
81 | u32 ctl; | |
82 | u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA; | |
83 | u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL; | |
84 | u32 func_encode = vf->abs_vfid; | |
85 | u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + igu_sb_id; | |
86 | struct igu_regular cmd_data = {0}; | |
87 | ||
88 | cmd_data.sb_id_and_flags = | |
89 | ((index << IGU_REGULAR_SB_INDEX_SHIFT) | | |
90 | (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) | | |
91 | (update << IGU_REGULAR_BUPDATE_SHIFT) | | |
92 | (op << IGU_REGULAR_ENABLE_INT_SHIFT)); | |
93 | ||
94 | ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT | | |
95 | func_encode << IGU_CTRL_REG_FID_SHIFT | | |
96 | IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT; | |
97 | ||
98 | DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", | |
99 | cmd_data.sb_id_and_flags, igu_addr_data); | |
100 | REG_WR(bp, igu_addr_data, cmd_data.sb_id_and_flags); | |
101 | mmiowb(); | |
102 | barrier(); | |
103 | ||
104 | DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", | |
105 | ctl, igu_addr_ctl); | |
106 | REG_WR(bp, igu_addr_ctl, ctl); | |
107 | mmiowb(); | |
108 | barrier(); | |
109 | } | |
3a3534ec YM |
110 | |
111 | static bool bnx2x_validate_vf_sp_objs(struct bnx2x *bp, | |
112 | struct bnx2x_virtf *vf, | |
113 | bool print_err) | |
114 | { | |
115 | if (!bnx2x_leading_vfq(vf, sp_initialized)) { | |
116 | if (print_err) | |
117 | BNX2X_ERR("Slowpath objects not yet initialized!\n"); | |
118 | else | |
119 | DP(BNX2X_MSG_IOV, "Slowpath objects not yet initialized!\n"); | |
120 | return false; | |
121 | } | |
122 | return true; | |
123 | } | |
124 | ||
8db573ba | 125 | /* VFOP operations states */ |
8db573ba AE |
126 | void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf, |
127 | struct bnx2x_queue_init_params *init_params, | |
128 | struct bnx2x_queue_setup_params *setup_params, | |
129 | u16 q_idx, u16 sb_idx) | |
290ca2bb | 130 | { |
8db573ba AE |
131 | DP(BNX2X_MSG_IOV, |
132 | "VF[%d] Q_SETUP: txq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, flags=0x%lx, traffic-type=%d", | |
133 | vf->abs_vfid, | |
134 | q_idx, | |
135 | sb_idx, | |
136 | init_params->tx.sb_cq_index, | |
137 | init_params->tx.hc_rate, | |
138 | setup_params->flags, | |
139 | setup_params->txq_params.traffic_type); | |
290ca2bb AE |
140 | } |
141 | ||
8db573ba AE |
142 | void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf, |
143 | struct bnx2x_queue_init_params *init_params, | |
144 | struct bnx2x_queue_setup_params *setup_params, | |
145 | u16 q_idx, u16 sb_idx) | |
290ca2bb | 146 | { |
8db573ba AE |
147 | struct bnx2x_rxq_setup_params *rxq_params = &setup_params->rxq_params; |
148 | ||
149 | DP(BNX2X_MSG_IOV, "VF[%d] Q_SETUP: rxq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, mtu=%d, buf-size=%d\n" | |
150 | "sge-size=%d, max_sge_pkt=%d, tpa-agg-size=%d, flags=0x%lx, drop-flags=0x%x, cache-log=%d\n", | |
151 | vf->abs_vfid, | |
152 | q_idx, | |
153 | sb_idx, | |
154 | init_params->rx.sb_cq_index, | |
155 | init_params->rx.hc_rate, | |
156 | setup_params->gen_params.mtu, | |
157 | rxq_params->buf_sz, | |
158 | rxq_params->sge_buf_sz, | |
159 | rxq_params->max_sges_pkt, | |
160 | rxq_params->tpa_agg_sz, | |
161 | setup_params->flags, | |
162 | rxq_params->drop_flags, | |
163 | rxq_params->cache_line_log); | |
290ca2bb AE |
164 | } |
165 | ||
8db573ba AE |
166 | void bnx2x_vfop_qctor_prep(struct bnx2x *bp, |
167 | struct bnx2x_virtf *vf, | |
168 | struct bnx2x_vf_queue *q, | |
2dc33bbc | 169 | struct bnx2x_vf_queue_construct_params *p, |
8db573ba | 170 | unsigned long q_type) |
290ca2bb | 171 | { |
8db573ba AE |
172 | struct bnx2x_queue_init_params *init_p = &p->qstate.params.init; |
173 | struct bnx2x_queue_setup_params *setup_p = &p->prep_qsetup; | |
290ca2bb | 174 | |
8db573ba | 175 | /* INIT */ |
290ca2bb | 176 | |
8db573ba AE |
177 | /* Enable host coalescing in the transition to INIT state */ |
178 | if (test_bit(BNX2X_Q_FLG_HC, &init_p->rx.flags)) | |
179 | __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->rx.flags); | |
180 | ||
181 | if (test_bit(BNX2X_Q_FLG_HC, &init_p->tx.flags)) | |
182 | __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->tx.flags); | |
183 | ||
184 | /* FW SB ID */ | |
185 | init_p->rx.fw_sb_id = vf_igu_sb(vf, q->sb_idx); | |
186 | init_p->tx.fw_sb_id = vf_igu_sb(vf, q->sb_idx); | |
187 | ||
188 | /* context */ | |
189 | init_p->cxts[0] = q->cxt; | |
190 | ||
191 | /* SETUP */ | |
192 | ||
193 | /* Setup-op general parameters */ | |
194 | setup_p->gen_params.spcl_id = vf->sp_cl_id; | |
195 | setup_p->gen_params.stat_id = vfq_stat_id(vf, q); | |
02dc4025 | 196 | setup_p->gen_params.fp_hsi = vf->fp_hsi; |
8db573ba AE |
197 | |
198 | /* Setup-op pause params: | |
199 | * Nothing to do, the pause thresholds are set by default to 0 which | |
200 | * effectively turns off the feature for this queue. We don't want | |
201 | * one queue (VF) to interfering with another queue (another VF) | |
202 | */ | |
203 | if (vf->cfg_flags & VF_CFG_FW_FC) | |
204 | BNX2X_ERR("No support for pause to VFs (abs_vfid: %d)\n", | |
205 | vf->abs_vfid); | |
206 | /* Setup-op flags: | |
207 | * collect statistics, zero statistics, local-switching, security, | |
208 | * OV for Flex10, RSS and MCAST for leading | |
209 | */ | |
210 | if (test_bit(BNX2X_Q_FLG_STATS, &setup_p->flags)) | |
211 | __set_bit(BNX2X_Q_FLG_ZERO_STATS, &setup_p->flags); | |
212 | ||
213 | /* for VFs, enable tx switching, bd coherency, and mac address | |
214 | * anti-spoofing | |
215 | */ | |
216 | __set_bit(BNX2X_Q_FLG_TX_SWITCH, &setup_p->flags); | |
217 | __set_bit(BNX2X_Q_FLG_TX_SEC, &setup_p->flags); | |
218 | __set_bit(BNX2X_Q_FLG_ANTI_SPOOF, &setup_p->flags); | |
219 | ||
8db573ba AE |
220 | /* Setup-op rx parameters */ |
221 | if (test_bit(BNX2X_Q_TYPE_HAS_RX, &q_type)) { | |
222 | struct bnx2x_rxq_setup_params *rxq_p = &setup_p->rxq_params; | |
223 | ||
224 | rxq_p->cl_qzone_id = vfq_qzone_id(vf, q); | |
225 | rxq_p->fw_sb_id = vf_igu_sb(vf, q->sb_idx); | |
226 | rxq_p->rss_engine_id = FW_VF_HANDLE(vf->abs_vfid); | |
227 | ||
228 | if (test_bit(BNX2X_Q_FLG_TPA, &setup_p->flags)) | |
229 | rxq_p->max_tpa_queues = BNX2X_VF_MAX_TPA_AGG_QUEUES; | |
230 | } | |
231 | ||
232 | /* Setup-op tx parameters */ | |
233 | if (test_bit(BNX2X_Q_TYPE_HAS_TX, &q_type)) { | |
234 | setup_p->txq_params.tss_leading_cl_id = vf->leading_rss; | |
235 | setup_p->txq_params.fw_sb_id = vf_igu_sb(vf, q->sb_idx); | |
290ca2bb AE |
236 | } |
237 | } | |
238 | ||
2dc33bbc YM |
239 | static int bnx2x_vf_queue_create(struct bnx2x *bp, |
240 | struct bnx2x_virtf *vf, int qid, | |
241 | struct bnx2x_vf_queue_construct_params *qctor) | |
290ca2bb | 242 | { |
2dc33bbc YM |
243 | struct bnx2x_queue_state_params *q_params; |
244 | int rc = 0; | |
8db573ba | 245 | |
2dc33bbc | 246 | DP(BNX2X_MSG_IOV, "vf[%d:%d]\n", vf->abs_vfid, qid); |
8db573ba | 247 | |
2dc33bbc YM |
248 | /* Prepare ramrod information */ |
249 | q_params = &qctor->qstate; | |
250 | q_params->q_obj = &bnx2x_vfq(vf, qid, sp_obj); | |
251 | set_bit(RAMROD_COMP_WAIT, &q_params->ramrod_flags); | |
8db573ba | 252 | |
2dc33bbc YM |
253 | if (bnx2x_get_q_logical_state(bp, q_params->q_obj) == |
254 | BNX2X_Q_LOGICAL_STATE_ACTIVE) { | |
255 | DP(BNX2X_MSG_IOV, "queue was already up. Aborting gracefully\n"); | |
256 | goto out; | |
290ca2bb | 257 | } |
290ca2bb | 258 | |
2dc33bbc YM |
259 | /* Run Queue 'construction' ramrods */ |
260 | q_params->cmd = BNX2X_Q_CMD_INIT; | |
261 | rc = bnx2x_queue_state_change(bp, q_params); | |
262 | if (rc) | |
263 | goto out; | |
290ca2bb | 264 | |
2dc33bbc YM |
265 | memcpy(&q_params->params.setup, &qctor->prep_qsetup, |
266 | sizeof(struct bnx2x_queue_setup_params)); | |
267 | q_params->cmd = BNX2X_Q_CMD_SETUP; | |
268 | rc = bnx2x_queue_state_change(bp, q_params); | |
269 | if (rc) | |
270 | goto out; | |
290ca2bb | 271 | |
2dc33bbc YM |
272 | /* enable interrupts */ |
273 | bnx2x_vf_igu_ack_sb(bp, vf, vf_igu_sb(vf, bnx2x_vfq(vf, qid, sb_idx)), | |
274 | USTORM_ID, 0, IGU_INT_ENABLE, 0); | |
275 | out: | |
276 | return rc; | |
290ca2bb AE |
277 | } |
278 | ||
2dc33bbc YM |
279 | static int bnx2x_vf_queue_destroy(struct bnx2x *bp, struct bnx2x_virtf *vf, |
280 | int qid) | |
463a68a7 | 281 | { |
2dc33bbc YM |
282 | enum bnx2x_queue_cmd cmds[] = {BNX2X_Q_CMD_HALT, |
283 | BNX2X_Q_CMD_TERMINATE, | |
284 | BNX2X_Q_CMD_CFC_DEL}; | |
285 | struct bnx2x_queue_state_params q_params; | |
286 | int rc, i; | |
463a68a7 | 287 | |
2dc33bbc | 288 | DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid); |
463a68a7 | 289 | |
2dc33bbc YM |
290 | /* Prepare ramrod information */ |
291 | memset(&q_params, 0, sizeof(struct bnx2x_queue_state_params)); | |
292 | q_params.q_obj = &bnx2x_vfq(vf, qid, sp_obj); | |
293 | set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags); | |
463a68a7 | 294 | |
2dc33bbc YM |
295 | if (bnx2x_get_q_logical_state(bp, q_params.q_obj) == |
296 | BNX2X_Q_LOGICAL_STATE_STOPPED) { | |
297 | DP(BNX2X_MSG_IOV, "queue was already stopped. Aborting gracefully\n"); | |
298 | goto out; | |
299 | } | |
463a68a7 | 300 | |
2dc33bbc YM |
301 | /* Run Queue 'destruction' ramrods */ |
302 | for (i = 0; i < ARRAY_SIZE(cmds); i++) { | |
303 | q_params.cmd = cmds[i]; | |
304 | rc = bnx2x_queue_state_change(bp, &q_params); | |
305 | if (rc) { | |
306 | BNX2X_ERR("Failed to run Queue command %d\n", cmds[i]); | |
307 | return rc; | |
b9871bcf | 308 | } |
463a68a7 | 309 | } |
2dc33bbc YM |
310 | out: |
311 | /* Clean Context */ | |
312 | if (bnx2x_vfq(vf, qid, cxt)) { | |
313 | bnx2x_vfq(vf, qid, cxt)->ustorm_ag_context.cdu_usage = 0; | |
314 | bnx2x_vfq(vf, qid, cxt)->xstorm_ag_context.cdu_reserved = 0; | |
463a68a7 | 315 | } |
2dc33bbc YM |
316 | |
317 | return 0; | |
463a68a7 AE |
318 | } |
319 | ||
8db573ba AE |
320 | static void |
321 | bnx2x_vf_set_igu_info(struct bnx2x *bp, u8 igu_sb_id, u8 abs_vfid) | |
290ca2bb | 322 | { |
8db573ba AE |
323 | struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); |
324 | if (vf) { | |
b9871bcf AE |
325 | /* the first igu entry belonging to VFs of this PF */ |
326 | if (!BP_VFDB(bp)->first_vf_igu_entry) | |
327 | BP_VFDB(bp)->first_vf_igu_entry = igu_sb_id; | |
328 | ||
329 | /* the first igu entry belonging to this VF */ | |
8db573ba AE |
330 | if (!vf_sb_count(vf)) |
331 | vf->igu_base_id = igu_sb_id; | |
b9871bcf | 332 | |
8db573ba | 333 | ++vf_sb_count(vf); |
b9871bcf | 334 | ++vf->sb_count; |
8db573ba | 335 | } |
b9871bcf | 336 | BP_VFDB(bp)->vf_sbs_pool++; |
8db573ba | 337 | } |
290ca2bb | 338 | |
2dc33bbc YM |
339 | static inline void bnx2x_vf_vlan_credit(struct bnx2x *bp, |
340 | struct bnx2x_vlan_mac_obj *obj, | |
341 | atomic_t *counter) | |
8db573ba | 342 | { |
2dc33bbc YM |
343 | struct list_head *pos; |
344 | int read_lock; | |
345 | int cnt = 0; | |
8b09be5f | 346 | |
2dc33bbc YM |
347 | read_lock = bnx2x_vlan_mac_h_read_lock(bp, obj); |
348 | if (read_lock) | |
349 | DP(BNX2X_MSG_SP, "Failed to take vlan mac read head; continuing anyway\n"); | |
290ca2bb | 350 | |
2dc33bbc YM |
351 | list_for_each(pos, &obj->head) |
352 | cnt++; | |
290ca2bb | 353 | |
2dc33bbc YM |
354 | if (!read_lock) |
355 | bnx2x_vlan_mac_h_read_unlock(bp, obj); | |
8b09be5f | 356 | |
2dc33bbc | 357 | atomic_set(counter, cnt); |
8db573ba | 358 | } |
290ca2bb | 359 | |
2dc33bbc YM |
360 | static int bnx2x_vf_vlan_mac_clear(struct bnx2x *bp, struct bnx2x_virtf *vf, |
361 | int qid, bool drv_only, bool mac) | |
8db573ba | 362 | { |
2dc33bbc YM |
363 | struct bnx2x_vlan_mac_ramrod_params ramrod; |
364 | int rc; | |
290ca2bb | 365 | |
2dc33bbc YM |
366 | DP(BNX2X_MSG_IOV, "vf[%d] - deleting all %s\n", vf->abs_vfid, |
367 | mac ? "MACs" : "VLANs"); | |
290ca2bb | 368 | |
2dc33bbc YM |
369 | /* Prepare ramrod params */ |
370 | memset(&ramrod, 0, sizeof(struct bnx2x_vlan_mac_ramrod_params)); | |
371 | if (mac) { | |
372 | set_bit(BNX2X_ETH_MAC, &ramrod.user_req.vlan_mac_flags); | |
373 | ramrod.vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj); | |
374 | } else { | |
375 | set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, | |
376 | &ramrod.user_req.vlan_mac_flags); | |
377 | ramrod.vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj); | |
290ca2bb | 378 | } |
2dc33bbc | 379 | ramrod.user_req.cmd = BNX2X_VLAN_MAC_DEL; |
8db573ba | 380 | |
2dc33bbc YM |
381 | set_bit(RAMROD_EXEC, &ramrod.ramrod_flags); |
382 | if (drv_only) | |
383 | set_bit(RAMROD_DRV_CLR_ONLY, &ramrod.ramrod_flags); | |
384 | else | |
385 | set_bit(RAMROD_COMP_WAIT, &ramrod.ramrod_flags); | |
8db573ba | 386 | |
2dc33bbc YM |
387 | /* Start deleting */ |
388 | rc = ramrod.vlan_mac_obj->delete_all(bp, | |
389 | ramrod.vlan_mac_obj, | |
390 | &ramrod.user_req.vlan_mac_flags, | |
391 | &ramrod.ramrod_flags); | |
392 | if (rc) { | |
393 | BNX2X_ERR("Failed to delete all %s\n", | |
394 | mac ? "MACs" : "VLANs"); | |
395 | return rc; | |
290ca2bb | 396 | } |
290ca2bb | 397 | |
2dc33bbc YM |
398 | /* Clear the vlan counters */ |
399 | if (!mac) | |
400 | atomic_set(&bnx2x_vfq(vf, qid, vlan_count), 0); | |
290ca2bb | 401 | |
2dc33bbc | 402 | return 0; |
954ea748 AE |
403 | } |
404 | ||
2dc33bbc YM |
405 | static int bnx2x_vf_mac_vlan_config(struct bnx2x *bp, |
406 | struct bnx2x_virtf *vf, int qid, | |
407 | struct bnx2x_vf_mac_vlan_filter *filter, | |
408 | bool drv_only) | |
463a68a7 | 409 | { |
2dc33bbc YM |
410 | struct bnx2x_vlan_mac_ramrod_params ramrod; |
411 | int rc; | |
463a68a7 | 412 | |
2dc33bbc YM |
413 | DP(BNX2X_MSG_IOV, "vf[%d] - %s a %s filter\n", |
414 | vf->abs_vfid, filter->add ? "Adding" : "Deleting", | |
415 | filter->type == BNX2X_VF_FILTER_MAC ? "MAC" : "VLAN"); | |
416 | ||
417 | /* Prepare ramrod params */ | |
418 | memset(&ramrod, 0, sizeof(struct bnx2x_vlan_mac_ramrod_params)); | |
419 | if (filter->type == BNX2X_VF_FILTER_VLAN) { | |
420 | set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, | |
421 | &ramrod.user_req.vlan_mac_flags); | |
422 | ramrod.vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj); | |
423 | ramrod.user_req.u.vlan.vlan = filter->vid; | |
424 | } else { | |
425 | set_bit(BNX2X_ETH_MAC, &ramrod.user_req.vlan_mac_flags); | |
426 | ramrod.vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj); | |
427 | memcpy(&ramrod.user_req.u.mac.mac, filter->mac, ETH_ALEN); | |
428 | } | |
429 | ramrod.user_req.cmd = filter->add ? BNX2X_VLAN_MAC_ADD : | |
430 | BNX2X_VLAN_MAC_DEL; | |
431 | ||
432 | /* Verify there are available vlan credits */ | |
433 | if (filter->add && filter->type == BNX2X_VF_FILTER_VLAN && | |
434 | (atomic_read(&bnx2x_vfq(vf, qid, vlan_count)) >= | |
435 | vf_vlan_rules_cnt(vf))) { | |
1a3d9424 YM |
436 | BNX2X_ERR("No credits for vlan [%d >= %d]\n", |
437 | atomic_read(&bnx2x_vfq(vf, qid, vlan_count)), | |
438 | vf_vlan_rules_cnt(vf)); | |
2dc33bbc | 439 | return -ENOMEM; |
463a68a7 | 440 | } |
954ea748 | 441 | |
2dc33bbc YM |
442 | set_bit(RAMROD_EXEC, &ramrod.ramrod_flags); |
443 | if (drv_only) | |
444 | set_bit(RAMROD_DRV_CLR_ONLY, &ramrod.ramrod_flags); | |
445 | else | |
446 | set_bit(RAMROD_COMP_WAIT, &ramrod.ramrod_flags); | |
447 | ||
448 | /* Add/Remove the filter */ | |
449 | rc = bnx2x_config_vlan_mac(bp, &ramrod); | |
450 | if (rc && rc != -EEXIST) { | |
451 | BNX2X_ERR("Failed to %s %s\n", | |
452 | filter->add ? "add" : "delete", | |
453 | filter->type == BNX2X_VF_FILTER_MAC ? "MAC" : | |
454 | "VLAN"); | |
455 | return rc; | |
954ea748 | 456 | } |
3a3534ec | 457 | |
2dc33bbc YM |
458 | /* Update the vlan counters */ |
459 | if (filter->type == BNX2X_VF_FILTER_VLAN) | |
460 | bnx2x_vf_vlan_credit(bp, ramrod.vlan_mac_obj, | |
461 | &bnx2x_vfq(vf, qid, vlan_count)); | |
8db573ba | 462 | |
2dc33bbc | 463 | return 0; |
8db573ba | 464 | } |
290ca2bb | 465 | |
2dc33bbc YM |
466 | int bnx2x_vf_mac_vlan_config_list(struct bnx2x *bp, struct bnx2x_virtf *vf, |
467 | struct bnx2x_vf_mac_vlan_filters *filters, | |
468 | int qid, bool drv_only) | |
463a68a7 | 469 | { |
2dc33bbc | 470 | int rc = 0, i; |
463a68a7 | 471 | |
2dc33bbc | 472 | DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid); |
3a3534ec YM |
473 | |
474 | if (!bnx2x_validate_vf_sp_objs(bp, vf, true)) | |
475 | return -EINVAL; | |
954ea748 | 476 | |
2dc33bbc YM |
477 | /* Prepare ramrod params */ |
478 | for (i = 0; i < filters->count; i++) { | |
479 | rc = bnx2x_vf_mac_vlan_config(bp, vf, qid, | |
480 | &filters->filters[i], drv_only); | |
481 | if (rc) | |
482 | break; | |
954ea748 | 483 | } |
290ca2bb | 484 | |
2dc33bbc YM |
485 | /* Rollback if needed */ |
486 | if (i != filters->count) { | |
487 | BNX2X_ERR("Managed only %d/%d filters - rolling back\n", | |
488 | i, filters->count + 1); | |
489 | while (--i >= 0) { | |
490 | filters->filters[i].add = !filters->filters[i].add; | |
491 | bnx2x_vf_mac_vlan_config(bp, vf, qid, | |
492 | &filters->filters[i], | |
493 | drv_only); | |
494 | } | |
290ca2bb | 495 | } |
8db573ba | 496 | |
2dc33bbc YM |
497 | /* It's our responsibility to free the filters */ |
498 | kfree(filters); | |
8db573ba | 499 | |
2dc33bbc | 500 | return rc; |
290ca2bb | 501 | } |
8db573ba | 502 | |
2dc33bbc YM |
503 | int bnx2x_vf_queue_setup(struct bnx2x *bp, struct bnx2x_virtf *vf, int qid, |
504 | struct bnx2x_vf_queue_construct_params *qctor) | |
d16132ce | 505 | { |
2dc33bbc | 506 | int rc; |
d16132ce | 507 | |
2dc33bbc | 508 | DP(BNX2X_MSG_IOV, "vf[%d:%d]\n", vf->abs_vfid, qid); |
d16132ce | 509 | |
2dc33bbc YM |
510 | rc = bnx2x_vf_queue_create(bp, vf, qid, qctor); |
511 | if (rc) | |
d16132ce AE |
512 | goto op_err; |
513 | ||
2dc33bbc YM |
514 | /* Configure vlan0 for leading queue */ |
515 | if (!qid) { | |
516 | struct bnx2x_vf_mac_vlan_filter filter; | |
d16132ce | 517 | |
2dc33bbc YM |
518 | memset(&filter, 0, sizeof(struct bnx2x_vf_mac_vlan_filter)); |
519 | filter.type = BNX2X_VF_FILTER_VLAN; | |
520 | filter.add = true; | |
521 | filter.vid = 0; | |
522 | rc = bnx2x_vf_mac_vlan_config(bp, vf, qid, &filter, false); | |
523 | if (rc) | |
3a3534ec | 524 | goto op_err; |
2dc33bbc | 525 | } |
d16132ce | 526 | |
2dc33bbc YM |
527 | /* Schedule the configuration of any pending vlan filters */ |
528 | vf->cfg_flags |= VF_CFG_VLAN; | |
529 | bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_HYPERVISOR_VLAN, | |
530 | BNX2X_MSG_IOV); | |
531 | return 0; | |
d16132ce | 532 | op_err: |
2dc33bbc YM |
533 | BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf->abs_vfid, qid, rc); |
534 | return rc; | |
d16132ce AE |
535 | } |
536 | ||
2dc33bbc | 537 | static int bnx2x_vf_queue_flr(struct bnx2x *bp, struct bnx2x_virtf *vf, |
d16132ce AE |
538 | int qid) |
539 | { | |
2dc33bbc | 540 | int rc; |
954ea748 | 541 | |
2dc33bbc | 542 | DP(BNX2X_MSG_IOV, "vf[%d:%d]\n", vf->abs_vfid, qid); |
954ea748 | 543 | |
2dc33bbc YM |
544 | /* If needed, clean the filtering data base */ |
545 | if ((qid == LEADING_IDX) && | |
546 | bnx2x_validate_vf_sp_objs(bp, vf, false)) { | |
547 | rc = bnx2x_vf_vlan_mac_clear(bp, vf, qid, true, false); | |
548 | if (rc) | |
549 | goto op_err; | |
550 | rc = bnx2x_vf_vlan_mac_clear(bp, vf, qid, true, true); | |
551 | if (rc) | |
552 | goto op_err; | |
553 | } | |
954ea748 | 554 | |
2dc33bbc YM |
555 | /* Terminate queue */ |
556 | if (bnx2x_vfq(vf, qid, sp_obj).state != BNX2X_Q_STATE_RESET) { | |
557 | struct bnx2x_queue_state_params qstate; | |
858f4deb | 558 | |
2dc33bbc YM |
559 | memset(&qstate, 0, sizeof(struct bnx2x_queue_state_params)); |
560 | qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj); | |
561 | qstate.q_obj->state = BNX2X_Q_STATE_STOPPED; | |
562 | qstate.cmd = BNX2X_Q_CMD_TERMINATE; | |
563 | set_bit(RAMROD_COMP_WAIT, &qstate.ramrod_flags); | |
564 | rc = bnx2x_queue_state_change(bp, &qstate); | |
565 | if (rc) | |
566 | goto op_err; | |
954ea748 | 567 | } |
954ea748 | 568 | |
2dc33bbc YM |
569 | return 0; |
570 | op_err: | |
571 | BNX2X_ERR("vf[%d:%d] error: rc %d\n", vf->abs_vfid, qid, rc); | |
572 | return rc; | |
954ea748 AE |
573 | } |
574 | ||
2dc33bbc YM |
575 | int bnx2x_vf_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf, |
576 | bnx2x_mac_addr_t *mcasts, int mc_num, bool drv_only) | |
954ea748 | 577 | { |
2dc33bbc YM |
578 | struct bnx2x_mcast_list_elem *mc = NULL; |
579 | struct bnx2x_mcast_ramrod_params mcast; | |
580 | int rc, i; | |
954ea748 | 581 | |
2dc33bbc | 582 | DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid); |
954ea748 | 583 | |
2dc33bbc YM |
584 | /* Prepare Multicast command */ |
585 | memset(&mcast, 0, sizeof(struct bnx2x_mcast_ramrod_params)); | |
586 | mcast.mcast_obj = &vf->mcast_obj; | |
587 | if (drv_only) | |
588 | set_bit(RAMROD_DRV_CLR_ONLY, &mcast.ramrod_flags); | |
589 | else | |
590 | set_bit(RAMROD_COMP_WAIT, &mcast.ramrod_flags); | |
591 | if (mc_num) { | |
592 | mc = kzalloc(mc_num * sizeof(struct bnx2x_mcast_list_elem), | |
593 | GFP_KERNEL); | |
594 | if (!mc) { | |
d939be3a | 595 | BNX2X_ERR("Cannot Configure multicasts due to lack of memory\n"); |
2dc33bbc YM |
596 | return -ENOMEM; |
597 | } | |
598 | } | |
954ea748 | 599 | |
2dc33bbc YM |
600 | /* clear existing mcasts */ |
601 | mcast.mcast_list_len = vf->mcast_list_len; | |
602 | vf->mcast_list_len = mc_num; | |
603 | rc = bnx2x_config_mcast(bp, &mcast, BNX2X_MCAST_CMD_DEL); | |
604 | if (rc) { | |
605 | BNX2X_ERR("Failed to remove multicasts\n"); | |
88729dd1 | 606 | kfree(mc); |
2dc33bbc YM |
607 | return rc; |
608 | } | |
954ea748 | 609 | |
2dc33bbc YM |
610 | /* update mcast list on the ramrod params */ |
611 | if (mc_num) { | |
612 | INIT_LIST_HEAD(&mcast.mcast_list); | |
613 | for (i = 0; i < mc_num; i++) { | |
614 | mc[i].mac = mcasts[i]; | |
615 | list_add_tail(&mc[i].link, | |
616 | &mcast.mcast_list); | |
617 | } | |
954ea748 | 618 | |
2dc33bbc | 619 | /* add new mcasts */ |
ab15f86b | 620 | mcast.mcast_list_len = mc_num; |
2dc33bbc YM |
621 | rc = bnx2x_config_mcast(bp, &mcast, BNX2X_MCAST_CMD_ADD); |
622 | if (rc) | |
623 | BNX2X_ERR("Faled to add multicasts\n"); | |
624 | kfree(mc); | |
954ea748 | 625 | } |
2dc33bbc YM |
626 | |
627 | return rc; | |
954ea748 AE |
628 | } |
629 | ||
e8379c79 YM |
630 | static void bnx2x_vf_prep_rx_mode(struct bnx2x *bp, u8 qid, |
631 | struct bnx2x_rx_mode_ramrod_params *ramrod, | |
632 | struct bnx2x_virtf *vf, | |
633 | unsigned long accept_flags) | |
634 | { | |
635 | struct bnx2x_vf_queue *vfq = vfq_get(vf, qid); | |
636 | ||
637 | memset(ramrod, 0, sizeof(*ramrod)); | |
638 | ramrod->cid = vfq->cid; | |
639 | ramrod->cl_id = vfq_cl_id(vf, vfq); | |
640 | ramrod->rx_mode_obj = &bp->rx_mode_obj; | |
641 | ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid); | |
642 | ramrod->rx_accept_flags = accept_flags; | |
643 | ramrod->tx_accept_flags = accept_flags; | |
644 | ramrod->pstate = &vf->filter_state; | |
645 | ramrod->state = BNX2X_FILTER_RX_MODE_PENDING; | |
646 | ||
647 | set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state); | |
648 | set_bit(RAMROD_RX, &ramrod->ramrod_flags); | |
649 | set_bit(RAMROD_TX, &ramrod->ramrod_flags); | |
650 | ||
651 | ramrod->rdata = bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2); | |
652 | ramrod->rdata_mapping = bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2); | |
653 | } | |
654 | ||
2dc33bbc YM |
655 | int bnx2x_vf_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf, |
656 | int qid, unsigned long accept_flags) | |
954ea748 | 657 | { |
2dc33bbc | 658 | struct bnx2x_rx_mode_ramrod_params ramrod; |
954ea748 | 659 | |
2dc33bbc | 660 | DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid); |
954ea748 | 661 | |
2dc33bbc YM |
662 | bnx2x_vf_prep_rx_mode(bp, qid, &ramrod, vf, accept_flags); |
663 | set_bit(RAMROD_COMP_WAIT, &ramrod.ramrod_flags); | |
664 | vfq_get(vf, qid)->accept_flags = ramrod.rx_accept_flags; | |
665 | return bnx2x_config_rx_mode(bp, &ramrod); | |
954ea748 AE |
666 | } |
667 | ||
2dc33bbc | 668 | int bnx2x_vf_queue_teardown(struct bnx2x *bp, struct bnx2x_virtf *vf, int qid) |
463a68a7 | 669 | { |
2dc33bbc | 670 | int rc; |
463a68a7 | 671 | |
2dc33bbc | 672 | DP(BNX2X_MSG_IOV, "vf[%d:%d]\n", vf->abs_vfid, qid); |
858f4deb | 673 | |
2dc33bbc YM |
674 | /* Remove all classification configuration for leading queue */ |
675 | if (qid == LEADING_IDX) { | |
676 | rc = bnx2x_vf_rxmode(bp, vf, qid, 0); | |
677 | if (rc) | |
463a68a7 | 678 | goto op_err; |
463a68a7 | 679 | |
2dc33bbc YM |
680 | /* Remove filtering if feasible */ |
681 | if (bnx2x_validate_vf_sp_objs(bp, vf, true)) { | |
682 | rc = bnx2x_vf_vlan_mac_clear(bp, vf, qid, | |
683 | false, false); | |
684 | if (rc) | |
685 | goto op_err; | |
686 | rc = bnx2x_vf_vlan_mac_clear(bp, vf, qid, | |
687 | false, true); | |
688 | if (rc) | |
689 | goto op_err; | |
690 | rc = bnx2x_vf_mcast(bp, vf, NULL, 0, false); | |
691 | if (rc) | |
692 | goto op_err; | |
693 | } | |
463a68a7 AE |
694 | } |
695 | ||
2dc33bbc YM |
696 | /* Destroy queue */ |
697 | rc = bnx2x_vf_queue_destroy(bp, vf, qid); | |
698 | if (rc) | |
699 | goto op_err; | |
700 | return rc; | |
701 | op_err: | |
702 | BNX2X_ERR("vf[%d:%d] error: rc %d\n", | |
703 | vf->abs_vfid, qid, rc); | |
704 | return rc; | |
463a68a7 AE |
705 | } |
706 | ||
b56e9670 AE |
707 | /* VF enable primitives |
708 | * when pretend is required the caller is responsible | |
709 | * for calling pretend prior to calling these routines | |
710 | */ | |
711 | ||
b56e9670 | 712 | /* internal vf enable - until vf is enabled internally all transactions |
16a5fd92 | 713 | * are blocked. This routine should always be called last with pretend. |
b56e9670 AE |
714 | */ |
715 | static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable) | |
716 | { | |
717 | REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0); | |
718 | } | |
719 | ||
720 | /* clears vf error in all semi blocks */ | |
721 | static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid) | |
722 | { | |
723 | REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid); | |
724 | REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid); | |
725 | REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid); | |
726 | REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid); | |
727 | } | |
728 | ||
729 | static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid) | |
730 | { | |
731 | u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5; | |
732 | u32 was_err_reg = 0; | |
733 | ||
734 | switch (was_err_group) { | |
735 | case 0: | |
736 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR; | |
737 | break; | |
738 | case 1: | |
739 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR; | |
740 | break; | |
741 | case 2: | |
742 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR; | |
743 | break; | |
744 | case 3: | |
745 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR; | |
746 | break; | |
747 | } | |
748 | REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f)); | |
749 | } | |
750 | ||
b93288d5 AE |
751 | static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf) |
752 | { | |
753 | int i; | |
754 | u32 val; | |
755 | ||
756 | /* Set VF masks and configuration - pretend */ | |
757 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); | |
758 | ||
759 | REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0); | |
760 | REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0); | |
761 | REG_WR(bp, IGU_REG_SB_MASK_LSB, 0); | |
762 | REG_WR(bp, IGU_REG_SB_MASK_MSB, 0); | |
763 | REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0); | |
764 | REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0); | |
765 | ||
766 | val = REG_RD(bp, IGU_REG_VF_CONFIGURATION); | |
767 | val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN); | |
768 | if (vf->cfg_flags & VF_CFG_INT_SIMD) | |
769 | val |= IGU_VF_CONF_SINGLE_ISR_EN; | |
770 | val &= ~IGU_VF_CONF_PARENT_MASK; | |
656493d6 | 771 | val |= (BP_ABS_FUNC(bp) >> 1) << IGU_VF_CONF_PARENT_SHIFT; |
b93288d5 AE |
772 | REG_WR(bp, IGU_REG_VF_CONFIGURATION, val); |
773 | ||
774 | DP(BNX2X_MSG_IOV, | |
656493d6 YM |
775 | "value in IGU_REG_VF_CONFIGURATION of vf %d after write is 0x%08x\n", |
776 | vf->abs_vfid, val); | |
b93288d5 AE |
777 | |
778 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); | |
779 | ||
780 | /* iterate over all queues, clear sb consumer */ | |
781 | for (i = 0; i < vf_sb_count(vf); i++) { | |
782 | u8 igu_sb_id = vf_igu_sb(vf, i); | |
783 | ||
784 | /* zero prod memory */ | |
785 | REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0); | |
786 | ||
787 | /* clear sb state machine */ | |
788 | bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id, | |
789 | false /* VF */); | |
790 | ||
791 | /* disable + update */ | |
792 | bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0, | |
793 | IGU_INT_DISABLE, 1); | |
794 | } | |
795 | } | |
796 | ||
b56e9670 AE |
797 | void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid) |
798 | { | |
799 | /* set the VF-PF association in the FW */ | |
800 | storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp)); | |
801 | storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1); | |
802 | ||
803 | /* clear vf errors*/ | |
804 | bnx2x_vf_semi_clear_err(bp, abs_vfid); | |
805 | bnx2x_vf_pglue_clear_err(bp, abs_vfid); | |
806 | ||
807 | /* internal vf-enable - pretend */ | |
808 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid)); | |
809 | DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid); | |
810 | bnx2x_vf_enable_internal(bp, true); | |
811 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); | |
812 | } | |
813 | ||
b93288d5 AE |
814 | static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf) |
815 | { | |
816 | /* Reset vf in IGU interrupts are still disabled */ | |
817 | bnx2x_vf_igu_reset(bp, vf); | |
818 | ||
819 | /* pretend to enable the vf with the PBF */ | |
820 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); | |
821 | REG_WR(bp, PBF_REG_DISABLE_VF, 0); | |
822 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); | |
823 | } | |
824 | ||
b56e9670 AE |
825 | static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid) |
826 | { | |
827 | struct pci_dev *dev; | |
828 | struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); | |
829 | ||
830 | if (!vf) | |
78c3bcc5 | 831 | return false; |
b56e9670 AE |
832 | |
833 | dev = pci_get_bus_and_slot(vf->bus, vf->devfn); | |
834 | if (dev) | |
835 | return bnx2x_is_pcie_pending(dev); | |
b56e9670 AE |
836 | return false; |
837 | } | |
838 | ||
839 | int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid) | |
840 | { | |
b56e9670 AE |
841 | /* Verify no pending pci transactions */ |
842 | if (bnx2x_vf_is_pcie_pending(bp, abs_vfid)) | |
843 | BNX2X_ERR("PCIE Transactions still pending\n"); | |
844 | ||
845 | return 0; | |
846 | } | |
847 | ||
1a3d9424 YM |
848 | static void bnx2x_iov_re_set_vlan_filters(struct bnx2x *bp, |
849 | struct bnx2x_virtf *vf, | |
850 | int new) | |
851 | { | |
852 | int num = vf_vlan_rules_cnt(vf); | |
853 | int diff = new - num; | |
854 | bool rc = true; | |
855 | ||
856 | DP(BNX2X_MSG_IOV, "vf[%d] - %d vlan filter credits [previously %d]\n", | |
857 | vf->abs_vfid, new, num); | |
858 | ||
859 | if (diff > 0) | |
860 | rc = bp->vlans_pool.get(&bp->vlans_pool, diff); | |
861 | else if (diff < 0) | |
862 | rc = bp->vlans_pool.put(&bp->vlans_pool, -diff); | |
863 | ||
864 | if (rc) | |
865 | vf_vlan_rules_cnt(vf) = new; | |
866 | else | |
867 | DP(BNX2X_MSG_IOV, "vf[%d] - Failed to configure vlan filter credits change\n", | |
868 | vf->abs_vfid); | |
869 | } | |
870 | ||
b56e9670 AE |
871 | /* must be called after the number of PF queues and the number of VFs are |
872 | * both known | |
873 | */ | |
874 | static void | |
b9871bcf | 875 | bnx2x_iov_static_resc(struct bnx2x *bp, struct bnx2x_virtf *vf) |
b56e9670 | 876 | { |
b9871bcf | 877 | struct vf_pf_resc_request *resc = &vf->alloc_resc; |
b56e9670 AE |
878 | u16 vlan_count = 0; |
879 | ||
880 | /* will be set only during VF-ACQUIRE */ | |
881 | resc->num_rxqs = 0; | |
882 | resc->num_txqs = 0; | |
883 | ||
b9871bcf | 884 | /* no credit calculations for macs (just yet) */ |
b56e9670 AE |
885 | resc->num_mac_filters = 1; |
886 | ||
887 | /* divvy up vlan rules */ | |
1a3d9424 | 888 | bnx2x_iov_re_set_vlan_filters(bp, vf, 0); |
b56e9670 AE |
889 | vlan_count = bp->vlans_pool.check(&bp->vlans_pool); |
890 | vlan_count = 1 << ilog2(vlan_count); | |
1a3d9424 YM |
891 | bnx2x_iov_re_set_vlan_filters(bp, vf, |
892 | vlan_count / BNX2X_NR_VIRTFN(bp)); | |
b56e9670 AE |
893 | |
894 | /* no real limitation */ | |
895 | resc->num_mc_filters = 0; | |
896 | ||
897 | /* num_sbs already set */ | |
b9871bcf | 898 | resc->num_sbs = vf->sb_count; |
b56e9670 AE |
899 | } |
900 | ||
f1929b01 AE |
901 | /* FLR routines: */ |
902 | static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
903 | { | |
904 | /* reset the state variables */ | |
b9871bcf | 905 | bnx2x_iov_static_resc(bp, vf); |
f1929b01 AE |
906 | vf->state = VF_FREE; |
907 | } | |
908 | ||
d16132ce AE |
909 | static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf) |
910 | { | |
911 | u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp); | |
912 | ||
913 | /* DQ usage counter */ | |
914 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); | |
915 | bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT, | |
916 | "DQ VF usage counter timed out", | |
917 | poll_cnt); | |
918 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); | |
919 | ||
920 | /* FW cleanup command - poll for the results */ | |
921 | if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid), | |
922 | poll_cnt)) | |
923 | BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid); | |
924 | ||
925 | /* verify TX hw is flushed */ | |
926 | bnx2x_tx_hw_flushed(bp, poll_cnt); | |
927 | } | |
928 | ||
2dc33bbc | 929 | static void bnx2x_vf_flr(struct bnx2x *bp, struct bnx2x_virtf *vf) |
d16132ce | 930 | { |
2dc33bbc | 931 | int rc, i; |
d16132ce | 932 | |
2dc33bbc | 933 | DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid); |
d16132ce | 934 | |
2dc33bbc YM |
935 | /* the cleanup operations are valid if and only if the VF |
936 | * was first acquired. | |
937 | */ | |
938 | for (i = 0; i < vf_rxq_count(vf); i++) { | |
939 | rc = bnx2x_vf_queue_flr(bp, vf, i); | |
940 | if (rc) | |
941 | goto out; | |
942 | } | |
d16132ce | 943 | |
2dc33bbc YM |
944 | /* remove multicasts */ |
945 | bnx2x_vf_mcast(bp, vf, NULL, 0, true); | |
d16132ce | 946 | |
2dc33bbc YM |
947 | /* dispatch final cleanup and wait for HW queues to flush */ |
948 | bnx2x_vf_flr_clnup_hw(bp, vf); | |
d16132ce | 949 | |
2dc33bbc YM |
950 | /* release VF resources */ |
951 | bnx2x_vf_free_resc(bp, vf); | |
d16132ce | 952 | |
2dc33bbc YM |
953 | /* re-open the mailbox */ |
954 | bnx2x_vf_enable_mbx(bp, vf->abs_vfid); | |
955 | return; | |
956 | out: | |
957 | BNX2X_ERR("vf[%d:%d] failed flr: rc %d\n", | |
958 | vf->abs_vfid, i, rc); | |
d16132ce AE |
959 | } |
960 | ||
2dc33bbc | 961 | static void bnx2x_vf_flr_clnup(struct bnx2x *bp) |
d16132ce | 962 | { |
d16132ce | 963 | struct bnx2x_virtf *vf; |
2dc33bbc | 964 | int i; |
d16132ce | 965 | |
2dc33bbc YM |
966 | for (i = 0; i < BNX2X_NR_VIRTFN(bp); i++) { |
967 | /* VF should be RESET & in FLR cleanup states */ | |
968 | if (bnx2x_vf(bp, i, state) != VF_RESET || | |
969 | !bnx2x_vf(bp, i, flr_clnup_stage)) | |
970 | continue; | |
d16132ce | 971 | |
2dc33bbc YM |
972 | DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. Num of vfs: %d\n", |
973 | i, BNX2X_NR_VIRTFN(bp)); | |
d16132ce | 974 | |
d16132ce AE |
975 | vf = BP_VF(bp, i); |
976 | ||
977 | /* lock the vf pf channel */ | |
978 | bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR); | |
979 | ||
980 | /* invoke the VF FLR SM */ | |
2dc33bbc | 981 | bnx2x_vf_flr(bp, vf); |
d16132ce | 982 | |
2dc33bbc YM |
983 | /* mark the VF to be ACKED and continue */ |
984 | vf->flr_clnup_stage = false; | |
985 | bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR); | |
d16132ce AE |
986 | } |
987 | ||
988 | /* Acknowledge the handled VFs. | |
989 | * we are acknowledge all the vfs which an flr was requested for, even | |
990 | * if amongst them there are such that we never opened, since the mcp | |
991 | * will interrupt us immediately again if we only ack some of the bits, | |
992 | * resulting in an endless loop. This can happen for example in KVM | |
993 | * where an 'all ones' flr request is sometimes given by hyper visor | |
994 | */ | |
995 | DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n", | |
996 | bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]); | |
997 | for (i = 0; i < FLRD_VFS_DWORDS; i++) | |
998 | SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], | |
999 | bp->vfdb->flrd_vfs[i]); | |
1000 | ||
1001 | bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0); | |
1002 | ||
1003 | /* clear the acked bits - better yet if the MCP implemented | |
1004 | * write to clear semantics | |
1005 | */ | |
1006 | for (i = 0; i < FLRD_VFS_DWORDS; i++) | |
1007 | SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0); | |
1008 | } | |
1009 | ||
1010 | void bnx2x_vf_handle_flr_event(struct bnx2x *bp) | |
1011 | { | |
1012 | int i; | |
1013 | ||
1014 | /* Read FLR'd VFs */ | |
1015 | for (i = 0; i < FLRD_VFS_DWORDS; i++) | |
1016 | bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]); | |
1017 | ||
1018 | DP(BNX2X_MSG_MCP, | |
1019 | "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n", | |
1020 | bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]); | |
1021 | ||
1022 | for_each_vf(bp, i) { | |
1023 | struct bnx2x_virtf *vf = BP_VF(bp, i); | |
1024 | u32 reset = 0; | |
1025 | ||
1026 | if (vf->abs_vfid < 32) | |
1027 | reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid); | |
1028 | else | |
1029 | reset = bp->vfdb->flrd_vfs[1] & | |
1030 | (1 << (vf->abs_vfid - 32)); | |
1031 | ||
1032 | if (reset) { | |
1033 | /* set as reset and ready for cleanup */ | |
1034 | vf->state = VF_RESET; | |
2dc33bbc | 1035 | vf->flr_clnup_stage = true; |
d16132ce AE |
1036 | |
1037 | DP(BNX2X_MSG_IOV, | |
1038 | "Initiating Final cleanup for VF %d\n", | |
1039 | vf->abs_vfid); | |
1040 | } | |
1041 | } | |
1042 | ||
1043 | /* do the FLR cleanup for all marked VFs*/ | |
2dc33bbc | 1044 | bnx2x_vf_flr_clnup(bp); |
d16132ce AE |
1045 | } |
1046 | ||
b56e9670 AE |
1047 | /* IOV global initialization routines */ |
1048 | void bnx2x_iov_init_dq(struct bnx2x *bp) | |
1049 | { | |
1050 | if (!IS_SRIOV(bp)) | |
1051 | return; | |
1052 | ||
1053 | /* Set the DQ such that the CID reflect the abs_vfid */ | |
1054 | REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0); | |
1055 | REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS)); | |
1056 | ||
1057 | /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to | |
1058 | * the PF L2 queues | |
1059 | */ | |
1060 | REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID); | |
1061 | ||
1062 | /* The VF window size is the log2 of the max number of CIDs per VF */ | |
1063 | REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND); | |
1064 | ||
1065 | /* The VF doorbell size 0 - *B, 4 - 128B. We set it here to match | |
1066 | * the Pf doorbell size although the 2 are independent. | |
1067 | */ | |
b9871bcf | 1068 | REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST, 3); |
b56e9670 AE |
1069 | |
1070 | /* No security checks for now - | |
1071 | * configure single rule (out of 16) mask = 0x1, value = 0x0, | |
1072 | * CID range 0 - 0x1ffff | |
1073 | */ | |
1074 | REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1); | |
1075 | REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0); | |
1076 | REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0); | |
1077 | REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff); | |
1078 | ||
f2cfa997 AE |
1079 | /* set the VF doorbell threshold. This threshold represents the amount |
1080 | * of doorbells allowed in the main DORQ fifo for a specific VF. | |
1081 | */ | |
1082 | REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 64); | |
b56e9670 AE |
1083 | } |
1084 | ||
1085 | void bnx2x_iov_init_dmae(struct bnx2x *bp) | |
1086 | { | |
49baea88 AE |
1087 | if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV)) |
1088 | REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0); | |
b56e9670 AE |
1089 | } |
1090 | ||
1091 | static int bnx2x_vf_bus(struct bnx2x *bp, int vfid) | |
1092 | { | |
1093 | struct pci_dev *dev = bp->pdev; | |
1094 | struct bnx2x_sriov *iov = &bp->vfdb->sriov; | |
1095 | ||
1096 | return dev->bus->number + ((dev->devfn + iov->offset + | |
1097 | iov->stride * vfid) >> 8); | |
1098 | } | |
1099 | ||
1100 | static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid) | |
1101 | { | |
1102 | struct pci_dev *dev = bp->pdev; | |
1103 | struct bnx2x_sriov *iov = &bp->vfdb->sriov; | |
1104 | ||
1105 | return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff; | |
1106 | } | |
1107 | ||
1108 | static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
1109 | { | |
1110 | int i, n; | |
1111 | struct pci_dev *dev = bp->pdev; | |
1112 | struct bnx2x_sriov *iov = &bp->vfdb->sriov; | |
1113 | ||
1114 | for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) { | |
1115 | u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i); | |
1116 | u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i); | |
1117 | ||
6411280a | 1118 | size /= iov->total; |
b56e9670 AE |
1119 | vf->bars[n].bar = start + size * vf->abs_vfid; |
1120 | vf->bars[n].size = size; | |
1121 | } | |
1122 | } | |
1123 | ||
8db573ba AE |
1124 | static int bnx2x_ari_enabled(struct pci_dev *dev) |
1125 | { | |
1126 | return dev->bus->self && dev->bus->self->ari_enabled; | |
1127 | } | |
1128 | ||
0d8de80f | 1129 | static int |
8db573ba AE |
1130 | bnx2x_get_vf_igu_cam_info(struct bnx2x *bp) |
1131 | { | |
1132 | int sb_id; | |
1133 | u32 val; | |
b9871bcf | 1134 | u8 fid, current_pf = 0; |
8db573ba AE |
1135 | |
1136 | /* IGU in normal mode - read CAM */ | |
1137 | for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) { | |
1138 | val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4); | |
1139 | if (!(val & IGU_REG_MAPPING_MEMORY_VALID)) | |
1140 | continue; | |
1141 | fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID); | |
b9871bcf AE |
1142 | if (fid & IGU_FID_ENCODE_IS_PF) |
1143 | current_pf = fid & IGU_FID_PF_NUM_MASK; | |
9ea75ded | 1144 | else if (current_pf == BP_FUNC(bp)) |
8db573ba AE |
1145 | bnx2x_vf_set_igu_info(bp, sb_id, |
1146 | (fid & IGU_FID_VF_NUM_MASK)); | |
8db573ba AE |
1147 | DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n", |
1148 | ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"), | |
1149 | ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) : | |
1150 | (fid & IGU_FID_VF_NUM_MASK)), sb_id, | |
1151 | GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)); | |
1152 | } | |
b9871bcf | 1153 | DP(BNX2X_MSG_IOV, "vf_sbs_pool is %d\n", BP_VFDB(bp)->vf_sbs_pool); |
0d8de80f | 1154 | return BP_VFDB(bp)->vf_sbs_pool; |
8db573ba AE |
1155 | } |
1156 | ||
1157 | static void __bnx2x_iov_free_vfdb(struct bnx2x *bp) | |
1158 | { | |
1159 | if (bp->vfdb) { | |
1160 | kfree(bp->vfdb->vfqs); | |
1161 | kfree(bp->vfdb->vfs); | |
1162 | kfree(bp->vfdb); | |
1163 | } | |
1164 | bp->vfdb = NULL; | |
1165 | } | |
1166 | ||
1167 | static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov) | |
1168 | { | |
1169 | int pos; | |
1170 | struct pci_dev *dev = bp->pdev; | |
1171 | ||
1172 | pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV); | |
1173 | if (!pos) { | |
1174 | BNX2X_ERR("failed to find SRIOV capability in device\n"); | |
1175 | return -ENODEV; | |
1176 | } | |
1177 | ||
1178 | iov->pos = pos; | |
1179 | DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos); | |
1180 | pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl); | |
1181 | pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total); | |
1182 | pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial); | |
1183 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset); | |
1184 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride); | |
1185 | pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz); | |
1186 | pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap); | |
1187 | pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link); | |
1188 | ||
1189 | return 0; | |
1190 | } | |
1191 | ||
1192 | static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov) | |
1193 | { | |
1194 | u32 val; | |
1195 | ||
1196 | /* read the SRIOV capability structure | |
1197 | * The fields can be read via configuration read or | |
1198 | * directly from the device (starting at offset PCICFG_OFFSET) | |
1199 | */ | |
1200 | if (bnx2x_sriov_pci_cfg_info(bp, iov)) | |
1201 | return -ENODEV; | |
1202 | ||
1203 | /* get the number of SRIOV bars */ | |
1204 | iov->nres = 0; | |
1205 | ||
1206 | /* read the first_vfid */ | |
1207 | val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF); | |
1208 | iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK) | |
1209 | * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp)); | |
1210 | ||
1211 | DP(BNX2X_MSG_IOV, | |
1212 | "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", | |
1213 | BP_FUNC(bp), | |
1214 | iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total, | |
1215 | iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz); | |
1216 | ||
1217 | return 0; | |
1218 | } | |
1219 | ||
8db573ba AE |
1220 | /* must be called after PF bars are mapped */ |
1221 | int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param, | |
b9871bcf | 1222 | int num_vfs_param) |
8db573ba | 1223 | { |
b9871bcf | 1224 | int err, i; |
8db573ba AE |
1225 | struct bnx2x_sriov *iov; |
1226 | struct pci_dev *dev = bp->pdev; | |
1227 | ||
1228 | bp->vfdb = NULL; | |
1229 | ||
1230 | /* verify is pf */ | |
1231 | if (IS_VF(bp)) | |
1232 | return 0; | |
1233 | ||
1234 | /* verify sriov capability is present in configuration space */ | |
1235 | if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV)) | |
1236 | return 0; | |
1237 | ||
1238 | /* verify chip revision */ | |
1239 | if (CHIP_IS_E1x(bp)) | |
1240 | return 0; | |
1241 | ||
1242 | /* check if SRIOV support is turned off */ | |
1243 | if (!num_vfs_param) | |
1244 | return 0; | |
1245 | ||
1246 | /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */ | |
1247 | if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) { | |
1248 | BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n", | |
1249 | BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID); | |
1250 | return 0; | |
1251 | } | |
1252 | ||
1253 | /* SRIOV can be enabled only with MSIX */ | |
1254 | if (int_mode_param == BNX2X_INT_MODE_MSI || | |
10938604 | 1255 | int_mode_param == BNX2X_INT_MODE_INTX) { |
8db573ba | 1256 | BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n"); |
10938604 AE |
1257 | return 0; |
1258 | } | |
8db573ba AE |
1259 | |
1260 | err = -EIO; | |
1261 | /* verify ari is enabled */ | |
1262 | if (!bnx2x_ari_enabled(bp->pdev)) { | |
10938604 AE |
1263 | BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n"); |
1264 | return 0; | |
8db573ba AE |
1265 | } |
1266 | ||
1267 | /* verify igu is in normal mode */ | |
1268 | if (CHIP_INT_MODE_IS_BC(bp)) { | |
1269 | BNX2X_ERR("IGU not normal mode, SRIOV can not be enabled\n"); | |
10938604 | 1270 | return 0; |
8db573ba AE |
1271 | } |
1272 | ||
1273 | /* allocate the vfs database */ | |
1274 | bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL); | |
1275 | if (!bp->vfdb) { | |
1276 | BNX2X_ERR("failed to allocate vf database\n"); | |
1277 | err = -ENOMEM; | |
1278 | goto failed; | |
1279 | } | |
1280 | ||
1281 | /* get the sriov info - Linux already collected all the pertinent | |
1282 | * information, however the sriov structure is for the private use | |
1283 | * of the pci module. Also we want this information regardless | |
1284 | * of the hyper-visor. | |
1285 | */ | |
1286 | iov = &(bp->vfdb->sriov); | |
1287 | err = bnx2x_sriov_info(bp, iov); | |
1288 | if (err) | |
1289 | goto failed; | |
1290 | ||
1291 | /* SR-IOV capability was enabled but there are no VFs*/ | |
1292 | if (iov->total == 0) | |
1293 | goto failed; | |
1294 | ||
3c76feff AE |
1295 | iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param); |
1296 | ||
1297 | DP(BNX2X_MSG_IOV, "num_vfs_param was %d, nr_virtfn was %d\n", | |
1298 | num_vfs_param, iov->nr_virtfn); | |
8db573ba AE |
1299 | |
1300 | /* allocate the vf array */ | |
1301 | bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) * | |
1302 | BNX2X_NR_VIRTFN(bp), GFP_KERNEL); | |
1303 | if (!bp->vfdb->vfs) { | |
1304 | BNX2X_ERR("failed to allocate vf array\n"); | |
1305 | err = -ENOMEM; | |
1306 | goto failed; | |
1307 | } | |
1308 | ||
1309 | /* Initial VF init - index and abs_vfid - nr_virtfn must be set */ | |
1310 | for_each_vf(bp, i) { | |
1311 | bnx2x_vf(bp, i, index) = i; | |
1312 | bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i; | |
1313 | bnx2x_vf(bp, i, state) = VF_FREE; | |
8db573ba AE |
1314 | mutex_init(&bnx2x_vf(bp, i, op_mutex)); |
1315 | bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE; | |
1316 | } | |
1317 | ||
1318 | /* re-read the IGU CAM for VFs - index and abs_vfid must be set */ | |
0d8de80f YM |
1319 | if (!bnx2x_get_vf_igu_cam_info(bp)) { |
1320 | BNX2X_ERR("No entries in IGU CAM for vfs\n"); | |
1321 | err = -EINVAL; | |
1322 | goto failed; | |
1323 | } | |
8db573ba | 1324 | |
8db573ba | 1325 | /* allocate the queue arrays for all VFs */ |
b9871bcf AE |
1326 | bp->vfdb->vfqs = kzalloc( |
1327 | BNX2X_MAX_NUM_VF_QUEUES * sizeof(struct bnx2x_vf_queue), | |
1328 | GFP_KERNEL); | |
1329 | ||
8db573ba AE |
1330 | if (!bp->vfdb->vfqs) { |
1331 | BNX2X_ERR("failed to allocate vf queue array\n"); | |
1332 | err = -ENOMEM; | |
1333 | goto failed; | |
1334 | } | |
1335 | ||
370d4a26 YM |
1336 | /* Prepare the VFs event synchronization mechanism */ |
1337 | mutex_init(&bp->vfdb->event_mutex); | |
1338 | ||
6495d15a DK |
1339 | mutex_init(&bp->vfdb->bulletin_mutex); |
1340 | ||
8db573ba AE |
1341 | return 0; |
1342 | failed: | |
1343 | DP(BNX2X_MSG_IOV, "Failed err=%d\n", err); | |
1344 | __bnx2x_iov_free_vfdb(bp); | |
1345 | return err; | |
1346 | } | |
1347 | ||
fd1fc79d AE |
1348 | void bnx2x_iov_remove_one(struct bnx2x *bp) |
1349 | { | |
826cb7b4 AE |
1350 | int vf_idx; |
1351 | ||
fd1fc79d AE |
1352 | /* if SRIOV is not enabled there's nothing to do */ |
1353 | if (!IS_SRIOV(bp)) | |
1354 | return; | |
1355 | ||
a345ce71 | 1356 | bnx2x_disable_sriov(bp); |
8395be5e | 1357 | |
826cb7b4 AE |
1358 | /* disable access to all VFs */ |
1359 | for (vf_idx = 0; vf_idx < bp->vfdb->sriov.total; vf_idx++) { | |
1360 | bnx2x_pretend_func(bp, | |
1361 | HW_VF_HANDLE(bp, | |
1362 | bp->vfdb->sriov.first_vf_in_pf + | |
1363 | vf_idx)); | |
1364 | DP(BNX2X_MSG_IOV, "disabling internal access for vf %d\n", | |
1365 | bp->vfdb->sriov.first_vf_in_pf + vf_idx); | |
1366 | bnx2x_vf_enable_internal(bp, 0); | |
1367 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); | |
1368 | } | |
1369 | ||
fd1fc79d AE |
1370 | /* free vf database */ |
1371 | __bnx2x_iov_free_vfdb(bp); | |
1372 | } | |
1373 | ||
b56e9670 AE |
1374 | void bnx2x_iov_free_mem(struct bnx2x *bp) |
1375 | { | |
1376 | int i; | |
1377 | ||
1378 | if (!IS_SRIOV(bp)) | |
1379 | return; | |
1380 | ||
1381 | /* free vfs hw contexts */ | |
1382 | for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) { | |
1383 | struct hw_dma *cxt = &bp->vfdb->context[i]; | |
1384 | BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size); | |
1385 | } | |
1386 | ||
1387 | BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr, | |
1388 | BP_VFDB(bp)->sp_dma.mapping, | |
1389 | BP_VFDB(bp)->sp_dma.size); | |
1390 | ||
1391 | BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr, | |
1392 | BP_VF_MBX_DMA(bp)->mapping, | |
1393 | BP_VF_MBX_DMA(bp)->size); | |
abc5a021 AE |
1394 | |
1395 | BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr, | |
1396 | BP_VF_BULLETIN_DMA(bp)->mapping, | |
1397 | BP_VF_BULLETIN_DMA(bp)->size); | |
b56e9670 AE |
1398 | } |
1399 | ||
1400 | int bnx2x_iov_alloc_mem(struct bnx2x *bp) | |
1401 | { | |
1402 | size_t tot_size; | |
1403 | int i, rc = 0; | |
1404 | ||
1405 | if (!IS_SRIOV(bp)) | |
1406 | return rc; | |
1407 | ||
1408 | /* allocate vfs hw contexts */ | |
1409 | tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) * | |
1410 | BNX2X_CIDS_PER_VF * sizeof(union cdu_context); | |
1411 | ||
1412 | for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) { | |
1413 | struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i); | |
1414 | cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ); | |
1415 | ||
1416 | if (cxt->size) { | |
cd2b0389 JP |
1417 | cxt->addr = BNX2X_PCI_ALLOC(&cxt->mapping, cxt->size); |
1418 | if (!cxt->addr) | |
1419 | goto alloc_mem_err; | |
b56e9670 AE |
1420 | } else { |
1421 | cxt->addr = NULL; | |
1422 | cxt->mapping = 0; | |
1423 | } | |
1424 | tot_size -= cxt->size; | |
1425 | } | |
1426 | ||
1427 | /* allocate vfs ramrods dma memory - client_init and set_mac */ | |
1428 | tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp); | |
cd2b0389 JP |
1429 | BP_VFDB(bp)->sp_dma.addr = BNX2X_PCI_ALLOC(&BP_VFDB(bp)->sp_dma.mapping, |
1430 | tot_size); | |
1431 | if (!BP_VFDB(bp)->sp_dma.addr) | |
1432 | goto alloc_mem_err; | |
b56e9670 AE |
1433 | BP_VFDB(bp)->sp_dma.size = tot_size; |
1434 | ||
1435 | /* allocate mailboxes */ | |
1436 | tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE; | |
cd2b0389 JP |
1437 | BP_VF_MBX_DMA(bp)->addr = BNX2X_PCI_ALLOC(&BP_VF_MBX_DMA(bp)->mapping, |
1438 | tot_size); | |
1439 | if (!BP_VF_MBX_DMA(bp)->addr) | |
1440 | goto alloc_mem_err; | |
1441 | ||
b56e9670 AE |
1442 | BP_VF_MBX_DMA(bp)->size = tot_size; |
1443 | ||
abc5a021 AE |
1444 | /* allocate local bulletin boards */ |
1445 | tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE; | |
cd2b0389 JP |
1446 | BP_VF_BULLETIN_DMA(bp)->addr = BNX2X_PCI_ALLOC(&BP_VF_BULLETIN_DMA(bp)->mapping, |
1447 | tot_size); | |
1448 | if (!BP_VF_BULLETIN_DMA(bp)->addr) | |
1449 | goto alloc_mem_err; | |
1450 | ||
abc5a021 AE |
1451 | BP_VF_BULLETIN_DMA(bp)->size = tot_size; |
1452 | ||
b56e9670 AE |
1453 | return 0; |
1454 | ||
1455 | alloc_mem_err: | |
1456 | return -ENOMEM; | |
1457 | } | |
1458 | ||
8ca5e17e AE |
1459 | static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf, |
1460 | struct bnx2x_vf_queue *q) | |
1461 | { | |
1462 | u8 cl_id = vfq_cl_id(vf, q); | |
1463 | u8 func_id = FW_VF_HANDLE(vf->abs_vfid); | |
1464 | unsigned long q_type = 0; | |
1465 | ||
1466 | set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); | |
1467 | set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); | |
1468 | ||
1469 | /* Queue State object */ | |
1470 | bnx2x_init_queue_obj(bp, &q->sp_obj, | |
1471 | cl_id, &q->cid, 1, func_id, | |
1472 | bnx2x_vf_sp(bp, vf, q_data), | |
1473 | bnx2x_vf_sp_map(bp, vf, q_data), | |
1474 | q_type); | |
1475 | ||
3a3534ec YM |
1476 | /* sp indication is set only when vlan/mac/etc. are initialized */ |
1477 | q->sp_initialized = false; | |
1478 | ||
8ca5e17e | 1479 | DP(BNX2X_MSG_IOV, |
b9871bcf AE |
1480 | "initialized vf %d's queue object. func id set to %d. cid set to 0x%x\n", |
1481 | vf->abs_vfid, q->sp_obj.func_id, q->cid); | |
8ca5e17e AE |
1482 | } |
1483 | ||
6495d15a DK |
1484 | static int bnx2x_max_speed_cap(struct bnx2x *bp) |
1485 | { | |
1486 | u32 supported = bp->port.supported[bnx2x_get_link_cfg_idx(bp)]; | |
1487 | ||
1488 | if (supported & | |
1489 | (SUPPORTED_20000baseMLD2_Full | SUPPORTED_20000baseKR2_Full)) | |
1490 | return 20000; | |
1491 | ||
1492 | return 10000; /* assume lowest supported speed is 10G */ | |
1493 | } | |
1494 | ||
1495 | int bnx2x_iov_link_update_vf(struct bnx2x *bp, int idx) | |
1496 | { | |
1497 | struct bnx2x_link_report_data *state = &bp->last_reported_link; | |
1498 | struct pf_vf_bulletin_content *bulletin; | |
1499 | struct bnx2x_virtf *vf; | |
1500 | bool update = true; | |
1501 | int rc = 0; | |
1502 | ||
1503 | /* sanity and init */ | |
1504 | rc = bnx2x_vf_op_prep(bp, idx, &vf, &bulletin, false); | |
1505 | if (rc) | |
1506 | return rc; | |
1507 | ||
1508 | mutex_lock(&bp->vfdb->bulletin_mutex); | |
1509 | ||
1510 | if (vf->link_cfg == IFLA_VF_LINK_STATE_AUTO) { | |
1511 | bulletin->valid_bitmap |= 1 << LINK_VALID; | |
1512 | ||
1513 | bulletin->link_speed = state->line_speed; | |
1514 | bulletin->link_flags = 0; | |
1515 | if (test_bit(BNX2X_LINK_REPORT_LINK_DOWN, | |
1516 | &state->link_report_flags)) | |
1517 | bulletin->link_flags |= VFPF_LINK_REPORT_LINK_DOWN; | |
1518 | if (test_bit(BNX2X_LINK_REPORT_FD, | |
1519 | &state->link_report_flags)) | |
1520 | bulletin->link_flags |= VFPF_LINK_REPORT_FULL_DUPLEX; | |
1521 | if (test_bit(BNX2X_LINK_REPORT_RX_FC_ON, | |
1522 | &state->link_report_flags)) | |
1523 | bulletin->link_flags |= VFPF_LINK_REPORT_RX_FC_ON; | |
1524 | if (test_bit(BNX2X_LINK_REPORT_TX_FC_ON, | |
1525 | &state->link_report_flags)) | |
1526 | bulletin->link_flags |= VFPF_LINK_REPORT_TX_FC_ON; | |
1527 | } else if (vf->link_cfg == IFLA_VF_LINK_STATE_DISABLE && | |
1528 | !(bulletin->link_flags & VFPF_LINK_REPORT_LINK_DOWN)) { | |
1529 | bulletin->valid_bitmap |= 1 << LINK_VALID; | |
1530 | bulletin->link_flags |= VFPF_LINK_REPORT_LINK_DOWN; | |
1531 | } else if (vf->link_cfg == IFLA_VF_LINK_STATE_ENABLE && | |
1532 | (bulletin->link_flags & VFPF_LINK_REPORT_LINK_DOWN)) { | |
1533 | bulletin->valid_bitmap |= 1 << LINK_VALID; | |
1534 | bulletin->link_speed = bnx2x_max_speed_cap(bp); | |
1535 | bulletin->link_flags &= ~VFPF_LINK_REPORT_LINK_DOWN; | |
1536 | } else { | |
1537 | update = false; | |
1538 | } | |
1539 | ||
1540 | if (update) { | |
1541 | DP(NETIF_MSG_LINK | BNX2X_MSG_IOV, | |
1542 | "vf %d mode %u speed %d flags %x\n", idx, | |
1543 | vf->link_cfg, bulletin->link_speed, bulletin->link_flags); | |
1544 | ||
1545 | /* Post update on VF's bulletin board */ | |
1546 | rc = bnx2x_post_vf_bulletin(bp, idx); | |
1547 | if (rc) { | |
1548 | BNX2X_ERR("failed to update VF[%d] bulletin\n", idx); | |
1549 | goto out; | |
1550 | } | |
1551 | } | |
1552 | ||
1553 | out: | |
1554 | mutex_unlock(&bp->vfdb->bulletin_mutex); | |
1555 | return rc; | |
1556 | } | |
1557 | ||
1558 | int bnx2x_set_vf_link_state(struct net_device *dev, int idx, int link_state) | |
1559 | { | |
1560 | struct bnx2x *bp = netdev_priv(dev); | |
1561 | struct bnx2x_virtf *vf = BP_VF(bp, idx); | |
1562 | ||
1563 | if (!vf) | |
1564 | return -EINVAL; | |
1565 | ||
1566 | if (vf->link_cfg == link_state) | |
1567 | return 0; /* nothing todo */ | |
1568 | ||
1569 | vf->link_cfg = link_state; | |
1570 | ||
1571 | return bnx2x_iov_link_update_vf(bp, idx); | |
1572 | } | |
1573 | ||
1574 | void bnx2x_iov_link_update(struct bnx2x *bp) | |
1575 | { | |
1576 | int vfid; | |
1577 | ||
1578 | if (!IS_SRIOV(bp)) | |
1579 | return; | |
1580 | ||
1581 | for_each_vf(bp, vfid) | |
1582 | bnx2x_iov_link_update_vf(bp, vfid); | |
1583 | } | |
1584 | ||
b56e9670 AE |
1585 | /* called by bnx2x_nic_load */ |
1586 | int bnx2x_iov_nic_init(struct bnx2x *bp) | |
1587 | { | |
b9871bcf | 1588 | int vfid; |
b56e9670 AE |
1589 | |
1590 | if (!IS_SRIOV(bp)) { | |
1591 | DP(BNX2X_MSG_IOV, "vfdb was not allocated\n"); | |
1592 | return 0; | |
1593 | } | |
1594 | ||
1595 | DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn); | |
1596 | ||
03c22ea3 AE |
1597 | /* let FLR complete ... */ |
1598 | msleep(100); | |
1599 | ||
b56e9670 AE |
1600 | /* initialize vf database */ |
1601 | for_each_vf(bp, vfid) { | |
1602 | struct bnx2x_virtf *vf = BP_VF(bp, vfid); | |
1603 | ||
1604 | int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) * | |
1605 | BNX2X_CIDS_PER_VF; | |
1606 | ||
1607 | union cdu_context *base_cxt = (union cdu_context *) | |
1608 | BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr + | |
1609 | (base_vf_cid & (ILT_PAGE_CIDS-1)); | |
1610 | ||
1611 | DP(BNX2X_MSG_IOV, | |
1612 | "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n", | |
1613 | vf->abs_vfid, vf_sb_count(vf), base_vf_cid, | |
1614 | BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt); | |
1615 | ||
1616 | /* init statically provisioned resources */ | |
b9871bcf | 1617 | bnx2x_iov_static_resc(bp, vf); |
b56e9670 AE |
1618 | |
1619 | /* queues are initialized during VF-ACQUIRE */ | |
b56e9670 AE |
1620 | vf->filter_state = 0; |
1621 | vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id); | |
1622 | ||
1623 | /* init mcast object - This object will be re-initialized | |
1624 | * during VF-ACQUIRE with the proper cl_id and cid. | |
1625 | * It needs to be initialized here so that it can be safely | |
1626 | * handled by a subsequent FLR flow. | |
1627 | */ | |
858f4deb | 1628 | vf->mcast_list_len = 0; |
b56e9670 AE |
1629 | bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF, |
1630 | 0xFF, 0xFF, 0xFF, | |
1631 | bnx2x_vf_sp(bp, vf, mcast_rdata), | |
1632 | bnx2x_vf_sp_map(bp, vf, mcast_rdata), | |
1633 | BNX2X_FILTER_MCAST_PENDING, | |
1634 | &vf->filter_state, | |
1635 | BNX2X_OBJ_TYPE_RX_TX); | |
1636 | ||
1637 | /* set the mailbox message addresses */ | |
1638 | BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *) | |
1639 | (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid * | |
1640 | MBX_MSG_ALIGNED_SIZE); | |
1641 | ||
1642 | BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping + | |
1643 | vfid * MBX_MSG_ALIGNED_SIZE; | |
1644 | ||
1645 | /* Enable vf mailbox */ | |
1646 | bnx2x_vf_enable_mbx(bp, vf->abs_vfid); | |
1647 | } | |
1648 | ||
1649 | /* Final VF init */ | |
b9871bcf AE |
1650 | for_each_vf(bp, vfid) { |
1651 | struct bnx2x_virtf *vf = BP_VF(bp, vfid); | |
b56e9670 AE |
1652 | |
1653 | /* fill in the BDF and bars */ | |
b9871bcf AE |
1654 | vf->bus = bnx2x_vf_bus(bp, vfid); |
1655 | vf->devfn = bnx2x_vf_devfn(bp, vfid); | |
b56e9670 AE |
1656 | bnx2x_vf_set_bars(bp, vf); |
1657 | ||
1658 | DP(BNX2X_MSG_IOV, | |
1659 | "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n", | |
1660 | vf->abs_vfid, vf->bus, vf->devfn, | |
1661 | (unsigned)vf->bars[0].bar, vf->bars[0].size, | |
1662 | (unsigned)vf->bars[1].bar, vf->bars[1].size, | |
1663 | (unsigned)vf->bars[2].bar, vf->bars[2].size); | |
b56e9670 AE |
1664 | } |
1665 | ||
1666 | return 0; | |
1667 | } | |
290ca2bb | 1668 | |
f1929b01 AE |
1669 | /* called by bnx2x_chip_cleanup */ |
1670 | int bnx2x_iov_chip_cleanup(struct bnx2x *bp) | |
1671 | { | |
1672 | int i; | |
1673 | ||
1674 | if (!IS_SRIOV(bp)) | |
1675 | return 0; | |
1676 | ||
1677 | /* release all the VFs */ | |
1678 | for_each_vf(bp, i) | |
2dc33bbc | 1679 | bnx2x_vf_release(bp, BP_VF(bp, i)); |
f1929b01 AE |
1680 | |
1681 | return 0; | |
1682 | } | |
1683 | ||
290ca2bb AE |
1684 | /* called by bnx2x_init_hw_func, returns the next ilt line */ |
1685 | int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line) | |
1686 | { | |
1687 | int i; | |
1688 | struct bnx2x_ilt *ilt = BP_ILT(bp); | |
1689 | ||
1690 | if (!IS_SRIOV(bp)) | |
1691 | return line; | |
1692 | ||
1693 | /* set vfs ilt lines */ | |
1694 | for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) { | |
1695 | struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i); | |
1696 | ||
1697 | ilt->lines[line+i].page = hw_cxt->addr; | |
1698 | ilt->lines[line+i].page_mapping = hw_cxt->mapping; | |
1699 | ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */ | |
1700 | } | |
1701 | return line + i; | |
1702 | } | |
1703 | ||
fd1fc79d | 1704 | static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid) |
290ca2bb | 1705 | { |
fd1fc79d AE |
1706 | return ((cid >= BNX2X_FIRST_VF_CID) && |
1707 | ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS)); | |
1708 | } | |
1709 | ||
1710 | static | |
1711 | void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp, | |
1712 | struct bnx2x_vf_queue *vfq, | |
1713 | union event_ring_elem *elem) | |
1714 | { | |
1715 | unsigned long ramrod_flags = 0; | |
1716 | int rc = 0; | |
1717 | ||
1718 | /* Always push next commands out, don't wait here */ | |
1719 | set_bit(RAMROD_CONT, &ramrod_flags); | |
1720 | ||
1721 | switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) { | |
1722 | case BNX2X_FILTER_MAC_PENDING: | |
1723 | rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem, | |
1724 | &ramrod_flags); | |
1725 | break; | |
1726 | case BNX2X_FILTER_VLAN_PENDING: | |
1727 | rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem, | |
1728 | &ramrod_flags); | |
1729 | break; | |
1730 | default: | |
1731 | BNX2X_ERR("Unsupported classification command: %d\n", | |
1732 | elem->message.data.eth_event.echo); | |
1733 | return; | |
1734 | } | |
1735 | if (rc < 0) | |
1736 | BNX2X_ERR("Failed to schedule new commands: %d\n", rc); | |
1737 | else if (rc > 0) | |
1738 | DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n"); | |
1739 | } | |
1740 | ||
1741 | static | |
1742 | void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp, | |
1743 | struct bnx2x_virtf *vf) | |
1744 | { | |
1745 | struct bnx2x_mcast_ramrod_params rparam = {NULL}; | |
1746 | int rc; | |
1747 | ||
1748 | rparam.mcast_obj = &vf->mcast_obj; | |
1749 | vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw); | |
1750 | ||
1751 | /* If there are pending mcast commands - send them */ | |
1752 | if (vf->mcast_obj.check_pending(&vf->mcast_obj)) { | |
1753 | rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT); | |
1754 | if (rc < 0) | |
1755 | BNX2X_ERR("Failed to send pending mcast commands: %d\n", | |
1756 | rc); | |
1757 | } | |
1758 | } | |
1759 | ||
1760 | static | |
1761 | void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp, | |
1762 | struct bnx2x_virtf *vf) | |
1763 | { | |
4e857c58 | 1764 | smp_mb__before_atomic(); |
fd1fc79d | 1765 | clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state); |
4e857c58 | 1766 | smp_mb__after_atomic(); |
fd1fc79d AE |
1767 | } |
1768 | ||
2dc33bbc YM |
1769 | static void bnx2x_vf_handle_rss_update_eqe(struct bnx2x *bp, |
1770 | struct bnx2x_virtf *vf) | |
1771 | { | |
1772 | vf->rss_conf_obj.raw.clear_pending(&vf->rss_conf_obj.raw); | |
1773 | } | |
1774 | ||
fd1fc79d AE |
1775 | int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem) |
1776 | { | |
1777 | struct bnx2x_virtf *vf; | |
1778 | int qidx = 0, abs_vfid; | |
1779 | u8 opcode; | |
1780 | u16 cid = 0xffff; | |
1781 | ||
1782 | if (!IS_SRIOV(bp)) | |
1783 | return 1; | |
1784 | ||
1785 | /* first get the cid - the only events we handle here are cfc-delete | |
1786 | * and set-mac completion | |
1787 | */ | |
1788 | opcode = elem->message.opcode; | |
1789 | ||
1790 | switch (opcode) { | |
1791 | case EVENT_RING_OPCODE_CFC_DEL: | |
1792 | cid = SW_CID((__force __le32) | |
1793 | elem->message.data.cfc_del_event.cid); | |
1794 | DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid); | |
1795 | break; | |
1796 | case EVENT_RING_OPCODE_CLASSIFICATION_RULES: | |
1797 | case EVENT_RING_OPCODE_MULTICAST_RULES: | |
1798 | case EVENT_RING_OPCODE_FILTERS_RULES: | |
2dc33bbc | 1799 | case EVENT_RING_OPCODE_RSS_UPDATE_RULES: |
fd1fc79d AE |
1800 | cid = (elem->message.data.eth_event.echo & |
1801 | BNX2X_SWCID_MASK); | |
1802 | DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid); | |
1803 | break; | |
1804 | case EVENT_RING_OPCODE_VF_FLR: | |
1805 | abs_vfid = elem->message.data.vf_flr_event.vf_id; | |
1806 | DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n", | |
1807 | abs_vfid); | |
1808 | goto get_vf; | |
1809 | case EVENT_RING_OPCODE_MALICIOUS_VF: | |
1810 | abs_vfid = elem->message.data.malicious_vf_event.vf_id; | |
076d1329 AE |
1811 | BNX2X_ERR("Got VF MALICIOUS notification abs_vfid=%d err_id=0x%x\n", |
1812 | abs_vfid, | |
1813 | elem->message.data.malicious_vf_event.err_id); | |
fd1fc79d AE |
1814 | goto get_vf; |
1815 | default: | |
1816 | return 1; | |
1817 | } | |
1818 | ||
1819 | /* check if the cid is the VF range */ | |
1820 | if (!bnx2x_iov_is_vf_cid(bp, cid)) { | |
1821 | DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid); | |
1822 | return 1; | |
1823 | } | |
1824 | ||
1825 | /* extract vf and rxq index from vf_cid - relies on the following: | |
1826 | * 1. vfid on cid reflects the true abs_vfid | |
16a5fd92 | 1827 | * 2. The max number of VFs (per path) is 64 |
fd1fc79d AE |
1828 | */ |
1829 | qidx = cid & ((1 << BNX2X_VF_CID_WND)-1); | |
1830 | abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1); | |
1831 | get_vf: | |
1832 | vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); | |
1833 | ||
1834 | if (!vf) { | |
1835 | BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n", | |
1836 | cid, abs_vfid); | |
1837 | return 0; | |
1838 | } | |
1839 | ||
1840 | switch (opcode) { | |
1841 | case EVENT_RING_OPCODE_CFC_DEL: | |
1842 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n", | |
1843 | vf->abs_vfid, qidx); | |
1844 | vfq_get(vf, qidx)->sp_obj.complete_cmd(bp, | |
1845 | &vfq_get(vf, | |
1846 | qidx)->sp_obj, | |
1847 | BNX2X_Q_CMD_CFC_DEL); | |
1848 | break; | |
1849 | case EVENT_RING_OPCODE_CLASSIFICATION_RULES: | |
1850 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n", | |
1851 | vf->abs_vfid, qidx); | |
1852 | bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem); | |
1853 | break; | |
1854 | case EVENT_RING_OPCODE_MULTICAST_RULES: | |
1855 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n", | |
1856 | vf->abs_vfid, qidx); | |
1857 | bnx2x_vf_handle_mcast_eqe(bp, vf); | |
1858 | break; | |
1859 | case EVENT_RING_OPCODE_FILTERS_RULES: | |
1860 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n", | |
1861 | vf->abs_vfid, qidx); | |
1862 | bnx2x_vf_handle_filters_eqe(bp, vf); | |
1863 | break; | |
2dc33bbc YM |
1864 | case EVENT_RING_OPCODE_RSS_UPDATE_RULES: |
1865 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] RSS update ramrod\n", | |
1866 | vf->abs_vfid, qidx); | |
1867 | bnx2x_vf_handle_rss_update_eqe(bp, vf); | |
fd1fc79d | 1868 | case EVENT_RING_OPCODE_VF_FLR: |
fd1fc79d | 1869 | case EVENT_RING_OPCODE_MALICIOUS_VF: |
fd1fc79d | 1870 | /* Do nothing for now */ |
076d1329 | 1871 | return 0; |
fd1fc79d | 1872 | } |
fd1fc79d AE |
1873 | |
1874 | return 0; | |
1875 | } | |
1876 | ||
1877 | static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid) | |
1878 | { | |
1879 | /* extract the vf from vf_cid - relies on the following: | |
1880 | * 1. vfid on cid reflects the true abs_vfid | |
16a5fd92 | 1881 | * 2. The max number of VFs (per path) is 64 |
fd1fc79d AE |
1882 | */ |
1883 | int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1); | |
1884 | return bnx2x_vf_by_abs_fid(bp, abs_vfid); | |
1885 | } | |
1886 | ||
1887 | void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid, | |
1888 | struct bnx2x_queue_sp_obj **q_obj) | |
1889 | { | |
1890 | struct bnx2x_virtf *vf; | |
1891 | ||
290ca2bb AE |
1892 | if (!IS_SRIOV(bp)) |
1893 | return; | |
1894 | ||
fd1fc79d AE |
1895 | vf = bnx2x_vf_by_cid(bp, vf_cid); |
1896 | ||
1897 | if (vf) { | |
1898 | /* extract queue index from vf_cid - relies on the following: | |
1899 | * 1. vfid on cid reflects the true abs_vfid | |
16a5fd92 | 1900 | * 2. The max number of VFs (per path) is 64 |
fd1fc79d AE |
1901 | */ |
1902 | int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1); | |
1903 | *q_obj = &bnx2x_vfq(vf, q_index, sp_obj); | |
1904 | } else { | |
1905 | BNX2X_ERR("No vf matching cid %d\n", vf_cid); | |
1906 | } | |
1907 | } | |
1908 | ||
67c431a5 AE |
1909 | void bnx2x_iov_adjust_stats_req(struct bnx2x *bp) |
1910 | { | |
1911 | int i; | |
1912 | int first_queue_query_index, num_queues_req; | |
1913 | dma_addr_t cur_data_offset; | |
1914 | struct stats_query_entry *cur_query_entry; | |
1915 | u8 stats_count = 0; | |
1916 | bool is_fcoe = false; | |
1917 | ||
1918 | if (!IS_SRIOV(bp)) | |
1919 | return; | |
1920 | ||
1921 | if (!NO_FCOE(bp)) | |
1922 | is_fcoe = true; | |
1923 | ||
1924 | /* fcoe adds one global request and one queue request */ | |
1925 | num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe; | |
1926 | first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX - | |
1927 | (is_fcoe ? 0 : 1); | |
1928 | ||
76ca70fa YM |
1929 | DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS), |
1930 | "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", | |
1931 | BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index, | |
1932 | first_queue_query_index + num_queues_req); | |
67c431a5 AE |
1933 | |
1934 | cur_data_offset = bp->fw_stats_data_mapping + | |
1935 | offsetof(struct bnx2x_fw_stats_data, queue_stats) + | |
1936 | num_queues_req * sizeof(struct per_queue_stats); | |
1937 | ||
1938 | cur_query_entry = &bp->fw_stats_req-> | |
1939 | query[first_queue_query_index + num_queues_req]; | |
1940 | ||
1941 | for_each_vf(bp, i) { | |
1942 | int j; | |
1943 | struct bnx2x_virtf *vf = BP_VF(bp, i); | |
1944 | ||
1945 | if (vf->state != VF_ENABLED) { | |
76ca70fa YM |
1946 | DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS), |
1947 | "vf %d not enabled so no stats for it\n", | |
1948 | vf->abs_vfid); | |
67c431a5 AE |
1949 | continue; |
1950 | } | |
1951 | ||
1952 | DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid); | |
1953 | for_each_vfq(vf, j) { | |
1954 | struct bnx2x_vf_queue *rxq = vfq_get(vf, j); | |
1955 | ||
b9871bcf AE |
1956 | dma_addr_t q_stats_addr = |
1957 | vf->fw_stat_map + j * vf->stats_stride; | |
1958 | ||
67c431a5 AE |
1959 | /* collect stats fro active queues only */ |
1960 | if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) == | |
1961 | BNX2X_Q_LOGICAL_STATE_STOPPED) | |
1962 | continue; | |
1963 | ||
1964 | /* create stats query entry for this queue */ | |
1965 | cur_query_entry->kind = STATS_TYPE_QUEUE; | |
b9871bcf | 1966 | cur_query_entry->index = vfq_stat_id(vf, rxq); |
67c431a5 AE |
1967 | cur_query_entry->funcID = |
1968 | cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid)); | |
1969 | cur_query_entry->address.hi = | |
b9871bcf | 1970 | cpu_to_le32(U64_HI(q_stats_addr)); |
67c431a5 | 1971 | cur_query_entry->address.lo = |
b9871bcf | 1972 | cpu_to_le32(U64_LO(q_stats_addr)); |
67c431a5 AE |
1973 | DP(BNX2X_MSG_IOV, |
1974 | "added address %x %x for vf %d queue %d client %d\n", | |
1975 | cur_query_entry->address.hi, | |
1976 | cur_query_entry->address.lo, cur_query_entry->funcID, | |
1977 | j, cur_query_entry->index); | |
1978 | cur_query_entry++; | |
1979 | cur_data_offset += sizeof(struct per_queue_stats); | |
1980 | stats_count++; | |
b9871bcf AE |
1981 | |
1982 | /* all stats are coalesced to the leading queue */ | |
1983 | if (vf->cfg_flags & VF_CFG_STATS_COALESCE) | |
1984 | break; | |
67c431a5 AE |
1985 | } |
1986 | } | |
1987 | bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count; | |
1988 | } | |
1989 | ||
67c431a5 | 1990 | /* VF API helpers */ |
b93288d5 AE |
1991 | static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid, |
1992 | u8 enable) | |
1993 | { | |
1994 | u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4; | |
1995 | u32 val = enable ? (abs_vfid | (1 << 6)) : 0; | |
1996 | ||
1997 | REG_WR(bp, reg, val); | |
1998 | } | |
8ca5e17e | 1999 | |
99e9d211 AE |
2000 | static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf) |
2001 | { | |
2002 | int i; | |
2003 | ||
2004 | for_each_vfq(vf, i) | |
2005 | bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid, | |
2006 | vfq_qzone_id(vf, vfq_get(vf, i)), false); | |
2007 | } | |
2008 | ||
2009 | static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf) | |
2010 | { | |
2011 | u32 val; | |
2012 | ||
2013 | /* clear the VF configuration - pretend */ | |
2014 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); | |
2015 | val = REG_RD(bp, IGU_REG_VF_CONFIGURATION); | |
2016 | val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN | | |
2017 | IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK); | |
2018 | REG_WR(bp, IGU_REG_VF_CONFIGURATION, val); | |
2019 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); | |
2020 | } | |
2021 | ||
8ca5e17e AE |
2022 | u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf) |
2023 | { | |
2024 | return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF), | |
2025 | BNX2X_VF_MAX_QUEUES); | |
2026 | } | |
2027 | ||
2028 | static | |
2029 | int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf, | |
2030 | struct vf_pf_resc_request *req_resc) | |
2031 | { | |
2032 | u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf); | |
2033 | u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf); | |
2034 | ||
1a3d9424 | 2035 | /* Save a vlan filter for the Hypervisor */ |
8ca5e17e AE |
2036 | return ((req_resc->num_rxqs <= rxq_cnt) && |
2037 | (req_resc->num_txqs <= txq_cnt) && | |
2038 | (req_resc->num_sbs <= vf_sb_count(vf)) && | |
2039 | (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) && | |
1a3d9424 | 2040 | (req_resc->num_vlan_filters <= vf_vlan_rules_visible_cnt(vf))); |
8ca5e17e AE |
2041 | } |
2042 | ||
2043 | /* CORE VF API */ | |
2044 | int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf, | |
2045 | struct vf_pf_resc_request *resc) | |
2046 | { | |
2047 | int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) * | |
2048 | BNX2X_CIDS_PER_VF; | |
2049 | ||
2050 | union cdu_context *base_cxt = (union cdu_context *) | |
2051 | BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr + | |
2052 | (base_vf_cid & (ILT_PAGE_CIDS-1)); | |
2053 | int i; | |
2054 | ||
2055 | /* if state is 'acquired' the VF was not released or FLR'd, in | |
2056 | * this case the returned resources match the acquired already | |
2057 | * acquired resources. Verify that the requested numbers do | |
2058 | * not exceed the already acquired numbers. | |
2059 | */ | |
2060 | if (vf->state == VF_ACQUIRED) { | |
2061 | DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n", | |
2062 | vf->abs_vfid); | |
2063 | ||
2064 | if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) { | |
2065 | BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n", | |
2066 | vf->abs_vfid); | |
2067 | return -EINVAL; | |
2068 | } | |
2069 | return 0; | |
2070 | } | |
2071 | ||
2072 | /* Otherwise vf state must be 'free' or 'reset' */ | |
2073 | if (vf->state != VF_FREE && vf->state != VF_RESET) { | |
2074 | BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n", | |
2075 | vf->abs_vfid, vf->state); | |
2076 | return -EINVAL; | |
2077 | } | |
2078 | ||
2079 | /* static allocation: | |
16a5fd92 | 2080 | * the global maximum number are fixed per VF. Fail the request if |
8ca5e17e AE |
2081 | * requested number exceed these globals |
2082 | */ | |
2083 | if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) { | |
2084 | DP(BNX2X_MSG_IOV, | |
2085 | "cannot fulfill vf resource request. Placing maximal available values in response\n"); | |
2086 | /* set the max resource in the vf */ | |
2087 | return -ENOMEM; | |
2088 | } | |
2089 | ||
2090 | /* Set resources counters - 0 request means max available */ | |
2091 | vf_sb_count(vf) = resc->num_sbs; | |
2092 | vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf); | |
2093 | vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf); | |
2094 | if (resc->num_mac_filters) | |
2095 | vf_mac_rules_cnt(vf) = resc->num_mac_filters; | |
1a3d9424 YM |
2096 | /* Add an additional vlan filter credit for the hypervisor */ |
2097 | bnx2x_iov_re_set_vlan_filters(bp, vf, resc->num_vlan_filters + 1); | |
8ca5e17e AE |
2098 | |
2099 | DP(BNX2X_MSG_IOV, | |
2100 | "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n", | |
2101 | vf_sb_count(vf), vf_rxq_count(vf), | |
2102 | vf_txq_count(vf), vf_mac_rules_cnt(vf), | |
1a3d9424 | 2103 | vf_vlan_rules_visible_cnt(vf)); |
8ca5e17e AE |
2104 | |
2105 | /* Initialize the queues */ | |
2106 | if (!vf->vfqs) { | |
2107 | DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n"); | |
2108 | return -EINVAL; | |
2109 | } | |
2110 | ||
2111 | for_each_vfq(vf, i) { | |
2112 | struct bnx2x_vf_queue *q = vfq_get(vf, i); | |
2113 | ||
2114 | if (!q) { | |
b9871bcf | 2115 | BNX2X_ERR("q number %d was not allocated\n", i); |
8ca5e17e AE |
2116 | return -EINVAL; |
2117 | } | |
2118 | ||
2119 | q->index = i; | |
2120 | q->cxt = &((base_cxt + i)->eth); | |
2121 | q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i; | |
2122 | ||
2123 | DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n", | |
2124 | vf->abs_vfid, i, q->index, q->cid, q->cxt); | |
2125 | ||
2126 | /* init SP objects */ | |
2127 | bnx2x_vfq_init(bp, vf, q); | |
2128 | } | |
2129 | vf->state = VF_ACQUIRED; | |
2130 | return 0; | |
2131 | } | |
2132 | ||
b93288d5 AE |
2133 | int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map) |
2134 | { | |
2135 | struct bnx2x_func_init_params func_init = {0}; | |
2136 | u16 flags = 0; | |
2137 | int i; | |
2138 | ||
2139 | /* the sb resources are initialized at this point, do the | |
2140 | * FW/HW initializations | |
2141 | */ | |
2142 | for_each_vf_sb(vf, i) | |
2143 | bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true, | |
2144 | vf_igu_sb(vf, i), vf_igu_sb(vf, i)); | |
2145 | ||
2146 | /* Sanity checks */ | |
2147 | if (vf->state != VF_ACQUIRED) { | |
2148 | DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n", | |
2149 | vf->abs_vfid, vf->state); | |
2150 | return -EINVAL; | |
2151 | } | |
03c22ea3 AE |
2152 | |
2153 | /* let FLR complete ... */ | |
2154 | msleep(100); | |
2155 | ||
b93288d5 AE |
2156 | /* FLR cleanup epilogue */ |
2157 | if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid)) | |
2158 | return -EBUSY; | |
2159 | ||
2160 | /* reset IGU VF statistics: MSIX */ | |
2161 | REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0); | |
2162 | ||
2163 | /* vf init */ | |
2164 | if (vf->cfg_flags & VF_CFG_STATS) | |
2165 | flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ); | |
2166 | ||
2167 | if (vf->cfg_flags & VF_CFG_TPA) | |
2168 | flags |= FUNC_FLG_TPA; | |
2169 | ||
2170 | if (is_vf_multi(vf)) | |
2171 | flags |= FUNC_FLG_RSS; | |
2172 | ||
2173 | /* function setup */ | |
2174 | func_init.func_flgs = flags; | |
2175 | func_init.pf_id = BP_FUNC(bp); | |
2176 | func_init.func_id = FW_VF_HANDLE(vf->abs_vfid); | |
2177 | func_init.fw_stat_map = vf->fw_stat_map; | |
2178 | func_init.spq_map = vf->spq_map; | |
2179 | func_init.spq_prod = 0; | |
2180 | bnx2x_func_init(bp, &func_init); | |
2181 | ||
2182 | /* Enable the vf */ | |
2183 | bnx2x_vf_enable_access(bp, vf->abs_vfid); | |
2184 | bnx2x_vf_enable_traffic(bp, vf); | |
2185 | ||
2186 | /* queue protection table */ | |
2187 | for_each_vfq(vf, i) | |
2188 | bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid, | |
2189 | vfq_qzone_id(vf, vfq_get(vf, i)), true); | |
2190 | ||
2191 | vf->state = VF_ENABLED; | |
2192 | ||
abc5a021 AE |
2193 | /* update vf bulletin board */ |
2194 | bnx2x_post_vf_bulletin(bp, vf->index); | |
2195 | ||
b93288d5 AE |
2196 | return 0; |
2197 | } | |
2198 | ||
a3097bda AE |
2199 | struct set_vf_state_cookie { |
2200 | struct bnx2x_virtf *vf; | |
2201 | u8 state; | |
2202 | }; | |
2203 | ||
8e61777d | 2204 | static void bnx2x_set_vf_state(void *cookie) |
a3097bda AE |
2205 | { |
2206 | struct set_vf_state_cookie *p = (struct set_vf_state_cookie *)cookie; | |
2207 | ||
2208 | p->vf->state = p->state; | |
2209 | } | |
2210 | ||
2dc33bbc | 2211 | int bnx2x_vf_close(struct bnx2x *bp, struct bnx2x_virtf *vf) |
99e9d211 | 2212 | { |
2dc33bbc | 2213 | int rc = 0, i; |
99e9d211 | 2214 | |
2dc33bbc | 2215 | DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid); |
99e9d211 | 2216 | |
2dc33bbc YM |
2217 | /* Close all queues */ |
2218 | for (i = 0; i < vf_rxq_count(vf); i++) { | |
2219 | rc = bnx2x_vf_queue_teardown(bp, vf, i); | |
2220 | if (rc) | |
2221 | goto op_err; | |
2222 | } | |
99e9d211 | 2223 | |
2dc33bbc YM |
2224 | /* disable the interrupts */ |
2225 | DP(BNX2X_MSG_IOV, "disabling igu\n"); | |
2226 | bnx2x_vf_igu_disable(bp, vf); | |
99e9d211 | 2227 | |
2dc33bbc YM |
2228 | /* disable the VF */ |
2229 | DP(BNX2X_MSG_IOV, "clearing qtbl\n"); | |
2230 | bnx2x_vf_clr_qtbl(bp, vf); | |
a3097bda AE |
2231 | |
2232 | /* need to make sure there are no outstanding stats ramrods which may | |
2233 | * cause the device to access the VF's stats buffer which it will free | |
2234 | * as soon as we return from the close flow. | |
2235 | */ | |
2236 | { | |
2237 | struct set_vf_state_cookie cookie; | |
2238 | ||
2239 | cookie.vf = vf; | |
2240 | cookie.state = VF_ACQUIRED; | |
dff173de YM |
2241 | rc = bnx2x_stats_safe_exec(bp, bnx2x_set_vf_state, &cookie); |
2242 | if (rc) | |
2243 | goto op_err; | |
a3097bda AE |
2244 | } |
2245 | ||
99e9d211 | 2246 | DP(BNX2X_MSG_IOV, "set state to acquired\n"); |
99e9d211 | 2247 | |
2dc33bbc YM |
2248 | return 0; |
2249 | op_err: | |
2250 | BNX2X_ERR("vf[%d] CLOSE error: rc %d\n", vf->abs_vfid, rc); | |
2251 | return rc; | |
99e9d211 AE |
2252 | } |
2253 | ||
16a5fd92 | 2254 | /* VF release can be called either: 1. The VF was acquired but |
f1929b01 AE |
2255 | * not enabled 2. the vf was enabled or in the process of being |
2256 | * enabled | |
2257 | */ | |
2dc33bbc | 2258 | int bnx2x_vf_free(struct bnx2x *bp, struct bnx2x_virtf *vf) |
f1929b01 | 2259 | { |
2dc33bbc | 2260 | int rc; |
f1929b01 AE |
2261 | |
2262 | DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid, | |
2263 | vf->state == VF_FREE ? "Free" : | |
2264 | vf->state == VF_ACQUIRED ? "Acquired" : | |
2265 | vf->state == VF_ENABLED ? "Enabled" : | |
2266 | vf->state == VF_RESET ? "Reset" : | |
2267 | "Unknown"); | |
2268 | ||
2269 | switch (vf->state) { | |
2270 | case VF_ENABLED: | |
2dc33bbc YM |
2271 | rc = bnx2x_vf_close(bp, vf); |
2272 | if (rc) | |
f1929b01 | 2273 | goto op_err; |
2dc33bbc | 2274 | /* Fallthrough to release resources */ |
f1929b01 AE |
2275 | case VF_ACQUIRED: |
2276 | DP(BNX2X_MSG_IOV, "about to free resources\n"); | |
2277 | bnx2x_vf_free_resc(bp, vf); | |
2dc33bbc | 2278 | break; |
f1929b01 AE |
2279 | |
2280 | case VF_FREE: | |
2281 | case VF_RESET: | |
f1929b01 | 2282 | default: |
2dc33bbc | 2283 | break; |
b9871bcf | 2284 | } |
2dc33bbc | 2285 | return 0; |
b9871bcf | 2286 | op_err: |
2dc33bbc YM |
2287 | BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, rc); |
2288 | return rc; | |
f1929b01 AE |
2289 | } |
2290 | ||
2dc33bbc YM |
2291 | int bnx2x_vf_rss_update(struct bnx2x *bp, struct bnx2x_virtf *vf, |
2292 | struct bnx2x_config_rss_params *rss) | |
b9871bcf | 2293 | { |
2dc33bbc YM |
2294 | DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid); |
2295 | set_bit(RAMROD_COMP_WAIT, &rss->ramrod_flags); | |
2296 | return bnx2x_config_rss(bp, rss); | |
b9871bcf AE |
2297 | } |
2298 | ||
2dc33bbc YM |
2299 | int bnx2x_vf_tpa_update(struct bnx2x *bp, struct bnx2x_virtf *vf, |
2300 | struct vfpf_tpa_tlv *tlv, | |
2301 | struct bnx2x_queue_update_tpa_params *params) | |
14a94ebd | 2302 | { |
2dc33bbc YM |
2303 | aligned_u64 *sge_addr = tlv->tpa_client_info.sge_addr; |
2304 | struct bnx2x_queue_state_params qstate; | |
2305 | int qid, rc = 0; | |
14a94ebd | 2306 | |
2dc33bbc | 2307 | DP(BNX2X_MSG_IOV, "vf[%d]\n", vf->abs_vfid); |
14a94ebd | 2308 | |
2dc33bbc YM |
2309 | /* Set ramrod params */ |
2310 | memset(&qstate, 0, sizeof(struct bnx2x_queue_state_params)); | |
2311 | memcpy(&qstate.params.update_tpa, params, | |
2312 | sizeof(struct bnx2x_queue_update_tpa_params)); | |
2313 | qstate.cmd = BNX2X_Q_CMD_UPDATE_TPA; | |
2314 | set_bit(RAMROD_COMP_WAIT, &qstate.ramrod_flags); | |
14a94ebd | 2315 | |
2dc33bbc YM |
2316 | for (qid = 0; qid < vf_rxq_count(vf); qid++) { |
2317 | qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj); | |
2318 | qstate.params.update_tpa.sge_map = sge_addr[qid]; | |
2319 | DP(BNX2X_MSG_IOV, "sge_addr[%d:%d] %08x:%08x\n", | |
2320 | vf->abs_vfid, qid, U64_HI(sge_addr[qid]), | |
2321 | U64_LO(sge_addr[qid])); | |
2322 | rc = bnx2x_queue_state_change(bp, &qstate); | |
2323 | if (rc) { | |
2324 | BNX2X_ERR("Failed to configure sge_addr %08x:%08x for [%d:%d]\n", | |
2325 | U64_HI(sge_addr[qid]), U64_LO(sge_addr[qid]), | |
2326 | vf->abs_vfid, qid); | |
2327 | return rc; | |
14a94ebd | 2328 | } |
14a94ebd | 2329 | } |
14a94ebd | 2330 | |
2dc33bbc | 2331 | return rc; |
14a94ebd MK |
2332 | } |
2333 | ||
f1929b01 AE |
2334 | /* VF release ~ VF close + VF release-resources |
2335 | * Release is the ultimate SW shutdown and is called whenever an | |
2336 | * irrecoverable error is encountered. | |
2337 | */ | |
2dc33bbc | 2338 | int bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf) |
f1929b01 | 2339 | { |
f1929b01 | 2340 | int rc; |
b9871bcf AE |
2341 | |
2342 | DP(BNX2X_MSG_IOV, "PF releasing vf %d\n", vf->abs_vfid); | |
f1929b01 AE |
2343 | bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF); |
2344 | ||
2dc33bbc | 2345 | rc = bnx2x_vf_free(bp, vf); |
f1929b01 AE |
2346 | if (rc) |
2347 | WARN(rc, | |
2348 | "VF[%d] Failed to allocate resources for release op- rc=%d\n", | |
2349 | vf->abs_vfid, rc); | |
2dc33bbc YM |
2350 | bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF); |
2351 | return rc; | |
f1929b01 AE |
2352 | } |
2353 | ||
8ca5e17e AE |
2354 | void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf, |
2355 | enum channel_tlvs tlv) | |
2356 | { | |
b9871bcf AE |
2357 | /* we don't lock the channel for unsupported tlvs */ |
2358 | if (!bnx2x_tlv_supported(tlv)) { | |
2359 | BNX2X_ERR("attempting to lock with unsupported tlv. Aborting\n"); | |
2360 | return; | |
2361 | } | |
2362 | ||
8ca5e17e AE |
2363 | /* lock the channel */ |
2364 | mutex_lock(&vf->op_mutex); | |
2365 | ||
2366 | /* record the locking op */ | |
2367 | vf->op_current = tlv; | |
2368 | ||
2369 | /* log the lock */ | |
2370 | DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n", | |
2371 | vf->abs_vfid, tlv); | |
2372 | } | |
2373 | ||
2374 | void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf, | |
2375 | enum channel_tlvs expected_tlv) | |
2376 | { | |
b9871bcf AE |
2377 | enum channel_tlvs current_tlv; |
2378 | ||
2379 | if (!vf) { | |
2380 | BNX2X_ERR("VF was %p\n", vf); | |
2381 | return; | |
2382 | } | |
2383 | ||
2384 | current_tlv = vf->op_current; | |
2385 | ||
2386 | /* we don't unlock the channel for unsupported tlvs */ | |
2387 | if (!bnx2x_tlv_supported(expected_tlv)) | |
2388 | return; | |
2389 | ||
8ca5e17e AE |
2390 | WARN(expected_tlv != vf->op_current, |
2391 | "lock mismatch: expected %d found %d", expected_tlv, | |
2392 | vf->op_current); | |
2393 | ||
b9871bcf AE |
2394 | /* record the locking op */ |
2395 | vf->op_current = CHANNEL_TLV_NONE; | |
2396 | ||
8ca5e17e AE |
2397 | /* lock the channel */ |
2398 | mutex_unlock(&vf->op_mutex); | |
2399 | ||
2400 | /* log the unlock */ | |
2401 | DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n", | |
0c23ad37 | 2402 | vf->abs_vfid, current_tlv); |
8ca5e17e | 2403 | } |
6411280a | 2404 | |
c14db202 YM |
2405 | static int bnx2x_set_pf_tx_switching(struct bnx2x *bp, bool enable) |
2406 | { | |
2407 | struct bnx2x_queue_state_params q_params; | |
2408 | u32 prev_flags; | |
2409 | int i, rc; | |
2410 | ||
2411 | /* Verify changes are needed and record current Tx switching state */ | |
2412 | prev_flags = bp->flags; | |
2413 | if (enable) | |
2414 | bp->flags |= TX_SWITCHING; | |
2415 | else | |
2416 | bp->flags &= ~TX_SWITCHING; | |
2417 | if (prev_flags == bp->flags) | |
2418 | return 0; | |
2419 | ||
2420 | /* Verify state enables the sending of queue ramrods */ | |
2421 | if ((bp->state != BNX2X_STATE_OPEN) || | |
2422 | (bnx2x_get_q_logical_state(bp, | |
2423 | &bnx2x_sp_obj(bp, &bp->fp[0]).q_obj) != | |
2424 | BNX2X_Q_LOGICAL_STATE_ACTIVE)) | |
2425 | return 0; | |
2426 | ||
2427 | /* send q. update ramrod to configure Tx switching */ | |
2428 | memset(&q_params, 0, sizeof(q_params)); | |
2429 | __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags); | |
2430 | q_params.cmd = BNX2X_Q_CMD_UPDATE; | |
2431 | __set_bit(BNX2X_Q_UPDATE_TX_SWITCHING_CHNG, | |
2432 | &q_params.params.update.update_flags); | |
2433 | if (enable) | |
2434 | __set_bit(BNX2X_Q_UPDATE_TX_SWITCHING, | |
2435 | &q_params.params.update.update_flags); | |
2436 | else | |
2437 | __clear_bit(BNX2X_Q_UPDATE_TX_SWITCHING, | |
2438 | &q_params.params.update.update_flags); | |
2439 | ||
2440 | /* send the ramrod on all the queues of the PF */ | |
2441 | for_each_eth_queue(bp, i) { | |
2442 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
2443 | ||
2444 | /* Set the appropriate Queue object */ | |
2445 | q_params.q_obj = &bnx2x_sp_obj(bp, fp).q_obj; | |
2446 | ||
2447 | /* Update the Queue state */ | |
2448 | rc = bnx2x_queue_state_change(bp, &q_params); | |
2449 | if (rc) { | |
2450 | BNX2X_ERR("Failed to configure Tx switching\n"); | |
2451 | return rc; | |
2452 | } | |
2453 | } | |
2454 | ||
2455 | DP(BNX2X_MSG_IOV, "%s Tx Switching\n", enable ? "Enabled" : "Disabled"); | |
2456 | return 0; | |
2457 | } | |
2458 | ||
3c76feff | 2459 | int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param) |
6411280a | 2460 | { |
3c76feff | 2461 | struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev)); |
6411280a | 2462 | |
c8781cf4 MK |
2463 | if (!IS_SRIOV(bp)) { |
2464 | BNX2X_ERR("failed to configure SR-IOV since vfdb was not allocated. Check dmesg for errors in probe stage\n"); | |
2465 | return -EINVAL; | |
2466 | } | |
2467 | ||
3c76feff AE |
2468 | DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n", |
2469 | num_vfs_param, BNX2X_NR_VIRTFN(bp)); | |
2470 | ||
2471 | /* HW channel is only operational when PF is up */ | |
2472 | if (bp->state != BNX2X_STATE_OPEN) { | |
6bf07b8e | 2473 | BNX2X_ERR("VF num configuration via sysfs not supported while PF is down\n"); |
3c76feff AE |
2474 | return -EINVAL; |
2475 | } | |
2476 | ||
2477 | /* we are always bound by the total_vfs in the configuration space */ | |
2478 | if (num_vfs_param > BNX2X_NR_VIRTFN(bp)) { | |
2479 | BNX2X_ERR("truncating requested number of VFs (%d) down to maximum allowed (%d)\n", | |
2480 | num_vfs_param, BNX2X_NR_VIRTFN(bp)); | |
2481 | num_vfs_param = BNX2X_NR_VIRTFN(bp); | |
2482 | } | |
2483 | ||
2484 | bp->requested_nr_virtfn = num_vfs_param; | |
2485 | if (num_vfs_param == 0) { | |
c14db202 | 2486 | bnx2x_set_pf_tx_switching(bp, false); |
a345ce71 | 2487 | bnx2x_disable_sriov(bp); |
3c76feff AE |
2488 | return 0; |
2489 | } else { | |
2490 | return bnx2x_enable_sriov(bp); | |
2491 | } | |
2492 | } | |
c14db202 | 2493 | |
b9871bcf | 2494 | #define IGU_ENTRY_SIZE 4 |
3c76feff AE |
2495 | |
2496 | int bnx2x_enable_sriov(struct bnx2x *bp) | |
2497 | { | |
2498 | int rc = 0, req_vfs = bp->requested_nr_virtfn; | |
b9871bcf AE |
2499 | int vf_idx, sb_idx, vfq_idx, qcount, first_vf; |
2500 | u32 igu_entry, address; | |
2501 | u16 num_vf_queues; | |
3c76feff | 2502 | |
b9871bcf AE |
2503 | if (req_vfs == 0) |
2504 | return 0; | |
2505 | ||
2506 | first_vf = bp->vfdb->sriov.first_vf_in_pf; | |
2507 | ||
2508 | /* statically distribute vf sb pool between VFs */ | |
2509 | num_vf_queues = min_t(u16, BNX2X_VF_MAX_QUEUES, | |
2510 | BP_VFDB(bp)->vf_sbs_pool / req_vfs); | |
2511 | ||
2512 | /* zero previous values learned from igu cam */ | |
2513 | for (vf_idx = 0; vf_idx < req_vfs; vf_idx++) { | |
2514 | struct bnx2x_virtf *vf = BP_VF(bp, vf_idx); | |
2515 | ||
2516 | vf->sb_count = 0; | |
2517 | vf_sb_count(BP_VF(bp, vf_idx)) = 0; | |
2518 | } | |
2519 | bp->vfdb->vf_sbs_pool = 0; | |
2520 | ||
2521 | /* prepare IGU cam */ | |
2522 | sb_idx = BP_VFDB(bp)->first_vf_igu_entry; | |
2523 | address = IGU_REG_MAPPING_MEMORY + sb_idx * IGU_ENTRY_SIZE; | |
2524 | for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) { | |
2525 | for (vfq_idx = 0; vfq_idx < num_vf_queues; vfq_idx++) { | |
2526 | igu_entry = vf_idx << IGU_REG_MAPPING_MEMORY_FID_SHIFT | | |
2527 | vfq_idx << IGU_REG_MAPPING_MEMORY_VECTOR_SHIFT | | |
2528 | IGU_REG_MAPPING_MEMORY_VALID; | |
2529 | DP(BNX2X_MSG_IOV, "assigning sb %d to vf %d\n", | |
2530 | sb_idx, vf_idx); | |
2531 | REG_WR(bp, address, igu_entry); | |
2532 | sb_idx++; | |
2533 | address += IGU_ENTRY_SIZE; | |
2534 | } | |
2535 | } | |
2536 | ||
2537 | /* Reinitialize vf database according to igu cam */ | |
2538 | bnx2x_get_vf_igu_cam_info(bp); | |
2539 | ||
2540 | DP(BNX2X_MSG_IOV, "vf_sbs_pool %d, num_vf_queues %d\n", | |
2541 | BP_VFDB(bp)->vf_sbs_pool, num_vf_queues); | |
2542 | ||
2543 | qcount = 0; | |
2544 | for_each_vf(bp, vf_idx) { | |
2545 | struct bnx2x_virtf *vf = BP_VF(bp, vf_idx); | |
2546 | ||
2547 | /* set local queue arrays */ | |
2548 | vf->vfqs = &bp->vfdb->vfqs[qcount]; | |
2549 | qcount += vf_sb_count(vf); | |
717fa2b9 | 2550 | bnx2x_iov_static_resc(bp, vf); |
b9871bcf AE |
2551 | } |
2552 | ||
89e18ae6 MK |
2553 | /* prepare msix vectors in VF configuration space - the value in the |
2554 | * PCI configuration space should be the index of the last entry, | |
2555 | * namely one less than the actual size of the table | |
2556 | */ | |
b9871bcf AE |
2557 | for (vf_idx = first_vf; vf_idx < first_vf + req_vfs; vf_idx++) { |
2558 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf_idx)); | |
2559 | REG_WR(bp, PCICFG_OFFSET + GRC_CONFIG_REG_VF_MSIX_CONTROL, | |
89e18ae6 | 2560 | num_vf_queues - 1); |
717fa2b9 | 2561 | DP(BNX2X_MSG_IOV, "set msix vec num in VF %d cfg space to %d\n", |
89e18ae6 | 2562 | vf_idx, num_vf_queues - 1); |
b9871bcf AE |
2563 | } |
2564 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); | |
2565 | ||
2566 | /* enable sriov. This will probe all the VFs, and consequentially cause | |
2567 | * the "acquire" messages to appear on the VF PF channel. | |
2568 | */ | |
2569 | DP(BNX2X_MSG_IOV, "about to call enable sriov\n"); | |
826cb7b4 | 2570 | bnx2x_disable_sriov(bp); |
c14db202 YM |
2571 | |
2572 | rc = bnx2x_set_pf_tx_switching(bp, true); | |
2573 | if (rc) | |
2574 | return rc; | |
2575 | ||
3c76feff AE |
2576 | rc = pci_enable_sriov(bp->pdev, req_vfs); |
2577 | if (rc) { | |
6411280a | 2578 | BNX2X_ERR("pci_enable_sriov failed with %d\n", rc); |
3c76feff AE |
2579 | return rc; |
2580 | } | |
2581 | DP(BNX2X_MSG_IOV, "sriov enabled (%d vfs)\n", req_vfs); | |
2582 | return req_vfs; | |
6411280a AE |
2583 | } |
2584 | ||
3ec9f9ca AE |
2585 | void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp) |
2586 | { | |
2587 | int vfidx; | |
2588 | struct pf_vf_bulletin_content *bulletin; | |
2589 | ||
2590 | DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n"); | |
2591 | for_each_vf(bp, vfidx) { | |
2592 | bulletin = BP_VF_BULLETIN(bp, vfidx); | |
2593 | if (BP_VF(bp, vfidx)->cfg_flags & VF_CFG_VLAN) | |
2594 | bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0); | |
2595 | } | |
2596 | } | |
2597 | ||
3c76feff AE |
2598 | void bnx2x_disable_sriov(struct bnx2x *bp) |
2599 | { | |
a345ce71 YM |
2600 | if (pci_vfs_assigned(bp->pdev)) { |
2601 | DP(BNX2X_MSG_IOV, | |
2602 | "Unloading driver while VFs are assigned - VFs will not be deallocated\n"); | |
2603 | return; | |
2604 | } | |
2605 | ||
3c76feff AE |
2606 | pci_disable_sriov(bp->pdev); |
2607 | } | |
2608 | ||
6495d15a DK |
2609 | static int bnx2x_vf_op_prep(struct bnx2x *bp, int vfidx, |
2610 | struct bnx2x_virtf **vf, | |
2611 | struct pf_vf_bulletin_content **bulletin, | |
2612 | bool test_queue) | |
3ec9f9ca | 2613 | { |
af902ae4 | 2614 | if (bp->state != BNX2X_STATE_OPEN) { |
6495d15a | 2615 | BNX2X_ERR("PF is down - can't utilize iov-related functionality\n"); |
af902ae4 AE |
2616 | return -EINVAL; |
2617 | } | |
2618 | ||
3ec9f9ca | 2619 | if (!IS_SRIOV(bp)) { |
0c23ad37 | 2620 | BNX2X_ERR("sriov is disabled - can't utilize iov-related functionality\n"); |
3ec9f9ca AE |
2621 | return -EINVAL; |
2622 | } | |
2623 | ||
2624 | if (vfidx >= BNX2X_NR_VIRTFN(bp)) { | |
6495d15a | 2625 | BNX2X_ERR("VF is uninitialized - can't utilize iov-related functionality. vfidx was %d BNX2X_NR_VIRTFN was %d\n", |
3ec9f9ca AE |
2626 | vfidx, BNX2X_NR_VIRTFN(bp)); |
2627 | return -EINVAL; | |
2628 | } | |
2629 | ||
5ae30d78 AE |
2630 | /* init members */ |
2631 | *vf = BP_VF(bp, vfidx); | |
2632 | *bulletin = BP_VF_BULLETIN(bp, vfidx); | |
2633 | ||
2634 | if (!*vf) { | |
6495d15a | 2635 | BNX2X_ERR("Unable to get VF structure for vfidx %d\n", vfidx); |
b9871bcf AE |
2636 | return -EINVAL; |
2637 | } | |
2638 | ||
6495d15a DK |
2639 | if (test_queue && !(*vf)->vfqs) { |
2640 | BNX2X_ERR("vfqs struct is null. Was this invoked before dynamically enabling SR-IOV? vfidx was %d\n", | |
3ec9f9ca AE |
2641 | vfidx); |
2642 | return -EINVAL; | |
2643 | } | |
2644 | ||
5ae30d78 | 2645 | if (!*bulletin) { |
6495d15a | 2646 | BNX2X_ERR("Bulletin Board struct is null for vfidx %d\n", |
5ae30d78 AE |
2647 | vfidx); |
2648 | return -EINVAL; | |
2649 | } | |
2650 | ||
3ec9f9ca AE |
2651 | return 0; |
2652 | } | |
2653 | ||
2654 | int bnx2x_get_vf_config(struct net_device *dev, int vfidx, | |
2655 | struct ifla_vf_info *ivi) | |
2656 | { | |
2657 | struct bnx2x *bp = netdev_priv(dev); | |
5ae30d78 AE |
2658 | struct bnx2x_virtf *vf = NULL; |
2659 | struct pf_vf_bulletin_content *bulletin = NULL; | |
2660 | struct bnx2x_vlan_mac_obj *mac_obj; | |
2661 | struct bnx2x_vlan_mac_obj *vlan_obj; | |
3ec9f9ca AE |
2662 | int rc; |
2663 | ||
5ae30d78 | 2664 | /* sanity and init */ |
6495d15a | 2665 | rc = bnx2x_vf_op_prep(bp, vfidx, &vf, &bulletin, true); |
3ec9f9ca AE |
2666 | if (rc) |
2667 | return rc; | |
6495d15a | 2668 | |
b9871bcf AE |
2669 | mac_obj = &bnx2x_leading_vfq(vf, mac_obj); |
2670 | vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj); | |
5ae30d78 | 2671 | if (!mac_obj || !vlan_obj) { |
3c76feff AE |
2672 | BNX2X_ERR("VF partially initialized\n"); |
2673 | return -EINVAL; | |
2674 | } | |
3ec9f9ca AE |
2675 | |
2676 | ivi->vf = vfidx; | |
2677 | ivi->qos = 0; | |
ed616689 SC |
2678 | ivi->max_tx_rate = 10000; /* always 10G. TBA take from link struct */ |
2679 | ivi->min_tx_rate = 0; | |
3ec9f9ca AE |
2680 | ivi->spoofchk = 1; /*always enabled */ |
2681 | if (vf->state == VF_ENABLED) { | |
2682 | /* mac and vlan are in vlan_mac objects */ | |
3a3534ec | 2683 | if (bnx2x_validate_vf_sp_objs(bp, vf, false)) { |
b9871bcf AE |
2684 | mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac, |
2685 | 0, ETH_ALEN); | |
b9871bcf AE |
2686 | vlan_obj->get_n_elements(bp, vlan_obj, 1, |
2687 | (u8 *)&ivi->vlan, 0, | |
2688 | VLAN_HLEN); | |
3a3534ec | 2689 | } |
3ec9f9ca | 2690 | } else { |
6495d15a | 2691 | mutex_lock(&bp->vfdb->bulletin_mutex); |
3ec9f9ca AE |
2692 | /* mac */ |
2693 | if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID)) | |
2694 | /* mac configured by ndo so its in bulletin board */ | |
2695 | memcpy(&ivi->mac, bulletin->mac, ETH_ALEN); | |
2696 | else | |
16a5fd92 | 2697 | /* function has not been loaded yet. Show mac as 0s */ |
3ec9f9ca AE |
2698 | memset(&ivi->mac, 0, ETH_ALEN); |
2699 | ||
2700 | /* vlan */ | |
2701 | if (bulletin->valid_bitmap & (1 << VLAN_VALID)) | |
2702 | /* vlan configured by ndo so its in bulletin board */ | |
2703 | memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN); | |
2704 | else | |
16a5fd92 | 2705 | /* function has not been loaded yet. Show vlans as 0s */ |
3ec9f9ca | 2706 | memset(&ivi->vlan, 0, VLAN_HLEN); |
6495d15a DK |
2707 | |
2708 | mutex_unlock(&bp->vfdb->bulletin_mutex); | |
3ec9f9ca AE |
2709 | } |
2710 | ||
2711 | return 0; | |
2712 | } | |
2713 | ||
6411280a AE |
2714 | /* New mac for VF. Consider these cases: |
2715 | * 1. VF hasn't been acquired yet - save the mac in local bulletin board and | |
2716 | * supply at acquire. | |
2717 | * 2. VF has already been acquired but has not yet initialized - store in local | |
2718 | * bulletin board. mac will be posted on VF bulletin board after VF init. VF | |
2719 | * will configure this mac when it is ready. | |
2720 | * 3. VF has already initialized but has not yet setup a queue - post the new | |
2721 | * mac on VF's bulletin board right now. VF will configure this mac when it | |
2722 | * is ready. | |
2723 | * 4. VF has already set a queue - delete any macs already configured for this | |
2724 | * queue and manually config the new mac. | |
2725 | * In any event, once this function has been called refuse any attempts by the | |
2726 | * VF to configure any mac for itself except for this mac. In case of a race | |
2727 | * where the VF fails to see the new post on its bulletin board before sending a | |
2728 | * mac configuration request, the PF will simply fail the request and VF can try | |
3ec9f9ca | 2729 | * again after consulting its bulletin board. |
6411280a | 2730 | */ |
3ec9f9ca | 2731 | int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac) |
6411280a AE |
2732 | { |
2733 | struct bnx2x *bp = netdev_priv(dev); | |
3ec9f9ca | 2734 | int rc, q_logical_state; |
5ae30d78 AE |
2735 | struct bnx2x_virtf *vf = NULL; |
2736 | struct pf_vf_bulletin_content *bulletin = NULL; | |
6411280a | 2737 | |
6411280a AE |
2738 | if (!is_valid_ether_addr(mac)) { |
2739 | BNX2X_ERR("mac address invalid\n"); | |
2740 | return -EINVAL; | |
2741 | } | |
2742 | ||
6495d15a DK |
2743 | /* sanity and init */ |
2744 | rc = bnx2x_vf_op_prep(bp, vfidx, &vf, &bulletin, true); | |
2745 | if (rc) | |
2746 | return rc; | |
2747 | ||
2748 | mutex_lock(&bp->vfdb->bulletin_mutex); | |
2749 | ||
16a5fd92 | 2750 | /* update PF's copy of the VF's bulletin. Will no longer accept mac |
6411280a AE |
2751 | * configuration requests from vf unless match this mac |
2752 | */ | |
2753 | bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID; | |
2754 | memcpy(bulletin->mac, mac, ETH_ALEN); | |
2755 | ||
2756 | /* Post update on VF's bulletin board */ | |
2757 | rc = bnx2x_post_vf_bulletin(bp, vfidx); | |
6495d15a DK |
2758 | |
2759 | /* release lock before checking return code */ | |
2760 | mutex_unlock(&bp->vfdb->bulletin_mutex); | |
2761 | ||
6411280a AE |
2762 | if (rc) { |
2763 | BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx); | |
2764 | return rc; | |
2765 | } | |
2766 | ||
6411280a | 2767 | q_logical_state = |
b9871bcf | 2768 | bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj)); |
6411280a AE |
2769 | if (vf->state == VF_ENABLED && |
2770 | q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) { | |
2771 | /* configure the mac in device on this vf's queue */ | |
3ec9f9ca | 2772 | unsigned long ramrod_flags = 0; |
3a3534ec | 2773 | struct bnx2x_vlan_mac_obj *mac_obj; |
b9871bcf | 2774 | |
3a3534ec YM |
2775 | /* User should be able to see failure reason in system logs */ |
2776 | if (!bnx2x_validate_vf_sp_objs(bp, vf, true)) | |
2777 | return -EINVAL; | |
6411280a AE |
2778 | |
2779 | /* must lock vfpf channel to protect against vf flows */ | |
2780 | bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC); | |
2781 | ||
2782 | /* remove existing eth macs */ | |
3a3534ec | 2783 | mac_obj = &bnx2x_leading_vfq(vf, mac_obj); |
6411280a AE |
2784 | rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true); |
2785 | if (rc) { | |
2786 | BNX2X_ERR("failed to delete eth macs\n"); | |
31329afd AE |
2787 | rc = -EINVAL; |
2788 | goto out; | |
6411280a AE |
2789 | } |
2790 | ||
2791 | /* remove existing uc list macs */ | |
2792 | rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true); | |
2793 | if (rc) { | |
2794 | BNX2X_ERR("failed to delete uc_list macs\n"); | |
31329afd AE |
2795 | rc = -EINVAL; |
2796 | goto out; | |
6411280a AE |
2797 | } |
2798 | ||
2799 | /* configure the new mac to device */ | |
3ec9f9ca | 2800 | __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); |
6411280a | 2801 | bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true, |
3ec9f9ca | 2802 | BNX2X_ETH_MAC, &ramrod_flags); |
6411280a | 2803 | |
31329afd | 2804 | out: |
6411280a AE |
2805 | bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC); |
2806 | } | |
2807 | ||
02948344 | 2808 | return rc; |
3ec9f9ca AE |
2809 | } |
2810 | ||
2811 | int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos) | |
2812 | { | |
e8379c79 YM |
2813 | struct bnx2x_queue_state_params q_params = {NULL}; |
2814 | struct bnx2x_vlan_mac_ramrod_params ramrod_param; | |
2815 | struct bnx2x_queue_update_params *update_params; | |
2816 | struct pf_vf_bulletin_content *bulletin = NULL; | |
2817 | struct bnx2x_rx_mode_ramrod_params rx_ramrod; | |
3ec9f9ca | 2818 | struct bnx2x *bp = netdev_priv(dev); |
e8379c79 YM |
2819 | struct bnx2x_vlan_mac_obj *vlan_obj; |
2820 | unsigned long vlan_mac_flags = 0; | |
2821 | unsigned long ramrod_flags = 0; | |
5ae30d78 | 2822 | struct bnx2x_virtf *vf = NULL; |
e8379c79 YM |
2823 | unsigned long accept_flags; |
2824 | int rc; | |
3ec9f9ca | 2825 | |
3ec9f9ca AE |
2826 | if (vlan > 4095) { |
2827 | BNX2X_ERR("illegal vlan value %d\n", vlan); | |
2828 | return -EINVAL; | |
2829 | } | |
2830 | ||
2831 | DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n", | |
2832 | vfidx, vlan, 0); | |
2833 | ||
6495d15a DK |
2834 | /* sanity and init */ |
2835 | rc = bnx2x_vf_op_prep(bp, vfidx, &vf, &bulletin, true); | |
2836 | if (rc) | |
2837 | return rc; | |
2838 | ||
3ec9f9ca AE |
2839 | /* update PF's copy of the VF's bulletin. No point in posting the vlan |
2840 | * to the VF since it doesn't have anything to do with it. But it useful | |
2841 | * to store it here in case the VF is not up yet and we can only | |
e8379c79 YM |
2842 | * configure the vlan later when it does. Treat vlan id 0 as remove the |
2843 | * Host tag. | |
3ec9f9ca | 2844 | */ |
6495d15a DK |
2845 | mutex_lock(&bp->vfdb->bulletin_mutex); |
2846 | ||
e8379c79 YM |
2847 | if (vlan > 0) |
2848 | bulletin->valid_bitmap |= 1 << VLAN_VALID; | |
2849 | else | |
2850 | bulletin->valid_bitmap &= ~(1 << VLAN_VALID); | |
3ec9f9ca AE |
2851 | bulletin->vlan = vlan; |
2852 | ||
6495d15a DK |
2853 | mutex_unlock(&bp->vfdb->bulletin_mutex); |
2854 | ||
3ec9f9ca | 2855 | /* is vf initialized and queue set up? */ |
e8379c79 YM |
2856 | if (vf->state != VF_ENABLED || |
2857 | bnx2x_get_q_logical_state(bp, &bnx2x_leading_vfq(vf, sp_obj)) != | |
2858 | BNX2X_Q_LOGICAL_STATE_ACTIVE) | |
2859 | return rc; | |
3ec9f9ca | 2860 | |
3a3534ec YM |
2861 | /* User should be able to see error in system logs */ |
2862 | if (!bnx2x_validate_vf_sp_objs(bp, vf, true)) | |
2863 | return -EINVAL; | |
3ec9f9ca | 2864 | |
e8379c79 YM |
2865 | /* must lock vfpf channel to protect against vf flows */ |
2866 | bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN); | |
3ec9f9ca | 2867 | |
e8379c79 YM |
2868 | /* remove existing vlans */ |
2869 | __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); | |
3a3534ec | 2870 | vlan_obj = &bnx2x_leading_vfq(vf, vlan_obj); |
e8379c79 YM |
2871 | rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags, |
2872 | &ramrod_flags); | |
2873 | if (rc) { | |
2874 | BNX2X_ERR("failed to delete vlans\n"); | |
2875 | rc = -EINVAL; | |
2876 | goto out; | |
2877 | } | |
2878 | ||
2879 | /* need to remove/add the VF's accept_any_vlan bit */ | |
2880 | accept_flags = bnx2x_leading_vfq(vf, accept_flags); | |
2881 | if (vlan) | |
2882 | clear_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags); | |
2883 | else | |
2884 | set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags); | |
2885 | ||
2886 | bnx2x_vf_prep_rx_mode(bp, LEADING_IDX, &rx_ramrod, vf, | |
2887 | accept_flags); | |
2888 | bnx2x_leading_vfq(vf, accept_flags) = accept_flags; | |
2889 | bnx2x_config_rx_mode(bp, &rx_ramrod); | |
2890 | ||
2891 | /* configure the new vlan to device */ | |
2892 | memset(&ramrod_param, 0, sizeof(ramrod_param)); | |
2893 | __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); | |
2894 | ramrod_param.vlan_mac_obj = vlan_obj; | |
2895 | ramrod_param.ramrod_flags = ramrod_flags; | |
2896 | set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, | |
2897 | &ramrod_param.user_req.vlan_mac_flags); | |
2898 | ramrod_param.user_req.u.vlan.vlan = vlan; | |
2899 | ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD; | |
2900 | rc = bnx2x_config_vlan_mac(bp, &ramrod_param); | |
2901 | if (rc) { | |
2902 | BNX2X_ERR("failed to configure vlan\n"); | |
2903 | rc = -EINVAL; | |
2904 | goto out; | |
2905 | } | |
3ec9f9ca | 2906 | |
e8379c79 YM |
2907 | /* send queue update ramrod to configure default vlan and silent |
2908 | * vlan removal | |
2909 | */ | |
2910 | __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags); | |
2911 | q_params.cmd = BNX2X_Q_CMD_UPDATE; | |
2912 | q_params.q_obj = &bnx2x_leading_vfq(vf, sp_obj); | |
2913 | update_params = &q_params.params.update; | |
2914 | __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG, | |
2915 | &update_params->update_flags); | |
2916 | __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG, | |
2917 | &update_params->update_flags); | |
2918 | if (vlan == 0) { | |
2919 | /* if vlan is 0 then we want to leave the VF traffic | |
2920 | * untagged, and leave the incoming traffic untouched | |
2921 | * (i.e. do not remove any vlan tags). | |
3ec9f9ca | 2922 | */ |
e8379c79 YM |
2923 | __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN, |
2924 | &update_params->update_flags); | |
2925 | __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM, | |
2926 | &update_params->update_flags); | |
2927 | } else { | |
2928 | /* configure default vlan to vf queue and set silent | |
2929 | * vlan removal (the vf remains unaware of this vlan). | |
2930 | */ | |
2931 | __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN, | |
3ec9f9ca | 2932 | &update_params->update_flags); |
e8379c79 | 2933 | __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM, |
3ec9f9ca | 2934 | &update_params->update_flags); |
e8379c79 YM |
2935 | update_params->def_vlan = vlan; |
2936 | update_params->silent_removal_value = | |
2937 | vlan & VLAN_VID_MASK; | |
2938 | update_params->silent_removal_mask = VLAN_VID_MASK; | |
2939 | } | |
3ec9f9ca | 2940 | |
e8379c79 YM |
2941 | /* Update the Queue state */ |
2942 | rc = bnx2x_queue_state_change(bp, &q_params); | |
2943 | if (rc) { | |
2944 | BNX2X_ERR("Failed to configure default VLAN\n"); | |
2945 | goto out; | |
2946 | } | |
3ec9f9ca | 2947 | |
3ec9f9ca | 2948 | |
e8379c79 YM |
2949 | /* clear the flag indicating that this VF needs its vlan |
2950 | * (will only be set if the HV configured the Vlan before vf was | |
2951 | * up and we were called because the VF came up later | |
2952 | */ | |
31329afd | 2953 | out: |
e8379c79 YM |
2954 | vf->cfg_flags &= ~VF_CFG_VLAN; |
2955 | bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN); | |
2956 | ||
31329afd | 2957 | return rc; |
6411280a AE |
2958 | } |
2959 | ||
16a5fd92 YM |
2960 | /* crc is the first field in the bulletin board. Compute the crc over the |
2961 | * entire bulletin board excluding the crc field itself. Use the length field | |
2962 | * as the Bulletin Board was posted by a PF with possibly a different version | |
2963 | * from the vf which will sample it. Therefore, the length is computed by the | |
6495d15a | 2964 | * PF and then used blindly by the VF. |
6411280a | 2965 | */ |
6495d15a | 2966 | u32 bnx2x_crc_vf_bulletin(struct pf_vf_bulletin_content *bulletin) |
6411280a AE |
2967 | { |
2968 | return crc32(BULLETIN_CRC_SEED, | |
2969 | ((u8 *)bulletin) + sizeof(bulletin->crc), | |
4c133c39 | 2970 | bulletin->length - sizeof(bulletin->crc)); |
6411280a AE |
2971 | } |
2972 | ||
2973 | /* Check for new posts on the bulletin board */ | |
2974 | enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp) | |
2975 | { | |
6495d15a | 2976 | struct pf_vf_bulletin_content *bulletin; |
6411280a AE |
2977 | int attempts; |
2978 | ||
6495d15a DK |
2979 | /* sampling structure in mid post may result with corrupted data |
2980 | * validate crc to ensure coherency. | |
2981 | */ | |
2982 | for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) { | |
2983 | u32 crc; | |
6411280a | 2984 | |
6495d15a DK |
2985 | /* sample the bulletin board */ |
2986 | memcpy(&bp->shadow_bulletin, bp->pf2vf_bulletin, | |
2987 | sizeof(union pf_vf_bulletin)); | |
2988 | ||
2989 | crc = bnx2x_crc_vf_bulletin(&bp->shadow_bulletin.content); | |
2990 | ||
2991 | if (bp->shadow_bulletin.content.crc == crc) | |
2992 | break; | |
2993 | ||
2994 | BNX2X_ERR("bad crc on bulletin board. Contained %x computed %x\n", | |
2995 | bp->shadow_bulletin.content.crc, crc); | |
2996 | } | |
2997 | ||
2998 | if (attempts >= BULLETIN_ATTEMPTS) { | |
2999 | BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n", | |
3000 | attempts); | |
3001 | return PFVF_BULLETIN_CRC_ERR; | |
6411280a | 3002 | } |
6495d15a DK |
3003 | bulletin = &bp->shadow_bulletin.content; |
3004 | ||
3005 | /* bulletin board hasn't changed since last sample */ | |
3006 | if (bp->old_bulletin.version == bulletin->version) | |
3007 | return PFVF_BULLETIN_UNCHANGED; | |
6411280a AE |
3008 | |
3009 | /* the mac address in bulletin board is valid and is new */ | |
6495d15a DK |
3010 | if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID && |
3011 | !ether_addr_equal(bulletin->mac, bp->old_bulletin.mac)) { | |
6411280a | 3012 | /* update new mac to net device */ |
6495d15a DK |
3013 | memcpy(bp->dev->dev_addr, bulletin->mac, ETH_ALEN); |
3014 | } | |
3015 | ||
3016 | if (bulletin->valid_bitmap & (1 << LINK_VALID)) { | |
3017 | DP(BNX2X_MSG_IOV, "link update speed %d flags %x\n", | |
3018 | bulletin->link_speed, bulletin->link_flags); | |
3019 | ||
3020 | bp->vf_link_vars.line_speed = bulletin->link_speed; | |
3021 | bp->vf_link_vars.link_report_flags = 0; | |
3022 | /* Link is down */ | |
3023 | if (bulletin->link_flags & VFPF_LINK_REPORT_LINK_DOWN) | |
3024 | __set_bit(BNX2X_LINK_REPORT_LINK_DOWN, | |
3025 | &bp->vf_link_vars.link_report_flags); | |
3026 | /* Full DUPLEX */ | |
3027 | if (bulletin->link_flags & VFPF_LINK_REPORT_FULL_DUPLEX) | |
3028 | __set_bit(BNX2X_LINK_REPORT_FD, | |
3029 | &bp->vf_link_vars.link_report_flags); | |
3030 | /* Rx Flow Control is ON */ | |
3031 | if (bulletin->link_flags & VFPF_LINK_REPORT_RX_FC_ON) | |
3032 | __set_bit(BNX2X_LINK_REPORT_RX_FC_ON, | |
3033 | &bp->vf_link_vars.link_report_flags); | |
3034 | /* Tx Flow Control is ON */ | |
3035 | if (bulletin->link_flags & VFPF_LINK_REPORT_TX_FC_ON) | |
3036 | __set_bit(BNX2X_LINK_REPORT_TX_FC_ON, | |
3037 | &bp->vf_link_vars.link_report_flags); | |
3038 | __bnx2x_link_report(bp); | |
6411280a AE |
3039 | } |
3040 | ||
3041 | /* copy new bulletin board to bp */ | |
6495d15a DK |
3042 | memcpy(&bp->old_bulletin, bulletin, |
3043 | sizeof(struct pf_vf_bulletin_content)); | |
6411280a AE |
3044 | |
3045 | return PFVF_BULLETIN_UPDATED; | |
3046 | } | |
3047 | ||
37173488 YM |
3048 | void bnx2x_timer_sriov(struct bnx2x *bp) |
3049 | { | |
3050 | bnx2x_sample_bulletin(bp); | |
3051 | ||
3052 | /* if channel is down we need to self destruct */ | |
230bb0f3 YM |
3053 | if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) |
3054 | bnx2x_schedule_sp_rtnl(bp, BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN, | |
3055 | BNX2X_MSG_IOV); | |
37173488 YM |
3056 | } |
3057 | ||
1d6f3cd8 | 3058 | void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp) |
6411280a AE |
3059 | { |
3060 | /* vf doorbells are embedded within the regview */ | |
1d6f3cd8 | 3061 | return bp->regview + PXP_VF_ADDR_DB_START; |
6411280a AE |
3062 | } |
3063 | ||
e2a367f8 YM |
3064 | void bnx2x_vf_pci_dealloc(struct bnx2x *bp) |
3065 | { | |
3066 | BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping, | |
3067 | sizeof(struct bnx2x_vf_mbx_msg)); | |
3068 | BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->pf2vf_bulletin_mapping, | |
3069 | sizeof(union pf_vf_bulletin)); | |
3070 | } | |
3071 | ||
6411280a AE |
3072 | int bnx2x_vf_pci_alloc(struct bnx2x *bp) |
3073 | { | |
8b49a4c7 DK |
3074 | mutex_init(&bp->vf2pf_mutex); |
3075 | ||
6411280a | 3076 | /* allocate vf2pf mailbox for vf to pf channel */ |
cd2b0389 JP |
3077 | bp->vf2pf_mbox = BNX2X_PCI_ALLOC(&bp->vf2pf_mbox_mapping, |
3078 | sizeof(struct bnx2x_vf_mbx_msg)); | |
3079 | if (!bp->vf2pf_mbox) | |
3080 | goto alloc_mem_err; | |
6411280a AE |
3081 | |
3082 | /* allocate pf 2 vf bulletin board */ | |
cd2b0389 JP |
3083 | bp->pf2vf_bulletin = BNX2X_PCI_ALLOC(&bp->pf2vf_bulletin_mapping, |
3084 | sizeof(union pf_vf_bulletin)); | |
3085 | if (!bp->pf2vf_bulletin) | |
3086 | goto alloc_mem_err; | |
6411280a | 3087 | |
6495d15a DK |
3088 | bnx2x_vf_bulletin_finalize(&bp->pf2vf_bulletin->content, true); |
3089 | ||
6411280a AE |
3090 | return 0; |
3091 | ||
3092 | alloc_mem_err: | |
e2a367f8 | 3093 | bnx2x_vf_pci_dealloc(bp); |
6411280a AE |
3094 | return -ENOMEM; |
3095 | } | |
3c76feff | 3096 | |
78c3bcc5 AE |
3097 | void bnx2x_iov_channel_down(struct bnx2x *bp) |
3098 | { | |
3099 | int vf_idx; | |
3100 | struct pf_vf_bulletin_content *bulletin; | |
3101 | ||
3102 | if (!IS_SRIOV(bp)) | |
3103 | return; | |
3104 | ||
3105 | for_each_vf(bp, vf_idx) { | |
3106 | /* locate this VFs bulletin board and update the channel down | |
3107 | * bit | |
3108 | */ | |
3109 | bulletin = BP_VF_BULLETIN(bp, vf_idx); | |
3110 | bulletin->valid_bitmap |= 1 << CHANNEL_DOWN; | |
3111 | ||
3112 | /* update vf bulletin board */ | |
3113 | bnx2x_post_vf_bulletin(bp, vf_idx); | |
3114 | } | |
3115 | } | |
370d4a26 YM |
3116 | |
3117 | void bnx2x_iov_task(struct work_struct *work) | |
3118 | { | |
3119 | struct bnx2x *bp = container_of(work, struct bnx2x, iov_task.work); | |
3120 | ||
3121 | if (!netif_running(bp->dev)) | |
3122 | return; | |
3123 | ||
3124 | if (test_and_clear_bit(BNX2X_IOV_HANDLE_FLR, | |
3125 | &bp->iov_task_state)) | |
3126 | bnx2x_vf_handle_flr_event(bp); | |
3127 | ||
370d4a26 YM |
3128 | if (test_and_clear_bit(BNX2X_IOV_HANDLE_VF_MSG, |
3129 | &bp->iov_task_state)) | |
3130 | bnx2x_vf_mbx(bp); | |
3131 | } | |
3132 | ||
3133 | void bnx2x_schedule_iov_task(struct bnx2x *bp, enum bnx2x_iov_flag flag) | |
3134 | { | |
4e857c58 | 3135 | smp_mb__before_atomic(); |
370d4a26 | 3136 | set_bit(flag, &bp->iov_task_state); |
4e857c58 | 3137 | smp_mb__after_atomic(); |
370d4a26 YM |
3138 | DP(BNX2X_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag); |
3139 | queue_delayed_work(bnx2x_iov_wq, &bp->iov_task, 0); | |
3140 | } |