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dd74282d WHX |
1 | /* |
2 | * Copyright (c) 2016-2017 Hisilicon Limited. | |
3 | * | |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
33 | #include <linux/acpi.h> | |
34 | #include <linux/etherdevice.h> | |
35 | #include <linux/interrupt.h> | |
36 | #include <linux/kernel.h> | |
0b25c9cc | 37 | #include <linux/types.h> |
d4994d2f | 38 | #include <net/addrconf.h> |
610b8967 | 39 | #include <rdma/ib_addr.h> |
a70c0739 | 40 | #include <rdma/ib_cache.h> |
dd74282d | 41 | #include <rdma/ib_umem.h> |
bdeacabd | 42 | #include <rdma/uverbs_ioctl.h> |
dd74282d WHX |
43 | |
44 | #include "hnae3.h" | |
45 | #include "hns_roce_common.h" | |
46 | #include "hns_roce_device.h" | |
47 | #include "hns_roce_cmd.h" | |
48 | #include "hns_roce_hem.h" | |
a04ff739 | 49 | #include "hns_roce_hw_v2.h" |
dd74282d | 50 | |
2d407888 WHX |
51 | static void set_data_seg_v2(struct hns_roce_v2_wqe_data_seg *dseg, |
52 | struct ib_sge *sg) | |
53 | { | |
54 | dseg->lkey = cpu_to_le32(sg->lkey); | |
55 | dseg->addr = cpu_to_le64(sg->addr); | |
56 | dseg->len = cpu_to_le32(sg->length); | |
57 | } | |
58 | ||
68a997c5 YL |
59 | static void set_frmr_seg(struct hns_roce_v2_rc_send_wqe *rc_sq_wqe, |
60 | struct hns_roce_wqe_frmr_seg *fseg, | |
61 | const struct ib_reg_wr *wr) | |
62 | { | |
63 | struct hns_roce_mr *mr = to_hr_mr(wr->mr); | |
64 | ||
65 | /* use ib_access_flags */ | |
66 | roce_set_bit(rc_sq_wqe->byte_4, | |
67 | V2_RC_FRMR_WQE_BYTE_4_BIND_EN_S, | |
68 | wr->access & IB_ACCESS_MW_BIND ? 1 : 0); | |
69 | roce_set_bit(rc_sq_wqe->byte_4, | |
70 | V2_RC_FRMR_WQE_BYTE_4_ATOMIC_S, | |
71 | wr->access & IB_ACCESS_REMOTE_ATOMIC ? 1 : 0); | |
72 | roce_set_bit(rc_sq_wqe->byte_4, | |
73 | V2_RC_FRMR_WQE_BYTE_4_RR_S, | |
74 | wr->access & IB_ACCESS_REMOTE_READ ? 1 : 0); | |
75 | roce_set_bit(rc_sq_wqe->byte_4, | |
76 | V2_RC_FRMR_WQE_BYTE_4_RW_S, | |
77 | wr->access & IB_ACCESS_REMOTE_WRITE ? 1 : 0); | |
78 | roce_set_bit(rc_sq_wqe->byte_4, | |
79 | V2_RC_FRMR_WQE_BYTE_4_LW_S, | |
80 | wr->access & IB_ACCESS_LOCAL_WRITE ? 1 : 0); | |
81 | ||
82 | /* Data structure reuse may lead to confusion */ | |
83 | rc_sq_wqe->msg_len = cpu_to_le32(mr->pbl_ba & 0xffffffff); | |
84 | rc_sq_wqe->inv_key = cpu_to_le32(mr->pbl_ba >> 32); | |
85 | ||
86 | rc_sq_wqe->byte_16 = cpu_to_le32(wr->mr->length & 0xffffffff); | |
87 | rc_sq_wqe->byte_20 = cpu_to_le32(wr->mr->length >> 32); | |
88 | rc_sq_wqe->rkey = cpu_to_le32(wr->key); | |
89 | rc_sq_wqe->va = cpu_to_le64(wr->mr->iova); | |
90 | ||
91 | fseg->pbl_size = cpu_to_le32(mr->pbl_size); | |
92 | roce_set_field(fseg->mode_buf_pg_sz, | |
93 | V2_RC_FRMR_WQE_BYTE_40_PBL_BUF_PG_SZ_M, | |
94 | V2_RC_FRMR_WQE_BYTE_40_PBL_BUF_PG_SZ_S, | |
95 | mr->pbl_buf_pg_sz + PG_SHIFT_OFFSET); | |
96 | roce_set_bit(fseg->mode_buf_pg_sz, | |
97 | V2_RC_FRMR_WQE_BYTE_40_BLK_MODE_S, 0); | |
98 | } | |
99 | ||
384f8818 LO |
100 | static void set_atomic_seg(struct hns_roce_wqe_atomic_seg *aseg, |
101 | const struct ib_atomic_wr *wr) | |
102 | { | |
103 | if (wr->wr.opcode == IB_WR_ATOMIC_CMP_AND_SWP) { | |
104 | aseg->fetchadd_swap_data = cpu_to_le64(wr->swap); | |
105 | aseg->cmp_data = cpu_to_le64(wr->compare_add); | |
106 | } else { | |
107 | aseg->fetchadd_swap_data = cpu_to_le64(wr->compare_add); | |
108 | aseg->cmp_data = 0; | |
109 | } | |
110 | } | |
111 | ||
f696bf6d | 112 | static void set_extend_sge(struct hns_roce_qp *qp, const struct ib_send_wr *wr, |
0b25c9cc WHX |
113 | unsigned int *sge_ind) |
114 | { | |
115 | struct hns_roce_v2_wqe_data_seg *dseg; | |
116 | struct ib_sge *sg; | |
117 | int num_in_wqe = 0; | |
118 | int extend_sge_num; | |
119 | int fi_sge_num; | |
120 | int se_sge_num; | |
121 | int shift; | |
122 | int i; | |
123 | ||
124 | if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) | |
125 | num_in_wqe = HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE; | |
126 | extend_sge_num = wr->num_sge - num_in_wqe; | |
127 | sg = wr->sg_list + num_in_wqe; | |
128 | shift = qp->hr_buf.page_shift; | |
129 | ||
130 | /* | |
131 | * Check whether wr->num_sge sges are in the same page. If not, we | |
132 | * should calculate how many sges in the first page and the second | |
133 | * page. | |
134 | */ | |
135 | dseg = get_send_extend_sge(qp, (*sge_ind) & (qp->sge.sge_cnt - 1)); | |
136 | fi_sge_num = (round_up((uintptr_t)dseg, 1 << shift) - | |
137 | (uintptr_t)dseg) / | |
138 | sizeof(struct hns_roce_v2_wqe_data_seg); | |
139 | if (extend_sge_num > fi_sge_num) { | |
140 | se_sge_num = extend_sge_num - fi_sge_num; | |
141 | for (i = 0; i < fi_sge_num; i++) { | |
142 | set_data_seg_v2(dseg++, sg + i); | |
143 | (*sge_ind)++; | |
144 | } | |
145 | dseg = get_send_extend_sge(qp, | |
146 | (*sge_ind) & (qp->sge.sge_cnt - 1)); | |
147 | for (i = 0; i < se_sge_num; i++) { | |
148 | set_data_seg_v2(dseg++, sg + fi_sge_num + i); | |
149 | (*sge_ind)++; | |
150 | } | |
151 | } else { | |
152 | for (i = 0; i < extend_sge_num; i++) { | |
153 | set_data_seg_v2(dseg++, sg + i); | |
154 | (*sge_ind)++; | |
155 | } | |
156 | } | |
157 | } | |
158 | ||
f696bf6d | 159 | static int set_rwqe_data_seg(struct ib_qp *ibqp, const struct ib_send_wr *wr, |
7bdee415 | 160 | struct hns_roce_v2_rc_send_wqe *rc_sq_wqe, |
161 | void *wqe, unsigned int *sge_ind, | |
d34ac5cd | 162 | const struct ib_send_wr **bad_wr) |
7bdee415 | 163 | { |
164 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
165 | struct hns_roce_v2_wqe_data_seg *dseg = wqe; | |
166 | struct hns_roce_qp *qp = to_hr_qp(ibqp); | |
167 | int i; | |
168 | ||
169 | if (wr->send_flags & IB_SEND_INLINE && wr->num_sge) { | |
8b9b8d14 | 170 | if (le32_to_cpu(rc_sq_wqe->msg_len) > |
171 | hr_dev->caps.max_sq_inline) { | |
7bdee415 | 172 | *bad_wr = wr; |
173 | dev_err(hr_dev->dev, "inline len(1-%d)=%d, illegal", | |
174 | rc_sq_wqe->msg_len, hr_dev->caps.max_sq_inline); | |
175 | return -EINVAL; | |
176 | } | |
177 | ||
328d405b | 178 | if (wr->opcode == IB_WR_RDMA_READ) { |
c80e0661 | 179 | *bad_wr = wr; |
328d405b | 180 | dev_err(hr_dev->dev, "Not support inline data!\n"); |
181 | return -EINVAL; | |
182 | } | |
183 | ||
7bdee415 | 184 | for (i = 0; i < wr->num_sge; i++) { |
185 | memcpy(wqe, ((void *)wr->sg_list[i].addr), | |
186 | wr->sg_list[i].length); | |
187 | wqe += wr->sg_list[i].length; | |
188 | } | |
189 | ||
190 | roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_INLINE_S, | |
191 | 1); | |
192 | } else { | |
0b25c9cc | 193 | if (wr->num_sge <= HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE) { |
7bdee415 | 194 | for (i = 0; i < wr->num_sge; i++) { |
195 | if (likely(wr->sg_list[i].length)) { | |
196 | set_data_seg_v2(dseg, wr->sg_list + i); | |
197 | dseg++; | |
198 | } | |
199 | } | |
200 | } else { | |
201 | roce_set_field(rc_sq_wqe->byte_20, | |
202 | V2_RC_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_M, | |
203 | V2_RC_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_S, | |
204 | (*sge_ind) & (qp->sge.sge_cnt - 1)); | |
205 | ||
0b25c9cc | 206 | for (i = 0; i < HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE; i++) { |
7bdee415 | 207 | if (likely(wr->sg_list[i].length)) { |
208 | set_data_seg_v2(dseg, wr->sg_list + i); | |
209 | dseg++; | |
210 | } | |
211 | } | |
212 | ||
0b25c9cc | 213 | set_extend_sge(qp, wr, sge_ind); |
7bdee415 | 214 | } |
215 | ||
216 | roce_set_field(rc_sq_wqe->byte_16, | |
217 | V2_RC_SEND_WQE_BYTE_16_SGE_NUM_M, | |
218 | V2_RC_SEND_WQE_BYTE_16_SGE_NUM_S, wr->num_sge); | |
219 | } | |
220 | ||
221 | return 0; | |
222 | } | |
223 | ||
0425e3e6 YL |
224 | static int hns_roce_v2_modify_qp(struct ib_qp *ibqp, |
225 | const struct ib_qp_attr *attr, | |
226 | int attr_mask, enum ib_qp_state cur_state, | |
227 | enum ib_qp_state new_state); | |
228 | ||
d34ac5cd BVA |
229 | static int hns_roce_v2_post_send(struct ib_qp *ibqp, |
230 | const struct ib_send_wr *wr, | |
231 | const struct ib_send_wr **bad_wr) | |
2d407888 WHX |
232 | { |
233 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
7bdee415 | 234 | struct hns_roce_ah *ah = to_hr_ah(ud_wr(wr)->ah); |
235 | struct hns_roce_v2_ud_send_wqe *ud_sq_wqe; | |
2d407888 WHX |
236 | struct hns_roce_v2_rc_send_wqe *rc_sq_wqe; |
237 | struct hns_roce_qp *qp = to_hr_qp(ibqp); | |
68a997c5 | 238 | struct hns_roce_wqe_frmr_seg *fseg; |
2d407888 WHX |
239 | struct device *dev = hr_dev->dev; |
240 | struct hns_roce_v2_db sq_db; | |
0425e3e6 | 241 | struct ib_qp_attr attr; |
2d407888 | 242 | unsigned int sge_ind = 0; |
e8d18533 | 243 | unsigned int owner_bit; |
2d407888 WHX |
244 | unsigned long flags; |
245 | unsigned int ind; | |
246 | void *wqe = NULL; | |
7bdee415 | 247 | bool loopback; |
0425e3e6 | 248 | int attr_mask; |
55ba49cb | 249 | u32 tmp_len; |
2d407888 | 250 | int ret = 0; |
b9c1ea40 | 251 | u32 hr_op; |
7bdee415 | 252 | u8 *smac; |
2d407888 WHX |
253 | int nreq; |
254 | int i; | |
255 | ||
7bdee415 | 256 | if (unlikely(ibqp->qp_type != IB_QPT_RC && |
257 | ibqp->qp_type != IB_QPT_GSI && | |
258 | ibqp->qp_type != IB_QPT_UD)) { | |
2d407888 | 259 | dev_err(dev, "Not supported QP(0x%x)type!\n", ibqp->qp_type); |
137ae320 | 260 | *bad_wr = wr; |
2d407888 WHX |
261 | return -EOPNOTSUPP; |
262 | } | |
263 | ||
10bd2ade YL |
264 | if (unlikely(qp->state == IB_QPS_RESET || qp->state == IB_QPS_INIT || |
265 | qp->state == IB_QPS_RTR)) { | |
2d407888 WHX |
266 | dev_err(dev, "Post WQE fail, QP state %d err!\n", qp->state); |
267 | *bad_wr = wr; | |
268 | return -EINVAL; | |
269 | } | |
270 | ||
271 | spin_lock_irqsave(&qp->sq.lock, flags); | |
272 | ind = qp->sq_next_wqe; | |
273 | sge_ind = qp->next_sge; | |
274 | ||
275 | for (nreq = 0; wr; ++nreq, wr = wr->next) { | |
276 | if (hns_roce_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq)) { | |
277 | ret = -ENOMEM; | |
278 | *bad_wr = wr; | |
279 | goto out; | |
280 | } | |
281 | ||
282 | if (unlikely(wr->num_sge > qp->sq.max_gs)) { | |
283 | dev_err(dev, "num_sge=%d > qp->sq.max_gs=%d\n", | |
284 | wr->num_sge, qp->sq.max_gs); | |
285 | ret = -EINVAL; | |
286 | *bad_wr = wr; | |
287 | goto out; | |
288 | } | |
289 | ||
290 | wqe = get_send_wqe(qp, ind & (qp->sq.wqe_cnt - 1)); | |
291 | qp->sq.wrid[(qp->sq.head + nreq) & (qp->sq.wqe_cnt - 1)] = | |
292 | wr->wr_id; | |
293 | ||
634f6390 | 294 | owner_bit = |
295 | ~(((qp->sq.head + nreq) >> ilog2(qp->sq.wqe_cnt)) & 0x1); | |
55ba49cb | 296 | tmp_len = 0; |
2d407888 | 297 | |
7bdee415 | 298 | /* Corresponding to the QP type, wqe process separately */ |
299 | if (ibqp->qp_type == IB_QPT_GSI) { | |
300 | ud_sq_wqe = wqe; | |
301 | memset(ud_sq_wqe, 0, sizeof(*ud_sq_wqe)); | |
302 | ||
303 | roce_set_field(ud_sq_wqe->dmac, V2_UD_SEND_WQE_DMAC_0_M, | |
304 | V2_UD_SEND_WQE_DMAC_0_S, ah->av.mac[0]); | |
305 | roce_set_field(ud_sq_wqe->dmac, V2_UD_SEND_WQE_DMAC_1_M, | |
306 | V2_UD_SEND_WQE_DMAC_1_S, ah->av.mac[1]); | |
307 | roce_set_field(ud_sq_wqe->dmac, V2_UD_SEND_WQE_DMAC_2_M, | |
308 | V2_UD_SEND_WQE_DMAC_2_S, ah->av.mac[2]); | |
309 | roce_set_field(ud_sq_wqe->dmac, V2_UD_SEND_WQE_DMAC_3_M, | |
310 | V2_UD_SEND_WQE_DMAC_3_S, ah->av.mac[3]); | |
311 | roce_set_field(ud_sq_wqe->byte_48, | |
312 | V2_UD_SEND_WQE_BYTE_48_DMAC_4_M, | |
313 | V2_UD_SEND_WQE_BYTE_48_DMAC_4_S, | |
314 | ah->av.mac[4]); | |
315 | roce_set_field(ud_sq_wqe->byte_48, | |
316 | V2_UD_SEND_WQE_BYTE_48_DMAC_5_M, | |
317 | V2_UD_SEND_WQE_BYTE_48_DMAC_5_S, | |
318 | ah->av.mac[5]); | |
319 | ||
320 | /* MAC loopback */ | |
321 | smac = (u8 *)hr_dev->dev_addr[qp->port]; | |
322 | loopback = ether_addr_equal_unaligned(ah->av.mac, | |
323 | smac) ? 1 : 0; | |
324 | ||
325 | roce_set_bit(ud_sq_wqe->byte_40, | |
326 | V2_UD_SEND_WQE_BYTE_40_LBI_S, loopback); | |
327 | ||
328 | roce_set_field(ud_sq_wqe->byte_4, | |
329 | V2_UD_SEND_WQE_BYTE_4_OPCODE_M, | |
330 | V2_UD_SEND_WQE_BYTE_4_OPCODE_S, | |
331 | HNS_ROCE_V2_WQE_OP_SEND); | |
2d407888 | 332 | |
7bdee415 | 333 | for (i = 0; i < wr->num_sge; i++) |
8b9b8d14 | 334 | tmp_len += wr->sg_list[i].length; |
492b2bd0 | 335 | |
8b9b8d14 | 336 | ud_sq_wqe->msg_len = |
337 | cpu_to_le32(le32_to_cpu(ud_sq_wqe->msg_len) + tmp_len); | |
338 | ||
339 | switch (wr->opcode) { | |
340 | case IB_WR_SEND_WITH_IMM: | |
341 | case IB_WR_RDMA_WRITE_WITH_IMM: | |
0c4a0e29 LO |
342 | ud_sq_wqe->immtdata = |
343 | cpu_to_le32(be32_to_cpu(wr->ex.imm_data)); | |
8b9b8d14 | 344 | break; |
345 | default: | |
346 | ud_sq_wqe->immtdata = 0; | |
347 | break; | |
348 | } | |
651487c2 | 349 | |
7bdee415 | 350 | /* Set sig attr */ |
351 | roce_set_bit(ud_sq_wqe->byte_4, | |
352 | V2_UD_SEND_WQE_BYTE_4_CQE_S, | |
353 | (wr->send_flags & IB_SEND_SIGNALED) ? 1 : 0); | |
a49d761f | 354 | |
7bdee415 | 355 | /* Set se attr */ |
356 | roce_set_bit(ud_sq_wqe->byte_4, | |
357 | V2_UD_SEND_WQE_BYTE_4_SE_S, | |
358 | (wr->send_flags & IB_SEND_SOLICITED) ? 1 : 0); | |
e8d18533 | 359 | |
7bdee415 | 360 | roce_set_bit(ud_sq_wqe->byte_4, |
361 | V2_UD_SEND_WQE_BYTE_4_OWNER_S, owner_bit); | |
362 | ||
363 | roce_set_field(ud_sq_wqe->byte_16, | |
364 | V2_UD_SEND_WQE_BYTE_16_PD_M, | |
365 | V2_UD_SEND_WQE_BYTE_16_PD_S, | |
366 | to_hr_pd(ibqp->pd)->pdn); | |
367 | ||
368 | roce_set_field(ud_sq_wqe->byte_16, | |
369 | V2_UD_SEND_WQE_BYTE_16_SGE_NUM_M, | |
370 | V2_UD_SEND_WQE_BYTE_16_SGE_NUM_S, | |
371 | wr->num_sge); | |
372 | ||
373 | roce_set_field(ud_sq_wqe->byte_20, | |
374 | V2_UD_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_M, | |
375 | V2_UD_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_S, | |
376 | sge_ind & (qp->sge.sge_cnt - 1)); | |
377 | ||
378 | roce_set_field(ud_sq_wqe->byte_24, | |
379 | V2_UD_SEND_WQE_BYTE_24_UDPSPN_M, | |
380 | V2_UD_SEND_WQE_BYTE_24_UDPSPN_S, 0); | |
381 | ud_sq_wqe->qkey = | |
8b9b8d14 | 382 | cpu_to_le32(ud_wr(wr)->remote_qkey & 0x80000000 ? |
383 | qp->qkey : ud_wr(wr)->remote_qkey); | |
7bdee415 | 384 | roce_set_field(ud_sq_wqe->byte_32, |
385 | V2_UD_SEND_WQE_BYTE_32_DQPN_M, | |
386 | V2_UD_SEND_WQE_BYTE_32_DQPN_S, | |
387 | ud_wr(wr)->remote_qpn); | |
388 | ||
389 | roce_set_field(ud_sq_wqe->byte_36, | |
390 | V2_UD_SEND_WQE_BYTE_36_VLAN_M, | |
391 | V2_UD_SEND_WQE_BYTE_36_VLAN_S, | |
8b9b8d14 | 392 | le16_to_cpu(ah->av.vlan)); |
7bdee415 | 393 | roce_set_field(ud_sq_wqe->byte_36, |
394 | V2_UD_SEND_WQE_BYTE_36_HOPLIMIT_M, | |
395 | V2_UD_SEND_WQE_BYTE_36_HOPLIMIT_S, | |
396 | ah->av.hop_limit); | |
397 | roce_set_field(ud_sq_wqe->byte_36, | |
398 | V2_UD_SEND_WQE_BYTE_36_TCLASS_M, | |
399 | V2_UD_SEND_WQE_BYTE_36_TCLASS_S, | |
cdfa4ad5 LO |
400 | ah->av.sl_tclass_flowlabel >> |
401 | HNS_ROCE_TCLASS_SHIFT); | |
7bdee415 | 402 | roce_set_field(ud_sq_wqe->byte_40, |
403 | V2_UD_SEND_WQE_BYTE_40_FLOW_LABEL_M, | |
cdfa4ad5 LO |
404 | V2_UD_SEND_WQE_BYTE_40_FLOW_LABEL_S, |
405 | ah->av.sl_tclass_flowlabel & | |
406 | HNS_ROCE_FLOW_LABEL_MASK); | |
7bdee415 | 407 | roce_set_field(ud_sq_wqe->byte_40, |
408 | V2_UD_SEND_WQE_BYTE_40_SL_M, | |
409 | V2_UD_SEND_WQE_BYTE_40_SL_S, | |
8b9b8d14 | 410 | le32_to_cpu(ah->av.sl_tclass_flowlabel) >> |
411 | HNS_ROCE_SL_SHIFT); | |
7bdee415 | 412 | roce_set_field(ud_sq_wqe->byte_40, |
413 | V2_UD_SEND_WQE_BYTE_40_PORTN_M, | |
414 | V2_UD_SEND_WQE_BYTE_40_PORTN_S, | |
415 | qp->port); | |
416 | ||
8320deb8 LO |
417 | roce_set_bit(ud_sq_wqe->byte_40, |
418 | V2_UD_SEND_WQE_BYTE_40_UD_VLAN_EN_S, | |
419 | ah->av.vlan_en ? 1 : 0); | |
7bdee415 | 420 | roce_set_field(ud_sq_wqe->byte_48, |
421 | V2_UD_SEND_WQE_BYTE_48_SGID_INDX_M, | |
422 | V2_UD_SEND_WQE_BYTE_48_SGID_INDX_S, | |
423 | hns_get_gid_index(hr_dev, qp->phy_port, | |
424 | ah->av.gid_index)); | |
425 | ||
426 | memcpy(&ud_sq_wqe->dgid[0], &ah->av.dgid[0], | |
427 | GID_LEN_V2); | |
428 | ||
0b25c9cc | 429 | set_extend_sge(qp, wr, &sge_ind); |
7bdee415 | 430 | ind++; |
431 | } else if (ibqp->qp_type == IB_QPT_RC) { | |
432 | rc_sq_wqe = wqe; | |
433 | memset(rc_sq_wqe, 0, sizeof(*rc_sq_wqe)); | |
434 | for (i = 0; i < wr->num_sge; i++) | |
8b9b8d14 | 435 | tmp_len += wr->sg_list[i].length; |
436 | ||
437 | rc_sq_wqe->msg_len = | |
438 | cpu_to_le32(le32_to_cpu(rc_sq_wqe->msg_len) + tmp_len); | |
7bdee415 | 439 | |
8b9b8d14 | 440 | switch (wr->opcode) { |
441 | case IB_WR_SEND_WITH_IMM: | |
442 | case IB_WR_RDMA_WRITE_WITH_IMM: | |
0c4a0e29 LO |
443 | rc_sq_wqe->immtdata = |
444 | cpu_to_le32(be32_to_cpu(wr->ex.imm_data)); | |
8b9b8d14 | 445 | break; |
446 | case IB_WR_SEND_WITH_INV: | |
447 | rc_sq_wqe->inv_key = | |
448 | cpu_to_le32(wr->ex.invalidate_rkey); | |
449 | break; | |
450 | default: | |
451 | rc_sq_wqe->immtdata = 0; | |
452 | break; | |
453 | } | |
7bdee415 | 454 | |
455 | roce_set_bit(rc_sq_wqe->byte_4, | |
456 | V2_RC_SEND_WQE_BYTE_4_FENCE_S, | |
457 | (wr->send_flags & IB_SEND_FENCE) ? 1 : 0); | |
458 | ||
459 | roce_set_bit(rc_sq_wqe->byte_4, | |
460 | V2_RC_SEND_WQE_BYTE_4_SE_S, | |
461 | (wr->send_flags & IB_SEND_SOLICITED) ? 1 : 0); | |
462 | ||
463 | roce_set_bit(rc_sq_wqe->byte_4, | |
464 | V2_RC_SEND_WQE_BYTE_4_CQE_S, | |
465 | (wr->send_flags & IB_SEND_SIGNALED) ? 1 : 0); | |
466 | ||
467 | roce_set_bit(rc_sq_wqe->byte_4, | |
468 | V2_RC_SEND_WQE_BYTE_4_OWNER_S, owner_bit); | |
469 | ||
384f8818 | 470 | wqe += sizeof(struct hns_roce_v2_rc_send_wqe); |
7bdee415 | 471 | switch (wr->opcode) { |
472 | case IB_WR_RDMA_READ: | |
b9c1ea40 | 473 | hr_op = HNS_ROCE_V2_WQE_OP_RDMA_READ; |
7bdee415 | 474 | rc_sq_wqe->rkey = |
475 | cpu_to_le32(rdma_wr(wr)->rkey); | |
476 | rc_sq_wqe->va = | |
477 | cpu_to_le64(rdma_wr(wr)->remote_addr); | |
478 | break; | |
479 | case IB_WR_RDMA_WRITE: | |
b9c1ea40 | 480 | hr_op = HNS_ROCE_V2_WQE_OP_RDMA_WRITE; |
7bdee415 | 481 | rc_sq_wqe->rkey = |
482 | cpu_to_le32(rdma_wr(wr)->rkey); | |
483 | rc_sq_wqe->va = | |
484 | cpu_to_le64(rdma_wr(wr)->remote_addr); | |
485 | break; | |
486 | case IB_WR_RDMA_WRITE_WITH_IMM: | |
b9c1ea40 | 487 | hr_op = HNS_ROCE_V2_WQE_OP_RDMA_WRITE_WITH_IMM; |
7bdee415 | 488 | rc_sq_wqe->rkey = |
489 | cpu_to_le32(rdma_wr(wr)->rkey); | |
490 | rc_sq_wqe->va = | |
491 | cpu_to_le64(rdma_wr(wr)->remote_addr); | |
492 | break; | |
493 | case IB_WR_SEND: | |
b9c1ea40 | 494 | hr_op = HNS_ROCE_V2_WQE_OP_SEND; |
7bdee415 | 495 | break; |
496 | case IB_WR_SEND_WITH_INV: | |
b9c1ea40 | 497 | hr_op = HNS_ROCE_V2_WQE_OP_SEND_WITH_INV; |
7bdee415 | 498 | break; |
499 | case IB_WR_SEND_WITH_IMM: | |
b9c1ea40 | 500 | hr_op = HNS_ROCE_V2_WQE_OP_SEND_WITH_IMM; |
7bdee415 | 501 | break; |
502 | case IB_WR_LOCAL_INV: | |
b9c1ea40 | 503 | hr_op = HNS_ROCE_V2_WQE_OP_LOCAL_INV; |
e93df010 LO |
504 | roce_set_bit(rc_sq_wqe->byte_4, |
505 | V2_RC_SEND_WQE_BYTE_4_SO_S, 1); | |
506 | rc_sq_wqe->inv_key = | |
507 | cpu_to_le32(wr->ex.invalidate_rkey); | |
7bdee415 | 508 | break; |
68a997c5 YL |
509 | case IB_WR_REG_MR: |
510 | hr_op = HNS_ROCE_V2_WQE_OP_FAST_REG_PMR; | |
511 | fseg = wqe; | |
512 | set_frmr_seg(rc_sq_wqe, fseg, reg_wr(wr)); | |
513 | break; | |
7bdee415 | 514 | case IB_WR_ATOMIC_CMP_AND_SWP: |
b9c1ea40 | 515 | hr_op = HNS_ROCE_V2_WQE_OP_ATOM_CMP_AND_SWAP; |
384f8818 LO |
516 | rc_sq_wqe->rkey = |
517 | cpu_to_le32(atomic_wr(wr)->rkey); | |
518 | rc_sq_wqe->va = | |
d9581bf3 | 519 | cpu_to_le64(atomic_wr(wr)->remote_addr); |
7bdee415 | 520 | break; |
521 | case IB_WR_ATOMIC_FETCH_AND_ADD: | |
b9c1ea40 | 522 | hr_op = HNS_ROCE_V2_WQE_OP_ATOM_FETCH_AND_ADD; |
384f8818 LO |
523 | rc_sq_wqe->rkey = |
524 | cpu_to_le32(atomic_wr(wr)->rkey); | |
525 | rc_sq_wqe->va = | |
d9581bf3 | 526 | cpu_to_le64(atomic_wr(wr)->remote_addr); |
7bdee415 | 527 | break; |
528 | case IB_WR_MASKED_ATOMIC_CMP_AND_SWP: | |
b9c1ea40 LO |
529 | hr_op = |
530 | HNS_ROCE_V2_WQE_OP_ATOM_MSK_CMP_AND_SWAP; | |
7bdee415 | 531 | break; |
532 | case IB_WR_MASKED_ATOMIC_FETCH_AND_ADD: | |
b9c1ea40 LO |
533 | hr_op = |
534 | HNS_ROCE_V2_WQE_OP_ATOM_MSK_FETCH_AND_ADD; | |
7bdee415 | 535 | break; |
536 | default: | |
b9c1ea40 | 537 | hr_op = HNS_ROCE_V2_WQE_OP_MASK; |
7bdee415 | 538 | break; |
2d407888 WHX |
539 | } |
540 | ||
b9c1ea40 LO |
541 | roce_set_field(rc_sq_wqe->byte_4, |
542 | V2_RC_SEND_WQE_BYTE_4_OPCODE_M, | |
543 | V2_RC_SEND_WQE_BYTE_4_OPCODE_S, hr_op); | |
2d407888 | 544 | |
d9581bf3 LO |
545 | if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP || |
546 | wr->opcode == IB_WR_ATOMIC_FETCH_AND_ADD) { | |
547 | struct hns_roce_v2_wqe_data_seg *dseg; | |
548 | ||
549 | dseg = wqe; | |
550 | set_data_seg_v2(dseg, wr->sg_list); | |
551 | wqe += sizeof(struct hns_roce_v2_wqe_data_seg); | |
552 | set_atomic_seg(wqe, atomic_wr(wr)); | |
553 | roce_set_field(rc_sq_wqe->byte_16, | |
554 | V2_RC_SEND_WQE_BYTE_16_SGE_NUM_M, | |
555 | V2_RC_SEND_WQE_BYTE_16_SGE_NUM_S, | |
556 | wr->num_sge); | |
68a997c5 | 557 | } else if (wr->opcode != IB_WR_REG_MR) { |
d9581bf3 LO |
558 | ret = set_rwqe_data_seg(ibqp, wr, rc_sq_wqe, |
559 | wqe, &sge_ind, bad_wr); | |
560 | if (ret) | |
561 | goto out; | |
562 | } | |
563 | ||
7bdee415 | 564 | ind++; |
2d407888 | 565 | } else { |
7bdee415 | 566 | dev_err(dev, "Illegal qp_type(0x%x)\n", ibqp->qp_type); |
567 | spin_unlock_irqrestore(&qp->sq.lock, flags); | |
137ae320 | 568 | *bad_wr = wr; |
7bdee415 | 569 | return -EOPNOTSUPP; |
2d407888 | 570 | } |
2d407888 WHX |
571 | } |
572 | ||
573 | out: | |
574 | if (likely(nreq)) { | |
575 | qp->sq.head += nreq; | |
576 | /* Memory barrier */ | |
577 | wmb(); | |
578 | ||
579 | sq_db.byte_4 = 0; | |
580 | sq_db.parameter = 0; | |
581 | ||
582 | roce_set_field(sq_db.byte_4, V2_DB_BYTE_4_TAG_M, | |
583 | V2_DB_BYTE_4_TAG_S, qp->doorbell_qpn); | |
584 | roce_set_field(sq_db.byte_4, V2_DB_BYTE_4_CMD_M, | |
585 | V2_DB_BYTE_4_CMD_S, HNS_ROCE_V2_SQ_DB); | |
cc3391cb | 586 | roce_set_field(sq_db.parameter, V2_DB_PARAMETER_IDX_M, |
587 | V2_DB_PARAMETER_IDX_S, | |
2d407888 WHX |
588 | qp->sq.head & ((qp->sq.wqe_cnt << 1) - 1)); |
589 | roce_set_field(sq_db.parameter, V2_DB_PARAMETER_SL_M, | |
590 | V2_DB_PARAMETER_SL_S, qp->sl); | |
591 | ||
d3743fa9 | 592 | hns_roce_write64(hr_dev, (__le32 *)&sq_db, qp->sq.db_reg_l); |
2d407888 WHX |
593 | |
594 | qp->sq_next_wqe = ind; | |
595 | qp->next_sge = sge_ind; | |
0425e3e6 YL |
596 | |
597 | if (qp->state == IB_QPS_ERR) { | |
598 | attr_mask = IB_QP_STATE; | |
599 | attr.qp_state = IB_QPS_ERR; | |
600 | ||
601 | ret = hns_roce_v2_modify_qp(&qp->ibqp, &attr, attr_mask, | |
602 | qp->state, IB_QPS_ERR); | |
603 | if (ret) { | |
604 | spin_unlock_irqrestore(&qp->sq.lock, flags); | |
605 | *bad_wr = wr; | |
606 | return ret; | |
607 | } | |
608 | } | |
2d407888 WHX |
609 | } |
610 | ||
611 | spin_unlock_irqrestore(&qp->sq.lock, flags); | |
612 | ||
613 | return ret; | |
614 | } | |
615 | ||
d34ac5cd BVA |
616 | static int hns_roce_v2_post_recv(struct ib_qp *ibqp, |
617 | const struct ib_recv_wr *wr, | |
618 | const struct ib_recv_wr **bad_wr) | |
2d407888 WHX |
619 | { |
620 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
621 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
622 | struct hns_roce_v2_wqe_data_seg *dseg; | |
0009c2db | 623 | struct hns_roce_rinl_sge *sge_list; |
2d407888 | 624 | struct device *dev = hr_dev->dev; |
0425e3e6 | 625 | struct ib_qp_attr attr; |
2d407888 WHX |
626 | unsigned long flags; |
627 | void *wqe = NULL; | |
0425e3e6 | 628 | int attr_mask; |
2d407888 WHX |
629 | int ret = 0; |
630 | int nreq; | |
631 | int ind; | |
632 | int i; | |
633 | ||
634 | spin_lock_irqsave(&hr_qp->rq.lock, flags); | |
635 | ind = hr_qp->rq.head & (hr_qp->rq.wqe_cnt - 1); | |
636 | ||
ced07769 | 637 | if (hr_qp->state == IB_QPS_RESET) { |
2d407888 WHX |
638 | spin_unlock_irqrestore(&hr_qp->rq.lock, flags); |
639 | *bad_wr = wr; | |
640 | return -EINVAL; | |
641 | } | |
642 | ||
643 | for (nreq = 0; wr; ++nreq, wr = wr->next) { | |
644 | if (hns_roce_wq_overflow(&hr_qp->rq, nreq, | |
645 | hr_qp->ibqp.recv_cq)) { | |
646 | ret = -ENOMEM; | |
647 | *bad_wr = wr; | |
648 | goto out; | |
649 | } | |
650 | ||
651 | if (unlikely(wr->num_sge > hr_qp->rq.max_gs)) { | |
652 | dev_err(dev, "rq:num_sge=%d > qp->sq.max_gs=%d\n", | |
653 | wr->num_sge, hr_qp->rq.max_gs); | |
654 | ret = -EINVAL; | |
655 | *bad_wr = wr; | |
656 | goto out; | |
657 | } | |
658 | ||
659 | wqe = get_recv_wqe(hr_qp, ind); | |
660 | dseg = (struct hns_roce_v2_wqe_data_seg *)wqe; | |
661 | for (i = 0; i < wr->num_sge; i++) { | |
662 | if (!wr->sg_list[i].length) | |
663 | continue; | |
664 | set_data_seg_v2(dseg, wr->sg_list + i); | |
665 | dseg++; | |
666 | } | |
667 | ||
668 | if (i < hr_qp->rq.max_gs) { | |
778cc5a8 | 669 | dseg->lkey = cpu_to_le32(HNS_ROCE_INVALID_LKEY); |
670 | dseg->addr = 0; | |
2d407888 WHX |
671 | } |
672 | ||
0009c2db | 673 | /* rq support inline data */ |
ecaaf1e2 | 674 | if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RQ_INLINE) { |
675 | sge_list = hr_qp->rq_inl_buf.wqe_list[ind].sg_list; | |
676 | hr_qp->rq_inl_buf.wqe_list[ind].sge_cnt = | |
677 | (u32)wr->num_sge; | |
678 | for (i = 0; i < wr->num_sge; i++) { | |
679 | sge_list[i].addr = | |
680 | (void *)(u64)wr->sg_list[i].addr; | |
681 | sge_list[i].len = wr->sg_list[i].length; | |
682 | } | |
0009c2db | 683 | } |
684 | ||
2d407888 WHX |
685 | hr_qp->rq.wrid[ind] = wr->wr_id; |
686 | ||
687 | ind = (ind + 1) & (hr_qp->rq.wqe_cnt - 1); | |
688 | } | |
689 | ||
690 | out: | |
691 | if (likely(nreq)) { | |
692 | hr_qp->rq.head += nreq; | |
693 | /* Memory barrier */ | |
694 | wmb(); | |
695 | ||
472bc0fb | 696 | *hr_qp->rdb.db_record = hr_qp->rq.head & 0xffff; |
0425e3e6 YL |
697 | |
698 | if (hr_qp->state == IB_QPS_ERR) { | |
699 | attr_mask = IB_QP_STATE; | |
700 | attr.qp_state = IB_QPS_ERR; | |
701 | ||
702 | ret = hns_roce_v2_modify_qp(&hr_qp->ibqp, &attr, | |
703 | attr_mask, hr_qp->state, | |
704 | IB_QPS_ERR); | |
705 | if (ret) { | |
706 | spin_unlock_irqrestore(&hr_qp->rq.lock, flags); | |
707 | *bad_wr = wr; | |
708 | return ret; | |
709 | } | |
710 | } | |
2d407888 WHX |
711 | } |
712 | spin_unlock_irqrestore(&hr_qp->rq.lock, flags); | |
713 | ||
714 | return ret; | |
715 | } | |
716 | ||
6a04aed6 WHX |
717 | static int hns_roce_v2_cmd_hw_reseted(struct hns_roce_dev *hr_dev, |
718 | unsigned long instance_stage, | |
719 | unsigned long reset_stage) | |
720 | { | |
721 | /* When hardware reset has been completed once or more, we should stop | |
d3743fa9 | 722 | * sending mailbox&cmq&doorbell to hardware. If now in .init_instance() |
6a04aed6 WHX |
723 | * function, we should exit with error. If now at HNAE3_INIT_CLIENT |
724 | * stage of soft reset process, we should exit with error, and then | |
725 | * HNAE3_INIT_CLIENT related process can rollback the operation like | |
726 | * notifing hardware to free resources, HNAE3_INIT_CLIENT related | |
727 | * process will exit with error to notify NIC driver to reschedule soft | |
728 | * reset process once again. | |
729 | */ | |
730 | hr_dev->is_reset = true; | |
d3743fa9 | 731 | hr_dev->dis_db = true; |
6a04aed6 WHX |
732 | |
733 | if (reset_stage == HNS_ROCE_STATE_RST_INIT || | |
734 | instance_stage == HNS_ROCE_STATE_INIT) | |
735 | return CMD_RST_PRC_EBUSY; | |
736 | ||
737 | return CMD_RST_PRC_SUCCESS; | |
738 | } | |
739 | ||
740 | static int hns_roce_v2_cmd_hw_resetting(struct hns_roce_dev *hr_dev, | |
741 | unsigned long instance_stage, | |
742 | unsigned long reset_stage) | |
743 | { | |
744 | struct hns_roce_v2_priv *priv = (struct hns_roce_v2_priv *)hr_dev->priv; | |
745 | struct hnae3_handle *handle = priv->handle; | |
746 | const struct hnae3_ae_ops *ops = handle->ae_algo->ops; | |
747 | ||
d3743fa9 WHX |
748 | /* When hardware reset is detected, we should stop sending mailbox&cmq& |
749 | * doorbell to hardware. If now in .init_instance() function, we should | |
6a04aed6 WHX |
750 | * exit with error. If now at HNAE3_INIT_CLIENT stage of soft reset |
751 | * process, we should exit with error, and then HNAE3_INIT_CLIENT | |
752 | * related process can rollback the operation like notifing hardware to | |
753 | * free resources, HNAE3_INIT_CLIENT related process will exit with | |
754 | * error to notify NIC driver to reschedule soft reset process once | |
755 | * again. | |
756 | */ | |
d3743fa9 | 757 | hr_dev->dis_db = true; |
6a04aed6 WHX |
758 | if (!ops->get_hw_reset_stat(handle)) |
759 | hr_dev->is_reset = true; | |
760 | ||
761 | if (!hr_dev->is_reset || reset_stage == HNS_ROCE_STATE_RST_INIT || | |
762 | instance_stage == HNS_ROCE_STATE_INIT) | |
763 | return CMD_RST_PRC_EBUSY; | |
764 | ||
765 | return CMD_RST_PRC_SUCCESS; | |
766 | } | |
767 | ||
768 | static int hns_roce_v2_cmd_sw_resetting(struct hns_roce_dev *hr_dev) | |
769 | { | |
770 | struct hns_roce_v2_priv *priv = (struct hns_roce_v2_priv *)hr_dev->priv; | |
771 | struct hnae3_handle *handle = priv->handle; | |
772 | const struct hnae3_ae_ops *ops = handle->ae_algo->ops; | |
773 | ||
774 | /* When software reset is detected at .init_instance() function, we | |
d3743fa9 WHX |
775 | * should stop sending mailbox&cmq&doorbell to hardware, and exit |
776 | * with error. | |
6a04aed6 | 777 | */ |
d3743fa9 | 778 | hr_dev->dis_db = true; |
6a04aed6 WHX |
779 | if (ops->ae_dev_reset_cnt(handle) != hr_dev->reset_cnt) |
780 | hr_dev->is_reset = true; | |
781 | ||
782 | return CMD_RST_PRC_EBUSY; | |
783 | } | |
784 | ||
785 | static int hns_roce_v2_rst_process_cmd(struct hns_roce_dev *hr_dev) | |
786 | { | |
787 | struct hns_roce_v2_priv *priv = (struct hns_roce_v2_priv *)hr_dev->priv; | |
788 | struct hnae3_handle *handle = priv->handle; | |
789 | const struct hnae3_ae_ops *ops = handle->ae_algo->ops; | |
790 | unsigned long instance_stage; /* the current instance stage */ | |
791 | unsigned long reset_stage; /* the current reset stage */ | |
792 | unsigned long reset_cnt; | |
793 | bool sw_resetting; | |
794 | bool hw_resetting; | |
795 | ||
796 | if (hr_dev->is_reset) | |
797 | return CMD_RST_PRC_SUCCESS; | |
798 | ||
799 | /* Get information about reset from NIC driver or RoCE driver itself, | |
800 | * the meaning of the following variables from NIC driver are described | |
801 | * as below: | |
802 | * reset_cnt -- The count value of completed hardware reset. | |
803 | * hw_resetting -- Whether hardware device is resetting now. | |
804 | * sw_resetting -- Whether NIC's software reset process is running now. | |
805 | */ | |
806 | instance_stage = handle->rinfo.instance_state; | |
807 | reset_stage = handle->rinfo.reset_state; | |
808 | reset_cnt = ops->ae_dev_reset_cnt(handle); | |
809 | hw_resetting = ops->get_hw_reset_stat(handle); | |
810 | sw_resetting = ops->ae_dev_resetting(handle); | |
811 | ||
812 | if (reset_cnt != hr_dev->reset_cnt) | |
813 | return hns_roce_v2_cmd_hw_reseted(hr_dev, instance_stage, | |
814 | reset_stage); | |
815 | else if (hw_resetting) | |
816 | return hns_roce_v2_cmd_hw_resetting(hr_dev, instance_stage, | |
817 | reset_stage); | |
818 | else if (sw_resetting && instance_stage == HNS_ROCE_STATE_INIT) | |
819 | return hns_roce_v2_cmd_sw_resetting(hr_dev); | |
820 | ||
821 | return 0; | |
822 | } | |
823 | ||
a04ff739 WHX |
824 | static int hns_roce_cmq_space(struct hns_roce_v2_cmq_ring *ring) |
825 | { | |
826 | int ntu = ring->next_to_use; | |
827 | int ntc = ring->next_to_clean; | |
828 | int used = (ntu - ntc + ring->desc_num) % ring->desc_num; | |
829 | ||
830 | return ring->desc_num - used - 1; | |
831 | } | |
832 | ||
833 | static int hns_roce_alloc_cmq_desc(struct hns_roce_dev *hr_dev, | |
834 | struct hns_roce_v2_cmq_ring *ring) | |
835 | { | |
836 | int size = ring->desc_num * sizeof(struct hns_roce_cmq_desc); | |
837 | ||
838 | ring->desc = kzalloc(size, GFP_KERNEL); | |
839 | if (!ring->desc) | |
840 | return -ENOMEM; | |
841 | ||
842 | ring->desc_dma_addr = dma_map_single(hr_dev->dev, ring->desc, size, | |
843 | DMA_BIDIRECTIONAL); | |
844 | if (dma_mapping_error(hr_dev->dev, ring->desc_dma_addr)) { | |
845 | ring->desc_dma_addr = 0; | |
846 | kfree(ring->desc); | |
847 | ring->desc = NULL; | |
848 | return -ENOMEM; | |
849 | } | |
850 | ||
851 | return 0; | |
852 | } | |
853 | ||
854 | static void hns_roce_free_cmq_desc(struct hns_roce_dev *hr_dev, | |
855 | struct hns_roce_v2_cmq_ring *ring) | |
856 | { | |
857 | dma_unmap_single(hr_dev->dev, ring->desc_dma_addr, | |
858 | ring->desc_num * sizeof(struct hns_roce_cmq_desc), | |
859 | DMA_BIDIRECTIONAL); | |
90e7a4d5 | 860 | |
861 | ring->desc_dma_addr = 0; | |
a04ff739 WHX |
862 | kfree(ring->desc); |
863 | } | |
864 | ||
865 | static int hns_roce_init_cmq_ring(struct hns_roce_dev *hr_dev, bool ring_type) | |
866 | { | |
867 | struct hns_roce_v2_priv *priv = (struct hns_roce_v2_priv *)hr_dev->priv; | |
868 | struct hns_roce_v2_cmq_ring *ring = (ring_type == TYPE_CSQ) ? | |
869 | &priv->cmq.csq : &priv->cmq.crq; | |
870 | ||
871 | ring->flag = ring_type; | |
872 | ring->next_to_clean = 0; | |
873 | ring->next_to_use = 0; | |
874 | ||
875 | return hns_roce_alloc_cmq_desc(hr_dev, ring); | |
876 | } | |
877 | ||
878 | static void hns_roce_cmq_init_regs(struct hns_roce_dev *hr_dev, bool ring_type) | |
879 | { | |
880 | struct hns_roce_v2_priv *priv = (struct hns_roce_v2_priv *)hr_dev->priv; | |
881 | struct hns_roce_v2_cmq_ring *ring = (ring_type == TYPE_CSQ) ? | |
882 | &priv->cmq.csq : &priv->cmq.crq; | |
883 | dma_addr_t dma = ring->desc_dma_addr; | |
884 | ||
885 | if (ring_type == TYPE_CSQ) { | |
886 | roce_write(hr_dev, ROCEE_TX_CMQ_BASEADDR_L_REG, (u32)dma); | |
887 | roce_write(hr_dev, ROCEE_TX_CMQ_BASEADDR_H_REG, | |
888 | upper_32_bits(dma)); | |
889 | roce_write(hr_dev, ROCEE_TX_CMQ_DEPTH_REG, | |
890 | (ring->desc_num >> HNS_ROCE_CMQ_DESC_NUM_S) | | |
891 | HNS_ROCE_CMQ_ENABLE); | |
892 | roce_write(hr_dev, ROCEE_TX_CMQ_HEAD_REG, 0); | |
893 | roce_write(hr_dev, ROCEE_TX_CMQ_TAIL_REG, 0); | |
894 | } else { | |
895 | roce_write(hr_dev, ROCEE_RX_CMQ_BASEADDR_L_REG, (u32)dma); | |
896 | roce_write(hr_dev, ROCEE_RX_CMQ_BASEADDR_H_REG, | |
897 | upper_32_bits(dma)); | |
898 | roce_write(hr_dev, ROCEE_RX_CMQ_DEPTH_REG, | |
899 | (ring->desc_num >> HNS_ROCE_CMQ_DESC_NUM_S) | | |
900 | HNS_ROCE_CMQ_ENABLE); | |
901 | roce_write(hr_dev, ROCEE_RX_CMQ_HEAD_REG, 0); | |
902 | roce_write(hr_dev, ROCEE_RX_CMQ_TAIL_REG, 0); | |
903 | } | |
904 | } | |
905 | ||
906 | static int hns_roce_v2_cmq_init(struct hns_roce_dev *hr_dev) | |
907 | { | |
908 | struct hns_roce_v2_priv *priv = (struct hns_roce_v2_priv *)hr_dev->priv; | |
909 | int ret; | |
910 | ||
911 | /* Setup the queue entries for command queue */ | |
426c4146 LO |
912 | priv->cmq.csq.desc_num = CMD_CSQ_DESC_NUM; |
913 | priv->cmq.crq.desc_num = CMD_CRQ_DESC_NUM; | |
a04ff739 WHX |
914 | |
915 | /* Setup the lock for command queue */ | |
916 | spin_lock_init(&priv->cmq.csq.lock); | |
917 | spin_lock_init(&priv->cmq.crq.lock); | |
918 | ||
919 | /* Setup Tx write back timeout */ | |
920 | priv->cmq.tx_timeout = HNS_ROCE_CMQ_TX_TIMEOUT; | |
921 | ||
922 | /* Init CSQ */ | |
923 | ret = hns_roce_init_cmq_ring(hr_dev, TYPE_CSQ); | |
924 | if (ret) { | |
925 | dev_err(hr_dev->dev, "Init CSQ error, ret = %d.\n", ret); | |
926 | return ret; | |
927 | } | |
928 | ||
929 | /* Init CRQ */ | |
930 | ret = hns_roce_init_cmq_ring(hr_dev, TYPE_CRQ); | |
931 | if (ret) { | |
932 | dev_err(hr_dev->dev, "Init CRQ error, ret = %d.\n", ret); | |
933 | goto err_crq; | |
934 | } | |
935 | ||
936 | /* Init CSQ REG */ | |
937 | hns_roce_cmq_init_regs(hr_dev, TYPE_CSQ); | |
938 | ||
939 | /* Init CRQ REG */ | |
940 | hns_roce_cmq_init_regs(hr_dev, TYPE_CRQ); | |
941 | ||
942 | return 0; | |
943 | ||
944 | err_crq: | |
945 | hns_roce_free_cmq_desc(hr_dev, &priv->cmq.csq); | |
946 | ||
947 | return ret; | |
948 | } | |
949 | ||
950 | static void hns_roce_v2_cmq_exit(struct hns_roce_dev *hr_dev) | |
951 | { | |
952 | struct hns_roce_v2_priv *priv = (struct hns_roce_v2_priv *)hr_dev->priv; | |
953 | ||
954 | hns_roce_free_cmq_desc(hr_dev, &priv->cmq.csq); | |
955 | hns_roce_free_cmq_desc(hr_dev, &priv->cmq.crq); | |
956 | } | |
957 | ||
281d0ccf CIK |
958 | static void hns_roce_cmq_setup_basic_desc(struct hns_roce_cmq_desc *desc, |
959 | enum hns_roce_opcode_type opcode, | |
960 | bool is_read) | |
a04ff739 WHX |
961 | { |
962 | memset((void *)desc, 0, sizeof(struct hns_roce_cmq_desc)); | |
963 | desc->opcode = cpu_to_le16(opcode); | |
964 | desc->flag = | |
965 | cpu_to_le16(HNS_ROCE_CMD_FLAG_NO_INTR | HNS_ROCE_CMD_FLAG_IN); | |
966 | if (is_read) | |
967 | desc->flag |= cpu_to_le16(HNS_ROCE_CMD_FLAG_WR); | |
968 | else | |
969 | desc->flag &= cpu_to_le16(~HNS_ROCE_CMD_FLAG_WR); | |
970 | } | |
971 | ||
972 | static int hns_roce_cmq_csq_done(struct hns_roce_dev *hr_dev) | |
973 | { | |
974 | struct hns_roce_v2_priv *priv = (struct hns_roce_v2_priv *)hr_dev->priv; | |
975 | u32 head = roce_read(hr_dev, ROCEE_TX_CMQ_HEAD_REG); | |
976 | ||
977 | return head == priv->cmq.csq.next_to_use; | |
978 | } | |
979 | ||
980 | static int hns_roce_cmq_csq_clean(struct hns_roce_dev *hr_dev) | |
981 | { | |
982 | struct hns_roce_v2_priv *priv = (struct hns_roce_v2_priv *)hr_dev->priv; | |
983 | struct hns_roce_v2_cmq_ring *csq = &priv->cmq.csq; | |
984 | struct hns_roce_cmq_desc *desc; | |
985 | u16 ntc = csq->next_to_clean; | |
986 | u32 head; | |
987 | int clean = 0; | |
988 | ||
989 | desc = &csq->desc[ntc]; | |
990 | head = roce_read(hr_dev, ROCEE_TX_CMQ_HEAD_REG); | |
991 | while (head != ntc) { | |
992 | memset(desc, 0, sizeof(*desc)); | |
993 | ntc++; | |
994 | if (ntc == csq->desc_num) | |
995 | ntc = 0; | |
996 | desc = &csq->desc[ntc]; | |
997 | clean++; | |
998 | } | |
999 | csq->next_to_clean = ntc; | |
1000 | ||
1001 | return clean; | |
1002 | } | |
1003 | ||
6a04aed6 WHX |
1004 | static int __hns_roce_cmq_send(struct hns_roce_dev *hr_dev, |
1005 | struct hns_roce_cmq_desc *desc, int num) | |
a04ff739 WHX |
1006 | { |
1007 | struct hns_roce_v2_priv *priv = (struct hns_roce_v2_priv *)hr_dev->priv; | |
1008 | struct hns_roce_v2_cmq_ring *csq = &priv->cmq.csq; | |
1009 | struct hns_roce_cmq_desc *desc_to_use; | |
1010 | bool complete = false; | |
1011 | u32 timeout = 0; | |
1012 | int handle = 0; | |
1013 | u16 desc_ret; | |
1014 | int ret = 0; | |
1015 | int ntc; | |
1016 | ||
1017 | spin_lock_bh(&csq->lock); | |
1018 | ||
1019 | if (num > hns_roce_cmq_space(csq)) { | |
1020 | spin_unlock_bh(&csq->lock); | |
1021 | return -EBUSY; | |
1022 | } | |
1023 | ||
1024 | /* | |
1025 | * Record the location of desc in the cmq for this time | |
1026 | * which will be use for hardware to write back | |
1027 | */ | |
1028 | ntc = csq->next_to_use; | |
1029 | ||
1030 | while (handle < num) { | |
1031 | desc_to_use = &csq->desc[csq->next_to_use]; | |
1032 | *desc_to_use = desc[handle]; | |
1033 | dev_dbg(hr_dev->dev, "set cmq desc:\n"); | |
1034 | csq->next_to_use++; | |
1035 | if (csq->next_to_use == csq->desc_num) | |
1036 | csq->next_to_use = 0; | |
1037 | handle++; | |
1038 | } | |
1039 | ||
1040 | /* Write to hardware */ | |
1041 | roce_write(hr_dev, ROCEE_TX_CMQ_TAIL_REG, csq->next_to_use); | |
1042 | ||
1043 | /* | |
1044 | * If the command is sync, wait for the firmware to write back, | |
1045 | * if multi descriptors to be sent, use the first one to check | |
1046 | */ | |
1047 | if ((desc->flag) & HNS_ROCE_CMD_FLAG_NO_INTR) { | |
1048 | do { | |
1049 | if (hns_roce_cmq_csq_done(hr_dev)) | |
1050 | break; | |
988e175b | 1051 | udelay(1); |
a04ff739 WHX |
1052 | timeout++; |
1053 | } while (timeout < priv->cmq.tx_timeout); | |
1054 | } | |
1055 | ||
1056 | if (hns_roce_cmq_csq_done(hr_dev)) { | |
1057 | complete = true; | |
1058 | handle = 0; | |
1059 | while (handle < num) { | |
1060 | /* get the result of hardware write back */ | |
1061 | desc_to_use = &csq->desc[ntc]; | |
1062 | desc[handle] = *desc_to_use; | |
1063 | dev_dbg(hr_dev->dev, "Get cmq desc:\n"); | |
1064 | desc_ret = desc[handle].retval; | |
1065 | if (desc_ret == CMD_EXEC_SUCCESS) | |
1066 | ret = 0; | |
1067 | else | |
1068 | ret = -EIO; | |
1069 | priv->cmq.last_status = desc_ret; | |
1070 | ntc++; | |
1071 | handle++; | |
1072 | if (ntc == csq->desc_num) | |
1073 | ntc = 0; | |
1074 | } | |
1075 | } | |
1076 | ||
1077 | if (!complete) | |
1078 | ret = -EAGAIN; | |
1079 | ||
1080 | /* clean the command send queue */ | |
1081 | handle = hns_roce_cmq_csq_clean(hr_dev); | |
1082 | if (handle != num) | |
1083 | dev_warn(hr_dev->dev, "Cleaned %d, need to clean %d\n", | |
1084 | handle, num); | |
1085 | ||
1086 | spin_unlock_bh(&csq->lock); | |
1087 | ||
1088 | return ret; | |
1089 | } | |
1090 | ||
e95e52a1 | 1091 | static int hns_roce_cmq_send(struct hns_roce_dev *hr_dev, |
6a04aed6 WHX |
1092 | struct hns_roce_cmq_desc *desc, int num) |
1093 | { | |
1094 | int retval; | |
1095 | int ret; | |
1096 | ||
1097 | ret = hns_roce_v2_rst_process_cmd(hr_dev); | |
1098 | if (ret == CMD_RST_PRC_SUCCESS) | |
1099 | return 0; | |
1100 | if (ret == CMD_RST_PRC_EBUSY) | |
b417c087 | 1101 | return -EBUSY; |
6a04aed6 WHX |
1102 | |
1103 | ret = __hns_roce_cmq_send(hr_dev, desc, num); | |
1104 | if (ret) { | |
1105 | retval = hns_roce_v2_rst_process_cmd(hr_dev); | |
1106 | if (retval == CMD_RST_PRC_SUCCESS) | |
1107 | return 0; | |
1108 | else if (retval == CMD_RST_PRC_EBUSY) | |
b417c087 | 1109 | return -EBUSY; |
6a04aed6 WHX |
1110 | } |
1111 | ||
1112 | return ret; | |
1113 | } | |
1114 | ||
281d0ccf | 1115 | static int hns_roce_cmq_query_hw_info(struct hns_roce_dev *hr_dev) |
cfc85f3e WHX |
1116 | { |
1117 | struct hns_roce_query_version *resp; | |
1118 | struct hns_roce_cmq_desc desc; | |
1119 | int ret; | |
1120 | ||
1121 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_QUERY_HW_VER, true); | |
1122 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); | |
1123 | if (ret) | |
1124 | return ret; | |
1125 | ||
1126 | resp = (struct hns_roce_query_version *)desc.data; | |
1127 | hr_dev->hw_rev = le32_to_cpu(resp->rocee_hw_version); | |
3a63c964 LO |
1128 | hr_dev->vendor_id = hr_dev->pci_dev->vendor; |
1129 | ||
1130 | return 0; | |
1131 | } | |
1132 | ||
89a6da3c LC |
1133 | static void hns_roce_function_clear(struct hns_roce_dev *hr_dev) |
1134 | { | |
89a6da3c LC |
1135 | struct hns_roce_func_clear *resp; |
1136 | struct hns_roce_cmq_desc desc; | |
1137 | unsigned long end; | |
1138 | int ret; | |
1139 | ||
1140 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_FUNC_CLEAR, false); | |
1141 | resp = (struct hns_roce_func_clear *)desc.data; | |
1142 | ||
1143 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); | |
1144 | if (ret) { | |
89a6da3c LC |
1145 | dev_err(hr_dev->dev, "Func clear write failed, ret = %d.\n", |
1146 | ret); | |
1147 | return; | |
1148 | } | |
1149 | ||
1150 | msleep(HNS_ROCE_V2_READ_FUNC_CLEAR_FLAG_INTERVAL); | |
1151 | end = HNS_ROCE_V2_FUNC_CLEAR_TIMEOUT_MSECS; | |
1152 | while (end) { | |
1153 | msleep(HNS_ROCE_V2_READ_FUNC_CLEAR_FLAG_FAIL_WAIT); | |
1154 | end -= HNS_ROCE_V2_READ_FUNC_CLEAR_FLAG_FAIL_WAIT; | |
1155 | ||
1156 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_FUNC_CLEAR, | |
1157 | true); | |
1158 | ||
1159 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); | |
1160 | if (ret) | |
1161 | continue; | |
1162 | ||
1163 | if (roce_get_bit(resp->func_done, FUNC_CLEAR_RST_FUN_DONE_S)) { | |
1164 | hr_dev->is_reset = true; | |
1165 | return; | |
1166 | } | |
1167 | } | |
1168 | ||
1169 | dev_err(hr_dev->dev, "Func clear fail.\n"); | |
1170 | } | |
1171 | ||
3a63c964 LO |
1172 | static int hns_roce_query_fw_ver(struct hns_roce_dev *hr_dev) |
1173 | { | |
1174 | struct hns_roce_query_fw_info *resp; | |
1175 | struct hns_roce_cmq_desc desc; | |
1176 | int ret; | |
1177 | ||
1178 | hns_roce_cmq_setup_basic_desc(&desc, HNS_QUERY_FW_VER, true); | |
1179 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); | |
1180 | if (ret) | |
1181 | return ret; | |
1182 | ||
1183 | resp = (struct hns_roce_query_fw_info *)desc.data; | |
1184 | hr_dev->caps.fw_ver = (u64)(le32_to_cpu(resp->fw_ver)); | |
cfc85f3e WHX |
1185 | |
1186 | return 0; | |
1187 | } | |
1188 | ||
1189 | static int hns_roce_config_global_param(struct hns_roce_dev *hr_dev) | |
1190 | { | |
1191 | struct hns_roce_cfg_global_param *req; | |
1192 | struct hns_roce_cmq_desc desc; | |
1193 | ||
1194 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CFG_GLOBAL_PARAM, | |
1195 | false); | |
1196 | ||
1197 | req = (struct hns_roce_cfg_global_param *)desc.data; | |
1198 | memset(req, 0, sizeof(*req)); | |
1199 | roce_set_field(req->time_cfg_udp_port, | |
1200 | CFG_GLOBAL_PARAM_DATA_0_ROCEE_TIME_1US_CFG_M, | |
1201 | CFG_GLOBAL_PARAM_DATA_0_ROCEE_TIME_1US_CFG_S, 0x3e8); | |
1202 | roce_set_field(req->time_cfg_udp_port, | |
1203 | CFG_GLOBAL_PARAM_DATA_0_ROCEE_UDP_PORT_M, | |
1204 | CFG_GLOBAL_PARAM_DATA_0_ROCEE_UDP_PORT_S, 0x12b7); | |
1205 | ||
1206 | return hns_roce_cmq_send(hr_dev, &desc, 1); | |
1207 | } | |
1208 | ||
1209 | static int hns_roce_query_pf_resource(struct hns_roce_dev *hr_dev) | |
1210 | { | |
1211 | struct hns_roce_cmq_desc desc[2]; | |
6b63597d | 1212 | struct hns_roce_pf_res_a *req_a; |
1213 | struct hns_roce_pf_res_b *req_b; | |
cfc85f3e WHX |
1214 | int ret; |
1215 | int i; | |
1216 | ||
1217 | for (i = 0; i < 2; i++) { | |
1218 | hns_roce_cmq_setup_basic_desc(&desc[i], | |
1219 | HNS_ROCE_OPC_QUERY_PF_RES, true); | |
1220 | ||
1221 | if (i == 0) | |
1222 | desc[i].flag |= cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
1223 | else | |
1224 | desc[i].flag &= ~cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
1225 | } | |
1226 | ||
1227 | ret = hns_roce_cmq_send(hr_dev, desc, 2); | |
1228 | if (ret) | |
1229 | return ret; | |
1230 | ||
6b63597d | 1231 | req_a = (struct hns_roce_pf_res_a *)desc[0].data; |
1232 | req_b = (struct hns_roce_pf_res_b *)desc[1].data; | |
cfc85f3e | 1233 | |
6b63597d | 1234 | hr_dev->caps.qpc_bt_num = roce_get_field(req_a->qpc_bt_idx_num, |
cfc85f3e WHX |
1235 | PF_RES_DATA_1_PF_QPC_BT_NUM_M, |
1236 | PF_RES_DATA_1_PF_QPC_BT_NUM_S); | |
6b63597d | 1237 | hr_dev->caps.srqc_bt_num = roce_get_field(req_a->srqc_bt_idx_num, |
cfc85f3e WHX |
1238 | PF_RES_DATA_2_PF_SRQC_BT_NUM_M, |
1239 | PF_RES_DATA_2_PF_SRQC_BT_NUM_S); | |
6b63597d | 1240 | hr_dev->caps.cqc_bt_num = roce_get_field(req_a->cqc_bt_idx_num, |
cfc85f3e WHX |
1241 | PF_RES_DATA_3_PF_CQC_BT_NUM_M, |
1242 | PF_RES_DATA_3_PF_CQC_BT_NUM_S); | |
6b63597d | 1243 | hr_dev->caps.mpt_bt_num = roce_get_field(req_a->mpt_bt_idx_num, |
cfc85f3e WHX |
1244 | PF_RES_DATA_4_PF_MPT_BT_NUM_M, |
1245 | PF_RES_DATA_4_PF_MPT_BT_NUM_S); | |
1246 | ||
6b63597d | 1247 | hr_dev->caps.sl_num = roce_get_field(req_b->qid_idx_sl_num, |
1248 | PF_RES_DATA_3_PF_SL_NUM_M, | |
1249 | PF_RES_DATA_3_PF_SL_NUM_S); | |
6a157f7d YL |
1250 | hr_dev->caps.sccc_bt_num = roce_get_field(req_b->sccc_bt_idx_num, |
1251 | PF_RES_DATA_4_PF_SCCC_BT_NUM_M, | |
1252 | PF_RES_DATA_4_PF_SCCC_BT_NUM_S); | |
6b63597d | 1253 | |
cfc85f3e WHX |
1254 | return 0; |
1255 | } | |
1256 | ||
0e40dc2f YL |
1257 | static int hns_roce_query_pf_timer_resource(struct hns_roce_dev *hr_dev) |
1258 | { | |
1259 | struct hns_roce_pf_timer_res_a *req_a; | |
1260 | struct hns_roce_cmq_desc desc[2]; | |
1261 | int ret, i; | |
1262 | ||
1263 | for (i = 0; i < 2; i++) { | |
1264 | hns_roce_cmq_setup_basic_desc(&desc[i], | |
1265 | HNS_ROCE_OPC_QUERY_PF_TIMER_RES, | |
1266 | true); | |
1267 | ||
1268 | if (i == 0) | |
1269 | desc[i].flag |= cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
1270 | else | |
1271 | desc[i].flag &= ~cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
1272 | } | |
1273 | ||
1274 | ret = hns_roce_cmq_send(hr_dev, desc, 2); | |
1275 | if (ret) | |
1276 | return ret; | |
1277 | ||
1278 | req_a = (struct hns_roce_pf_timer_res_a *)desc[0].data; | |
1279 | ||
1280 | hr_dev->caps.qpc_timer_bt_num = | |
1281 | roce_get_field(req_a->qpc_timer_bt_idx_num, | |
1282 | PF_RES_DATA_1_PF_QPC_TIMER_BT_NUM_M, | |
1283 | PF_RES_DATA_1_PF_QPC_TIMER_BT_NUM_S); | |
1284 | hr_dev->caps.cqc_timer_bt_num = | |
1285 | roce_get_field(req_a->cqc_timer_bt_idx_num, | |
1286 | PF_RES_DATA_2_PF_CQC_TIMER_BT_NUM_M, | |
1287 | PF_RES_DATA_2_PF_CQC_TIMER_BT_NUM_S); | |
1288 | ||
1289 | return 0; | |
1290 | } | |
1291 | ||
0c1c3880 LO |
1292 | static int hns_roce_set_vf_switch_param(struct hns_roce_dev *hr_dev, |
1293 | int vf_id) | |
1294 | { | |
1295 | struct hns_roce_cmq_desc desc; | |
1296 | struct hns_roce_vf_switch *swt; | |
1297 | int ret; | |
1298 | ||
1299 | swt = (struct hns_roce_vf_switch *)desc.data; | |
1300 | hns_roce_cmq_setup_basic_desc(&desc, HNS_SWITCH_PARAMETER_CFG, true); | |
1301 | swt->rocee_sel |= cpu_to_le16(HNS_ICL_SWITCH_CMD_ROCEE_SEL); | |
1302 | roce_set_field(swt->fun_id, | |
1303 | VF_SWITCH_DATA_FUN_ID_VF_ID_M, | |
1304 | VF_SWITCH_DATA_FUN_ID_VF_ID_S, | |
1305 | vf_id); | |
1306 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); | |
1307 | if (ret) | |
1308 | return ret; | |
1309 | desc.flag = | |
1310 | cpu_to_le16(HNS_ROCE_CMD_FLAG_NO_INTR | HNS_ROCE_CMD_FLAG_IN); | |
1311 | desc.flag &= cpu_to_le16(~HNS_ROCE_CMD_FLAG_WR); | |
1312 | roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_LPBK_S, 1); | |
1313 | roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_LCL_LPBK_S, 1); | |
1314 | roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_DST_OVRD_S, 1); | |
1315 | ||
1316 | return hns_roce_cmq_send(hr_dev, &desc, 1); | |
1317 | } | |
1318 | ||
cfc85f3e WHX |
1319 | static int hns_roce_alloc_vf_resource(struct hns_roce_dev *hr_dev) |
1320 | { | |
1321 | struct hns_roce_cmq_desc desc[2]; | |
1322 | struct hns_roce_vf_res_a *req_a; | |
1323 | struct hns_roce_vf_res_b *req_b; | |
1324 | int i; | |
1325 | ||
1326 | req_a = (struct hns_roce_vf_res_a *)desc[0].data; | |
1327 | req_b = (struct hns_roce_vf_res_b *)desc[1].data; | |
1328 | memset(req_a, 0, sizeof(*req_a)); | |
1329 | memset(req_b, 0, sizeof(*req_b)); | |
1330 | for (i = 0; i < 2; i++) { | |
1331 | hns_roce_cmq_setup_basic_desc(&desc[i], | |
1332 | HNS_ROCE_OPC_ALLOC_VF_RES, false); | |
1333 | ||
1334 | if (i == 0) | |
1335 | desc[i].flag |= cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
1336 | else | |
1337 | desc[i].flag &= ~cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
1338 | ||
1339 | if (i == 0) { | |
1340 | roce_set_field(req_a->vf_qpc_bt_idx_num, | |
1341 | VF_RES_A_DATA_1_VF_QPC_BT_IDX_M, | |
1342 | VF_RES_A_DATA_1_VF_QPC_BT_IDX_S, 0); | |
1343 | roce_set_field(req_a->vf_qpc_bt_idx_num, | |
1344 | VF_RES_A_DATA_1_VF_QPC_BT_NUM_M, | |
1345 | VF_RES_A_DATA_1_VF_QPC_BT_NUM_S, | |
1346 | HNS_ROCE_VF_QPC_BT_NUM); | |
1347 | ||
1348 | roce_set_field(req_a->vf_srqc_bt_idx_num, | |
1349 | VF_RES_A_DATA_2_VF_SRQC_BT_IDX_M, | |
1350 | VF_RES_A_DATA_2_VF_SRQC_BT_IDX_S, 0); | |
1351 | roce_set_field(req_a->vf_srqc_bt_idx_num, | |
1352 | VF_RES_A_DATA_2_VF_SRQC_BT_NUM_M, | |
1353 | VF_RES_A_DATA_2_VF_SRQC_BT_NUM_S, | |
1354 | HNS_ROCE_VF_SRQC_BT_NUM); | |
1355 | ||
1356 | roce_set_field(req_a->vf_cqc_bt_idx_num, | |
1357 | VF_RES_A_DATA_3_VF_CQC_BT_IDX_M, | |
1358 | VF_RES_A_DATA_3_VF_CQC_BT_IDX_S, 0); | |
1359 | roce_set_field(req_a->vf_cqc_bt_idx_num, | |
1360 | VF_RES_A_DATA_3_VF_CQC_BT_NUM_M, | |
1361 | VF_RES_A_DATA_3_VF_CQC_BT_NUM_S, | |
1362 | HNS_ROCE_VF_CQC_BT_NUM); | |
1363 | ||
1364 | roce_set_field(req_a->vf_mpt_bt_idx_num, | |
1365 | VF_RES_A_DATA_4_VF_MPT_BT_IDX_M, | |
1366 | VF_RES_A_DATA_4_VF_MPT_BT_IDX_S, 0); | |
1367 | roce_set_field(req_a->vf_mpt_bt_idx_num, | |
1368 | VF_RES_A_DATA_4_VF_MPT_BT_NUM_M, | |
1369 | VF_RES_A_DATA_4_VF_MPT_BT_NUM_S, | |
1370 | HNS_ROCE_VF_MPT_BT_NUM); | |
1371 | ||
1372 | roce_set_field(req_a->vf_eqc_bt_idx_num, | |
1373 | VF_RES_A_DATA_5_VF_EQC_IDX_M, | |
1374 | VF_RES_A_DATA_5_VF_EQC_IDX_S, 0); | |
1375 | roce_set_field(req_a->vf_eqc_bt_idx_num, | |
1376 | VF_RES_A_DATA_5_VF_EQC_NUM_M, | |
1377 | VF_RES_A_DATA_5_VF_EQC_NUM_S, | |
1378 | HNS_ROCE_VF_EQC_NUM); | |
1379 | } else { | |
1380 | roce_set_field(req_b->vf_smac_idx_num, | |
1381 | VF_RES_B_DATA_1_VF_SMAC_IDX_M, | |
1382 | VF_RES_B_DATA_1_VF_SMAC_IDX_S, 0); | |
1383 | roce_set_field(req_b->vf_smac_idx_num, | |
1384 | VF_RES_B_DATA_1_VF_SMAC_NUM_M, | |
1385 | VF_RES_B_DATA_1_VF_SMAC_NUM_S, | |
1386 | HNS_ROCE_VF_SMAC_NUM); | |
1387 | ||
1388 | roce_set_field(req_b->vf_sgid_idx_num, | |
1389 | VF_RES_B_DATA_2_VF_SGID_IDX_M, | |
1390 | VF_RES_B_DATA_2_VF_SGID_IDX_S, 0); | |
1391 | roce_set_field(req_b->vf_sgid_idx_num, | |
1392 | VF_RES_B_DATA_2_VF_SGID_NUM_M, | |
1393 | VF_RES_B_DATA_2_VF_SGID_NUM_S, | |
1394 | HNS_ROCE_VF_SGID_NUM); | |
1395 | ||
1396 | roce_set_field(req_b->vf_qid_idx_sl_num, | |
1397 | VF_RES_B_DATA_3_VF_QID_IDX_M, | |
1398 | VF_RES_B_DATA_3_VF_QID_IDX_S, 0); | |
1399 | roce_set_field(req_b->vf_qid_idx_sl_num, | |
1400 | VF_RES_B_DATA_3_VF_SL_NUM_M, | |
1401 | VF_RES_B_DATA_3_VF_SL_NUM_S, | |
1402 | HNS_ROCE_VF_SL_NUM); | |
6a157f7d YL |
1403 | |
1404 | roce_set_field(req_b->vf_sccc_idx_num, | |
1405 | VF_RES_B_DATA_4_VF_SCCC_BT_IDX_M, | |
1406 | VF_RES_B_DATA_4_VF_SCCC_BT_IDX_S, 0); | |
1407 | roce_set_field(req_b->vf_sccc_idx_num, | |
1408 | VF_RES_B_DATA_4_VF_SCCC_BT_NUM_M, | |
1409 | VF_RES_B_DATA_4_VF_SCCC_BT_NUM_S, | |
1410 | HNS_ROCE_VF_SCCC_BT_NUM); | |
cfc85f3e WHX |
1411 | } |
1412 | } | |
1413 | ||
1414 | return hns_roce_cmq_send(hr_dev, desc, 2); | |
1415 | } | |
1416 | ||
a81fba28 WHX |
1417 | static int hns_roce_v2_set_bt(struct hns_roce_dev *hr_dev) |
1418 | { | |
1419 | u8 srqc_hop_num = hr_dev->caps.srqc_hop_num; | |
1420 | u8 qpc_hop_num = hr_dev->caps.qpc_hop_num; | |
1421 | u8 cqc_hop_num = hr_dev->caps.cqc_hop_num; | |
1422 | u8 mpt_hop_num = hr_dev->caps.mpt_hop_num; | |
6a157f7d | 1423 | u8 sccc_hop_num = hr_dev->caps.sccc_hop_num; |
a81fba28 WHX |
1424 | struct hns_roce_cfg_bt_attr *req; |
1425 | struct hns_roce_cmq_desc desc; | |
1426 | ||
1427 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CFG_BT_ATTR, false); | |
1428 | req = (struct hns_roce_cfg_bt_attr *)desc.data; | |
1429 | memset(req, 0, sizeof(*req)); | |
1430 | ||
1431 | roce_set_field(req->vf_qpc_cfg, CFG_BT_ATTR_DATA_0_VF_QPC_BA_PGSZ_M, | |
1432 | CFG_BT_ATTR_DATA_0_VF_QPC_BA_PGSZ_S, | |
5e6e78db | 1433 | hr_dev->caps.qpc_ba_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1434 | roce_set_field(req->vf_qpc_cfg, CFG_BT_ATTR_DATA_0_VF_QPC_BUF_PGSZ_M, |
1435 | CFG_BT_ATTR_DATA_0_VF_QPC_BUF_PGSZ_S, | |
5e6e78db | 1436 | hr_dev->caps.qpc_buf_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1437 | roce_set_field(req->vf_qpc_cfg, CFG_BT_ATTR_DATA_0_VF_QPC_HOPNUM_M, |
1438 | CFG_BT_ATTR_DATA_0_VF_QPC_HOPNUM_S, | |
1439 | qpc_hop_num == HNS_ROCE_HOP_NUM_0 ? 0 : qpc_hop_num); | |
1440 | ||
1441 | roce_set_field(req->vf_srqc_cfg, CFG_BT_ATTR_DATA_1_VF_SRQC_BA_PGSZ_M, | |
1442 | CFG_BT_ATTR_DATA_1_VF_SRQC_BA_PGSZ_S, | |
5e6e78db | 1443 | hr_dev->caps.srqc_ba_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1444 | roce_set_field(req->vf_srqc_cfg, CFG_BT_ATTR_DATA_1_VF_SRQC_BUF_PGSZ_M, |
1445 | CFG_BT_ATTR_DATA_1_VF_SRQC_BUF_PGSZ_S, | |
5e6e78db | 1446 | hr_dev->caps.srqc_buf_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1447 | roce_set_field(req->vf_srqc_cfg, CFG_BT_ATTR_DATA_1_VF_SRQC_HOPNUM_M, |
1448 | CFG_BT_ATTR_DATA_1_VF_SRQC_HOPNUM_S, | |
1449 | srqc_hop_num == HNS_ROCE_HOP_NUM_0 ? 0 : srqc_hop_num); | |
1450 | ||
1451 | roce_set_field(req->vf_cqc_cfg, CFG_BT_ATTR_DATA_2_VF_CQC_BA_PGSZ_M, | |
1452 | CFG_BT_ATTR_DATA_2_VF_CQC_BA_PGSZ_S, | |
5e6e78db | 1453 | hr_dev->caps.cqc_ba_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1454 | roce_set_field(req->vf_cqc_cfg, CFG_BT_ATTR_DATA_2_VF_CQC_BUF_PGSZ_M, |
1455 | CFG_BT_ATTR_DATA_2_VF_CQC_BUF_PGSZ_S, | |
5e6e78db | 1456 | hr_dev->caps.cqc_buf_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1457 | roce_set_field(req->vf_cqc_cfg, CFG_BT_ATTR_DATA_2_VF_CQC_HOPNUM_M, |
1458 | CFG_BT_ATTR_DATA_2_VF_CQC_HOPNUM_S, | |
1459 | cqc_hop_num == HNS_ROCE_HOP_NUM_0 ? 0 : cqc_hop_num); | |
1460 | ||
1461 | roce_set_field(req->vf_mpt_cfg, CFG_BT_ATTR_DATA_3_VF_MPT_BA_PGSZ_M, | |
1462 | CFG_BT_ATTR_DATA_3_VF_MPT_BA_PGSZ_S, | |
5e6e78db | 1463 | hr_dev->caps.mpt_ba_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1464 | roce_set_field(req->vf_mpt_cfg, CFG_BT_ATTR_DATA_3_VF_MPT_BUF_PGSZ_M, |
1465 | CFG_BT_ATTR_DATA_3_VF_MPT_BUF_PGSZ_S, | |
5e6e78db | 1466 | hr_dev->caps.mpt_buf_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1467 | roce_set_field(req->vf_mpt_cfg, CFG_BT_ATTR_DATA_3_VF_MPT_HOPNUM_M, |
1468 | CFG_BT_ATTR_DATA_3_VF_MPT_HOPNUM_S, | |
1469 | mpt_hop_num == HNS_ROCE_HOP_NUM_0 ? 0 : mpt_hop_num); | |
1470 | ||
6a157f7d YL |
1471 | roce_set_field(req->vf_sccc_cfg, |
1472 | CFG_BT_ATTR_DATA_4_VF_SCCC_BA_PGSZ_M, | |
1473 | CFG_BT_ATTR_DATA_4_VF_SCCC_BA_PGSZ_S, | |
1474 | hr_dev->caps.sccc_ba_pg_sz + PG_SHIFT_OFFSET); | |
1475 | roce_set_field(req->vf_sccc_cfg, | |
1476 | CFG_BT_ATTR_DATA_4_VF_SCCC_BUF_PGSZ_M, | |
1477 | CFG_BT_ATTR_DATA_4_VF_SCCC_BUF_PGSZ_S, | |
1478 | hr_dev->caps.sccc_buf_pg_sz + PG_SHIFT_OFFSET); | |
1479 | roce_set_field(req->vf_sccc_cfg, | |
1480 | CFG_BT_ATTR_DATA_4_VF_SCCC_HOPNUM_M, | |
1481 | CFG_BT_ATTR_DATA_4_VF_SCCC_HOPNUM_S, | |
1482 | sccc_hop_num == | |
1483 | HNS_ROCE_HOP_NUM_0 ? 0 : sccc_hop_num); | |
1484 | ||
a81fba28 WHX |
1485 | return hns_roce_cmq_send(hr_dev, &desc, 1); |
1486 | } | |
1487 | ||
cfc85f3e WHX |
1488 | static int hns_roce_v2_profile(struct hns_roce_dev *hr_dev) |
1489 | { | |
1490 | struct hns_roce_caps *caps = &hr_dev->caps; | |
1491 | int ret; | |
1492 | ||
1493 | ret = hns_roce_cmq_query_hw_info(hr_dev); | |
3a63c964 LO |
1494 | if (ret) { |
1495 | dev_err(hr_dev->dev, "Query hardware version fail, ret = %d.\n", | |
1496 | ret); | |
1497 | return ret; | |
1498 | } | |
1499 | ||
1500 | ret = hns_roce_query_fw_ver(hr_dev); | |
cfc85f3e WHX |
1501 | if (ret) { |
1502 | dev_err(hr_dev->dev, "Query firmware version fail, ret = %d.\n", | |
1503 | ret); | |
1504 | return ret; | |
1505 | } | |
1506 | ||
1507 | ret = hns_roce_config_global_param(hr_dev); | |
1508 | if (ret) { | |
1509 | dev_err(hr_dev->dev, "Configure global param fail, ret = %d.\n", | |
1510 | ret); | |
2349fdd4 | 1511 | return ret; |
cfc85f3e WHX |
1512 | } |
1513 | ||
1514 | /* Get pf resource owned by every pf */ | |
1515 | ret = hns_roce_query_pf_resource(hr_dev); | |
1516 | if (ret) { | |
1517 | dev_err(hr_dev->dev, "Query pf resource fail, ret = %d.\n", | |
1518 | ret); | |
1519 | return ret; | |
1520 | } | |
1521 | ||
0e40dc2f YL |
1522 | if (hr_dev->pci_dev->revision == 0x21) { |
1523 | ret = hns_roce_query_pf_timer_resource(hr_dev); | |
1524 | if (ret) { | |
1525 | dev_err(hr_dev->dev, | |
1526 | "Query pf timer resource fail, ret = %d.\n", | |
1527 | ret); | |
1528 | return ret; | |
1529 | } | |
1530 | } | |
1531 | ||
cfc85f3e WHX |
1532 | ret = hns_roce_alloc_vf_resource(hr_dev); |
1533 | if (ret) { | |
1534 | dev_err(hr_dev->dev, "Allocate vf resource fail, ret = %d.\n", | |
1535 | ret); | |
1536 | return ret; | |
1537 | } | |
1538 | ||
0c1c3880 LO |
1539 | if (hr_dev->pci_dev->revision == 0x21) { |
1540 | ret = hns_roce_set_vf_switch_param(hr_dev, 0); | |
1541 | if (ret) { | |
1542 | dev_err(hr_dev->dev, | |
1543 | "Set function switch param fail, ret = %d.\n", | |
1544 | ret); | |
1545 | return ret; | |
1546 | } | |
1547 | } | |
3a63c964 LO |
1548 | |
1549 | hr_dev->vendor_part_id = hr_dev->pci_dev->device; | |
1550 | hr_dev->sys_image_guid = be64_to_cpu(hr_dev->ib_dev.node_guid); | |
cfc85f3e WHX |
1551 | |
1552 | caps->num_qps = HNS_ROCE_V2_MAX_QP_NUM; | |
1553 | caps->max_wqes = HNS_ROCE_V2_MAX_WQE_NUM; | |
1554 | caps->num_cqs = HNS_ROCE_V2_MAX_CQ_NUM; | |
5c1f167a | 1555 | caps->num_srqs = HNS_ROCE_V2_MAX_SRQ_NUM; |
704e0e61 | 1556 | caps->min_cqes = HNS_ROCE_MIN_CQE_NUM; |
cfc85f3e | 1557 | caps->max_cqes = HNS_ROCE_V2_MAX_CQE_NUM; |
5c1f167a | 1558 | caps->max_srqwqes = HNS_ROCE_V2_MAX_SRQWQE_NUM; |
cfc85f3e | 1559 | caps->max_sq_sg = HNS_ROCE_V2_MAX_SQ_SGE_NUM; |
05ad5482 | 1560 | caps->max_extend_sg = HNS_ROCE_V2_MAX_EXTEND_SGE_NUM; |
cfc85f3e WHX |
1561 | caps->max_rq_sg = HNS_ROCE_V2_MAX_RQ_SGE_NUM; |
1562 | caps->max_sq_inline = HNS_ROCE_V2_MAX_SQ_INLINE; | |
5c1f167a | 1563 | caps->max_srq_sg = HNS_ROCE_V2_MAX_SRQ_SGE_NUM; |
cfc85f3e WHX |
1564 | caps->num_uars = HNS_ROCE_V2_UAR_NUM; |
1565 | caps->phy_num_uars = HNS_ROCE_V2_PHY_UAR_NUM; | |
a5073d60 YL |
1566 | caps->num_aeq_vectors = HNS_ROCE_V2_AEQE_VEC_NUM; |
1567 | caps->num_comp_vectors = HNS_ROCE_V2_COMP_VEC_NUM; | |
1568 | caps->num_other_vectors = HNS_ROCE_V2_ABNORMAL_VEC_NUM; | |
cfc85f3e WHX |
1569 | caps->num_mtpts = HNS_ROCE_V2_MAX_MTPT_NUM; |
1570 | caps->num_mtt_segs = HNS_ROCE_V2_MAX_MTT_SEGS; | |
1571 | caps->num_cqe_segs = HNS_ROCE_V2_MAX_CQE_SEGS; | |
5c1f167a LO |
1572 | caps->num_srqwqe_segs = HNS_ROCE_V2_MAX_SRQWQE_SEGS; |
1573 | caps->num_idx_segs = HNS_ROCE_V2_MAX_IDX_SEGS; | |
cfc85f3e WHX |
1574 | caps->num_pds = HNS_ROCE_V2_MAX_PD_NUM; |
1575 | caps->max_qp_init_rdma = HNS_ROCE_V2_MAX_QP_INIT_RDMA; | |
1576 | caps->max_qp_dest_rdma = HNS_ROCE_V2_MAX_QP_DEST_RDMA; | |
1577 | caps->max_sq_desc_sz = HNS_ROCE_V2_MAX_SQ_DESC_SZ; | |
1578 | caps->max_rq_desc_sz = HNS_ROCE_V2_MAX_RQ_DESC_SZ; | |
1579 | caps->max_srq_desc_sz = HNS_ROCE_V2_MAX_SRQ_DESC_SZ; | |
1580 | caps->qpc_entry_sz = HNS_ROCE_V2_QPC_ENTRY_SZ; | |
1581 | caps->irrl_entry_sz = HNS_ROCE_V2_IRRL_ENTRY_SZ; | |
e92f2c18 | 1582 | caps->trrl_entry_sz = HNS_ROCE_V2_TRRL_ENTRY_SZ; |
cfc85f3e | 1583 | caps->cqc_entry_sz = HNS_ROCE_V2_CQC_ENTRY_SZ; |
5c1f167a | 1584 | caps->srqc_entry_sz = HNS_ROCE_V2_SRQC_ENTRY_SZ; |
cfc85f3e WHX |
1585 | caps->mtpt_entry_sz = HNS_ROCE_V2_MTPT_ENTRY_SZ; |
1586 | caps->mtt_entry_sz = HNS_ROCE_V2_MTT_ENTRY_SZ; | |
5c1f167a | 1587 | caps->idx_entry_sz = 4; |
cfc85f3e WHX |
1588 | caps->cq_entry_sz = HNS_ROCE_V2_CQE_ENTRY_SIZE; |
1589 | caps->page_size_cap = HNS_ROCE_V2_PAGE_SIZE_SUPPORTED; | |
1590 | caps->reserved_lkey = 0; | |
1591 | caps->reserved_pds = 0; | |
1592 | caps->reserved_mrws = 1; | |
1593 | caps->reserved_uars = 0; | |
1594 | caps->reserved_cqs = 0; | |
5c1f167a | 1595 | caps->reserved_srqs = 0; |
06ef0ee4 | 1596 | caps->reserved_qps = HNS_ROCE_V2_RSV_QPS; |
cfc85f3e | 1597 | |
a25d13cb SX |
1598 | caps->qpc_ba_pg_sz = 0; |
1599 | caps->qpc_buf_pg_sz = 0; | |
1600 | caps->qpc_hop_num = HNS_ROCE_CONTEXT_HOP_NUM; | |
1601 | caps->srqc_ba_pg_sz = 0; | |
1602 | caps->srqc_buf_pg_sz = 0; | |
2b277dae | 1603 | caps->srqc_hop_num = HNS_ROCE_CONTEXT_HOP_NUM; |
a25d13cb SX |
1604 | caps->cqc_ba_pg_sz = 0; |
1605 | caps->cqc_buf_pg_sz = 0; | |
1606 | caps->cqc_hop_num = HNS_ROCE_CONTEXT_HOP_NUM; | |
1607 | caps->mpt_ba_pg_sz = 0; | |
1608 | caps->mpt_buf_pg_sz = 0; | |
1609 | caps->mpt_hop_num = HNS_ROCE_CONTEXT_HOP_NUM; | |
91fb4d83 | 1610 | caps->pbl_ba_pg_sz = 2; |
ff795f71 WHX |
1611 | caps->pbl_buf_pg_sz = 0; |
1612 | caps->pbl_hop_num = HNS_ROCE_PBL_HOP_NUM; | |
6a93c77a SX |
1613 | caps->mtt_ba_pg_sz = 0; |
1614 | caps->mtt_buf_pg_sz = 0; | |
1615 | caps->mtt_hop_num = HNS_ROCE_MTT_HOP_NUM; | |
8d18ad83 LO |
1616 | caps->wqe_sq_hop_num = 2; |
1617 | caps->wqe_sge_hop_num = 1; | |
1618 | caps->wqe_rq_hop_num = 2; | |
f5662b4d | 1619 | caps->cqe_ba_pg_sz = 6; |
6a93c77a SX |
1620 | caps->cqe_buf_pg_sz = 0; |
1621 | caps->cqe_hop_num = HNS_ROCE_CQE_HOP_NUM; | |
c7bcb134 LO |
1622 | caps->srqwqe_ba_pg_sz = 0; |
1623 | caps->srqwqe_buf_pg_sz = 0; | |
1624 | caps->srqwqe_hop_num = HNS_ROCE_SRQWQE_HOP_NUM; | |
1625 | caps->idx_ba_pg_sz = 0; | |
1626 | caps->idx_buf_pg_sz = 0; | |
1627 | caps->idx_hop_num = HNS_ROCE_IDX_HOP_NUM; | |
a5073d60 YL |
1628 | caps->eqe_ba_pg_sz = 0; |
1629 | caps->eqe_buf_pg_sz = 0; | |
1630 | caps->eqe_hop_num = HNS_ROCE_EQE_HOP_NUM; | |
6b63597d | 1631 | caps->tsq_buf_pg_sz = 0; |
29a1fe5d | 1632 | caps->chunk_sz = HNS_ROCE_V2_TABLE_CHUNK_SIZE; |
a25d13cb | 1633 | |
023c1477 | 1634 | caps->flags = HNS_ROCE_CAP_FLAG_REREG_MR | |
0009c2db | 1635 | HNS_ROCE_CAP_FLAG_ROCE_V1_V2 | |
e088a685 | 1636 | HNS_ROCE_CAP_FLAG_RQ_INLINE | |
0425e3e6 YL |
1637 | HNS_ROCE_CAP_FLAG_RECORD_DB | |
1638 | HNS_ROCE_CAP_FLAG_SQ_RECORD_DB; | |
c7c28191 YL |
1639 | |
1640 | if (hr_dev->pci_dev->revision == 0x21) | |
68a997c5 YL |
1641 | caps->flags |= HNS_ROCE_CAP_FLAG_MW | |
1642 | HNS_ROCE_CAP_FLAG_FRMR; | |
c7c28191 | 1643 | |
cfc85f3e | 1644 | caps->pkey_table_len[0] = 1; |
b5ff0f61 | 1645 | caps->gid_table_len[0] = HNS_ROCE_V2_GID_INDEX_NUM; |
a5073d60 YL |
1646 | caps->ceqe_depth = HNS_ROCE_V2_COMP_EQE_NUM; |
1647 | caps->aeqe_depth = HNS_ROCE_V2_ASYNC_EQE_NUM; | |
cfc85f3e WHX |
1648 | caps->local_ca_ack_delay = 0; |
1649 | caps->max_mtu = IB_MTU_4096; | |
1650 | ||
d16da119 LO |
1651 | caps->max_srqs = HNS_ROCE_V2_MAX_SRQ; |
1652 | caps->max_srq_wrs = HNS_ROCE_V2_MAX_SRQ_WR; | |
1653 | caps->max_srq_sges = HNS_ROCE_V2_MAX_SRQ_SGE; | |
1654 | ||
6a157f7d | 1655 | if (hr_dev->pci_dev->revision == 0x21) { |
d16da119 | 1656 | caps->flags |= HNS_ROCE_CAP_FLAG_ATOMIC | |
aa84fa18 YL |
1657 | HNS_ROCE_CAP_FLAG_SRQ | |
1658 | HNS_ROCE_CAP_FLAG_QP_FLOW_CTRL; | |
1659 | ||
0e40dc2f YL |
1660 | caps->num_qpc_timer = HNS_ROCE_V2_MAX_QPC_TIMER_NUM; |
1661 | caps->qpc_timer_entry_sz = HNS_ROCE_V2_QPC_TIMER_ENTRY_SZ; | |
1662 | caps->qpc_timer_ba_pg_sz = 0; | |
1663 | caps->qpc_timer_buf_pg_sz = 0; | |
1664 | caps->qpc_timer_hop_num = HNS_ROCE_HOP_NUM_0; | |
1665 | caps->num_cqc_timer = HNS_ROCE_V2_MAX_CQC_TIMER_NUM; | |
1666 | caps->cqc_timer_entry_sz = HNS_ROCE_V2_CQC_TIMER_ENTRY_SZ; | |
1667 | caps->cqc_timer_ba_pg_sz = 0; | |
1668 | caps->cqc_timer_buf_pg_sz = 0; | |
1669 | caps->cqc_timer_hop_num = HNS_ROCE_HOP_NUM_0; | |
1670 | ||
6a157f7d YL |
1671 | caps->sccc_entry_sz = HNS_ROCE_V2_SCCC_ENTRY_SZ; |
1672 | caps->sccc_ba_pg_sz = 0; | |
1673 | caps->sccc_buf_pg_sz = 0; | |
1674 | caps->sccc_hop_num = HNS_ROCE_SCCC_HOP_NUM; | |
1675 | } | |
384f8818 | 1676 | |
a81fba28 WHX |
1677 | ret = hns_roce_v2_set_bt(hr_dev); |
1678 | if (ret) | |
1679 | dev_err(hr_dev->dev, "Configure bt attribute fail, ret = %d.\n", | |
1680 | ret); | |
1681 | ||
1682 | return ret; | |
cfc85f3e WHX |
1683 | } |
1684 | ||
6b63597d | 1685 | static int hns_roce_config_link_table(struct hns_roce_dev *hr_dev, |
1686 | enum hns_roce_link_table_type type) | |
1687 | { | |
1688 | struct hns_roce_cmq_desc desc[2]; | |
1689 | struct hns_roce_cfg_llm_a *req_a = | |
1690 | (struct hns_roce_cfg_llm_a *)desc[0].data; | |
1691 | struct hns_roce_cfg_llm_b *req_b = | |
1692 | (struct hns_roce_cfg_llm_b *)desc[1].data; | |
1693 | struct hns_roce_v2_priv *priv = hr_dev->priv; | |
1694 | struct hns_roce_link_table *link_tbl; | |
1695 | struct hns_roce_link_table_entry *entry; | |
1696 | enum hns_roce_opcode_type opcode; | |
1697 | u32 page_num; | |
1698 | int i; | |
1699 | ||
1700 | switch (type) { | |
1701 | case TSQ_LINK_TABLE: | |
1702 | link_tbl = &priv->tsq; | |
1703 | opcode = HNS_ROCE_OPC_CFG_EXT_LLM; | |
1704 | break; | |
ded58ff9 | 1705 | case TPQ_LINK_TABLE: |
1706 | link_tbl = &priv->tpq; | |
1707 | opcode = HNS_ROCE_OPC_CFG_TMOUT_LLM; | |
1708 | break; | |
6b63597d | 1709 | default: |
1710 | return -EINVAL; | |
1711 | } | |
1712 | ||
1713 | page_num = link_tbl->npages; | |
1714 | entry = link_tbl->table.buf; | |
1715 | memset(req_a, 0, sizeof(*req_a)); | |
1716 | memset(req_b, 0, sizeof(*req_b)); | |
1717 | ||
1718 | for (i = 0; i < 2; i++) { | |
1719 | hns_roce_cmq_setup_basic_desc(&desc[i], opcode, false); | |
1720 | ||
1721 | if (i == 0) | |
1722 | desc[i].flag |= cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
1723 | else | |
1724 | desc[i].flag &= ~cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
1725 | ||
1726 | if (i == 0) { | |
1727 | req_a->base_addr_l = link_tbl->table.map & 0xffffffff; | |
1728 | req_a->base_addr_h = (link_tbl->table.map >> 32) & | |
1729 | 0xffffffff; | |
1730 | roce_set_field(req_a->depth_pgsz_init_en, | |
1731 | CFG_LLM_QUE_DEPTH_M, | |
1732 | CFG_LLM_QUE_DEPTH_S, | |
1733 | link_tbl->npages); | |
1734 | roce_set_field(req_a->depth_pgsz_init_en, | |
1735 | CFG_LLM_QUE_PGSZ_M, | |
1736 | CFG_LLM_QUE_PGSZ_S, | |
1737 | link_tbl->pg_sz); | |
1738 | req_a->head_ba_l = entry[0].blk_ba0; | |
1739 | req_a->head_ba_h_nxtptr = entry[0].blk_ba1_nxt_ptr; | |
1740 | roce_set_field(req_a->head_ptr, | |
1741 | CFG_LLM_HEAD_PTR_M, | |
1742 | CFG_LLM_HEAD_PTR_S, 0); | |
1743 | } else { | |
1744 | req_b->tail_ba_l = entry[page_num - 1].blk_ba0; | |
1745 | roce_set_field(req_b->tail_ba_h, | |
1746 | CFG_LLM_TAIL_BA_H_M, | |
1747 | CFG_LLM_TAIL_BA_H_S, | |
1748 | entry[page_num - 1].blk_ba1_nxt_ptr & | |
1749 | HNS_ROCE_LINK_TABLE_BA1_M); | |
1750 | roce_set_field(req_b->tail_ptr, | |
1751 | CFG_LLM_TAIL_PTR_M, | |
1752 | CFG_LLM_TAIL_PTR_S, | |
1753 | (entry[page_num - 2].blk_ba1_nxt_ptr & | |
1754 | HNS_ROCE_LINK_TABLE_NXT_PTR_M) >> | |
1755 | HNS_ROCE_LINK_TABLE_NXT_PTR_S); | |
1756 | } | |
1757 | } | |
1758 | roce_set_field(req_a->depth_pgsz_init_en, | |
1759 | CFG_LLM_INIT_EN_M, CFG_LLM_INIT_EN_S, 1); | |
1760 | ||
1761 | return hns_roce_cmq_send(hr_dev, desc, 2); | |
1762 | } | |
1763 | ||
1764 | static int hns_roce_init_link_table(struct hns_roce_dev *hr_dev, | |
1765 | enum hns_roce_link_table_type type) | |
1766 | { | |
1767 | struct hns_roce_v2_priv *priv = hr_dev->priv; | |
1768 | struct hns_roce_link_table *link_tbl; | |
1769 | struct hns_roce_link_table_entry *entry; | |
1770 | struct device *dev = hr_dev->dev; | |
1771 | u32 buf_chk_sz; | |
1772 | dma_addr_t t; | |
ded58ff9 | 1773 | int func_num = 1; |
6b63597d | 1774 | int pg_num_a; |
1775 | int pg_num_b; | |
1776 | int pg_num; | |
1777 | int size; | |
1778 | int i; | |
1779 | ||
1780 | switch (type) { | |
1781 | case TSQ_LINK_TABLE: | |
1782 | link_tbl = &priv->tsq; | |
1783 | buf_chk_sz = 1 << (hr_dev->caps.tsq_buf_pg_sz + PAGE_SHIFT); | |
1784 | pg_num_a = hr_dev->caps.num_qps * 8 / buf_chk_sz; | |
1785 | pg_num_b = hr_dev->caps.sl_num * 4 + 2; | |
1786 | break; | |
ded58ff9 | 1787 | case TPQ_LINK_TABLE: |
1788 | link_tbl = &priv->tpq; | |
1789 | buf_chk_sz = 1 << (hr_dev->caps.tpq_buf_pg_sz + PAGE_SHIFT); | |
1790 | pg_num_a = hr_dev->caps.num_cqs * 4 / buf_chk_sz; | |
1791 | pg_num_b = 2 * 4 * func_num + 2; | |
1792 | break; | |
6b63597d | 1793 | default: |
1794 | return -EINVAL; | |
1795 | } | |
1796 | ||
1797 | pg_num = max(pg_num_a, pg_num_b); | |
1798 | size = pg_num * sizeof(struct hns_roce_link_table_entry); | |
1799 | ||
1800 | link_tbl->table.buf = dma_alloc_coherent(dev, size, | |
1801 | &link_tbl->table.map, | |
1802 | GFP_KERNEL); | |
1803 | if (!link_tbl->table.buf) | |
1804 | goto out; | |
1805 | ||
1806 | link_tbl->pg_list = kcalloc(pg_num, sizeof(*link_tbl->pg_list), | |
1807 | GFP_KERNEL); | |
1808 | if (!link_tbl->pg_list) | |
1809 | goto err_kcalloc_failed; | |
1810 | ||
1811 | entry = link_tbl->table.buf; | |
1812 | for (i = 0; i < pg_num; ++i) { | |
1813 | link_tbl->pg_list[i].buf = dma_alloc_coherent(dev, buf_chk_sz, | |
1814 | &t, GFP_KERNEL); | |
1815 | if (!link_tbl->pg_list[i].buf) | |
1816 | goto err_alloc_buf_failed; | |
1817 | ||
1818 | link_tbl->pg_list[i].map = t; | |
6b63597d | 1819 | |
1820 | entry[i].blk_ba0 = (t >> 12) & 0xffffffff; | |
1821 | roce_set_field(entry[i].blk_ba1_nxt_ptr, | |
1822 | HNS_ROCE_LINK_TABLE_BA1_M, | |
1823 | HNS_ROCE_LINK_TABLE_BA1_S, | |
1824 | t >> 44); | |
1825 | ||
1826 | if (i < (pg_num - 1)) | |
1827 | roce_set_field(entry[i].blk_ba1_nxt_ptr, | |
1828 | HNS_ROCE_LINK_TABLE_NXT_PTR_M, | |
1829 | HNS_ROCE_LINK_TABLE_NXT_PTR_S, | |
1830 | i + 1); | |
1831 | } | |
1832 | link_tbl->npages = pg_num; | |
1833 | link_tbl->pg_sz = buf_chk_sz; | |
1834 | ||
1835 | return hns_roce_config_link_table(hr_dev, type); | |
1836 | ||
1837 | err_alloc_buf_failed: | |
1838 | for (i -= 1; i >= 0; i--) | |
1839 | dma_free_coherent(dev, buf_chk_sz, | |
1840 | link_tbl->pg_list[i].buf, | |
1841 | link_tbl->pg_list[i].map); | |
1842 | kfree(link_tbl->pg_list); | |
1843 | ||
1844 | err_kcalloc_failed: | |
1845 | dma_free_coherent(dev, size, link_tbl->table.buf, | |
1846 | link_tbl->table.map); | |
1847 | ||
1848 | out: | |
1849 | return -ENOMEM; | |
1850 | } | |
1851 | ||
1852 | static void hns_roce_free_link_table(struct hns_roce_dev *hr_dev, | |
1853 | struct hns_roce_link_table *link_tbl) | |
1854 | { | |
1855 | struct device *dev = hr_dev->dev; | |
1856 | int size; | |
1857 | int i; | |
1858 | ||
1859 | size = link_tbl->npages * sizeof(struct hns_roce_link_table_entry); | |
1860 | ||
1861 | for (i = 0; i < link_tbl->npages; ++i) | |
1862 | if (link_tbl->pg_list[i].buf) | |
1863 | dma_free_coherent(dev, link_tbl->pg_sz, | |
1864 | link_tbl->pg_list[i].buf, | |
1865 | link_tbl->pg_list[i].map); | |
1866 | kfree(link_tbl->pg_list); | |
1867 | ||
1868 | dma_free_coherent(dev, size, link_tbl->table.buf, | |
1869 | link_tbl->table.map); | |
1870 | } | |
1871 | ||
1872 | static int hns_roce_v2_init(struct hns_roce_dev *hr_dev) | |
1873 | { | |
ded58ff9 | 1874 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
0e40dc2f YL |
1875 | int qpc_count, cqc_count; |
1876 | int ret, i; | |
6b63597d | 1877 | |
1878 | /* TSQ includes SQ doorbell and ack doorbell */ | |
1879 | ret = hns_roce_init_link_table(hr_dev, TSQ_LINK_TABLE); | |
ded58ff9 | 1880 | if (ret) { |
6b63597d | 1881 | dev_err(hr_dev->dev, "TSQ init failed, ret = %d.\n", ret); |
ded58ff9 | 1882 | return ret; |
1883 | } | |
1884 | ||
1885 | ret = hns_roce_init_link_table(hr_dev, TPQ_LINK_TABLE); | |
1886 | if (ret) { | |
1887 | dev_err(hr_dev->dev, "TPQ init failed, ret = %d.\n", ret); | |
1888 | goto err_tpq_init_failed; | |
1889 | } | |
1890 | ||
0e40dc2f YL |
1891 | /* Alloc memory for QPC Timer buffer space chunk*/ |
1892 | for (qpc_count = 0; qpc_count < hr_dev->caps.qpc_timer_bt_num; | |
1893 | qpc_count++) { | |
1894 | ret = hns_roce_table_get(hr_dev, &hr_dev->qpc_timer_table, | |
1895 | qpc_count); | |
1896 | if (ret) { | |
1897 | dev_err(hr_dev->dev, "QPC Timer get failed\n"); | |
1898 | goto err_qpc_timer_failed; | |
1899 | } | |
1900 | } | |
1901 | ||
1902 | /* Alloc memory for CQC Timer buffer space chunk*/ | |
1903 | for (cqc_count = 0; cqc_count < hr_dev->caps.cqc_timer_bt_num; | |
1904 | cqc_count++) { | |
1905 | ret = hns_roce_table_get(hr_dev, &hr_dev->cqc_timer_table, | |
1906 | cqc_count); | |
1907 | if (ret) { | |
1908 | dev_err(hr_dev->dev, "CQC Timer get failed\n"); | |
1909 | goto err_cqc_timer_failed; | |
1910 | } | |
1911 | } | |
1912 | ||
ded58ff9 | 1913 | return 0; |
1914 | ||
0e40dc2f YL |
1915 | err_cqc_timer_failed: |
1916 | for (i = 0; i < cqc_count; i++) | |
1917 | hns_roce_table_put(hr_dev, &hr_dev->cqc_timer_table, i); | |
1918 | ||
1919 | err_qpc_timer_failed: | |
1920 | for (i = 0; i < qpc_count; i++) | |
1921 | hns_roce_table_put(hr_dev, &hr_dev->qpc_timer_table, i); | |
1922 | ||
1923 | hns_roce_free_link_table(hr_dev, &priv->tpq); | |
1924 | ||
ded58ff9 | 1925 | err_tpq_init_failed: |
1926 | hns_roce_free_link_table(hr_dev, &priv->tsq); | |
6b63597d | 1927 | |
1928 | return ret; | |
1929 | } | |
1930 | ||
1931 | static void hns_roce_v2_exit(struct hns_roce_dev *hr_dev) | |
1932 | { | |
1933 | struct hns_roce_v2_priv *priv = hr_dev->priv; | |
1934 | ||
89a6da3c LC |
1935 | if (hr_dev->pci_dev->revision == 0x21) |
1936 | hns_roce_function_clear(hr_dev); | |
1937 | ||
ded58ff9 | 1938 | hns_roce_free_link_table(hr_dev, &priv->tpq); |
6b63597d | 1939 | hns_roce_free_link_table(hr_dev, &priv->tsq); |
1940 | } | |
1941 | ||
f747b689 LO |
1942 | static int hns_roce_query_mbox_status(struct hns_roce_dev *hr_dev) |
1943 | { | |
1944 | struct hns_roce_cmq_desc desc; | |
1945 | struct hns_roce_mbox_status *mb_st = | |
1946 | (struct hns_roce_mbox_status *)desc.data; | |
1947 | enum hns_roce_cmd_return_status status; | |
1948 | ||
1949 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_QUERY_MB_ST, true); | |
1950 | ||
1951 | status = hns_roce_cmq_send(hr_dev, &desc, 1); | |
1952 | if (status) | |
1953 | return status; | |
1954 | ||
1955 | return cpu_to_le32(mb_st->mb_status_hw_run); | |
1956 | } | |
1957 | ||
a680f2f3 WHX |
1958 | static int hns_roce_v2_cmd_pending(struct hns_roce_dev *hr_dev) |
1959 | { | |
f747b689 | 1960 | u32 status = hns_roce_query_mbox_status(hr_dev); |
a680f2f3 WHX |
1961 | |
1962 | return status >> HNS_ROCE_HW_RUN_BIT_SHIFT; | |
1963 | } | |
1964 | ||
1965 | static int hns_roce_v2_cmd_complete(struct hns_roce_dev *hr_dev) | |
1966 | { | |
f747b689 | 1967 | u32 status = hns_roce_query_mbox_status(hr_dev); |
a680f2f3 WHX |
1968 | |
1969 | return status & HNS_ROCE_HW_MB_STATUS_MASK; | |
1970 | } | |
1971 | ||
f747b689 LO |
1972 | static int hns_roce_mbox_post(struct hns_roce_dev *hr_dev, u64 in_param, |
1973 | u64 out_param, u32 in_modifier, u8 op_modifier, | |
1974 | u16 op, u16 token, int event) | |
1975 | { | |
1976 | struct hns_roce_cmq_desc desc; | |
1977 | struct hns_roce_post_mbox *mb = (struct hns_roce_post_mbox *)desc.data; | |
1978 | ||
1979 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_POST_MB, false); | |
1980 | ||
1981 | mb->in_param_l = cpu_to_le64(in_param); | |
1982 | mb->in_param_h = cpu_to_le64(in_param) >> 32; | |
1983 | mb->out_param_l = cpu_to_le64(out_param); | |
1984 | mb->out_param_h = cpu_to_le64(out_param) >> 32; | |
1985 | mb->cmd_tag = cpu_to_le32(in_modifier << 8 | op); | |
1986 | mb->token_event_en = cpu_to_le32(event << 16 | token); | |
1987 | ||
1988 | return hns_roce_cmq_send(hr_dev, &desc, 1); | |
1989 | } | |
1990 | ||
a680f2f3 WHX |
1991 | static int hns_roce_v2_post_mbox(struct hns_roce_dev *hr_dev, u64 in_param, |
1992 | u64 out_param, u32 in_modifier, u8 op_modifier, | |
1993 | u16 op, u16 token, int event) | |
1994 | { | |
1995 | struct device *dev = hr_dev->dev; | |
a680f2f3 | 1996 | unsigned long end; |
f747b689 | 1997 | int ret; |
a680f2f3 WHX |
1998 | |
1999 | end = msecs_to_jiffies(HNS_ROCE_V2_GO_BIT_TIMEOUT_MSECS) + jiffies; | |
2000 | while (hns_roce_v2_cmd_pending(hr_dev)) { | |
2001 | if (time_after(jiffies, end)) { | |
2002 | dev_dbg(dev, "jiffies=%d end=%d\n", (int)jiffies, | |
2003 | (int)end); | |
2004 | return -EAGAIN; | |
2005 | } | |
2006 | cond_resched(); | |
2007 | } | |
2008 | ||
f747b689 LO |
2009 | ret = hns_roce_mbox_post(hr_dev, in_param, out_param, in_modifier, |
2010 | op_modifier, op, token, event); | |
2011 | if (ret) | |
2012 | dev_err(dev, "Post mailbox fail(%d)\n", ret); | |
a680f2f3 | 2013 | |
f747b689 | 2014 | return ret; |
a680f2f3 WHX |
2015 | } |
2016 | ||
2017 | static int hns_roce_v2_chk_mbox(struct hns_roce_dev *hr_dev, | |
2018 | unsigned long timeout) | |
2019 | { | |
2020 | struct device *dev = hr_dev->dev; | |
2021 | unsigned long end = 0; | |
2022 | u32 status; | |
2023 | ||
2024 | end = msecs_to_jiffies(timeout) + jiffies; | |
2025 | while (hns_roce_v2_cmd_pending(hr_dev) && time_before(jiffies, end)) | |
2026 | cond_resched(); | |
2027 | ||
2028 | if (hns_roce_v2_cmd_pending(hr_dev)) { | |
2029 | dev_err(dev, "[cmd_poll]hw run cmd TIMEDOUT!\n"); | |
2030 | return -ETIMEDOUT; | |
2031 | } | |
2032 | ||
2033 | status = hns_roce_v2_cmd_complete(hr_dev); | |
2034 | if (status != 0x1) { | |
6a04aed6 WHX |
2035 | if (status == CMD_RST_PRC_EBUSY) |
2036 | return status; | |
2037 | ||
a680f2f3 WHX |
2038 | dev_err(dev, "mailbox status 0x%x!\n", status); |
2039 | return -EBUSY; | |
2040 | } | |
2041 | ||
2042 | return 0; | |
2043 | } | |
2044 | ||
4db134a3 | 2045 | static int hns_roce_config_sgid_table(struct hns_roce_dev *hr_dev, |
2046 | int gid_index, const union ib_gid *gid, | |
2047 | enum hns_roce_sgid_type sgid_type) | |
2048 | { | |
2049 | struct hns_roce_cmq_desc desc; | |
2050 | struct hns_roce_cfg_sgid_tb *sgid_tb = | |
2051 | (struct hns_roce_cfg_sgid_tb *)desc.data; | |
2052 | u32 *p; | |
2053 | ||
2054 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CFG_SGID_TB, false); | |
2055 | ||
2056 | roce_set_field(sgid_tb->table_idx_rsv, | |
2057 | CFG_SGID_TB_TABLE_IDX_M, | |
2058 | CFG_SGID_TB_TABLE_IDX_S, gid_index); | |
2059 | roce_set_field(sgid_tb->vf_sgid_type_rsv, | |
2060 | CFG_SGID_TB_VF_SGID_TYPE_M, | |
2061 | CFG_SGID_TB_VF_SGID_TYPE_S, sgid_type); | |
2062 | ||
2063 | p = (u32 *)&gid->raw[0]; | |
2064 | sgid_tb->vf_sgid_l = cpu_to_le32(*p); | |
2065 | ||
2066 | p = (u32 *)&gid->raw[4]; | |
2067 | sgid_tb->vf_sgid_ml = cpu_to_le32(*p); | |
2068 | ||
2069 | p = (u32 *)&gid->raw[8]; | |
2070 | sgid_tb->vf_sgid_mh = cpu_to_le32(*p); | |
2071 | ||
2072 | p = (u32 *)&gid->raw[0xc]; | |
2073 | sgid_tb->vf_sgid_h = cpu_to_le32(*p); | |
2074 | ||
2075 | return hns_roce_cmq_send(hr_dev, &desc, 1); | |
2076 | } | |
2077 | ||
b5ff0f61 | 2078 | static int hns_roce_v2_set_gid(struct hns_roce_dev *hr_dev, u8 port, |
f4df9a7c | 2079 | int gid_index, const union ib_gid *gid, |
b5ff0f61 | 2080 | const struct ib_gid_attr *attr) |
7afddafa | 2081 | { |
b5ff0f61 | 2082 | enum hns_roce_sgid_type sgid_type = GID_TYPE_FLAG_ROCE_V1; |
4db134a3 | 2083 | int ret; |
7afddafa | 2084 | |
b5ff0f61 WHX |
2085 | if (!gid || !attr) |
2086 | return -EINVAL; | |
2087 | ||
2088 | if (attr->gid_type == IB_GID_TYPE_ROCE) | |
2089 | sgid_type = GID_TYPE_FLAG_ROCE_V1; | |
2090 | ||
2091 | if (attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) { | |
2092 | if (ipv6_addr_v4mapped((void *)gid)) | |
2093 | sgid_type = GID_TYPE_FLAG_ROCE_V2_IPV4; | |
2094 | else | |
2095 | sgid_type = GID_TYPE_FLAG_ROCE_V2_IPV6; | |
2096 | } | |
2097 | ||
4db134a3 | 2098 | ret = hns_roce_config_sgid_table(hr_dev, gid_index, gid, sgid_type); |
2099 | if (ret) | |
2100 | dev_err(hr_dev->dev, "Configure sgid table failed(%d)!\n", ret); | |
b5ff0f61 | 2101 | |
4db134a3 | 2102 | return ret; |
7afddafa WHX |
2103 | } |
2104 | ||
a74dc41d WHX |
2105 | static int hns_roce_v2_set_mac(struct hns_roce_dev *hr_dev, u8 phy_port, |
2106 | u8 *addr) | |
7afddafa | 2107 | { |
e8e8b652 | 2108 | struct hns_roce_cmq_desc desc; |
2109 | struct hns_roce_cfg_smac_tb *smac_tb = | |
2110 | (struct hns_roce_cfg_smac_tb *)desc.data; | |
7afddafa WHX |
2111 | u16 reg_smac_h; |
2112 | u32 reg_smac_l; | |
e8e8b652 | 2113 | |
2114 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CFG_SMAC_TB, false); | |
7afddafa WHX |
2115 | |
2116 | reg_smac_l = *(u32 *)(&addr[0]); | |
e8e8b652 | 2117 | reg_smac_h = *(u16 *)(&addr[4]); |
7afddafa | 2118 | |
e8e8b652 | 2119 | memset(smac_tb, 0, sizeof(*smac_tb)); |
2120 | roce_set_field(smac_tb->tb_idx_rsv, | |
2121 | CFG_SMAC_TB_IDX_M, | |
2122 | CFG_SMAC_TB_IDX_S, phy_port); | |
2123 | roce_set_field(smac_tb->vf_smac_h_rsv, | |
2124 | CFG_SMAC_TB_VF_SMAC_H_M, | |
2125 | CFG_SMAC_TB_VF_SMAC_H_S, reg_smac_h); | |
2126 | smac_tb->vf_smac_l = reg_smac_l; | |
a74dc41d | 2127 | |
e8e8b652 | 2128 | return hns_roce_cmq_send(hr_dev, &desc, 1); |
7afddafa WHX |
2129 | } |
2130 | ||
ca088320 YL |
2131 | static int set_mtpt_pbl(struct hns_roce_v2_mpt_entry *mpt_entry, |
2132 | struct hns_roce_mr *mr) | |
3958cc56 | 2133 | { |
3856ec55 | 2134 | struct sg_dma_page_iter sg_iter; |
db270c41 | 2135 | u64 page_addr; |
3958cc56 | 2136 | u64 *pages; |
3856ec55 | 2137 | int i; |
3958cc56 | 2138 | |
ca088320 YL |
2139 | mpt_entry->pbl_size = cpu_to_le32(mr->pbl_size); |
2140 | mpt_entry->pbl_ba_l = cpu_to_le32(lower_32_bits(mr->pbl_ba >> 3)); | |
2141 | roce_set_field(mpt_entry->byte_48_mode_ba, | |
2142 | V2_MPT_BYTE_48_PBL_BA_H_M, V2_MPT_BYTE_48_PBL_BA_H_S, | |
2143 | upper_32_bits(mr->pbl_ba >> 3)); | |
2144 | ||
2145 | pages = (u64 *)__get_free_page(GFP_KERNEL); | |
2146 | if (!pages) | |
2147 | return -ENOMEM; | |
2148 | ||
2149 | i = 0; | |
3856ec55 SS |
2150 | for_each_sg_dma_page(mr->umem->sg_head.sgl, &sg_iter, mr->umem->nmap, 0) { |
2151 | page_addr = sg_page_iter_dma_address(&sg_iter); | |
2152 | pages[i] = page_addr >> 6; | |
2153 | ||
2154 | /* Record the first 2 entry directly to MTPT table */ | |
2155 | if (i >= HNS_ROCE_V2_MAX_INNER_MTPT_NUM - 1) | |
2156 | goto found; | |
2157 | i++; | |
ca088320 YL |
2158 | } |
2159 | found: | |
2160 | mpt_entry->pa0_l = cpu_to_le32(lower_32_bits(pages[0])); | |
2161 | roce_set_field(mpt_entry->byte_56_pa0_h, V2_MPT_BYTE_56_PA0_H_M, | |
2162 | V2_MPT_BYTE_56_PA0_H_S, upper_32_bits(pages[0])); | |
2163 | ||
2164 | mpt_entry->pa1_l = cpu_to_le32(lower_32_bits(pages[1])); | |
2165 | roce_set_field(mpt_entry->byte_64_buf_pa1, V2_MPT_BYTE_64_PA1_H_M, | |
2166 | V2_MPT_BYTE_64_PA1_H_S, upper_32_bits(pages[1])); | |
2167 | roce_set_field(mpt_entry->byte_64_buf_pa1, | |
2168 | V2_MPT_BYTE_64_PBL_BUF_PG_SZ_M, | |
2169 | V2_MPT_BYTE_64_PBL_BUF_PG_SZ_S, | |
2170 | mr->pbl_buf_pg_sz + PG_SHIFT_OFFSET); | |
2171 | ||
2172 | free_page((unsigned long)pages); | |
2173 | ||
2174 | return 0; | |
2175 | } | |
2176 | ||
2177 | static int hns_roce_v2_write_mtpt(void *mb_buf, struct hns_roce_mr *mr, | |
2178 | unsigned long mtpt_idx) | |
2179 | { | |
2180 | struct hns_roce_v2_mpt_entry *mpt_entry; | |
2181 | int ret; | |
2182 | ||
3958cc56 WHX |
2183 | mpt_entry = mb_buf; |
2184 | memset(mpt_entry, 0, sizeof(*mpt_entry)); | |
2185 | ||
2186 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_MPT_ST_M, | |
2187 | V2_MPT_BYTE_4_MPT_ST_S, V2_MPT_ST_VALID); | |
2188 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_PBL_HOP_NUM_M, | |
2189 | V2_MPT_BYTE_4_PBL_HOP_NUM_S, mr->pbl_hop_num == | |
2190 | HNS_ROCE_HOP_NUM_0 ? 0 : mr->pbl_hop_num); | |
2191 | roce_set_field(mpt_entry->byte_4_pd_hop_st, | |
2192 | V2_MPT_BYTE_4_PBL_BA_PG_SZ_M, | |
5e6e78db YL |
2193 | V2_MPT_BYTE_4_PBL_BA_PG_SZ_S, |
2194 | mr->pbl_ba_pg_sz + PG_SHIFT_OFFSET); | |
3958cc56 WHX |
2195 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_PD_M, |
2196 | V2_MPT_BYTE_4_PD_S, mr->pd); | |
3958cc56 WHX |
2197 | |
2198 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_RA_EN_S, 0); | |
82342e49 | 2199 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_R_INV_EN_S, 0); |
e93df010 | 2200 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_L_INV_EN_S, 1); |
3958cc56 WHX |
2201 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_BIND_EN_S, |
2202 | (mr->access & IB_ACCESS_MW_BIND ? 1 : 0)); | |
384f8818 LO |
2203 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_ATOMIC_EN_S, |
2204 | mr->access & IB_ACCESS_REMOTE_ATOMIC ? 1 : 0); | |
3958cc56 WHX |
2205 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_RR_EN_S, |
2206 | (mr->access & IB_ACCESS_REMOTE_READ ? 1 : 0)); | |
2207 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_RW_EN_S, | |
2208 | (mr->access & IB_ACCESS_REMOTE_WRITE ? 1 : 0)); | |
2209 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_LW_EN_S, | |
2210 | (mr->access & IB_ACCESS_LOCAL_WRITE ? 1 : 0)); | |
3958cc56 WHX |
2211 | |
2212 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_PA_S, | |
2213 | mr->type == MR_TYPE_MR ? 0 : 1); | |
85e0274d | 2214 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_INNER_PA_VLD_S, |
2215 | 1); | |
3958cc56 WHX |
2216 | |
2217 | mpt_entry->len_l = cpu_to_le32(lower_32_bits(mr->size)); | |
2218 | mpt_entry->len_h = cpu_to_le32(upper_32_bits(mr->size)); | |
2219 | mpt_entry->lkey = cpu_to_le32(mr->key); | |
2220 | mpt_entry->va_l = cpu_to_le32(lower_32_bits(mr->iova)); | |
2221 | mpt_entry->va_h = cpu_to_le32(upper_32_bits(mr->iova)); | |
2222 | ||
2223 | if (mr->type == MR_TYPE_DMA) | |
2224 | return 0; | |
2225 | ||
ca088320 | 2226 | ret = set_mtpt_pbl(mpt_entry, mr); |
3958cc56 | 2227 | |
ca088320 | 2228 | return ret; |
3958cc56 WHX |
2229 | } |
2230 | ||
a2c80b7b WHX |
2231 | static int hns_roce_v2_rereg_write_mtpt(struct hns_roce_dev *hr_dev, |
2232 | struct hns_roce_mr *mr, int flags, | |
2233 | u32 pdn, int mr_access_flags, u64 iova, | |
2234 | u64 size, void *mb_buf) | |
2235 | { | |
2236 | struct hns_roce_v2_mpt_entry *mpt_entry = mb_buf; | |
ca088320 | 2237 | int ret = 0; |
a2c80b7b | 2238 | |
ab22bf05 YL |
2239 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_MPT_ST_M, |
2240 | V2_MPT_BYTE_4_MPT_ST_S, V2_MPT_ST_VALID); | |
2241 | ||
a2c80b7b WHX |
2242 | if (flags & IB_MR_REREG_PD) { |
2243 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_PD_M, | |
2244 | V2_MPT_BYTE_4_PD_S, pdn); | |
2245 | mr->pd = pdn; | |
2246 | } | |
2247 | ||
2248 | if (flags & IB_MR_REREG_ACCESS) { | |
2249 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, | |
2250 | V2_MPT_BYTE_8_BIND_EN_S, | |
2251 | (mr_access_flags & IB_ACCESS_MW_BIND ? 1 : 0)); | |
2252 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, | |
ca088320 YL |
2253 | V2_MPT_BYTE_8_ATOMIC_EN_S, |
2254 | mr_access_flags & IB_ACCESS_REMOTE_ATOMIC ? 1 : 0); | |
a2c80b7b | 2255 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_RR_EN_S, |
ca088320 | 2256 | mr_access_flags & IB_ACCESS_REMOTE_READ ? 1 : 0); |
a2c80b7b | 2257 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_RW_EN_S, |
ca088320 | 2258 | mr_access_flags & IB_ACCESS_REMOTE_WRITE ? 1 : 0); |
a2c80b7b | 2259 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_LW_EN_S, |
ca088320 | 2260 | mr_access_flags & IB_ACCESS_LOCAL_WRITE ? 1 : 0); |
a2c80b7b WHX |
2261 | } |
2262 | ||
2263 | if (flags & IB_MR_REREG_TRANS) { | |
2264 | mpt_entry->va_l = cpu_to_le32(lower_32_bits(iova)); | |
2265 | mpt_entry->va_h = cpu_to_le32(upper_32_bits(iova)); | |
2266 | mpt_entry->len_l = cpu_to_le32(lower_32_bits(size)); | |
2267 | mpt_entry->len_h = cpu_to_le32(upper_32_bits(size)); | |
2268 | ||
a2c80b7b WHX |
2269 | mr->iova = iova; |
2270 | mr->size = size; | |
ca088320 YL |
2271 | |
2272 | ret = set_mtpt_pbl(mpt_entry, mr); | |
a2c80b7b WHX |
2273 | } |
2274 | ||
ca088320 | 2275 | return ret; |
a2c80b7b WHX |
2276 | } |
2277 | ||
68a997c5 YL |
2278 | static int hns_roce_v2_frmr_write_mtpt(void *mb_buf, struct hns_roce_mr *mr) |
2279 | { | |
2280 | struct hns_roce_v2_mpt_entry *mpt_entry; | |
2281 | ||
2282 | mpt_entry = mb_buf; | |
2283 | memset(mpt_entry, 0, sizeof(*mpt_entry)); | |
2284 | ||
2285 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_MPT_ST_M, | |
2286 | V2_MPT_BYTE_4_MPT_ST_S, V2_MPT_ST_FREE); | |
2287 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_PBL_HOP_NUM_M, | |
2288 | V2_MPT_BYTE_4_PBL_HOP_NUM_S, 1); | |
2289 | roce_set_field(mpt_entry->byte_4_pd_hop_st, | |
2290 | V2_MPT_BYTE_4_PBL_BA_PG_SZ_M, | |
2291 | V2_MPT_BYTE_4_PBL_BA_PG_SZ_S, | |
2292 | mr->pbl_ba_pg_sz + PG_SHIFT_OFFSET); | |
2293 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_PD_M, | |
2294 | V2_MPT_BYTE_4_PD_S, mr->pd); | |
2295 | ||
2296 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_RA_EN_S, 1); | |
2297 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_R_INV_EN_S, 1); | |
2298 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_L_INV_EN_S, 1); | |
2299 | ||
2300 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_FRE_S, 1); | |
2301 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_PA_S, 0); | |
2302 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_MR_MW_S, 0); | |
2303 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_BPD_S, 1); | |
2304 | ||
2305 | mpt_entry->pbl_size = cpu_to_le32(mr->pbl_size); | |
2306 | ||
2307 | mpt_entry->pbl_ba_l = cpu_to_le32(lower_32_bits(mr->pbl_ba >> 3)); | |
2308 | roce_set_field(mpt_entry->byte_48_mode_ba, V2_MPT_BYTE_48_PBL_BA_H_M, | |
2309 | V2_MPT_BYTE_48_PBL_BA_H_S, | |
2310 | upper_32_bits(mr->pbl_ba >> 3)); | |
2311 | ||
2312 | roce_set_field(mpt_entry->byte_64_buf_pa1, | |
2313 | V2_MPT_BYTE_64_PBL_BUF_PG_SZ_M, | |
2314 | V2_MPT_BYTE_64_PBL_BUF_PG_SZ_S, | |
2315 | mr->pbl_buf_pg_sz + PG_SHIFT_OFFSET); | |
2316 | ||
2317 | return 0; | |
2318 | } | |
2319 | ||
c7c28191 YL |
2320 | static int hns_roce_v2_mw_write_mtpt(void *mb_buf, struct hns_roce_mw *mw) |
2321 | { | |
2322 | struct hns_roce_v2_mpt_entry *mpt_entry; | |
2323 | ||
2324 | mpt_entry = mb_buf; | |
2325 | memset(mpt_entry, 0, sizeof(*mpt_entry)); | |
2326 | ||
2327 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_MPT_ST_M, | |
2328 | V2_MPT_BYTE_4_MPT_ST_S, V2_MPT_ST_FREE); | |
2329 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_PD_M, | |
2330 | V2_MPT_BYTE_4_PD_S, mw->pdn); | |
2331 | roce_set_field(mpt_entry->byte_4_pd_hop_st, | |
2332 | V2_MPT_BYTE_4_PBL_HOP_NUM_M, | |
2333 | V2_MPT_BYTE_4_PBL_HOP_NUM_S, | |
2334 | mw->pbl_hop_num == HNS_ROCE_HOP_NUM_0 ? | |
2335 | 0 : mw->pbl_hop_num); | |
2336 | roce_set_field(mpt_entry->byte_4_pd_hop_st, | |
2337 | V2_MPT_BYTE_4_PBL_BA_PG_SZ_M, | |
2338 | V2_MPT_BYTE_4_PBL_BA_PG_SZ_S, | |
2339 | mw->pbl_ba_pg_sz + PG_SHIFT_OFFSET); | |
2340 | ||
2341 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_R_INV_EN_S, 1); | |
2342 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_L_INV_EN_S, 1); | |
2343 | ||
2344 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_PA_S, 0); | |
2345 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_MR_MW_S, 1); | |
2346 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_BPD_S, 1); | |
2347 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_BQP_S, | |
2348 | mw->ibmw.type == IB_MW_TYPE_1 ? 0 : 1); | |
2349 | ||
2350 | roce_set_field(mpt_entry->byte_64_buf_pa1, | |
2351 | V2_MPT_BYTE_64_PBL_BUF_PG_SZ_M, | |
2352 | V2_MPT_BYTE_64_PBL_BUF_PG_SZ_S, | |
2353 | mw->pbl_buf_pg_sz + PG_SHIFT_OFFSET); | |
2354 | ||
2355 | mpt_entry->lkey = cpu_to_le32(mw->rkey); | |
2356 | ||
2357 | return 0; | |
2358 | } | |
2359 | ||
93aa2187 WHX |
2360 | static void *get_cqe_v2(struct hns_roce_cq *hr_cq, int n) |
2361 | { | |
2362 | return hns_roce_buf_offset(&hr_cq->hr_buf.hr_buf, | |
2363 | n * HNS_ROCE_V2_CQE_ENTRY_SIZE); | |
2364 | } | |
2365 | ||
2366 | static void *get_sw_cqe_v2(struct hns_roce_cq *hr_cq, int n) | |
2367 | { | |
2368 | struct hns_roce_v2_cqe *cqe = get_cqe_v2(hr_cq, n & hr_cq->ib_cq.cqe); | |
2369 | ||
2370 | /* Get cqe when Owner bit is Conversely with the MSB of cons_idx */ | |
2371 | return (roce_get_bit(cqe->byte_4, V2_CQE_BYTE_4_OWNER_S) ^ | |
2372 | !!(n & (hr_cq->ib_cq.cqe + 1))) ? cqe : NULL; | |
2373 | } | |
2374 | ||
2375 | static struct hns_roce_v2_cqe *next_cqe_sw_v2(struct hns_roce_cq *hr_cq) | |
2376 | { | |
2377 | return get_sw_cqe_v2(hr_cq, hr_cq->cons_index); | |
2378 | } | |
2379 | ||
c7bcb134 LO |
2380 | static void *get_srq_wqe(struct hns_roce_srq *srq, int n) |
2381 | { | |
2382 | return hns_roce_buf_offset(&srq->buf, n << srq->wqe_shift); | |
2383 | } | |
2384 | ||
2385 | static void hns_roce_free_srq_wqe(struct hns_roce_srq *srq, int wqe_index) | |
2386 | { | |
c7bcb134 LO |
2387 | /* always called with interrupts disabled. */ |
2388 | spin_lock(&srq->lock); | |
2389 | ||
97545b10 | 2390 | bitmap_clear(srq->idx_que.bitmap, wqe_index, 1); |
c7bcb134 LO |
2391 | srq->tail++; |
2392 | ||
2393 | spin_unlock(&srq->lock); | |
2394 | } | |
2395 | ||
93aa2187 WHX |
2396 | static void hns_roce_v2_cq_set_ci(struct hns_roce_cq *hr_cq, u32 cons_index) |
2397 | { | |
86188a88 | 2398 | *hr_cq->set_ci_db = cons_index & 0xffffff; |
93aa2187 WHX |
2399 | } |
2400 | ||
926a01dc WHX |
2401 | static void __hns_roce_v2_cq_clean(struct hns_roce_cq *hr_cq, u32 qpn, |
2402 | struct hns_roce_srq *srq) | |
2403 | { | |
2404 | struct hns_roce_v2_cqe *cqe, *dest; | |
2405 | u32 prod_index; | |
2406 | int nfreed = 0; | |
c7bcb134 | 2407 | int wqe_index; |
926a01dc WHX |
2408 | u8 owner_bit; |
2409 | ||
2410 | for (prod_index = hr_cq->cons_index; get_sw_cqe_v2(hr_cq, prod_index); | |
2411 | ++prod_index) { | |
2412 | if (prod_index == hr_cq->cons_index + hr_cq->ib_cq.cqe) | |
2413 | break; | |
2414 | } | |
2415 | ||
2416 | /* | |
2417 | * Now backwards through the CQ, removing CQ entries | |
2418 | * that match our QP by overwriting them with next entries. | |
2419 | */ | |
2420 | while ((int) --prod_index - (int) hr_cq->cons_index >= 0) { | |
2421 | cqe = get_cqe_v2(hr_cq, prod_index & hr_cq->ib_cq.cqe); | |
2422 | if ((roce_get_field(cqe->byte_16, V2_CQE_BYTE_16_LCL_QPN_M, | |
2423 | V2_CQE_BYTE_16_LCL_QPN_S) & | |
2424 | HNS_ROCE_V2_CQE_QPN_MASK) == qpn) { | |
c7bcb134 LO |
2425 | if (srq && |
2426 | roce_get_bit(cqe->byte_4, V2_CQE_BYTE_4_S_R_S)) { | |
2427 | wqe_index = roce_get_field(cqe->byte_4, | |
2428 | V2_CQE_BYTE_4_WQE_INDX_M, | |
2429 | V2_CQE_BYTE_4_WQE_INDX_S); | |
2430 | hns_roce_free_srq_wqe(srq, wqe_index); | |
2431 | } | |
926a01dc WHX |
2432 | ++nfreed; |
2433 | } else if (nfreed) { | |
2434 | dest = get_cqe_v2(hr_cq, (prod_index + nfreed) & | |
2435 | hr_cq->ib_cq.cqe); | |
2436 | owner_bit = roce_get_bit(dest->byte_4, | |
2437 | V2_CQE_BYTE_4_OWNER_S); | |
2438 | memcpy(dest, cqe, sizeof(*cqe)); | |
2439 | roce_set_bit(dest->byte_4, V2_CQE_BYTE_4_OWNER_S, | |
2440 | owner_bit); | |
2441 | } | |
2442 | } | |
2443 | ||
2444 | if (nfreed) { | |
2445 | hr_cq->cons_index += nfreed; | |
2446 | /* | |
2447 | * Make sure update of buffer contents is done before | |
2448 | * updating consumer index. | |
2449 | */ | |
2450 | wmb(); | |
2451 | hns_roce_v2_cq_set_ci(hr_cq, hr_cq->cons_index); | |
2452 | } | |
2453 | } | |
2454 | ||
2455 | static void hns_roce_v2_cq_clean(struct hns_roce_cq *hr_cq, u32 qpn, | |
2456 | struct hns_roce_srq *srq) | |
2457 | { | |
2458 | spin_lock_irq(&hr_cq->lock); | |
2459 | __hns_roce_v2_cq_clean(hr_cq, qpn, srq); | |
2460 | spin_unlock_irq(&hr_cq->lock); | |
2461 | } | |
2462 | ||
93aa2187 WHX |
2463 | static void hns_roce_v2_write_cqc(struct hns_roce_dev *hr_dev, |
2464 | struct hns_roce_cq *hr_cq, void *mb_buf, | |
2465 | u64 *mtts, dma_addr_t dma_handle, int nent, | |
2466 | u32 vector) | |
2467 | { | |
2468 | struct hns_roce_v2_cq_context *cq_context; | |
2469 | ||
2470 | cq_context = mb_buf; | |
2471 | memset(cq_context, 0, sizeof(*cq_context)); | |
2472 | ||
2473 | roce_set_field(cq_context->byte_4_pg_ceqn, V2_CQC_BYTE_4_CQ_ST_M, | |
2474 | V2_CQC_BYTE_4_CQ_ST_S, V2_CQ_STATE_VALID); | |
a5073d60 YL |
2475 | roce_set_field(cq_context->byte_4_pg_ceqn, V2_CQC_BYTE_4_ARM_ST_M, |
2476 | V2_CQC_BYTE_4_ARM_ST_S, REG_NXT_CEQE); | |
93aa2187 WHX |
2477 | roce_set_field(cq_context->byte_4_pg_ceqn, V2_CQC_BYTE_4_SHIFT_M, |
2478 | V2_CQC_BYTE_4_SHIFT_S, ilog2((unsigned int)nent)); | |
2479 | roce_set_field(cq_context->byte_4_pg_ceqn, V2_CQC_BYTE_4_CEQN_M, | |
2480 | V2_CQC_BYTE_4_CEQN_S, vector); | |
2481 | cq_context->byte_4_pg_ceqn = cpu_to_le32(cq_context->byte_4_pg_ceqn); | |
2482 | ||
2483 | roce_set_field(cq_context->byte_8_cqn, V2_CQC_BYTE_8_CQN_M, | |
2484 | V2_CQC_BYTE_8_CQN_S, hr_cq->cqn); | |
2485 | ||
2486 | cq_context->cqe_cur_blk_addr = (u32)(mtts[0] >> PAGE_ADDR_SHIFT); | |
2487 | cq_context->cqe_cur_blk_addr = | |
2488 | cpu_to_le32(cq_context->cqe_cur_blk_addr); | |
2489 | ||
2490 | roce_set_field(cq_context->byte_16_hop_addr, | |
2491 | V2_CQC_BYTE_16_CQE_CUR_BLK_ADDR_M, | |
2492 | V2_CQC_BYTE_16_CQE_CUR_BLK_ADDR_S, | |
2493 | cpu_to_le32((mtts[0]) >> (32 + PAGE_ADDR_SHIFT))); | |
2494 | roce_set_field(cq_context->byte_16_hop_addr, | |
2495 | V2_CQC_BYTE_16_CQE_HOP_NUM_M, | |
2496 | V2_CQC_BYTE_16_CQE_HOP_NUM_S, hr_dev->caps.cqe_hop_num == | |
2497 | HNS_ROCE_HOP_NUM_0 ? 0 : hr_dev->caps.cqe_hop_num); | |
2498 | ||
2499 | cq_context->cqe_nxt_blk_addr = (u32)(mtts[1] >> PAGE_ADDR_SHIFT); | |
2500 | roce_set_field(cq_context->byte_24_pgsz_addr, | |
2501 | V2_CQC_BYTE_24_CQE_NXT_BLK_ADDR_M, | |
2502 | V2_CQC_BYTE_24_CQE_NXT_BLK_ADDR_S, | |
2503 | cpu_to_le32((mtts[1]) >> (32 + PAGE_ADDR_SHIFT))); | |
2504 | roce_set_field(cq_context->byte_24_pgsz_addr, | |
2505 | V2_CQC_BYTE_24_CQE_BA_PG_SZ_M, | |
2506 | V2_CQC_BYTE_24_CQE_BA_PG_SZ_S, | |
5e6e78db | 2507 | hr_dev->caps.cqe_ba_pg_sz + PG_SHIFT_OFFSET); |
93aa2187 WHX |
2508 | roce_set_field(cq_context->byte_24_pgsz_addr, |
2509 | V2_CQC_BYTE_24_CQE_BUF_PG_SZ_M, | |
2510 | V2_CQC_BYTE_24_CQE_BUF_PG_SZ_S, | |
5e6e78db | 2511 | hr_dev->caps.cqe_buf_pg_sz + PG_SHIFT_OFFSET); |
93aa2187 WHX |
2512 | |
2513 | cq_context->cqe_ba = (u32)(dma_handle >> 3); | |
2514 | ||
2515 | roce_set_field(cq_context->byte_40_cqe_ba, V2_CQC_BYTE_40_CQE_BA_M, | |
2516 | V2_CQC_BYTE_40_CQE_BA_S, (dma_handle >> (32 + 3))); | |
a5073d60 | 2517 | |
9b44703d YL |
2518 | if (hr_cq->db_en) |
2519 | roce_set_bit(cq_context->byte_44_db_record, | |
2520 | V2_CQC_BYTE_44_DB_RECORD_EN_S, 1); | |
2521 | ||
2522 | roce_set_field(cq_context->byte_44_db_record, | |
2523 | V2_CQC_BYTE_44_DB_RECORD_ADDR_M, | |
2524 | V2_CQC_BYTE_44_DB_RECORD_ADDR_S, | |
2525 | ((u32)hr_cq->db.dma) >> 1); | |
2526 | cq_context->db_record_addr = hr_cq->db.dma >> 32; | |
2527 | ||
a5073d60 YL |
2528 | roce_set_field(cq_context->byte_56_cqe_period_maxcnt, |
2529 | V2_CQC_BYTE_56_CQ_MAX_CNT_M, | |
2530 | V2_CQC_BYTE_56_CQ_MAX_CNT_S, | |
2531 | HNS_ROCE_V2_CQ_DEFAULT_BURST_NUM); | |
2532 | roce_set_field(cq_context->byte_56_cqe_period_maxcnt, | |
2533 | V2_CQC_BYTE_56_CQ_PERIOD_M, | |
2534 | V2_CQC_BYTE_56_CQ_PERIOD_S, | |
2535 | HNS_ROCE_V2_CQ_DEFAULT_INTERVAL); | |
93aa2187 WHX |
2536 | } |
2537 | ||
2538 | static int hns_roce_v2_req_notify_cq(struct ib_cq *ibcq, | |
2539 | enum ib_cq_notify_flags flags) | |
2540 | { | |
d3743fa9 | 2541 | struct hns_roce_dev *hr_dev = to_hr_dev(ibcq->device); |
93aa2187 WHX |
2542 | struct hns_roce_cq *hr_cq = to_hr_cq(ibcq); |
2543 | u32 notification_flag; | |
2544 | u32 doorbell[2]; | |
2545 | ||
2546 | doorbell[0] = 0; | |
2547 | doorbell[1] = 0; | |
2548 | ||
2549 | notification_flag = (flags & IB_CQ_SOLICITED_MASK) == IB_CQ_SOLICITED ? | |
2550 | V2_CQ_DB_REQ_NOT : V2_CQ_DB_REQ_NOT_SOL; | |
2551 | /* | |
2552 | * flags = 0; Notification Flag = 1, next | |
2553 | * flags = 1; Notification Flag = 0, solocited | |
2554 | */ | |
2555 | roce_set_field(doorbell[0], V2_CQ_DB_BYTE_4_TAG_M, V2_DB_BYTE_4_TAG_S, | |
2556 | hr_cq->cqn); | |
2557 | roce_set_field(doorbell[0], V2_CQ_DB_BYTE_4_CMD_M, V2_DB_BYTE_4_CMD_S, | |
2558 | HNS_ROCE_V2_CQ_DB_NTR); | |
2559 | roce_set_field(doorbell[1], V2_CQ_DB_PARAMETER_CONS_IDX_M, | |
2560 | V2_CQ_DB_PARAMETER_CONS_IDX_S, | |
2561 | hr_cq->cons_index & ((hr_cq->cq_depth << 1) - 1)); | |
2562 | roce_set_field(doorbell[1], V2_CQ_DB_PARAMETER_CMD_SN_M, | |
26beb85f | 2563 | V2_CQ_DB_PARAMETER_CMD_SN_S, hr_cq->arm_sn & 0x3); |
93aa2187 WHX |
2564 | roce_set_bit(doorbell[1], V2_CQ_DB_PARAMETER_NOTIFY_S, |
2565 | notification_flag); | |
2566 | ||
d3743fa9 | 2567 | hns_roce_write64(hr_dev, doorbell, hr_cq->cq_db_l); |
93aa2187 WHX |
2568 | |
2569 | return 0; | |
2570 | } | |
2571 | ||
0009c2db | 2572 | static int hns_roce_handle_recv_inl_wqe(struct hns_roce_v2_cqe *cqe, |
2573 | struct hns_roce_qp **cur_qp, | |
2574 | struct ib_wc *wc) | |
2575 | { | |
2576 | struct hns_roce_rinl_sge *sge_list; | |
2577 | u32 wr_num, wr_cnt, sge_num; | |
2578 | u32 sge_cnt, data_len, size; | |
2579 | void *wqe_buf; | |
2580 | ||
2581 | wr_num = roce_get_field(cqe->byte_4, V2_CQE_BYTE_4_WQE_INDX_M, | |
2582 | V2_CQE_BYTE_4_WQE_INDX_S) & 0xffff; | |
2583 | wr_cnt = wr_num & ((*cur_qp)->rq.wqe_cnt - 1); | |
2584 | ||
2585 | sge_list = (*cur_qp)->rq_inl_buf.wqe_list[wr_cnt].sg_list; | |
2586 | sge_num = (*cur_qp)->rq_inl_buf.wqe_list[wr_cnt].sge_cnt; | |
2587 | wqe_buf = get_recv_wqe(*cur_qp, wr_cnt); | |
2588 | data_len = wc->byte_len; | |
2589 | ||
2590 | for (sge_cnt = 0; (sge_cnt < sge_num) && (data_len); sge_cnt++) { | |
2591 | size = min(sge_list[sge_cnt].len, data_len); | |
2592 | memcpy((void *)sge_list[sge_cnt].addr, wqe_buf, size); | |
2593 | ||
2594 | data_len -= size; | |
2595 | wqe_buf += size; | |
2596 | } | |
2597 | ||
2598 | if (data_len) { | |
2599 | wc->status = IB_WC_LOC_LEN_ERR; | |
2600 | return -EAGAIN; | |
2601 | } | |
2602 | ||
2603 | return 0; | |
2604 | } | |
2605 | ||
93aa2187 WHX |
2606 | static int hns_roce_v2_poll_one(struct hns_roce_cq *hr_cq, |
2607 | struct hns_roce_qp **cur_qp, struct ib_wc *wc) | |
2608 | { | |
c7bcb134 | 2609 | struct hns_roce_srq *srq = NULL; |
93aa2187 WHX |
2610 | struct hns_roce_dev *hr_dev; |
2611 | struct hns_roce_v2_cqe *cqe; | |
2612 | struct hns_roce_qp *hr_qp; | |
2613 | struct hns_roce_wq *wq; | |
0425e3e6 YL |
2614 | struct ib_qp_attr attr; |
2615 | int attr_mask; | |
93aa2187 WHX |
2616 | int is_send; |
2617 | u16 wqe_ctr; | |
2618 | u32 opcode; | |
2619 | u32 status; | |
2620 | int qpn; | |
0009c2db | 2621 | int ret; |
93aa2187 WHX |
2622 | |
2623 | /* Find cqe according to consumer index */ | |
2624 | cqe = next_cqe_sw_v2(hr_cq); | |
2625 | if (!cqe) | |
2626 | return -EAGAIN; | |
2627 | ||
2628 | ++hr_cq->cons_index; | |
2629 | /* Memory barrier */ | |
2630 | rmb(); | |
2631 | ||
2632 | /* 0->SQ, 1->RQ */ | |
2633 | is_send = !roce_get_bit(cqe->byte_4, V2_CQE_BYTE_4_S_R_S); | |
2634 | ||
2635 | qpn = roce_get_field(cqe->byte_16, V2_CQE_BYTE_16_LCL_QPN_M, | |
2636 | V2_CQE_BYTE_16_LCL_QPN_S); | |
2637 | ||
2638 | if (!*cur_qp || (qpn & HNS_ROCE_V2_CQE_QPN_MASK) != (*cur_qp)->qpn) { | |
2639 | hr_dev = to_hr_dev(hr_cq->ib_cq.device); | |
2640 | hr_qp = __hns_roce_qp_lookup(hr_dev, qpn); | |
2641 | if (unlikely(!hr_qp)) { | |
2642 | dev_err(hr_dev->dev, "CQ %06lx with entry for unknown QPN %06x\n", | |
2643 | hr_cq->cqn, (qpn & HNS_ROCE_V2_CQE_QPN_MASK)); | |
2644 | return -EINVAL; | |
2645 | } | |
2646 | *cur_qp = hr_qp; | |
2647 | } | |
2648 | ||
2649 | wc->qp = &(*cur_qp)->ibqp; | |
2650 | wc->vendor_err = 0; | |
2651 | ||
c7bcb134 LO |
2652 | if (is_send) { |
2653 | wq = &(*cur_qp)->sq; | |
2654 | if ((*cur_qp)->sq_signal_bits) { | |
2655 | /* | |
2656 | * If sg_signal_bit is 1, | |
2657 | * firstly tail pointer updated to wqe | |
2658 | * which current cqe correspond to | |
2659 | */ | |
2660 | wqe_ctr = (u16)roce_get_field(cqe->byte_4, | |
2661 | V2_CQE_BYTE_4_WQE_INDX_M, | |
2662 | V2_CQE_BYTE_4_WQE_INDX_S); | |
2663 | wq->tail += (wqe_ctr - (u16)wq->tail) & | |
2664 | (wq->wqe_cnt - 1); | |
2665 | } | |
2666 | ||
2667 | wc->wr_id = wq->wrid[wq->tail & (wq->wqe_cnt - 1)]; | |
2668 | ++wq->tail; | |
2669 | } else if ((*cur_qp)->ibqp.srq) { | |
2670 | srq = to_hr_srq((*cur_qp)->ibqp.srq); | |
2671 | wqe_ctr = le16_to_cpu(roce_get_field(cqe->byte_4, | |
2672 | V2_CQE_BYTE_4_WQE_INDX_M, | |
2673 | V2_CQE_BYTE_4_WQE_INDX_S)); | |
2674 | wc->wr_id = srq->wrid[wqe_ctr]; | |
2675 | hns_roce_free_srq_wqe(srq, wqe_ctr); | |
2676 | } else { | |
2677 | /* Update tail pointer, record wr_id */ | |
2678 | wq = &(*cur_qp)->rq; | |
2679 | wc->wr_id = wq->wrid[wq->tail & (wq->wqe_cnt - 1)]; | |
2680 | ++wq->tail; | |
2681 | } | |
2682 | ||
93aa2187 WHX |
2683 | status = roce_get_field(cqe->byte_4, V2_CQE_BYTE_4_STATUS_M, |
2684 | V2_CQE_BYTE_4_STATUS_S); | |
2685 | switch (status & HNS_ROCE_V2_CQE_STATUS_MASK) { | |
2686 | case HNS_ROCE_CQE_V2_SUCCESS: | |
2687 | wc->status = IB_WC_SUCCESS; | |
2688 | break; | |
2689 | case HNS_ROCE_CQE_V2_LOCAL_LENGTH_ERR: | |
2690 | wc->status = IB_WC_LOC_LEN_ERR; | |
2691 | break; | |
2692 | case HNS_ROCE_CQE_V2_LOCAL_QP_OP_ERR: | |
2693 | wc->status = IB_WC_LOC_QP_OP_ERR; | |
2694 | break; | |
2695 | case HNS_ROCE_CQE_V2_LOCAL_PROT_ERR: | |
2696 | wc->status = IB_WC_LOC_PROT_ERR; | |
2697 | break; | |
2698 | case HNS_ROCE_CQE_V2_WR_FLUSH_ERR: | |
2699 | wc->status = IB_WC_WR_FLUSH_ERR; | |
2700 | break; | |
2701 | case HNS_ROCE_CQE_V2_MW_BIND_ERR: | |
2702 | wc->status = IB_WC_MW_BIND_ERR; | |
2703 | break; | |
2704 | case HNS_ROCE_CQE_V2_BAD_RESP_ERR: | |
2705 | wc->status = IB_WC_BAD_RESP_ERR; | |
2706 | break; | |
2707 | case HNS_ROCE_CQE_V2_LOCAL_ACCESS_ERR: | |
2708 | wc->status = IB_WC_LOC_ACCESS_ERR; | |
2709 | break; | |
2710 | case HNS_ROCE_CQE_V2_REMOTE_INVAL_REQ_ERR: | |
2711 | wc->status = IB_WC_REM_INV_REQ_ERR; | |
2712 | break; | |
2713 | case HNS_ROCE_CQE_V2_REMOTE_ACCESS_ERR: | |
2714 | wc->status = IB_WC_REM_ACCESS_ERR; | |
2715 | break; | |
2716 | case HNS_ROCE_CQE_V2_REMOTE_OP_ERR: | |
2717 | wc->status = IB_WC_REM_OP_ERR; | |
2718 | break; | |
2719 | case HNS_ROCE_CQE_V2_TRANSPORT_RETRY_EXC_ERR: | |
2720 | wc->status = IB_WC_RETRY_EXC_ERR; | |
2721 | break; | |
2722 | case HNS_ROCE_CQE_V2_RNR_RETRY_EXC_ERR: | |
2723 | wc->status = IB_WC_RNR_RETRY_EXC_ERR; | |
2724 | break; | |
2725 | case HNS_ROCE_CQE_V2_REMOTE_ABORT_ERR: | |
2726 | wc->status = IB_WC_REM_ABORT_ERR; | |
2727 | break; | |
2728 | default: | |
2729 | wc->status = IB_WC_GENERAL_ERR; | |
2730 | break; | |
2731 | } | |
2732 | ||
0425e3e6 YL |
2733 | /* flush cqe if wc status is error, excluding flush error */ |
2734 | if ((wc->status != IB_WC_SUCCESS) && | |
2735 | (wc->status != IB_WC_WR_FLUSH_ERR)) { | |
2736 | attr_mask = IB_QP_STATE; | |
2737 | attr.qp_state = IB_QPS_ERR; | |
2738 | return hns_roce_v2_modify_qp(&(*cur_qp)->ibqp, | |
2739 | &attr, attr_mask, | |
2740 | (*cur_qp)->state, IB_QPS_ERR); | |
2741 | } | |
2742 | ||
2743 | if (wc->status == IB_WC_WR_FLUSH_ERR) | |
93aa2187 WHX |
2744 | return 0; |
2745 | ||
2746 | if (is_send) { | |
2747 | wc->wc_flags = 0; | |
2748 | /* SQ corresponding to CQE */ | |
2749 | switch (roce_get_field(cqe->byte_4, V2_CQE_BYTE_4_OPCODE_M, | |
2750 | V2_CQE_BYTE_4_OPCODE_S) & 0x1f) { | |
2751 | case HNS_ROCE_SQ_OPCODE_SEND: | |
2752 | wc->opcode = IB_WC_SEND; | |
2753 | break; | |
2754 | case HNS_ROCE_SQ_OPCODE_SEND_WITH_INV: | |
2755 | wc->opcode = IB_WC_SEND; | |
2756 | break; | |
2757 | case HNS_ROCE_SQ_OPCODE_SEND_WITH_IMM: | |
2758 | wc->opcode = IB_WC_SEND; | |
2759 | wc->wc_flags |= IB_WC_WITH_IMM; | |
2760 | break; | |
2761 | case HNS_ROCE_SQ_OPCODE_RDMA_READ: | |
2762 | wc->opcode = IB_WC_RDMA_READ; | |
2763 | wc->byte_len = le32_to_cpu(cqe->byte_cnt); | |
2764 | break; | |
2765 | case HNS_ROCE_SQ_OPCODE_RDMA_WRITE: | |
2766 | wc->opcode = IB_WC_RDMA_WRITE; | |
2767 | break; | |
2768 | case HNS_ROCE_SQ_OPCODE_RDMA_WRITE_WITH_IMM: | |
2769 | wc->opcode = IB_WC_RDMA_WRITE; | |
2770 | wc->wc_flags |= IB_WC_WITH_IMM; | |
2771 | break; | |
2772 | case HNS_ROCE_SQ_OPCODE_LOCAL_INV: | |
2773 | wc->opcode = IB_WC_LOCAL_INV; | |
2774 | wc->wc_flags |= IB_WC_WITH_INVALIDATE; | |
2775 | break; | |
2776 | case HNS_ROCE_SQ_OPCODE_ATOMIC_COMP_AND_SWAP: | |
2777 | wc->opcode = IB_WC_COMP_SWAP; | |
2778 | wc->byte_len = 8; | |
2779 | break; | |
2780 | case HNS_ROCE_SQ_OPCODE_ATOMIC_FETCH_AND_ADD: | |
2781 | wc->opcode = IB_WC_FETCH_ADD; | |
2782 | wc->byte_len = 8; | |
2783 | break; | |
2784 | case HNS_ROCE_SQ_OPCODE_ATOMIC_MASK_COMP_AND_SWAP: | |
2785 | wc->opcode = IB_WC_MASKED_COMP_SWAP; | |
2786 | wc->byte_len = 8; | |
2787 | break; | |
2788 | case HNS_ROCE_SQ_OPCODE_ATOMIC_MASK_FETCH_AND_ADD: | |
2789 | wc->opcode = IB_WC_MASKED_FETCH_ADD; | |
2790 | wc->byte_len = 8; | |
2791 | break; | |
2792 | case HNS_ROCE_SQ_OPCODE_FAST_REG_WR: | |
2793 | wc->opcode = IB_WC_REG_MR; | |
2794 | break; | |
2795 | case HNS_ROCE_SQ_OPCODE_BIND_MW: | |
2796 | wc->opcode = IB_WC_REG_MR; | |
2797 | break; | |
2798 | default: | |
2799 | wc->status = IB_WC_GENERAL_ERR; | |
2800 | break; | |
2801 | } | |
93aa2187 WHX |
2802 | } else { |
2803 | /* RQ correspond to CQE */ | |
2804 | wc->byte_len = le32_to_cpu(cqe->byte_cnt); | |
2805 | ||
2806 | opcode = roce_get_field(cqe->byte_4, V2_CQE_BYTE_4_OPCODE_M, | |
2807 | V2_CQE_BYTE_4_OPCODE_S); | |
2808 | switch (opcode & 0x1f) { | |
2809 | case HNS_ROCE_V2_OPCODE_RDMA_WRITE_IMM: | |
2810 | wc->opcode = IB_WC_RECV_RDMA_WITH_IMM; | |
2811 | wc->wc_flags = IB_WC_WITH_IMM; | |
0c4a0e29 LO |
2812 | wc->ex.imm_data = |
2813 | cpu_to_be32(le32_to_cpu(cqe->immtdata)); | |
93aa2187 WHX |
2814 | break; |
2815 | case HNS_ROCE_V2_OPCODE_SEND: | |
2816 | wc->opcode = IB_WC_RECV; | |
2817 | wc->wc_flags = 0; | |
2818 | break; | |
2819 | case HNS_ROCE_V2_OPCODE_SEND_WITH_IMM: | |
2820 | wc->opcode = IB_WC_RECV; | |
2821 | wc->wc_flags = IB_WC_WITH_IMM; | |
0c4a0e29 LO |
2822 | wc->ex.imm_data = |
2823 | cpu_to_be32(le32_to_cpu(cqe->immtdata)); | |
93aa2187 WHX |
2824 | break; |
2825 | case HNS_ROCE_V2_OPCODE_SEND_WITH_INV: | |
2826 | wc->opcode = IB_WC_RECV; | |
2827 | wc->wc_flags = IB_WC_WITH_INVALIDATE; | |
ccb8a29e | 2828 | wc->ex.invalidate_rkey = le32_to_cpu(cqe->rkey); |
93aa2187 WHX |
2829 | break; |
2830 | default: | |
2831 | wc->status = IB_WC_GENERAL_ERR; | |
2832 | break; | |
2833 | } | |
2834 | ||
0009c2db | 2835 | if ((wc->qp->qp_type == IB_QPT_RC || |
2836 | wc->qp->qp_type == IB_QPT_UC) && | |
2837 | (opcode == HNS_ROCE_V2_OPCODE_SEND || | |
2838 | opcode == HNS_ROCE_V2_OPCODE_SEND_WITH_IMM || | |
2839 | opcode == HNS_ROCE_V2_OPCODE_SEND_WITH_INV) && | |
2840 | (roce_get_bit(cqe->byte_4, V2_CQE_BYTE_4_RQ_INLINE_S))) { | |
2841 | ret = hns_roce_handle_recv_inl_wqe(cqe, cur_qp, wc); | |
2842 | if (ret) | |
2843 | return -EAGAIN; | |
2844 | } | |
2845 | ||
93aa2187 WHX |
2846 | wc->sl = (u8)roce_get_field(cqe->byte_32, V2_CQE_BYTE_32_SL_M, |
2847 | V2_CQE_BYTE_32_SL_S); | |
2848 | wc->src_qp = (u8)roce_get_field(cqe->byte_32, | |
2849 | V2_CQE_BYTE_32_RMT_QPN_M, | |
2850 | V2_CQE_BYTE_32_RMT_QPN_S); | |
15fc056f | 2851 | wc->slid = 0; |
93aa2187 WHX |
2852 | wc->wc_flags |= (roce_get_bit(cqe->byte_32, |
2853 | V2_CQE_BYTE_32_GRH_S) ? | |
2854 | IB_WC_GRH : 0); | |
6c1f08b3 | 2855 | wc->port_num = roce_get_field(cqe->byte_32, |
2856 | V2_CQE_BYTE_32_PORTN_M, V2_CQE_BYTE_32_PORTN_S); | |
2857 | wc->pkey_index = 0; | |
2eade675 | 2858 | memcpy(wc->smac, cqe->smac, 4); |
2859 | wc->smac[4] = roce_get_field(cqe->byte_28, | |
2860 | V2_CQE_BYTE_28_SMAC_4_M, | |
2861 | V2_CQE_BYTE_28_SMAC_4_S); | |
2862 | wc->smac[5] = roce_get_field(cqe->byte_28, | |
2863 | V2_CQE_BYTE_28_SMAC_5_M, | |
2864 | V2_CQE_BYTE_28_SMAC_5_S); | |
944e6409 LO |
2865 | if (roce_get_bit(cqe->byte_28, V2_CQE_BYTE_28_VID_VLD_S)) { |
2866 | wc->vlan_id = (u16)roce_get_field(cqe->byte_28, | |
2867 | V2_CQE_BYTE_28_VID_M, | |
2868 | V2_CQE_BYTE_28_VID_S); | |
2869 | } else { | |
2870 | wc->vlan_id = 0xffff; | |
2871 | } | |
2872 | ||
2eade675 | 2873 | wc->wc_flags |= (IB_WC_WITH_VLAN | IB_WC_WITH_SMAC); |
2874 | wc->network_hdr_type = roce_get_field(cqe->byte_28, | |
2875 | V2_CQE_BYTE_28_PORT_TYPE_M, | |
2876 | V2_CQE_BYTE_28_PORT_TYPE_S); | |
93aa2187 WHX |
2877 | } |
2878 | ||
2879 | return 0; | |
2880 | } | |
2881 | ||
2882 | static int hns_roce_v2_poll_cq(struct ib_cq *ibcq, int num_entries, | |
2883 | struct ib_wc *wc) | |
2884 | { | |
2885 | struct hns_roce_cq *hr_cq = to_hr_cq(ibcq); | |
2886 | struct hns_roce_qp *cur_qp = NULL; | |
2887 | unsigned long flags; | |
2888 | int npolled; | |
2889 | ||
2890 | spin_lock_irqsave(&hr_cq->lock, flags); | |
2891 | ||
2892 | for (npolled = 0; npolled < num_entries; ++npolled) { | |
2893 | if (hns_roce_v2_poll_one(hr_cq, &cur_qp, wc + npolled)) | |
2894 | break; | |
2895 | } | |
2896 | ||
2897 | if (npolled) { | |
2898 | /* Memory barrier */ | |
2899 | wmb(); | |
2900 | hns_roce_v2_cq_set_ci(hr_cq, hr_cq->cons_index); | |
2901 | } | |
2902 | ||
2903 | spin_unlock_irqrestore(&hr_cq->lock, flags); | |
2904 | ||
2905 | return npolled; | |
2906 | } | |
2907 | ||
a81fba28 WHX |
2908 | static int hns_roce_v2_set_hem(struct hns_roce_dev *hr_dev, |
2909 | struct hns_roce_hem_table *table, int obj, | |
2910 | int step_idx) | |
2911 | { | |
2912 | struct device *dev = hr_dev->dev; | |
2913 | struct hns_roce_cmd_mailbox *mailbox; | |
2914 | struct hns_roce_hem_iter iter; | |
2915 | struct hns_roce_hem_mhop mhop; | |
2916 | struct hns_roce_hem *hem; | |
2917 | unsigned long mhop_obj = obj; | |
2918 | int i, j, k; | |
2919 | int ret = 0; | |
2920 | u64 hem_idx = 0; | |
2921 | u64 l1_idx = 0; | |
2922 | u64 bt_ba = 0; | |
2923 | u32 chunk_ba_num; | |
2924 | u32 hop_num; | |
2925 | u16 op = 0xff; | |
2926 | ||
2927 | if (!hns_roce_check_whether_mhop(hr_dev, table->type)) | |
2928 | return 0; | |
2929 | ||
2930 | hns_roce_calc_hem_mhop(hr_dev, table, &mhop_obj, &mhop); | |
2931 | i = mhop.l0_idx; | |
2932 | j = mhop.l1_idx; | |
2933 | k = mhop.l2_idx; | |
2934 | hop_num = mhop.hop_num; | |
2935 | chunk_ba_num = mhop.bt_chunk_size / 8; | |
2936 | ||
2937 | if (hop_num == 2) { | |
2938 | hem_idx = i * chunk_ba_num * chunk_ba_num + j * chunk_ba_num + | |
2939 | k; | |
2940 | l1_idx = i * chunk_ba_num + j; | |
2941 | } else if (hop_num == 1) { | |
2942 | hem_idx = i * chunk_ba_num + j; | |
2943 | } else if (hop_num == HNS_ROCE_HOP_NUM_0) { | |
2944 | hem_idx = i; | |
2945 | } | |
2946 | ||
2947 | switch (table->type) { | |
2948 | case HEM_TYPE_QPC: | |
2949 | op = HNS_ROCE_CMD_WRITE_QPC_BT0; | |
2950 | break; | |
2951 | case HEM_TYPE_MTPT: | |
2952 | op = HNS_ROCE_CMD_WRITE_MPT_BT0; | |
2953 | break; | |
2954 | case HEM_TYPE_CQC: | |
2955 | op = HNS_ROCE_CMD_WRITE_CQC_BT0; | |
2956 | break; | |
2957 | case HEM_TYPE_SRQC: | |
2958 | op = HNS_ROCE_CMD_WRITE_SRQC_BT0; | |
2959 | break; | |
6a157f7d YL |
2960 | case HEM_TYPE_SCCC: |
2961 | op = HNS_ROCE_CMD_WRITE_SCCC_BT0; | |
2962 | break; | |
0e40dc2f YL |
2963 | case HEM_TYPE_QPC_TIMER: |
2964 | op = HNS_ROCE_CMD_WRITE_QPC_TIMER_BT0; | |
2965 | break; | |
2966 | case HEM_TYPE_CQC_TIMER: | |
2967 | op = HNS_ROCE_CMD_WRITE_CQC_TIMER_BT0; | |
2968 | break; | |
a81fba28 WHX |
2969 | default: |
2970 | dev_warn(dev, "Table %d not to be written by mailbox!\n", | |
2971 | table->type); | |
2972 | return 0; | |
2973 | } | |
6a157f7d YL |
2974 | |
2975 | if (table->type == HEM_TYPE_SCCC && step_idx) | |
2976 | return 0; | |
2977 | ||
a81fba28 WHX |
2978 | op += step_idx; |
2979 | ||
2980 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
2981 | if (IS_ERR(mailbox)) | |
2982 | return PTR_ERR(mailbox); | |
2983 | ||
6ac16e40 YL |
2984 | if (table->type == HEM_TYPE_SCCC) |
2985 | obj = mhop.l0_idx; | |
2986 | ||
a81fba28 WHX |
2987 | if (check_whether_last_step(hop_num, step_idx)) { |
2988 | hem = table->hem[hem_idx]; | |
2989 | for (hns_roce_hem_first(hem, &iter); | |
2990 | !hns_roce_hem_last(&iter); hns_roce_hem_next(&iter)) { | |
2991 | bt_ba = hns_roce_hem_addr(&iter); | |
2992 | ||
2993 | /* configure the ba, tag, and op */ | |
2994 | ret = hns_roce_cmd_mbox(hr_dev, bt_ba, mailbox->dma, | |
2995 | obj, 0, op, | |
2996 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
2997 | } | |
2998 | } else { | |
2999 | if (step_idx == 0) | |
3000 | bt_ba = table->bt_l0_dma_addr[i]; | |
3001 | else if (step_idx == 1 && hop_num == 2) | |
3002 | bt_ba = table->bt_l1_dma_addr[l1_idx]; | |
3003 | ||
3004 | /* configure the ba, tag, and op */ | |
3005 | ret = hns_roce_cmd_mbox(hr_dev, bt_ba, mailbox->dma, obj, | |
3006 | 0, op, HNS_ROCE_CMD_TIMEOUT_MSECS); | |
3007 | } | |
3008 | ||
3009 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
3010 | return ret; | |
3011 | } | |
3012 | ||
3013 | static int hns_roce_v2_clear_hem(struct hns_roce_dev *hr_dev, | |
3014 | struct hns_roce_hem_table *table, int obj, | |
3015 | int step_idx) | |
3016 | { | |
3017 | struct device *dev = hr_dev->dev; | |
3018 | struct hns_roce_cmd_mailbox *mailbox; | |
3019 | int ret = 0; | |
3020 | u16 op = 0xff; | |
3021 | ||
3022 | if (!hns_roce_check_whether_mhop(hr_dev, table->type)) | |
3023 | return 0; | |
3024 | ||
3025 | switch (table->type) { | |
3026 | case HEM_TYPE_QPC: | |
3027 | op = HNS_ROCE_CMD_DESTROY_QPC_BT0; | |
3028 | break; | |
3029 | case HEM_TYPE_MTPT: | |
3030 | op = HNS_ROCE_CMD_DESTROY_MPT_BT0; | |
3031 | break; | |
3032 | case HEM_TYPE_CQC: | |
3033 | op = HNS_ROCE_CMD_DESTROY_CQC_BT0; | |
3034 | break; | |
6a157f7d | 3035 | case HEM_TYPE_SCCC: |
0e40dc2f YL |
3036 | case HEM_TYPE_QPC_TIMER: |
3037 | case HEM_TYPE_CQC_TIMER: | |
6a157f7d | 3038 | break; |
a81fba28 WHX |
3039 | case HEM_TYPE_SRQC: |
3040 | op = HNS_ROCE_CMD_DESTROY_SRQC_BT0; | |
3041 | break; | |
3042 | default: | |
3043 | dev_warn(dev, "Table %d not to be destroyed by mailbox!\n", | |
3044 | table->type); | |
3045 | return 0; | |
3046 | } | |
6a157f7d | 3047 | |
0e40dc2f YL |
3048 | if (table->type == HEM_TYPE_SCCC || |
3049 | table->type == HEM_TYPE_QPC_TIMER || | |
3050 | table->type == HEM_TYPE_CQC_TIMER) | |
6a157f7d YL |
3051 | return 0; |
3052 | ||
a81fba28 WHX |
3053 | op += step_idx; |
3054 | ||
3055 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
3056 | if (IS_ERR(mailbox)) | |
3057 | return PTR_ERR(mailbox); | |
3058 | ||
3059 | /* configure the tag and op */ | |
3060 | ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, obj, 0, op, | |
3061 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
3062 | ||
3063 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
3064 | return ret; | |
3065 | } | |
3066 | ||
926a01dc | 3067 | static int hns_roce_v2_qp_modify(struct hns_roce_dev *hr_dev, |
926a01dc WHX |
3068 | enum ib_qp_state cur_state, |
3069 | enum ib_qp_state new_state, | |
3070 | struct hns_roce_v2_qp_context *context, | |
3071 | struct hns_roce_qp *hr_qp) | |
3072 | { | |
3073 | struct hns_roce_cmd_mailbox *mailbox; | |
3074 | int ret; | |
3075 | ||
3076 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
3077 | if (IS_ERR(mailbox)) | |
3078 | return PTR_ERR(mailbox); | |
3079 | ||
3080 | memcpy(mailbox->buf, context, sizeof(*context) * 2); | |
3081 | ||
3082 | ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, hr_qp->qpn, 0, | |
3083 | HNS_ROCE_CMD_MODIFY_QPC, | |
3084 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
3085 | ||
3086 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
3087 | ||
3088 | return ret; | |
3089 | } | |
3090 | ||
ace1c541 | 3091 | static void set_access_flags(struct hns_roce_qp *hr_qp, |
3092 | struct hns_roce_v2_qp_context *context, | |
3093 | struct hns_roce_v2_qp_context *qpc_mask, | |
3094 | const struct ib_qp_attr *attr, int attr_mask) | |
3095 | { | |
3096 | u8 dest_rd_atomic; | |
3097 | u32 access_flags; | |
3098 | ||
c2799119 | 3099 | dest_rd_atomic = (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) ? |
ace1c541 | 3100 | attr->max_dest_rd_atomic : hr_qp->resp_depth; |
3101 | ||
c2799119 | 3102 | access_flags = (attr_mask & IB_QP_ACCESS_FLAGS) ? |
ace1c541 | 3103 | attr->qp_access_flags : hr_qp->atomic_rd_en; |
3104 | ||
3105 | if (!dest_rd_atomic) | |
3106 | access_flags &= IB_ACCESS_REMOTE_WRITE; | |
3107 | ||
3108 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RRE_S, | |
3109 | !!(access_flags & IB_ACCESS_REMOTE_READ)); | |
3110 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_RRE_S, 0); | |
3111 | ||
3112 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RWE_S, | |
3113 | !!(access_flags & IB_ACCESS_REMOTE_WRITE)); | |
3114 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_RWE_S, 0); | |
3115 | ||
3116 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_ATE_S, | |
3117 | !!(access_flags & IB_ACCESS_REMOTE_ATOMIC)); | |
3118 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_ATE_S, 0); | |
3119 | } | |
3120 | ||
926a01dc WHX |
3121 | static void modify_qp_reset_to_init(struct ib_qp *ibqp, |
3122 | const struct ib_qp_attr *attr, | |
0fa95a9a | 3123 | int attr_mask, |
926a01dc WHX |
3124 | struct hns_roce_v2_qp_context *context, |
3125 | struct hns_roce_v2_qp_context *qpc_mask) | |
3126 | { | |
ecaaf1e2 | 3127 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); |
926a01dc WHX |
3128 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); |
3129 | ||
3130 | /* | |
3131 | * In v2 engine, software pass context and context mask to hardware | |
3132 | * when modifying qp. If software need modify some fields in context, | |
3133 | * we should set all bits of the relevant fields in context mask to | |
3134 | * 0 at the same time, else set them to 0x1. | |
3135 | */ | |
3136 | roce_set_field(context->byte_4_sqpn_tst, V2_QPC_BYTE_4_TST_M, | |
3137 | V2_QPC_BYTE_4_TST_S, to_hr_qp_type(hr_qp->ibqp.qp_type)); | |
3138 | roce_set_field(qpc_mask->byte_4_sqpn_tst, V2_QPC_BYTE_4_TST_M, | |
3139 | V2_QPC_BYTE_4_TST_S, 0); | |
3140 | ||
0fa95a9a | 3141 | if (ibqp->qp_type == IB_QPT_GSI) |
3142 | roce_set_field(context->byte_4_sqpn_tst, | |
3143 | V2_QPC_BYTE_4_SGE_SHIFT_M, | |
3144 | V2_QPC_BYTE_4_SGE_SHIFT_S, | |
3145 | ilog2((unsigned int)hr_qp->sge.sge_cnt)); | |
3146 | else | |
3147 | roce_set_field(context->byte_4_sqpn_tst, | |
3148 | V2_QPC_BYTE_4_SGE_SHIFT_M, | |
3149 | V2_QPC_BYTE_4_SGE_SHIFT_S, | |
3150 | hr_qp->sq.max_gs > 2 ? | |
3151 | ilog2((unsigned int)hr_qp->sge.sge_cnt) : 0); | |
3152 | ||
926a01dc WHX |
3153 | roce_set_field(qpc_mask->byte_4_sqpn_tst, V2_QPC_BYTE_4_SGE_SHIFT_M, |
3154 | V2_QPC_BYTE_4_SGE_SHIFT_S, 0); | |
3155 | ||
3156 | roce_set_field(context->byte_4_sqpn_tst, V2_QPC_BYTE_4_SQPN_M, | |
3157 | V2_QPC_BYTE_4_SQPN_S, hr_qp->qpn); | |
3158 | roce_set_field(qpc_mask->byte_4_sqpn_tst, V2_QPC_BYTE_4_SQPN_M, | |
3159 | V2_QPC_BYTE_4_SQPN_S, 0); | |
3160 | ||
3161 | roce_set_field(context->byte_16_buf_ba_pg_sz, V2_QPC_BYTE_16_PD_M, | |
3162 | V2_QPC_BYTE_16_PD_S, to_hr_pd(ibqp->pd)->pdn); | |
3163 | roce_set_field(qpc_mask->byte_16_buf_ba_pg_sz, V2_QPC_BYTE_16_PD_M, | |
3164 | V2_QPC_BYTE_16_PD_S, 0); | |
3165 | ||
3166 | roce_set_field(context->byte_20_smac_sgid_idx, V2_QPC_BYTE_20_RQWS_M, | |
3167 | V2_QPC_BYTE_20_RQWS_S, ilog2(hr_qp->rq.max_gs)); | |
3168 | roce_set_field(qpc_mask->byte_20_smac_sgid_idx, V2_QPC_BYTE_20_RQWS_M, | |
3169 | V2_QPC_BYTE_20_RQWS_S, 0); | |
3170 | ||
3171 | roce_set_field(context->byte_20_smac_sgid_idx, | |
3172 | V2_QPC_BYTE_20_SQ_SHIFT_M, V2_QPC_BYTE_20_SQ_SHIFT_S, | |
3173 | ilog2((unsigned int)hr_qp->sq.wqe_cnt)); | |
3174 | roce_set_field(qpc_mask->byte_20_smac_sgid_idx, | |
3175 | V2_QPC_BYTE_20_SQ_SHIFT_M, V2_QPC_BYTE_20_SQ_SHIFT_S, 0); | |
3176 | ||
3177 | roce_set_field(context->byte_20_smac_sgid_idx, | |
3178 | V2_QPC_BYTE_20_RQ_SHIFT_M, V2_QPC_BYTE_20_RQ_SHIFT_S, | |
c7bcb134 LO |
3179 | (hr_qp->ibqp.qp_type == IB_QPT_XRC_INI || |
3180 | hr_qp->ibqp.qp_type == IB_QPT_XRC_TGT || ibqp->srq) ? 0 : | |
926a01dc WHX |
3181 | ilog2((unsigned int)hr_qp->rq.wqe_cnt)); |
3182 | roce_set_field(qpc_mask->byte_20_smac_sgid_idx, | |
3183 | V2_QPC_BYTE_20_RQ_SHIFT_M, V2_QPC_BYTE_20_RQ_SHIFT_S, 0); | |
3184 | ||
3185 | /* No VLAN need to set 0xFFF */ | |
c8e46f8d LO |
3186 | roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_VLAN_ID_M, |
3187 | V2_QPC_BYTE_24_VLAN_ID_S, 0xfff); | |
3188 | roce_set_field(qpc_mask->byte_24_mtu_tc, V2_QPC_BYTE_24_VLAN_ID_M, | |
3189 | V2_QPC_BYTE_24_VLAN_ID_S, 0); | |
926a01dc WHX |
3190 | |
3191 | /* | |
3192 | * Set some fields in context to zero, Because the default values | |
3193 | * of all fields in context are zero, we need not set them to 0 again. | |
3194 | * but we should set the relevant fields of context mask to 0. | |
3195 | */ | |
3196 | roce_set_bit(qpc_mask->byte_56_dqpn_err, V2_QPC_BYTE_56_SQ_TX_ERR_S, 0); | |
3197 | roce_set_bit(qpc_mask->byte_56_dqpn_err, V2_QPC_BYTE_56_SQ_RX_ERR_S, 0); | |
3198 | roce_set_bit(qpc_mask->byte_56_dqpn_err, V2_QPC_BYTE_56_RQ_TX_ERR_S, 0); | |
3199 | roce_set_bit(qpc_mask->byte_56_dqpn_err, V2_QPC_BYTE_56_RQ_RX_ERR_S, 0); | |
3200 | ||
2362ccee LO |
3201 | roce_set_field(qpc_mask->byte_60_qpst_tempid, V2_QPC_BYTE_60_TEMPID_M, |
3202 | V2_QPC_BYTE_60_TEMPID_S, 0); | |
3203 | ||
3204 | roce_set_field(qpc_mask->byte_60_qpst_tempid, | |
3205 | V2_QPC_BYTE_60_SCC_TOKEN_M, V2_QPC_BYTE_60_SCC_TOKEN_S, | |
3206 | 0); | |
3207 | roce_set_bit(qpc_mask->byte_60_qpst_tempid, | |
3208 | V2_QPC_BYTE_60_SQ_DB_DOING_S, 0); | |
3209 | roce_set_bit(qpc_mask->byte_60_qpst_tempid, | |
3210 | V2_QPC_BYTE_60_RQ_DB_DOING_S, 0); | |
926a01dc WHX |
3211 | roce_set_bit(qpc_mask->byte_28_at_fl, V2_QPC_BYTE_28_CNP_TX_FLAG_S, 0); |
3212 | roce_set_bit(qpc_mask->byte_28_at_fl, V2_QPC_BYTE_28_CE_FLAG_S, 0); | |
3213 | ||
e088a685 YL |
3214 | if (hr_qp->rdb_en) { |
3215 | roce_set_bit(context->byte_68_rq_db, | |
3216 | V2_QPC_BYTE_68_RQ_RECORD_EN_S, 1); | |
3217 | roce_set_bit(qpc_mask->byte_68_rq_db, | |
3218 | V2_QPC_BYTE_68_RQ_RECORD_EN_S, 0); | |
3219 | } | |
3220 | ||
3221 | roce_set_field(context->byte_68_rq_db, | |
3222 | V2_QPC_BYTE_68_RQ_DB_RECORD_ADDR_M, | |
3223 | V2_QPC_BYTE_68_RQ_DB_RECORD_ADDR_S, | |
3224 | ((u32)hr_qp->rdb.dma) >> 1); | |
3225 | roce_set_field(qpc_mask->byte_68_rq_db, | |
3226 | V2_QPC_BYTE_68_RQ_DB_RECORD_ADDR_M, | |
3227 | V2_QPC_BYTE_68_RQ_DB_RECORD_ADDR_S, 0); | |
3228 | context->rq_db_record_addr = hr_qp->rdb.dma >> 32; | |
3229 | qpc_mask->rq_db_record_addr = 0; | |
3230 | ||
ecaaf1e2 | 3231 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RQIE_S, |
3232 | (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RQ_INLINE) ? 1 : 0); | |
926a01dc WHX |
3233 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_RQIE_S, 0); |
3234 | ||
3235 | roce_set_field(context->byte_80_rnr_rx_cqn, V2_QPC_BYTE_80_RX_CQN_M, | |
3236 | V2_QPC_BYTE_80_RX_CQN_S, to_hr_cq(ibqp->recv_cq)->cqn); | |
3237 | roce_set_field(qpc_mask->byte_80_rnr_rx_cqn, V2_QPC_BYTE_80_RX_CQN_M, | |
3238 | V2_QPC_BYTE_80_RX_CQN_S, 0); | |
3239 | if (ibqp->srq) { | |
3240 | roce_set_field(context->byte_76_srqn_op_en, | |
3241 | V2_QPC_BYTE_76_SRQN_M, V2_QPC_BYTE_76_SRQN_S, | |
3242 | to_hr_srq(ibqp->srq)->srqn); | |
3243 | roce_set_field(qpc_mask->byte_76_srqn_op_en, | |
3244 | V2_QPC_BYTE_76_SRQN_M, V2_QPC_BYTE_76_SRQN_S, 0); | |
3245 | roce_set_bit(context->byte_76_srqn_op_en, | |
3246 | V2_QPC_BYTE_76_SRQ_EN_S, 1); | |
3247 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, | |
3248 | V2_QPC_BYTE_76_SRQ_EN_S, 0); | |
3249 | } | |
3250 | ||
3251 | roce_set_field(qpc_mask->byte_84_rq_ci_pi, | |
3252 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_M, | |
3253 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_S, 0); | |
3254 | roce_set_field(qpc_mask->byte_84_rq_ci_pi, | |
3255 | V2_QPC_BYTE_84_RQ_CONSUMER_IDX_M, | |
3256 | V2_QPC_BYTE_84_RQ_CONSUMER_IDX_S, 0); | |
3257 | ||
3258 | roce_set_field(qpc_mask->byte_92_srq_info, V2_QPC_BYTE_92_SRQ_INFO_M, | |
3259 | V2_QPC_BYTE_92_SRQ_INFO_S, 0); | |
3260 | ||
3261 | roce_set_field(qpc_mask->byte_96_rx_reqmsn, V2_QPC_BYTE_96_RX_REQ_MSN_M, | |
3262 | V2_QPC_BYTE_96_RX_REQ_MSN_S, 0); | |
3263 | ||
3264 | roce_set_field(qpc_mask->byte_104_rq_sge, | |
3265 | V2_QPC_BYTE_104_RQ_CUR_WQE_SGE_NUM_M, | |
3266 | V2_QPC_BYTE_104_RQ_CUR_WQE_SGE_NUM_S, 0); | |
3267 | ||
3268 | roce_set_bit(qpc_mask->byte_108_rx_reqepsn, | |
3269 | V2_QPC_BYTE_108_RX_REQ_PSN_ERR_S, 0); | |
3270 | roce_set_field(qpc_mask->byte_108_rx_reqepsn, | |
3271 | V2_QPC_BYTE_108_RX_REQ_LAST_OPTYPE_M, | |
3272 | V2_QPC_BYTE_108_RX_REQ_LAST_OPTYPE_S, 0); | |
3273 | roce_set_bit(qpc_mask->byte_108_rx_reqepsn, | |
3274 | V2_QPC_BYTE_108_RX_REQ_RNR_S, 0); | |
3275 | ||
3276 | qpc_mask->rq_rnr_timer = 0; | |
3277 | qpc_mask->rx_msg_len = 0; | |
3278 | qpc_mask->rx_rkey_pkt_info = 0; | |
3279 | qpc_mask->rx_va = 0; | |
3280 | ||
3281 | roce_set_field(qpc_mask->byte_132_trrl, V2_QPC_BYTE_132_TRRL_HEAD_MAX_M, | |
3282 | V2_QPC_BYTE_132_TRRL_HEAD_MAX_S, 0); | |
3283 | roce_set_field(qpc_mask->byte_132_trrl, V2_QPC_BYTE_132_TRRL_TAIL_MAX_M, | |
3284 | V2_QPC_BYTE_132_TRRL_TAIL_MAX_S, 0); | |
3285 | ||
2362ccee LO |
3286 | roce_set_bit(qpc_mask->byte_140_raq, V2_QPC_BYTE_140_RQ_RTY_WAIT_DO_S, |
3287 | 0); | |
926a01dc WHX |
3288 | roce_set_field(qpc_mask->byte_140_raq, V2_QPC_BYTE_140_RAQ_TRRL_HEAD_M, |
3289 | V2_QPC_BYTE_140_RAQ_TRRL_HEAD_S, 0); | |
3290 | roce_set_field(qpc_mask->byte_140_raq, V2_QPC_BYTE_140_RAQ_TRRL_TAIL_M, | |
3291 | V2_QPC_BYTE_140_RAQ_TRRL_TAIL_S, 0); | |
3292 | ||
3293 | roce_set_field(qpc_mask->byte_144_raq, | |
3294 | V2_QPC_BYTE_144_RAQ_RTY_INI_PSN_M, | |
3295 | V2_QPC_BYTE_144_RAQ_RTY_INI_PSN_S, 0); | |
926a01dc WHX |
3296 | roce_set_field(qpc_mask->byte_144_raq, V2_QPC_BYTE_144_RAQ_CREDIT_M, |
3297 | V2_QPC_BYTE_144_RAQ_CREDIT_S, 0); | |
3298 | roce_set_bit(qpc_mask->byte_144_raq, V2_QPC_BYTE_144_RESP_RTY_FLG_S, 0); | |
3299 | ||
3300 | roce_set_field(qpc_mask->byte_148_raq, V2_QPC_BYTE_148_RQ_MSN_M, | |
3301 | V2_QPC_BYTE_148_RQ_MSN_S, 0); | |
3302 | roce_set_field(qpc_mask->byte_148_raq, V2_QPC_BYTE_148_RAQ_SYNDROME_M, | |
3303 | V2_QPC_BYTE_148_RAQ_SYNDROME_S, 0); | |
3304 | ||
3305 | roce_set_field(qpc_mask->byte_152_raq, V2_QPC_BYTE_152_RAQ_PSN_M, | |
3306 | V2_QPC_BYTE_152_RAQ_PSN_S, 0); | |
3307 | roce_set_field(qpc_mask->byte_152_raq, | |
3308 | V2_QPC_BYTE_152_RAQ_TRRL_RTY_HEAD_M, | |
3309 | V2_QPC_BYTE_152_RAQ_TRRL_RTY_HEAD_S, 0); | |
3310 | ||
3311 | roce_set_field(qpc_mask->byte_156_raq, V2_QPC_BYTE_156_RAQ_USE_PKTN_M, | |
3312 | V2_QPC_BYTE_156_RAQ_USE_PKTN_S, 0); | |
3313 | ||
3314 | roce_set_field(qpc_mask->byte_160_sq_ci_pi, | |
3315 | V2_QPC_BYTE_160_SQ_PRODUCER_IDX_M, | |
3316 | V2_QPC_BYTE_160_SQ_PRODUCER_IDX_S, 0); | |
3317 | roce_set_field(qpc_mask->byte_160_sq_ci_pi, | |
3318 | V2_QPC_BYTE_160_SQ_CONSUMER_IDX_M, | |
3319 | V2_QPC_BYTE_160_SQ_CONSUMER_IDX_S, 0); | |
3320 | ||
2362ccee LO |
3321 | roce_set_bit(qpc_mask->byte_168_irrl_idx, |
3322 | V2_QPC_BYTE_168_POLL_DB_WAIT_DO_S, 0); | |
3323 | roce_set_bit(qpc_mask->byte_168_irrl_idx, | |
3324 | V2_QPC_BYTE_168_SCC_TOKEN_FORBID_SQ_DEQ_S, 0); | |
3325 | roce_set_bit(qpc_mask->byte_168_irrl_idx, | |
3326 | V2_QPC_BYTE_168_WAIT_ACK_TIMEOUT_S, 0); | |
926a01dc WHX |
3327 | roce_set_bit(qpc_mask->byte_168_irrl_idx, |
3328 | V2_QPC_BYTE_168_MSG_RTY_LP_FLG_S, 0); | |
b5fddb7c | 3329 | roce_set_bit(qpc_mask->byte_168_irrl_idx, |
3330 | V2_QPC_BYTE_168_SQ_INVLD_FLG_S, 0); | |
926a01dc WHX |
3331 | roce_set_field(qpc_mask->byte_168_irrl_idx, |
3332 | V2_QPC_BYTE_168_IRRL_IDX_LSB_M, | |
3333 | V2_QPC_BYTE_168_IRRL_IDX_LSB_S, 0); | |
3334 | ||
3335 | roce_set_field(context->byte_172_sq_psn, V2_QPC_BYTE_172_ACK_REQ_FREQ_M, | |
3336 | V2_QPC_BYTE_172_ACK_REQ_FREQ_S, 4); | |
3337 | roce_set_field(qpc_mask->byte_172_sq_psn, | |
3338 | V2_QPC_BYTE_172_ACK_REQ_FREQ_M, | |
3339 | V2_QPC_BYTE_172_ACK_REQ_FREQ_S, 0); | |
3340 | ||
3341 | roce_set_bit(qpc_mask->byte_172_sq_psn, V2_QPC_BYTE_172_MSG_RNR_FLG_S, | |
3342 | 0); | |
3343 | ||
68a997c5 YL |
3344 | roce_set_bit(context->byte_172_sq_psn, V2_QPC_BYTE_172_FRE_S, 1); |
3345 | roce_set_bit(qpc_mask->byte_172_sq_psn, V2_QPC_BYTE_172_FRE_S, 0); | |
3346 | ||
926a01dc WHX |
3347 | roce_set_field(qpc_mask->byte_176_msg_pktn, |
3348 | V2_QPC_BYTE_176_MSG_USE_PKTN_M, | |
3349 | V2_QPC_BYTE_176_MSG_USE_PKTN_S, 0); | |
3350 | roce_set_field(qpc_mask->byte_176_msg_pktn, | |
3351 | V2_QPC_BYTE_176_IRRL_HEAD_PRE_M, | |
3352 | V2_QPC_BYTE_176_IRRL_HEAD_PRE_S, 0); | |
3353 | ||
3354 | roce_set_field(qpc_mask->byte_184_irrl_idx, | |
3355 | V2_QPC_BYTE_184_IRRL_IDX_MSB_M, | |
3356 | V2_QPC_BYTE_184_IRRL_IDX_MSB_S, 0); | |
3357 | ||
3358 | qpc_mask->cur_sge_offset = 0; | |
3359 | ||
3360 | roce_set_field(qpc_mask->byte_192_ext_sge, | |
3361 | V2_QPC_BYTE_192_CUR_SGE_IDX_M, | |
3362 | V2_QPC_BYTE_192_CUR_SGE_IDX_S, 0); | |
3363 | roce_set_field(qpc_mask->byte_192_ext_sge, | |
3364 | V2_QPC_BYTE_192_EXT_SGE_NUM_LEFT_M, | |
3365 | V2_QPC_BYTE_192_EXT_SGE_NUM_LEFT_S, 0); | |
3366 | ||
3367 | roce_set_field(qpc_mask->byte_196_sq_psn, V2_QPC_BYTE_196_IRRL_HEAD_M, | |
3368 | V2_QPC_BYTE_196_IRRL_HEAD_S, 0); | |
3369 | ||
3370 | roce_set_field(qpc_mask->byte_200_sq_max, V2_QPC_BYTE_200_SQ_MAX_IDX_M, | |
3371 | V2_QPC_BYTE_200_SQ_MAX_IDX_S, 0); | |
3372 | roce_set_field(qpc_mask->byte_200_sq_max, | |
3373 | V2_QPC_BYTE_200_LCL_OPERATED_CNT_M, | |
3374 | V2_QPC_BYTE_200_LCL_OPERATED_CNT_S, 0); | |
3375 | ||
3376 | roce_set_bit(qpc_mask->byte_208_irrl, V2_QPC_BYTE_208_PKT_RNR_FLG_S, 0); | |
3377 | roce_set_bit(qpc_mask->byte_208_irrl, V2_QPC_BYTE_208_PKT_RTY_FLG_S, 0); | |
3378 | ||
3379 | roce_set_field(qpc_mask->byte_212_lsn, V2_QPC_BYTE_212_CHECK_FLG_M, | |
3380 | V2_QPC_BYTE_212_CHECK_FLG_S, 0); | |
3381 | ||
3382 | qpc_mask->sq_timer = 0; | |
3383 | ||
3384 | roce_set_field(qpc_mask->byte_220_retry_psn_msn, | |
3385 | V2_QPC_BYTE_220_RETRY_MSG_MSN_M, | |
3386 | V2_QPC_BYTE_220_RETRY_MSG_MSN_S, 0); | |
3387 | roce_set_field(qpc_mask->byte_232_irrl_sge, | |
3388 | V2_QPC_BYTE_232_IRRL_SGE_IDX_M, | |
3389 | V2_QPC_BYTE_232_IRRL_SGE_IDX_S, 0); | |
3390 | ||
2362ccee LO |
3391 | roce_set_bit(qpc_mask->byte_232_irrl_sge, V2_QPC_BYTE_232_SO_LP_VLD_S, |
3392 | 0); | |
3393 | roce_set_bit(qpc_mask->byte_232_irrl_sge, | |
3394 | V2_QPC_BYTE_232_FENCE_LP_VLD_S, 0); | |
3395 | roce_set_bit(qpc_mask->byte_232_irrl_sge, V2_QPC_BYTE_232_IRRL_LP_VLD_S, | |
3396 | 0); | |
3397 | ||
926a01dc WHX |
3398 | qpc_mask->irrl_cur_sge_offset = 0; |
3399 | ||
3400 | roce_set_field(qpc_mask->byte_240_irrl_tail, | |
3401 | V2_QPC_BYTE_240_IRRL_TAIL_REAL_M, | |
3402 | V2_QPC_BYTE_240_IRRL_TAIL_REAL_S, 0); | |
3403 | roce_set_field(qpc_mask->byte_240_irrl_tail, | |
3404 | V2_QPC_BYTE_240_IRRL_TAIL_RD_M, | |
3405 | V2_QPC_BYTE_240_IRRL_TAIL_RD_S, 0); | |
3406 | roce_set_field(qpc_mask->byte_240_irrl_tail, | |
3407 | V2_QPC_BYTE_240_RX_ACK_MSN_M, | |
3408 | V2_QPC_BYTE_240_RX_ACK_MSN_S, 0); | |
3409 | ||
3410 | roce_set_field(qpc_mask->byte_248_ack_psn, V2_QPC_BYTE_248_IRRL_PSN_M, | |
3411 | V2_QPC_BYTE_248_IRRL_PSN_S, 0); | |
3412 | roce_set_bit(qpc_mask->byte_248_ack_psn, V2_QPC_BYTE_248_ACK_PSN_ERR_S, | |
3413 | 0); | |
3414 | roce_set_field(qpc_mask->byte_248_ack_psn, | |
3415 | V2_QPC_BYTE_248_ACK_LAST_OPTYPE_M, | |
3416 | V2_QPC_BYTE_248_ACK_LAST_OPTYPE_S, 0); | |
3417 | roce_set_bit(qpc_mask->byte_248_ack_psn, V2_QPC_BYTE_248_IRRL_PSN_VLD_S, | |
3418 | 0); | |
3419 | roce_set_bit(qpc_mask->byte_248_ack_psn, | |
3420 | V2_QPC_BYTE_248_RNR_RETRY_FLAG_S, 0); | |
3421 | roce_set_bit(qpc_mask->byte_248_ack_psn, V2_QPC_BYTE_248_CQ_ERR_IND_S, | |
3422 | 0); | |
3423 | ||
3424 | hr_qp->access_flags = attr->qp_access_flags; | |
926a01dc WHX |
3425 | roce_set_field(context->byte_252_err_txcqn, V2_QPC_BYTE_252_TX_CQN_M, |
3426 | V2_QPC_BYTE_252_TX_CQN_S, to_hr_cq(ibqp->send_cq)->cqn); | |
3427 | roce_set_field(qpc_mask->byte_252_err_txcqn, V2_QPC_BYTE_252_TX_CQN_M, | |
3428 | V2_QPC_BYTE_252_TX_CQN_S, 0); | |
3429 | ||
3430 | roce_set_field(qpc_mask->byte_252_err_txcqn, V2_QPC_BYTE_252_ERR_TYPE_M, | |
3431 | V2_QPC_BYTE_252_ERR_TYPE_S, 0); | |
3432 | ||
3433 | roce_set_field(qpc_mask->byte_256_sqflush_rqcqe, | |
3434 | V2_QPC_BYTE_256_RQ_CQE_IDX_M, | |
3435 | V2_QPC_BYTE_256_RQ_CQE_IDX_S, 0); | |
3436 | roce_set_field(qpc_mask->byte_256_sqflush_rqcqe, | |
3437 | V2_QPC_BYTE_256_SQ_FLUSH_IDX_M, | |
3438 | V2_QPC_BYTE_256_SQ_FLUSH_IDX_S, 0); | |
3439 | } | |
3440 | ||
3441 | static void modify_qp_init_to_init(struct ib_qp *ibqp, | |
3442 | const struct ib_qp_attr *attr, int attr_mask, | |
3443 | struct hns_roce_v2_qp_context *context, | |
3444 | struct hns_roce_v2_qp_context *qpc_mask) | |
3445 | { | |
3446 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
3447 | ||
3448 | /* | |
3449 | * In v2 engine, software pass context and context mask to hardware | |
3450 | * when modifying qp. If software need modify some fields in context, | |
3451 | * we should set all bits of the relevant fields in context mask to | |
3452 | * 0 at the same time, else set them to 0x1. | |
3453 | */ | |
3454 | roce_set_field(context->byte_4_sqpn_tst, V2_QPC_BYTE_4_TST_M, | |
3455 | V2_QPC_BYTE_4_TST_S, to_hr_qp_type(hr_qp->ibqp.qp_type)); | |
3456 | roce_set_field(qpc_mask->byte_4_sqpn_tst, V2_QPC_BYTE_4_TST_M, | |
3457 | V2_QPC_BYTE_4_TST_S, 0); | |
3458 | ||
0fa95a9a | 3459 | if (ibqp->qp_type == IB_QPT_GSI) |
3460 | roce_set_field(context->byte_4_sqpn_tst, | |
3461 | V2_QPC_BYTE_4_SGE_SHIFT_M, | |
3462 | V2_QPC_BYTE_4_SGE_SHIFT_S, | |
3463 | ilog2((unsigned int)hr_qp->sge.sge_cnt)); | |
3464 | else | |
3465 | roce_set_field(context->byte_4_sqpn_tst, | |
3466 | V2_QPC_BYTE_4_SGE_SHIFT_M, | |
2a3d923f LO |
3467 | V2_QPC_BYTE_4_SGE_SHIFT_S, |
3468 | hr_qp->sq.max_gs > | |
3469 | HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE ? | |
0fa95a9a | 3470 | ilog2((unsigned int)hr_qp->sge.sge_cnt) : 0); |
3471 | ||
926a01dc WHX |
3472 | roce_set_field(qpc_mask->byte_4_sqpn_tst, V2_QPC_BYTE_4_SGE_SHIFT_M, |
3473 | V2_QPC_BYTE_4_SGE_SHIFT_S, 0); | |
3474 | ||
3475 | if (attr_mask & IB_QP_ACCESS_FLAGS) { | |
3476 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RRE_S, | |
3477 | !!(attr->qp_access_flags & IB_ACCESS_REMOTE_READ)); | |
3478 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_RRE_S, | |
3479 | 0); | |
3480 | ||
3481 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RWE_S, | |
3482 | !!(attr->qp_access_flags & | |
3483 | IB_ACCESS_REMOTE_WRITE)); | |
3484 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_RWE_S, | |
3485 | 0); | |
3486 | ||
3487 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_ATE_S, | |
3488 | !!(attr->qp_access_flags & | |
3489 | IB_ACCESS_REMOTE_ATOMIC)); | |
3490 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_ATE_S, | |
3491 | 0); | |
3492 | } else { | |
3493 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RRE_S, | |
3494 | !!(hr_qp->access_flags & IB_ACCESS_REMOTE_READ)); | |
3495 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_RRE_S, | |
3496 | 0); | |
3497 | ||
3498 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RWE_S, | |
3499 | !!(hr_qp->access_flags & IB_ACCESS_REMOTE_WRITE)); | |
3500 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_RWE_S, | |
3501 | 0); | |
3502 | ||
3503 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_ATE_S, | |
3504 | !!(hr_qp->access_flags & IB_ACCESS_REMOTE_ATOMIC)); | |
3505 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_ATE_S, | |
3506 | 0); | |
3507 | } | |
3508 | ||
3509 | roce_set_field(context->byte_20_smac_sgid_idx, | |
3510 | V2_QPC_BYTE_20_SQ_SHIFT_M, V2_QPC_BYTE_20_SQ_SHIFT_S, | |
3511 | ilog2((unsigned int)hr_qp->sq.wqe_cnt)); | |
3512 | roce_set_field(qpc_mask->byte_20_smac_sgid_idx, | |
3513 | V2_QPC_BYTE_20_SQ_SHIFT_M, V2_QPC_BYTE_20_SQ_SHIFT_S, 0); | |
3514 | ||
3515 | roce_set_field(context->byte_20_smac_sgid_idx, | |
3516 | V2_QPC_BYTE_20_RQ_SHIFT_M, V2_QPC_BYTE_20_RQ_SHIFT_S, | |
c7bcb134 LO |
3517 | (hr_qp->ibqp.qp_type == IB_QPT_XRC_INI || |
3518 | hr_qp->ibqp.qp_type == IB_QPT_XRC_TGT || ibqp->srq) ? 0 : | |
926a01dc WHX |
3519 | ilog2((unsigned int)hr_qp->rq.wqe_cnt)); |
3520 | roce_set_field(qpc_mask->byte_20_smac_sgid_idx, | |
3521 | V2_QPC_BYTE_20_RQ_SHIFT_M, V2_QPC_BYTE_20_RQ_SHIFT_S, 0); | |
3522 | ||
3523 | roce_set_field(context->byte_16_buf_ba_pg_sz, V2_QPC_BYTE_16_PD_M, | |
3524 | V2_QPC_BYTE_16_PD_S, to_hr_pd(ibqp->pd)->pdn); | |
3525 | roce_set_field(qpc_mask->byte_16_buf_ba_pg_sz, V2_QPC_BYTE_16_PD_M, | |
3526 | V2_QPC_BYTE_16_PD_S, 0); | |
3527 | ||
3528 | roce_set_field(context->byte_80_rnr_rx_cqn, V2_QPC_BYTE_80_RX_CQN_M, | |
3529 | V2_QPC_BYTE_80_RX_CQN_S, to_hr_cq(ibqp->recv_cq)->cqn); | |
3530 | roce_set_field(qpc_mask->byte_80_rnr_rx_cqn, V2_QPC_BYTE_80_RX_CQN_M, | |
3531 | V2_QPC_BYTE_80_RX_CQN_S, 0); | |
3532 | ||
3533 | roce_set_field(context->byte_252_err_txcqn, V2_QPC_BYTE_252_TX_CQN_M, | |
6d13b869 | 3534 | V2_QPC_BYTE_252_TX_CQN_S, to_hr_cq(ibqp->send_cq)->cqn); |
926a01dc WHX |
3535 | roce_set_field(qpc_mask->byte_252_err_txcqn, V2_QPC_BYTE_252_TX_CQN_M, |
3536 | V2_QPC_BYTE_252_TX_CQN_S, 0); | |
3537 | ||
3538 | if (ibqp->srq) { | |
3539 | roce_set_bit(context->byte_76_srqn_op_en, | |
3540 | V2_QPC_BYTE_76_SRQ_EN_S, 1); | |
3541 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, | |
3542 | V2_QPC_BYTE_76_SRQ_EN_S, 0); | |
3543 | roce_set_field(context->byte_76_srqn_op_en, | |
3544 | V2_QPC_BYTE_76_SRQN_M, V2_QPC_BYTE_76_SRQN_S, | |
3545 | to_hr_srq(ibqp->srq)->srqn); | |
3546 | roce_set_field(qpc_mask->byte_76_srqn_op_en, | |
3547 | V2_QPC_BYTE_76_SRQN_M, V2_QPC_BYTE_76_SRQN_S, 0); | |
3548 | } | |
3549 | ||
926a01dc WHX |
3550 | roce_set_field(context->byte_4_sqpn_tst, V2_QPC_BYTE_4_SQPN_M, |
3551 | V2_QPC_BYTE_4_SQPN_S, hr_qp->qpn); | |
3552 | roce_set_field(qpc_mask->byte_4_sqpn_tst, V2_QPC_BYTE_4_SQPN_M, | |
3553 | V2_QPC_BYTE_4_SQPN_S, 0); | |
3554 | ||
b6dd9b34 | 3555 | if (attr_mask & IB_QP_DEST_QPN) { |
3556 | roce_set_field(context->byte_56_dqpn_err, V2_QPC_BYTE_56_DQPN_M, | |
3557 | V2_QPC_BYTE_56_DQPN_S, hr_qp->qpn); | |
3558 | roce_set_field(qpc_mask->byte_56_dqpn_err, | |
3559 | V2_QPC_BYTE_56_DQPN_M, V2_QPC_BYTE_56_DQPN_S, 0); | |
3560 | } | |
926a01dc WHX |
3561 | } |
3562 | ||
8d18ad83 LO |
3563 | static bool check_wqe_rq_mtt_count(struct hns_roce_dev *hr_dev, |
3564 | struct hns_roce_qp *hr_qp, int mtt_cnt, | |
3565 | u32 page_size) | |
3566 | { | |
3567 | struct device *dev = hr_dev->dev; | |
3568 | ||
3569 | if (hr_qp->rq.wqe_cnt < 1) | |
3570 | return true; | |
3571 | ||
3572 | if (mtt_cnt < 1) { | |
3573 | dev_err(dev, "qp(0x%lx) rqwqe buf ba find failed\n", | |
3574 | hr_qp->qpn); | |
3575 | return false; | |
3576 | } | |
3577 | ||
3578 | if (mtt_cnt < MTT_MIN_COUNT && | |
3579 | (hr_qp->rq.offset + page_size) < hr_qp->buff_size) { | |
3580 | dev_err(dev, "qp(0x%lx) next rqwqe buf ba find failed\n", | |
3581 | hr_qp->qpn); | |
3582 | return false; | |
3583 | } | |
3584 | ||
3585 | return true; | |
3586 | } | |
3587 | ||
926a01dc WHX |
3588 | static int modify_qp_init_to_rtr(struct ib_qp *ibqp, |
3589 | const struct ib_qp_attr *attr, int attr_mask, | |
3590 | struct hns_roce_v2_qp_context *context, | |
3591 | struct hns_roce_v2_qp_context *qpc_mask) | |
3592 | { | |
3593 | const struct ib_global_route *grh = rdma_ah_read_grh(&attr->ah_attr); | |
3594 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
3595 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
3596 | struct device *dev = hr_dev->dev; | |
8d18ad83 | 3597 | u64 mtts[MTT_MIN_COUNT] = { 0 }; |
e92f2c18 | 3598 | dma_addr_t dma_handle_3; |
926a01dc | 3599 | dma_addr_t dma_handle_2; |
8d18ad83 | 3600 | u64 wqe_sge_ba; |
926a01dc WHX |
3601 | u32 page_size; |
3602 | u8 port_num; | |
e92f2c18 | 3603 | u64 *mtts_3; |
926a01dc | 3604 | u64 *mtts_2; |
8d18ad83 | 3605 | int count; |
926a01dc WHX |
3606 | u8 *dmac; |
3607 | u8 *smac; | |
3608 | int port; | |
3609 | ||
3610 | /* Search qp buf's mtts */ | |
8d18ad83 LO |
3611 | page_size = 1 << (hr_dev->caps.mtt_buf_pg_sz + PAGE_SHIFT); |
3612 | count = hns_roce_mtr_find(hr_dev, &hr_qp->mtr, | |
3613 | hr_qp->rq.offset / page_size, mtts, | |
3614 | MTT_MIN_COUNT, &wqe_sge_ba); | |
3615 | if (!ibqp->srq) | |
3616 | if (!check_wqe_rq_mtt_count(hr_dev, hr_qp, count, page_size)) | |
3617 | return -EINVAL; | |
926a01dc WHX |
3618 | |
3619 | /* Search IRRL's mtts */ | |
3620 | mtts_2 = hns_roce_table_find(hr_dev, &hr_dev->qp_table.irrl_table, | |
3621 | hr_qp->qpn, &dma_handle_2); | |
3622 | if (!mtts_2) { | |
3623 | dev_err(dev, "qp irrl_table find failed\n"); | |
3624 | return -EINVAL; | |
3625 | } | |
3626 | ||
e92f2c18 | 3627 | /* Search TRRL's mtts */ |
3628 | mtts_3 = hns_roce_table_find(hr_dev, &hr_dev->qp_table.trrl_table, | |
3629 | hr_qp->qpn, &dma_handle_3); | |
3630 | if (!mtts_3) { | |
3631 | dev_err(dev, "qp trrl_table find failed\n"); | |
3632 | return -EINVAL; | |
3633 | } | |
3634 | ||
734f3863 | 3635 | if (attr_mask & IB_QP_ALT_PATH) { |
926a01dc WHX |
3636 | dev_err(dev, "INIT2RTR attr_mask (0x%x) error\n", attr_mask); |
3637 | return -EINVAL; | |
3638 | } | |
3639 | ||
3640 | dmac = (u8 *)attr->ah_attr.roce.dmac; | |
8d18ad83 | 3641 | context->wqe_sge_ba = (u32)(wqe_sge_ba >> 3); |
926a01dc WHX |
3642 | qpc_mask->wqe_sge_ba = 0; |
3643 | ||
3644 | /* | |
3645 | * In v2 engine, software pass context and context mask to hardware | |
3646 | * when modifying qp. If software need modify some fields in context, | |
3647 | * we should set all bits of the relevant fields in context mask to | |
3648 | * 0 at the same time, else set them to 0x1. | |
3649 | */ | |
3650 | roce_set_field(context->byte_12_sq_hop, V2_QPC_BYTE_12_WQE_SGE_BA_M, | |
8d18ad83 | 3651 | V2_QPC_BYTE_12_WQE_SGE_BA_S, wqe_sge_ba >> (32 + 3)); |
926a01dc WHX |
3652 | roce_set_field(qpc_mask->byte_12_sq_hop, V2_QPC_BYTE_12_WQE_SGE_BA_M, |
3653 | V2_QPC_BYTE_12_WQE_SGE_BA_S, 0); | |
3654 | ||
3655 | roce_set_field(context->byte_12_sq_hop, V2_QPC_BYTE_12_SQ_HOP_NUM_M, | |
3656 | V2_QPC_BYTE_12_SQ_HOP_NUM_S, | |
8d18ad83 LO |
3657 | hr_dev->caps.wqe_sq_hop_num == HNS_ROCE_HOP_NUM_0 ? |
3658 | 0 : hr_dev->caps.wqe_sq_hop_num); | |
926a01dc WHX |
3659 | roce_set_field(qpc_mask->byte_12_sq_hop, V2_QPC_BYTE_12_SQ_HOP_NUM_M, |
3660 | V2_QPC_BYTE_12_SQ_HOP_NUM_S, 0); | |
3661 | ||
3662 | roce_set_field(context->byte_20_smac_sgid_idx, | |
3663 | V2_QPC_BYTE_20_SGE_HOP_NUM_M, | |
3664 | V2_QPC_BYTE_20_SGE_HOP_NUM_S, | |
8d18ad83 LO |
3665 | ((ibqp->qp_type == IB_QPT_GSI) || |
3666 | hr_qp->sq.max_gs > HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE) ? | |
3667 | hr_dev->caps.wqe_sge_hop_num : 0); | |
926a01dc WHX |
3668 | roce_set_field(qpc_mask->byte_20_smac_sgid_idx, |
3669 | V2_QPC_BYTE_20_SGE_HOP_NUM_M, | |
3670 | V2_QPC_BYTE_20_SGE_HOP_NUM_S, 0); | |
3671 | ||
3672 | roce_set_field(context->byte_20_smac_sgid_idx, | |
3673 | V2_QPC_BYTE_20_RQ_HOP_NUM_M, | |
3674 | V2_QPC_BYTE_20_RQ_HOP_NUM_S, | |
8d18ad83 LO |
3675 | hr_dev->caps.wqe_rq_hop_num == HNS_ROCE_HOP_NUM_0 ? |
3676 | 0 : hr_dev->caps.wqe_rq_hop_num); | |
926a01dc WHX |
3677 | roce_set_field(qpc_mask->byte_20_smac_sgid_idx, |
3678 | V2_QPC_BYTE_20_RQ_HOP_NUM_M, | |
3679 | V2_QPC_BYTE_20_RQ_HOP_NUM_S, 0); | |
3680 | ||
3681 | roce_set_field(context->byte_16_buf_ba_pg_sz, | |
3682 | V2_QPC_BYTE_16_WQE_SGE_BA_PG_SZ_M, | |
3683 | V2_QPC_BYTE_16_WQE_SGE_BA_PG_SZ_S, | |
8d18ad83 | 3684 | hr_qp->wqe_bt_pg_shift + PG_SHIFT_OFFSET); |
926a01dc WHX |
3685 | roce_set_field(qpc_mask->byte_16_buf_ba_pg_sz, |
3686 | V2_QPC_BYTE_16_WQE_SGE_BA_PG_SZ_M, | |
3687 | V2_QPC_BYTE_16_WQE_SGE_BA_PG_SZ_S, 0); | |
3688 | ||
3689 | roce_set_field(context->byte_16_buf_ba_pg_sz, | |
3690 | V2_QPC_BYTE_16_WQE_SGE_BUF_PG_SZ_M, | |
3691 | V2_QPC_BYTE_16_WQE_SGE_BUF_PG_SZ_S, | |
5e6e78db | 3692 | hr_dev->caps.mtt_buf_pg_sz + PG_SHIFT_OFFSET); |
926a01dc WHX |
3693 | roce_set_field(qpc_mask->byte_16_buf_ba_pg_sz, |
3694 | V2_QPC_BYTE_16_WQE_SGE_BUF_PG_SZ_M, | |
3695 | V2_QPC_BYTE_16_WQE_SGE_BUF_PG_SZ_S, 0); | |
3696 | ||
8d18ad83 | 3697 | context->rq_cur_blk_addr = (u32)(mtts[0] >> PAGE_ADDR_SHIFT); |
926a01dc WHX |
3698 | qpc_mask->rq_cur_blk_addr = 0; |
3699 | ||
3700 | roce_set_field(context->byte_92_srq_info, | |
3701 | V2_QPC_BYTE_92_RQ_CUR_BLK_ADDR_M, | |
3702 | V2_QPC_BYTE_92_RQ_CUR_BLK_ADDR_S, | |
8d18ad83 | 3703 | mtts[0] >> (32 + PAGE_ADDR_SHIFT)); |
926a01dc WHX |
3704 | roce_set_field(qpc_mask->byte_92_srq_info, |
3705 | V2_QPC_BYTE_92_RQ_CUR_BLK_ADDR_M, | |
3706 | V2_QPC_BYTE_92_RQ_CUR_BLK_ADDR_S, 0); | |
3707 | ||
8d18ad83 | 3708 | context->rq_nxt_blk_addr = (u32)(mtts[1] >> PAGE_ADDR_SHIFT); |
926a01dc WHX |
3709 | qpc_mask->rq_nxt_blk_addr = 0; |
3710 | ||
3711 | roce_set_field(context->byte_104_rq_sge, | |
3712 | V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_M, | |
3713 | V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_S, | |
8d18ad83 | 3714 | mtts[1] >> (32 + PAGE_ADDR_SHIFT)); |
926a01dc WHX |
3715 | roce_set_field(qpc_mask->byte_104_rq_sge, |
3716 | V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_M, | |
3717 | V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_S, 0); | |
3718 | ||
e92f2c18 | 3719 | roce_set_field(context->byte_132_trrl, V2_QPC_BYTE_132_TRRL_BA_M, |
3720 | V2_QPC_BYTE_132_TRRL_BA_S, dma_handle_3 >> 4); | |
3721 | roce_set_field(qpc_mask->byte_132_trrl, V2_QPC_BYTE_132_TRRL_BA_M, | |
3722 | V2_QPC_BYTE_132_TRRL_BA_S, 0); | |
3723 | context->trrl_ba = (u32)(dma_handle_3 >> (16 + 4)); | |
3724 | qpc_mask->trrl_ba = 0; | |
3725 | roce_set_field(context->byte_140_raq, V2_QPC_BYTE_140_TRRL_BA_M, | |
3726 | V2_QPC_BYTE_140_TRRL_BA_S, | |
3727 | (u32)(dma_handle_3 >> (32 + 16 + 4))); | |
3728 | roce_set_field(qpc_mask->byte_140_raq, V2_QPC_BYTE_140_TRRL_BA_M, | |
3729 | V2_QPC_BYTE_140_TRRL_BA_S, 0); | |
3730 | ||
d5514246 | 3731 | context->irrl_ba = (u32)(dma_handle_2 >> 6); |
926a01dc WHX |
3732 | qpc_mask->irrl_ba = 0; |
3733 | roce_set_field(context->byte_208_irrl, V2_QPC_BYTE_208_IRRL_BA_M, | |
3734 | V2_QPC_BYTE_208_IRRL_BA_S, | |
d5514246 | 3735 | dma_handle_2 >> (32 + 6)); |
926a01dc WHX |
3736 | roce_set_field(qpc_mask->byte_208_irrl, V2_QPC_BYTE_208_IRRL_BA_M, |
3737 | V2_QPC_BYTE_208_IRRL_BA_S, 0); | |
3738 | ||
3739 | roce_set_bit(context->byte_208_irrl, V2_QPC_BYTE_208_RMT_E2E_S, 1); | |
3740 | roce_set_bit(qpc_mask->byte_208_irrl, V2_QPC_BYTE_208_RMT_E2E_S, 0); | |
3741 | ||
3742 | roce_set_bit(context->byte_252_err_txcqn, V2_QPC_BYTE_252_SIG_TYPE_S, | |
3743 | hr_qp->sq_signal_bits); | |
3744 | roce_set_bit(qpc_mask->byte_252_err_txcqn, V2_QPC_BYTE_252_SIG_TYPE_S, | |
3745 | 0); | |
3746 | ||
3747 | port = (attr_mask & IB_QP_PORT) ? (attr->port_num - 1) : hr_qp->port; | |
3748 | ||
3749 | smac = (u8 *)hr_dev->dev_addr[port]; | |
3750 | /* when dmac equals smac or loop_idc is 1, it should loopback */ | |
3751 | if (ether_addr_equal_unaligned(dmac, smac) || | |
3752 | hr_dev->loop_idc == 0x1) { | |
3753 | roce_set_bit(context->byte_28_at_fl, V2_QPC_BYTE_28_LBI_S, 1); | |
3754 | roce_set_bit(qpc_mask->byte_28_at_fl, V2_QPC_BYTE_28_LBI_S, 0); | |
3755 | } | |
3756 | ||
b6dd9b34 | 3757 | if (attr_mask & IB_QP_DEST_QPN) { |
3758 | roce_set_field(context->byte_56_dqpn_err, V2_QPC_BYTE_56_DQPN_M, | |
3759 | V2_QPC_BYTE_56_DQPN_S, attr->dest_qp_num); | |
3760 | roce_set_field(qpc_mask->byte_56_dqpn_err, | |
3761 | V2_QPC_BYTE_56_DQPN_M, V2_QPC_BYTE_56_DQPN_S, 0); | |
3762 | } | |
926a01dc WHX |
3763 | |
3764 | /* Configure GID index */ | |
3765 | port_num = rdma_ah_get_port_num(&attr->ah_attr); | |
3766 | roce_set_field(context->byte_20_smac_sgid_idx, | |
3767 | V2_QPC_BYTE_20_SGID_IDX_M, | |
3768 | V2_QPC_BYTE_20_SGID_IDX_S, | |
3769 | hns_get_gid_index(hr_dev, port_num - 1, | |
3770 | grh->sgid_index)); | |
3771 | roce_set_field(qpc_mask->byte_20_smac_sgid_idx, | |
3772 | V2_QPC_BYTE_20_SGID_IDX_M, | |
3773 | V2_QPC_BYTE_20_SGID_IDX_S, 0); | |
2a3d923f | 3774 | memcpy(&(context->dmac), dmac, sizeof(u32)); |
926a01dc WHX |
3775 | roce_set_field(context->byte_52_udpspn_dmac, V2_QPC_BYTE_52_DMAC_M, |
3776 | V2_QPC_BYTE_52_DMAC_S, *((u16 *)(&dmac[4]))); | |
3777 | qpc_mask->dmac = 0; | |
3778 | roce_set_field(qpc_mask->byte_52_udpspn_dmac, V2_QPC_BYTE_52_DMAC_M, | |
3779 | V2_QPC_BYTE_52_DMAC_S, 0); | |
3780 | ||
2a3d923f | 3781 | /* mtu*(2^LP_PKTN_INI) should not bigger than 1 message length 64kb */ |
926a01dc WHX |
3782 | roce_set_field(context->byte_56_dqpn_err, V2_QPC_BYTE_56_LP_PKTN_INI_M, |
3783 | V2_QPC_BYTE_56_LP_PKTN_INI_S, 4); | |
3784 | roce_set_field(qpc_mask->byte_56_dqpn_err, V2_QPC_BYTE_56_LP_PKTN_INI_M, | |
3785 | V2_QPC_BYTE_56_LP_PKTN_INI_S, 0); | |
3786 | ||
0fa95a9a | 3787 | if (ibqp->qp_type == IB_QPT_GSI || ibqp->qp_type == IB_QPT_UD) |
3788 | roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_MTU_M, | |
3789 | V2_QPC_BYTE_24_MTU_S, IB_MTU_4096); | |
6852af86 | 3790 | else if (attr_mask & IB_QP_PATH_MTU) |
0fa95a9a | 3791 | roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_MTU_M, |
3792 | V2_QPC_BYTE_24_MTU_S, attr->path_mtu); | |
3793 | ||
926a01dc WHX |
3794 | roce_set_field(qpc_mask->byte_24_mtu_tc, V2_QPC_BYTE_24_MTU_M, |
3795 | V2_QPC_BYTE_24_MTU_S, 0); | |
3796 | ||
926a01dc WHX |
3797 | roce_set_field(context->byte_84_rq_ci_pi, |
3798 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_M, | |
3799 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_S, hr_qp->rq.head); | |
3800 | roce_set_field(qpc_mask->byte_84_rq_ci_pi, | |
3801 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_M, | |
3802 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_S, 0); | |
3803 | ||
3804 | roce_set_field(qpc_mask->byte_84_rq_ci_pi, | |
3805 | V2_QPC_BYTE_84_RQ_CONSUMER_IDX_M, | |
3806 | V2_QPC_BYTE_84_RQ_CONSUMER_IDX_S, 0); | |
3807 | roce_set_bit(qpc_mask->byte_108_rx_reqepsn, | |
3808 | V2_QPC_BYTE_108_RX_REQ_PSN_ERR_S, 0); | |
3809 | roce_set_field(qpc_mask->byte_96_rx_reqmsn, V2_QPC_BYTE_96_RX_REQ_MSN_M, | |
3810 | V2_QPC_BYTE_96_RX_REQ_MSN_S, 0); | |
3811 | roce_set_field(qpc_mask->byte_108_rx_reqepsn, | |
3812 | V2_QPC_BYTE_108_RX_REQ_LAST_OPTYPE_M, | |
3813 | V2_QPC_BYTE_108_RX_REQ_LAST_OPTYPE_S, 0); | |
3814 | ||
3815 | context->rq_rnr_timer = 0; | |
3816 | qpc_mask->rq_rnr_timer = 0; | |
3817 | ||
926a01dc WHX |
3818 | roce_set_field(qpc_mask->byte_132_trrl, V2_QPC_BYTE_132_TRRL_HEAD_MAX_M, |
3819 | V2_QPC_BYTE_132_TRRL_HEAD_MAX_S, 0); | |
3820 | roce_set_field(qpc_mask->byte_132_trrl, V2_QPC_BYTE_132_TRRL_TAIL_MAX_M, | |
3821 | V2_QPC_BYTE_132_TRRL_TAIL_MAX_S, 0); | |
3822 | ||
2a3d923f | 3823 | /* rocee send 2^lp_sgen_ini segs every time */ |
926a01dc WHX |
3824 | roce_set_field(context->byte_168_irrl_idx, |
3825 | V2_QPC_BYTE_168_LP_SGEN_INI_M, | |
3826 | V2_QPC_BYTE_168_LP_SGEN_INI_S, 3); | |
3827 | roce_set_field(qpc_mask->byte_168_irrl_idx, | |
3828 | V2_QPC_BYTE_168_LP_SGEN_INI_M, | |
3829 | V2_QPC_BYTE_168_LP_SGEN_INI_S, 0); | |
3830 | ||
926a01dc WHX |
3831 | return 0; |
3832 | } | |
3833 | ||
3834 | static int modify_qp_rtr_to_rts(struct ib_qp *ibqp, | |
3835 | const struct ib_qp_attr *attr, int attr_mask, | |
3836 | struct hns_roce_v2_qp_context *context, | |
3837 | struct hns_roce_v2_qp_context *qpc_mask) | |
3838 | { | |
3839 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
3840 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
3841 | struct device *dev = hr_dev->dev; | |
8d18ad83 LO |
3842 | u64 sge_cur_blk = 0; |
3843 | u64 sq_cur_blk = 0; | |
befb63b4 | 3844 | u32 page_size; |
8d18ad83 | 3845 | int count; |
926a01dc WHX |
3846 | |
3847 | /* Search qp buf's mtts */ | |
8d18ad83 LO |
3848 | count = hns_roce_mtr_find(hr_dev, &hr_qp->mtr, 0, &sq_cur_blk, 1, NULL); |
3849 | if (count < 1) { | |
3850 | dev_err(dev, "qp(0x%lx) buf pa find failed\n", hr_qp->qpn); | |
926a01dc WHX |
3851 | return -EINVAL; |
3852 | } | |
3853 | ||
8d18ad83 LO |
3854 | if (hr_qp->sge.offset) { |
3855 | page_size = 1 << (hr_dev->caps.mtt_buf_pg_sz + PAGE_SHIFT); | |
3856 | count = hns_roce_mtr_find(hr_dev, &hr_qp->mtr, | |
3857 | hr_qp->sge.offset / page_size, | |
3858 | &sge_cur_blk, 1, NULL); | |
3859 | if (count < 1) { | |
3860 | dev_err(dev, "qp(0x%lx) sge pa find failed\n", | |
3861 | hr_qp->qpn); | |
3862 | return -EINVAL; | |
3863 | } | |
3864 | } | |
3865 | ||
734f3863 | 3866 | /* Not support alternate path and path migration */ |
3867 | if ((attr_mask & IB_QP_ALT_PATH) || | |
3868 | (attr_mask & IB_QP_PATH_MIG_STATE)) { | |
926a01dc WHX |
3869 | dev_err(dev, "RTR2RTS attr_mask (0x%x)error\n", attr_mask); |
3870 | return -EINVAL; | |
3871 | } | |
3872 | ||
3873 | /* | |
3874 | * In v2 engine, software pass context and context mask to hardware | |
3875 | * when modifying qp. If software need modify some fields in context, | |
3876 | * we should set all bits of the relevant fields in context mask to | |
3877 | * 0 at the same time, else set them to 0x1. | |
3878 | */ | |
8d18ad83 | 3879 | context->sq_cur_blk_addr = (u32)(sq_cur_blk >> PAGE_ADDR_SHIFT); |
926a01dc WHX |
3880 | roce_set_field(context->byte_168_irrl_idx, |
3881 | V2_QPC_BYTE_168_SQ_CUR_BLK_ADDR_M, | |
3882 | V2_QPC_BYTE_168_SQ_CUR_BLK_ADDR_S, | |
8d18ad83 | 3883 | sq_cur_blk >> (32 + PAGE_ADDR_SHIFT)); |
926a01dc WHX |
3884 | qpc_mask->sq_cur_blk_addr = 0; |
3885 | roce_set_field(qpc_mask->byte_168_irrl_idx, | |
3886 | V2_QPC_BYTE_168_SQ_CUR_BLK_ADDR_M, | |
3887 | V2_QPC_BYTE_168_SQ_CUR_BLK_ADDR_S, 0); | |
3888 | ||
2a3d923f LO |
3889 | context->sq_cur_sge_blk_addr = ((ibqp->qp_type == IB_QPT_GSI) || |
3890 | hr_qp->sq.max_gs > HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE) ? | |
8d18ad83 | 3891 | ((u32)(sge_cur_blk >> |
2a3d923f | 3892 | PAGE_ADDR_SHIFT)) : 0; |
befb63b4 | 3893 | roce_set_field(context->byte_184_irrl_idx, |
3894 | V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_M, | |
3895 | V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_S, | |
2a3d923f LO |
3896 | ((ibqp->qp_type == IB_QPT_GSI) || hr_qp->sq.max_gs > |
3897 | HNS_ROCE_V2_UC_RC_SGE_NUM_IN_WQE) ? | |
8d18ad83 | 3898 | (sge_cur_blk >> |
befb63b4 | 3899 | (32 + PAGE_ADDR_SHIFT)) : 0); |
3900 | qpc_mask->sq_cur_sge_blk_addr = 0; | |
3901 | roce_set_field(qpc_mask->byte_184_irrl_idx, | |
3902 | V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_M, | |
3903 | V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_S, 0); | |
3904 | ||
8d18ad83 | 3905 | context->rx_sq_cur_blk_addr = (u32)(sq_cur_blk >> PAGE_ADDR_SHIFT); |
926a01dc WHX |
3906 | roce_set_field(context->byte_232_irrl_sge, |
3907 | V2_QPC_BYTE_232_RX_SQ_CUR_BLK_ADDR_M, | |
3908 | V2_QPC_BYTE_232_RX_SQ_CUR_BLK_ADDR_S, | |
8d18ad83 | 3909 | sq_cur_blk >> (32 + PAGE_ADDR_SHIFT)); |
926a01dc WHX |
3910 | qpc_mask->rx_sq_cur_blk_addr = 0; |
3911 | roce_set_field(qpc_mask->byte_232_irrl_sge, | |
3912 | V2_QPC_BYTE_232_RX_SQ_CUR_BLK_ADDR_M, | |
3913 | V2_QPC_BYTE_232_RX_SQ_CUR_BLK_ADDR_S, 0); | |
3914 | ||
3915 | /* | |
3916 | * Set some fields in context to zero, Because the default values | |
3917 | * of all fields in context are zero, we need not set them to 0 again. | |
3918 | * but we should set the relevant fields of context mask to 0. | |
3919 | */ | |
3920 | roce_set_field(qpc_mask->byte_232_irrl_sge, | |
3921 | V2_QPC_BYTE_232_IRRL_SGE_IDX_M, | |
3922 | V2_QPC_BYTE_232_IRRL_SGE_IDX_S, 0); | |
3923 | ||
3924 | roce_set_field(qpc_mask->byte_240_irrl_tail, | |
3925 | V2_QPC_BYTE_240_RX_ACK_MSN_M, | |
3926 | V2_QPC_BYTE_240_RX_ACK_MSN_S, 0); | |
3927 | ||
926a01dc WHX |
3928 | roce_set_field(qpc_mask->byte_248_ack_psn, |
3929 | V2_QPC_BYTE_248_ACK_LAST_OPTYPE_M, | |
3930 | V2_QPC_BYTE_248_ACK_LAST_OPTYPE_S, 0); | |
3931 | roce_set_bit(qpc_mask->byte_248_ack_psn, | |
3932 | V2_QPC_BYTE_248_IRRL_PSN_VLD_S, 0); | |
3933 | roce_set_field(qpc_mask->byte_248_ack_psn, | |
3934 | V2_QPC_BYTE_248_IRRL_PSN_M, | |
3935 | V2_QPC_BYTE_248_IRRL_PSN_S, 0); | |
3936 | ||
3937 | roce_set_field(qpc_mask->byte_240_irrl_tail, | |
3938 | V2_QPC_BYTE_240_IRRL_TAIL_REAL_M, | |
3939 | V2_QPC_BYTE_240_IRRL_TAIL_REAL_S, 0); | |
3940 | ||
926a01dc WHX |
3941 | roce_set_field(qpc_mask->byte_220_retry_psn_msn, |
3942 | V2_QPC_BYTE_220_RETRY_MSG_MSN_M, | |
3943 | V2_QPC_BYTE_220_RETRY_MSG_MSN_S, 0); | |
3944 | ||
3945 | roce_set_bit(qpc_mask->byte_248_ack_psn, | |
3946 | V2_QPC_BYTE_248_RNR_RETRY_FLAG_S, 0); | |
3947 | ||
3948 | roce_set_field(qpc_mask->byte_212_lsn, V2_QPC_BYTE_212_CHECK_FLG_M, | |
3949 | V2_QPC_BYTE_212_CHECK_FLG_S, 0); | |
3950 | ||
926a01dc WHX |
3951 | roce_set_field(context->byte_212_lsn, V2_QPC_BYTE_212_LSN_M, |
3952 | V2_QPC_BYTE_212_LSN_S, 0x100); | |
3953 | roce_set_field(qpc_mask->byte_212_lsn, V2_QPC_BYTE_212_LSN_M, | |
3954 | V2_QPC_BYTE_212_LSN_S, 0); | |
3955 | ||
926a01dc WHX |
3956 | roce_set_field(qpc_mask->byte_196_sq_psn, V2_QPC_BYTE_196_IRRL_HEAD_M, |
3957 | V2_QPC_BYTE_196_IRRL_HEAD_S, 0); | |
926a01dc WHX |
3958 | |
3959 | return 0; | |
3960 | } | |
3961 | ||
233673e4 LO |
3962 | static inline bool hns_roce_v2_check_qp_stat(enum ib_qp_state cur_state, |
3963 | enum ib_qp_state new_state) | |
3964 | { | |
3965 | ||
3966 | if ((cur_state != IB_QPS_RESET && | |
3967 | (new_state == IB_QPS_ERR || new_state == IB_QPS_RESET)) || | |
3968 | ((cur_state == IB_QPS_RTS || cur_state == IB_QPS_SQD) && | |
3969 | (new_state == IB_QPS_RTS || new_state == IB_QPS_SQD)) || | |
3970 | (cur_state == IB_QPS_SQE && new_state == IB_QPS_RTS)) | |
3971 | return true; | |
3972 | ||
3973 | return false; | |
3974 | ||
3975 | } | |
3976 | ||
926a01dc WHX |
3977 | static int hns_roce_v2_modify_qp(struct ib_qp *ibqp, |
3978 | const struct ib_qp_attr *attr, | |
3979 | int attr_mask, enum ib_qp_state cur_state, | |
3980 | enum ib_qp_state new_state) | |
3981 | { | |
3982 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
3983 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
3984 | struct hns_roce_v2_qp_context *context; | |
3985 | struct hns_roce_v2_qp_context *qpc_mask; | |
3986 | struct device *dev = hr_dev->dev; | |
3987 | int ret = -EINVAL; | |
3988 | ||
4e69cf1f | 3989 | context = kcalloc(2, sizeof(*context), GFP_ATOMIC); |
926a01dc WHX |
3990 | if (!context) |
3991 | return -ENOMEM; | |
3992 | ||
3993 | qpc_mask = context + 1; | |
3994 | /* | |
3995 | * In v2 engine, software pass context and context mask to hardware | |
3996 | * when modifying qp. If software need modify some fields in context, | |
3997 | * we should set all bits of the relevant fields in context mask to | |
3998 | * 0 at the same time, else set them to 0x1. | |
3999 | */ | |
4000 | memset(qpc_mask, 0xff, sizeof(*qpc_mask)); | |
4001 | if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { | |
9f507101 | 4002 | memset(qpc_mask, 0, sizeof(*qpc_mask)); |
0fa95a9a | 4003 | modify_qp_reset_to_init(ibqp, attr, attr_mask, context, |
4004 | qpc_mask); | |
926a01dc WHX |
4005 | } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) { |
4006 | modify_qp_init_to_init(ibqp, attr, attr_mask, context, | |
4007 | qpc_mask); | |
4008 | } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { | |
4009 | ret = modify_qp_init_to_rtr(ibqp, attr, attr_mask, context, | |
4010 | qpc_mask); | |
4011 | if (ret) | |
4012 | goto out; | |
4013 | } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) { | |
4014 | ret = modify_qp_rtr_to_rts(ibqp, attr, attr_mask, context, | |
4015 | qpc_mask); | |
4016 | if (ret) | |
4017 | goto out; | |
233673e4 | 4018 | } else if (hns_roce_v2_check_qp_stat(cur_state, new_state)) { |
926a01dc WHX |
4019 | /* Nothing */ |
4020 | ; | |
4021 | } else { | |
4022 | dev_err(dev, "Illegal state for QP!\n"); | |
ac7cbf96 | 4023 | ret = -EINVAL; |
926a01dc WHX |
4024 | goto out; |
4025 | } | |
4026 | ||
0425e3e6 YL |
4027 | /* When QP state is err, SQ and RQ WQE should be flushed */ |
4028 | if (new_state == IB_QPS_ERR) { | |
4029 | roce_set_field(context->byte_160_sq_ci_pi, | |
4030 | V2_QPC_BYTE_160_SQ_PRODUCER_IDX_M, | |
4031 | V2_QPC_BYTE_160_SQ_PRODUCER_IDX_S, | |
4032 | hr_qp->sq.head); | |
4033 | roce_set_field(qpc_mask->byte_160_sq_ci_pi, | |
4034 | V2_QPC_BYTE_160_SQ_PRODUCER_IDX_M, | |
4035 | V2_QPC_BYTE_160_SQ_PRODUCER_IDX_S, 0); | |
9c6ccc03 LO |
4036 | |
4037 | if (!ibqp->srq) { | |
4038 | roce_set_field(context->byte_84_rq_ci_pi, | |
0425e3e6 YL |
4039 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_M, |
4040 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_S, | |
4041 | hr_qp->rq.head); | |
9c6ccc03 | 4042 | roce_set_field(qpc_mask->byte_84_rq_ci_pi, |
0425e3e6 YL |
4043 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_M, |
4044 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_S, 0); | |
9c6ccc03 | 4045 | } |
0425e3e6 YL |
4046 | } |
4047 | ||
610b8967 LO |
4048 | if (attr_mask & IB_QP_AV) { |
4049 | const struct ib_global_route *grh = | |
4050 | rdma_ah_read_grh(&attr->ah_attr); | |
4051 | const struct ib_gid_attr *gid_attr = NULL; | |
610b8967 LO |
4052 | int is_roce_protocol; |
4053 | u16 vlan = 0xffff; | |
4054 | u8 ib_port; | |
4055 | u8 hr_port; | |
4056 | ||
4057 | ib_port = (attr_mask & IB_QP_PORT) ? attr->port_num : | |
4058 | hr_qp->port + 1; | |
4059 | hr_port = ib_port - 1; | |
4060 | is_roce_protocol = rdma_cap_eth_ah(&hr_dev->ib_dev, ib_port) && | |
4061 | rdma_ah_get_ah_flags(&attr->ah_attr) & IB_AH_GRH; | |
4062 | ||
4063 | if (is_roce_protocol) { | |
4064 | gid_attr = attr->ah_attr.grh.sgid_attr; | |
a70c0739 PP |
4065 | ret = rdma_read_gid_l2_fields(gid_attr, &vlan, NULL); |
4066 | if (ret) | |
4067 | goto out; | |
610b8967 LO |
4068 | } |
4069 | ||
a70c0739 | 4070 | if (vlan < VLAN_CFI_MASK) { |
caf3e406 LO |
4071 | roce_set_bit(context->byte_76_srqn_op_en, |
4072 | V2_QPC_BYTE_76_RQ_VLAN_EN_S, 1); | |
4073 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, | |
4074 | V2_QPC_BYTE_76_RQ_VLAN_EN_S, 0); | |
4075 | roce_set_bit(context->byte_168_irrl_idx, | |
4076 | V2_QPC_BYTE_168_SQ_VLAN_EN_S, 1); | |
4077 | roce_set_bit(qpc_mask->byte_168_irrl_idx, | |
4078 | V2_QPC_BYTE_168_SQ_VLAN_EN_S, 0); | |
4079 | } | |
4080 | ||
c8e46f8d LO |
4081 | roce_set_field(context->byte_24_mtu_tc, |
4082 | V2_QPC_BYTE_24_VLAN_ID_M, | |
4083 | V2_QPC_BYTE_24_VLAN_ID_S, vlan); | |
4084 | roce_set_field(qpc_mask->byte_24_mtu_tc, | |
4085 | V2_QPC_BYTE_24_VLAN_ID_M, | |
4086 | V2_QPC_BYTE_24_VLAN_ID_S, 0); | |
4087 | ||
610b8967 LO |
4088 | if (grh->sgid_index >= hr_dev->caps.gid_table_len[hr_port]) { |
4089 | dev_err(hr_dev->dev, | |
4090 | "sgid_index(%u) too large. max is %d\n", | |
4091 | grh->sgid_index, | |
4092 | hr_dev->caps.gid_table_len[hr_port]); | |
4093 | ret = -EINVAL; | |
4094 | goto out; | |
4095 | } | |
4096 | ||
4097 | if (attr->ah_attr.type != RDMA_AH_ATTR_TYPE_ROCE) { | |
4098 | dev_err(hr_dev->dev, "ah attr is not RDMA roce type\n"); | |
4099 | ret = -EINVAL; | |
4100 | goto out; | |
4101 | } | |
4102 | ||
4103 | roce_set_field(context->byte_52_udpspn_dmac, | |
4104 | V2_QPC_BYTE_52_UDPSPN_M, V2_QPC_BYTE_52_UDPSPN_S, | |
4105 | (gid_attr->gid_type != IB_GID_TYPE_ROCE_UDP_ENCAP) ? | |
4106 | 0 : 0x12b7); | |
4107 | ||
4108 | roce_set_field(qpc_mask->byte_52_udpspn_dmac, | |
4109 | V2_QPC_BYTE_52_UDPSPN_M, | |
4110 | V2_QPC_BYTE_52_UDPSPN_S, 0); | |
4111 | ||
4112 | roce_set_field(context->byte_20_smac_sgid_idx, | |
4113 | V2_QPC_BYTE_20_SGID_IDX_M, | |
4114 | V2_QPC_BYTE_20_SGID_IDX_S, grh->sgid_index); | |
4115 | ||
4116 | roce_set_field(qpc_mask->byte_20_smac_sgid_idx, | |
4117 | V2_QPC_BYTE_20_SGID_IDX_M, | |
4118 | V2_QPC_BYTE_20_SGID_IDX_S, 0); | |
4119 | ||
4120 | roce_set_field(context->byte_24_mtu_tc, | |
4121 | V2_QPC_BYTE_24_HOP_LIMIT_M, | |
4122 | V2_QPC_BYTE_24_HOP_LIMIT_S, grh->hop_limit); | |
4123 | roce_set_field(qpc_mask->byte_24_mtu_tc, | |
4124 | V2_QPC_BYTE_24_HOP_LIMIT_M, | |
4125 | V2_QPC_BYTE_24_HOP_LIMIT_S, 0); | |
4126 | ||
157b52a0 LO |
4127 | if (hr_dev->pci_dev->revision == 0x21 && |
4128 | gid_attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) | |
4129 | roce_set_field(context->byte_24_mtu_tc, | |
4130 | V2_QPC_BYTE_24_TC_M, V2_QPC_BYTE_24_TC_S, | |
4131 | grh->traffic_class >> 2); | |
4132 | else | |
4133 | roce_set_field(context->byte_24_mtu_tc, | |
4134 | V2_QPC_BYTE_24_TC_M, V2_QPC_BYTE_24_TC_S, | |
4135 | grh->traffic_class); | |
610b8967 LO |
4136 | roce_set_field(qpc_mask->byte_24_mtu_tc, V2_QPC_BYTE_24_TC_M, |
4137 | V2_QPC_BYTE_24_TC_S, 0); | |
4138 | roce_set_field(context->byte_28_at_fl, V2_QPC_BYTE_28_FL_M, | |
4139 | V2_QPC_BYTE_28_FL_S, grh->flow_label); | |
4140 | roce_set_field(qpc_mask->byte_28_at_fl, V2_QPC_BYTE_28_FL_M, | |
4141 | V2_QPC_BYTE_28_FL_S, 0); | |
4142 | memcpy(context->dgid, grh->dgid.raw, sizeof(grh->dgid.raw)); | |
4143 | memset(qpc_mask->dgid, 0, sizeof(grh->dgid.raw)); | |
4144 | roce_set_field(context->byte_28_at_fl, V2_QPC_BYTE_28_SL_M, | |
4145 | V2_QPC_BYTE_28_SL_S, | |
4146 | rdma_ah_get_sl(&attr->ah_attr)); | |
4147 | roce_set_field(qpc_mask->byte_28_at_fl, V2_QPC_BYTE_28_SL_M, | |
4148 | V2_QPC_BYTE_28_SL_S, 0); | |
4149 | hr_qp->sl = rdma_ah_get_sl(&attr->ah_attr); | |
4150 | } | |
4151 | ||
5b01b243 LO |
4152 | if (attr_mask & IB_QP_TIMEOUT) { |
4153 | if (attr->timeout < 31) { | |
4154 | roce_set_field(context->byte_28_at_fl, | |
4155 | V2_QPC_BYTE_28_AT_M, V2_QPC_BYTE_28_AT_S, | |
4156 | attr->timeout); | |
4157 | roce_set_field(qpc_mask->byte_28_at_fl, | |
4158 | V2_QPC_BYTE_28_AT_M, V2_QPC_BYTE_28_AT_S, | |
4159 | 0); | |
4160 | } else { | |
4161 | dev_warn(dev, "Local ACK timeout shall be 0 to 30.\n"); | |
4162 | } | |
4163 | } | |
4164 | ||
4165 | if (attr_mask & IB_QP_RETRY_CNT) { | |
4166 | roce_set_field(context->byte_212_lsn, | |
4167 | V2_QPC_BYTE_212_RETRY_NUM_INIT_M, | |
4168 | V2_QPC_BYTE_212_RETRY_NUM_INIT_S, | |
4169 | attr->retry_cnt); | |
4170 | roce_set_field(qpc_mask->byte_212_lsn, | |
4171 | V2_QPC_BYTE_212_RETRY_NUM_INIT_M, | |
4172 | V2_QPC_BYTE_212_RETRY_NUM_INIT_S, 0); | |
4173 | ||
4174 | roce_set_field(context->byte_212_lsn, | |
4175 | V2_QPC_BYTE_212_RETRY_CNT_M, | |
4176 | V2_QPC_BYTE_212_RETRY_CNT_S, | |
4177 | attr->retry_cnt); | |
4178 | roce_set_field(qpc_mask->byte_212_lsn, | |
4179 | V2_QPC_BYTE_212_RETRY_CNT_M, | |
4180 | V2_QPC_BYTE_212_RETRY_CNT_S, 0); | |
4181 | } | |
4182 | ||
4183 | if (attr_mask & IB_QP_RNR_RETRY) { | |
4184 | roce_set_field(context->byte_244_rnr_rxack, | |
4185 | V2_QPC_BYTE_244_RNR_NUM_INIT_M, | |
4186 | V2_QPC_BYTE_244_RNR_NUM_INIT_S, attr->rnr_retry); | |
4187 | roce_set_field(qpc_mask->byte_244_rnr_rxack, | |
4188 | V2_QPC_BYTE_244_RNR_NUM_INIT_M, | |
4189 | V2_QPC_BYTE_244_RNR_NUM_INIT_S, 0); | |
4190 | ||
4191 | roce_set_field(context->byte_244_rnr_rxack, | |
4192 | V2_QPC_BYTE_244_RNR_CNT_M, | |
4193 | V2_QPC_BYTE_244_RNR_CNT_S, attr->rnr_retry); | |
4194 | roce_set_field(qpc_mask->byte_244_rnr_rxack, | |
4195 | V2_QPC_BYTE_244_RNR_CNT_M, | |
4196 | V2_QPC_BYTE_244_RNR_CNT_S, 0); | |
4197 | } | |
4198 | ||
f04cc178 LO |
4199 | if (attr_mask & IB_QP_SQ_PSN) { |
4200 | roce_set_field(context->byte_172_sq_psn, | |
4201 | V2_QPC_BYTE_172_SQ_CUR_PSN_M, | |
4202 | V2_QPC_BYTE_172_SQ_CUR_PSN_S, attr->sq_psn); | |
4203 | roce_set_field(qpc_mask->byte_172_sq_psn, | |
4204 | V2_QPC_BYTE_172_SQ_CUR_PSN_M, | |
4205 | V2_QPC_BYTE_172_SQ_CUR_PSN_S, 0); | |
4206 | ||
4207 | roce_set_field(context->byte_196_sq_psn, | |
4208 | V2_QPC_BYTE_196_SQ_MAX_PSN_M, | |
4209 | V2_QPC_BYTE_196_SQ_MAX_PSN_S, attr->sq_psn); | |
4210 | roce_set_field(qpc_mask->byte_196_sq_psn, | |
4211 | V2_QPC_BYTE_196_SQ_MAX_PSN_M, | |
4212 | V2_QPC_BYTE_196_SQ_MAX_PSN_S, 0); | |
4213 | ||
4214 | roce_set_field(context->byte_220_retry_psn_msn, | |
4215 | V2_QPC_BYTE_220_RETRY_MSG_PSN_M, | |
4216 | V2_QPC_BYTE_220_RETRY_MSG_PSN_S, attr->sq_psn); | |
4217 | roce_set_field(qpc_mask->byte_220_retry_psn_msn, | |
4218 | V2_QPC_BYTE_220_RETRY_MSG_PSN_M, | |
4219 | V2_QPC_BYTE_220_RETRY_MSG_PSN_S, 0); | |
4220 | ||
4221 | roce_set_field(context->byte_224_retry_msg, | |
4222 | V2_QPC_BYTE_224_RETRY_MSG_PSN_M, | |
4223 | V2_QPC_BYTE_224_RETRY_MSG_PSN_S, | |
2a3d923f | 4224 | attr->sq_psn >> V2_QPC_BYTE_220_RETRY_MSG_PSN_S); |
f04cc178 LO |
4225 | roce_set_field(qpc_mask->byte_224_retry_msg, |
4226 | V2_QPC_BYTE_224_RETRY_MSG_PSN_M, | |
4227 | V2_QPC_BYTE_224_RETRY_MSG_PSN_S, 0); | |
4228 | ||
4229 | roce_set_field(context->byte_224_retry_msg, | |
4230 | V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_M, | |
4231 | V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_S, | |
4232 | attr->sq_psn); | |
4233 | roce_set_field(qpc_mask->byte_224_retry_msg, | |
4234 | V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_M, | |
4235 | V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_S, 0); | |
4236 | ||
4237 | roce_set_field(context->byte_244_rnr_rxack, | |
4238 | V2_QPC_BYTE_244_RX_ACK_EPSN_M, | |
4239 | V2_QPC_BYTE_244_RX_ACK_EPSN_S, attr->sq_psn); | |
4240 | roce_set_field(qpc_mask->byte_244_rnr_rxack, | |
4241 | V2_QPC_BYTE_244_RX_ACK_EPSN_M, | |
4242 | V2_QPC_BYTE_244_RX_ACK_EPSN_S, 0); | |
4243 | } | |
4244 | ||
5b01b243 LO |
4245 | if ((attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) && |
4246 | attr->max_dest_rd_atomic) { | |
4247 | roce_set_field(context->byte_140_raq, V2_QPC_BYTE_140_RR_MAX_M, | |
4248 | V2_QPC_BYTE_140_RR_MAX_S, | |
4249 | fls(attr->max_dest_rd_atomic - 1)); | |
4250 | roce_set_field(qpc_mask->byte_140_raq, V2_QPC_BYTE_140_RR_MAX_M, | |
4251 | V2_QPC_BYTE_140_RR_MAX_S, 0); | |
4252 | } | |
4253 | ||
4254 | if ((attr_mask & IB_QP_MAX_QP_RD_ATOMIC) && attr->max_rd_atomic) { | |
4255 | roce_set_field(context->byte_208_irrl, V2_QPC_BYTE_208_SR_MAX_M, | |
4256 | V2_QPC_BYTE_208_SR_MAX_S, | |
4257 | fls(attr->max_rd_atomic - 1)); | |
4258 | roce_set_field(qpc_mask->byte_208_irrl, | |
4259 | V2_QPC_BYTE_208_SR_MAX_M, | |
4260 | V2_QPC_BYTE_208_SR_MAX_S, 0); | |
4261 | } | |
4262 | ||
ace1c541 | 4263 | if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) |
4264 | set_access_flags(hr_qp, context, qpc_mask, attr, attr_mask); | |
4265 | ||
5b01b243 LO |
4266 | if (attr_mask & IB_QP_MIN_RNR_TIMER) { |
4267 | roce_set_field(context->byte_80_rnr_rx_cqn, | |
4268 | V2_QPC_BYTE_80_MIN_RNR_TIME_M, | |
4269 | V2_QPC_BYTE_80_MIN_RNR_TIME_S, | |
4270 | attr->min_rnr_timer); | |
4271 | roce_set_field(qpc_mask->byte_80_rnr_rx_cqn, | |
4272 | V2_QPC_BYTE_80_MIN_RNR_TIME_M, | |
4273 | V2_QPC_BYTE_80_MIN_RNR_TIME_S, 0); | |
4274 | } | |
4275 | ||
601f3e6d LO |
4276 | /* RC&UC required attr */ |
4277 | if (attr_mask & IB_QP_RQ_PSN) { | |
4278 | roce_set_field(context->byte_108_rx_reqepsn, | |
4279 | V2_QPC_BYTE_108_RX_REQ_EPSN_M, | |
4280 | V2_QPC_BYTE_108_RX_REQ_EPSN_S, attr->rq_psn); | |
4281 | roce_set_field(qpc_mask->byte_108_rx_reqepsn, | |
4282 | V2_QPC_BYTE_108_RX_REQ_EPSN_M, | |
4283 | V2_QPC_BYTE_108_RX_REQ_EPSN_S, 0); | |
4284 | ||
4285 | roce_set_field(context->byte_152_raq, V2_QPC_BYTE_152_RAQ_PSN_M, | |
4286 | V2_QPC_BYTE_152_RAQ_PSN_S, attr->rq_psn - 1); | |
4287 | roce_set_field(qpc_mask->byte_152_raq, | |
4288 | V2_QPC_BYTE_152_RAQ_PSN_M, | |
4289 | V2_QPC_BYTE_152_RAQ_PSN_S, 0); | |
4290 | } | |
4291 | ||
5b01b243 LO |
4292 | if (attr_mask & IB_QP_QKEY) { |
4293 | context->qkey_xrcd = attr->qkey; | |
4294 | qpc_mask->qkey_xrcd = 0; | |
4295 | hr_qp->qkey = attr->qkey; | |
4296 | } | |
4297 | ||
c7bcb134 LO |
4298 | roce_set_bit(context->byte_108_rx_reqepsn, V2_QPC_BYTE_108_INV_CREDIT_S, |
4299 | ibqp->srq ? 1 : 0); | |
4300 | roce_set_bit(qpc_mask->byte_108_rx_reqepsn, | |
4301 | V2_QPC_BYTE_108_INV_CREDIT_S, 0); | |
4302 | ||
926a01dc | 4303 | /* Every status migrate must change state */ |
2362ccee | 4304 | roce_set_field(context->byte_60_qpst_tempid, V2_QPC_BYTE_60_QP_ST_M, |
926a01dc | 4305 | V2_QPC_BYTE_60_QP_ST_S, new_state); |
2362ccee | 4306 | roce_set_field(qpc_mask->byte_60_qpst_tempid, V2_QPC_BYTE_60_QP_ST_M, |
926a01dc WHX |
4307 | V2_QPC_BYTE_60_QP_ST_S, 0); |
4308 | ||
4309 | /* SW pass context to HW */ | |
8d18ad83 | 4310 | ret = hns_roce_v2_qp_modify(hr_dev, cur_state, new_state, |
926a01dc WHX |
4311 | context, hr_qp); |
4312 | if (ret) { | |
4313 | dev_err(dev, "hns_roce_qp_modify failed(%d)\n", ret); | |
4314 | goto out; | |
4315 | } | |
4316 | ||
4317 | hr_qp->state = new_state; | |
4318 | ||
ace1c541 | 4319 | if (attr_mask & IB_QP_ACCESS_FLAGS) |
4320 | hr_qp->atomic_rd_en = attr->qp_access_flags; | |
4321 | ||
926a01dc WHX |
4322 | if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) |
4323 | hr_qp->resp_depth = attr->max_dest_rd_atomic; | |
4324 | if (attr_mask & IB_QP_PORT) { | |
4325 | hr_qp->port = attr->port_num - 1; | |
4326 | hr_qp->phy_port = hr_dev->iboe.phy_port[hr_qp->port]; | |
4327 | } | |
4328 | ||
4329 | if (new_state == IB_QPS_RESET && !ibqp->uobject) { | |
4330 | hns_roce_v2_cq_clean(to_hr_cq(ibqp->recv_cq), hr_qp->qpn, | |
4331 | ibqp->srq ? to_hr_srq(ibqp->srq) : NULL); | |
4332 | if (ibqp->send_cq != ibqp->recv_cq) | |
4333 | hns_roce_v2_cq_clean(to_hr_cq(ibqp->send_cq), | |
4334 | hr_qp->qpn, NULL); | |
4335 | ||
4336 | hr_qp->rq.head = 0; | |
4337 | hr_qp->rq.tail = 0; | |
4338 | hr_qp->sq.head = 0; | |
4339 | hr_qp->sq.tail = 0; | |
4340 | hr_qp->sq_next_wqe = 0; | |
4341 | hr_qp->next_sge = 0; | |
e088a685 YL |
4342 | if (hr_qp->rq.wqe_cnt) |
4343 | *hr_qp->rdb.db_record = 0; | |
926a01dc WHX |
4344 | } |
4345 | ||
4346 | out: | |
4347 | kfree(context); | |
4348 | return ret; | |
4349 | } | |
4350 | ||
4351 | static inline enum ib_qp_state to_ib_qp_st(enum hns_roce_v2_qp_state state) | |
4352 | { | |
4353 | switch (state) { | |
4354 | case HNS_ROCE_QP_ST_RST: return IB_QPS_RESET; | |
4355 | case HNS_ROCE_QP_ST_INIT: return IB_QPS_INIT; | |
4356 | case HNS_ROCE_QP_ST_RTR: return IB_QPS_RTR; | |
4357 | case HNS_ROCE_QP_ST_RTS: return IB_QPS_RTS; | |
4358 | case HNS_ROCE_QP_ST_SQ_DRAINING: | |
4359 | case HNS_ROCE_QP_ST_SQD: return IB_QPS_SQD; | |
4360 | case HNS_ROCE_QP_ST_SQER: return IB_QPS_SQE; | |
4361 | case HNS_ROCE_QP_ST_ERR: return IB_QPS_ERR; | |
4362 | default: return -1; | |
4363 | } | |
4364 | } | |
4365 | ||
4366 | static int hns_roce_v2_query_qpc(struct hns_roce_dev *hr_dev, | |
4367 | struct hns_roce_qp *hr_qp, | |
4368 | struct hns_roce_v2_qp_context *hr_context) | |
4369 | { | |
4370 | struct hns_roce_cmd_mailbox *mailbox; | |
4371 | int ret; | |
4372 | ||
4373 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
4374 | if (IS_ERR(mailbox)) | |
4375 | return PTR_ERR(mailbox); | |
4376 | ||
4377 | ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, hr_qp->qpn, 0, | |
4378 | HNS_ROCE_CMD_QUERY_QPC, | |
4379 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
4380 | if (ret) { | |
4381 | dev_err(hr_dev->dev, "QUERY QP cmd process error\n"); | |
4382 | goto out; | |
4383 | } | |
4384 | ||
4385 | memcpy(hr_context, mailbox->buf, sizeof(*hr_context)); | |
4386 | ||
4387 | out: | |
4388 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
4389 | return ret; | |
4390 | } | |
4391 | ||
4392 | static int hns_roce_v2_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, | |
4393 | int qp_attr_mask, | |
4394 | struct ib_qp_init_attr *qp_init_attr) | |
4395 | { | |
4396 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
4397 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
4398 | struct hns_roce_v2_qp_context *context; | |
4399 | struct device *dev = hr_dev->dev; | |
4400 | int tmp_qp_state; | |
4401 | int state; | |
4402 | int ret; | |
4403 | ||
4404 | context = kzalloc(sizeof(*context), GFP_KERNEL); | |
4405 | if (!context) | |
4406 | return -ENOMEM; | |
4407 | ||
4408 | memset(qp_attr, 0, sizeof(*qp_attr)); | |
4409 | memset(qp_init_attr, 0, sizeof(*qp_init_attr)); | |
4410 | ||
4411 | mutex_lock(&hr_qp->mutex); | |
4412 | ||
4413 | if (hr_qp->state == IB_QPS_RESET) { | |
4414 | qp_attr->qp_state = IB_QPS_RESET; | |
63ea641f | 4415 | ret = 0; |
926a01dc WHX |
4416 | goto done; |
4417 | } | |
4418 | ||
4419 | ret = hns_roce_v2_query_qpc(hr_dev, hr_qp, context); | |
4420 | if (ret) { | |
4421 | dev_err(dev, "query qpc error\n"); | |
4422 | ret = -EINVAL; | |
4423 | goto out; | |
4424 | } | |
4425 | ||
2362ccee | 4426 | state = roce_get_field(context->byte_60_qpst_tempid, |
926a01dc WHX |
4427 | V2_QPC_BYTE_60_QP_ST_M, V2_QPC_BYTE_60_QP_ST_S); |
4428 | tmp_qp_state = to_ib_qp_st((enum hns_roce_v2_qp_state)state); | |
4429 | if (tmp_qp_state == -1) { | |
4430 | dev_err(dev, "Illegal ib_qp_state\n"); | |
4431 | ret = -EINVAL; | |
4432 | goto out; | |
4433 | } | |
4434 | hr_qp->state = (u8)tmp_qp_state; | |
4435 | qp_attr->qp_state = (enum ib_qp_state)hr_qp->state; | |
4436 | qp_attr->path_mtu = (enum ib_mtu)roce_get_field(context->byte_24_mtu_tc, | |
4437 | V2_QPC_BYTE_24_MTU_M, | |
4438 | V2_QPC_BYTE_24_MTU_S); | |
4439 | qp_attr->path_mig_state = IB_MIG_ARMED; | |
2bf910d4 | 4440 | qp_attr->ah_attr.type = RDMA_AH_ATTR_TYPE_ROCE; |
926a01dc WHX |
4441 | if (hr_qp->ibqp.qp_type == IB_QPT_UD) |
4442 | qp_attr->qkey = V2_QKEY_VAL; | |
4443 | ||
4444 | qp_attr->rq_psn = roce_get_field(context->byte_108_rx_reqepsn, | |
4445 | V2_QPC_BYTE_108_RX_REQ_EPSN_M, | |
4446 | V2_QPC_BYTE_108_RX_REQ_EPSN_S); | |
4447 | qp_attr->sq_psn = (u32)roce_get_field(context->byte_172_sq_psn, | |
4448 | V2_QPC_BYTE_172_SQ_CUR_PSN_M, | |
4449 | V2_QPC_BYTE_172_SQ_CUR_PSN_S); | |
4450 | qp_attr->dest_qp_num = (u8)roce_get_field(context->byte_56_dqpn_err, | |
4451 | V2_QPC_BYTE_56_DQPN_M, | |
4452 | V2_QPC_BYTE_56_DQPN_S); | |
4453 | qp_attr->qp_access_flags = ((roce_get_bit(context->byte_76_srqn_op_en, | |
2a3d923f LO |
4454 | V2_QPC_BYTE_76_RRE_S)) << V2_QP_RWE_S) | |
4455 | ((roce_get_bit(context->byte_76_srqn_op_en, | |
4456 | V2_QPC_BYTE_76_RWE_S)) << V2_QP_RRE_S) | | |
4457 | ((roce_get_bit(context->byte_76_srqn_op_en, | |
4458 | V2_QPC_BYTE_76_ATE_S)) << V2_QP_ATE_S); | |
4459 | ||
926a01dc WHX |
4460 | if (hr_qp->ibqp.qp_type == IB_QPT_RC || |
4461 | hr_qp->ibqp.qp_type == IB_QPT_UC) { | |
4462 | struct ib_global_route *grh = | |
4463 | rdma_ah_retrieve_grh(&qp_attr->ah_attr); | |
4464 | ||
4465 | rdma_ah_set_sl(&qp_attr->ah_attr, | |
4466 | roce_get_field(context->byte_28_at_fl, | |
4467 | V2_QPC_BYTE_28_SL_M, | |
4468 | V2_QPC_BYTE_28_SL_S)); | |
4469 | grh->flow_label = roce_get_field(context->byte_28_at_fl, | |
4470 | V2_QPC_BYTE_28_FL_M, | |
4471 | V2_QPC_BYTE_28_FL_S); | |
4472 | grh->sgid_index = roce_get_field(context->byte_20_smac_sgid_idx, | |
4473 | V2_QPC_BYTE_20_SGID_IDX_M, | |
4474 | V2_QPC_BYTE_20_SGID_IDX_S); | |
4475 | grh->hop_limit = roce_get_field(context->byte_24_mtu_tc, | |
4476 | V2_QPC_BYTE_24_HOP_LIMIT_M, | |
4477 | V2_QPC_BYTE_24_HOP_LIMIT_S); | |
4478 | grh->traffic_class = roce_get_field(context->byte_24_mtu_tc, | |
4479 | V2_QPC_BYTE_24_TC_M, | |
4480 | V2_QPC_BYTE_24_TC_S); | |
4481 | ||
4482 | memcpy(grh->dgid.raw, context->dgid, sizeof(grh->dgid.raw)); | |
4483 | } | |
4484 | ||
4485 | qp_attr->port_num = hr_qp->port + 1; | |
4486 | qp_attr->sq_draining = 0; | |
4487 | qp_attr->max_rd_atomic = 1 << roce_get_field(context->byte_208_irrl, | |
4488 | V2_QPC_BYTE_208_SR_MAX_M, | |
4489 | V2_QPC_BYTE_208_SR_MAX_S); | |
4490 | qp_attr->max_dest_rd_atomic = 1 << roce_get_field(context->byte_140_raq, | |
4491 | V2_QPC_BYTE_140_RR_MAX_M, | |
4492 | V2_QPC_BYTE_140_RR_MAX_S); | |
4493 | qp_attr->min_rnr_timer = (u8)roce_get_field(context->byte_80_rnr_rx_cqn, | |
4494 | V2_QPC_BYTE_80_MIN_RNR_TIME_M, | |
4495 | V2_QPC_BYTE_80_MIN_RNR_TIME_S); | |
4496 | qp_attr->timeout = (u8)roce_get_field(context->byte_28_at_fl, | |
4497 | V2_QPC_BYTE_28_AT_M, | |
4498 | V2_QPC_BYTE_28_AT_S); | |
4499 | qp_attr->retry_cnt = roce_get_field(context->byte_212_lsn, | |
4500 | V2_QPC_BYTE_212_RETRY_CNT_M, | |
4501 | V2_QPC_BYTE_212_RETRY_CNT_S); | |
4502 | qp_attr->rnr_retry = context->rq_rnr_timer; | |
4503 | ||
4504 | done: | |
4505 | qp_attr->cur_qp_state = qp_attr->qp_state; | |
4506 | qp_attr->cap.max_recv_wr = hr_qp->rq.wqe_cnt; | |
4507 | qp_attr->cap.max_recv_sge = hr_qp->rq.max_gs; | |
4508 | ||
4509 | if (!ibqp->uobject) { | |
4510 | qp_attr->cap.max_send_wr = hr_qp->sq.wqe_cnt; | |
4511 | qp_attr->cap.max_send_sge = hr_qp->sq.max_gs; | |
4512 | } else { | |
4513 | qp_attr->cap.max_send_wr = 0; | |
4514 | qp_attr->cap.max_send_sge = 0; | |
4515 | } | |
4516 | ||
4517 | qp_init_attr->cap = qp_attr->cap; | |
4518 | ||
4519 | out: | |
4520 | mutex_unlock(&hr_qp->mutex); | |
4521 | kfree(context); | |
4522 | return ret; | |
4523 | } | |
4524 | ||
4525 | static int hns_roce_v2_destroy_qp_common(struct hns_roce_dev *hr_dev, | |
4526 | struct hns_roce_qp *hr_qp, | |
bdeacabd | 4527 | struct ib_udata *udata) |
926a01dc WHX |
4528 | { |
4529 | struct hns_roce_cq *send_cq, *recv_cq; | |
4530 | struct device *dev = hr_dev->dev; | |
4531 | int ret; | |
4532 | ||
4533 | if (hr_qp->ibqp.qp_type == IB_QPT_RC && hr_qp->state != IB_QPS_RESET) { | |
4534 | /* Modify qp to reset before destroying qp */ | |
4535 | ret = hns_roce_v2_modify_qp(&hr_qp->ibqp, NULL, 0, | |
4536 | hr_qp->state, IB_QPS_RESET); | |
4537 | if (ret) { | |
4538 | dev_err(dev, "modify QP %06lx to ERR failed.\n", | |
4539 | hr_qp->qpn); | |
4540 | return ret; | |
4541 | } | |
4542 | } | |
4543 | ||
4544 | send_cq = to_hr_cq(hr_qp->ibqp.send_cq); | |
4545 | recv_cq = to_hr_cq(hr_qp->ibqp.recv_cq); | |
4546 | ||
4547 | hns_roce_lock_cqs(send_cq, recv_cq); | |
4548 | ||
bdeacabd | 4549 | if (!udata) { |
926a01dc WHX |
4550 | __hns_roce_v2_cq_clean(recv_cq, hr_qp->qpn, hr_qp->ibqp.srq ? |
4551 | to_hr_srq(hr_qp->ibqp.srq) : NULL); | |
4552 | if (send_cq != recv_cq) | |
4553 | __hns_roce_v2_cq_clean(send_cq, hr_qp->qpn, NULL); | |
4554 | } | |
4555 | ||
4556 | hns_roce_qp_remove(hr_dev, hr_qp); | |
4557 | ||
4558 | hns_roce_unlock_cqs(send_cq, recv_cq); | |
4559 | ||
4560 | hns_roce_qp_free(hr_dev, hr_qp); | |
4561 | ||
4562 | /* Not special_QP, free their QPN */ | |
4563 | if ((hr_qp->ibqp.qp_type == IB_QPT_RC) || | |
4564 | (hr_qp->ibqp.qp_type == IB_QPT_UC) || | |
4565 | (hr_qp->ibqp.qp_type == IB_QPT_UD)) | |
4566 | hns_roce_release_range_qp(hr_dev, hr_qp->qpn, 1); | |
4567 | ||
6fafe560 | 4568 | hns_roce_mtr_cleanup(hr_dev, &hr_qp->mtr); |
926a01dc | 4569 | |
bdeacabd SR |
4570 | if (udata) { |
4571 | struct hns_roce_ucontext *context = | |
4572 | rdma_udata_to_drv_context( | |
4573 | udata, | |
4574 | struct hns_roce_ucontext, | |
4575 | ibucontext); | |
4576 | ||
0425e3e6 | 4577 | if (hr_qp->sq.wqe_cnt && (hr_qp->sdb_en == 1)) |
bdeacabd | 4578 | hns_roce_db_unmap_user(context, &hr_qp->sdb); |
0425e3e6 | 4579 | |
e088a685 | 4580 | if (hr_qp->rq.wqe_cnt && (hr_qp->rdb_en == 1)) |
bdeacabd | 4581 | hns_roce_db_unmap_user(context, &hr_qp->rdb); |
926a01dc WHX |
4582 | } else { |
4583 | kfree(hr_qp->sq.wrid); | |
4584 | kfree(hr_qp->rq.wrid); | |
4585 | hns_roce_buf_free(hr_dev, hr_qp->buff_size, &hr_qp->hr_buf); | |
472bc0fb YL |
4586 | if (hr_qp->rq.wqe_cnt) |
4587 | hns_roce_free_db(hr_dev, &hr_qp->rdb); | |
926a01dc | 4588 | } |
836a0fbb | 4589 | ib_umem_release(hr_qp->umem); |
926a01dc | 4590 | |
c7bcb134 LO |
4591 | if ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RQ_INLINE) && |
4592 | hr_qp->rq.wqe_cnt) { | |
0009c2db | 4593 | kfree(hr_qp->rq_inl_buf.wqe_list[0].sg_list); |
4594 | kfree(hr_qp->rq_inl_buf.wqe_list); | |
4595 | } | |
4596 | ||
926a01dc WHX |
4597 | return 0; |
4598 | } | |
4599 | ||
c4367a26 | 4600 | static int hns_roce_v2_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata) |
926a01dc WHX |
4601 | { |
4602 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
4603 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
4604 | int ret; | |
4605 | ||
bdeacabd | 4606 | ret = hns_roce_v2_destroy_qp_common(hr_dev, hr_qp, udata); |
926a01dc WHX |
4607 | if (ret) { |
4608 | dev_err(hr_dev->dev, "Destroy qp failed(%d)\n", ret); | |
4609 | return ret; | |
4610 | } | |
4611 | ||
4612 | if (hr_qp->ibqp.qp_type == IB_QPT_GSI) | |
4613 | kfree(hr_to_hr_sqp(hr_qp)); | |
4614 | else | |
4615 | kfree(hr_qp); | |
4616 | ||
4617 | return 0; | |
4618 | } | |
4619 | ||
aa84fa18 YL |
4620 | static int hns_roce_v2_qp_flow_control_init(struct hns_roce_dev *hr_dev, |
4621 | struct hns_roce_qp *hr_qp) | |
4622 | { | |
da91ddfd | 4623 | struct hns_roce_sccc_clr_done *resp; |
aa84fa18 YL |
4624 | struct hns_roce_sccc_clr *clr; |
4625 | struct hns_roce_cmq_desc desc; | |
4626 | int ret, i; | |
4627 | ||
4628 | mutex_lock(&hr_dev->qp_table.scc_mutex); | |
4629 | ||
4630 | /* set scc ctx clear done flag */ | |
4631 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_RESET_SCCC, false); | |
aa84fa18 YL |
4632 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); |
4633 | if (ret) { | |
4634 | dev_err(hr_dev->dev, "Reset SCC ctx failed(%d)\n", ret); | |
4635 | goto out; | |
4636 | } | |
4637 | ||
4638 | /* clear scc context */ | |
4639 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CLR_SCCC, false); | |
4640 | clr = (struct hns_roce_sccc_clr *)desc.data; | |
4641 | clr->qpn = cpu_to_le32(hr_qp->qpn); | |
4642 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); | |
4643 | if (ret) { | |
4644 | dev_err(hr_dev->dev, "Clear SCC ctx failed(%d)\n", ret); | |
4645 | goto out; | |
4646 | } | |
4647 | ||
4648 | /* query scc context clear is done or not */ | |
4649 | resp = (struct hns_roce_sccc_clr_done *)desc.data; | |
4650 | for (i = 0; i <= HNS_ROCE_CMQ_SCC_CLR_DONE_CNT; i++) { | |
4651 | hns_roce_cmq_setup_basic_desc(&desc, | |
4652 | HNS_ROCE_OPC_QUERY_SCCC, true); | |
4653 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); | |
4654 | if (ret) { | |
4655 | dev_err(hr_dev->dev, "Query clr cmq failed(%d)\n", ret); | |
4656 | goto out; | |
4657 | } | |
4658 | ||
4659 | if (resp->clr_done) | |
4660 | goto out; | |
4661 | ||
4662 | msleep(20); | |
4663 | } | |
4664 | ||
4665 | dev_err(hr_dev->dev, "Query SCC clr done flag overtime.\n"); | |
4666 | ret = -ETIMEDOUT; | |
4667 | ||
4668 | out: | |
4669 | mutex_unlock(&hr_dev->qp_table.scc_mutex); | |
4670 | return ret; | |
4671 | } | |
4672 | ||
b156269d | 4673 | static int hns_roce_v2_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period) |
4674 | { | |
4675 | struct hns_roce_dev *hr_dev = to_hr_dev(cq->device); | |
4676 | struct hns_roce_v2_cq_context *cq_context; | |
4677 | struct hns_roce_cq *hr_cq = to_hr_cq(cq); | |
4678 | struct hns_roce_v2_cq_context *cqc_mask; | |
4679 | struct hns_roce_cmd_mailbox *mailbox; | |
4680 | int ret; | |
4681 | ||
4682 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
4683 | if (IS_ERR(mailbox)) | |
4684 | return PTR_ERR(mailbox); | |
4685 | ||
4686 | cq_context = mailbox->buf; | |
4687 | cqc_mask = (struct hns_roce_v2_cq_context *)mailbox->buf + 1; | |
4688 | ||
4689 | memset(cqc_mask, 0xff, sizeof(*cqc_mask)); | |
4690 | ||
4691 | roce_set_field(cq_context->byte_56_cqe_period_maxcnt, | |
4692 | V2_CQC_BYTE_56_CQ_MAX_CNT_M, V2_CQC_BYTE_56_CQ_MAX_CNT_S, | |
4693 | cq_count); | |
4694 | roce_set_field(cqc_mask->byte_56_cqe_period_maxcnt, | |
4695 | V2_CQC_BYTE_56_CQ_MAX_CNT_M, V2_CQC_BYTE_56_CQ_MAX_CNT_S, | |
4696 | 0); | |
4697 | roce_set_field(cq_context->byte_56_cqe_period_maxcnt, | |
4698 | V2_CQC_BYTE_56_CQ_PERIOD_M, V2_CQC_BYTE_56_CQ_PERIOD_S, | |
4699 | cq_period); | |
4700 | roce_set_field(cqc_mask->byte_56_cqe_period_maxcnt, | |
4701 | V2_CQC_BYTE_56_CQ_PERIOD_M, V2_CQC_BYTE_56_CQ_PERIOD_S, | |
4702 | 0); | |
4703 | ||
4704 | ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, hr_cq->cqn, 1, | |
4705 | HNS_ROCE_CMD_MODIFY_CQC, | |
4706 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
4707 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
4708 | if (ret) | |
4709 | dev_err(hr_dev->dev, "MODIFY CQ Failed to cmd mailbox.\n"); | |
4710 | ||
4711 | return ret; | |
4712 | } | |
4713 | ||
0425e3e6 YL |
4714 | static void hns_roce_set_qps_to_err(struct hns_roce_dev *hr_dev, u32 qpn) |
4715 | { | |
4716 | struct hns_roce_qp *hr_qp; | |
4717 | struct ib_qp_attr attr; | |
4718 | int attr_mask; | |
4719 | int ret; | |
4720 | ||
4721 | hr_qp = __hns_roce_qp_lookup(hr_dev, qpn); | |
4722 | if (!hr_qp) { | |
4723 | dev_warn(hr_dev->dev, "no hr_qp can be found!\n"); | |
4724 | return; | |
4725 | } | |
4726 | ||
4727 | if (hr_qp->ibqp.uobject) { | |
4728 | if (hr_qp->sdb_en == 1) { | |
4729 | hr_qp->sq.head = *(int *)(hr_qp->sdb.virt_addr); | |
9c6ccc03 LO |
4730 | if (hr_qp->rdb_en == 1) |
4731 | hr_qp->rq.head = *(int *)(hr_qp->rdb.virt_addr); | |
0425e3e6 YL |
4732 | } else { |
4733 | dev_warn(hr_dev->dev, "flush cqe is unsupported in userspace!\n"); | |
4734 | return; | |
4735 | } | |
4736 | } | |
4737 | ||
4738 | attr_mask = IB_QP_STATE; | |
4739 | attr.qp_state = IB_QPS_ERR; | |
4740 | ret = hns_roce_v2_modify_qp(&hr_qp->ibqp, &attr, attr_mask, | |
4741 | hr_qp->state, IB_QPS_ERR); | |
4742 | if (ret) | |
4743 | dev_err(hr_dev->dev, "failed to modify qp %d to err state.\n", | |
4744 | qpn); | |
4745 | } | |
4746 | ||
4747 | static void hns_roce_irq_work_handle(struct work_struct *work) | |
4748 | { | |
4749 | struct hns_roce_work *irq_work = | |
4750 | container_of(work, struct hns_roce_work, work); | |
b00a92c8 | 4751 | struct device *dev = irq_work->hr_dev->dev; |
0425e3e6 | 4752 | u32 qpn = irq_work->qpn; |
b00a92c8 | 4753 | u32 cqn = irq_work->cqn; |
0425e3e6 YL |
4754 | |
4755 | switch (irq_work->event_type) { | |
b00a92c8 | 4756 | case HNS_ROCE_EVENT_TYPE_PATH_MIG: |
4757 | dev_info(dev, "Path migrated succeeded.\n"); | |
4758 | break; | |
4759 | case HNS_ROCE_EVENT_TYPE_PATH_MIG_FAILED: | |
4760 | dev_warn(dev, "Path migration failed.\n"); | |
4761 | break; | |
4762 | case HNS_ROCE_EVENT_TYPE_COMM_EST: | |
b00a92c8 | 4763 | break; |
4764 | case HNS_ROCE_EVENT_TYPE_SQ_DRAINED: | |
4765 | dev_warn(dev, "Send queue drained.\n"); | |
4766 | break; | |
0425e3e6 | 4767 | case HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR: |
e95c716c YL |
4768 | dev_err(dev, "Local work queue 0x%x catas error, sub_type:%d\n", |
4769 | qpn, irq_work->sub_type); | |
b00a92c8 | 4770 | hns_roce_set_qps_to_err(irq_work->hr_dev, qpn); |
b00a92c8 | 4771 | break; |
0425e3e6 | 4772 | case HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR: |
e95c716c YL |
4773 | dev_err(dev, "Invalid request local work queue 0x%x error.\n", |
4774 | qpn); | |
b00a92c8 | 4775 | hns_roce_set_qps_to_err(irq_work->hr_dev, qpn); |
4776 | break; | |
0425e3e6 | 4777 | case HNS_ROCE_EVENT_TYPE_LOCAL_WQ_ACCESS_ERROR: |
e95c716c YL |
4778 | dev_err(dev, "Local access violation work queue 0x%x error, sub_type:%d\n", |
4779 | qpn, irq_work->sub_type); | |
0425e3e6 | 4780 | hns_roce_set_qps_to_err(irq_work->hr_dev, qpn); |
b00a92c8 | 4781 | break; |
4782 | case HNS_ROCE_EVENT_TYPE_SRQ_LIMIT_REACH: | |
4783 | dev_warn(dev, "SRQ limit reach.\n"); | |
4784 | break; | |
4785 | case HNS_ROCE_EVENT_TYPE_SRQ_LAST_WQE_REACH: | |
4786 | dev_warn(dev, "SRQ last wqe reach.\n"); | |
4787 | break; | |
4788 | case HNS_ROCE_EVENT_TYPE_SRQ_CATAS_ERROR: | |
4789 | dev_err(dev, "SRQ catas error.\n"); | |
4790 | break; | |
4791 | case HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR: | |
4792 | dev_err(dev, "CQ 0x%x access err.\n", cqn); | |
4793 | break; | |
4794 | case HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW: | |
4795 | dev_warn(dev, "CQ 0x%x overflow\n", cqn); | |
4796 | break; | |
4797 | case HNS_ROCE_EVENT_TYPE_DB_OVERFLOW: | |
4798 | dev_warn(dev, "DB overflow.\n"); | |
4799 | break; | |
4800 | case HNS_ROCE_EVENT_TYPE_FLR: | |
4801 | dev_warn(dev, "Function level reset.\n"); | |
0425e3e6 YL |
4802 | break; |
4803 | default: | |
4804 | break; | |
4805 | } | |
4806 | ||
4807 | kfree(irq_work); | |
4808 | } | |
4809 | ||
4810 | static void hns_roce_v2_init_irq_work(struct hns_roce_dev *hr_dev, | |
b00a92c8 | 4811 | struct hns_roce_eq *eq, |
4812 | u32 qpn, u32 cqn) | |
0425e3e6 YL |
4813 | { |
4814 | struct hns_roce_work *irq_work; | |
4815 | ||
4816 | irq_work = kzalloc(sizeof(struct hns_roce_work), GFP_ATOMIC); | |
4817 | if (!irq_work) | |
4818 | return; | |
4819 | ||
4820 | INIT_WORK(&(irq_work->work), hns_roce_irq_work_handle); | |
4821 | irq_work->hr_dev = hr_dev; | |
4822 | irq_work->qpn = qpn; | |
b00a92c8 | 4823 | irq_work->cqn = cqn; |
0425e3e6 YL |
4824 | irq_work->event_type = eq->event_type; |
4825 | irq_work->sub_type = eq->sub_type; | |
4826 | queue_work(hr_dev->irq_workq, &(irq_work->work)); | |
4827 | } | |
4828 | ||
a5073d60 YL |
4829 | static void set_eq_cons_index_v2(struct hns_roce_eq *eq) |
4830 | { | |
d3743fa9 | 4831 | struct hns_roce_dev *hr_dev = eq->hr_dev; |
a5073d60 YL |
4832 | u32 doorbell[2]; |
4833 | ||
4834 | doorbell[0] = 0; | |
4835 | doorbell[1] = 0; | |
4836 | ||
4837 | if (eq->type_flag == HNS_ROCE_AEQ) { | |
4838 | roce_set_field(doorbell[0], HNS_ROCE_V2_EQ_DB_CMD_M, | |
4839 | HNS_ROCE_V2_EQ_DB_CMD_S, | |
4840 | eq->arm_st == HNS_ROCE_V2_EQ_ALWAYS_ARMED ? | |
4841 | HNS_ROCE_EQ_DB_CMD_AEQ : | |
4842 | HNS_ROCE_EQ_DB_CMD_AEQ_ARMED); | |
4843 | } else { | |
4844 | roce_set_field(doorbell[0], HNS_ROCE_V2_EQ_DB_TAG_M, | |
4845 | HNS_ROCE_V2_EQ_DB_TAG_S, eq->eqn); | |
4846 | ||
4847 | roce_set_field(doorbell[0], HNS_ROCE_V2_EQ_DB_CMD_M, | |
4848 | HNS_ROCE_V2_EQ_DB_CMD_S, | |
4849 | eq->arm_st == HNS_ROCE_V2_EQ_ALWAYS_ARMED ? | |
4850 | HNS_ROCE_EQ_DB_CMD_CEQ : | |
4851 | HNS_ROCE_EQ_DB_CMD_CEQ_ARMED); | |
4852 | } | |
4853 | ||
4854 | roce_set_field(doorbell[1], HNS_ROCE_V2_EQ_DB_PARA_M, | |
4855 | HNS_ROCE_V2_EQ_DB_PARA_S, | |
4856 | (eq->cons_index & HNS_ROCE_V2_CONS_IDX_M)); | |
4857 | ||
d3743fa9 | 4858 | hns_roce_write64(hr_dev, doorbell, eq->doorbell); |
a5073d60 YL |
4859 | } |
4860 | ||
a5073d60 YL |
4861 | static struct hns_roce_aeqe *get_aeqe_v2(struct hns_roce_eq *eq, u32 entry) |
4862 | { | |
4863 | u32 buf_chk_sz; | |
4864 | unsigned long off; | |
4865 | ||
4866 | buf_chk_sz = 1 << (eq->eqe_buf_pg_sz + PAGE_SHIFT); | |
4867 | off = (entry & (eq->entries - 1)) * HNS_ROCE_AEQ_ENTRY_SIZE; | |
4868 | ||
4869 | return (struct hns_roce_aeqe *)((char *)(eq->buf_list->buf) + | |
4870 | off % buf_chk_sz); | |
4871 | } | |
4872 | ||
4873 | static struct hns_roce_aeqe *mhop_get_aeqe(struct hns_roce_eq *eq, u32 entry) | |
4874 | { | |
4875 | u32 buf_chk_sz; | |
4876 | unsigned long off; | |
4877 | ||
4878 | buf_chk_sz = 1 << (eq->eqe_buf_pg_sz + PAGE_SHIFT); | |
4879 | ||
4880 | off = (entry & (eq->entries - 1)) * HNS_ROCE_AEQ_ENTRY_SIZE; | |
4881 | ||
4882 | if (eq->hop_num == HNS_ROCE_HOP_NUM_0) | |
4883 | return (struct hns_roce_aeqe *)((u8 *)(eq->bt_l0) + | |
4884 | off % buf_chk_sz); | |
4885 | else | |
4886 | return (struct hns_roce_aeqe *)((u8 *) | |
4887 | (eq->buf[off / buf_chk_sz]) + off % buf_chk_sz); | |
4888 | } | |
4889 | ||
4890 | static struct hns_roce_aeqe *next_aeqe_sw_v2(struct hns_roce_eq *eq) | |
4891 | { | |
4892 | struct hns_roce_aeqe *aeqe; | |
4893 | ||
4894 | if (!eq->hop_num) | |
4895 | aeqe = get_aeqe_v2(eq, eq->cons_index); | |
4896 | else | |
4897 | aeqe = mhop_get_aeqe(eq, eq->cons_index); | |
4898 | ||
4899 | return (roce_get_bit(aeqe->asyn, HNS_ROCE_V2_AEQ_AEQE_OWNER_S) ^ | |
4900 | !!(eq->cons_index & eq->entries)) ? aeqe : NULL; | |
4901 | } | |
4902 | ||
4903 | static int hns_roce_v2_aeq_int(struct hns_roce_dev *hr_dev, | |
4904 | struct hns_roce_eq *eq) | |
4905 | { | |
4906 | struct device *dev = hr_dev->dev; | |
4907 | struct hns_roce_aeqe *aeqe; | |
4908 | int aeqe_found = 0; | |
4909 | int event_type; | |
0425e3e6 | 4910 | int sub_type; |
81fce629 | 4911 | u32 srqn; |
0425e3e6 YL |
4912 | u32 qpn; |
4913 | u32 cqn; | |
a5073d60 YL |
4914 | |
4915 | while ((aeqe = next_aeqe_sw_v2(eq))) { | |
4044a3f4 YL |
4916 | |
4917 | /* Make sure we read AEQ entry after we have checked the | |
4918 | * ownership bit | |
4919 | */ | |
4920 | dma_rmb(); | |
a5073d60 YL |
4921 | |
4922 | event_type = roce_get_field(aeqe->asyn, | |
4923 | HNS_ROCE_V2_AEQE_EVENT_TYPE_M, | |
4924 | HNS_ROCE_V2_AEQE_EVENT_TYPE_S); | |
0425e3e6 YL |
4925 | sub_type = roce_get_field(aeqe->asyn, |
4926 | HNS_ROCE_V2_AEQE_SUB_TYPE_M, | |
4927 | HNS_ROCE_V2_AEQE_SUB_TYPE_S); | |
4928 | qpn = roce_get_field(aeqe->event.qp_event.qp, | |
4929 | HNS_ROCE_V2_AEQE_EVENT_QUEUE_NUM_M, | |
4930 | HNS_ROCE_V2_AEQE_EVENT_QUEUE_NUM_S); | |
4931 | cqn = roce_get_field(aeqe->event.cq_event.cq, | |
4932 | HNS_ROCE_V2_AEQE_EVENT_QUEUE_NUM_M, | |
4933 | HNS_ROCE_V2_AEQE_EVENT_QUEUE_NUM_S); | |
81fce629 LO |
4934 | srqn = roce_get_field(aeqe->event.srq_event.srq, |
4935 | HNS_ROCE_V2_AEQE_EVENT_QUEUE_NUM_M, | |
4936 | HNS_ROCE_V2_AEQE_EVENT_QUEUE_NUM_S); | |
a5073d60 YL |
4937 | |
4938 | switch (event_type) { | |
4939 | case HNS_ROCE_EVENT_TYPE_PATH_MIG: | |
a5073d60 | 4940 | case HNS_ROCE_EVENT_TYPE_PATH_MIG_FAILED: |
a5073d60 YL |
4941 | case HNS_ROCE_EVENT_TYPE_COMM_EST: |
4942 | case HNS_ROCE_EVENT_TYPE_SQ_DRAINED: | |
4943 | case HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR: | |
81fce629 | 4944 | case HNS_ROCE_EVENT_TYPE_SRQ_LAST_WQE_REACH: |
a5073d60 YL |
4945 | case HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR: |
4946 | case HNS_ROCE_EVENT_TYPE_LOCAL_WQ_ACCESS_ERROR: | |
b00a92c8 | 4947 | hns_roce_qp_event(hr_dev, qpn, event_type); |
a5073d60 YL |
4948 | break; |
4949 | case HNS_ROCE_EVENT_TYPE_SRQ_LIMIT_REACH: | |
a5073d60 | 4950 | case HNS_ROCE_EVENT_TYPE_SRQ_CATAS_ERROR: |
81fce629 | 4951 | hns_roce_srq_event(hr_dev, srqn, event_type); |
a5073d60 YL |
4952 | break; |
4953 | case HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR: | |
4954 | case HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW: | |
b00a92c8 | 4955 | hns_roce_cq_event(hr_dev, cqn, event_type); |
a5073d60 YL |
4956 | break; |
4957 | case HNS_ROCE_EVENT_TYPE_DB_OVERFLOW: | |
a5073d60 YL |
4958 | break; |
4959 | case HNS_ROCE_EVENT_TYPE_MB: | |
4960 | hns_roce_cmd_event(hr_dev, | |
4961 | le16_to_cpu(aeqe->event.cmd.token), | |
4962 | aeqe->event.cmd.status, | |
4963 | le64_to_cpu(aeqe->event.cmd.out_param)); | |
4964 | break; | |
4965 | case HNS_ROCE_EVENT_TYPE_CEQ_OVERFLOW: | |
a5073d60 YL |
4966 | break; |
4967 | case HNS_ROCE_EVENT_TYPE_FLR: | |
a5073d60 YL |
4968 | break; |
4969 | default: | |
4970 | dev_err(dev, "Unhandled event %d on EQ %d at idx %u.\n", | |
4971 | event_type, eq->eqn, eq->cons_index); | |
4972 | break; | |
790b57f6 | 4973 | } |
a5073d60 | 4974 | |
0425e3e6 YL |
4975 | eq->event_type = event_type; |
4976 | eq->sub_type = sub_type; | |
a5073d60 YL |
4977 | ++eq->cons_index; |
4978 | aeqe_found = 1; | |
4979 | ||
4980 | if (eq->cons_index > (2 * eq->entries - 1)) { | |
4981 | dev_warn(dev, "cons_index overflow, set back to 0.\n"); | |
4982 | eq->cons_index = 0; | |
4983 | } | |
b00a92c8 | 4984 | hns_roce_v2_init_irq_work(hr_dev, eq, qpn, cqn); |
a5073d60 YL |
4985 | } |
4986 | ||
4987 | set_eq_cons_index_v2(eq); | |
4988 | return aeqe_found; | |
4989 | } | |
4990 | ||
4991 | static struct hns_roce_ceqe *get_ceqe_v2(struct hns_roce_eq *eq, u32 entry) | |
4992 | { | |
4993 | u32 buf_chk_sz; | |
4994 | unsigned long off; | |
4995 | ||
4996 | buf_chk_sz = 1 << (eq->eqe_buf_pg_sz + PAGE_SHIFT); | |
4997 | off = (entry & (eq->entries - 1)) * HNS_ROCE_CEQ_ENTRY_SIZE; | |
4998 | ||
4999 | return (struct hns_roce_ceqe *)((char *)(eq->buf_list->buf) + | |
5000 | off % buf_chk_sz); | |
5001 | } | |
5002 | ||
5003 | static struct hns_roce_ceqe *mhop_get_ceqe(struct hns_roce_eq *eq, u32 entry) | |
5004 | { | |
5005 | u32 buf_chk_sz; | |
5006 | unsigned long off; | |
5007 | ||
5008 | buf_chk_sz = 1 << (eq->eqe_buf_pg_sz + PAGE_SHIFT); | |
5009 | ||
5010 | off = (entry & (eq->entries - 1)) * HNS_ROCE_CEQ_ENTRY_SIZE; | |
5011 | ||
5012 | if (eq->hop_num == HNS_ROCE_HOP_NUM_0) | |
5013 | return (struct hns_roce_ceqe *)((u8 *)(eq->bt_l0) + | |
5014 | off % buf_chk_sz); | |
5015 | else | |
5016 | return (struct hns_roce_ceqe *)((u8 *)(eq->buf[off / | |
5017 | buf_chk_sz]) + off % buf_chk_sz); | |
5018 | } | |
5019 | ||
5020 | static struct hns_roce_ceqe *next_ceqe_sw_v2(struct hns_roce_eq *eq) | |
5021 | { | |
5022 | struct hns_roce_ceqe *ceqe; | |
5023 | ||
5024 | if (!eq->hop_num) | |
5025 | ceqe = get_ceqe_v2(eq, eq->cons_index); | |
5026 | else | |
5027 | ceqe = mhop_get_ceqe(eq, eq->cons_index); | |
5028 | ||
5029 | return (!!(roce_get_bit(ceqe->comp, HNS_ROCE_V2_CEQ_CEQE_OWNER_S))) ^ | |
5030 | (!!(eq->cons_index & eq->entries)) ? ceqe : NULL; | |
5031 | } | |
5032 | ||
5033 | static int hns_roce_v2_ceq_int(struct hns_roce_dev *hr_dev, | |
5034 | struct hns_roce_eq *eq) | |
5035 | { | |
5036 | struct device *dev = hr_dev->dev; | |
5037 | struct hns_roce_ceqe *ceqe; | |
5038 | int ceqe_found = 0; | |
5039 | u32 cqn; | |
5040 | ||
5041 | while ((ceqe = next_ceqe_sw_v2(eq))) { | |
5042 | ||
4044a3f4 YL |
5043 | /* Make sure we read CEQ entry after we have checked the |
5044 | * ownership bit | |
5045 | */ | |
5046 | dma_rmb(); | |
5047 | ||
a5073d60 YL |
5048 | cqn = roce_get_field(ceqe->comp, |
5049 | HNS_ROCE_V2_CEQE_COMP_CQN_M, | |
5050 | HNS_ROCE_V2_CEQE_COMP_CQN_S); | |
5051 | ||
5052 | hns_roce_cq_completion(hr_dev, cqn); | |
5053 | ||
5054 | ++eq->cons_index; | |
5055 | ceqe_found = 1; | |
5056 | ||
5057 | if (eq->cons_index > (2 * eq->entries - 1)) { | |
5058 | dev_warn(dev, "cons_index overflow, set back to 0.\n"); | |
5059 | eq->cons_index = 0; | |
5060 | } | |
5061 | } | |
5062 | ||
5063 | set_eq_cons_index_v2(eq); | |
5064 | ||
5065 | return ceqe_found; | |
5066 | } | |
5067 | ||
5068 | static irqreturn_t hns_roce_v2_msix_interrupt_eq(int irq, void *eq_ptr) | |
5069 | { | |
5070 | struct hns_roce_eq *eq = eq_ptr; | |
5071 | struct hns_roce_dev *hr_dev = eq->hr_dev; | |
5072 | int int_work = 0; | |
5073 | ||
5074 | if (eq->type_flag == HNS_ROCE_CEQ) | |
5075 | /* Completion event interrupt */ | |
5076 | int_work = hns_roce_v2_ceq_int(hr_dev, eq); | |
5077 | else | |
5078 | /* Asychronous event interrupt */ | |
5079 | int_work = hns_roce_v2_aeq_int(hr_dev, eq); | |
5080 | ||
5081 | return IRQ_RETVAL(int_work); | |
5082 | } | |
5083 | ||
5084 | static irqreturn_t hns_roce_v2_msix_interrupt_abn(int irq, void *dev_id) | |
5085 | { | |
5086 | struct hns_roce_dev *hr_dev = dev_id; | |
5087 | struct device *dev = hr_dev->dev; | |
5088 | int int_work = 0; | |
5089 | u32 int_st; | |
5090 | u32 int_en; | |
5091 | ||
5092 | /* Abnormal interrupt */ | |
5093 | int_st = roce_read(hr_dev, ROCEE_VF_ABN_INT_ST_REG); | |
5094 | int_en = roce_read(hr_dev, ROCEE_VF_ABN_INT_EN_REG); | |
5095 | ||
5096 | if (roce_get_bit(int_st, HNS_ROCE_V2_VF_INT_ST_AEQ_OVERFLOW_S)) { | |
2b9acb9a XT |
5097 | struct pci_dev *pdev = hr_dev->pci_dev; |
5098 | struct hnae3_ae_dev *ae_dev = pci_get_drvdata(pdev); | |
5099 | const struct hnae3_ae_ops *ops = ae_dev->ops; | |
5100 | ||
a5073d60 YL |
5101 | dev_err(dev, "AEQ overflow!\n"); |
5102 | ||
5103 | roce_set_bit(int_st, HNS_ROCE_V2_VF_INT_ST_AEQ_OVERFLOW_S, 1); | |
5104 | roce_write(hr_dev, ROCEE_VF_ABN_INT_ST_REG, int_st); | |
5105 | ||
2b9acb9a XT |
5106 | /* Set reset level for reset_event() */ |
5107 | if (ops->set_default_reset_request) | |
5108 | ops->set_default_reset_request(ae_dev, | |
5109 | HNAE3_FUNC_RESET); | |
5110 | if (ops->reset_event) | |
5111 | ops->reset_event(pdev, NULL); | |
5112 | ||
a5073d60 YL |
5113 | roce_set_bit(int_en, HNS_ROCE_V2_VF_ABN_INT_EN_S, 1); |
5114 | roce_write(hr_dev, ROCEE_VF_ABN_INT_EN_REG, int_en); | |
5115 | ||
5116 | int_work = 1; | |
5117 | } else if (roce_get_bit(int_st, HNS_ROCE_V2_VF_INT_ST_BUS_ERR_S)) { | |
5118 | dev_err(dev, "BUS ERR!\n"); | |
5119 | ||
5120 | roce_set_bit(int_st, HNS_ROCE_V2_VF_INT_ST_BUS_ERR_S, 1); | |
5121 | roce_write(hr_dev, ROCEE_VF_ABN_INT_ST_REG, int_st); | |
5122 | ||
a5073d60 YL |
5123 | roce_set_bit(int_en, HNS_ROCE_V2_VF_ABN_INT_EN_S, 1); |
5124 | roce_write(hr_dev, ROCEE_VF_ABN_INT_EN_REG, int_en); | |
5125 | ||
5126 | int_work = 1; | |
5127 | } else if (roce_get_bit(int_st, HNS_ROCE_V2_VF_INT_ST_OTHER_ERR_S)) { | |
5128 | dev_err(dev, "OTHER ERR!\n"); | |
5129 | ||
5130 | roce_set_bit(int_st, HNS_ROCE_V2_VF_INT_ST_OTHER_ERR_S, 1); | |
5131 | roce_write(hr_dev, ROCEE_VF_ABN_INT_ST_REG, int_st); | |
5132 | ||
a5073d60 YL |
5133 | roce_set_bit(int_en, HNS_ROCE_V2_VF_ABN_INT_EN_S, 1); |
5134 | roce_write(hr_dev, ROCEE_VF_ABN_INT_EN_REG, int_en); | |
5135 | ||
5136 | int_work = 1; | |
5137 | } else | |
5138 | dev_err(dev, "There is no abnormal irq found!\n"); | |
5139 | ||
5140 | return IRQ_RETVAL(int_work); | |
5141 | } | |
5142 | ||
5143 | static void hns_roce_v2_int_mask_enable(struct hns_roce_dev *hr_dev, | |
5144 | int eq_num, int enable_flag) | |
5145 | { | |
5146 | int i; | |
5147 | ||
5148 | if (enable_flag == EQ_ENABLE) { | |
5149 | for (i = 0; i < eq_num; i++) | |
5150 | roce_write(hr_dev, ROCEE_VF_EVENT_INT_EN_REG + | |
5151 | i * EQ_REG_OFFSET, | |
5152 | HNS_ROCE_V2_VF_EVENT_INT_EN_M); | |
5153 | ||
5154 | roce_write(hr_dev, ROCEE_VF_ABN_INT_EN_REG, | |
5155 | HNS_ROCE_V2_VF_ABN_INT_EN_M); | |
5156 | roce_write(hr_dev, ROCEE_VF_ABN_INT_CFG_REG, | |
5157 | HNS_ROCE_V2_VF_ABN_INT_CFG_M); | |
5158 | } else { | |
5159 | for (i = 0; i < eq_num; i++) | |
5160 | roce_write(hr_dev, ROCEE_VF_EVENT_INT_EN_REG + | |
5161 | i * EQ_REG_OFFSET, | |
5162 | HNS_ROCE_V2_VF_EVENT_INT_EN_M & 0x0); | |
5163 | ||
5164 | roce_write(hr_dev, ROCEE_VF_ABN_INT_EN_REG, | |
5165 | HNS_ROCE_V2_VF_ABN_INT_EN_M & 0x0); | |
5166 | roce_write(hr_dev, ROCEE_VF_ABN_INT_CFG_REG, | |
5167 | HNS_ROCE_V2_VF_ABN_INT_CFG_M & 0x0); | |
5168 | } | |
5169 | } | |
5170 | ||
5171 | static void hns_roce_v2_destroy_eqc(struct hns_roce_dev *hr_dev, int eqn) | |
5172 | { | |
5173 | struct device *dev = hr_dev->dev; | |
5174 | int ret; | |
5175 | ||
5176 | if (eqn < hr_dev->caps.num_comp_vectors) | |
5177 | ret = hns_roce_cmd_mbox(hr_dev, 0, 0, eqn & HNS_ROCE_V2_EQN_M, | |
5178 | 0, HNS_ROCE_CMD_DESTROY_CEQC, | |
5179 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
5180 | else | |
5181 | ret = hns_roce_cmd_mbox(hr_dev, 0, 0, eqn & HNS_ROCE_V2_EQN_M, | |
5182 | 0, HNS_ROCE_CMD_DESTROY_AEQC, | |
5183 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
5184 | if (ret) | |
5185 | dev_err(dev, "[mailbox cmd] destroy eqc(%d) failed.\n", eqn); | |
5186 | } | |
5187 | ||
5188 | static void hns_roce_mhop_free_eq(struct hns_roce_dev *hr_dev, | |
5189 | struct hns_roce_eq *eq) | |
5190 | { | |
5191 | struct device *dev = hr_dev->dev; | |
5192 | u64 idx; | |
5193 | u64 size; | |
5194 | u32 buf_chk_sz; | |
5195 | u32 bt_chk_sz; | |
5196 | u32 mhop_num; | |
5197 | int eqe_alloc; | |
a5073d60 YL |
5198 | int i = 0; |
5199 | int j = 0; | |
5200 | ||
5201 | mhop_num = hr_dev->caps.eqe_hop_num; | |
5202 | buf_chk_sz = 1 << (hr_dev->caps.eqe_buf_pg_sz + PAGE_SHIFT); | |
5203 | bt_chk_sz = 1 << (hr_dev->caps.eqe_ba_pg_sz + PAGE_SHIFT); | |
a5073d60 YL |
5204 | |
5205 | /* hop_num = 0 */ | |
5206 | if (mhop_num == HNS_ROCE_HOP_NUM_0) { | |
5207 | dma_free_coherent(dev, (unsigned int)(eq->entries * | |
5208 | eq->eqe_size), eq->bt_l0, eq->l0_dma); | |
5209 | return; | |
5210 | } | |
5211 | ||
5212 | /* hop_num = 1 or hop = 2 */ | |
5213 | dma_free_coherent(dev, bt_chk_sz, eq->bt_l0, eq->l0_dma); | |
5214 | if (mhop_num == 1) { | |
5215 | for (i = 0; i < eq->l0_last_num; i++) { | |
5216 | if (i == eq->l0_last_num - 1) { | |
5217 | eqe_alloc = i * (buf_chk_sz / eq->eqe_size); | |
5218 | size = (eq->entries - eqe_alloc) * eq->eqe_size; | |
5219 | dma_free_coherent(dev, size, eq->buf[i], | |
5220 | eq->buf_dma[i]); | |
5221 | break; | |
5222 | } | |
5223 | dma_free_coherent(dev, buf_chk_sz, eq->buf[i], | |
5224 | eq->buf_dma[i]); | |
5225 | } | |
5226 | } else if (mhop_num == 2) { | |
5227 | for (i = 0; i < eq->l0_last_num; i++) { | |
5228 | dma_free_coherent(dev, bt_chk_sz, eq->bt_l1[i], | |
5229 | eq->l1_dma[i]); | |
5230 | ||
2a3d923f LO |
5231 | for (j = 0; j < bt_chk_sz / BA_BYTE_LEN; j++) { |
5232 | idx = i * (bt_chk_sz / BA_BYTE_LEN) + j; | |
a5073d60 YL |
5233 | if ((i == eq->l0_last_num - 1) |
5234 | && j == eq->l1_last_num - 1) { | |
5235 | eqe_alloc = (buf_chk_sz / eq->eqe_size) | |
5236 | * idx; | |
5237 | size = (eq->entries - eqe_alloc) | |
5238 | * eq->eqe_size; | |
5239 | dma_free_coherent(dev, size, | |
5240 | eq->buf[idx], | |
5241 | eq->buf_dma[idx]); | |
5242 | break; | |
5243 | } | |
5244 | dma_free_coherent(dev, buf_chk_sz, eq->buf[idx], | |
5245 | eq->buf_dma[idx]); | |
5246 | } | |
5247 | } | |
5248 | } | |
5249 | kfree(eq->buf_dma); | |
5250 | kfree(eq->buf); | |
5251 | kfree(eq->l1_dma); | |
5252 | kfree(eq->bt_l1); | |
5253 | eq->buf_dma = NULL; | |
5254 | eq->buf = NULL; | |
5255 | eq->l1_dma = NULL; | |
5256 | eq->bt_l1 = NULL; | |
5257 | } | |
5258 | ||
5259 | static void hns_roce_v2_free_eq(struct hns_roce_dev *hr_dev, | |
5260 | struct hns_roce_eq *eq) | |
5261 | { | |
5262 | u32 buf_chk_sz; | |
5263 | ||
5264 | buf_chk_sz = 1 << (eq->eqe_buf_pg_sz + PAGE_SHIFT); | |
5265 | ||
5266 | if (hr_dev->caps.eqe_hop_num) { | |
5267 | hns_roce_mhop_free_eq(hr_dev, eq); | |
5268 | return; | |
5269 | } | |
5270 | ||
5271 | if (eq->buf_list) | |
5272 | dma_free_coherent(hr_dev->dev, buf_chk_sz, | |
5273 | eq->buf_list->buf, eq->buf_list->map); | |
5274 | } | |
5275 | ||
5276 | static void hns_roce_config_eqc(struct hns_roce_dev *hr_dev, | |
5277 | struct hns_roce_eq *eq, | |
5278 | void *mb_buf) | |
5279 | { | |
5280 | struct hns_roce_eq_context *eqc; | |
5281 | ||
5282 | eqc = mb_buf; | |
5283 | memset(eqc, 0, sizeof(struct hns_roce_eq_context)); | |
5284 | ||
5285 | /* init eqc */ | |
5286 | eq->doorbell = hr_dev->reg_base + ROCEE_VF_EQ_DB_CFG0_REG; | |
5287 | eq->hop_num = hr_dev->caps.eqe_hop_num; | |
5288 | eq->cons_index = 0; | |
5289 | eq->over_ignore = HNS_ROCE_V2_EQ_OVER_IGNORE_0; | |
5290 | eq->coalesce = HNS_ROCE_V2_EQ_COALESCE_0; | |
5291 | eq->arm_st = HNS_ROCE_V2_EQ_ALWAYS_ARMED; | |
5292 | eq->eqe_ba_pg_sz = hr_dev->caps.eqe_ba_pg_sz; | |
5293 | eq->eqe_buf_pg_sz = hr_dev->caps.eqe_buf_pg_sz; | |
5294 | eq->shift = ilog2((unsigned int)eq->entries); | |
5295 | ||
5296 | if (!eq->hop_num) | |
5297 | eq->eqe_ba = eq->buf_list->map; | |
5298 | else | |
5299 | eq->eqe_ba = eq->l0_dma; | |
5300 | ||
5301 | /* set eqc state */ | |
5302 | roce_set_field(eqc->byte_4, | |
5303 | HNS_ROCE_EQC_EQ_ST_M, | |
5304 | HNS_ROCE_EQC_EQ_ST_S, | |
5305 | HNS_ROCE_V2_EQ_STATE_VALID); | |
5306 | ||
5307 | /* set eqe hop num */ | |
5308 | roce_set_field(eqc->byte_4, | |
5309 | HNS_ROCE_EQC_HOP_NUM_M, | |
5310 | HNS_ROCE_EQC_HOP_NUM_S, eq->hop_num); | |
5311 | ||
5312 | /* set eqc over_ignore */ | |
5313 | roce_set_field(eqc->byte_4, | |
5314 | HNS_ROCE_EQC_OVER_IGNORE_M, | |
5315 | HNS_ROCE_EQC_OVER_IGNORE_S, eq->over_ignore); | |
5316 | ||
5317 | /* set eqc coalesce */ | |
5318 | roce_set_field(eqc->byte_4, | |
5319 | HNS_ROCE_EQC_COALESCE_M, | |
5320 | HNS_ROCE_EQC_COALESCE_S, eq->coalesce); | |
5321 | ||
5322 | /* set eqc arm_state */ | |
5323 | roce_set_field(eqc->byte_4, | |
5324 | HNS_ROCE_EQC_ARM_ST_M, | |
5325 | HNS_ROCE_EQC_ARM_ST_S, eq->arm_st); | |
5326 | ||
5327 | /* set eqn */ | |
5328 | roce_set_field(eqc->byte_4, | |
5329 | HNS_ROCE_EQC_EQN_M, | |
5330 | HNS_ROCE_EQC_EQN_S, eq->eqn); | |
5331 | ||
5332 | /* set eqe_cnt */ | |
5333 | roce_set_field(eqc->byte_4, | |
5334 | HNS_ROCE_EQC_EQE_CNT_M, | |
5335 | HNS_ROCE_EQC_EQE_CNT_S, | |
5336 | HNS_ROCE_EQ_INIT_EQE_CNT); | |
5337 | ||
5338 | /* set eqe_ba_pg_sz */ | |
5339 | roce_set_field(eqc->byte_8, | |
5340 | HNS_ROCE_EQC_BA_PG_SZ_M, | |
5e6e78db YL |
5341 | HNS_ROCE_EQC_BA_PG_SZ_S, |
5342 | eq->eqe_ba_pg_sz + PG_SHIFT_OFFSET); | |
a5073d60 YL |
5343 | |
5344 | /* set eqe_buf_pg_sz */ | |
5345 | roce_set_field(eqc->byte_8, | |
5346 | HNS_ROCE_EQC_BUF_PG_SZ_M, | |
5e6e78db YL |
5347 | HNS_ROCE_EQC_BUF_PG_SZ_S, |
5348 | eq->eqe_buf_pg_sz + PG_SHIFT_OFFSET); | |
a5073d60 YL |
5349 | |
5350 | /* set eq_producer_idx */ | |
5351 | roce_set_field(eqc->byte_8, | |
5352 | HNS_ROCE_EQC_PROD_INDX_M, | |
5353 | HNS_ROCE_EQC_PROD_INDX_S, | |
5354 | HNS_ROCE_EQ_INIT_PROD_IDX); | |
5355 | ||
5356 | /* set eq_max_cnt */ | |
5357 | roce_set_field(eqc->byte_12, | |
5358 | HNS_ROCE_EQC_MAX_CNT_M, | |
5359 | HNS_ROCE_EQC_MAX_CNT_S, eq->eq_max_cnt); | |
5360 | ||
5361 | /* set eq_period */ | |
5362 | roce_set_field(eqc->byte_12, | |
5363 | HNS_ROCE_EQC_PERIOD_M, | |
5364 | HNS_ROCE_EQC_PERIOD_S, eq->eq_period); | |
5365 | ||
5366 | /* set eqe_report_timer */ | |
5367 | roce_set_field(eqc->eqe_report_timer, | |
5368 | HNS_ROCE_EQC_REPORT_TIMER_M, | |
5369 | HNS_ROCE_EQC_REPORT_TIMER_S, | |
5370 | HNS_ROCE_EQ_INIT_REPORT_TIMER); | |
5371 | ||
5372 | /* set eqe_ba [34:3] */ | |
5373 | roce_set_field(eqc->eqe_ba0, | |
5374 | HNS_ROCE_EQC_EQE_BA_L_M, | |
5375 | HNS_ROCE_EQC_EQE_BA_L_S, eq->eqe_ba >> 3); | |
5376 | ||
5377 | /* set eqe_ba [64:35] */ | |
5378 | roce_set_field(eqc->eqe_ba1, | |
5379 | HNS_ROCE_EQC_EQE_BA_H_M, | |
5380 | HNS_ROCE_EQC_EQE_BA_H_S, eq->eqe_ba >> 35); | |
5381 | ||
5382 | /* set eq shift */ | |
5383 | roce_set_field(eqc->byte_28, | |
5384 | HNS_ROCE_EQC_SHIFT_M, | |
5385 | HNS_ROCE_EQC_SHIFT_S, eq->shift); | |
5386 | ||
5387 | /* set eq MSI_IDX */ | |
5388 | roce_set_field(eqc->byte_28, | |
5389 | HNS_ROCE_EQC_MSI_INDX_M, | |
5390 | HNS_ROCE_EQC_MSI_INDX_S, | |
5391 | HNS_ROCE_EQ_INIT_MSI_IDX); | |
5392 | ||
5393 | /* set cur_eqe_ba [27:12] */ | |
5394 | roce_set_field(eqc->byte_28, | |
5395 | HNS_ROCE_EQC_CUR_EQE_BA_L_M, | |
5396 | HNS_ROCE_EQC_CUR_EQE_BA_L_S, eq->cur_eqe_ba >> 12); | |
5397 | ||
5398 | /* set cur_eqe_ba [59:28] */ | |
5399 | roce_set_field(eqc->byte_32, | |
5400 | HNS_ROCE_EQC_CUR_EQE_BA_M_M, | |
5401 | HNS_ROCE_EQC_CUR_EQE_BA_M_S, eq->cur_eqe_ba >> 28); | |
5402 | ||
5403 | /* set cur_eqe_ba [63:60] */ | |
5404 | roce_set_field(eqc->byte_36, | |
5405 | HNS_ROCE_EQC_CUR_EQE_BA_H_M, | |
5406 | HNS_ROCE_EQC_CUR_EQE_BA_H_S, eq->cur_eqe_ba >> 60); | |
5407 | ||
5408 | /* set eq consumer idx */ | |
5409 | roce_set_field(eqc->byte_36, | |
5410 | HNS_ROCE_EQC_CONS_INDX_M, | |
5411 | HNS_ROCE_EQC_CONS_INDX_S, | |
5412 | HNS_ROCE_EQ_INIT_CONS_IDX); | |
5413 | ||
5414 | /* set nex_eqe_ba[43:12] */ | |
5415 | roce_set_field(eqc->nxt_eqe_ba0, | |
5416 | HNS_ROCE_EQC_NXT_EQE_BA_L_M, | |
5417 | HNS_ROCE_EQC_NXT_EQE_BA_L_S, eq->nxt_eqe_ba >> 12); | |
5418 | ||
5419 | /* set nex_eqe_ba[63:44] */ | |
5420 | roce_set_field(eqc->nxt_eqe_ba1, | |
5421 | HNS_ROCE_EQC_NXT_EQE_BA_H_M, | |
5422 | HNS_ROCE_EQC_NXT_EQE_BA_H_S, eq->nxt_eqe_ba >> 44); | |
5423 | } | |
5424 | ||
5425 | static int hns_roce_mhop_alloc_eq(struct hns_roce_dev *hr_dev, | |
5426 | struct hns_roce_eq *eq) | |
5427 | { | |
5428 | struct device *dev = hr_dev->dev; | |
5429 | int eq_alloc_done = 0; | |
5430 | int eq_buf_cnt = 0; | |
5431 | int eqe_alloc; | |
5432 | u32 buf_chk_sz; | |
5433 | u32 bt_chk_sz; | |
5434 | u32 mhop_num; | |
5435 | u64 size; | |
5436 | u64 idx; | |
5437 | int ba_num; | |
5438 | int bt_num; | |
5439 | int record_i; | |
5440 | int record_j; | |
5441 | int i = 0; | |
5442 | int j = 0; | |
5443 | ||
5444 | mhop_num = hr_dev->caps.eqe_hop_num; | |
5445 | buf_chk_sz = 1 << (hr_dev->caps.eqe_buf_pg_sz + PAGE_SHIFT); | |
5446 | bt_chk_sz = 1 << (hr_dev->caps.eqe_ba_pg_sz + PAGE_SHIFT); | |
5447 | ||
2a3d923f LO |
5448 | ba_num = DIV_ROUND_UP(PAGE_ALIGN(eq->entries * eq->eqe_size), |
5449 | buf_chk_sz); | |
5450 | bt_num = DIV_ROUND_UP(ba_num, bt_chk_sz / BA_BYTE_LEN); | |
a5073d60 YL |
5451 | |
5452 | /* hop_num = 0 */ | |
5453 | if (mhop_num == HNS_ROCE_HOP_NUM_0) { | |
5454 | if (eq->entries > buf_chk_sz / eq->eqe_size) { | |
5455 | dev_err(dev, "eq entries %d is larger than buf_pg_sz!", | |
5456 | eq->entries); | |
5457 | return -EINVAL; | |
5458 | } | |
5459 | eq->bt_l0 = dma_alloc_coherent(dev, eq->entries * eq->eqe_size, | |
5460 | &(eq->l0_dma), GFP_KERNEL); | |
5461 | if (!eq->bt_l0) | |
5462 | return -ENOMEM; | |
5463 | ||
5464 | eq->cur_eqe_ba = eq->l0_dma; | |
5465 | eq->nxt_eqe_ba = 0; | |
5466 | ||
a5073d60 YL |
5467 | return 0; |
5468 | } | |
5469 | ||
5470 | eq->buf_dma = kcalloc(ba_num, sizeof(*eq->buf_dma), GFP_KERNEL); | |
5471 | if (!eq->buf_dma) | |
5472 | return -ENOMEM; | |
5473 | eq->buf = kcalloc(ba_num, sizeof(*eq->buf), GFP_KERNEL); | |
5474 | if (!eq->buf) | |
5475 | goto err_kcalloc_buf; | |
5476 | ||
5477 | if (mhop_num == 2) { | |
5478 | eq->l1_dma = kcalloc(bt_num, sizeof(*eq->l1_dma), GFP_KERNEL); | |
5479 | if (!eq->l1_dma) | |
5480 | goto err_kcalloc_l1_dma; | |
5481 | ||
5482 | eq->bt_l1 = kcalloc(bt_num, sizeof(*eq->bt_l1), GFP_KERNEL); | |
5483 | if (!eq->bt_l1) | |
5484 | goto err_kcalloc_bt_l1; | |
5485 | } | |
5486 | ||
5487 | /* alloc L0 BT */ | |
5488 | eq->bt_l0 = dma_alloc_coherent(dev, bt_chk_sz, &eq->l0_dma, GFP_KERNEL); | |
5489 | if (!eq->bt_l0) | |
5490 | goto err_dma_alloc_l0; | |
5491 | ||
5492 | if (mhop_num == 1) { | |
2a3d923f | 5493 | if (ba_num > (bt_chk_sz / BA_BYTE_LEN)) |
a5073d60 YL |
5494 | dev_err(dev, "ba_num %d is too large for 1 hop\n", |
5495 | ba_num); | |
5496 | ||
5497 | /* alloc buf */ | |
2a3d923f | 5498 | for (i = 0; i < bt_chk_sz / BA_BYTE_LEN; i++) { |
a5073d60 YL |
5499 | if (eq_buf_cnt + 1 < ba_num) { |
5500 | size = buf_chk_sz; | |
5501 | } else { | |
5502 | eqe_alloc = i * (buf_chk_sz / eq->eqe_size); | |
5503 | size = (eq->entries - eqe_alloc) * eq->eqe_size; | |
5504 | } | |
750afb08 | 5505 | eq->buf[i] = dma_alloc_coherent(dev, size, |
a5073d60 YL |
5506 | &(eq->buf_dma[i]), |
5507 | GFP_KERNEL); | |
5508 | if (!eq->buf[i]) | |
5509 | goto err_dma_alloc_buf; | |
5510 | ||
a5073d60 YL |
5511 | *(eq->bt_l0 + i) = eq->buf_dma[i]; |
5512 | ||
5513 | eq_buf_cnt++; | |
5514 | if (eq_buf_cnt >= ba_num) | |
5515 | break; | |
5516 | } | |
5517 | eq->cur_eqe_ba = eq->buf_dma[0]; | |
5518 | eq->nxt_eqe_ba = eq->buf_dma[1]; | |
5519 | ||
5520 | } else if (mhop_num == 2) { | |
5521 | /* alloc L1 BT and buf */ | |
2a3d923f | 5522 | for (i = 0; i < bt_chk_sz / BA_BYTE_LEN; i++) { |
a5073d60 YL |
5523 | eq->bt_l1[i] = dma_alloc_coherent(dev, bt_chk_sz, |
5524 | &(eq->l1_dma[i]), | |
5525 | GFP_KERNEL); | |
5526 | if (!eq->bt_l1[i]) | |
5527 | goto err_dma_alloc_l1; | |
5528 | *(eq->bt_l0 + i) = eq->l1_dma[i]; | |
5529 | ||
2a3d923f LO |
5530 | for (j = 0; j < bt_chk_sz / BA_BYTE_LEN; j++) { |
5531 | idx = i * bt_chk_sz / BA_BYTE_LEN + j; | |
a5073d60 YL |
5532 | if (eq_buf_cnt + 1 < ba_num) { |
5533 | size = buf_chk_sz; | |
5534 | } else { | |
5535 | eqe_alloc = (buf_chk_sz / eq->eqe_size) | |
5536 | * idx; | |
5537 | size = (eq->entries - eqe_alloc) | |
5538 | * eq->eqe_size; | |
5539 | } | |
750afb08 LC |
5540 | eq->buf[idx] = dma_alloc_coherent(dev, size, |
5541 | &(eq->buf_dma[idx]), | |
5542 | GFP_KERNEL); | |
a5073d60 YL |
5543 | if (!eq->buf[idx]) |
5544 | goto err_dma_alloc_buf; | |
5545 | ||
a5073d60 YL |
5546 | *(eq->bt_l1[i] + j) = eq->buf_dma[idx]; |
5547 | ||
5548 | eq_buf_cnt++; | |
5549 | if (eq_buf_cnt >= ba_num) { | |
5550 | eq_alloc_done = 1; | |
5551 | break; | |
5552 | } | |
5553 | } | |
5554 | ||
5555 | if (eq_alloc_done) | |
5556 | break; | |
5557 | } | |
5558 | eq->cur_eqe_ba = eq->buf_dma[0]; | |
5559 | eq->nxt_eqe_ba = eq->buf_dma[1]; | |
5560 | } | |
5561 | ||
5562 | eq->l0_last_num = i + 1; | |
5563 | if (mhop_num == 2) | |
5564 | eq->l1_last_num = j + 1; | |
5565 | ||
5566 | return 0; | |
5567 | ||
5568 | err_dma_alloc_l1: | |
5569 | dma_free_coherent(dev, bt_chk_sz, eq->bt_l0, eq->l0_dma); | |
5570 | eq->bt_l0 = NULL; | |
5571 | eq->l0_dma = 0; | |
5572 | for (i -= 1; i >= 0; i--) { | |
5573 | dma_free_coherent(dev, bt_chk_sz, eq->bt_l1[i], | |
5574 | eq->l1_dma[i]); | |
5575 | ||
2a3d923f LO |
5576 | for (j = 0; j < bt_chk_sz / BA_BYTE_LEN; j++) { |
5577 | idx = i * bt_chk_sz / BA_BYTE_LEN + j; | |
a5073d60 YL |
5578 | dma_free_coherent(dev, buf_chk_sz, eq->buf[idx], |
5579 | eq->buf_dma[idx]); | |
5580 | } | |
5581 | } | |
5582 | goto err_dma_alloc_l0; | |
5583 | ||
5584 | err_dma_alloc_buf: | |
5585 | dma_free_coherent(dev, bt_chk_sz, eq->bt_l0, eq->l0_dma); | |
5586 | eq->bt_l0 = NULL; | |
5587 | eq->l0_dma = 0; | |
5588 | ||
5589 | if (mhop_num == 1) | |
38759d61 | 5590 | for (i -= 1; i >= 0; i--) |
a5073d60 YL |
5591 | dma_free_coherent(dev, buf_chk_sz, eq->buf[i], |
5592 | eq->buf_dma[i]); | |
5593 | else if (mhop_num == 2) { | |
5594 | record_i = i; | |
5595 | record_j = j; | |
5596 | for (; i >= 0; i--) { | |
5597 | dma_free_coherent(dev, bt_chk_sz, eq->bt_l1[i], | |
5598 | eq->l1_dma[i]); | |
5599 | ||
2a3d923f | 5600 | for (j = 0; j < bt_chk_sz / BA_BYTE_LEN; j++) { |
a5073d60 YL |
5601 | if (i == record_i && j >= record_j) |
5602 | break; | |
5603 | ||
2a3d923f | 5604 | idx = i * bt_chk_sz / BA_BYTE_LEN + j; |
a5073d60 YL |
5605 | dma_free_coherent(dev, buf_chk_sz, |
5606 | eq->buf[idx], | |
5607 | eq->buf_dma[idx]); | |
5608 | } | |
5609 | } | |
5610 | } | |
5611 | ||
5612 | err_dma_alloc_l0: | |
5613 | kfree(eq->bt_l1); | |
5614 | eq->bt_l1 = NULL; | |
5615 | ||
5616 | err_kcalloc_bt_l1: | |
5617 | kfree(eq->l1_dma); | |
5618 | eq->l1_dma = NULL; | |
5619 | ||
5620 | err_kcalloc_l1_dma: | |
5621 | kfree(eq->buf); | |
5622 | eq->buf = NULL; | |
5623 | ||
5624 | err_kcalloc_buf: | |
5625 | kfree(eq->buf_dma); | |
5626 | eq->buf_dma = NULL; | |
5627 | ||
5628 | return -ENOMEM; | |
5629 | } | |
5630 | ||
5631 | static int hns_roce_v2_create_eq(struct hns_roce_dev *hr_dev, | |
5632 | struct hns_roce_eq *eq, | |
5633 | unsigned int eq_cmd) | |
5634 | { | |
5635 | struct device *dev = hr_dev->dev; | |
5636 | struct hns_roce_cmd_mailbox *mailbox; | |
5637 | u32 buf_chk_sz = 0; | |
5638 | int ret; | |
5639 | ||
5640 | /* Allocate mailbox memory */ | |
5641 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
5642 | if (IS_ERR(mailbox)) | |
5643 | return PTR_ERR(mailbox); | |
5644 | ||
5645 | if (!hr_dev->caps.eqe_hop_num) { | |
5646 | buf_chk_sz = 1 << (hr_dev->caps.eqe_buf_pg_sz + PAGE_SHIFT); | |
5647 | ||
5648 | eq->buf_list = kzalloc(sizeof(struct hns_roce_buf_list), | |
5649 | GFP_KERNEL); | |
5650 | if (!eq->buf_list) { | |
5651 | ret = -ENOMEM; | |
5652 | goto free_cmd_mbox; | |
5653 | } | |
5654 | ||
750afb08 | 5655 | eq->buf_list->buf = dma_alloc_coherent(dev, buf_chk_sz, |
a5073d60 YL |
5656 | &(eq->buf_list->map), |
5657 | GFP_KERNEL); | |
5658 | if (!eq->buf_list->buf) { | |
5659 | ret = -ENOMEM; | |
5660 | goto err_alloc_buf; | |
5661 | } | |
5662 | ||
a5073d60 YL |
5663 | } else { |
5664 | ret = hns_roce_mhop_alloc_eq(hr_dev, eq); | |
5665 | if (ret) { | |
5666 | ret = -ENOMEM; | |
5667 | goto free_cmd_mbox; | |
5668 | } | |
5669 | } | |
5670 | ||
5671 | hns_roce_config_eqc(hr_dev, eq, mailbox->buf); | |
5672 | ||
5673 | ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, eq->eqn, 0, | |
5674 | eq_cmd, HNS_ROCE_CMD_TIMEOUT_MSECS); | |
5675 | if (ret) { | |
ab178849 | 5676 | dev_err(dev, "[mailbox cmd] create eqc failed.\n"); |
a5073d60 YL |
5677 | goto err_cmd_mbox; |
5678 | } | |
5679 | ||
5680 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
5681 | ||
5682 | return 0; | |
5683 | ||
5684 | err_cmd_mbox: | |
5685 | if (!hr_dev->caps.eqe_hop_num) | |
5686 | dma_free_coherent(dev, buf_chk_sz, eq->buf_list->buf, | |
5687 | eq->buf_list->map); | |
5688 | else { | |
5689 | hns_roce_mhop_free_eq(hr_dev, eq); | |
5690 | goto free_cmd_mbox; | |
5691 | } | |
5692 | ||
5693 | err_alloc_buf: | |
5694 | kfree(eq->buf_list); | |
5695 | ||
5696 | free_cmd_mbox: | |
5697 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
5698 | ||
5699 | return ret; | |
5700 | } | |
5701 | ||
5702 | static int hns_roce_v2_init_eq_table(struct hns_roce_dev *hr_dev) | |
5703 | { | |
5704 | struct hns_roce_eq_table *eq_table = &hr_dev->eq_table; | |
5705 | struct device *dev = hr_dev->dev; | |
5706 | struct hns_roce_eq *eq; | |
5707 | unsigned int eq_cmd; | |
5708 | int irq_num; | |
5709 | int eq_num; | |
5710 | int other_num; | |
5711 | int comp_num; | |
5712 | int aeq_num; | |
5713 | int i, j, k; | |
5714 | int ret; | |
5715 | ||
5716 | other_num = hr_dev->caps.num_other_vectors; | |
5717 | comp_num = hr_dev->caps.num_comp_vectors; | |
5718 | aeq_num = hr_dev->caps.num_aeq_vectors; | |
5719 | ||
5720 | eq_num = comp_num + aeq_num; | |
5721 | irq_num = eq_num + other_num; | |
5722 | ||
5723 | eq_table->eq = kcalloc(eq_num, sizeof(*eq_table->eq), GFP_KERNEL); | |
5724 | if (!eq_table->eq) | |
5725 | return -ENOMEM; | |
5726 | ||
5727 | for (i = 0; i < irq_num; i++) { | |
5728 | hr_dev->irq_names[i] = kzalloc(HNS_ROCE_INT_NAME_LEN, | |
5729 | GFP_KERNEL); | |
5730 | if (!hr_dev->irq_names[i]) { | |
5731 | ret = -ENOMEM; | |
5732 | goto err_failed_kzalloc; | |
5733 | } | |
5734 | } | |
5735 | ||
5736 | /* create eq */ | |
5737 | for (j = 0; j < eq_num; j++) { | |
5738 | eq = &eq_table->eq[j]; | |
5739 | eq->hr_dev = hr_dev; | |
5740 | eq->eqn = j; | |
5741 | if (j < comp_num) { | |
5742 | /* CEQ */ | |
5743 | eq_cmd = HNS_ROCE_CMD_CREATE_CEQC; | |
5744 | eq->type_flag = HNS_ROCE_CEQ; | |
5745 | eq->entries = hr_dev->caps.ceqe_depth; | |
5746 | eq->eqe_size = HNS_ROCE_CEQ_ENTRY_SIZE; | |
5747 | eq->irq = hr_dev->irq[j + other_num + aeq_num]; | |
5748 | eq->eq_max_cnt = HNS_ROCE_CEQ_DEFAULT_BURST_NUM; | |
5749 | eq->eq_period = HNS_ROCE_CEQ_DEFAULT_INTERVAL; | |
5750 | } else { | |
5751 | /* AEQ */ | |
5752 | eq_cmd = HNS_ROCE_CMD_CREATE_AEQC; | |
5753 | eq->type_flag = HNS_ROCE_AEQ; | |
5754 | eq->entries = hr_dev->caps.aeqe_depth; | |
5755 | eq->eqe_size = HNS_ROCE_AEQ_ENTRY_SIZE; | |
5756 | eq->irq = hr_dev->irq[j - comp_num + other_num]; | |
5757 | eq->eq_max_cnt = HNS_ROCE_AEQ_DEFAULT_BURST_NUM; | |
5758 | eq->eq_period = HNS_ROCE_AEQ_DEFAULT_INTERVAL; | |
5759 | } | |
5760 | ||
5761 | ret = hns_roce_v2_create_eq(hr_dev, eq, eq_cmd); | |
5762 | if (ret) { | |
5763 | dev_err(dev, "eq create failed.\n"); | |
5764 | goto err_create_eq_fail; | |
5765 | } | |
5766 | } | |
5767 | ||
5768 | /* enable irq */ | |
5769 | hns_roce_v2_int_mask_enable(hr_dev, eq_num, EQ_ENABLE); | |
5770 | ||
5771 | /* irq contains: abnormal + AEQ + CEQ*/ | |
5772 | for (k = 0; k < irq_num; k++) | |
5773 | if (k < other_num) | |
5774 | snprintf((char *)hr_dev->irq_names[k], | |
5775 | HNS_ROCE_INT_NAME_LEN, "hns-abn-%d", k); | |
5776 | else if (k < (other_num + aeq_num)) | |
5777 | snprintf((char *)hr_dev->irq_names[k], | |
5778 | HNS_ROCE_INT_NAME_LEN, "hns-aeq-%d", | |
5779 | k - other_num); | |
5780 | else | |
5781 | snprintf((char *)hr_dev->irq_names[k], | |
5782 | HNS_ROCE_INT_NAME_LEN, "hns-ceq-%d", | |
5783 | k - other_num - aeq_num); | |
5784 | ||
5785 | for (k = 0; k < irq_num; k++) { | |
5786 | if (k < other_num) | |
5787 | ret = request_irq(hr_dev->irq[k], | |
5788 | hns_roce_v2_msix_interrupt_abn, | |
5789 | 0, hr_dev->irq_names[k], hr_dev); | |
5790 | ||
5791 | else if (k < (other_num + comp_num)) | |
5792 | ret = request_irq(eq_table->eq[k - other_num].irq, | |
5793 | hns_roce_v2_msix_interrupt_eq, | |
5794 | 0, hr_dev->irq_names[k + aeq_num], | |
5795 | &eq_table->eq[k - other_num]); | |
5796 | else | |
5797 | ret = request_irq(eq_table->eq[k - other_num].irq, | |
5798 | hns_roce_v2_msix_interrupt_eq, | |
5799 | 0, hr_dev->irq_names[k - comp_num], | |
5800 | &eq_table->eq[k - other_num]); | |
5801 | if (ret) { | |
5802 | dev_err(dev, "Request irq error!\n"); | |
5803 | goto err_request_irq_fail; | |
5804 | } | |
5805 | } | |
5806 | ||
0425e3e6 YL |
5807 | hr_dev->irq_workq = |
5808 | create_singlethread_workqueue("hns_roce_irq_workqueue"); | |
5809 | if (!hr_dev->irq_workq) { | |
5810 | dev_err(dev, "Create irq workqueue failed!\n"); | |
f1a31542 | 5811 | ret = -ENOMEM; |
0425e3e6 YL |
5812 | goto err_request_irq_fail; |
5813 | } | |
5814 | ||
a5073d60 YL |
5815 | return 0; |
5816 | ||
5817 | err_request_irq_fail: | |
5818 | for (k -= 1; k >= 0; k--) | |
5819 | if (k < other_num) | |
5820 | free_irq(hr_dev->irq[k], hr_dev); | |
5821 | else | |
5822 | free_irq(eq_table->eq[k - other_num].irq, | |
5823 | &eq_table->eq[k - other_num]); | |
5824 | ||
5825 | err_create_eq_fail: | |
5826 | for (j -= 1; j >= 0; j--) | |
5827 | hns_roce_v2_free_eq(hr_dev, &eq_table->eq[j]); | |
5828 | ||
5829 | err_failed_kzalloc: | |
5830 | for (i -= 1; i >= 0; i--) | |
5831 | kfree(hr_dev->irq_names[i]); | |
5832 | kfree(eq_table->eq); | |
5833 | ||
5834 | return ret; | |
5835 | } | |
5836 | ||
5837 | static void hns_roce_v2_cleanup_eq_table(struct hns_roce_dev *hr_dev) | |
5838 | { | |
5839 | struct hns_roce_eq_table *eq_table = &hr_dev->eq_table; | |
5840 | int irq_num; | |
5841 | int eq_num; | |
5842 | int i; | |
5843 | ||
5844 | eq_num = hr_dev->caps.num_comp_vectors + hr_dev->caps.num_aeq_vectors; | |
5845 | irq_num = eq_num + hr_dev->caps.num_other_vectors; | |
5846 | ||
5847 | /* Disable irq */ | |
5848 | hns_roce_v2_int_mask_enable(hr_dev, eq_num, EQ_DISABLE); | |
5849 | ||
5850 | for (i = 0; i < hr_dev->caps.num_other_vectors; i++) | |
5851 | free_irq(hr_dev->irq[i], hr_dev); | |
5852 | ||
5853 | for (i = 0; i < eq_num; i++) { | |
5854 | hns_roce_v2_destroy_eqc(hr_dev, i); | |
5855 | ||
5856 | free_irq(eq_table->eq[i].irq, &eq_table->eq[i]); | |
5857 | ||
5858 | hns_roce_v2_free_eq(hr_dev, &eq_table->eq[i]); | |
5859 | } | |
5860 | ||
5861 | for (i = 0; i < irq_num; i++) | |
5862 | kfree(hr_dev->irq_names[i]); | |
5863 | ||
5864 | kfree(eq_table->eq); | |
0425e3e6 YL |
5865 | |
5866 | flush_workqueue(hr_dev->irq_workq); | |
5867 | destroy_workqueue(hr_dev->irq_workq); | |
a5073d60 YL |
5868 | } |
5869 | ||
c7bcb134 LO |
5870 | static void hns_roce_v2_write_srqc(struct hns_roce_dev *hr_dev, |
5871 | struct hns_roce_srq *srq, u32 pdn, u16 xrcd, | |
5872 | u32 cqn, void *mb_buf, u64 *mtts_wqe, | |
5873 | u64 *mtts_idx, dma_addr_t dma_handle_wqe, | |
5874 | dma_addr_t dma_handle_idx) | |
5875 | { | |
5876 | struct hns_roce_srq_context *srq_context; | |
5877 | ||
5878 | srq_context = mb_buf; | |
5879 | memset(srq_context, 0, sizeof(*srq_context)); | |
5880 | ||
5881 | roce_set_field(srq_context->byte_4_srqn_srqst, SRQC_BYTE_4_SRQ_ST_M, | |
5882 | SRQC_BYTE_4_SRQ_ST_S, 1); | |
5883 | ||
5884 | roce_set_field(srq_context->byte_4_srqn_srqst, | |
5885 | SRQC_BYTE_4_SRQ_WQE_HOP_NUM_M, | |
5886 | SRQC_BYTE_4_SRQ_WQE_HOP_NUM_S, | |
5887 | (hr_dev->caps.srqwqe_hop_num == HNS_ROCE_HOP_NUM_0 ? 0 : | |
5888 | hr_dev->caps.srqwqe_hop_num)); | |
5889 | roce_set_field(srq_context->byte_4_srqn_srqst, | |
5890 | SRQC_BYTE_4_SRQ_SHIFT_M, SRQC_BYTE_4_SRQ_SHIFT_S, | |
5891 | ilog2(srq->max)); | |
5892 | ||
5893 | roce_set_field(srq_context->byte_4_srqn_srqst, SRQC_BYTE_4_SRQN_M, | |
5894 | SRQC_BYTE_4_SRQN_S, srq->srqn); | |
5895 | ||
5896 | roce_set_field(srq_context->byte_8_limit_wl, SRQC_BYTE_8_SRQ_LIMIT_WL_M, | |
5897 | SRQC_BYTE_8_SRQ_LIMIT_WL_S, 0); | |
5898 | ||
5899 | roce_set_field(srq_context->byte_12_xrcd, SRQC_BYTE_12_SRQ_XRCD_M, | |
5900 | SRQC_BYTE_12_SRQ_XRCD_S, xrcd); | |
5901 | ||
5902 | srq_context->wqe_bt_ba = cpu_to_le32((u32)(dma_handle_wqe >> 3)); | |
5903 | ||
5904 | roce_set_field(srq_context->byte_24_wqe_bt_ba, | |
5905 | SRQC_BYTE_24_SRQ_WQE_BT_BA_M, | |
5906 | SRQC_BYTE_24_SRQ_WQE_BT_BA_S, | |
5907 | cpu_to_le32(dma_handle_wqe >> 35)); | |
5908 | ||
5909 | roce_set_field(srq_context->byte_28_rqws_pd, SRQC_BYTE_28_PD_M, | |
5910 | SRQC_BYTE_28_PD_S, pdn); | |
5911 | roce_set_field(srq_context->byte_28_rqws_pd, SRQC_BYTE_28_RQWS_M, | |
5912 | SRQC_BYTE_28_RQWS_S, srq->max_gs <= 0 ? 0 : | |
5913 | fls(srq->max_gs - 1)); | |
5914 | ||
5915 | srq_context->idx_bt_ba = (u32)(dma_handle_idx >> 3); | |
5916 | srq_context->idx_bt_ba = cpu_to_le32(srq_context->idx_bt_ba); | |
5917 | roce_set_field(srq_context->rsv_idx_bt_ba, | |
5918 | SRQC_BYTE_36_SRQ_IDX_BT_BA_M, | |
5919 | SRQC_BYTE_36_SRQ_IDX_BT_BA_S, | |
5920 | cpu_to_le32(dma_handle_idx >> 35)); | |
5921 | ||
5922 | srq_context->idx_cur_blk_addr = (u32)(mtts_idx[0] >> PAGE_ADDR_SHIFT); | |
5923 | srq_context->idx_cur_blk_addr = | |
5924 | cpu_to_le32(srq_context->idx_cur_blk_addr); | |
5925 | roce_set_field(srq_context->byte_44_idxbufpgsz_addr, | |
5926 | SRQC_BYTE_44_SRQ_IDX_CUR_BLK_ADDR_M, | |
5927 | SRQC_BYTE_44_SRQ_IDX_CUR_BLK_ADDR_S, | |
5928 | cpu_to_le32((mtts_idx[0]) >> (32 + PAGE_ADDR_SHIFT))); | |
5929 | roce_set_field(srq_context->byte_44_idxbufpgsz_addr, | |
5930 | SRQC_BYTE_44_SRQ_IDX_HOP_NUM_M, | |
5931 | SRQC_BYTE_44_SRQ_IDX_HOP_NUM_S, | |
5932 | hr_dev->caps.idx_hop_num == HNS_ROCE_HOP_NUM_0 ? 0 : | |
5933 | hr_dev->caps.idx_hop_num); | |
5934 | ||
5935 | roce_set_field(srq_context->byte_44_idxbufpgsz_addr, | |
5936 | SRQC_BYTE_44_SRQ_IDX_BA_PG_SZ_M, | |
5937 | SRQC_BYTE_44_SRQ_IDX_BA_PG_SZ_S, | |
5938 | hr_dev->caps.idx_ba_pg_sz); | |
5939 | roce_set_field(srq_context->byte_44_idxbufpgsz_addr, | |
5940 | SRQC_BYTE_44_SRQ_IDX_BUF_PG_SZ_M, | |
5941 | SRQC_BYTE_44_SRQ_IDX_BUF_PG_SZ_S, | |
5942 | hr_dev->caps.idx_buf_pg_sz); | |
5943 | ||
5944 | srq_context->idx_nxt_blk_addr = (u32)(mtts_idx[1] >> PAGE_ADDR_SHIFT); | |
5945 | srq_context->idx_nxt_blk_addr = | |
5946 | cpu_to_le32(srq_context->idx_nxt_blk_addr); | |
5947 | roce_set_field(srq_context->rsv_idxnxtblkaddr, | |
5948 | SRQC_BYTE_52_SRQ_IDX_NXT_BLK_ADDR_M, | |
5949 | SRQC_BYTE_52_SRQ_IDX_NXT_BLK_ADDR_S, | |
5950 | cpu_to_le32((mtts_idx[1]) >> (32 + PAGE_ADDR_SHIFT))); | |
5951 | roce_set_field(srq_context->byte_56_xrc_cqn, | |
5952 | SRQC_BYTE_56_SRQ_XRC_CQN_M, SRQC_BYTE_56_SRQ_XRC_CQN_S, | |
5953 | cqn); | |
5954 | roce_set_field(srq_context->byte_56_xrc_cqn, | |
5955 | SRQC_BYTE_56_SRQ_WQE_BA_PG_SZ_M, | |
5956 | SRQC_BYTE_56_SRQ_WQE_BA_PG_SZ_S, | |
5957 | hr_dev->caps.srqwqe_ba_pg_sz + PG_SHIFT_OFFSET); | |
5958 | roce_set_field(srq_context->byte_56_xrc_cqn, | |
5959 | SRQC_BYTE_56_SRQ_WQE_BUF_PG_SZ_M, | |
5960 | SRQC_BYTE_56_SRQ_WQE_BUF_PG_SZ_S, | |
5961 | hr_dev->caps.srqwqe_buf_pg_sz + PG_SHIFT_OFFSET); | |
5962 | ||
5963 | roce_set_bit(srq_context->db_record_addr_record_en, | |
5964 | SRQC_BYTE_60_SRQ_RECORD_EN_S, 0); | |
5965 | } | |
5966 | ||
5967 | static int hns_roce_v2_modify_srq(struct ib_srq *ibsrq, | |
5968 | struct ib_srq_attr *srq_attr, | |
5969 | enum ib_srq_attr_mask srq_attr_mask, | |
5970 | struct ib_udata *udata) | |
5971 | { | |
5972 | struct hns_roce_dev *hr_dev = to_hr_dev(ibsrq->device); | |
5973 | struct hns_roce_srq *srq = to_hr_srq(ibsrq); | |
5974 | struct hns_roce_srq_context *srq_context; | |
5975 | struct hns_roce_srq_context *srqc_mask; | |
5976 | struct hns_roce_cmd_mailbox *mailbox; | |
5977 | int ret; | |
5978 | ||
5979 | if (srq_attr_mask & IB_SRQ_LIMIT) { | |
5980 | if (srq_attr->srq_limit >= srq->max) | |
5981 | return -EINVAL; | |
5982 | ||
5983 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
5984 | if (IS_ERR(mailbox)) | |
5985 | return PTR_ERR(mailbox); | |
5986 | ||
5987 | srq_context = mailbox->buf; | |
5988 | srqc_mask = (struct hns_roce_srq_context *)mailbox->buf + 1; | |
5989 | ||
5990 | memset(srqc_mask, 0xff, sizeof(*srqc_mask)); | |
5991 | ||
5992 | roce_set_field(srq_context->byte_8_limit_wl, | |
5993 | SRQC_BYTE_8_SRQ_LIMIT_WL_M, | |
5994 | SRQC_BYTE_8_SRQ_LIMIT_WL_S, srq_attr->srq_limit); | |
5995 | roce_set_field(srqc_mask->byte_8_limit_wl, | |
5996 | SRQC_BYTE_8_SRQ_LIMIT_WL_M, | |
5997 | SRQC_BYTE_8_SRQ_LIMIT_WL_S, 0); | |
5998 | ||
5999 | ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, srq->srqn, 0, | |
6000 | HNS_ROCE_CMD_MODIFY_SRQC, | |
6001 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
6002 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
6003 | if (ret) { | |
6004 | dev_err(hr_dev->dev, | |
6005 | "MODIFY SRQ Failed to cmd mailbox.\n"); | |
6006 | return ret; | |
6007 | } | |
6008 | } | |
6009 | ||
6010 | return 0; | |
6011 | } | |
6012 | ||
c3c668e7 | 6013 | static int hns_roce_v2_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr) |
c7bcb134 LO |
6014 | { |
6015 | struct hns_roce_dev *hr_dev = to_hr_dev(ibsrq->device); | |
6016 | struct hns_roce_srq *srq = to_hr_srq(ibsrq); | |
6017 | struct hns_roce_srq_context *srq_context; | |
6018 | struct hns_roce_cmd_mailbox *mailbox; | |
6019 | int limit_wl; | |
6020 | int ret; | |
6021 | ||
6022 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
6023 | if (IS_ERR(mailbox)) | |
6024 | return PTR_ERR(mailbox); | |
6025 | ||
6026 | srq_context = mailbox->buf; | |
6027 | ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, srq->srqn, 0, | |
6028 | HNS_ROCE_CMD_QUERY_SRQC, | |
6029 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
6030 | if (ret) { | |
6031 | dev_err(hr_dev->dev, "QUERY SRQ cmd process error\n"); | |
6032 | goto out; | |
6033 | } | |
6034 | ||
6035 | limit_wl = roce_get_field(srq_context->byte_8_limit_wl, | |
6036 | SRQC_BYTE_8_SRQ_LIMIT_WL_M, | |
6037 | SRQC_BYTE_8_SRQ_LIMIT_WL_S); | |
6038 | ||
6039 | attr->srq_limit = limit_wl; | |
6040 | attr->max_wr = srq->max - 1; | |
6041 | attr->max_sge = srq->max_gs; | |
6042 | ||
6043 | memcpy(srq_context, mailbox->buf, sizeof(*srq_context)); | |
6044 | ||
6045 | out: | |
6046 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
6047 | return ret; | |
6048 | } | |
6049 | ||
97545b10 LO |
6050 | static int find_empty_entry(struct hns_roce_idx_que *idx_que, |
6051 | unsigned long size) | |
c7bcb134 | 6052 | { |
97545b10 | 6053 | int wqe_idx; |
c7bcb134 | 6054 | |
97545b10 LO |
6055 | if (unlikely(bitmap_full(idx_que->bitmap, size))) |
6056 | return -ENOSPC; | |
6057 | ||
6058 | wqe_idx = find_first_zero_bit(idx_que->bitmap, size); | |
6059 | ||
6060 | bitmap_set(idx_que->bitmap, wqe_idx, 1); | |
c7bcb134 | 6061 | |
97545b10 | 6062 | return wqe_idx; |
c7bcb134 LO |
6063 | } |
6064 | ||
6065 | static void fill_idx_queue(struct hns_roce_idx_que *idx_que, | |
6066 | int cur_idx, int wqe_idx) | |
6067 | { | |
6068 | unsigned int *addr; | |
6069 | ||
6070 | addr = (unsigned int *)hns_roce_buf_offset(&idx_que->idx_buf, | |
6071 | cur_idx * idx_que->entry_sz); | |
6072 | *addr = wqe_idx; | |
6073 | } | |
6074 | ||
6075 | static int hns_roce_v2_post_srq_recv(struct ib_srq *ibsrq, | |
6076 | const struct ib_recv_wr *wr, | |
6077 | const struct ib_recv_wr **bad_wr) | |
6078 | { | |
d3743fa9 | 6079 | struct hns_roce_dev *hr_dev = to_hr_dev(ibsrq->device); |
c7bcb134 LO |
6080 | struct hns_roce_srq *srq = to_hr_srq(ibsrq); |
6081 | struct hns_roce_v2_wqe_data_seg *dseg; | |
6082 | struct hns_roce_v2_db srq_db; | |
6083 | unsigned long flags; | |
6084 | int ret = 0; | |
6085 | int wqe_idx; | |
6086 | void *wqe; | |
6087 | int nreq; | |
6088 | int ind; | |
6089 | int i; | |
6090 | ||
6091 | spin_lock_irqsave(&srq->lock, flags); | |
6092 | ||
6093 | ind = srq->head & (srq->max - 1); | |
6094 | ||
6095 | for (nreq = 0; wr; ++nreq, wr = wr->next) { | |
6096 | if (unlikely(wr->num_sge > srq->max_gs)) { | |
6097 | ret = -EINVAL; | |
6098 | *bad_wr = wr; | |
6099 | break; | |
6100 | } | |
6101 | ||
6102 | if (unlikely(srq->head == srq->tail)) { | |
6103 | ret = -ENOMEM; | |
6104 | *bad_wr = wr; | |
6105 | break; | |
6106 | } | |
6107 | ||
97545b10 LO |
6108 | wqe_idx = find_empty_entry(&srq->idx_que, srq->max); |
6109 | if (wqe_idx < 0) { | |
6110 | ret = -ENOMEM; | |
6111 | *bad_wr = wr; | |
6112 | break; | |
6113 | } | |
6114 | ||
c7bcb134 LO |
6115 | fill_idx_queue(&srq->idx_que, ind, wqe_idx); |
6116 | wqe = get_srq_wqe(srq, wqe_idx); | |
6117 | dseg = (struct hns_roce_v2_wqe_data_seg *)wqe; | |
6118 | ||
6119 | for (i = 0; i < wr->num_sge; ++i) { | |
6120 | dseg[i].len = cpu_to_le32(wr->sg_list[i].length); | |
6121 | dseg[i].lkey = cpu_to_le32(wr->sg_list[i].lkey); | |
6122 | dseg[i].addr = cpu_to_le64(wr->sg_list[i].addr); | |
6123 | } | |
6124 | ||
6125 | if (i < srq->max_gs) { | |
4f18904c LO |
6126 | dseg[i].len = 0; |
6127 | dseg[i].lkey = cpu_to_le32(0x100); | |
6128 | dseg[i].addr = 0; | |
c7bcb134 LO |
6129 | } |
6130 | ||
6131 | srq->wrid[wqe_idx] = wr->wr_id; | |
6132 | ind = (ind + 1) & (srq->max - 1); | |
6133 | } | |
6134 | ||
6135 | if (likely(nreq)) { | |
6136 | srq->head += nreq; | |
6137 | ||
6138 | /* | |
6139 | * Make sure that descriptors are written before | |
6140 | * doorbell record. | |
6141 | */ | |
6142 | wmb(); | |
6143 | ||
2a3d923f LO |
6144 | srq_db.byte_4 = HNS_ROCE_V2_SRQ_DB << V2_DB_BYTE_4_CMD_S | |
6145 | (srq->srqn & V2_DB_BYTE_4_TAG_M); | |
c7bcb134 LO |
6146 | srq_db.parameter = srq->head; |
6147 | ||
d3743fa9 | 6148 | hns_roce_write64(hr_dev, (__le32 *)&srq_db, srq->db_reg_l); |
c7bcb134 LO |
6149 | |
6150 | } | |
6151 | ||
6152 | spin_unlock_irqrestore(&srq->lock, flags); | |
6153 | ||
6154 | return ret; | |
6155 | } | |
6156 | ||
e1c9a0dc LO |
6157 | static const struct hns_roce_dfx_hw hns_roce_dfx_hw_v2 = { |
6158 | .query_cqc_info = hns_roce_v2_query_cqc_info, | |
6159 | }; | |
6160 | ||
7f645a58 KH |
6161 | static const struct ib_device_ops hns_roce_v2_dev_ops = { |
6162 | .destroy_qp = hns_roce_v2_destroy_qp, | |
6163 | .modify_cq = hns_roce_v2_modify_cq, | |
6164 | .poll_cq = hns_roce_v2_poll_cq, | |
6165 | .post_recv = hns_roce_v2_post_recv, | |
6166 | .post_send = hns_roce_v2_post_send, | |
6167 | .query_qp = hns_roce_v2_query_qp, | |
6168 | .req_notify_cq = hns_roce_v2_req_notify_cq, | |
6169 | }; | |
6170 | ||
6171 | static const struct ib_device_ops hns_roce_v2_dev_srq_ops = { | |
6172 | .modify_srq = hns_roce_v2_modify_srq, | |
6173 | .post_srq_recv = hns_roce_v2_post_srq_recv, | |
6174 | .query_srq = hns_roce_v2_query_srq, | |
6175 | }; | |
6176 | ||
a04ff739 WHX |
6177 | static const struct hns_roce_hw hns_roce_hw_v2 = { |
6178 | .cmq_init = hns_roce_v2_cmq_init, | |
6179 | .cmq_exit = hns_roce_v2_cmq_exit, | |
cfc85f3e | 6180 | .hw_profile = hns_roce_v2_profile, |
6b63597d | 6181 | .hw_init = hns_roce_v2_init, |
6182 | .hw_exit = hns_roce_v2_exit, | |
a680f2f3 WHX |
6183 | .post_mbox = hns_roce_v2_post_mbox, |
6184 | .chk_mbox = hns_roce_v2_chk_mbox, | |
6a04aed6 | 6185 | .rst_prc_mbox = hns_roce_v2_rst_process_cmd, |
7afddafa WHX |
6186 | .set_gid = hns_roce_v2_set_gid, |
6187 | .set_mac = hns_roce_v2_set_mac, | |
3958cc56 | 6188 | .write_mtpt = hns_roce_v2_write_mtpt, |
a2c80b7b | 6189 | .rereg_write_mtpt = hns_roce_v2_rereg_write_mtpt, |
68a997c5 | 6190 | .frmr_write_mtpt = hns_roce_v2_frmr_write_mtpt, |
c7c28191 | 6191 | .mw_write_mtpt = hns_roce_v2_mw_write_mtpt, |
93aa2187 | 6192 | .write_cqc = hns_roce_v2_write_cqc, |
a81fba28 WHX |
6193 | .set_hem = hns_roce_v2_set_hem, |
6194 | .clear_hem = hns_roce_v2_clear_hem, | |
926a01dc WHX |
6195 | .modify_qp = hns_roce_v2_modify_qp, |
6196 | .query_qp = hns_roce_v2_query_qp, | |
6197 | .destroy_qp = hns_roce_v2_destroy_qp, | |
aa84fa18 | 6198 | .qp_flow_control_init = hns_roce_v2_qp_flow_control_init, |
b156269d | 6199 | .modify_cq = hns_roce_v2_modify_cq, |
2d407888 WHX |
6200 | .post_send = hns_roce_v2_post_send, |
6201 | .post_recv = hns_roce_v2_post_recv, | |
93aa2187 WHX |
6202 | .req_notify_cq = hns_roce_v2_req_notify_cq, |
6203 | .poll_cq = hns_roce_v2_poll_cq, | |
a5073d60 YL |
6204 | .init_eq = hns_roce_v2_init_eq_table, |
6205 | .cleanup_eq = hns_roce_v2_cleanup_eq_table, | |
c7bcb134 LO |
6206 | .write_srqc = hns_roce_v2_write_srqc, |
6207 | .modify_srq = hns_roce_v2_modify_srq, | |
6208 | .query_srq = hns_roce_v2_query_srq, | |
6209 | .post_srq_recv = hns_roce_v2_post_srq_recv, | |
7f645a58 KH |
6210 | .hns_roce_dev_ops = &hns_roce_v2_dev_ops, |
6211 | .hns_roce_dev_srq_ops = &hns_roce_v2_dev_srq_ops, | |
a04ff739 | 6212 | }; |
dd74282d WHX |
6213 | |
6214 | static const struct pci_device_id hns_roce_hw_v2_pci_tbl[] = { | |
6215 | {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_25GE_RDMA), 0}, | |
6216 | {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_25GE_RDMA_MACSEC), 0}, | |
aaa31567 LO |
6217 | {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_50GE_RDMA), 0}, |
6218 | {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_50GE_RDMA_MACSEC), 0}, | |
dd74282d WHX |
6219 | {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_100G_RDMA_MACSEC), 0}, |
6220 | /* required last entry */ | |
6221 | {0, } | |
6222 | }; | |
6223 | ||
f97a62c3 | 6224 | MODULE_DEVICE_TABLE(pci, hns_roce_hw_v2_pci_tbl); |
6225 | ||
dd74282d WHX |
6226 | static int hns_roce_hw_v2_get_cfg(struct hns_roce_dev *hr_dev, |
6227 | struct hnae3_handle *handle) | |
6228 | { | |
d061effc | 6229 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
a5073d60 | 6230 | int i; |
dd74282d | 6231 | |
dd74282d | 6232 | hr_dev->hw = &hns_roce_hw_v2; |
e1c9a0dc | 6233 | hr_dev->dfx = &hns_roce_dfx_hw_v2; |
2d407888 WHX |
6234 | hr_dev->sdb_offset = ROCEE_DB_SQ_L_0_REG; |
6235 | hr_dev->odb_offset = hr_dev->sdb_offset; | |
dd74282d WHX |
6236 | |
6237 | /* Get info from NIC driver. */ | |
6238 | hr_dev->reg_base = handle->rinfo.roce_io_base; | |
6239 | hr_dev->caps.num_ports = 1; | |
6240 | hr_dev->iboe.netdevs[0] = handle->rinfo.netdev; | |
6241 | hr_dev->iboe.phy_port[0] = 0; | |
6242 | ||
d4994d2f | 6243 | addrconf_addr_eui48((u8 *)&hr_dev->ib_dev.node_guid, |
6244 | hr_dev->iboe.netdevs[0]->dev_addr); | |
6245 | ||
a5073d60 YL |
6246 | for (i = 0; i < HNS_ROCE_V2_MAX_IRQ_NUM; i++) |
6247 | hr_dev->irq[i] = pci_irq_vector(handle->pdev, | |
6248 | i + handle->rinfo.base_vector); | |
6249 | ||
dd74282d | 6250 | /* cmd issue mode: 0 is poll, 1 is event */ |
a5073d60 | 6251 | hr_dev->cmd_mod = 1; |
dd74282d WHX |
6252 | hr_dev->loop_idc = 0; |
6253 | ||
d061effc WHX |
6254 | hr_dev->reset_cnt = handle->ae_algo->ops->ae_dev_reset_cnt(handle); |
6255 | priv->handle = handle; | |
6256 | ||
dd74282d WHX |
6257 | return 0; |
6258 | } | |
6259 | ||
d061effc | 6260 | static int __hns_roce_hw_v2_init_instance(struct hnae3_handle *handle) |
dd74282d WHX |
6261 | { |
6262 | struct hns_roce_dev *hr_dev; | |
6263 | int ret; | |
6264 | ||
459cc69f | 6265 | hr_dev = ib_alloc_device(hns_roce_dev, ib_dev); |
dd74282d WHX |
6266 | if (!hr_dev) |
6267 | return -ENOMEM; | |
6268 | ||
a04ff739 WHX |
6269 | hr_dev->priv = kzalloc(sizeof(struct hns_roce_v2_priv), GFP_KERNEL); |
6270 | if (!hr_dev->priv) { | |
6271 | ret = -ENOMEM; | |
6272 | goto error_failed_kzalloc; | |
6273 | } | |
6274 | ||
dd74282d WHX |
6275 | hr_dev->pci_dev = handle->pdev; |
6276 | hr_dev->dev = &handle->pdev->dev; | |
dd74282d WHX |
6277 | |
6278 | ret = hns_roce_hw_v2_get_cfg(hr_dev, handle); | |
6279 | if (ret) { | |
6280 | dev_err(hr_dev->dev, "Get Configuration failed!\n"); | |
6281 | goto error_failed_get_cfg; | |
6282 | } | |
6283 | ||
6284 | ret = hns_roce_init(hr_dev); | |
6285 | if (ret) { | |
6286 | dev_err(hr_dev->dev, "RoCE Engine init failed!\n"); | |
6287 | goto error_failed_get_cfg; | |
6288 | } | |
6289 | ||
d061effc WHX |
6290 | handle->priv = hr_dev; |
6291 | ||
dd74282d WHX |
6292 | return 0; |
6293 | ||
6294 | error_failed_get_cfg: | |
a04ff739 WHX |
6295 | kfree(hr_dev->priv); |
6296 | ||
6297 | error_failed_kzalloc: | |
dd74282d WHX |
6298 | ib_dealloc_device(&hr_dev->ib_dev); |
6299 | ||
6300 | return ret; | |
6301 | } | |
6302 | ||
d061effc | 6303 | static void __hns_roce_hw_v2_uninit_instance(struct hnae3_handle *handle, |
dd74282d WHX |
6304 | bool reset) |
6305 | { | |
6306 | struct hns_roce_dev *hr_dev = (struct hns_roce_dev *)handle->priv; | |
6307 | ||
cb7a94c9 WHX |
6308 | if (!hr_dev) |
6309 | return; | |
6310 | ||
d061effc | 6311 | handle->priv = NULL; |
dd74282d | 6312 | hns_roce_exit(hr_dev); |
a04ff739 | 6313 | kfree(hr_dev->priv); |
dd74282d WHX |
6314 | ib_dealloc_device(&hr_dev->ib_dev); |
6315 | } | |
6316 | ||
d061effc WHX |
6317 | static int hns_roce_hw_v2_init_instance(struct hnae3_handle *handle) |
6318 | { | |
6319 | const struct hnae3_ae_ops *ops = handle->ae_algo->ops; | |
07c2339a | 6320 | const struct pci_device_id *id; |
d061effc WHX |
6321 | struct device *dev = &handle->pdev->dev; |
6322 | int ret; | |
6323 | ||
6324 | handle->rinfo.instance_state = HNS_ROCE_STATE_INIT; | |
6325 | ||
6326 | if (ops->ae_dev_resetting(handle) || ops->get_hw_reset_stat(handle)) { | |
6327 | handle->rinfo.instance_state = HNS_ROCE_STATE_NON_INIT; | |
6328 | goto reset_chk_err; | |
6329 | } | |
6330 | ||
07c2339a LO |
6331 | id = pci_match_id(hns_roce_hw_v2_pci_tbl, handle->pdev); |
6332 | if (!id) | |
6333 | return 0; | |
6334 | ||
d061effc WHX |
6335 | ret = __hns_roce_hw_v2_init_instance(handle); |
6336 | if (ret) { | |
6337 | handle->rinfo.instance_state = HNS_ROCE_STATE_NON_INIT; | |
6338 | dev_err(dev, "RoCE instance init failed! ret = %d\n", ret); | |
6339 | if (ops->ae_dev_resetting(handle) || | |
6340 | ops->get_hw_reset_stat(handle)) | |
6341 | goto reset_chk_err; | |
6342 | else | |
6343 | return ret; | |
6344 | } | |
6345 | ||
6346 | handle->rinfo.instance_state = HNS_ROCE_STATE_INITED; | |
6347 | ||
6348 | ||
6349 | return 0; | |
6350 | ||
6351 | reset_chk_err: | |
6352 | dev_err(dev, "Device is busy in resetting state.\n" | |
6353 | "please retry later.\n"); | |
6354 | ||
6355 | return -EBUSY; | |
6356 | } | |
6357 | ||
6358 | static void hns_roce_hw_v2_uninit_instance(struct hnae3_handle *handle, | |
6359 | bool reset) | |
6360 | { | |
6361 | if (handle->rinfo.instance_state != HNS_ROCE_STATE_INITED) | |
6362 | return; | |
6363 | ||
6364 | handle->rinfo.instance_state = HNS_ROCE_STATE_UNINIT; | |
6365 | ||
6366 | __hns_roce_hw_v2_uninit_instance(handle, reset); | |
6367 | ||
6368 | handle->rinfo.instance_state = HNS_ROCE_STATE_NON_INIT; | |
6369 | } | |
cb7a94c9 WHX |
6370 | static int hns_roce_hw_v2_reset_notify_down(struct hnae3_handle *handle) |
6371 | { | |
d061effc | 6372 | struct hns_roce_dev *hr_dev; |
cb7a94c9 WHX |
6373 | struct ib_event event; |
6374 | ||
d061effc WHX |
6375 | if (handle->rinfo.instance_state != HNS_ROCE_STATE_INITED) { |
6376 | set_bit(HNS_ROCE_RST_DIRECT_RETURN, &handle->rinfo.state); | |
6377 | return 0; | |
cb7a94c9 WHX |
6378 | } |
6379 | ||
d061effc WHX |
6380 | handle->rinfo.reset_state = HNS_ROCE_STATE_RST_DOWN; |
6381 | clear_bit(HNS_ROCE_RST_DIRECT_RETURN, &handle->rinfo.state); | |
6382 | ||
6383 | hr_dev = (struct hns_roce_dev *)handle->priv; | |
6384 | if (!hr_dev) | |
6385 | return 0; | |
6386 | ||
726be12f | 6387 | hr_dev->is_reset = true; |
cb7a94c9 | 6388 | hr_dev->active = false; |
d3743fa9 | 6389 | hr_dev->dis_db = true; |
cb7a94c9 WHX |
6390 | |
6391 | event.event = IB_EVENT_DEVICE_FATAL; | |
6392 | event.device = &hr_dev->ib_dev; | |
6393 | event.element.port_num = 1; | |
6394 | ib_dispatch_event(&event); | |
6395 | ||
6396 | return 0; | |
6397 | } | |
6398 | ||
6399 | static int hns_roce_hw_v2_reset_notify_init(struct hnae3_handle *handle) | |
6400 | { | |
d061effc | 6401 | struct device *dev = &handle->pdev->dev; |
cb7a94c9 WHX |
6402 | int ret; |
6403 | ||
d061effc WHX |
6404 | if (test_and_clear_bit(HNS_ROCE_RST_DIRECT_RETURN, |
6405 | &handle->rinfo.state)) { | |
6406 | handle->rinfo.reset_state = HNS_ROCE_STATE_RST_INITED; | |
6407 | return 0; | |
6408 | } | |
6409 | ||
6410 | handle->rinfo.reset_state = HNS_ROCE_STATE_RST_INIT; | |
6411 | ||
6412 | dev_info(&handle->pdev->dev, "In reset process RoCE client reinit.\n"); | |
6413 | ret = __hns_roce_hw_v2_init_instance(handle); | |
cb7a94c9 WHX |
6414 | if (ret) { |
6415 | /* when reset notify type is HNAE3_INIT_CLIENT In reset notify | |
6416 | * callback function, RoCE Engine reinitialize. If RoCE reinit | |
6417 | * failed, we should inform NIC driver. | |
6418 | */ | |
6419 | handle->priv = NULL; | |
d061effc WHX |
6420 | dev_err(dev, "In reset process RoCE reinit failed %d.\n", ret); |
6421 | } else { | |
6422 | handle->rinfo.reset_state = HNS_ROCE_STATE_RST_INITED; | |
6423 | dev_info(dev, "Reset done, RoCE client reinit finished.\n"); | |
cb7a94c9 WHX |
6424 | } |
6425 | ||
6426 | return ret; | |
6427 | } | |
6428 | ||
6429 | static int hns_roce_hw_v2_reset_notify_uninit(struct hnae3_handle *handle) | |
6430 | { | |
d061effc WHX |
6431 | if (test_bit(HNS_ROCE_RST_DIRECT_RETURN, &handle->rinfo.state)) |
6432 | return 0; | |
6433 | ||
6434 | handle->rinfo.reset_state = HNS_ROCE_STATE_RST_UNINIT; | |
6435 | dev_info(&handle->pdev->dev, "In reset process RoCE client uninit.\n"); | |
cb7a94c9 | 6436 | msleep(100); |
d061effc WHX |
6437 | __hns_roce_hw_v2_uninit_instance(handle, false); |
6438 | ||
cb7a94c9 WHX |
6439 | return 0; |
6440 | } | |
6441 | ||
6442 | static int hns_roce_hw_v2_reset_notify(struct hnae3_handle *handle, | |
6443 | enum hnae3_reset_notify_type type) | |
6444 | { | |
6445 | int ret = 0; | |
6446 | ||
6447 | switch (type) { | |
6448 | case HNAE3_DOWN_CLIENT: | |
6449 | ret = hns_roce_hw_v2_reset_notify_down(handle); | |
6450 | break; | |
6451 | case HNAE3_INIT_CLIENT: | |
6452 | ret = hns_roce_hw_v2_reset_notify_init(handle); | |
6453 | break; | |
6454 | case HNAE3_UNINIT_CLIENT: | |
6455 | ret = hns_roce_hw_v2_reset_notify_uninit(handle); | |
6456 | break; | |
6457 | default: | |
6458 | break; | |
6459 | } | |
6460 | ||
6461 | return ret; | |
6462 | } | |
6463 | ||
dd74282d WHX |
6464 | static const struct hnae3_client_ops hns_roce_hw_v2_ops = { |
6465 | .init_instance = hns_roce_hw_v2_init_instance, | |
6466 | .uninit_instance = hns_roce_hw_v2_uninit_instance, | |
cb7a94c9 | 6467 | .reset_notify = hns_roce_hw_v2_reset_notify, |
dd74282d WHX |
6468 | }; |
6469 | ||
6470 | static struct hnae3_client hns_roce_hw_v2_client = { | |
6471 | .name = "hns_roce_hw_v2", | |
6472 | .type = HNAE3_CLIENT_ROCE, | |
6473 | .ops = &hns_roce_hw_v2_ops, | |
6474 | }; | |
6475 | ||
6476 | static int __init hns_roce_hw_v2_init(void) | |
6477 | { | |
6478 | return hnae3_register_client(&hns_roce_hw_v2_client); | |
6479 | } | |
6480 | ||
6481 | static void __exit hns_roce_hw_v2_exit(void) | |
6482 | { | |
6483 | hnae3_unregister_client(&hns_roce_hw_v2_client); | |
6484 | } | |
6485 | ||
6486 | module_init(hns_roce_hw_v2_init); | |
6487 | module_exit(hns_roce_hw_v2_exit); | |
6488 | ||
6489 | MODULE_LICENSE("Dual BSD/GPL"); | |
6490 | MODULE_AUTHOR("Wei Hu <xavier.huwei@huawei.com>"); | |
6491 | MODULE_AUTHOR("Lijun Ou <oulijun@huawei.com>"); | |
6492 | MODULE_AUTHOR("Shaobo Xu <xushaobo2@huawei.com>"); | |
6493 | MODULE_DESCRIPTION("Hisilicon Hip08 Family RoCE Driver"); |