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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 | ||
e363f7de XW |
59 | /* |
60 | * mapped-value = 1 + real-value | |
61 | * The hns wr opcode real value is start from 0, In order to distinguish between | |
62 | * initialized and uninitialized map values, we plus 1 to the actual value when | |
63 | * defining the mapping, so that the validity can be identified by checking the | |
64 | * mapped value is greater than 0. | |
65 | */ | |
66 | #define HR_OPC_MAP(ib_key, hr_key) \ | |
67 | [IB_WR_ ## ib_key] = 1 + HNS_ROCE_V2_WQE_OP_ ## hr_key | |
68 | ||
69 | static const u32 hns_roce_op_code[] = { | |
70 | HR_OPC_MAP(RDMA_WRITE, RDMA_WRITE), | |
71 | HR_OPC_MAP(RDMA_WRITE_WITH_IMM, RDMA_WRITE_WITH_IMM), | |
72 | HR_OPC_MAP(SEND, SEND), | |
73 | HR_OPC_MAP(SEND_WITH_IMM, SEND_WITH_IMM), | |
74 | HR_OPC_MAP(RDMA_READ, RDMA_READ), | |
75 | HR_OPC_MAP(ATOMIC_CMP_AND_SWP, ATOM_CMP_AND_SWAP), | |
76 | HR_OPC_MAP(ATOMIC_FETCH_AND_ADD, ATOM_FETCH_AND_ADD), | |
77 | HR_OPC_MAP(SEND_WITH_INV, SEND_WITH_INV), | |
78 | HR_OPC_MAP(LOCAL_INV, LOCAL_INV), | |
79 | HR_OPC_MAP(MASKED_ATOMIC_CMP_AND_SWP, ATOM_MSK_CMP_AND_SWAP), | |
80 | HR_OPC_MAP(MASKED_ATOMIC_FETCH_AND_ADD, ATOM_MSK_FETCH_AND_ADD), | |
81 | HR_OPC_MAP(REG_MR, FAST_REG_PMR), | |
82 | }; | |
83 | ||
84 | static u32 to_hr_opcode(u32 ib_opcode) | |
85 | { | |
86 | if (ib_opcode >= ARRAY_SIZE(hns_roce_op_code)) | |
87 | return HNS_ROCE_V2_WQE_OP_MASK; | |
88 | ||
89 | return hns_roce_op_code[ib_opcode] ? hns_roce_op_code[ib_opcode] - 1 : | |
90 | HNS_ROCE_V2_WQE_OP_MASK; | |
91 | } | |
92 | ||
68a997c5 | 93 | static void set_frmr_seg(struct hns_roce_v2_rc_send_wqe *rc_sq_wqe, |
eaaa98de | 94 | const struct ib_reg_wr *wr) |
68a997c5 | 95 | { |
eaaa98de WL |
96 | struct hns_roce_wqe_frmr_seg *fseg = |
97 | (void *)rc_sq_wqe + sizeof(struct hns_roce_v2_rc_send_wqe); | |
68a997c5 | 98 | struct hns_roce_mr *mr = to_hr_mr(wr->mr); |
9b2cf76c | 99 | u64 pbl_ba; |
68a997c5 YL |
100 | |
101 | /* use ib_access_flags */ | |
60262b10 | 102 | roce_set_bit(rc_sq_wqe->byte_4, V2_RC_FRMR_WQE_BYTE_4_BIND_EN_S, |
68a997c5 | 103 | wr->access & IB_ACCESS_MW_BIND ? 1 : 0); |
60262b10 | 104 | roce_set_bit(rc_sq_wqe->byte_4, V2_RC_FRMR_WQE_BYTE_4_ATOMIC_S, |
68a997c5 | 105 | wr->access & IB_ACCESS_REMOTE_ATOMIC ? 1 : 0); |
60262b10 | 106 | roce_set_bit(rc_sq_wqe->byte_4, V2_RC_FRMR_WQE_BYTE_4_RR_S, |
68a997c5 | 107 | wr->access & IB_ACCESS_REMOTE_READ ? 1 : 0); |
60262b10 | 108 | roce_set_bit(rc_sq_wqe->byte_4, V2_RC_FRMR_WQE_BYTE_4_RW_S, |
68a997c5 | 109 | wr->access & IB_ACCESS_REMOTE_WRITE ? 1 : 0); |
60262b10 | 110 | roce_set_bit(rc_sq_wqe->byte_4, V2_RC_FRMR_WQE_BYTE_4_LW_S, |
68a997c5 YL |
111 | wr->access & IB_ACCESS_LOCAL_WRITE ? 1 : 0); |
112 | ||
113 | /* Data structure reuse may lead to confusion */ | |
9b2cf76c XW |
114 | pbl_ba = mr->pbl_mtr.hem_cfg.root_ba; |
115 | rc_sq_wqe->msg_len = cpu_to_le32(lower_32_bits(pbl_ba)); | |
116 | rc_sq_wqe->inv_key = cpu_to_le32(upper_32_bits(pbl_ba)); | |
68a997c5 YL |
117 | |
118 | rc_sq_wqe->byte_16 = cpu_to_le32(wr->mr->length & 0xffffffff); | |
119 | rc_sq_wqe->byte_20 = cpu_to_le32(wr->mr->length >> 32); | |
120 | rc_sq_wqe->rkey = cpu_to_le32(wr->key); | |
121 | rc_sq_wqe->va = cpu_to_le64(wr->mr->iova); | |
122 | ||
9b2cf76c | 123 | fseg->pbl_size = cpu_to_le32(mr->npages); |
68a997c5 YL |
124 | roce_set_field(fseg->mode_buf_pg_sz, |
125 | V2_RC_FRMR_WQE_BYTE_40_PBL_BUF_PG_SZ_M, | |
126 | V2_RC_FRMR_WQE_BYTE_40_PBL_BUF_PG_SZ_S, | |
9b2cf76c | 127 | to_hr_hw_page_shift(mr->pbl_mtr.hem_cfg.buf_pg_shift)); |
68a997c5 YL |
128 | roce_set_bit(fseg->mode_buf_pg_sz, |
129 | V2_RC_FRMR_WQE_BYTE_40_BLK_MODE_S, 0); | |
130 | } | |
131 | ||
eaaa98de | 132 | static void set_atomic_seg(const struct ib_send_wr *wr, |
00a59d30 | 133 | struct hns_roce_v2_rc_send_wqe *rc_sq_wqe, |
13aa13dd | 134 | unsigned int valid_num_sge) |
384f8818 | 135 | { |
eaaa98de WL |
136 | struct hns_roce_v2_wqe_data_seg *dseg = |
137 | (void *)rc_sq_wqe + sizeof(struct hns_roce_v2_rc_send_wqe); | |
138 | struct hns_roce_wqe_atomic_seg *aseg = | |
139 | (void *)dseg + sizeof(struct hns_roce_v2_wqe_data_seg); | |
00a59d30 | 140 | |
eaaa98de | 141 | set_data_seg_v2(dseg, wr->sg_list); |
00a59d30 XW |
142 | |
143 | if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP) { | |
144 | aseg->fetchadd_swap_data = cpu_to_le64(atomic_wr(wr)->swap); | |
145 | aseg->cmp_data = cpu_to_le64(atomic_wr(wr)->compare_add); | |
384f8818 | 146 | } else { |
00a59d30 XW |
147 | aseg->fetchadd_swap_data = |
148 | cpu_to_le64(atomic_wr(wr)->compare_add); | |
eaaa98de | 149 | aseg->cmp_data = 0; |
384f8818 | 150 | } |
00a59d30 XW |
151 | |
152 | roce_set_field(rc_sq_wqe->byte_16, V2_RC_SEND_WQE_BYTE_16_SGE_NUM_M, | |
153 | V2_RC_SEND_WQE_BYTE_16_SGE_NUM_S, valid_num_sge); | |
384f8818 LO |
154 | } |
155 | ||
f696bf6d | 156 | static void set_extend_sge(struct hns_roce_qp *qp, const struct ib_send_wr *wr, |
13aa13dd | 157 | unsigned int *sge_ind, unsigned int valid_num_sge) |
0b25c9cc WHX |
158 | { |
159 | struct hns_roce_v2_wqe_data_seg *dseg; | |
13aa13dd | 160 | unsigned int cnt = valid_num_sge; |
54d66387 XW |
161 | struct ib_sge *sge = wr->sg_list; |
162 | unsigned int idx = *sge_ind; | |
0b25c9cc | 163 | |
54d66387 XW |
164 | if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) { |
165 | cnt -= HNS_ROCE_SGE_IN_WQE; | |
166 | sge += HNS_ROCE_SGE_IN_WQE; | |
167 | } | |
0b25c9cc | 168 | |
54d66387 XW |
169 | while (cnt > 0) { |
170 | dseg = hns_roce_get_extend_sge(qp, idx & (qp->sge.sge_cnt - 1)); | |
171 | set_data_seg_v2(dseg, sge); | |
172 | idx++; | |
173 | sge++; | |
174 | cnt--; | |
0b25c9cc | 175 | } |
54d66387 XW |
176 | |
177 | *sge_ind = idx; | |
0b25c9cc WHX |
178 | } |
179 | ||
f696bf6d | 180 | static int set_rwqe_data_seg(struct ib_qp *ibqp, const struct ib_send_wr *wr, |
7bdee415 | 181 | struct hns_roce_v2_rc_send_wqe *rc_sq_wqe, |
eaaa98de | 182 | unsigned int *sge_ind, |
13aa13dd | 183 | unsigned int valid_num_sge) |
7bdee415 | 184 | { |
185 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
eaaa98de WL |
186 | struct hns_roce_v2_wqe_data_seg *dseg = |
187 | (void *)rc_sq_wqe + sizeof(struct hns_roce_v2_rc_send_wqe); | |
00a59d30 | 188 | struct ib_device *ibdev = &hr_dev->ib_dev; |
7bdee415 | 189 | struct hns_roce_qp *qp = to_hr_qp(ibqp); |
eaaa98de | 190 | void *wqe = dseg; |
468d020e | 191 | int j = 0; |
7bdee415 | 192 | int i; |
193 | ||
468d020e | 194 | if (wr->send_flags & IB_SEND_INLINE && valid_num_sge) { |
0db65709 LC |
195 | if (unlikely(le32_to_cpu(rc_sq_wqe->msg_len) > |
196 | hr_dev->caps.max_sq_inline)) { | |
00a59d30 XW |
197 | ibdev_err(ibdev, "inline len(1-%d)=%d, illegal", |
198 | rc_sq_wqe->msg_len, | |
199 | hr_dev->caps.max_sq_inline); | |
7bdee415 | 200 | return -EINVAL; |
201 | } | |
202 | ||
0db65709 | 203 | if (unlikely(wr->opcode == IB_WR_RDMA_READ)) { |
00a59d30 | 204 | ibdev_err(ibdev, "Not support inline data!\n"); |
328d405b | 205 | return -EINVAL; |
206 | } | |
207 | ||
7bdee415 | 208 | for (i = 0; i < wr->num_sge; i++) { |
209 | memcpy(wqe, ((void *)wr->sg_list[i].addr), | |
210 | wr->sg_list[i].length); | |
211 | wqe += wr->sg_list[i].length; | |
212 | } | |
213 | ||
214 | roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_INLINE_S, | |
215 | 1); | |
216 | } else { | |
54d66387 | 217 | if (valid_num_sge <= HNS_ROCE_SGE_IN_WQE) { |
7bdee415 | 218 | for (i = 0; i < wr->num_sge; i++) { |
219 | if (likely(wr->sg_list[i].length)) { | |
220 | set_data_seg_v2(dseg, wr->sg_list + i); | |
221 | dseg++; | |
222 | } | |
223 | } | |
224 | } else { | |
225 | roce_set_field(rc_sq_wqe->byte_20, | |
226 | V2_RC_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_M, | |
227 | V2_RC_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_S, | |
228 | (*sge_ind) & (qp->sge.sge_cnt - 1)); | |
229 | ||
54d66387 XW |
230 | for (i = 0; i < wr->num_sge && j < HNS_ROCE_SGE_IN_WQE; |
231 | i++) { | |
7bdee415 | 232 | if (likely(wr->sg_list[i].length)) { |
233 | set_data_seg_v2(dseg, wr->sg_list + i); | |
234 | dseg++; | |
468d020e | 235 | j++; |
7bdee415 | 236 | } |
237 | } | |
238 | ||
468d020e | 239 | set_extend_sge(qp, wr, sge_ind, valid_num_sge); |
7bdee415 | 240 | } |
241 | ||
242 | roce_set_field(rc_sq_wqe->byte_16, | |
243 | V2_RC_SEND_WQE_BYTE_16_SGE_NUM_M, | |
468d020e | 244 | V2_RC_SEND_WQE_BYTE_16_SGE_NUM_S, valid_num_sge); |
7bdee415 | 245 | } |
246 | ||
247 | return 0; | |
248 | } | |
249 | ||
626903e9 XW |
250 | static int check_send_valid(struct hns_roce_dev *hr_dev, |
251 | struct hns_roce_qp *hr_qp) | |
252 | { | |
ae1c6148 | 253 | struct ib_device *ibdev = &hr_dev->ib_dev; |
626903e9 | 254 | struct ib_qp *ibqp = &hr_qp->ibqp; |
626903e9 XW |
255 | |
256 | if (unlikely(ibqp->qp_type != IB_QPT_RC && | |
257 | ibqp->qp_type != IB_QPT_GSI && | |
258 | ibqp->qp_type != IB_QPT_UD)) { | |
ae1c6148 LO |
259 | ibdev_err(ibdev, "Not supported QP(0x%x)type!\n", |
260 | ibqp->qp_type); | |
626903e9 XW |
261 | return -EOPNOTSUPP; |
262 | } else if (unlikely(hr_qp->state == IB_QPS_RESET || | |
263 | hr_qp->state == IB_QPS_INIT || | |
264 | hr_qp->state == IB_QPS_RTR)) { | |
ae1c6148 LO |
265 | ibdev_err(ibdev, "failed to post WQE, QP state %d!\n", |
266 | hr_qp->state); | |
626903e9 XW |
267 | return -EINVAL; |
268 | } else if (unlikely(hr_dev->state >= HNS_ROCE_DEVICE_STATE_RST_DOWN)) { | |
ae1c6148 LO |
269 | ibdev_err(ibdev, "failed to post WQE, dev state %d!\n", |
270 | hr_dev->state); | |
626903e9 XW |
271 | return -EIO; |
272 | } | |
273 | ||
274 | return 0; | |
275 | } | |
276 | ||
13aa13dd WL |
277 | static unsigned int calc_wr_sge_num(const struct ib_send_wr *wr, |
278 | unsigned int *sge_len) | |
d6a3627e | 279 | { |
13aa13dd WL |
280 | unsigned int valid_num = 0; |
281 | unsigned int len = 0; | |
d6a3627e XW |
282 | int i; |
283 | ||
284 | for (i = 0; i < wr->num_sge; i++) { | |
285 | if (likely(wr->sg_list[i].length)) { | |
286 | len += wr->sg_list[i].length; | |
287 | valid_num++; | |
288 | } | |
289 | } | |
290 | ||
291 | *sge_len = len; | |
292 | return valid_num; | |
293 | } | |
294 | ||
295 | static inline int set_ud_wqe(struct hns_roce_qp *qp, | |
296 | const struct ib_send_wr *wr, | |
297 | void *wqe, unsigned int *sge_idx, | |
298 | unsigned int owner_bit) | |
299 | { | |
300 | struct hns_roce_dev *hr_dev = to_hr_dev(qp->ibqp.device); | |
301 | struct hns_roce_ah *ah = to_hr_ah(ud_wr(wr)->ah); | |
302 | struct hns_roce_v2_ud_send_wqe *ud_sq_wqe = wqe; | |
303 | unsigned int curr_idx = *sge_idx; | |
304 | int valid_num_sge; | |
305 | u32 msg_len = 0; | |
306 | bool loopback; | |
307 | u8 *smac; | |
308 | ||
309 | valid_num_sge = calc_wr_sge_num(wr, &msg_len); | |
310 | memset(ud_sq_wqe, 0, sizeof(*ud_sq_wqe)); | |
311 | ||
312 | roce_set_field(ud_sq_wqe->dmac, V2_UD_SEND_WQE_DMAC_0_M, | |
313 | V2_UD_SEND_WQE_DMAC_0_S, ah->av.mac[0]); | |
314 | roce_set_field(ud_sq_wqe->dmac, V2_UD_SEND_WQE_DMAC_1_M, | |
315 | V2_UD_SEND_WQE_DMAC_1_S, ah->av.mac[1]); | |
316 | roce_set_field(ud_sq_wqe->dmac, V2_UD_SEND_WQE_DMAC_2_M, | |
317 | V2_UD_SEND_WQE_DMAC_2_S, ah->av.mac[2]); | |
318 | roce_set_field(ud_sq_wqe->dmac, V2_UD_SEND_WQE_DMAC_3_M, | |
319 | V2_UD_SEND_WQE_DMAC_3_S, ah->av.mac[3]); | |
320 | roce_set_field(ud_sq_wqe->byte_48, V2_UD_SEND_WQE_BYTE_48_DMAC_4_M, | |
321 | V2_UD_SEND_WQE_BYTE_48_DMAC_4_S, ah->av.mac[4]); | |
322 | roce_set_field(ud_sq_wqe->byte_48, V2_UD_SEND_WQE_BYTE_48_DMAC_5_M, | |
323 | V2_UD_SEND_WQE_BYTE_48_DMAC_5_S, ah->av.mac[5]); | |
324 | ||
325 | /* MAC loopback */ | |
326 | smac = (u8 *)hr_dev->dev_addr[qp->port]; | |
327 | loopback = ether_addr_equal_unaligned(ah->av.mac, smac) ? 1 : 0; | |
328 | ||
329 | roce_set_bit(ud_sq_wqe->byte_40, | |
330 | V2_UD_SEND_WQE_BYTE_40_LBI_S, loopback); | |
331 | ||
332 | roce_set_field(ud_sq_wqe->byte_4, | |
333 | V2_UD_SEND_WQE_BYTE_4_OPCODE_M, | |
334 | V2_UD_SEND_WQE_BYTE_4_OPCODE_S, | |
335 | HNS_ROCE_V2_WQE_OP_SEND); | |
336 | ||
337 | ud_sq_wqe->msg_len = cpu_to_le32(msg_len); | |
338 | ||
339 | switch (wr->opcode) { | |
340 | case IB_WR_SEND_WITH_IMM: | |
341 | case IB_WR_RDMA_WRITE_WITH_IMM: | |
342 | ud_sq_wqe->immtdata = cpu_to_le32(be32_to_cpu(wr->ex.imm_data)); | |
343 | break; | |
344 | default: | |
345 | ud_sq_wqe->immtdata = 0; | |
346 | break; | |
347 | } | |
348 | ||
349 | /* Set sig attr */ | |
350 | roce_set_bit(ud_sq_wqe->byte_4, V2_UD_SEND_WQE_BYTE_4_CQE_S, | |
351 | (wr->send_flags & IB_SEND_SIGNALED) ? 1 : 0); | |
352 | ||
353 | /* Set se attr */ | |
354 | roce_set_bit(ud_sq_wqe->byte_4, V2_UD_SEND_WQE_BYTE_4_SE_S, | |
355 | (wr->send_flags & IB_SEND_SOLICITED) ? 1 : 0); | |
356 | ||
357 | roce_set_bit(ud_sq_wqe->byte_4, V2_UD_SEND_WQE_BYTE_4_OWNER_S, | |
358 | owner_bit); | |
359 | ||
360 | roce_set_field(ud_sq_wqe->byte_16, V2_UD_SEND_WQE_BYTE_16_PD_M, | |
361 | V2_UD_SEND_WQE_BYTE_16_PD_S, to_hr_pd(qp->ibqp.pd)->pdn); | |
362 | ||
363 | roce_set_field(ud_sq_wqe->byte_16, V2_UD_SEND_WQE_BYTE_16_SGE_NUM_M, | |
364 | V2_UD_SEND_WQE_BYTE_16_SGE_NUM_S, valid_num_sge); | |
365 | ||
366 | roce_set_field(ud_sq_wqe->byte_20, | |
367 | V2_UD_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_M, | |
368 | V2_UD_SEND_WQE_BYTE_20_MSG_START_SGE_IDX_S, | |
369 | curr_idx & (qp->sge.sge_cnt - 1)); | |
370 | ||
371 | roce_set_field(ud_sq_wqe->byte_24, V2_UD_SEND_WQE_BYTE_24_UDPSPN_M, | |
074bf2c2 | 372 | V2_UD_SEND_WQE_BYTE_24_UDPSPN_S, ah->av.udp_sport); |
d6a3627e XW |
373 | ud_sq_wqe->qkey = cpu_to_le32(ud_wr(wr)->remote_qkey & 0x80000000 ? |
374 | qp->qkey : ud_wr(wr)->remote_qkey); | |
375 | roce_set_field(ud_sq_wqe->byte_32, V2_UD_SEND_WQE_BYTE_32_DQPN_M, | |
376 | V2_UD_SEND_WQE_BYTE_32_DQPN_S, ud_wr(wr)->remote_qpn); | |
377 | ||
378 | roce_set_field(ud_sq_wqe->byte_36, V2_UD_SEND_WQE_BYTE_36_VLAN_M, | |
379 | V2_UD_SEND_WQE_BYTE_36_VLAN_S, ah->av.vlan_id); | |
380 | roce_set_field(ud_sq_wqe->byte_36, V2_UD_SEND_WQE_BYTE_36_HOPLIMIT_M, | |
381 | V2_UD_SEND_WQE_BYTE_36_HOPLIMIT_S, ah->av.hop_limit); | |
382 | roce_set_field(ud_sq_wqe->byte_36, V2_UD_SEND_WQE_BYTE_36_TCLASS_M, | |
383 | V2_UD_SEND_WQE_BYTE_36_TCLASS_S, ah->av.tclass); | |
384 | roce_set_field(ud_sq_wqe->byte_40, V2_UD_SEND_WQE_BYTE_40_FLOW_LABEL_M, | |
385 | V2_UD_SEND_WQE_BYTE_40_FLOW_LABEL_S, ah->av.flowlabel); | |
386 | roce_set_field(ud_sq_wqe->byte_40, V2_UD_SEND_WQE_BYTE_40_SL_M, | |
387 | V2_UD_SEND_WQE_BYTE_40_SL_S, ah->av.sl); | |
388 | roce_set_field(ud_sq_wqe->byte_40, V2_UD_SEND_WQE_BYTE_40_PORTN_M, | |
389 | V2_UD_SEND_WQE_BYTE_40_PORTN_S, qp->port); | |
390 | ||
391 | roce_set_bit(ud_sq_wqe->byte_40, V2_UD_SEND_WQE_BYTE_40_UD_VLAN_EN_S, | |
392 | ah->av.vlan_en ? 1 : 0); | |
393 | roce_set_field(ud_sq_wqe->byte_48, V2_UD_SEND_WQE_BYTE_48_SGID_INDX_M, | |
394 | V2_UD_SEND_WQE_BYTE_48_SGID_INDX_S, ah->av.gid_index); | |
395 | ||
396 | memcpy(&ud_sq_wqe->dgid[0], &ah->av.dgid[0], GID_LEN_V2); | |
397 | ||
398 | set_extend_sge(qp, wr, &curr_idx, valid_num_sge); | |
399 | ||
400 | *sge_idx = curr_idx; | |
401 | ||
402 | return 0; | |
403 | } | |
404 | ||
405 | static inline int set_rc_wqe(struct hns_roce_qp *qp, | |
406 | const struct ib_send_wr *wr, | |
407 | void *wqe, unsigned int *sge_idx, | |
408 | unsigned int owner_bit) | |
409 | { | |
410 | struct hns_roce_v2_rc_send_wqe *rc_sq_wqe = wqe; | |
411 | unsigned int curr_idx = *sge_idx; | |
13aa13dd | 412 | unsigned int valid_num_sge; |
d6a3627e XW |
413 | u32 msg_len = 0; |
414 | int ret = 0; | |
415 | ||
416 | valid_num_sge = calc_wr_sge_num(wr, &msg_len); | |
417 | memset(rc_sq_wqe, 0, sizeof(*rc_sq_wqe)); | |
418 | ||
419 | rc_sq_wqe->msg_len = cpu_to_le32(msg_len); | |
420 | ||
421 | switch (wr->opcode) { | |
422 | case IB_WR_SEND_WITH_IMM: | |
423 | case IB_WR_RDMA_WRITE_WITH_IMM: | |
424 | rc_sq_wqe->immtdata = cpu_to_le32(be32_to_cpu(wr->ex.imm_data)); | |
425 | break; | |
426 | case IB_WR_SEND_WITH_INV: | |
427 | rc_sq_wqe->inv_key = cpu_to_le32(wr->ex.invalidate_rkey); | |
428 | break; | |
429 | default: | |
430 | rc_sq_wqe->immtdata = 0; | |
431 | break; | |
432 | } | |
433 | ||
434 | roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_FENCE_S, | |
435 | (wr->send_flags & IB_SEND_FENCE) ? 1 : 0); | |
436 | ||
437 | roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_SE_S, | |
438 | (wr->send_flags & IB_SEND_SOLICITED) ? 1 : 0); | |
439 | ||
440 | roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_CQE_S, | |
441 | (wr->send_flags & IB_SEND_SIGNALED) ? 1 : 0); | |
442 | ||
443 | roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_OWNER_S, | |
444 | owner_bit); | |
445 | ||
d6a3627e XW |
446 | switch (wr->opcode) { |
447 | case IB_WR_RDMA_READ: | |
448 | case IB_WR_RDMA_WRITE: | |
449 | case IB_WR_RDMA_WRITE_WITH_IMM: | |
450 | rc_sq_wqe->rkey = cpu_to_le32(rdma_wr(wr)->rkey); | |
451 | rc_sq_wqe->va = cpu_to_le64(rdma_wr(wr)->remote_addr); | |
452 | break; | |
453 | case IB_WR_LOCAL_INV: | |
454 | roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_SO_S, 1); | |
455 | rc_sq_wqe->inv_key = cpu_to_le32(wr->ex.invalidate_rkey); | |
456 | break; | |
457 | case IB_WR_REG_MR: | |
eaaa98de | 458 | set_frmr_seg(rc_sq_wqe, reg_wr(wr)); |
d6a3627e XW |
459 | break; |
460 | case IB_WR_ATOMIC_CMP_AND_SWP: | |
461 | case IB_WR_ATOMIC_FETCH_AND_ADD: | |
462 | rc_sq_wqe->rkey = cpu_to_le32(atomic_wr(wr)->rkey); | |
463 | rc_sq_wqe->va = cpu_to_le64(atomic_wr(wr)->remote_addr); | |
464 | break; | |
465 | default: | |
466 | break; | |
467 | } | |
468 | ||
469 | roce_set_field(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_OPCODE_M, | |
470 | V2_RC_SEND_WQE_BYTE_4_OPCODE_S, | |
471 | to_hr_opcode(wr->opcode)); | |
472 | ||
473 | if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP || | |
474 | wr->opcode == IB_WR_ATOMIC_FETCH_AND_ADD) | |
eaaa98de | 475 | set_atomic_seg(wr, rc_sq_wqe, valid_num_sge); |
d6a3627e XW |
476 | else if (wr->opcode != IB_WR_REG_MR) |
477 | ret = set_rwqe_data_seg(&qp->ibqp, wr, rc_sq_wqe, | |
eaaa98de | 478 | &curr_idx, valid_num_sge); |
d6a3627e XW |
479 | |
480 | *sge_idx = curr_idx; | |
481 | ||
482 | return ret; | |
483 | } | |
484 | ||
75c994e6 YL |
485 | static inline void update_sq_db(struct hns_roce_dev *hr_dev, |
486 | struct hns_roce_qp *qp) | |
487 | { | |
488 | /* | |
489 | * Hip08 hardware cannot flush the WQEs in SQ if the QP state | |
490 | * gets into errored mode. Hence, as a workaround to this | |
491 | * hardware limitation, driver needs to assist in flushing. But | |
492 | * the flushing operation uses mailbox to convey the QP state to | |
493 | * the hardware and which can sleep due to the mutex protection | |
494 | * around the mailbox calls. Hence, use the deferred flush for | |
495 | * now. | |
496 | */ | |
497 | if (qp->state == IB_QPS_ERR) { | |
498 | if (!test_and_set_bit(HNS_ROCE_FLUSH_FLAG, &qp->flush_flag)) | |
499 | init_flush_work(hr_dev, qp); | |
500 | } else { | |
501 | struct hns_roce_v2_db sq_db = {}; | |
502 | ||
503 | roce_set_field(sq_db.byte_4, V2_DB_BYTE_4_TAG_M, | |
504 | V2_DB_BYTE_4_TAG_S, qp->doorbell_qpn); | |
505 | roce_set_field(sq_db.byte_4, V2_DB_BYTE_4_CMD_M, | |
506 | V2_DB_BYTE_4_CMD_S, HNS_ROCE_V2_SQ_DB); | |
507 | roce_set_field(sq_db.parameter, V2_DB_PARAMETER_IDX_M, | |
25966e89 | 508 | V2_DB_PARAMETER_IDX_S, qp->sq.head); |
75c994e6 YL |
509 | roce_set_field(sq_db.parameter, V2_DB_PARAMETER_SL_M, |
510 | V2_DB_PARAMETER_SL_S, qp->sl); | |
511 | ||
512 | hns_roce_write64(hr_dev, (__le32 *)&sq_db, qp->sq.db_reg_l); | |
513 | } | |
514 | } | |
515 | ||
d34ac5cd BVA |
516 | static int hns_roce_v2_post_send(struct ib_qp *ibqp, |
517 | const struct ib_send_wr *wr, | |
518 | const struct ib_send_wr **bad_wr) | |
2d407888 WHX |
519 | { |
520 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
d6a3627e | 521 | struct ib_device *ibdev = &hr_dev->ib_dev; |
2d407888 | 522 | struct hns_roce_qp *qp = to_hr_qp(ibqp); |
d6a3627e | 523 | unsigned long flags = 0; |
e8d18533 | 524 | unsigned int owner_bit; |
47688202 YL |
525 | unsigned int sge_idx; |
526 | unsigned int wqe_idx; | |
2d407888 | 527 | void *wqe = NULL; |
2d407888 | 528 | int nreq; |
626903e9 | 529 | int ret; |
2d407888 | 530 | |
626903e9 | 531 | spin_lock_irqsave(&qp->sq.lock, flags); |
2d407888 | 532 | |
626903e9 | 533 | ret = check_send_valid(hr_dev, qp); |
0db65709 | 534 | if (unlikely(ret)) { |
2d407888 | 535 | *bad_wr = wr; |
626903e9 XW |
536 | nreq = 0; |
537 | goto out; | |
2d407888 WHX |
538 | } |
539 | ||
47688202 | 540 | sge_idx = qp->next_sge; |
2d407888 WHX |
541 | |
542 | for (nreq = 0; wr; ++nreq, wr = wr->next) { | |
543 | if (hns_roce_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq)) { | |
544 | ret = -ENOMEM; | |
545 | *bad_wr = wr; | |
546 | goto out; | |
547 | } | |
548 | ||
47688202 YL |
549 | wqe_idx = (qp->sq.head + nreq) & (qp->sq.wqe_cnt - 1); |
550 | ||
2d407888 | 551 | if (unlikely(wr->num_sge > qp->sq.max_gs)) { |
d6a3627e XW |
552 | ibdev_err(ibdev, "num_sge=%d > qp->sq.max_gs=%d\n", |
553 | wr->num_sge, qp->sq.max_gs); | |
2d407888 WHX |
554 | ret = -EINVAL; |
555 | *bad_wr = wr; | |
556 | goto out; | |
557 | } | |
558 | ||
6c6e3921 | 559 | wqe = hns_roce_get_send_wqe(qp, wqe_idx); |
47688202 | 560 | qp->sq.wrid[wqe_idx] = wr->wr_id; |
634f6390 | 561 | owner_bit = |
562 | ~(((qp->sq.head + nreq) >> ilog2(qp->sq.wqe_cnt)) & 0x1); | |
468d020e | 563 | |
7bdee415 | 564 | /* Corresponding to the QP type, wqe process separately */ |
d6a3627e XW |
565 | if (ibqp->qp_type == IB_QPT_GSI) |
566 | ret = set_ud_wqe(qp, wr, wqe, &sge_idx, owner_bit); | |
567 | else if (ibqp->qp_type == IB_QPT_RC) | |
568 | ret = set_rc_wqe(qp, wr, wqe, &sge_idx, owner_bit); | |
d6a3627e | 569 | |
0db65709 | 570 | if (unlikely(ret)) { |
d6a3627e XW |
571 | *bad_wr = wr; |
572 | goto out; | |
573 | } | |
2d407888 WHX |
574 | } |
575 | ||
576 | out: | |
577 | if (likely(nreq)) { | |
578 | qp->sq.head += nreq; | |
75c994e6 | 579 | qp->next_sge = sge_idx; |
2d407888 WHX |
580 | /* Memory barrier */ |
581 | wmb(); | |
75c994e6 | 582 | update_sq_db(hr_dev, qp); |
2d407888 WHX |
583 | } |
584 | ||
585 | spin_unlock_irqrestore(&qp->sq.lock, flags); | |
586 | ||
587 | return ret; | |
588 | } | |
589 | ||
626903e9 XW |
590 | static int check_recv_valid(struct hns_roce_dev *hr_dev, |
591 | struct hns_roce_qp *hr_qp) | |
592 | { | |
593 | if (unlikely(hr_dev->state >= HNS_ROCE_DEVICE_STATE_RST_DOWN)) | |
594 | return -EIO; | |
595 | else if (hr_qp->state == IB_QPS_RESET) | |
596 | return -EINVAL; | |
597 | ||
598 | return 0; | |
599 | } | |
600 | ||
d34ac5cd BVA |
601 | static int hns_roce_v2_post_recv(struct ib_qp *ibqp, |
602 | const struct ib_recv_wr *wr, | |
603 | const struct ib_recv_wr **bad_wr) | |
2d407888 WHX |
604 | { |
605 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
606 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
ae1c6148 | 607 | struct ib_device *ibdev = &hr_dev->ib_dev; |
2d407888 | 608 | struct hns_roce_v2_wqe_data_seg *dseg; |
0009c2db | 609 | struct hns_roce_rinl_sge *sge_list; |
2d407888 WHX |
610 | unsigned long flags; |
611 | void *wqe = NULL; | |
47688202 | 612 | u32 wqe_idx; |
2d407888 | 613 | int nreq; |
626903e9 | 614 | int ret; |
2d407888 WHX |
615 | int i; |
616 | ||
617 | spin_lock_irqsave(&hr_qp->rq.lock, flags); | |
2d407888 | 618 | |
626903e9 | 619 | ret = check_recv_valid(hr_dev, hr_qp); |
0db65709 | 620 | if (unlikely(ret)) { |
2d407888 | 621 | *bad_wr = wr; |
626903e9 XW |
622 | nreq = 0; |
623 | goto out; | |
2d407888 WHX |
624 | } |
625 | ||
626 | for (nreq = 0; wr; ++nreq, wr = wr->next) { | |
0db65709 LC |
627 | if (unlikely(hns_roce_wq_overflow(&hr_qp->rq, nreq, |
628 | hr_qp->ibqp.recv_cq))) { | |
2d407888 WHX |
629 | ret = -ENOMEM; |
630 | *bad_wr = wr; | |
631 | goto out; | |
632 | } | |
633 | ||
47688202 YL |
634 | wqe_idx = (hr_qp->rq.head + nreq) & (hr_qp->rq.wqe_cnt - 1); |
635 | ||
6da06c62 | 636 | if (unlikely(wr->num_sge > hr_qp->rq.max_gs)) { |
ae1c6148 LO |
637 | ibdev_err(ibdev, "rq:num_sge=%d >= qp->sq.max_gs=%d\n", |
638 | wr->num_sge, hr_qp->rq.max_gs); | |
2d407888 WHX |
639 | ret = -EINVAL; |
640 | *bad_wr = wr; | |
641 | goto out; | |
642 | } | |
643 | ||
6c6e3921 | 644 | wqe = hns_roce_get_recv_wqe(hr_qp, wqe_idx); |
2d407888 WHX |
645 | dseg = (struct hns_roce_v2_wqe_data_seg *)wqe; |
646 | for (i = 0; i < wr->num_sge; i++) { | |
647 | if (!wr->sg_list[i].length) | |
648 | continue; | |
649 | set_data_seg_v2(dseg, wr->sg_list + i); | |
650 | dseg++; | |
651 | } | |
652 | ||
e1b43f07 | 653 | if (wr->num_sge < hr_qp->rq.max_gs) { |
778cc5a8 | 654 | dseg->lkey = cpu_to_le32(HNS_ROCE_INVALID_LKEY); |
655 | dseg->addr = 0; | |
2d407888 WHX |
656 | } |
657 | ||
0009c2db | 658 | /* rq support inline data */ |
54d66387 | 659 | if (hr_qp->rq_inl_buf.wqe_cnt) { |
47688202 YL |
660 | sge_list = hr_qp->rq_inl_buf.wqe_list[wqe_idx].sg_list; |
661 | hr_qp->rq_inl_buf.wqe_list[wqe_idx].sge_cnt = | |
ecaaf1e2 | 662 | (u32)wr->num_sge; |
663 | for (i = 0; i < wr->num_sge; i++) { | |
664 | sge_list[i].addr = | |
665 | (void *)(u64)wr->sg_list[i].addr; | |
666 | sge_list[i].len = wr->sg_list[i].length; | |
667 | } | |
0009c2db | 668 | } |
669 | ||
47688202 | 670 | hr_qp->rq.wrid[wqe_idx] = wr->wr_id; |
2d407888 WHX |
671 | } |
672 | ||
673 | out: | |
674 | if (likely(nreq)) { | |
675 | hr_qp->rq.head += nreq; | |
676 | /* Memory barrier */ | |
677 | wmb(); | |
678 | ||
b5374286 YL |
679 | /* |
680 | * Hip08 hardware cannot flush the WQEs in RQ if the QP state | |
681 | * gets into errored mode. Hence, as a workaround to this | |
682 | * hardware limitation, driver needs to assist in flushing. But | |
683 | * the flushing operation uses mailbox to convey the QP state to | |
684 | * the hardware and which can sleep due to the mutex protection | |
685 | * around the mailbox calls. Hence, use the deferred flush for | |
686 | * now. | |
687 | */ | |
75c994e6 | 688 | if (hr_qp->state == IB_QPS_ERR) { |
b5374286 YL |
689 | if (!test_and_set_bit(HNS_ROCE_FLUSH_FLAG, |
690 | &hr_qp->flush_flag)) | |
691 | init_flush_work(hr_dev, hr_qp); | |
75c994e6 YL |
692 | } else { |
693 | *hr_qp->rdb.db_record = hr_qp->rq.head & 0xffff; | |
694 | } | |
2d407888 WHX |
695 | } |
696 | spin_unlock_irqrestore(&hr_qp->rq.lock, flags); | |
697 | ||
698 | return ret; | |
699 | } | |
700 | ||
ffb1308b YL |
701 | static void *get_srq_wqe(struct hns_roce_srq *srq, int n) |
702 | { | |
703 | return hns_roce_buf_offset(srq->buf_mtr.kmem, n << srq->wqe_shift); | |
704 | } | |
705 | ||
67954a6e XW |
706 | static void *get_idx_buf(struct hns_roce_idx_que *idx_que, int n) |
707 | { | |
708 | return hns_roce_buf_offset(idx_que->mtr.kmem, | |
709 | n << idx_que->entry_shift); | |
710 | } | |
711 | ||
ffb1308b YL |
712 | static void hns_roce_free_srq_wqe(struct hns_roce_srq *srq, int wqe_index) |
713 | { | |
714 | /* always called with interrupts disabled. */ | |
715 | spin_lock(&srq->lock); | |
716 | ||
717 | bitmap_clear(srq->idx_que.bitmap, wqe_index, 1); | |
718 | srq->tail++; | |
719 | ||
720 | spin_unlock(&srq->lock); | |
721 | } | |
722 | ||
723 | static int find_empty_entry(struct hns_roce_idx_que *idx_que, | |
724 | unsigned long size) | |
725 | { | |
726 | int wqe_idx; | |
727 | ||
728 | if (unlikely(bitmap_full(idx_que->bitmap, size))) | |
729 | return -ENOSPC; | |
730 | ||
731 | wqe_idx = find_first_zero_bit(idx_que->bitmap, size); | |
732 | ||
733 | bitmap_set(idx_que->bitmap, wqe_idx, 1); | |
734 | ||
735 | return wqe_idx; | |
736 | } | |
737 | ||
ffb1308b YL |
738 | static int hns_roce_v2_post_srq_recv(struct ib_srq *ibsrq, |
739 | const struct ib_recv_wr *wr, | |
740 | const struct ib_recv_wr **bad_wr) | |
741 | { | |
742 | struct hns_roce_dev *hr_dev = to_hr_dev(ibsrq->device); | |
743 | struct hns_roce_srq *srq = to_hr_srq(ibsrq); | |
744 | struct hns_roce_v2_wqe_data_seg *dseg; | |
745 | struct hns_roce_v2_db srq_db; | |
746 | unsigned long flags; | |
67954a6e | 747 | __le32 *srq_idx; |
ffb1308b YL |
748 | int ret = 0; |
749 | int wqe_idx; | |
750 | void *wqe; | |
751 | int nreq; | |
752 | int ind; | |
753 | int i; | |
754 | ||
755 | spin_lock_irqsave(&srq->lock, flags); | |
756 | ||
757 | ind = srq->head & (srq->wqe_cnt - 1); | |
758 | ||
759 | for (nreq = 0; wr; ++nreq, wr = wr->next) { | |
760 | if (unlikely(wr->num_sge >= srq->max_gs)) { | |
761 | ret = -EINVAL; | |
762 | *bad_wr = wr; | |
763 | break; | |
764 | } | |
765 | ||
766 | if (unlikely(srq->head == srq->tail)) { | |
767 | ret = -ENOMEM; | |
768 | *bad_wr = wr; | |
769 | break; | |
770 | } | |
771 | ||
772 | wqe_idx = find_empty_entry(&srq->idx_que, srq->wqe_cnt); | |
0db65709 | 773 | if (unlikely(wqe_idx < 0)) { |
ffb1308b YL |
774 | ret = -ENOMEM; |
775 | *bad_wr = wr; | |
776 | break; | |
777 | } | |
778 | ||
ffb1308b YL |
779 | wqe = get_srq_wqe(srq, wqe_idx); |
780 | dseg = (struct hns_roce_v2_wqe_data_seg *)wqe; | |
781 | ||
782 | for (i = 0; i < wr->num_sge; ++i) { | |
783 | dseg[i].len = cpu_to_le32(wr->sg_list[i].length); | |
784 | dseg[i].lkey = cpu_to_le32(wr->sg_list[i].lkey); | |
785 | dseg[i].addr = cpu_to_le64(wr->sg_list[i].addr); | |
786 | } | |
787 | ||
e1b43f07 | 788 | if (wr->num_sge < srq->max_gs) { |
6da06c62 WL |
789 | dseg[i].len = 0; |
790 | dseg[i].lkey = cpu_to_le32(0x100); | |
ffb1308b YL |
791 | dseg[i].addr = 0; |
792 | } | |
793 | ||
67954a6e XW |
794 | srq_idx = get_idx_buf(&srq->idx_que, ind); |
795 | *srq_idx = cpu_to_le32(wqe_idx); | |
796 | ||
ffb1308b YL |
797 | srq->wrid[wqe_idx] = wr->wr_id; |
798 | ind = (ind + 1) & (srq->wqe_cnt - 1); | |
799 | } | |
800 | ||
801 | if (likely(nreq)) { | |
802 | srq->head += nreq; | |
803 | ||
804 | /* | |
805 | * Make sure that descriptors are written before | |
806 | * doorbell record. | |
807 | */ | |
808 | wmb(); | |
809 | ||
810 | srq_db.byte_4 = | |
811 | cpu_to_le32(HNS_ROCE_V2_SRQ_DB << V2_DB_BYTE_4_CMD_S | | |
812 | (srq->srqn & V2_DB_BYTE_4_TAG_M)); | |
25966e89 LC |
813 | srq_db.parameter = |
814 | cpu_to_le32(srq->head & V2_DB_PARAMETER_IDX_M); | |
ffb1308b YL |
815 | |
816 | hns_roce_write64(hr_dev, (__le32 *)&srq_db, srq->db_reg_l); | |
817 | } | |
818 | ||
819 | spin_unlock_irqrestore(&srq->lock, flags); | |
820 | ||
821 | return ret; | |
822 | } | |
823 | ||
6a04aed6 WHX |
824 | static int hns_roce_v2_cmd_hw_reseted(struct hns_roce_dev *hr_dev, |
825 | unsigned long instance_stage, | |
826 | unsigned long reset_stage) | |
827 | { | |
828 | /* When hardware reset has been completed once or more, we should stop | |
d3743fa9 | 829 | * sending mailbox&cmq&doorbell to hardware. If now in .init_instance() |
6a04aed6 WHX |
830 | * function, we should exit with error. If now at HNAE3_INIT_CLIENT |
831 | * stage of soft reset process, we should exit with error, and then | |
832 | * HNAE3_INIT_CLIENT related process can rollback the operation like | |
833 | * notifing hardware to free resources, HNAE3_INIT_CLIENT related | |
834 | * process will exit with error to notify NIC driver to reschedule soft | |
835 | * reset process once again. | |
836 | */ | |
837 | hr_dev->is_reset = true; | |
d3743fa9 | 838 | hr_dev->dis_db = true; |
6a04aed6 WHX |
839 | |
840 | if (reset_stage == HNS_ROCE_STATE_RST_INIT || | |
841 | instance_stage == HNS_ROCE_STATE_INIT) | |
842 | return CMD_RST_PRC_EBUSY; | |
843 | ||
844 | return CMD_RST_PRC_SUCCESS; | |
845 | } | |
846 | ||
847 | static int hns_roce_v2_cmd_hw_resetting(struct hns_roce_dev *hr_dev, | |
848 | unsigned long instance_stage, | |
849 | unsigned long reset_stage) | |
850 | { | |
14ba8730 | 851 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
6a04aed6 WHX |
852 | struct hnae3_handle *handle = priv->handle; |
853 | const struct hnae3_ae_ops *ops = handle->ae_algo->ops; | |
854 | ||
d3743fa9 WHX |
855 | /* When hardware reset is detected, we should stop sending mailbox&cmq& |
856 | * doorbell to hardware. If now in .init_instance() function, we should | |
6a04aed6 WHX |
857 | * exit with error. If now at HNAE3_INIT_CLIENT stage of soft reset |
858 | * process, we should exit with error, and then HNAE3_INIT_CLIENT | |
859 | * related process can rollback the operation like notifing hardware to | |
860 | * free resources, HNAE3_INIT_CLIENT related process will exit with | |
861 | * error to notify NIC driver to reschedule soft reset process once | |
862 | * again. | |
863 | */ | |
d3743fa9 | 864 | hr_dev->dis_db = true; |
6a04aed6 WHX |
865 | if (!ops->get_hw_reset_stat(handle)) |
866 | hr_dev->is_reset = true; | |
867 | ||
868 | if (!hr_dev->is_reset || reset_stage == HNS_ROCE_STATE_RST_INIT || | |
869 | instance_stage == HNS_ROCE_STATE_INIT) | |
870 | return CMD_RST_PRC_EBUSY; | |
871 | ||
872 | return CMD_RST_PRC_SUCCESS; | |
873 | } | |
874 | ||
875 | static int hns_roce_v2_cmd_sw_resetting(struct hns_roce_dev *hr_dev) | |
876 | { | |
14ba8730 | 877 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
6a04aed6 WHX |
878 | struct hnae3_handle *handle = priv->handle; |
879 | const struct hnae3_ae_ops *ops = handle->ae_algo->ops; | |
880 | ||
881 | /* When software reset is detected at .init_instance() function, we | |
d3743fa9 WHX |
882 | * should stop sending mailbox&cmq&doorbell to hardware, and exit |
883 | * with error. | |
6a04aed6 | 884 | */ |
d3743fa9 | 885 | hr_dev->dis_db = true; |
6a04aed6 WHX |
886 | if (ops->ae_dev_reset_cnt(handle) != hr_dev->reset_cnt) |
887 | hr_dev->is_reset = true; | |
888 | ||
889 | return CMD_RST_PRC_EBUSY; | |
890 | } | |
891 | ||
892 | static int hns_roce_v2_rst_process_cmd(struct hns_roce_dev *hr_dev) | |
893 | { | |
14ba8730 | 894 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
6a04aed6 WHX |
895 | struct hnae3_handle *handle = priv->handle; |
896 | const struct hnae3_ae_ops *ops = handle->ae_algo->ops; | |
897 | unsigned long instance_stage; /* the current instance stage */ | |
898 | unsigned long reset_stage; /* the current reset stage */ | |
899 | unsigned long reset_cnt; | |
900 | bool sw_resetting; | |
901 | bool hw_resetting; | |
902 | ||
903 | if (hr_dev->is_reset) | |
904 | return CMD_RST_PRC_SUCCESS; | |
905 | ||
906 | /* Get information about reset from NIC driver or RoCE driver itself, | |
907 | * the meaning of the following variables from NIC driver are described | |
908 | * as below: | |
909 | * reset_cnt -- The count value of completed hardware reset. | |
910 | * hw_resetting -- Whether hardware device is resetting now. | |
911 | * sw_resetting -- Whether NIC's software reset process is running now. | |
912 | */ | |
913 | instance_stage = handle->rinfo.instance_state; | |
914 | reset_stage = handle->rinfo.reset_state; | |
915 | reset_cnt = ops->ae_dev_reset_cnt(handle); | |
3ec5f54f | 916 | hw_resetting = ops->get_cmdq_stat(handle); |
6a04aed6 WHX |
917 | sw_resetting = ops->ae_dev_resetting(handle); |
918 | ||
919 | if (reset_cnt != hr_dev->reset_cnt) | |
920 | return hns_roce_v2_cmd_hw_reseted(hr_dev, instance_stage, | |
921 | reset_stage); | |
922 | else if (hw_resetting) | |
923 | return hns_roce_v2_cmd_hw_resetting(hr_dev, instance_stage, | |
924 | reset_stage); | |
925 | else if (sw_resetting && instance_stage == HNS_ROCE_STATE_INIT) | |
926 | return hns_roce_v2_cmd_sw_resetting(hr_dev); | |
927 | ||
928 | return 0; | |
929 | } | |
930 | ||
a04ff739 WHX |
931 | static int hns_roce_cmq_space(struct hns_roce_v2_cmq_ring *ring) |
932 | { | |
933 | int ntu = ring->next_to_use; | |
934 | int ntc = ring->next_to_clean; | |
935 | int used = (ntu - ntc + ring->desc_num) % ring->desc_num; | |
936 | ||
937 | return ring->desc_num - used - 1; | |
938 | } | |
939 | ||
940 | static int hns_roce_alloc_cmq_desc(struct hns_roce_dev *hr_dev, | |
941 | struct hns_roce_v2_cmq_ring *ring) | |
942 | { | |
943 | int size = ring->desc_num * sizeof(struct hns_roce_cmq_desc); | |
944 | ||
945 | ring->desc = kzalloc(size, GFP_KERNEL); | |
946 | if (!ring->desc) | |
947 | return -ENOMEM; | |
948 | ||
949 | ring->desc_dma_addr = dma_map_single(hr_dev->dev, ring->desc, size, | |
950 | DMA_BIDIRECTIONAL); | |
951 | if (dma_mapping_error(hr_dev->dev, ring->desc_dma_addr)) { | |
952 | ring->desc_dma_addr = 0; | |
953 | kfree(ring->desc); | |
954 | ring->desc = NULL; | |
955 | return -ENOMEM; | |
956 | } | |
957 | ||
958 | return 0; | |
959 | } | |
960 | ||
961 | static void hns_roce_free_cmq_desc(struct hns_roce_dev *hr_dev, | |
962 | struct hns_roce_v2_cmq_ring *ring) | |
963 | { | |
964 | dma_unmap_single(hr_dev->dev, ring->desc_dma_addr, | |
965 | ring->desc_num * sizeof(struct hns_roce_cmq_desc), | |
966 | DMA_BIDIRECTIONAL); | |
90e7a4d5 | 967 | |
968 | ring->desc_dma_addr = 0; | |
a04ff739 WHX |
969 | kfree(ring->desc); |
970 | } | |
971 | ||
972 | static int hns_roce_init_cmq_ring(struct hns_roce_dev *hr_dev, bool ring_type) | |
973 | { | |
14ba8730 | 974 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
a04ff739 WHX |
975 | struct hns_roce_v2_cmq_ring *ring = (ring_type == TYPE_CSQ) ? |
976 | &priv->cmq.csq : &priv->cmq.crq; | |
977 | ||
978 | ring->flag = ring_type; | |
979 | ring->next_to_clean = 0; | |
980 | ring->next_to_use = 0; | |
981 | ||
982 | return hns_roce_alloc_cmq_desc(hr_dev, ring); | |
983 | } | |
984 | ||
985 | static void hns_roce_cmq_init_regs(struct hns_roce_dev *hr_dev, bool ring_type) | |
986 | { | |
14ba8730 | 987 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
a04ff739 WHX |
988 | struct hns_roce_v2_cmq_ring *ring = (ring_type == TYPE_CSQ) ? |
989 | &priv->cmq.csq : &priv->cmq.crq; | |
990 | dma_addr_t dma = ring->desc_dma_addr; | |
991 | ||
992 | if (ring_type == TYPE_CSQ) { | |
993 | roce_write(hr_dev, ROCEE_TX_CMQ_BASEADDR_L_REG, (u32)dma); | |
994 | roce_write(hr_dev, ROCEE_TX_CMQ_BASEADDR_H_REG, | |
995 | upper_32_bits(dma)); | |
996 | roce_write(hr_dev, ROCEE_TX_CMQ_DEPTH_REG, | |
2288b3b3 | 997 | ring->desc_num >> HNS_ROCE_CMQ_DESC_NUM_S); |
a04ff739 WHX |
998 | roce_write(hr_dev, ROCEE_TX_CMQ_HEAD_REG, 0); |
999 | roce_write(hr_dev, ROCEE_TX_CMQ_TAIL_REG, 0); | |
1000 | } else { | |
1001 | roce_write(hr_dev, ROCEE_RX_CMQ_BASEADDR_L_REG, (u32)dma); | |
1002 | roce_write(hr_dev, ROCEE_RX_CMQ_BASEADDR_H_REG, | |
1003 | upper_32_bits(dma)); | |
1004 | roce_write(hr_dev, ROCEE_RX_CMQ_DEPTH_REG, | |
2288b3b3 | 1005 | ring->desc_num >> HNS_ROCE_CMQ_DESC_NUM_S); |
a04ff739 WHX |
1006 | roce_write(hr_dev, ROCEE_RX_CMQ_HEAD_REG, 0); |
1007 | roce_write(hr_dev, ROCEE_RX_CMQ_TAIL_REG, 0); | |
1008 | } | |
1009 | } | |
1010 | ||
1011 | static int hns_roce_v2_cmq_init(struct hns_roce_dev *hr_dev) | |
1012 | { | |
14ba8730 | 1013 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
a04ff739 WHX |
1014 | int ret; |
1015 | ||
1016 | /* Setup the queue entries for command queue */ | |
426c4146 LO |
1017 | priv->cmq.csq.desc_num = CMD_CSQ_DESC_NUM; |
1018 | priv->cmq.crq.desc_num = CMD_CRQ_DESC_NUM; | |
a04ff739 WHX |
1019 | |
1020 | /* Setup the lock for command queue */ | |
1021 | spin_lock_init(&priv->cmq.csq.lock); | |
1022 | spin_lock_init(&priv->cmq.crq.lock); | |
1023 | ||
1024 | /* Setup Tx write back timeout */ | |
1025 | priv->cmq.tx_timeout = HNS_ROCE_CMQ_TX_TIMEOUT; | |
1026 | ||
1027 | /* Init CSQ */ | |
1028 | ret = hns_roce_init_cmq_ring(hr_dev, TYPE_CSQ); | |
1029 | if (ret) { | |
1030 | dev_err(hr_dev->dev, "Init CSQ error, ret = %d.\n", ret); | |
1031 | return ret; | |
1032 | } | |
1033 | ||
1034 | /* Init CRQ */ | |
1035 | ret = hns_roce_init_cmq_ring(hr_dev, TYPE_CRQ); | |
1036 | if (ret) { | |
1037 | dev_err(hr_dev->dev, "Init CRQ error, ret = %d.\n", ret); | |
1038 | goto err_crq; | |
1039 | } | |
1040 | ||
1041 | /* Init CSQ REG */ | |
1042 | hns_roce_cmq_init_regs(hr_dev, TYPE_CSQ); | |
1043 | ||
1044 | /* Init CRQ REG */ | |
1045 | hns_roce_cmq_init_regs(hr_dev, TYPE_CRQ); | |
1046 | ||
1047 | return 0; | |
1048 | ||
1049 | err_crq: | |
1050 | hns_roce_free_cmq_desc(hr_dev, &priv->cmq.csq); | |
1051 | ||
1052 | return ret; | |
1053 | } | |
1054 | ||
1055 | static void hns_roce_v2_cmq_exit(struct hns_roce_dev *hr_dev) | |
1056 | { | |
14ba8730 | 1057 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
a04ff739 WHX |
1058 | |
1059 | hns_roce_free_cmq_desc(hr_dev, &priv->cmq.csq); | |
1060 | hns_roce_free_cmq_desc(hr_dev, &priv->cmq.crq); | |
1061 | } | |
1062 | ||
281d0ccf CIK |
1063 | static void hns_roce_cmq_setup_basic_desc(struct hns_roce_cmq_desc *desc, |
1064 | enum hns_roce_opcode_type opcode, | |
1065 | bool is_read) | |
a04ff739 WHX |
1066 | { |
1067 | memset((void *)desc, 0, sizeof(struct hns_roce_cmq_desc)); | |
1068 | desc->opcode = cpu_to_le16(opcode); | |
1069 | desc->flag = | |
1070 | cpu_to_le16(HNS_ROCE_CMD_FLAG_NO_INTR | HNS_ROCE_CMD_FLAG_IN); | |
1071 | if (is_read) | |
1072 | desc->flag |= cpu_to_le16(HNS_ROCE_CMD_FLAG_WR); | |
1073 | else | |
1074 | desc->flag &= cpu_to_le16(~HNS_ROCE_CMD_FLAG_WR); | |
1075 | } | |
1076 | ||
1077 | static int hns_roce_cmq_csq_done(struct hns_roce_dev *hr_dev) | |
1078 | { | |
a04ff739 | 1079 | u32 head = roce_read(hr_dev, ROCEE_TX_CMQ_HEAD_REG); |
14ba8730 | 1080 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
a04ff739 WHX |
1081 | |
1082 | return head == priv->cmq.csq.next_to_use; | |
1083 | } | |
1084 | ||
1085 | static int hns_roce_cmq_csq_clean(struct hns_roce_dev *hr_dev) | |
1086 | { | |
14ba8730 | 1087 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
a04ff739 WHX |
1088 | struct hns_roce_v2_cmq_ring *csq = &priv->cmq.csq; |
1089 | struct hns_roce_cmq_desc *desc; | |
1090 | u16 ntc = csq->next_to_clean; | |
1091 | u32 head; | |
1092 | int clean = 0; | |
1093 | ||
1094 | desc = &csq->desc[ntc]; | |
1095 | head = roce_read(hr_dev, ROCEE_TX_CMQ_HEAD_REG); | |
1096 | while (head != ntc) { | |
1097 | memset(desc, 0, sizeof(*desc)); | |
1098 | ntc++; | |
1099 | if (ntc == csq->desc_num) | |
1100 | ntc = 0; | |
1101 | desc = &csq->desc[ntc]; | |
1102 | clean++; | |
1103 | } | |
1104 | csq->next_to_clean = ntc; | |
1105 | ||
1106 | return clean; | |
1107 | } | |
1108 | ||
6a04aed6 WHX |
1109 | static int __hns_roce_cmq_send(struct hns_roce_dev *hr_dev, |
1110 | struct hns_roce_cmq_desc *desc, int num) | |
a04ff739 | 1111 | { |
14ba8730 | 1112 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
a04ff739 WHX |
1113 | struct hns_roce_v2_cmq_ring *csq = &priv->cmq.csq; |
1114 | struct hns_roce_cmq_desc *desc_to_use; | |
1115 | bool complete = false; | |
1116 | u32 timeout = 0; | |
1117 | int handle = 0; | |
1118 | u16 desc_ret; | |
1119 | int ret = 0; | |
1120 | int ntc; | |
1121 | ||
1122 | spin_lock_bh(&csq->lock); | |
1123 | ||
1124 | if (num > hns_roce_cmq_space(csq)) { | |
1125 | spin_unlock_bh(&csq->lock); | |
1126 | return -EBUSY; | |
1127 | } | |
1128 | ||
1129 | /* | |
1130 | * Record the location of desc in the cmq for this time | |
1131 | * which will be use for hardware to write back | |
1132 | */ | |
1133 | ntc = csq->next_to_use; | |
1134 | ||
1135 | while (handle < num) { | |
1136 | desc_to_use = &csq->desc[csq->next_to_use]; | |
1137 | *desc_to_use = desc[handle]; | |
1138 | dev_dbg(hr_dev->dev, "set cmq desc:\n"); | |
1139 | csq->next_to_use++; | |
1140 | if (csq->next_to_use == csq->desc_num) | |
1141 | csq->next_to_use = 0; | |
1142 | handle++; | |
1143 | } | |
1144 | ||
1145 | /* Write to hardware */ | |
1146 | roce_write(hr_dev, ROCEE_TX_CMQ_TAIL_REG, csq->next_to_use); | |
1147 | ||
1148 | /* | |
1149 | * If the command is sync, wait for the firmware to write back, | |
1150 | * if multi descriptors to be sent, use the first one to check | |
1151 | */ | |
bfe86035 | 1152 | if (le16_to_cpu(desc->flag) & HNS_ROCE_CMD_FLAG_NO_INTR) { |
a04ff739 WHX |
1153 | do { |
1154 | if (hns_roce_cmq_csq_done(hr_dev)) | |
1155 | break; | |
988e175b | 1156 | udelay(1); |
a04ff739 WHX |
1157 | timeout++; |
1158 | } while (timeout < priv->cmq.tx_timeout); | |
1159 | } | |
1160 | ||
1161 | if (hns_roce_cmq_csq_done(hr_dev)) { | |
1162 | complete = true; | |
1163 | handle = 0; | |
1164 | while (handle < num) { | |
1165 | /* get the result of hardware write back */ | |
1166 | desc_to_use = &csq->desc[ntc]; | |
1167 | desc[handle] = *desc_to_use; | |
1168 | dev_dbg(hr_dev->dev, "Get cmq desc:\n"); | |
bfe86035 | 1169 | desc_ret = le16_to_cpu(desc[handle].retval); |
a04ff739 WHX |
1170 | if (desc_ret == CMD_EXEC_SUCCESS) |
1171 | ret = 0; | |
1172 | else | |
1173 | ret = -EIO; | |
1174 | priv->cmq.last_status = desc_ret; | |
1175 | ntc++; | |
1176 | handle++; | |
1177 | if (ntc == csq->desc_num) | |
1178 | ntc = 0; | |
1179 | } | |
1180 | } | |
1181 | ||
1182 | if (!complete) | |
1183 | ret = -EAGAIN; | |
1184 | ||
1185 | /* clean the command send queue */ | |
1186 | handle = hns_roce_cmq_csq_clean(hr_dev); | |
1187 | if (handle != num) | |
1188 | dev_warn(hr_dev->dev, "Cleaned %d, need to clean %d\n", | |
1189 | handle, num); | |
1190 | ||
1191 | spin_unlock_bh(&csq->lock); | |
1192 | ||
1193 | return ret; | |
1194 | } | |
1195 | ||
e95e52a1 | 1196 | static int hns_roce_cmq_send(struct hns_roce_dev *hr_dev, |
6a04aed6 WHX |
1197 | struct hns_roce_cmq_desc *desc, int num) |
1198 | { | |
1199 | int retval; | |
1200 | int ret; | |
1201 | ||
1202 | ret = hns_roce_v2_rst_process_cmd(hr_dev); | |
1203 | if (ret == CMD_RST_PRC_SUCCESS) | |
1204 | return 0; | |
1205 | if (ret == CMD_RST_PRC_EBUSY) | |
b417c087 | 1206 | return -EBUSY; |
6a04aed6 WHX |
1207 | |
1208 | ret = __hns_roce_cmq_send(hr_dev, desc, num); | |
1209 | if (ret) { | |
1210 | retval = hns_roce_v2_rst_process_cmd(hr_dev); | |
1211 | if (retval == CMD_RST_PRC_SUCCESS) | |
1212 | return 0; | |
1213 | else if (retval == CMD_RST_PRC_EBUSY) | |
b417c087 | 1214 | return -EBUSY; |
6a04aed6 WHX |
1215 | } |
1216 | ||
1217 | return ret; | |
1218 | } | |
1219 | ||
281d0ccf | 1220 | static int hns_roce_cmq_query_hw_info(struct hns_roce_dev *hr_dev) |
cfc85f3e WHX |
1221 | { |
1222 | struct hns_roce_query_version *resp; | |
1223 | struct hns_roce_cmq_desc desc; | |
1224 | int ret; | |
1225 | ||
1226 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_QUERY_HW_VER, true); | |
1227 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); | |
1228 | if (ret) | |
1229 | return ret; | |
1230 | ||
1231 | resp = (struct hns_roce_query_version *)desc.data; | |
bfe86035 | 1232 | hr_dev->hw_rev = le16_to_cpu(resp->rocee_hw_version); |
3a63c964 LO |
1233 | hr_dev->vendor_id = hr_dev->pci_dev->vendor; |
1234 | ||
1235 | return 0; | |
1236 | } | |
1237 | ||
e075da5e LC |
1238 | static bool hns_roce_func_clr_chk_rst(struct hns_roce_dev *hr_dev) |
1239 | { | |
14ba8730 | 1240 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
e075da5e LC |
1241 | struct hnae3_handle *handle = priv->handle; |
1242 | const struct hnae3_ae_ops *ops = handle->ae_algo->ops; | |
1243 | unsigned long reset_cnt; | |
1244 | bool sw_resetting; | |
1245 | bool hw_resetting; | |
1246 | ||
1247 | reset_cnt = ops->ae_dev_reset_cnt(handle); | |
1248 | hw_resetting = ops->get_hw_reset_stat(handle); | |
1249 | sw_resetting = ops->ae_dev_resetting(handle); | |
1250 | ||
1251 | if (reset_cnt != hr_dev->reset_cnt || hw_resetting || sw_resetting) | |
1252 | return true; | |
1253 | ||
1254 | return false; | |
1255 | } | |
1256 | ||
1257 | static void hns_roce_func_clr_rst_prc(struct hns_roce_dev *hr_dev, int retval, | |
1258 | int flag) | |
1259 | { | |
14ba8730 | 1260 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
e075da5e LC |
1261 | struct hnae3_handle *handle = priv->handle; |
1262 | const struct hnae3_ae_ops *ops = handle->ae_algo->ops; | |
1263 | unsigned long instance_stage; | |
1264 | unsigned long reset_cnt; | |
1265 | unsigned long end; | |
1266 | bool sw_resetting; | |
1267 | bool hw_resetting; | |
1268 | ||
1269 | instance_stage = handle->rinfo.instance_state; | |
1270 | reset_cnt = ops->ae_dev_reset_cnt(handle); | |
1271 | hw_resetting = ops->get_hw_reset_stat(handle); | |
1272 | sw_resetting = ops->ae_dev_resetting(handle); | |
1273 | ||
1274 | if (reset_cnt != hr_dev->reset_cnt) { | |
1275 | hr_dev->dis_db = true; | |
1276 | hr_dev->is_reset = true; | |
1277 | dev_info(hr_dev->dev, "Func clear success after reset.\n"); | |
1278 | } else if (hw_resetting) { | |
1279 | hr_dev->dis_db = true; | |
1280 | ||
1281 | dev_warn(hr_dev->dev, | |
1282 | "Func clear is pending, device in resetting state.\n"); | |
1283 | end = HNS_ROCE_V2_HW_RST_TIMEOUT; | |
1284 | while (end) { | |
1285 | if (!ops->get_hw_reset_stat(handle)) { | |
1286 | hr_dev->is_reset = true; | |
1287 | dev_info(hr_dev->dev, | |
1288 | "Func clear success after reset.\n"); | |
1289 | return; | |
1290 | } | |
1291 | msleep(HNS_ROCE_V2_HW_RST_COMPLETION_WAIT); | |
1292 | end -= HNS_ROCE_V2_HW_RST_COMPLETION_WAIT; | |
1293 | } | |
1294 | ||
1295 | dev_warn(hr_dev->dev, "Func clear failed.\n"); | |
1296 | } else if (sw_resetting && instance_stage == HNS_ROCE_STATE_INIT) { | |
1297 | hr_dev->dis_db = true; | |
1298 | ||
1299 | dev_warn(hr_dev->dev, | |
1300 | "Func clear is pending, device in resetting state.\n"); | |
1301 | end = HNS_ROCE_V2_HW_RST_TIMEOUT; | |
1302 | while (end) { | |
1303 | if (ops->ae_dev_reset_cnt(handle) != | |
1304 | hr_dev->reset_cnt) { | |
1305 | hr_dev->is_reset = true; | |
1306 | dev_info(hr_dev->dev, | |
1307 | "Func clear success after sw reset\n"); | |
1308 | return; | |
1309 | } | |
1310 | msleep(HNS_ROCE_V2_HW_RST_COMPLETION_WAIT); | |
1311 | end -= HNS_ROCE_V2_HW_RST_COMPLETION_WAIT; | |
1312 | } | |
1313 | ||
1314 | dev_warn(hr_dev->dev, "Func clear failed because of unfinished sw reset\n"); | |
1315 | } else { | |
1316 | if (retval && !flag) | |
1317 | dev_warn(hr_dev->dev, | |
1318 | "Func clear read failed, ret = %d.\n", retval); | |
1319 | ||
1320 | dev_warn(hr_dev->dev, "Func clear failed.\n"); | |
1321 | } | |
1322 | } | |
89a6da3c LC |
1323 | static void hns_roce_function_clear(struct hns_roce_dev *hr_dev) |
1324 | { | |
e075da5e | 1325 | bool fclr_write_fail_flag = false; |
89a6da3c LC |
1326 | struct hns_roce_func_clear *resp; |
1327 | struct hns_roce_cmq_desc desc; | |
1328 | unsigned long end; | |
e075da5e LC |
1329 | int ret = 0; |
1330 | ||
1331 | if (hns_roce_func_clr_chk_rst(hr_dev)) | |
1332 | goto out; | |
89a6da3c LC |
1333 | |
1334 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_FUNC_CLEAR, false); | |
1335 | resp = (struct hns_roce_func_clear *)desc.data; | |
1336 | ||
1337 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); | |
1338 | if (ret) { | |
e075da5e | 1339 | fclr_write_fail_flag = true; |
89a6da3c LC |
1340 | dev_err(hr_dev->dev, "Func clear write failed, ret = %d.\n", |
1341 | ret); | |
e075da5e | 1342 | goto out; |
89a6da3c LC |
1343 | } |
1344 | ||
1345 | msleep(HNS_ROCE_V2_READ_FUNC_CLEAR_FLAG_INTERVAL); | |
1346 | end = HNS_ROCE_V2_FUNC_CLEAR_TIMEOUT_MSECS; | |
1347 | while (end) { | |
e075da5e LC |
1348 | if (hns_roce_func_clr_chk_rst(hr_dev)) |
1349 | goto out; | |
89a6da3c LC |
1350 | msleep(HNS_ROCE_V2_READ_FUNC_CLEAR_FLAG_FAIL_WAIT); |
1351 | end -= HNS_ROCE_V2_READ_FUNC_CLEAR_FLAG_FAIL_WAIT; | |
1352 | ||
1353 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_FUNC_CLEAR, | |
1354 | true); | |
1355 | ||
1356 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); | |
1357 | if (ret) | |
1358 | continue; | |
1359 | ||
1360 | if (roce_get_bit(resp->func_done, FUNC_CLEAR_RST_FUN_DONE_S)) { | |
1361 | hr_dev->is_reset = true; | |
1362 | return; | |
1363 | } | |
1364 | } | |
1365 | ||
e075da5e | 1366 | out: |
e075da5e | 1367 | hns_roce_func_clr_rst_prc(hr_dev, ret, fclr_write_fail_flag); |
89a6da3c LC |
1368 | } |
1369 | ||
3a63c964 LO |
1370 | static int hns_roce_query_fw_ver(struct hns_roce_dev *hr_dev) |
1371 | { | |
1372 | struct hns_roce_query_fw_info *resp; | |
1373 | struct hns_roce_cmq_desc desc; | |
1374 | int ret; | |
1375 | ||
1376 | hns_roce_cmq_setup_basic_desc(&desc, HNS_QUERY_FW_VER, true); | |
1377 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); | |
1378 | if (ret) | |
1379 | return ret; | |
1380 | ||
1381 | resp = (struct hns_roce_query_fw_info *)desc.data; | |
1382 | hr_dev->caps.fw_ver = (u64)(le32_to_cpu(resp->fw_ver)); | |
cfc85f3e WHX |
1383 | |
1384 | return 0; | |
1385 | } | |
1386 | ||
1387 | static int hns_roce_config_global_param(struct hns_roce_dev *hr_dev) | |
1388 | { | |
1389 | struct hns_roce_cfg_global_param *req; | |
1390 | struct hns_roce_cmq_desc desc; | |
1391 | ||
1392 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CFG_GLOBAL_PARAM, | |
1393 | false); | |
1394 | ||
1395 | req = (struct hns_roce_cfg_global_param *)desc.data; | |
1396 | memset(req, 0, sizeof(*req)); | |
1397 | roce_set_field(req->time_cfg_udp_port, | |
1398 | CFG_GLOBAL_PARAM_DATA_0_ROCEE_TIME_1US_CFG_M, | |
1399 | CFG_GLOBAL_PARAM_DATA_0_ROCEE_TIME_1US_CFG_S, 0x3e8); | |
1400 | roce_set_field(req->time_cfg_udp_port, | |
1401 | CFG_GLOBAL_PARAM_DATA_0_ROCEE_UDP_PORT_M, | |
1402 | CFG_GLOBAL_PARAM_DATA_0_ROCEE_UDP_PORT_S, 0x12b7); | |
1403 | ||
1404 | return hns_roce_cmq_send(hr_dev, &desc, 1); | |
1405 | } | |
1406 | ||
1407 | static int hns_roce_query_pf_resource(struct hns_roce_dev *hr_dev) | |
1408 | { | |
1409 | struct hns_roce_cmq_desc desc[2]; | |
6b63597d | 1410 | struct hns_roce_pf_res_a *req_a; |
1411 | struct hns_roce_pf_res_b *req_b; | |
cfc85f3e WHX |
1412 | int ret; |
1413 | int i; | |
1414 | ||
1415 | for (i = 0; i < 2; i++) { | |
1416 | hns_roce_cmq_setup_basic_desc(&desc[i], | |
1417 | HNS_ROCE_OPC_QUERY_PF_RES, true); | |
1418 | ||
1419 | if (i == 0) | |
1420 | desc[i].flag |= cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
1421 | else | |
1422 | desc[i].flag &= ~cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
1423 | } | |
1424 | ||
1425 | ret = hns_roce_cmq_send(hr_dev, desc, 2); | |
1426 | if (ret) | |
1427 | return ret; | |
1428 | ||
6b63597d | 1429 | req_a = (struct hns_roce_pf_res_a *)desc[0].data; |
1430 | req_b = (struct hns_roce_pf_res_b *)desc[1].data; | |
cfc85f3e | 1431 | |
6b63597d | 1432 | hr_dev->caps.qpc_bt_num = roce_get_field(req_a->qpc_bt_idx_num, |
cfc85f3e WHX |
1433 | PF_RES_DATA_1_PF_QPC_BT_NUM_M, |
1434 | PF_RES_DATA_1_PF_QPC_BT_NUM_S); | |
6b63597d | 1435 | hr_dev->caps.srqc_bt_num = roce_get_field(req_a->srqc_bt_idx_num, |
cfc85f3e WHX |
1436 | PF_RES_DATA_2_PF_SRQC_BT_NUM_M, |
1437 | PF_RES_DATA_2_PF_SRQC_BT_NUM_S); | |
6b63597d | 1438 | hr_dev->caps.cqc_bt_num = roce_get_field(req_a->cqc_bt_idx_num, |
cfc85f3e WHX |
1439 | PF_RES_DATA_3_PF_CQC_BT_NUM_M, |
1440 | PF_RES_DATA_3_PF_CQC_BT_NUM_S); | |
6b63597d | 1441 | hr_dev->caps.mpt_bt_num = roce_get_field(req_a->mpt_bt_idx_num, |
cfc85f3e WHX |
1442 | PF_RES_DATA_4_PF_MPT_BT_NUM_M, |
1443 | PF_RES_DATA_4_PF_MPT_BT_NUM_S); | |
1444 | ||
6b63597d | 1445 | hr_dev->caps.sl_num = roce_get_field(req_b->qid_idx_sl_num, |
1446 | PF_RES_DATA_3_PF_SL_NUM_M, | |
1447 | PF_RES_DATA_3_PF_SL_NUM_S); | |
6a157f7d YL |
1448 | hr_dev->caps.sccc_bt_num = roce_get_field(req_b->sccc_bt_idx_num, |
1449 | PF_RES_DATA_4_PF_SCCC_BT_NUM_M, | |
1450 | PF_RES_DATA_4_PF_SCCC_BT_NUM_S); | |
6b63597d | 1451 | |
cfc85f3e WHX |
1452 | return 0; |
1453 | } | |
1454 | ||
0e40dc2f YL |
1455 | static int hns_roce_query_pf_timer_resource(struct hns_roce_dev *hr_dev) |
1456 | { | |
1457 | struct hns_roce_pf_timer_res_a *req_a; | |
441c88d5 LC |
1458 | struct hns_roce_cmq_desc desc; |
1459 | int ret; | |
0e40dc2f | 1460 | |
441c88d5 LC |
1461 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_QUERY_PF_TIMER_RES, |
1462 | true); | |
0e40dc2f | 1463 | |
441c88d5 | 1464 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); |
0e40dc2f YL |
1465 | if (ret) |
1466 | return ret; | |
1467 | ||
441c88d5 | 1468 | req_a = (struct hns_roce_pf_timer_res_a *)desc.data; |
0e40dc2f YL |
1469 | |
1470 | hr_dev->caps.qpc_timer_bt_num = | |
441c88d5 LC |
1471 | roce_get_field(req_a->qpc_timer_bt_idx_num, |
1472 | PF_RES_DATA_1_PF_QPC_TIMER_BT_NUM_M, | |
1473 | PF_RES_DATA_1_PF_QPC_TIMER_BT_NUM_S); | |
0e40dc2f | 1474 | hr_dev->caps.cqc_timer_bt_num = |
441c88d5 LC |
1475 | roce_get_field(req_a->cqc_timer_bt_idx_num, |
1476 | PF_RES_DATA_2_PF_CQC_TIMER_BT_NUM_M, | |
1477 | PF_RES_DATA_2_PF_CQC_TIMER_BT_NUM_S); | |
0e40dc2f YL |
1478 | |
1479 | return 0; | |
1480 | } | |
1481 | ||
60262b10 | 1482 | static int hns_roce_set_vf_switch_param(struct hns_roce_dev *hr_dev, int vf_id) |
0c1c3880 LO |
1483 | { |
1484 | struct hns_roce_cmq_desc desc; | |
1485 | struct hns_roce_vf_switch *swt; | |
1486 | int ret; | |
1487 | ||
1488 | swt = (struct hns_roce_vf_switch *)desc.data; | |
1489 | hns_roce_cmq_setup_basic_desc(&desc, HNS_SWITCH_PARAMETER_CFG, true); | |
bfe86035 | 1490 | swt->rocee_sel |= cpu_to_le32(HNS_ICL_SWITCH_CMD_ROCEE_SEL); |
60262b10 LO |
1491 | roce_set_field(swt->fun_id, VF_SWITCH_DATA_FUN_ID_VF_ID_M, |
1492 | VF_SWITCH_DATA_FUN_ID_VF_ID_S, vf_id); | |
0c1c3880 LO |
1493 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); |
1494 | if (ret) | |
1495 | return ret; | |
60262b10 | 1496 | |
0c1c3880 LO |
1497 | desc.flag = |
1498 | cpu_to_le16(HNS_ROCE_CMD_FLAG_NO_INTR | HNS_ROCE_CMD_FLAG_IN); | |
1499 | desc.flag &= cpu_to_le16(~HNS_ROCE_CMD_FLAG_WR); | |
1500 | roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_LPBK_S, 1); | |
d967e262 | 1501 | roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_LCL_LPBK_S, 0); |
0c1c3880 LO |
1502 | roce_set_bit(swt->cfg, VF_SWITCH_DATA_CFG_ALW_DST_OVRD_S, 1); |
1503 | ||
1504 | return hns_roce_cmq_send(hr_dev, &desc, 1); | |
1505 | } | |
1506 | ||
cfc85f3e WHX |
1507 | static int hns_roce_alloc_vf_resource(struct hns_roce_dev *hr_dev) |
1508 | { | |
1509 | struct hns_roce_cmq_desc desc[2]; | |
1510 | struct hns_roce_vf_res_a *req_a; | |
1511 | struct hns_roce_vf_res_b *req_b; | |
1512 | int i; | |
1513 | ||
1514 | req_a = (struct hns_roce_vf_res_a *)desc[0].data; | |
1515 | req_b = (struct hns_roce_vf_res_b *)desc[1].data; | |
cfc85f3e WHX |
1516 | for (i = 0; i < 2; i++) { |
1517 | hns_roce_cmq_setup_basic_desc(&desc[i], | |
1518 | HNS_ROCE_OPC_ALLOC_VF_RES, false); | |
1519 | ||
1520 | if (i == 0) | |
1521 | desc[i].flag |= cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
1522 | else | |
1523 | desc[i].flag &= ~cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
cfc85f3e WHX |
1524 | } |
1525 | ||
99e713f8 LO |
1526 | roce_set_field(req_a->vf_qpc_bt_idx_num, |
1527 | VF_RES_A_DATA_1_VF_QPC_BT_IDX_M, | |
1528 | VF_RES_A_DATA_1_VF_QPC_BT_IDX_S, 0); | |
1529 | roce_set_field(req_a->vf_qpc_bt_idx_num, | |
1530 | VF_RES_A_DATA_1_VF_QPC_BT_NUM_M, | |
1531 | VF_RES_A_DATA_1_VF_QPC_BT_NUM_S, HNS_ROCE_VF_QPC_BT_NUM); | |
1532 | ||
1533 | roce_set_field(req_a->vf_srqc_bt_idx_num, | |
1534 | VF_RES_A_DATA_2_VF_SRQC_BT_IDX_M, | |
1535 | VF_RES_A_DATA_2_VF_SRQC_BT_IDX_S, 0); | |
1536 | roce_set_field(req_a->vf_srqc_bt_idx_num, | |
1537 | VF_RES_A_DATA_2_VF_SRQC_BT_NUM_M, | |
1538 | VF_RES_A_DATA_2_VF_SRQC_BT_NUM_S, | |
1539 | HNS_ROCE_VF_SRQC_BT_NUM); | |
1540 | ||
1541 | roce_set_field(req_a->vf_cqc_bt_idx_num, | |
1542 | VF_RES_A_DATA_3_VF_CQC_BT_IDX_M, | |
1543 | VF_RES_A_DATA_3_VF_CQC_BT_IDX_S, 0); | |
1544 | roce_set_field(req_a->vf_cqc_bt_idx_num, | |
1545 | VF_RES_A_DATA_3_VF_CQC_BT_NUM_M, | |
1546 | VF_RES_A_DATA_3_VF_CQC_BT_NUM_S, HNS_ROCE_VF_CQC_BT_NUM); | |
1547 | ||
1548 | roce_set_field(req_a->vf_mpt_bt_idx_num, | |
1549 | VF_RES_A_DATA_4_VF_MPT_BT_IDX_M, | |
1550 | VF_RES_A_DATA_4_VF_MPT_BT_IDX_S, 0); | |
1551 | roce_set_field(req_a->vf_mpt_bt_idx_num, | |
1552 | VF_RES_A_DATA_4_VF_MPT_BT_NUM_M, | |
1553 | VF_RES_A_DATA_4_VF_MPT_BT_NUM_S, HNS_ROCE_VF_MPT_BT_NUM); | |
1554 | ||
1555 | roce_set_field(req_a->vf_eqc_bt_idx_num, VF_RES_A_DATA_5_VF_EQC_IDX_M, | |
1556 | VF_RES_A_DATA_5_VF_EQC_IDX_S, 0); | |
1557 | roce_set_field(req_a->vf_eqc_bt_idx_num, VF_RES_A_DATA_5_VF_EQC_NUM_M, | |
1558 | VF_RES_A_DATA_5_VF_EQC_NUM_S, HNS_ROCE_VF_EQC_NUM); | |
1559 | ||
1560 | roce_set_field(req_b->vf_smac_idx_num, VF_RES_B_DATA_1_VF_SMAC_IDX_M, | |
1561 | VF_RES_B_DATA_1_VF_SMAC_IDX_S, 0); | |
1562 | roce_set_field(req_b->vf_smac_idx_num, VF_RES_B_DATA_1_VF_SMAC_NUM_M, | |
1563 | VF_RES_B_DATA_1_VF_SMAC_NUM_S, HNS_ROCE_VF_SMAC_NUM); | |
1564 | ||
1565 | roce_set_field(req_b->vf_sgid_idx_num, VF_RES_B_DATA_2_VF_SGID_IDX_M, | |
1566 | VF_RES_B_DATA_2_VF_SGID_IDX_S, 0); | |
1567 | roce_set_field(req_b->vf_sgid_idx_num, VF_RES_B_DATA_2_VF_SGID_NUM_M, | |
1568 | VF_RES_B_DATA_2_VF_SGID_NUM_S, HNS_ROCE_VF_SGID_NUM); | |
1569 | ||
1570 | roce_set_field(req_b->vf_qid_idx_sl_num, VF_RES_B_DATA_3_VF_QID_IDX_M, | |
1571 | VF_RES_B_DATA_3_VF_QID_IDX_S, 0); | |
1572 | roce_set_field(req_b->vf_qid_idx_sl_num, VF_RES_B_DATA_3_VF_SL_NUM_M, | |
1573 | VF_RES_B_DATA_3_VF_SL_NUM_S, HNS_ROCE_VF_SL_NUM); | |
1574 | ||
1575 | roce_set_field(req_b->vf_sccc_idx_num, VF_RES_B_DATA_4_VF_SCCC_BT_IDX_M, | |
1576 | VF_RES_B_DATA_4_VF_SCCC_BT_IDX_S, 0); | |
1577 | roce_set_field(req_b->vf_sccc_idx_num, VF_RES_B_DATA_4_VF_SCCC_BT_NUM_M, | |
1578 | VF_RES_B_DATA_4_VF_SCCC_BT_NUM_S, | |
1579 | HNS_ROCE_VF_SCCC_BT_NUM); | |
1580 | ||
cfc85f3e WHX |
1581 | return hns_roce_cmq_send(hr_dev, desc, 2); |
1582 | } | |
1583 | ||
a81fba28 WHX |
1584 | static int hns_roce_v2_set_bt(struct hns_roce_dev *hr_dev) |
1585 | { | |
1586 | u8 srqc_hop_num = hr_dev->caps.srqc_hop_num; | |
1587 | u8 qpc_hop_num = hr_dev->caps.qpc_hop_num; | |
1588 | u8 cqc_hop_num = hr_dev->caps.cqc_hop_num; | |
1589 | u8 mpt_hop_num = hr_dev->caps.mpt_hop_num; | |
6a157f7d | 1590 | u8 sccc_hop_num = hr_dev->caps.sccc_hop_num; |
a81fba28 WHX |
1591 | struct hns_roce_cfg_bt_attr *req; |
1592 | struct hns_roce_cmq_desc desc; | |
1593 | ||
1594 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CFG_BT_ATTR, false); | |
1595 | req = (struct hns_roce_cfg_bt_attr *)desc.data; | |
1596 | memset(req, 0, sizeof(*req)); | |
1597 | ||
1598 | roce_set_field(req->vf_qpc_cfg, CFG_BT_ATTR_DATA_0_VF_QPC_BA_PGSZ_M, | |
1599 | CFG_BT_ATTR_DATA_0_VF_QPC_BA_PGSZ_S, | |
5e6e78db | 1600 | hr_dev->caps.qpc_ba_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1601 | roce_set_field(req->vf_qpc_cfg, CFG_BT_ATTR_DATA_0_VF_QPC_BUF_PGSZ_M, |
1602 | CFG_BT_ATTR_DATA_0_VF_QPC_BUF_PGSZ_S, | |
5e6e78db | 1603 | hr_dev->caps.qpc_buf_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1604 | roce_set_field(req->vf_qpc_cfg, CFG_BT_ATTR_DATA_0_VF_QPC_HOPNUM_M, |
1605 | CFG_BT_ATTR_DATA_0_VF_QPC_HOPNUM_S, | |
1606 | qpc_hop_num == HNS_ROCE_HOP_NUM_0 ? 0 : qpc_hop_num); | |
1607 | ||
1608 | roce_set_field(req->vf_srqc_cfg, CFG_BT_ATTR_DATA_1_VF_SRQC_BA_PGSZ_M, | |
1609 | CFG_BT_ATTR_DATA_1_VF_SRQC_BA_PGSZ_S, | |
5e6e78db | 1610 | hr_dev->caps.srqc_ba_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1611 | roce_set_field(req->vf_srqc_cfg, CFG_BT_ATTR_DATA_1_VF_SRQC_BUF_PGSZ_M, |
1612 | CFG_BT_ATTR_DATA_1_VF_SRQC_BUF_PGSZ_S, | |
5e6e78db | 1613 | hr_dev->caps.srqc_buf_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1614 | roce_set_field(req->vf_srqc_cfg, CFG_BT_ATTR_DATA_1_VF_SRQC_HOPNUM_M, |
1615 | CFG_BT_ATTR_DATA_1_VF_SRQC_HOPNUM_S, | |
1616 | srqc_hop_num == HNS_ROCE_HOP_NUM_0 ? 0 : srqc_hop_num); | |
1617 | ||
1618 | roce_set_field(req->vf_cqc_cfg, CFG_BT_ATTR_DATA_2_VF_CQC_BA_PGSZ_M, | |
1619 | CFG_BT_ATTR_DATA_2_VF_CQC_BA_PGSZ_S, | |
5e6e78db | 1620 | hr_dev->caps.cqc_ba_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1621 | roce_set_field(req->vf_cqc_cfg, CFG_BT_ATTR_DATA_2_VF_CQC_BUF_PGSZ_M, |
1622 | CFG_BT_ATTR_DATA_2_VF_CQC_BUF_PGSZ_S, | |
5e6e78db | 1623 | hr_dev->caps.cqc_buf_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1624 | roce_set_field(req->vf_cqc_cfg, CFG_BT_ATTR_DATA_2_VF_CQC_HOPNUM_M, |
1625 | CFG_BT_ATTR_DATA_2_VF_CQC_HOPNUM_S, | |
1626 | cqc_hop_num == HNS_ROCE_HOP_NUM_0 ? 0 : cqc_hop_num); | |
1627 | ||
1628 | roce_set_field(req->vf_mpt_cfg, CFG_BT_ATTR_DATA_3_VF_MPT_BA_PGSZ_M, | |
1629 | CFG_BT_ATTR_DATA_3_VF_MPT_BA_PGSZ_S, | |
5e6e78db | 1630 | hr_dev->caps.mpt_ba_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1631 | roce_set_field(req->vf_mpt_cfg, CFG_BT_ATTR_DATA_3_VF_MPT_BUF_PGSZ_M, |
1632 | CFG_BT_ATTR_DATA_3_VF_MPT_BUF_PGSZ_S, | |
5e6e78db | 1633 | hr_dev->caps.mpt_buf_pg_sz + PG_SHIFT_OFFSET); |
a81fba28 WHX |
1634 | roce_set_field(req->vf_mpt_cfg, CFG_BT_ATTR_DATA_3_VF_MPT_HOPNUM_M, |
1635 | CFG_BT_ATTR_DATA_3_VF_MPT_HOPNUM_S, | |
1636 | mpt_hop_num == HNS_ROCE_HOP_NUM_0 ? 0 : mpt_hop_num); | |
1637 | ||
6a157f7d YL |
1638 | roce_set_field(req->vf_sccc_cfg, |
1639 | CFG_BT_ATTR_DATA_4_VF_SCCC_BA_PGSZ_M, | |
1640 | CFG_BT_ATTR_DATA_4_VF_SCCC_BA_PGSZ_S, | |
1641 | hr_dev->caps.sccc_ba_pg_sz + PG_SHIFT_OFFSET); | |
1642 | roce_set_field(req->vf_sccc_cfg, | |
1643 | CFG_BT_ATTR_DATA_4_VF_SCCC_BUF_PGSZ_M, | |
1644 | CFG_BT_ATTR_DATA_4_VF_SCCC_BUF_PGSZ_S, | |
1645 | hr_dev->caps.sccc_buf_pg_sz + PG_SHIFT_OFFSET); | |
1646 | roce_set_field(req->vf_sccc_cfg, | |
1647 | CFG_BT_ATTR_DATA_4_VF_SCCC_HOPNUM_M, | |
1648 | CFG_BT_ATTR_DATA_4_VF_SCCC_HOPNUM_S, | |
1649 | sccc_hop_num == | |
1650 | HNS_ROCE_HOP_NUM_0 ? 0 : sccc_hop_num); | |
1651 | ||
a81fba28 WHX |
1652 | return hns_roce_cmq_send(hr_dev, &desc, 1); |
1653 | } | |
1654 | ||
ba6bb7e9 LO |
1655 | static void set_default_caps(struct hns_roce_dev *hr_dev) |
1656 | { | |
1657 | struct hns_roce_caps *caps = &hr_dev->caps; | |
1658 | ||
1659 | caps->num_qps = HNS_ROCE_V2_MAX_QP_NUM; | |
1660 | caps->max_wqes = HNS_ROCE_V2_MAX_WQE_NUM; | |
1661 | caps->num_cqs = HNS_ROCE_V2_MAX_CQ_NUM; | |
1662 | caps->num_srqs = HNS_ROCE_V2_MAX_SRQ_NUM; | |
1663 | caps->min_cqes = HNS_ROCE_MIN_CQE_NUM; | |
1664 | caps->max_cqes = HNS_ROCE_V2_MAX_CQE_NUM; | |
1665 | caps->max_sq_sg = HNS_ROCE_V2_MAX_SQ_SGE_NUM; | |
1666 | caps->max_extend_sg = HNS_ROCE_V2_MAX_EXTEND_SGE_NUM; | |
1667 | caps->max_rq_sg = HNS_ROCE_V2_MAX_RQ_SGE_NUM; | |
1668 | caps->max_sq_inline = HNS_ROCE_V2_MAX_SQ_INLINE; | |
1669 | caps->num_uars = HNS_ROCE_V2_UAR_NUM; | |
1670 | caps->phy_num_uars = HNS_ROCE_V2_PHY_UAR_NUM; | |
1671 | caps->num_aeq_vectors = HNS_ROCE_V2_AEQE_VEC_NUM; | |
1672 | caps->num_comp_vectors = HNS_ROCE_V2_COMP_VEC_NUM; | |
1673 | caps->num_other_vectors = HNS_ROCE_V2_ABNORMAL_VEC_NUM; | |
1674 | caps->num_mtpts = HNS_ROCE_V2_MAX_MTPT_NUM; | |
1675 | caps->num_mtt_segs = HNS_ROCE_V2_MAX_MTT_SEGS; | |
1676 | caps->num_cqe_segs = HNS_ROCE_V2_MAX_CQE_SEGS; | |
1677 | caps->num_srqwqe_segs = HNS_ROCE_V2_MAX_SRQWQE_SEGS; | |
1678 | caps->num_idx_segs = HNS_ROCE_V2_MAX_IDX_SEGS; | |
1679 | caps->num_pds = HNS_ROCE_V2_MAX_PD_NUM; | |
1680 | caps->max_qp_init_rdma = HNS_ROCE_V2_MAX_QP_INIT_RDMA; | |
1681 | caps->max_qp_dest_rdma = HNS_ROCE_V2_MAX_QP_DEST_RDMA; | |
1682 | caps->max_sq_desc_sz = HNS_ROCE_V2_MAX_SQ_DESC_SZ; | |
1683 | caps->max_rq_desc_sz = HNS_ROCE_V2_MAX_RQ_DESC_SZ; | |
1684 | caps->max_srq_desc_sz = HNS_ROCE_V2_MAX_SRQ_DESC_SZ; | |
1685 | caps->qpc_entry_sz = HNS_ROCE_V2_QPC_ENTRY_SZ; | |
1686 | caps->irrl_entry_sz = HNS_ROCE_V2_IRRL_ENTRY_SZ; | |
7db82697 | 1687 | caps->trrl_entry_sz = HNS_ROCE_V2_EXT_ATOMIC_TRRL_ENTRY_SZ; |
ba6bb7e9 LO |
1688 | caps->cqc_entry_sz = HNS_ROCE_V2_CQC_ENTRY_SZ; |
1689 | caps->srqc_entry_sz = HNS_ROCE_V2_SRQC_ENTRY_SZ; | |
1690 | caps->mtpt_entry_sz = HNS_ROCE_V2_MTPT_ENTRY_SZ; | |
1691 | caps->mtt_entry_sz = HNS_ROCE_V2_MTT_ENTRY_SZ; | |
1692 | caps->idx_entry_sz = HNS_ROCE_V2_IDX_ENTRY_SZ; | |
1693 | caps->cq_entry_sz = HNS_ROCE_V2_CQE_ENTRY_SIZE; | |
1694 | caps->page_size_cap = HNS_ROCE_V2_PAGE_SIZE_SUPPORTED; | |
1695 | caps->reserved_lkey = 0; | |
1696 | caps->reserved_pds = 0; | |
1697 | caps->reserved_mrws = 1; | |
1698 | caps->reserved_uars = 0; | |
1699 | caps->reserved_cqs = 0; | |
1700 | caps->reserved_srqs = 0; | |
1701 | caps->reserved_qps = HNS_ROCE_V2_RSV_QPS; | |
1702 | ||
1703 | caps->qpc_ba_pg_sz = 0; | |
1704 | caps->qpc_buf_pg_sz = 0; | |
1705 | caps->qpc_hop_num = HNS_ROCE_CONTEXT_HOP_NUM; | |
1706 | caps->srqc_ba_pg_sz = 0; | |
1707 | caps->srqc_buf_pg_sz = 0; | |
1708 | caps->srqc_hop_num = HNS_ROCE_CONTEXT_HOP_NUM; | |
1709 | caps->cqc_ba_pg_sz = 0; | |
1710 | caps->cqc_buf_pg_sz = 0; | |
1711 | caps->cqc_hop_num = HNS_ROCE_CONTEXT_HOP_NUM; | |
1712 | caps->mpt_ba_pg_sz = 0; | |
1713 | caps->mpt_buf_pg_sz = 0; | |
1714 | caps->mpt_hop_num = HNS_ROCE_CONTEXT_HOP_NUM; | |
1715 | caps->mtt_ba_pg_sz = 0; | |
1716 | caps->mtt_buf_pg_sz = 0; | |
1717 | caps->mtt_hop_num = HNS_ROCE_MTT_HOP_NUM; | |
1718 | caps->wqe_sq_hop_num = HNS_ROCE_SQWQE_HOP_NUM; | |
1719 | caps->wqe_sge_hop_num = HNS_ROCE_EXT_SGE_HOP_NUM; | |
1720 | caps->wqe_rq_hop_num = HNS_ROCE_RQWQE_HOP_NUM; | |
1721 | caps->cqe_ba_pg_sz = HNS_ROCE_BA_PG_SZ_SUPPORTED_256K; | |
1722 | caps->cqe_buf_pg_sz = 0; | |
1723 | caps->cqe_hop_num = HNS_ROCE_CQE_HOP_NUM; | |
1724 | caps->srqwqe_ba_pg_sz = 0; | |
1725 | caps->srqwqe_buf_pg_sz = 0; | |
1726 | caps->srqwqe_hop_num = HNS_ROCE_SRQWQE_HOP_NUM; | |
1727 | caps->idx_ba_pg_sz = 0; | |
1728 | caps->idx_buf_pg_sz = 0; | |
1729 | caps->idx_hop_num = HNS_ROCE_IDX_HOP_NUM; | |
1730 | caps->chunk_sz = HNS_ROCE_V2_TABLE_CHUNK_SIZE; | |
1731 | ||
1732 | caps->flags = HNS_ROCE_CAP_FLAG_REREG_MR | | |
1733 | HNS_ROCE_CAP_FLAG_ROCE_V1_V2 | | |
1734 | HNS_ROCE_CAP_FLAG_RQ_INLINE | | |
1735 | HNS_ROCE_CAP_FLAG_RECORD_DB | | |
1736 | HNS_ROCE_CAP_FLAG_SQ_RECORD_DB; | |
1737 | ||
1738 | caps->pkey_table_len[0] = 1; | |
1739 | caps->gid_table_len[0] = HNS_ROCE_V2_GID_INDEX_NUM; | |
1740 | caps->ceqe_depth = HNS_ROCE_V2_COMP_EQE_NUM; | |
1741 | caps->aeqe_depth = HNS_ROCE_V2_ASYNC_EQE_NUM; | |
1742 | caps->local_ca_ack_delay = 0; | |
1743 | caps->max_mtu = IB_MTU_4096; | |
1744 | ||
1745 | caps->max_srq_wrs = HNS_ROCE_V2_MAX_SRQ_WR; | |
1746 | caps->max_srq_sges = HNS_ROCE_V2_MAX_SRQ_SGE; | |
1747 | ||
a247fd28 LC |
1748 | caps->flags |= HNS_ROCE_CAP_FLAG_ATOMIC | HNS_ROCE_CAP_FLAG_MW | |
1749 | HNS_ROCE_CAP_FLAG_SRQ | HNS_ROCE_CAP_FLAG_FRMR | | |
1750 | HNS_ROCE_CAP_FLAG_QP_FLOW_CTRL; | |
1751 | ||
1752 | caps->num_qpc_timer = HNS_ROCE_V2_MAX_QPC_TIMER_NUM; | |
1753 | caps->qpc_timer_entry_sz = HNS_ROCE_V2_QPC_TIMER_ENTRY_SZ; | |
1754 | caps->qpc_timer_ba_pg_sz = 0; | |
1755 | caps->qpc_timer_buf_pg_sz = 0; | |
1756 | caps->qpc_timer_hop_num = HNS_ROCE_HOP_NUM_0; | |
1757 | caps->num_cqc_timer = HNS_ROCE_V2_MAX_CQC_TIMER_NUM; | |
1758 | caps->cqc_timer_entry_sz = HNS_ROCE_V2_CQC_TIMER_ENTRY_SZ; | |
1759 | caps->cqc_timer_ba_pg_sz = 0; | |
1760 | caps->cqc_timer_buf_pg_sz = 0; | |
1761 | caps->cqc_timer_hop_num = HNS_ROCE_HOP_NUM_0; | |
1762 | ||
1763 | caps->sccc_entry_sz = HNS_ROCE_V2_SCCC_ENTRY_SZ; | |
1764 | caps->sccc_ba_pg_sz = 0; | |
1765 | caps->sccc_buf_pg_sz = 0; | |
1766 | caps->sccc_hop_num = HNS_ROCE_SCCC_HOP_NUM; | |
ba6bb7e9 LO |
1767 | } |
1768 | ||
1769 | static void calc_pg_sz(int obj_num, int obj_size, int hop_num, int ctx_bt_num, | |
1770 | int *buf_page_size, int *bt_page_size, u32 hem_type) | |
1771 | { | |
1772 | u64 obj_per_chunk; | |
1773 | int bt_chunk_size = 1 << PAGE_SHIFT; | |
1774 | int buf_chunk_size = 1 << PAGE_SHIFT; | |
1775 | int obj_per_chunk_default = buf_chunk_size / obj_size; | |
1776 | ||
1777 | *buf_page_size = 0; | |
1778 | *bt_page_size = 0; | |
1779 | ||
1780 | switch (hop_num) { | |
1781 | case 3: | |
1782 | obj_per_chunk = ctx_bt_num * (bt_chunk_size / BA_BYTE_LEN) * | |
1783 | (bt_chunk_size / BA_BYTE_LEN) * | |
1784 | (bt_chunk_size / BA_BYTE_LEN) * | |
1785 | obj_per_chunk_default; | |
1786 | break; | |
1787 | case 2: | |
1788 | obj_per_chunk = ctx_bt_num * (bt_chunk_size / BA_BYTE_LEN) * | |
1789 | (bt_chunk_size / BA_BYTE_LEN) * | |
1790 | obj_per_chunk_default; | |
1791 | break; | |
1792 | case 1: | |
1793 | obj_per_chunk = ctx_bt_num * (bt_chunk_size / BA_BYTE_LEN) * | |
1794 | obj_per_chunk_default; | |
1795 | break; | |
1796 | case HNS_ROCE_HOP_NUM_0: | |
1797 | obj_per_chunk = ctx_bt_num * obj_per_chunk_default; | |
1798 | break; | |
1799 | default: | |
1800 | pr_err("Table %d not support hop_num = %d!\n", hem_type, | |
1801 | hop_num); | |
1802 | return; | |
1803 | } | |
1804 | ||
1805 | if (hem_type >= HEM_TYPE_MTT) | |
1806 | *bt_page_size = ilog2(DIV_ROUND_UP(obj_num, obj_per_chunk)); | |
1807 | else | |
1808 | *buf_page_size = ilog2(DIV_ROUND_UP(obj_num, obj_per_chunk)); | |
1809 | } | |
1810 | ||
1811 | static int hns_roce_query_pf_caps(struct hns_roce_dev *hr_dev) | |
1812 | { | |
1813 | struct hns_roce_cmq_desc desc[HNS_ROCE_QUERY_PF_CAPS_CMD_NUM]; | |
1814 | struct hns_roce_caps *caps = &hr_dev->caps; | |
1815 | struct hns_roce_query_pf_caps_a *resp_a; | |
1816 | struct hns_roce_query_pf_caps_b *resp_b; | |
1817 | struct hns_roce_query_pf_caps_c *resp_c; | |
1818 | struct hns_roce_query_pf_caps_d *resp_d; | |
1819 | struct hns_roce_query_pf_caps_e *resp_e; | |
1820 | int ctx_hop_num; | |
1821 | int pbl_hop_num; | |
1822 | int ret; | |
1823 | int i; | |
1824 | ||
1825 | for (i = 0; i < HNS_ROCE_QUERY_PF_CAPS_CMD_NUM; i++) { | |
1826 | hns_roce_cmq_setup_basic_desc(&desc[i], | |
1827 | HNS_ROCE_OPC_QUERY_PF_CAPS_NUM, | |
1828 | true); | |
1829 | if (i < (HNS_ROCE_QUERY_PF_CAPS_CMD_NUM - 1)) | |
1830 | desc[i].flag |= cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
1831 | else | |
1832 | desc[i].flag &= ~cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
1833 | } | |
1834 | ||
1835 | ret = hns_roce_cmq_send(hr_dev, desc, HNS_ROCE_QUERY_PF_CAPS_CMD_NUM); | |
1836 | if (ret) | |
1837 | return ret; | |
1838 | ||
1839 | resp_a = (struct hns_roce_query_pf_caps_a *)desc[0].data; | |
1840 | resp_b = (struct hns_roce_query_pf_caps_b *)desc[1].data; | |
1841 | resp_c = (struct hns_roce_query_pf_caps_c *)desc[2].data; | |
1842 | resp_d = (struct hns_roce_query_pf_caps_d *)desc[3].data; | |
1843 | resp_e = (struct hns_roce_query_pf_caps_e *)desc[4].data; | |
1844 | ||
1845 | caps->local_ca_ack_delay = resp_a->local_ca_ack_delay; | |
1846 | caps->max_sq_sg = le16_to_cpu(resp_a->max_sq_sg); | |
1847 | caps->max_sq_inline = le16_to_cpu(resp_a->max_sq_inline); | |
1848 | caps->max_rq_sg = le16_to_cpu(resp_a->max_rq_sg); | |
1849 | caps->max_extend_sg = le32_to_cpu(resp_a->max_extend_sg); | |
1850 | caps->num_qpc_timer = le16_to_cpu(resp_a->num_qpc_timer); | |
1851 | caps->num_cqc_timer = le16_to_cpu(resp_a->num_cqc_timer); | |
1852 | caps->max_srq_sges = le16_to_cpu(resp_a->max_srq_sges); | |
1853 | caps->num_aeq_vectors = resp_a->num_aeq_vectors; | |
1854 | caps->num_other_vectors = resp_a->num_other_vectors; | |
1855 | caps->max_sq_desc_sz = resp_a->max_sq_desc_sz; | |
1856 | caps->max_rq_desc_sz = resp_a->max_rq_desc_sz; | |
1857 | caps->max_srq_desc_sz = resp_a->max_srq_desc_sz; | |
1858 | caps->cq_entry_sz = resp_a->cq_entry_sz; | |
1859 | ||
1860 | caps->mtpt_entry_sz = resp_b->mtpt_entry_sz; | |
1861 | caps->irrl_entry_sz = resp_b->irrl_entry_sz; | |
1862 | caps->trrl_entry_sz = resp_b->trrl_entry_sz; | |
1863 | caps->cqc_entry_sz = resp_b->cqc_entry_sz; | |
1864 | caps->srqc_entry_sz = resp_b->srqc_entry_sz; | |
1865 | caps->idx_entry_sz = resp_b->idx_entry_sz; | |
1866 | caps->sccc_entry_sz = resp_b->scc_ctx_entry_sz; | |
1867 | caps->max_mtu = resp_b->max_mtu; | |
1868 | caps->qpc_entry_sz = le16_to_cpu(resp_b->qpc_entry_sz); | |
1869 | caps->min_cqes = resp_b->min_cqes; | |
1870 | caps->min_wqes = resp_b->min_wqes; | |
1871 | caps->page_size_cap = le32_to_cpu(resp_b->page_size_cap); | |
1872 | caps->pkey_table_len[0] = resp_b->pkey_table_len; | |
1873 | caps->phy_num_uars = resp_b->phy_num_uars; | |
1874 | ctx_hop_num = resp_b->ctx_hop_num; | |
1875 | pbl_hop_num = resp_b->pbl_hop_num; | |
1876 | ||
1877 | caps->num_pds = 1 << roce_get_field(resp_c->cap_flags_num_pds, | |
1878 | V2_QUERY_PF_CAPS_C_NUM_PDS_M, | |
1879 | V2_QUERY_PF_CAPS_C_NUM_PDS_S); | |
1880 | caps->flags = roce_get_field(resp_c->cap_flags_num_pds, | |
1881 | V2_QUERY_PF_CAPS_C_CAP_FLAGS_M, | |
1882 | V2_QUERY_PF_CAPS_C_CAP_FLAGS_S); | |
30661322 WL |
1883 | caps->flags |= le16_to_cpu(resp_d->cap_flags_ex) << |
1884 | HNS_ROCE_CAP_FLAGS_EX_SHIFT; | |
1885 | ||
ba6bb7e9 LO |
1886 | caps->num_cqs = 1 << roce_get_field(resp_c->max_gid_num_cqs, |
1887 | V2_QUERY_PF_CAPS_C_NUM_CQS_M, | |
1888 | V2_QUERY_PF_CAPS_C_NUM_CQS_S); | |
1889 | caps->gid_table_len[0] = roce_get_field(resp_c->max_gid_num_cqs, | |
1890 | V2_QUERY_PF_CAPS_C_MAX_GID_M, | |
1891 | V2_QUERY_PF_CAPS_C_MAX_GID_S); | |
1892 | caps->max_cqes = 1 << roce_get_field(resp_c->cq_depth, | |
1893 | V2_QUERY_PF_CAPS_C_CQ_DEPTH_M, | |
1894 | V2_QUERY_PF_CAPS_C_CQ_DEPTH_S); | |
1895 | caps->num_mtpts = 1 << roce_get_field(resp_c->num_mrws, | |
1896 | V2_QUERY_PF_CAPS_C_NUM_MRWS_M, | |
1897 | V2_QUERY_PF_CAPS_C_NUM_MRWS_S); | |
1898 | caps->num_qps = 1 << roce_get_field(resp_c->ord_num_qps, | |
1899 | V2_QUERY_PF_CAPS_C_NUM_QPS_M, | |
1900 | V2_QUERY_PF_CAPS_C_NUM_QPS_S); | |
1901 | caps->max_qp_init_rdma = roce_get_field(resp_c->ord_num_qps, | |
1902 | V2_QUERY_PF_CAPS_C_MAX_ORD_M, | |
1903 | V2_QUERY_PF_CAPS_C_MAX_ORD_S); | |
1904 | caps->max_qp_dest_rdma = caps->max_qp_init_rdma; | |
1905 | caps->max_wqes = 1 << le16_to_cpu(resp_c->sq_depth); | |
1906 | caps->num_srqs = 1 << roce_get_field(resp_d->wq_hop_num_max_srqs, | |
1907 | V2_QUERY_PF_CAPS_D_NUM_SRQS_M, | |
1908 | V2_QUERY_PF_CAPS_D_NUM_SRQS_S); | |
1909 | caps->max_srq_wrs = 1 << le16_to_cpu(resp_d->srq_depth); | |
1910 | caps->ceqe_depth = 1 << roce_get_field(resp_d->num_ceqs_ceq_depth, | |
1911 | V2_QUERY_PF_CAPS_D_CEQ_DEPTH_M, | |
1912 | V2_QUERY_PF_CAPS_D_CEQ_DEPTH_S); | |
1913 | caps->num_comp_vectors = roce_get_field(resp_d->num_ceqs_ceq_depth, | |
1914 | V2_QUERY_PF_CAPS_D_NUM_CEQS_M, | |
1915 | V2_QUERY_PF_CAPS_D_NUM_CEQS_S); | |
1916 | caps->aeqe_depth = 1 << roce_get_field(resp_d->arm_st_aeq_depth, | |
1917 | V2_QUERY_PF_CAPS_D_AEQ_DEPTH_M, | |
1918 | V2_QUERY_PF_CAPS_D_AEQ_DEPTH_S); | |
1919 | caps->default_aeq_arm_st = roce_get_field(resp_d->arm_st_aeq_depth, | |
1920 | V2_QUERY_PF_CAPS_D_AEQ_ARM_ST_M, | |
1921 | V2_QUERY_PF_CAPS_D_AEQ_ARM_ST_S); | |
1922 | caps->default_ceq_arm_st = roce_get_field(resp_d->arm_st_aeq_depth, | |
1923 | V2_QUERY_PF_CAPS_D_CEQ_ARM_ST_M, | |
1924 | V2_QUERY_PF_CAPS_D_CEQ_ARM_ST_S); | |
1925 | caps->reserved_pds = roce_get_field(resp_d->num_uars_rsv_pds, | |
1926 | V2_QUERY_PF_CAPS_D_RSV_PDS_M, | |
1927 | V2_QUERY_PF_CAPS_D_RSV_PDS_S); | |
1928 | caps->num_uars = 1 << roce_get_field(resp_d->num_uars_rsv_pds, | |
1929 | V2_QUERY_PF_CAPS_D_NUM_UARS_M, | |
1930 | V2_QUERY_PF_CAPS_D_NUM_UARS_S); | |
1931 | caps->reserved_qps = roce_get_field(resp_d->rsv_uars_rsv_qps, | |
1932 | V2_QUERY_PF_CAPS_D_RSV_QPS_M, | |
1933 | V2_QUERY_PF_CAPS_D_RSV_QPS_S); | |
1934 | caps->reserved_uars = roce_get_field(resp_d->rsv_uars_rsv_qps, | |
1935 | V2_QUERY_PF_CAPS_D_RSV_UARS_M, | |
1936 | V2_QUERY_PF_CAPS_D_RSV_UARS_S); | |
1937 | caps->reserved_mrws = roce_get_field(resp_e->chunk_size_shift_rsv_mrws, | |
1938 | V2_QUERY_PF_CAPS_E_RSV_MRWS_M, | |
1939 | V2_QUERY_PF_CAPS_E_RSV_MRWS_S); | |
1940 | caps->chunk_sz = 1 << roce_get_field(resp_e->chunk_size_shift_rsv_mrws, | |
1941 | V2_QUERY_PF_CAPS_E_CHUNK_SIZE_SHIFT_M, | |
1942 | V2_QUERY_PF_CAPS_E_CHUNK_SIZE_SHIFT_S); | |
1943 | caps->reserved_cqs = roce_get_field(resp_e->rsv_cqs, | |
1944 | V2_QUERY_PF_CAPS_E_RSV_CQS_M, | |
1945 | V2_QUERY_PF_CAPS_E_RSV_CQS_S); | |
1946 | caps->reserved_srqs = roce_get_field(resp_e->rsv_srqs, | |
1947 | V2_QUERY_PF_CAPS_E_RSV_SRQS_M, | |
1948 | V2_QUERY_PF_CAPS_E_RSV_SRQS_S); | |
1949 | caps->reserved_lkey = roce_get_field(resp_e->rsv_lkey, | |
1950 | V2_QUERY_PF_CAPS_E_RSV_LKEYS_M, | |
1951 | V2_QUERY_PF_CAPS_E_RSV_LKEYS_S); | |
1952 | caps->default_ceq_max_cnt = le16_to_cpu(resp_e->ceq_max_cnt); | |
1953 | caps->default_ceq_period = le16_to_cpu(resp_e->ceq_period); | |
1954 | caps->default_aeq_max_cnt = le16_to_cpu(resp_e->aeq_max_cnt); | |
1955 | caps->default_aeq_period = le16_to_cpu(resp_e->aeq_period); | |
1956 | ||
1957 | caps->qpc_timer_entry_sz = HNS_ROCE_V2_QPC_TIMER_ENTRY_SZ; | |
1958 | caps->cqc_timer_entry_sz = HNS_ROCE_V2_CQC_TIMER_ENTRY_SZ; | |
1959 | caps->mtt_entry_sz = HNS_ROCE_V2_MTT_ENTRY_SZ; | |
1960 | caps->num_mtt_segs = HNS_ROCE_V2_MAX_MTT_SEGS; | |
1961 | caps->mtt_ba_pg_sz = 0; | |
1962 | caps->num_cqe_segs = HNS_ROCE_V2_MAX_CQE_SEGS; | |
1963 | caps->num_srqwqe_segs = HNS_ROCE_V2_MAX_SRQWQE_SEGS; | |
1964 | caps->num_idx_segs = HNS_ROCE_V2_MAX_IDX_SEGS; | |
1965 | ||
1966 | caps->qpc_hop_num = ctx_hop_num; | |
1967 | caps->srqc_hop_num = ctx_hop_num; | |
1968 | caps->cqc_hop_num = ctx_hop_num; | |
1969 | caps->mpt_hop_num = ctx_hop_num; | |
1970 | caps->mtt_hop_num = pbl_hop_num; | |
1971 | caps->cqe_hop_num = pbl_hop_num; | |
1972 | caps->srqwqe_hop_num = pbl_hop_num; | |
1973 | caps->idx_hop_num = pbl_hop_num; | |
1974 | caps->wqe_sq_hop_num = roce_get_field(resp_d->wq_hop_num_max_srqs, | |
1975 | V2_QUERY_PF_CAPS_D_SQWQE_HOP_NUM_M, | |
1976 | V2_QUERY_PF_CAPS_D_SQWQE_HOP_NUM_S); | |
1977 | caps->wqe_sge_hop_num = roce_get_field(resp_d->wq_hop_num_max_srqs, | |
1978 | V2_QUERY_PF_CAPS_D_EX_SGE_HOP_NUM_M, | |
1979 | V2_QUERY_PF_CAPS_D_EX_SGE_HOP_NUM_S); | |
1980 | caps->wqe_rq_hop_num = roce_get_field(resp_d->wq_hop_num_max_srqs, | |
1981 | V2_QUERY_PF_CAPS_D_RQWQE_HOP_NUM_M, | |
1982 | V2_QUERY_PF_CAPS_D_RQWQE_HOP_NUM_S); | |
1983 | ||
1984 | calc_pg_sz(caps->num_qps, caps->qpc_entry_sz, caps->qpc_hop_num, | |
1985 | caps->qpc_bt_num, &caps->qpc_buf_pg_sz, &caps->qpc_ba_pg_sz, | |
1986 | HEM_TYPE_QPC); | |
1987 | calc_pg_sz(caps->num_mtpts, caps->mtpt_entry_sz, caps->mpt_hop_num, | |
1988 | caps->mpt_bt_num, &caps->mpt_buf_pg_sz, &caps->mpt_ba_pg_sz, | |
1989 | HEM_TYPE_MTPT); | |
1990 | calc_pg_sz(caps->num_cqs, caps->cqc_entry_sz, caps->cqc_hop_num, | |
1991 | caps->cqc_bt_num, &caps->cqc_buf_pg_sz, &caps->cqc_ba_pg_sz, | |
1992 | HEM_TYPE_CQC); | |
1993 | calc_pg_sz(caps->num_srqs, caps->srqc_entry_sz, caps->srqc_hop_num, | |
1994 | caps->srqc_bt_num, &caps->srqc_buf_pg_sz, | |
1995 | &caps->srqc_ba_pg_sz, HEM_TYPE_SRQC); | |
1996 | ||
a247fd28 LC |
1997 | caps->sccc_hop_num = ctx_hop_num; |
1998 | caps->qpc_timer_hop_num = HNS_ROCE_HOP_NUM_0; | |
1999 | caps->cqc_timer_hop_num = HNS_ROCE_HOP_NUM_0; | |
2000 | ||
2001 | calc_pg_sz(caps->num_qps, caps->sccc_entry_sz, | |
2002 | caps->sccc_hop_num, caps->sccc_bt_num, | |
2003 | &caps->sccc_buf_pg_sz, &caps->sccc_ba_pg_sz, | |
2004 | HEM_TYPE_SCCC); | |
2005 | calc_pg_sz(caps->num_cqc_timer, caps->cqc_timer_entry_sz, | |
2006 | caps->cqc_timer_hop_num, caps->cqc_timer_bt_num, | |
2007 | &caps->cqc_timer_buf_pg_sz, | |
2008 | &caps->cqc_timer_ba_pg_sz, HEM_TYPE_CQC_TIMER); | |
ba6bb7e9 LO |
2009 | |
2010 | calc_pg_sz(caps->num_cqe_segs, caps->mtt_entry_sz, caps->cqe_hop_num, | |
2011 | 1, &caps->cqe_buf_pg_sz, &caps->cqe_ba_pg_sz, HEM_TYPE_CQE); | |
2012 | calc_pg_sz(caps->num_srqwqe_segs, caps->mtt_entry_sz, | |
2013 | caps->srqwqe_hop_num, 1, &caps->srqwqe_buf_pg_sz, | |
2014 | &caps->srqwqe_ba_pg_sz, HEM_TYPE_SRQWQE); | |
2015 | calc_pg_sz(caps->num_idx_segs, caps->idx_entry_sz, caps->idx_hop_num, | |
2016 | 1, &caps->idx_buf_pg_sz, &caps->idx_ba_pg_sz, HEM_TYPE_IDX); | |
2017 | ||
2018 | return 0; | |
2019 | } | |
2020 | ||
cfc85f3e WHX |
2021 | static int hns_roce_v2_profile(struct hns_roce_dev *hr_dev) |
2022 | { | |
2023 | struct hns_roce_caps *caps = &hr_dev->caps; | |
2024 | int ret; | |
2025 | ||
2026 | ret = hns_roce_cmq_query_hw_info(hr_dev); | |
3a63c964 LO |
2027 | if (ret) { |
2028 | dev_err(hr_dev->dev, "Query hardware version fail, ret = %d.\n", | |
2029 | ret); | |
2030 | return ret; | |
2031 | } | |
2032 | ||
2033 | ret = hns_roce_query_fw_ver(hr_dev); | |
cfc85f3e WHX |
2034 | if (ret) { |
2035 | dev_err(hr_dev->dev, "Query firmware version fail, ret = %d.\n", | |
2036 | ret); | |
2037 | return ret; | |
2038 | } | |
2039 | ||
2040 | ret = hns_roce_config_global_param(hr_dev); | |
2041 | if (ret) { | |
2042 | dev_err(hr_dev->dev, "Configure global param fail, ret = %d.\n", | |
2043 | ret); | |
2349fdd4 | 2044 | return ret; |
cfc85f3e WHX |
2045 | } |
2046 | ||
2047 | /* Get pf resource owned by every pf */ | |
2048 | ret = hns_roce_query_pf_resource(hr_dev); | |
2049 | if (ret) { | |
2050 | dev_err(hr_dev->dev, "Query pf resource fail, ret = %d.\n", | |
2051 | ret); | |
2052 | return ret; | |
2053 | } | |
2054 | ||
a247fd28 LC |
2055 | ret = hns_roce_query_pf_timer_resource(hr_dev); |
2056 | if (ret) { | |
2057 | dev_err(hr_dev->dev, | |
2058 | "failed to query pf timer resource, ret = %d.\n", ret); | |
2059 | return ret; | |
2060 | } | |
cfc85f3e | 2061 | |
a247fd28 LC |
2062 | ret = hns_roce_set_vf_switch_param(hr_dev, 0); |
2063 | if (ret) { | |
2064 | dev_err(hr_dev->dev, | |
2065 | "failed to set function switch param, ret = %d.\n", | |
2066 | ret); | |
2067 | return ret; | |
0c1c3880 | 2068 | } |
3a63c964 LO |
2069 | |
2070 | hr_dev->vendor_part_id = hr_dev->pci_dev->device; | |
2071 | hr_dev->sys_image_guid = be64_to_cpu(hr_dev->ib_dev.node_guid); | |
cfc85f3e | 2072 | |
80a78570 | 2073 | caps->pbl_ba_pg_sz = HNS_ROCE_BA_PG_SZ_SUPPORTED_16K; |
ff795f71 WHX |
2074 | caps->pbl_buf_pg_sz = 0; |
2075 | caps->pbl_hop_num = HNS_ROCE_PBL_HOP_NUM; | |
a5073d60 YL |
2076 | caps->eqe_ba_pg_sz = 0; |
2077 | caps->eqe_buf_pg_sz = 0; | |
2078 | caps->eqe_hop_num = HNS_ROCE_EQE_HOP_NUM; | |
6b63597d | 2079 | caps->tsq_buf_pg_sz = 0; |
aa84fa18 | 2080 | |
80a78570 LO |
2081 | ret = hns_roce_query_pf_caps(hr_dev); |
2082 | if (ret) | |
2083 | set_default_caps(hr_dev); | |
384f8818 | 2084 | |
99e713f8 LO |
2085 | ret = hns_roce_alloc_vf_resource(hr_dev); |
2086 | if (ret) { | |
2087 | dev_err(hr_dev->dev, "Allocate vf resource fail, ret = %d.\n", | |
2088 | ret); | |
2089 | return ret; | |
2090 | } | |
2091 | ||
a81fba28 WHX |
2092 | ret = hns_roce_v2_set_bt(hr_dev); |
2093 | if (ret) | |
2094 | dev_err(hr_dev->dev, "Configure bt attribute fail, ret = %d.\n", | |
2095 | ret); | |
2096 | ||
2097 | return ret; | |
cfc85f3e WHX |
2098 | } |
2099 | ||
6b63597d | 2100 | static int hns_roce_config_link_table(struct hns_roce_dev *hr_dev, |
2101 | enum hns_roce_link_table_type type) | |
2102 | { | |
2103 | struct hns_roce_cmq_desc desc[2]; | |
2104 | struct hns_roce_cfg_llm_a *req_a = | |
2105 | (struct hns_roce_cfg_llm_a *)desc[0].data; | |
2106 | struct hns_roce_cfg_llm_b *req_b = | |
2107 | (struct hns_roce_cfg_llm_b *)desc[1].data; | |
2108 | struct hns_roce_v2_priv *priv = hr_dev->priv; | |
2109 | struct hns_roce_link_table *link_tbl; | |
2110 | struct hns_roce_link_table_entry *entry; | |
2111 | enum hns_roce_opcode_type opcode; | |
2112 | u32 page_num; | |
2113 | int i; | |
2114 | ||
2115 | switch (type) { | |
2116 | case TSQ_LINK_TABLE: | |
2117 | link_tbl = &priv->tsq; | |
2118 | opcode = HNS_ROCE_OPC_CFG_EXT_LLM; | |
2119 | break; | |
ded58ff9 | 2120 | case TPQ_LINK_TABLE: |
2121 | link_tbl = &priv->tpq; | |
2122 | opcode = HNS_ROCE_OPC_CFG_TMOUT_LLM; | |
2123 | break; | |
6b63597d | 2124 | default: |
2125 | return -EINVAL; | |
2126 | } | |
2127 | ||
2128 | page_num = link_tbl->npages; | |
2129 | entry = link_tbl->table.buf; | |
6b63597d | 2130 | |
2131 | for (i = 0; i < 2; i++) { | |
2132 | hns_roce_cmq_setup_basic_desc(&desc[i], opcode, false); | |
2133 | ||
2134 | if (i == 0) | |
2135 | desc[i].flag |= cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
2136 | else | |
2137 | desc[i].flag &= ~cpu_to_le16(HNS_ROCE_CMD_FLAG_NEXT); | |
6b63597d | 2138 | } |
9976ea27 LO |
2139 | |
2140 | req_a->base_addr_l = cpu_to_le32(link_tbl->table.map & 0xffffffff); | |
2141 | req_a->base_addr_h = cpu_to_le32(link_tbl->table.map >> 32); | |
2142 | roce_set_field(req_a->depth_pgsz_init_en, CFG_LLM_QUE_DEPTH_M, | |
2143 | CFG_LLM_QUE_DEPTH_S, link_tbl->npages); | |
2144 | roce_set_field(req_a->depth_pgsz_init_en, CFG_LLM_QUE_PGSZ_M, | |
2145 | CFG_LLM_QUE_PGSZ_S, link_tbl->pg_sz); | |
60262b10 LO |
2146 | roce_set_field(req_a->depth_pgsz_init_en, CFG_LLM_INIT_EN_M, |
2147 | CFG_LLM_INIT_EN_S, 1); | |
9976ea27 LO |
2148 | req_a->head_ba_l = cpu_to_le32(entry[0].blk_ba0); |
2149 | req_a->head_ba_h_nxtptr = cpu_to_le32(entry[0].blk_ba1_nxt_ptr); | |
2150 | roce_set_field(req_a->head_ptr, CFG_LLM_HEAD_PTR_M, CFG_LLM_HEAD_PTR_S, | |
2151 | 0); | |
2152 | ||
2153 | req_b->tail_ba_l = cpu_to_le32(entry[page_num - 1].blk_ba0); | |
2154 | roce_set_field(req_b->tail_ba_h, CFG_LLM_TAIL_BA_H_M, | |
2155 | CFG_LLM_TAIL_BA_H_S, | |
2156 | entry[page_num - 1].blk_ba1_nxt_ptr & | |
2157 | HNS_ROCE_LINK_TABLE_BA1_M); | |
2158 | roce_set_field(req_b->tail_ptr, CFG_LLM_TAIL_PTR_M, CFG_LLM_TAIL_PTR_S, | |
2159 | (entry[page_num - 2].blk_ba1_nxt_ptr & | |
2160 | HNS_ROCE_LINK_TABLE_NXT_PTR_M) >> | |
2161 | HNS_ROCE_LINK_TABLE_NXT_PTR_S); | |
6b63597d | 2162 | |
2163 | return hns_roce_cmq_send(hr_dev, desc, 2); | |
2164 | } | |
2165 | ||
2166 | static int hns_roce_init_link_table(struct hns_roce_dev *hr_dev, | |
2167 | enum hns_roce_link_table_type type) | |
2168 | { | |
2169 | struct hns_roce_v2_priv *priv = hr_dev->priv; | |
2170 | struct hns_roce_link_table *link_tbl; | |
2171 | struct hns_roce_link_table_entry *entry; | |
2172 | struct device *dev = hr_dev->dev; | |
2173 | u32 buf_chk_sz; | |
2174 | dma_addr_t t; | |
ded58ff9 | 2175 | int func_num = 1; |
6b63597d | 2176 | int pg_num_a; |
2177 | int pg_num_b; | |
2178 | int pg_num; | |
2179 | int size; | |
2180 | int i; | |
2181 | ||
2182 | switch (type) { | |
2183 | case TSQ_LINK_TABLE: | |
2184 | link_tbl = &priv->tsq; | |
2185 | buf_chk_sz = 1 << (hr_dev->caps.tsq_buf_pg_sz + PAGE_SHIFT); | |
2186 | pg_num_a = hr_dev->caps.num_qps * 8 / buf_chk_sz; | |
2187 | pg_num_b = hr_dev->caps.sl_num * 4 + 2; | |
2188 | break; | |
ded58ff9 | 2189 | case TPQ_LINK_TABLE: |
2190 | link_tbl = &priv->tpq; | |
2191 | buf_chk_sz = 1 << (hr_dev->caps.tpq_buf_pg_sz + PAGE_SHIFT); | |
2192 | pg_num_a = hr_dev->caps.num_cqs * 4 / buf_chk_sz; | |
2193 | pg_num_b = 2 * 4 * func_num + 2; | |
2194 | break; | |
6b63597d | 2195 | default: |
2196 | return -EINVAL; | |
2197 | } | |
2198 | ||
2199 | pg_num = max(pg_num_a, pg_num_b); | |
2200 | size = pg_num * sizeof(struct hns_roce_link_table_entry); | |
2201 | ||
2202 | link_tbl->table.buf = dma_alloc_coherent(dev, size, | |
2203 | &link_tbl->table.map, | |
2204 | GFP_KERNEL); | |
2205 | if (!link_tbl->table.buf) | |
2206 | goto out; | |
2207 | ||
2208 | link_tbl->pg_list = kcalloc(pg_num, sizeof(*link_tbl->pg_list), | |
2209 | GFP_KERNEL); | |
2210 | if (!link_tbl->pg_list) | |
2211 | goto err_kcalloc_failed; | |
2212 | ||
2213 | entry = link_tbl->table.buf; | |
2214 | for (i = 0; i < pg_num; ++i) { | |
2215 | link_tbl->pg_list[i].buf = dma_alloc_coherent(dev, buf_chk_sz, | |
2216 | &t, GFP_KERNEL); | |
2217 | if (!link_tbl->pg_list[i].buf) | |
2218 | goto err_alloc_buf_failed; | |
2219 | ||
2220 | link_tbl->pg_list[i].map = t; | |
6b63597d | 2221 | |
bfe86035 LC |
2222 | entry[i].blk_ba0 = (u32)(t >> 12); |
2223 | entry[i].blk_ba1_nxt_ptr = (u32)(t >> 44); | |
6b63597d | 2224 | |
2225 | if (i < (pg_num - 1)) | |
bfe86035 LC |
2226 | entry[i].blk_ba1_nxt_ptr |= |
2227 | (i + 1) << HNS_ROCE_LINK_TABLE_NXT_PTR_S; | |
2228 | ||
6b63597d | 2229 | } |
2230 | link_tbl->npages = pg_num; | |
2231 | link_tbl->pg_sz = buf_chk_sz; | |
2232 | ||
2233 | return hns_roce_config_link_table(hr_dev, type); | |
2234 | ||
2235 | err_alloc_buf_failed: | |
2236 | for (i -= 1; i >= 0; i--) | |
2237 | dma_free_coherent(dev, buf_chk_sz, | |
2238 | link_tbl->pg_list[i].buf, | |
2239 | link_tbl->pg_list[i].map); | |
2240 | kfree(link_tbl->pg_list); | |
2241 | ||
2242 | err_kcalloc_failed: | |
2243 | dma_free_coherent(dev, size, link_tbl->table.buf, | |
2244 | link_tbl->table.map); | |
2245 | ||
2246 | out: | |
2247 | return -ENOMEM; | |
2248 | } | |
2249 | ||
2250 | static void hns_roce_free_link_table(struct hns_roce_dev *hr_dev, | |
2251 | struct hns_roce_link_table *link_tbl) | |
2252 | { | |
2253 | struct device *dev = hr_dev->dev; | |
2254 | int size; | |
2255 | int i; | |
2256 | ||
2257 | size = link_tbl->npages * sizeof(struct hns_roce_link_table_entry); | |
2258 | ||
2259 | for (i = 0; i < link_tbl->npages; ++i) | |
2260 | if (link_tbl->pg_list[i].buf) | |
2261 | dma_free_coherent(dev, link_tbl->pg_sz, | |
2262 | link_tbl->pg_list[i].buf, | |
2263 | link_tbl->pg_list[i].map); | |
2264 | kfree(link_tbl->pg_list); | |
2265 | ||
2266 | dma_free_coherent(dev, size, link_tbl->table.buf, | |
2267 | link_tbl->table.map); | |
2268 | } | |
2269 | ||
2270 | static int hns_roce_v2_init(struct hns_roce_dev *hr_dev) | |
2271 | { | |
ded58ff9 | 2272 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
0e40dc2f YL |
2273 | int qpc_count, cqc_count; |
2274 | int ret, i; | |
6b63597d | 2275 | |
2276 | /* TSQ includes SQ doorbell and ack doorbell */ | |
2277 | ret = hns_roce_init_link_table(hr_dev, TSQ_LINK_TABLE); | |
ded58ff9 | 2278 | if (ret) { |
6b63597d | 2279 | dev_err(hr_dev->dev, "TSQ init failed, ret = %d.\n", ret); |
ded58ff9 | 2280 | return ret; |
2281 | } | |
2282 | ||
2283 | ret = hns_roce_init_link_table(hr_dev, TPQ_LINK_TABLE); | |
2284 | if (ret) { | |
2285 | dev_err(hr_dev->dev, "TPQ init failed, ret = %d.\n", ret); | |
2286 | goto err_tpq_init_failed; | |
2287 | } | |
2288 | ||
6def7de6 | 2289 | /* Alloc memory for QPC Timer buffer space chunk */ |
0e40dc2f YL |
2290 | for (qpc_count = 0; qpc_count < hr_dev->caps.qpc_timer_bt_num; |
2291 | qpc_count++) { | |
2292 | ret = hns_roce_table_get(hr_dev, &hr_dev->qpc_timer_table, | |
2293 | qpc_count); | |
2294 | if (ret) { | |
2295 | dev_err(hr_dev->dev, "QPC Timer get failed\n"); | |
2296 | goto err_qpc_timer_failed; | |
2297 | } | |
2298 | } | |
2299 | ||
6def7de6 | 2300 | /* Alloc memory for CQC Timer buffer space chunk */ |
0e40dc2f YL |
2301 | for (cqc_count = 0; cqc_count < hr_dev->caps.cqc_timer_bt_num; |
2302 | cqc_count++) { | |
2303 | ret = hns_roce_table_get(hr_dev, &hr_dev->cqc_timer_table, | |
2304 | cqc_count); | |
2305 | if (ret) { | |
2306 | dev_err(hr_dev->dev, "CQC Timer get failed\n"); | |
2307 | goto err_cqc_timer_failed; | |
2308 | } | |
2309 | } | |
2310 | ||
ded58ff9 | 2311 | return 0; |
2312 | ||
0e40dc2f YL |
2313 | err_cqc_timer_failed: |
2314 | for (i = 0; i < cqc_count; i++) | |
2315 | hns_roce_table_put(hr_dev, &hr_dev->cqc_timer_table, i); | |
2316 | ||
2317 | err_qpc_timer_failed: | |
2318 | for (i = 0; i < qpc_count; i++) | |
2319 | hns_roce_table_put(hr_dev, &hr_dev->qpc_timer_table, i); | |
2320 | ||
2321 | hns_roce_free_link_table(hr_dev, &priv->tpq); | |
2322 | ||
ded58ff9 | 2323 | err_tpq_init_failed: |
2324 | hns_roce_free_link_table(hr_dev, &priv->tsq); | |
6b63597d | 2325 | |
2326 | return ret; | |
2327 | } | |
2328 | ||
2329 | static void hns_roce_v2_exit(struct hns_roce_dev *hr_dev) | |
2330 | { | |
2331 | struct hns_roce_v2_priv *priv = hr_dev->priv; | |
2332 | ||
a247fd28 | 2333 | hns_roce_function_clear(hr_dev); |
89a6da3c | 2334 | |
ded58ff9 | 2335 | hns_roce_free_link_table(hr_dev, &priv->tpq); |
6b63597d | 2336 | hns_roce_free_link_table(hr_dev, &priv->tsq); |
2337 | } | |
2338 | ||
f747b689 LO |
2339 | static int hns_roce_query_mbox_status(struct hns_roce_dev *hr_dev) |
2340 | { | |
2341 | struct hns_roce_cmq_desc desc; | |
2342 | struct hns_roce_mbox_status *mb_st = | |
2343 | (struct hns_roce_mbox_status *)desc.data; | |
2344 | enum hns_roce_cmd_return_status status; | |
2345 | ||
2346 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_QUERY_MB_ST, true); | |
2347 | ||
2348 | status = hns_roce_cmq_send(hr_dev, &desc, 1); | |
2349 | if (status) | |
2350 | return status; | |
2351 | ||
bfe86035 | 2352 | return le32_to_cpu(mb_st->mb_status_hw_run); |
f747b689 LO |
2353 | } |
2354 | ||
a680f2f3 WHX |
2355 | static int hns_roce_v2_cmd_pending(struct hns_roce_dev *hr_dev) |
2356 | { | |
f747b689 | 2357 | u32 status = hns_roce_query_mbox_status(hr_dev); |
a680f2f3 WHX |
2358 | |
2359 | return status >> HNS_ROCE_HW_RUN_BIT_SHIFT; | |
2360 | } | |
2361 | ||
2362 | static int hns_roce_v2_cmd_complete(struct hns_roce_dev *hr_dev) | |
2363 | { | |
f747b689 | 2364 | u32 status = hns_roce_query_mbox_status(hr_dev); |
a680f2f3 WHX |
2365 | |
2366 | return status & HNS_ROCE_HW_MB_STATUS_MASK; | |
2367 | } | |
2368 | ||
f747b689 LO |
2369 | static int hns_roce_mbox_post(struct hns_roce_dev *hr_dev, u64 in_param, |
2370 | u64 out_param, u32 in_modifier, u8 op_modifier, | |
2371 | u16 op, u16 token, int event) | |
2372 | { | |
2373 | struct hns_roce_cmq_desc desc; | |
2374 | struct hns_roce_post_mbox *mb = (struct hns_roce_post_mbox *)desc.data; | |
2375 | ||
2376 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_POST_MB, false); | |
2377 | ||
bfe86035 LC |
2378 | mb->in_param_l = cpu_to_le32(in_param); |
2379 | mb->in_param_h = cpu_to_le32(in_param >> 32); | |
2380 | mb->out_param_l = cpu_to_le32(out_param); | |
2381 | mb->out_param_h = cpu_to_le32(out_param >> 32); | |
f747b689 LO |
2382 | mb->cmd_tag = cpu_to_le32(in_modifier << 8 | op); |
2383 | mb->token_event_en = cpu_to_le32(event << 16 | token); | |
2384 | ||
2385 | return hns_roce_cmq_send(hr_dev, &desc, 1); | |
2386 | } | |
2387 | ||
a680f2f3 WHX |
2388 | static int hns_roce_v2_post_mbox(struct hns_roce_dev *hr_dev, u64 in_param, |
2389 | u64 out_param, u32 in_modifier, u8 op_modifier, | |
2390 | u16 op, u16 token, int event) | |
2391 | { | |
2392 | struct device *dev = hr_dev->dev; | |
a680f2f3 | 2393 | unsigned long end; |
f747b689 | 2394 | int ret; |
a680f2f3 WHX |
2395 | |
2396 | end = msecs_to_jiffies(HNS_ROCE_V2_GO_BIT_TIMEOUT_MSECS) + jiffies; | |
2397 | while (hns_roce_v2_cmd_pending(hr_dev)) { | |
2398 | if (time_after(jiffies, end)) { | |
2399 | dev_dbg(dev, "jiffies=%d end=%d\n", (int)jiffies, | |
2400 | (int)end); | |
2401 | return -EAGAIN; | |
2402 | } | |
2403 | cond_resched(); | |
2404 | } | |
2405 | ||
f747b689 LO |
2406 | ret = hns_roce_mbox_post(hr_dev, in_param, out_param, in_modifier, |
2407 | op_modifier, op, token, event); | |
2408 | if (ret) | |
2409 | dev_err(dev, "Post mailbox fail(%d)\n", ret); | |
a680f2f3 | 2410 | |
f747b689 | 2411 | return ret; |
a680f2f3 WHX |
2412 | } |
2413 | ||
2414 | static int hns_roce_v2_chk_mbox(struct hns_roce_dev *hr_dev, | |
2415 | unsigned long timeout) | |
2416 | { | |
2417 | struct device *dev = hr_dev->dev; | |
617cf24f | 2418 | unsigned long end; |
a680f2f3 WHX |
2419 | u32 status; |
2420 | ||
2421 | end = msecs_to_jiffies(timeout) + jiffies; | |
2422 | while (hns_roce_v2_cmd_pending(hr_dev) && time_before(jiffies, end)) | |
2423 | cond_resched(); | |
2424 | ||
2425 | if (hns_roce_v2_cmd_pending(hr_dev)) { | |
2426 | dev_err(dev, "[cmd_poll]hw run cmd TIMEDOUT!\n"); | |
2427 | return -ETIMEDOUT; | |
2428 | } | |
2429 | ||
2430 | status = hns_roce_v2_cmd_complete(hr_dev); | |
2431 | if (status != 0x1) { | |
6a04aed6 WHX |
2432 | if (status == CMD_RST_PRC_EBUSY) |
2433 | return status; | |
2434 | ||
a680f2f3 WHX |
2435 | dev_err(dev, "mailbox status 0x%x!\n", status); |
2436 | return -EBUSY; | |
2437 | } | |
2438 | ||
2439 | return 0; | |
2440 | } | |
2441 | ||
4db134a3 | 2442 | static int hns_roce_config_sgid_table(struct hns_roce_dev *hr_dev, |
2443 | int gid_index, const union ib_gid *gid, | |
2444 | enum hns_roce_sgid_type sgid_type) | |
2445 | { | |
2446 | struct hns_roce_cmq_desc desc; | |
2447 | struct hns_roce_cfg_sgid_tb *sgid_tb = | |
2448 | (struct hns_roce_cfg_sgid_tb *)desc.data; | |
2449 | u32 *p; | |
2450 | ||
2451 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CFG_SGID_TB, false); | |
2452 | ||
60262b10 | 2453 | roce_set_field(sgid_tb->table_idx_rsv, CFG_SGID_TB_TABLE_IDX_M, |
4db134a3 | 2454 | CFG_SGID_TB_TABLE_IDX_S, gid_index); |
60262b10 | 2455 | roce_set_field(sgid_tb->vf_sgid_type_rsv, CFG_SGID_TB_VF_SGID_TYPE_M, |
4db134a3 | 2456 | CFG_SGID_TB_VF_SGID_TYPE_S, sgid_type); |
2457 | ||
2458 | p = (u32 *)&gid->raw[0]; | |
2459 | sgid_tb->vf_sgid_l = cpu_to_le32(*p); | |
2460 | ||
2461 | p = (u32 *)&gid->raw[4]; | |
2462 | sgid_tb->vf_sgid_ml = cpu_to_le32(*p); | |
2463 | ||
2464 | p = (u32 *)&gid->raw[8]; | |
2465 | sgid_tb->vf_sgid_mh = cpu_to_le32(*p); | |
2466 | ||
2467 | p = (u32 *)&gid->raw[0xc]; | |
2468 | sgid_tb->vf_sgid_h = cpu_to_le32(*p); | |
2469 | ||
2470 | return hns_roce_cmq_send(hr_dev, &desc, 1); | |
2471 | } | |
2472 | ||
b5ff0f61 | 2473 | static int hns_roce_v2_set_gid(struct hns_roce_dev *hr_dev, u8 port, |
f4df9a7c | 2474 | int gid_index, const union ib_gid *gid, |
b5ff0f61 | 2475 | const struct ib_gid_attr *attr) |
7afddafa | 2476 | { |
b5ff0f61 | 2477 | enum hns_roce_sgid_type sgid_type = GID_TYPE_FLAG_ROCE_V1; |
4db134a3 | 2478 | int ret; |
7afddafa | 2479 | |
b5ff0f61 WHX |
2480 | if (!gid || !attr) |
2481 | return -EINVAL; | |
2482 | ||
2483 | if (attr->gid_type == IB_GID_TYPE_ROCE) | |
2484 | sgid_type = GID_TYPE_FLAG_ROCE_V1; | |
2485 | ||
2486 | if (attr->gid_type == IB_GID_TYPE_ROCE_UDP_ENCAP) { | |
2487 | if (ipv6_addr_v4mapped((void *)gid)) | |
2488 | sgid_type = GID_TYPE_FLAG_ROCE_V2_IPV4; | |
2489 | else | |
2490 | sgid_type = GID_TYPE_FLAG_ROCE_V2_IPV6; | |
2491 | } | |
2492 | ||
4db134a3 | 2493 | ret = hns_roce_config_sgid_table(hr_dev, gid_index, gid, sgid_type); |
2494 | if (ret) | |
ae1c6148 LO |
2495 | ibdev_err(&hr_dev->ib_dev, |
2496 | "failed to configure sgid table, ret = %d!\n", | |
2497 | ret); | |
b5ff0f61 | 2498 | |
4db134a3 | 2499 | return ret; |
7afddafa WHX |
2500 | } |
2501 | ||
a74dc41d WHX |
2502 | static int hns_roce_v2_set_mac(struct hns_roce_dev *hr_dev, u8 phy_port, |
2503 | u8 *addr) | |
7afddafa | 2504 | { |
e8e8b652 | 2505 | struct hns_roce_cmq_desc desc; |
2506 | struct hns_roce_cfg_smac_tb *smac_tb = | |
2507 | (struct hns_roce_cfg_smac_tb *)desc.data; | |
7afddafa WHX |
2508 | u16 reg_smac_h; |
2509 | u32 reg_smac_l; | |
e8e8b652 | 2510 | |
2511 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CFG_SMAC_TB, false); | |
7afddafa WHX |
2512 | |
2513 | reg_smac_l = *(u32 *)(&addr[0]); | |
e8e8b652 | 2514 | reg_smac_h = *(u16 *)(&addr[4]); |
7afddafa | 2515 | |
375898e8 | 2516 | roce_set_field(smac_tb->tb_idx_rsv, CFG_SMAC_TB_IDX_M, |
e8e8b652 | 2517 | CFG_SMAC_TB_IDX_S, phy_port); |
375898e8 | 2518 | roce_set_field(smac_tb->vf_smac_h_rsv, CFG_SMAC_TB_VF_SMAC_H_M, |
e8e8b652 | 2519 | CFG_SMAC_TB_VF_SMAC_H_S, reg_smac_h); |
bfe86035 | 2520 | smac_tb->vf_smac_l = cpu_to_le32(reg_smac_l); |
a74dc41d | 2521 | |
e8e8b652 | 2522 | return hns_roce_cmq_send(hr_dev, &desc, 1); |
7afddafa WHX |
2523 | } |
2524 | ||
98a61519 YL |
2525 | static int set_mtpt_pbl(struct hns_roce_dev *hr_dev, |
2526 | struct hns_roce_v2_mpt_entry *mpt_entry, | |
ca088320 | 2527 | struct hns_roce_mr *mr) |
3958cc56 | 2528 | { |
9b2cf76c XW |
2529 | u64 pages[HNS_ROCE_V2_MAX_INNER_MTPT_NUM] = { 0 }; |
2530 | struct ib_device *ibdev = &hr_dev->ib_dev; | |
2531 | dma_addr_t pbl_ba; | |
2532 | int i, count; | |
2533 | ||
2534 | count = hns_roce_mtr_find(hr_dev, &mr->pbl_mtr, 0, pages, | |
2535 | ARRAY_SIZE(pages), &pbl_ba); | |
2536 | if (count < 1) { | |
2537 | ibdev_err(ibdev, "failed to find PBL mtr, count = %d.\n", | |
2538 | count); | |
2539 | return -ENOBUFS; | |
2540 | } | |
3958cc56 | 2541 | |
9b2cf76c XW |
2542 | /* Aligned to the hardware address access unit */ |
2543 | for (i = 0; i < count; i++) | |
2544 | pages[i] >>= 6; | |
2545 | ||
2546 | mpt_entry->pbl_size = cpu_to_le32(mr->npages); | |
2547 | mpt_entry->pbl_ba_l = cpu_to_le32(pbl_ba >> 3); | |
ca088320 YL |
2548 | roce_set_field(mpt_entry->byte_48_mode_ba, |
2549 | V2_MPT_BYTE_48_PBL_BA_H_M, V2_MPT_BYTE_48_PBL_BA_H_S, | |
9b2cf76c | 2550 | upper_32_bits(pbl_ba >> 3)); |
ca088320 | 2551 | |
ca088320 YL |
2552 | mpt_entry->pa0_l = cpu_to_le32(lower_32_bits(pages[0])); |
2553 | roce_set_field(mpt_entry->byte_56_pa0_h, V2_MPT_BYTE_56_PA0_H_M, | |
2554 | V2_MPT_BYTE_56_PA0_H_S, upper_32_bits(pages[0])); | |
2555 | ||
2556 | mpt_entry->pa1_l = cpu_to_le32(lower_32_bits(pages[1])); | |
2557 | roce_set_field(mpt_entry->byte_64_buf_pa1, V2_MPT_BYTE_64_PA1_H_M, | |
2558 | V2_MPT_BYTE_64_PA1_H_S, upper_32_bits(pages[1])); | |
2559 | roce_set_field(mpt_entry->byte_64_buf_pa1, | |
2560 | V2_MPT_BYTE_64_PBL_BUF_PG_SZ_M, | |
2561 | V2_MPT_BYTE_64_PBL_BUF_PG_SZ_S, | |
9b2cf76c | 2562 | to_hr_hw_page_shift(mr->pbl_mtr.hem_cfg.buf_pg_shift)); |
ca088320 YL |
2563 | |
2564 | return 0; | |
2565 | } | |
2566 | ||
98a61519 YL |
2567 | static int hns_roce_v2_write_mtpt(struct hns_roce_dev *hr_dev, |
2568 | void *mb_buf, struct hns_roce_mr *mr, | |
ca088320 YL |
2569 | unsigned long mtpt_idx) |
2570 | { | |
2571 | struct hns_roce_v2_mpt_entry *mpt_entry; | |
2572 | int ret; | |
2573 | ||
3958cc56 WHX |
2574 | mpt_entry = mb_buf; |
2575 | memset(mpt_entry, 0, sizeof(*mpt_entry)); | |
2576 | ||
2577 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_MPT_ST_M, | |
2578 | V2_MPT_BYTE_4_MPT_ST_S, V2_MPT_ST_VALID); | |
2579 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_PBL_HOP_NUM_M, | |
2580 | V2_MPT_BYTE_4_PBL_HOP_NUM_S, mr->pbl_hop_num == | |
2581 | HNS_ROCE_HOP_NUM_0 ? 0 : mr->pbl_hop_num); | |
2582 | roce_set_field(mpt_entry->byte_4_pd_hop_st, | |
2583 | V2_MPT_BYTE_4_PBL_BA_PG_SZ_M, | |
5e6e78db | 2584 | V2_MPT_BYTE_4_PBL_BA_PG_SZ_S, |
9b2cf76c | 2585 | to_hr_hw_page_shift(mr->pbl_mtr.hem_cfg.ba_pg_shift)); |
3958cc56 WHX |
2586 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_PD_M, |
2587 | V2_MPT_BYTE_4_PD_S, mr->pd); | |
3958cc56 WHX |
2588 | |
2589 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_RA_EN_S, 0); | |
82342e49 | 2590 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_R_INV_EN_S, 0); |
e93df010 | 2591 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_L_INV_EN_S, 1); |
3958cc56 WHX |
2592 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_BIND_EN_S, |
2593 | (mr->access & IB_ACCESS_MW_BIND ? 1 : 0)); | |
384f8818 LO |
2594 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_ATOMIC_EN_S, |
2595 | mr->access & IB_ACCESS_REMOTE_ATOMIC ? 1 : 0); | |
3958cc56 WHX |
2596 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_RR_EN_S, |
2597 | (mr->access & IB_ACCESS_REMOTE_READ ? 1 : 0)); | |
2598 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_RW_EN_S, | |
2599 | (mr->access & IB_ACCESS_REMOTE_WRITE ? 1 : 0)); | |
2600 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_LW_EN_S, | |
2601 | (mr->access & IB_ACCESS_LOCAL_WRITE ? 1 : 0)); | |
3958cc56 WHX |
2602 | |
2603 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_PA_S, | |
2604 | mr->type == MR_TYPE_MR ? 0 : 1); | |
85e0274d | 2605 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_INNER_PA_VLD_S, |
2606 | 1); | |
3958cc56 WHX |
2607 | |
2608 | mpt_entry->len_l = cpu_to_le32(lower_32_bits(mr->size)); | |
2609 | mpt_entry->len_h = cpu_to_le32(upper_32_bits(mr->size)); | |
2610 | mpt_entry->lkey = cpu_to_le32(mr->key); | |
2611 | mpt_entry->va_l = cpu_to_le32(lower_32_bits(mr->iova)); | |
2612 | mpt_entry->va_h = cpu_to_le32(upper_32_bits(mr->iova)); | |
2613 | ||
2614 | if (mr->type == MR_TYPE_DMA) | |
2615 | return 0; | |
2616 | ||
98a61519 | 2617 | ret = set_mtpt_pbl(hr_dev, mpt_entry, mr); |
3958cc56 | 2618 | |
ca088320 | 2619 | return ret; |
3958cc56 WHX |
2620 | } |
2621 | ||
a2c80b7b WHX |
2622 | static int hns_roce_v2_rereg_write_mtpt(struct hns_roce_dev *hr_dev, |
2623 | struct hns_roce_mr *mr, int flags, | |
2624 | u32 pdn, int mr_access_flags, u64 iova, | |
2625 | u64 size, void *mb_buf) | |
2626 | { | |
2627 | struct hns_roce_v2_mpt_entry *mpt_entry = mb_buf; | |
ca088320 | 2628 | int ret = 0; |
a2c80b7b | 2629 | |
ab22bf05 YL |
2630 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_MPT_ST_M, |
2631 | V2_MPT_BYTE_4_MPT_ST_S, V2_MPT_ST_VALID); | |
2632 | ||
a2c80b7b WHX |
2633 | if (flags & IB_MR_REREG_PD) { |
2634 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_PD_M, | |
2635 | V2_MPT_BYTE_4_PD_S, pdn); | |
2636 | mr->pd = pdn; | |
2637 | } | |
2638 | ||
2639 | if (flags & IB_MR_REREG_ACCESS) { | |
2640 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, | |
2641 | V2_MPT_BYTE_8_BIND_EN_S, | |
2642 | (mr_access_flags & IB_ACCESS_MW_BIND ? 1 : 0)); | |
2643 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, | |
ca088320 YL |
2644 | V2_MPT_BYTE_8_ATOMIC_EN_S, |
2645 | mr_access_flags & IB_ACCESS_REMOTE_ATOMIC ? 1 : 0); | |
a2c80b7b | 2646 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_RR_EN_S, |
ca088320 | 2647 | mr_access_flags & IB_ACCESS_REMOTE_READ ? 1 : 0); |
a2c80b7b | 2648 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_RW_EN_S, |
ca088320 | 2649 | mr_access_flags & IB_ACCESS_REMOTE_WRITE ? 1 : 0); |
a2c80b7b | 2650 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_LW_EN_S, |
ca088320 | 2651 | mr_access_flags & IB_ACCESS_LOCAL_WRITE ? 1 : 0); |
a2c80b7b WHX |
2652 | } |
2653 | ||
2654 | if (flags & IB_MR_REREG_TRANS) { | |
2655 | mpt_entry->va_l = cpu_to_le32(lower_32_bits(iova)); | |
2656 | mpt_entry->va_h = cpu_to_le32(upper_32_bits(iova)); | |
2657 | mpt_entry->len_l = cpu_to_le32(lower_32_bits(size)); | |
2658 | mpt_entry->len_h = cpu_to_le32(upper_32_bits(size)); | |
2659 | ||
a2c80b7b WHX |
2660 | mr->iova = iova; |
2661 | mr->size = size; | |
ca088320 | 2662 | |
98a61519 | 2663 | ret = set_mtpt_pbl(hr_dev, mpt_entry, mr); |
a2c80b7b WHX |
2664 | } |
2665 | ||
ca088320 | 2666 | return ret; |
a2c80b7b WHX |
2667 | } |
2668 | ||
98a61519 YL |
2669 | static int hns_roce_v2_frmr_write_mtpt(struct hns_roce_dev *hr_dev, |
2670 | void *mb_buf, struct hns_roce_mr *mr) | |
68a997c5 | 2671 | { |
9b2cf76c | 2672 | struct ib_device *ibdev = &hr_dev->ib_dev; |
68a997c5 | 2673 | struct hns_roce_v2_mpt_entry *mpt_entry; |
9b2cf76c | 2674 | dma_addr_t pbl_ba = 0; |
68a997c5 YL |
2675 | |
2676 | mpt_entry = mb_buf; | |
2677 | memset(mpt_entry, 0, sizeof(*mpt_entry)); | |
2678 | ||
9b2cf76c XW |
2679 | if (hns_roce_mtr_find(hr_dev, &mr->pbl_mtr, 0, NULL, 0, &pbl_ba) < 0) { |
2680 | ibdev_err(ibdev, "failed to find frmr mtr.\n"); | |
2681 | return -ENOBUFS; | |
2682 | } | |
2683 | ||
68a997c5 YL |
2684 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_MPT_ST_M, |
2685 | V2_MPT_BYTE_4_MPT_ST_S, V2_MPT_ST_FREE); | |
2686 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_PBL_HOP_NUM_M, | |
2687 | V2_MPT_BYTE_4_PBL_HOP_NUM_S, 1); | |
2688 | roce_set_field(mpt_entry->byte_4_pd_hop_st, | |
2689 | V2_MPT_BYTE_4_PBL_BA_PG_SZ_M, | |
2690 | V2_MPT_BYTE_4_PBL_BA_PG_SZ_S, | |
9b2cf76c | 2691 | to_hr_hw_page_shift(mr->pbl_mtr.hem_cfg.ba_pg_shift)); |
68a997c5 YL |
2692 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_PD_M, |
2693 | V2_MPT_BYTE_4_PD_S, mr->pd); | |
2694 | ||
2695 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_RA_EN_S, 1); | |
2696 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_R_INV_EN_S, 1); | |
2697 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_L_INV_EN_S, 1); | |
2698 | ||
2699 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_FRE_S, 1); | |
2700 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_PA_S, 0); | |
2701 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_MR_MW_S, 0); | |
2702 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_BPD_S, 1); | |
2703 | ||
9b2cf76c | 2704 | mpt_entry->pbl_size = cpu_to_le32(mr->npages); |
68a997c5 | 2705 | |
9b2cf76c | 2706 | mpt_entry->pbl_ba_l = cpu_to_le32(lower_32_bits(pbl_ba >> 3)); |
68a997c5 YL |
2707 | roce_set_field(mpt_entry->byte_48_mode_ba, V2_MPT_BYTE_48_PBL_BA_H_M, |
2708 | V2_MPT_BYTE_48_PBL_BA_H_S, | |
9b2cf76c | 2709 | upper_32_bits(pbl_ba >> 3)); |
68a997c5 YL |
2710 | |
2711 | roce_set_field(mpt_entry->byte_64_buf_pa1, | |
2712 | V2_MPT_BYTE_64_PBL_BUF_PG_SZ_M, | |
2713 | V2_MPT_BYTE_64_PBL_BUF_PG_SZ_S, | |
9b2cf76c | 2714 | to_hr_hw_page_shift(mr->pbl_mtr.hem_cfg.buf_pg_shift)); |
68a997c5 YL |
2715 | |
2716 | return 0; | |
2717 | } | |
2718 | ||
c7c28191 YL |
2719 | static int hns_roce_v2_mw_write_mtpt(void *mb_buf, struct hns_roce_mw *mw) |
2720 | { | |
2721 | struct hns_roce_v2_mpt_entry *mpt_entry; | |
2722 | ||
2723 | mpt_entry = mb_buf; | |
2724 | memset(mpt_entry, 0, sizeof(*mpt_entry)); | |
2725 | ||
2726 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_MPT_ST_M, | |
2727 | V2_MPT_BYTE_4_MPT_ST_S, V2_MPT_ST_FREE); | |
2728 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_PD_M, | |
2729 | V2_MPT_BYTE_4_PD_S, mw->pdn); | |
60262b10 | 2730 | roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_PBL_HOP_NUM_M, |
c7c28191 | 2731 | V2_MPT_BYTE_4_PBL_HOP_NUM_S, |
60262b10 LO |
2732 | mw->pbl_hop_num == HNS_ROCE_HOP_NUM_0 ? 0 : |
2733 | mw->pbl_hop_num); | |
c7c28191 YL |
2734 | roce_set_field(mpt_entry->byte_4_pd_hop_st, |
2735 | V2_MPT_BYTE_4_PBL_BA_PG_SZ_M, | |
2736 | V2_MPT_BYTE_4_PBL_BA_PG_SZ_S, | |
2737 | mw->pbl_ba_pg_sz + PG_SHIFT_OFFSET); | |
2738 | ||
2739 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_R_INV_EN_S, 1); | |
2740 | roce_set_bit(mpt_entry->byte_8_mw_cnt_en, V2_MPT_BYTE_8_L_INV_EN_S, 1); | |
2741 | ||
2742 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_PA_S, 0); | |
2743 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_MR_MW_S, 1); | |
2744 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_BPD_S, 1); | |
2745 | roce_set_bit(mpt_entry->byte_12_mw_pa, V2_MPT_BYTE_12_BQP_S, | |
2746 | mw->ibmw.type == IB_MW_TYPE_1 ? 0 : 1); | |
2747 | ||
2748 | roce_set_field(mpt_entry->byte_64_buf_pa1, | |
2749 | V2_MPT_BYTE_64_PBL_BUF_PG_SZ_M, | |
2750 | V2_MPT_BYTE_64_PBL_BUF_PG_SZ_S, | |
2751 | mw->pbl_buf_pg_sz + PG_SHIFT_OFFSET); | |
2752 | ||
2753 | mpt_entry->lkey = cpu_to_le32(mw->rkey); | |
2754 | ||
2755 | return 0; | |
2756 | } | |
2757 | ||
93aa2187 WHX |
2758 | static void *get_cqe_v2(struct hns_roce_cq *hr_cq, int n) |
2759 | { | |
744b7bdf XW |
2760 | return hns_roce_buf_offset(hr_cq->mtr.kmem, |
2761 | n * HNS_ROCE_V2_CQE_ENTRY_SIZE); | |
93aa2187 WHX |
2762 | } |
2763 | ||
2764 | static void *get_sw_cqe_v2(struct hns_roce_cq *hr_cq, int n) | |
2765 | { | |
2766 | struct hns_roce_v2_cqe *cqe = get_cqe_v2(hr_cq, n & hr_cq->ib_cq.cqe); | |
2767 | ||
2768 | /* Get cqe when Owner bit is Conversely with the MSB of cons_idx */ | |
2769 | return (roce_get_bit(cqe->byte_4, V2_CQE_BYTE_4_OWNER_S) ^ | |
e2b2744a | 2770 | !!(n & hr_cq->cq_depth)) ? cqe : NULL; |
93aa2187 WHX |
2771 | } |
2772 | ||
e4aaf4ba | 2773 | static inline void hns_roce_v2_cq_set_ci(struct hns_roce_cq *hr_cq, u32 ci) |
93aa2187 | 2774 | { |
e4aaf4ba | 2775 | *hr_cq->set_ci_db = ci & V2_CQ_DB_PARAMETER_CONS_IDX_M; |
93aa2187 WHX |
2776 | } |
2777 | ||
926a01dc WHX |
2778 | static void __hns_roce_v2_cq_clean(struct hns_roce_cq *hr_cq, u32 qpn, |
2779 | struct hns_roce_srq *srq) | |
2780 | { | |
2781 | struct hns_roce_v2_cqe *cqe, *dest; | |
2782 | u32 prod_index; | |
2783 | int nfreed = 0; | |
c7bcb134 | 2784 | int wqe_index; |
926a01dc WHX |
2785 | u8 owner_bit; |
2786 | ||
2787 | for (prod_index = hr_cq->cons_index; get_sw_cqe_v2(hr_cq, prod_index); | |
2788 | ++prod_index) { | |
d7e5ca88 | 2789 | if (prod_index > hr_cq->cons_index + hr_cq->ib_cq.cqe) |
926a01dc WHX |
2790 | break; |
2791 | } | |
2792 | ||
2793 | /* | |
2794 | * Now backwards through the CQ, removing CQ entries | |
2795 | * that match our QP by overwriting them with next entries. | |
2796 | */ | |
2797 | while ((int) --prod_index - (int) hr_cq->cons_index >= 0) { | |
2798 | cqe = get_cqe_v2(hr_cq, prod_index & hr_cq->ib_cq.cqe); | |
2799 | if ((roce_get_field(cqe->byte_16, V2_CQE_BYTE_16_LCL_QPN_M, | |
2800 | V2_CQE_BYTE_16_LCL_QPN_S) & | |
2801 | HNS_ROCE_V2_CQE_QPN_MASK) == qpn) { | |
c7bcb134 LO |
2802 | if (srq && |
2803 | roce_get_bit(cqe->byte_4, V2_CQE_BYTE_4_S_R_S)) { | |
2804 | wqe_index = roce_get_field(cqe->byte_4, | |
2805 | V2_CQE_BYTE_4_WQE_INDX_M, | |
2806 | V2_CQE_BYTE_4_WQE_INDX_S); | |
2807 | hns_roce_free_srq_wqe(srq, wqe_index); | |
2808 | } | |
926a01dc WHX |
2809 | ++nfreed; |
2810 | } else if (nfreed) { | |
2811 | dest = get_cqe_v2(hr_cq, (prod_index + nfreed) & | |
2812 | hr_cq->ib_cq.cqe); | |
2813 | owner_bit = roce_get_bit(dest->byte_4, | |
2814 | V2_CQE_BYTE_4_OWNER_S); | |
2815 | memcpy(dest, cqe, sizeof(*cqe)); | |
2816 | roce_set_bit(dest->byte_4, V2_CQE_BYTE_4_OWNER_S, | |
2817 | owner_bit); | |
2818 | } | |
2819 | } | |
2820 | ||
2821 | if (nfreed) { | |
2822 | hr_cq->cons_index += nfreed; | |
2823 | /* | |
2824 | * Make sure update of buffer contents is done before | |
2825 | * updating consumer index. | |
2826 | */ | |
2827 | wmb(); | |
2828 | hns_roce_v2_cq_set_ci(hr_cq, hr_cq->cons_index); | |
2829 | } | |
2830 | } | |
2831 | ||
2832 | static void hns_roce_v2_cq_clean(struct hns_roce_cq *hr_cq, u32 qpn, | |
2833 | struct hns_roce_srq *srq) | |
2834 | { | |
2835 | spin_lock_irq(&hr_cq->lock); | |
2836 | __hns_roce_v2_cq_clean(hr_cq, qpn, srq); | |
2837 | spin_unlock_irq(&hr_cq->lock); | |
2838 | } | |
2839 | ||
93aa2187 WHX |
2840 | static void hns_roce_v2_write_cqc(struct hns_roce_dev *hr_dev, |
2841 | struct hns_roce_cq *hr_cq, void *mb_buf, | |
e2b2744a | 2842 | u64 *mtts, dma_addr_t dma_handle) |
93aa2187 WHX |
2843 | { |
2844 | struct hns_roce_v2_cq_context *cq_context; | |
2845 | ||
2846 | cq_context = mb_buf; | |
2847 | memset(cq_context, 0, sizeof(*cq_context)); | |
2848 | ||
2849 | roce_set_field(cq_context->byte_4_pg_ceqn, V2_CQC_BYTE_4_CQ_ST_M, | |
2850 | V2_CQC_BYTE_4_CQ_ST_S, V2_CQ_STATE_VALID); | |
a5073d60 YL |
2851 | roce_set_field(cq_context->byte_4_pg_ceqn, V2_CQC_BYTE_4_ARM_ST_M, |
2852 | V2_CQC_BYTE_4_ARM_ST_S, REG_NXT_CEQE); | |
93aa2187 | 2853 | roce_set_field(cq_context->byte_4_pg_ceqn, V2_CQC_BYTE_4_SHIFT_M, |
60262b10 | 2854 | V2_CQC_BYTE_4_SHIFT_S, ilog2(hr_cq->cq_depth)); |
93aa2187 | 2855 | roce_set_field(cq_context->byte_4_pg_ceqn, V2_CQC_BYTE_4_CEQN_M, |
e2b2744a | 2856 | V2_CQC_BYTE_4_CEQN_S, hr_cq->vector); |
93aa2187 WHX |
2857 | |
2858 | roce_set_field(cq_context->byte_8_cqn, V2_CQC_BYTE_8_CQN_M, | |
2859 | V2_CQC_BYTE_8_CQN_S, hr_cq->cqn); | |
2860 | ||
744b7bdf | 2861 | cq_context->cqe_cur_blk_addr = cpu_to_le32(to_hr_hw_page_addr(mtts[0])); |
93aa2187 WHX |
2862 | |
2863 | roce_set_field(cq_context->byte_16_hop_addr, | |
2864 | V2_CQC_BYTE_16_CQE_CUR_BLK_ADDR_M, | |
2865 | V2_CQC_BYTE_16_CQE_CUR_BLK_ADDR_S, | |
744b7bdf | 2866 | upper_32_bits(to_hr_hw_page_addr(mtts[0]))); |
93aa2187 WHX |
2867 | roce_set_field(cq_context->byte_16_hop_addr, |
2868 | V2_CQC_BYTE_16_CQE_HOP_NUM_M, | |
2869 | V2_CQC_BYTE_16_CQE_HOP_NUM_S, hr_dev->caps.cqe_hop_num == | |
2870 | HNS_ROCE_HOP_NUM_0 ? 0 : hr_dev->caps.cqe_hop_num); | |
2871 | ||
744b7bdf | 2872 | cq_context->cqe_nxt_blk_addr = cpu_to_le32(to_hr_hw_page_addr(mtts[1])); |
93aa2187 WHX |
2873 | roce_set_field(cq_context->byte_24_pgsz_addr, |
2874 | V2_CQC_BYTE_24_CQE_NXT_BLK_ADDR_M, | |
2875 | V2_CQC_BYTE_24_CQE_NXT_BLK_ADDR_S, | |
744b7bdf | 2876 | upper_32_bits(to_hr_hw_page_addr(mtts[1]))); |
93aa2187 WHX |
2877 | roce_set_field(cq_context->byte_24_pgsz_addr, |
2878 | V2_CQC_BYTE_24_CQE_BA_PG_SZ_M, | |
2879 | V2_CQC_BYTE_24_CQE_BA_PG_SZ_S, | |
744b7bdf | 2880 | to_hr_hw_page_shift(hr_cq->mtr.hem_cfg.ba_pg_shift)); |
93aa2187 WHX |
2881 | roce_set_field(cq_context->byte_24_pgsz_addr, |
2882 | V2_CQC_BYTE_24_CQE_BUF_PG_SZ_M, | |
2883 | V2_CQC_BYTE_24_CQE_BUF_PG_SZ_S, | |
744b7bdf | 2884 | to_hr_hw_page_shift(hr_cq->mtr.hem_cfg.buf_pg_shift)); |
93aa2187 | 2885 | |
bfe86035 | 2886 | cq_context->cqe_ba = cpu_to_le32(dma_handle >> 3); |
93aa2187 WHX |
2887 | |
2888 | roce_set_field(cq_context->byte_40_cqe_ba, V2_CQC_BYTE_40_CQE_BA_M, | |
2889 | V2_CQC_BYTE_40_CQE_BA_S, (dma_handle >> (32 + 3))); | |
a5073d60 | 2890 | |
05e6a5a6 LC |
2891 | roce_set_bit(cq_context->byte_44_db_record, |
2892 | V2_CQC_BYTE_44_DB_RECORD_EN_S, | |
2893 | (hr_cq->flags & HNS_ROCE_CQ_FLAG_RECORD_DB) ? 1 : 0); | |
9b44703d YL |
2894 | |
2895 | roce_set_field(cq_context->byte_44_db_record, | |
2896 | V2_CQC_BYTE_44_DB_RECORD_ADDR_M, | |
2897 | V2_CQC_BYTE_44_DB_RECORD_ADDR_S, | |
2898 | ((u32)hr_cq->db.dma) >> 1); | |
bfe86035 | 2899 | cq_context->db_record_addr = cpu_to_le32(hr_cq->db.dma >> 32); |
9b44703d | 2900 | |
a5073d60 YL |
2901 | roce_set_field(cq_context->byte_56_cqe_period_maxcnt, |
2902 | V2_CQC_BYTE_56_CQ_MAX_CNT_M, | |
2903 | V2_CQC_BYTE_56_CQ_MAX_CNT_S, | |
2904 | HNS_ROCE_V2_CQ_DEFAULT_BURST_NUM); | |
2905 | roce_set_field(cq_context->byte_56_cqe_period_maxcnt, | |
2906 | V2_CQC_BYTE_56_CQ_PERIOD_M, | |
2907 | V2_CQC_BYTE_56_CQ_PERIOD_S, | |
2908 | HNS_ROCE_V2_CQ_DEFAULT_INTERVAL); | |
93aa2187 WHX |
2909 | } |
2910 | ||
2911 | static int hns_roce_v2_req_notify_cq(struct ib_cq *ibcq, | |
2912 | enum ib_cq_notify_flags flags) | |
2913 | { | |
d3743fa9 | 2914 | struct hns_roce_dev *hr_dev = to_hr_dev(ibcq->device); |
93aa2187 WHX |
2915 | struct hns_roce_cq *hr_cq = to_hr_cq(ibcq); |
2916 | u32 notification_flag; | |
bfe86035 | 2917 | __le32 doorbell[2]; |
93aa2187 WHX |
2918 | |
2919 | doorbell[0] = 0; | |
2920 | doorbell[1] = 0; | |
2921 | ||
2922 | notification_flag = (flags & IB_CQ_SOLICITED_MASK) == IB_CQ_SOLICITED ? | |
2923 | V2_CQ_DB_REQ_NOT : V2_CQ_DB_REQ_NOT_SOL; | |
2924 | /* | |
2925 | * flags = 0; Notification Flag = 1, next | |
2926 | * flags = 1; Notification Flag = 0, solocited | |
2927 | */ | |
2928 | roce_set_field(doorbell[0], V2_CQ_DB_BYTE_4_TAG_M, V2_DB_BYTE_4_TAG_S, | |
2929 | hr_cq->cqn); | |
2930 | roce_set_field(doorbell[0], V2_CQ_DB_BYTE_4_CMD_M, V2_DB_BYTE_4_CMD_S, | |
2931 | HNS_ROCE_V2_CQ_DB_NTR); | |
2932 | roce_set_field(doorbell[1], V2_CQ_DB_PARAMETER_CONS_IDX_M, | |
25966e89 | 2933 | V2_CQ_DB_PARAMETER_CONS_IDX_S, hr_cq->cons_index); |
93aa2187 | 2934 | roce_set_field(doorbell[1], V2_CQ_DB_PARAMETER_CMD_SN_M, |
26beb85f | 2935 | V2_CQ_DB_PARAMETER_CMD_SN_S, hr_cq->arm_sn & 0x3); |
93aa2187 WHX |
2936 | roce_set_bit(doorbell[1], V2_CQ_DB_PARAMETER_NOTIFY_S, |
2937 | notification_flag); | |
2938 | ||
d3743fa9 | 2939 | hns_roce_write64(hr_dev, doorbell, hr_cq->cq_db_l); |
93aa2187 WHX |
2940 | |
2941 | return 0; | |
2942 | } | |
2943 | ||
0009c2db | 2944 | static int hns_roce_handle_recv_inl_wqe(struct hns_roce_v2_cqe *cqe, |
2945 | struct hns_roce_qp **cur_qp, | |
2946 | struct ib_wc *wc) | |
2947 | { | |
2948 | struct hns_roce_rinl_sge *sge_list; | |
2949 | u32 wr_num, wr_cnt, sge_num; | |
2950 | u32 sge_cnt, data_len, size; | |
2951 | void *wqe_buf; | |
2952 | ||
2953 | wr_num = roce_get_field(cqe->byte_4, V2_CQE_BYTE_4_WQE_INDX_M, | |
2954 | V2_CQE_BYTE_4_WQE_INDX_S) & 0xffff; | |
2955 | wr_cnt = wr_num & ((*cur_qp)->rq.wqe_cnt - 1); | |
2956 | ||
2957 | sge_list = (*cur_qp)->rq_inl_buf.wqe_list[wr_cnt].sg_list; | |
2958 | sge_num = (*cur_qp)->rq_inl_buf.wqe_list[wr_cnt].sge_cnt; | |
6c6e3921 | 2959 | wqe_buf = hns_roce_get_recv_wqe(*cur_qp, wr_cnt); |
0009c2db | 2960 | data_len = wc->byte_len; |
2961 | ||
2962 | for (sge_cnt = 0; (sge_cnt < sge_num) && (data_len); sge_cnt++) { | |
2963 | size = min(sge_list[sge_cnt].len, data_len); | |
2964 | memcpy((void *)sge_list[sge_cnt].addr, wqe_buf, size); | |
2965 | ||
2966 | data_len -= size; | |
2967 | wqe_buf += size; | |
2968 | } | |
2969 | ||
0db65709 | 2970 | if (unlikely(data_len)) { |
0009c2db | 2971 | wc->status = IB_WC_LOC_LEN_ERR; |
2972 | return -EAGAIN; | |
2973 | } | |
2974 | ||
2975 | return 0; | |
2976 | } | |
2977 | ||
626903e9 XW |
2978 | static int sw_comp(struct hns_roce_qp *hr_qp, struct hns_roce_wq *wq, |
2979 | int num_entries, struct ib_wc *wc) | |
2980 | { | |
2981 | unsigned int left; | |
2982 | int npolled = 0; | |
2983 | ||
2984 | left = wq->head - wq->tail; | |
2985 | if (left == 0) | |
2986 | return 0; | |
2987 | ||
2988 | left = min_t(unsigned int, (unsigned int)num_entries, left); | |
2989 | while (npolled < left) { | |
2990 | wc->wr_id = wq->wrid[wq->tail & (wq->wqe_cnt - 1)]; | |
2991 | wc->status = IB_WC_WR_FLUSH_ERR; | |
2992 | wc->vendor_err = 0; | |
2993 | wc->qp = &hr_qp->ibqp; | |
2994 | ||
2995 | wq->tail++; | |
2996 | wc++; | |
2997 | npolled++; | |
2998 | } | |
2999 | ||
3000 | return npolled; | |
3001 | } | |
3002 | ||
3003 | static int hns_roce_v2_sw_poll_cq(struct hns_roce_cq *hr_cq, int num_entries, | |
3004 | struct ib_wc *wc) | |
3005 | { | |
3006 | struct hns_roce_qp *hr_qp; | |
3007 | int npolled = 0; | |
3008 | ||
3009 | list_for_each_entry(hr_qp, &hr_cq->sq_list, sq_node) { | |
3010 | npolled += sw_comp(hr_qp, &hr_qp->sq, | |
3011 | num_entries - npolled, wc + npolled); | |
3012 | if (npolled >= num_entries) | |
3013 | goto out; | |
3014 | } | |
3015 | ||
3016 | list_for_each_entry(hr_qp, &hr_cq->rq_list, rq_node) { | |
3017 | npolled += sw_comp(hr_qp, &hr_qp->rq, | |
3018 | num_entries - npolled, wc + npolled); | |
3019 | if (npolled >= num_entries) | |
3020 | goto out; | |
3021 | } | |
3022 | ||
3023 | out: | |
3024 | return npolled; | |
3025 | } | |
3026 | ||
7c044adc LC |
3027 | static void get_cqe_status(struct hns_roce_dev *hr_dev, struct hns_roce_qp *qp, |
3028 | struct hns_roce_v2_cqe *cqe, struct ib_wc *wc) | |
3029 | { | |
3030 | static const struct { | |
3031 | u32 cqe_status; | |
3032 | enum ib_wc_status wc_status; | |
3033 | } map[] = { | |
3034 | { HNS_ROCE_CQE_V2_SUCCESS, IB_WC_SUCCESS }, | |
3035 | { HNS_ROCE_CQE_V2_LOCAL_LENGTH_ERR, IB_WC_LOC_LEN_ERR }, | |
3036 | { HNS_ROCE_CQE_V2_LOCAL_QP_OP_ERR, IB_WC_LOC_QP_OP_ERR }, | |
3037 | { HNS_ROCE_CQE_V2_LOCAL_PROT_ERR, IB_WC_LOC_PROT_ERR }, | |
3038 | { HNS_ROCE_CQE_V2_WR_FLUSH_ERR, IB_WC_WR_FLUSH_ERR }, | |
3039 | { HNS_ROCE_CQE_V2_MW_BIND_ERR, IB_WC_MW_BIND_ERR }, | |
3040 | { HNS_ROCE_CQE_V2_BAD_RESP_ERR, IB_WC_BAD_RESP_ERR }, | |
3041 | { HNS_ROCE_CQE_V2_LOCAL_ACCESS_ERR, IB_WC_LOC_ACCESS_ERR }, | |
3042 | { HNS_ROCE_CQE_V2_REMOTE_INVAL_REQ_ERR, IB_WC_REM_INV_REQ_ERR }, | |
3043 | { HNS_ROCE_CQE_V2_REMOTE_ACCESS_ERR, IB_WC_REM_ACCESS_ERR }, | |
3044 | { HNS_ROCE_CQE_V2_REMOTE_OP_ERR, IB_WC_REM_OP_ERR }, | |
3045 | { HNS_ROCE_CQE_V2_TRANSPORT_RETRY_EXC_ERR, | |
3046 | IB_WC_RETRY_EXC_ERR }, | |
3047 | { HNS_ROCE_CQE_V2_RNR_RETRY_EXC_ERR, IB_WC_RNR_RETRY_EXC_ERR }, | |
3048 | { HNS_ROCE_CQE_V2_REMOTE_ABORT_ERR, IB_WC_REM_ABORT_ERR }, | |
395f2e8f | 3049 | { HNS_ROCE_CQE_V2_GENERAL_ERR, IB_WC_GENERAL_ERR} |
7c044adc LC |
3050 | }; |
3051 | ||
3052 | u32 cqe_status = roce_get_field(cqe->byte_4, V2_CQE_BYTE_4_STATUS_M, | |
3053 | V2_CQE_BYTE_4_STATUS_S); | |
3054 | int i; | |
3055 | ||
3056 | wc->status = IB_WC_GENERAL_ERR; | |
3057 | for (i = 0; i < ARRAY_SIZE(map); i++) | |
3058 | if (cqe_status == map[i].cqe_status) { | |
3059 | wc->status = map[i].wc_status; | |
3060 | break; | |
3061 | } | |
3062 | ||
0db65709 LC |
3063 | if (likely(wc->status == IB_WC_SUCCESS || |
3064 | wc->status == IB_WC_WR_FLUSH_ERR)) | |
7c044adc LC |
3065 | return; |
3066 | ||
3067 | ibdev_err(&hr_dev->ib_dev, "error cqe status 0x%x:\n", cqe_status); | |
3068 | print_hex_dump(KERN_ERR, "", DUMP_PREFIX_NONE, 16, 4, cqe, | |
3069 | sizeof(*cqe), false); | |
3070 | ||
395f2e8f XW |
3071 | /* |
3072 | * For hns ROCEE, GENERAL_ERR is an error type that is not defined in | |
3073 | * the standard protocol, the driver must ignore it and needn't to set | |
3074 | * the QP to an error state. | |
3075 | */ | |
3076 | if (cqe_status == HNS_ROCE_CQE_V2_GENERAL_ERR) | |
3077 | return; | |
3078 | ||
7c044adc LC |
3079 | /* |
3080 | * Hip08 hardware cannot flush the WQEs in SQ/RQ if the QP state gets | |
3081 | * into errored mode. Hence, as a workaround to this hardware | |
3082 | * limitation, driver needs to assist in flushing. But the flushing | |
3083 | * operation uses mailbox to convey the QP state to the hardware and | |
3084 | * which can sleep due to the mutex protection around the mailbox calls. | |
3085 | * Hence, use the deferred flush for now. Once wc error detected, the | |
3086 | * flushing operation is needed. | |
3087 | */ | |
3088 | if (!test_and_set_bit(HNS_ROCE_FLUSH_FLAG, &qp->flush_flag)) | |
3089 | init_flush_work(hr_dev, qp); | |
3090 | } | |
3091 | ||
93aa2187 WHX |
3092 | static int hns_roce_v2_poll_one(struct hns_roce_cq *hr_cq, |
3093 | struct hns_roce_qp **cur_qp, struct ib_wc *wc) | |
3094 | { | |
b5374286 | 3095 | struct hns_roce_dev *hr_dev = to_hr_dev(hr_cq->ib_cq.device); |
c7bcb134 | 3096 | struct hns_roce_srq *srq = NULL; |
93aa2187 WHX |
3097 | struct hns_roce_v2_cqe *cqe; |
3098 | struct hns_roce_qp *hr_qp; | |
3099 | struct hns_roce_wq *wq; | |
3100 | int is_send; | |
3101 | u16 wqe_ctr; | |
3102 | u32 opcode; | |
93aa2187 | 3103 | int qpn; |
0009c2db | 3104 | int ret; |
93aa2187 WHX |
3105 | |
3106 | /* Find cqe according to consumer index */ | |
e4aaf4ba | 3107 | cqe = get_sw_cqe_v2(hr_cq, hr_cq->cons_index); |
93aa2187 WHX |
3108 | if (!cqe) |
3109 | return -EAGAIN; | |
3110 | ||
3111 | ++hr_cq->cons_index; | |
3112 | /* Memory barrier */ | |
3113 | rmb(); | |
3114 | ||
3115 | /* 0->SQ, 1->RQ */ | |
3116 | is_send = !roce_get_bit(cqe->byte_4, V2_CQE_BYTE_4_S_R_S); | |
3117 | ||
3118 | qpn = roce_get_field(cqe->byte_16, V2_CQE_BYTE_16_LCL_QPN_M, | |
3119 | V2_CQE_BYTE_16_LCL_QPN_S); | |
3120 | ||
3121 | if (!*cur_qp || (qpn & HNS_ROCE_V2_CQE_QPN_MASK) != (*cur_qp)->qpn) { | |
93aa2187 WHX |
3122 | hr_qp = __hns_roce_qp_lookup(hr_dev, qpn); |
3123 | if (unlikely(!hr_qp)) { | |
ae1c6148 LO |
3124 | ibdev_err(&hr_dev->ib_dev, |
3125 | "CQ %06lx with entry for unknown QPN %06x\n", | |
3126 | hr_cq->cqn, qpn & HNS_ROCE_V2_CQE_QPN_MASK); | |
93aa2187 WHX |
3127 | return -EINVAL; |
3128 | } | |
3129 | *cur_qp = hr_qp; | |
3130 | } | |
3131 | ||
3132 | wc->qp = &(*cur_qp)->ibqp; | |
3133 | wc->vendor_err = 0; | |
3134 | ||
c7bcb134 LO |
3135 | if (is_send) { |
3136 | wq = &(*cur_qp)->sq; | |
3137 | if ((*cur_qp)->sq_signal_bits) { | |
3138 | /* | |
3139 | * If sg_signal_bit is 1, | |
3140 | * firstly tail pointer updated to wqe | |
3141 | * which current cqe correspond to | |
3142 | */ | |
3143 | wqe_ctr = (u16)roce_get_field(cqe->byte_4, | |
3144 | V2_CQE_BYTE_4_WQE_INDX_M, | |
3145 | V2_CQE_BYTE_4_WQE_INDX_S); | |
3146 | wq->tail += (wqe_ctr - (u16)wq->tail) & | |
3147 | (wq->wqe_cnt - 1); | |
3148 | } | |
3149 | ||
3150 | wc->wr_id = wq->wrid[wq->tail & (wq->wqe_cnt - 1)]; | |
3151 | ++wq->tail; | |
3152 | } else if ((*cur_qp)->ibqp.srq) { | |
3153 | srq = to_hr_srq((*cur_qp)->ibqp.srq); | |
bfe86035 LC |
3154 | wqe_ctr = (u16)roce_get_field(cqe->byte_4, |
3155 | V2_CQE_BYTE_4_WQE_INDX_M, | |
3156 | V2_CQE_BYTE_4_WQE_INDX_S); | |
c7bcb134 LO |
3157 | wc->wr_id = srq->wrid[wqe_ctr]; |
3158 | hns_roce_free_srq_wqe(srq, wqe_ctr); | |
3159 | } else { | |
3160 | /* Update tail pointer, record wr_id */ | |
3161 | wq = &(*cur_qp)->rq; | |
3162 | wc->wr_id = wq->wrid[wq->tail & (wq->wqe_cnt - 1)]; | |
3163 | ++wq->tail; | |
3164 | } | |
3165 | ||
7c044adc | 3166 | get_cqe_status(hr_dev, *cur_qp, cqe, wc); |
0db65709 | 3167 | if (unlikely(wc->status != IB_WC_SUCCESS)) |
93aa2187 WHX |
3168 | return 0; |
3169 | ||
3170 | if (is_send) { | |
3171 | wc->wc_flags = 0; | |
3172 | /* SQ corresponding to CQE */ | |
3173 | switch (roce_get_field(cqe->byte_4, V2_CQE_BYTE_4_OPCODE_M, | |
3174 | V2_CQE_BYTE_4_OPCODE_S) & 0x1f) { | |
57005c96 | 3175 | case HNS_ROCE_V2_WQE_OP_SEND: |
93aa2187 WHX |
3176 | wc->opcode = IB_WC_SEND; |
3177 | break; | |
57005c96 | 3178 | case HNS_ROCE_V2_WQE_OP_SEND_WITH_INV: |
93aa2187 WHX |
3179 | wc->opcode = IB_WC_SEND; |
3180 | break; | |
57005c96 | 3181 | case HNS_ROCE_V2_WQE_OP_SEND_WITH_IMM: |
93aa2187 WHX |
3182 | wc->opcode = IB_WC_SEND; |
3183 | wc->wc_flags |= IB_WC_WITH_IMM; | |
3184 | break; | |
57005c96 | 3185 | case HNS_ROCE_V2_WQE_OP_RDMA_READ: |
93aa2187 WHX |
3186 | wc->opcode = IB_WC_RDMA_READ; |
3187 | wc->byte_len = le32_to_cpu(cqe->byte_cnt); | |
3188 | break; | |
57005c96 | 3189 | case HNS_ROCE_V2_WQE_OP_RDMA_WRITE: |
93aa2187 WHX |
3190 | wc->opcode = IB_WC_RDMA_WRITE; |
3191 | break; | |
57005c96 | 3192 | case HNS_ROCE_V2_WQE_OP_RDMA_WRITE_WITH_IMM: |
93aa2187 WHX |
3193 | wc->opcode = IB_WC_RDMA_WRITE; |
3194 | wc->wc_flags |= IB_WC_WITH_IMM; | |
3195 | break; | |
57005c96 | 3196 | case HNS_ROCE_V2_WQE_OP_LOCAL_INV: |
93aa2187 WHX |
3197 | wc->opcode = IB_WC_LOCAL_INV; |
3198 | wc->wc_flags |= IB_WC_WITH_INVALIDATE; | |
3199 | break; | |
57005c96 | 3200 | case HNS_ROCE_V2_WQE_OP_ATOM_CMP_AND_SWAP: |
93aa2187 WHX |
3201 | wc->opcode = IB_WC_COMP_SWAP; |
3202 | wc->byte_len = 8; | |
3203 | break; | |
57005c96 | 3204 | case HNS_ROCE_V2_WQE_OP_ATOM_FETCH_AND_ADD: |
93aa2187 WHX |
3205 | wc->opcode = IB_WC_FETCH_ADD; |
3206 | wc->byte_len = 8; | |
3207 | break; | |
57005c96 | 3208 | case HNS_ROCE_V2_WQE_OP_ATOM_MSK_CMP_AND_SWAP: |
93aa2187 WHX |
3209 | wc->opcode = IB_WC_MASKED_COMP_SWAP; |
3210 | wc->byte_len = 8; | |
3211 | break; | |
57005c96 | 3212 | case HNS_ROCE_V2_WQE_OP_ATOM_MSK_FETCH_AND_ADD: |
93aa2187 WHX |
3213 | wc->opcode = IB_WC_MASKED_FETCH_ADD; |
3214 | wc->byte_len = 8; | |
3215 | break; | |
57005c96 | 3216 | case HNS_ROCE_V2_WQE_OP_FAST_REG_PMR: |
93aa2187 WHX |
3217 | wc->opcode = IB_WC_REG_MR; |
3218 | break; | |
57005c96 | 3219 | case HNS_ROCE_V2_WQE_OP_BIND_MW: |
93aa2187 WHX |
3220 | wc->opcode = IB_WC_REG_MR; |
3221 | break; | |
3222 | default: | |
3223 | wc->status = IB_WC_GENERAL_ERR; | |
3224 | break; | |
3225 | } | |
93aa2187 WHX |
3226 | } else { |
3227 | /* RQ correspond to CQE */ | |
3228 | wc->byte_len = le32_to_cpu(cqe->byte_cnt); | |
3229 | ||
3230 | opcode = roce_get_field(cqe->byte_4, V2_CQE_BYTE_4_OPCODE_M, | |
3231 | V2_CQE_BYTE_4_OPCODE_S); | |
3232 | switch (opcode & 0x1f) { | |
3233 | case HNS_ROCE_V2_OPCODE_RDMA_WRITE_IMM: | |
3234 | wc->opcode = IB_WC_RECV_RDMA_WITH_IMM; | |
3235 | wc->wc_flags = IB_WC_WITH_IMM; | |
0c4a0e29 LO |
3236 | wc->ex.imm_data = |
3237 | cpu_to_be32(le32_to_cpu(cqe->immtdata)); | |
93aa2187 WHX |
3238 | break; |
3239 | case HNS_ROCE_V2_OPCODE_SEND: | |
3240 | wc->opcode = IB_WC_RECV; | |
3241 | wc->wc_flags = 0; | |
3242 | break; | |
3243 | case HNS_ROCE_V2_OPCODE_SEND_WITH_IMM: | |
3244 | wc->opcode = IB_WC_RECV; | |
3245 | wc->wc_flags = IB_WC_WITH_IMM; | |
0c4a0e29 LO |
3246 | wc->ex.imm_data = |
3247 | cpu_to_be32(le32_to_cpu(cqe->immtdata)); | |
93aa2187 WHX |
3248 | break; |
3249 | case HNS_ROCE_V2_OPCODE_SEND_WITH_INV: | |
3250 | wc->opcode = IB_WC_RECV; | |
3251 | wc->wc_flags = IB_WC_WITH_INVALIDATE; | |
ccb8a29e | 3252 | wc->ex.invalidate_rkey = le32_to_cpu(cqe->rkey); |
93aa2187 WHX |
3253 | break; |
3254 | default: | |
3255 | wc->status = IB_WC_GENERAL_ERR; | |
3256 | break; | |
3257 | } | |
3258 | ||
0009c2db | 3259 | if ((wc->qp->qp_type == IB_QPT_RC || |
3260 | wc->qp->qp_type == IB_QPT_UC) && | |
3261 | (opcode == HNS_ROCE_V2_OPCODE_SEND || | |
3262 | opcode == HNS_ROCE_V2_OPCODE_SEND_WITH_IMM || | |
3263 | opcode == HNS_ROCE_V2_OPCODE_SEND_WITH_INV) && | |
3264 | (roce_get_bit(cqe->byte_4, V2_CQE_BYTE_4_RQ_INLINE_S))) { | |
3265 | ret = hns_roce_handle_recv_inl_wqe(cqe, cur_qp, wc); | |
0db65709 | 3266 | if (unlikely(ret)) |
0009c2db | 3267 | return -EAGAIN; |
3268 | } | |
3269 | ||
93aa2187 WHX |
3270 | wc->sl = (u8)roce_get_field(cqe->byte_32, V2_CQE_BYTE_32_SL_M, |
3271 | V2_CQE_BYTE_32_SL_S); | |
3272 | wc->src_qp = (u8)roce_get_field(cqe->byte_32, | |
3273 | V2_CQE_BYTE_32_RMT_QPN_M, | |
3274 | V2_CQE_BYTE_32_RMT_QPN_S); | |
15fc056f | 3275 | wc->slid = 0; |
93aa2187 WHX |
3276 | wc->wc_flags |= (roce_get_bit(cqe->byte_32, |
3277 | V2_CQE_BYTE_32_GRH_S) ? | |
3278 | IB_WC_GRH : 0); | |
6c1f08b3 | 3279 | wc->port_num = roce_get_field(cqe->byte_32, |
3280 | V2_CQE_BYTE_32_PORTN_M, V2_CQE_BYTE_32_PORTN_S); | |
3281 | wc->pkey_index = 0; | |
cd4a70bb | 3282 | |
944e6409 LO |
3283 | if (roce_get_bit(cqe->byte_28, V2_CQE_BYTE_28_VID_VLD_S)) { |
3284 | wc->vlan_id = (u16)roce_get_field(cqe->byte_28, | |
3285 | V2_CQE_BYTE_28_VID_M, | |
3286 | V2_CQE_BYTE_28_VID_S); | |
0e1aa6f0 | 3287 | wc->wc_flags |= IB_WC_WITH_VLAN; |
944e6409 LO |
3288 | } else { |
3289 | wc->vlan_id = 0xffff; | |
3290 | } | |
3291 | ||
2eade675 | 3292 | wc->network_hdr_type = roce_get_field(cqe->byte_28, |
3293 | V2_CQE_BYTE_28_PORT_TYPE_M, | |
3294 | V2_CQE_BYTE_28_PORT_TYPE_S); | |
93aa2187 WHX |
3295 | } |
3296 | ||
3297 | return 0; | |
3298 | } | |
3299 | ||
3300 | static int hns_roce_v2_poll_cq(struct ib_cq *ibcq, int num_entries, | |
3301 | struct ib_wc *wc) | |
3302 | { | |
626903e9 | 3303 | struct hns_roce_dev *hr_dev = to_hr_dev(ibcq->device); |
93aa2187 WHX |
3304 | struct hns_roce_cq *hr_cq = to_hr_cq(ibcq); |
3305 | struct hns_roce_qp *cur_qp = NULL; | |
3306 | unsigned long flags; | |
3307 | int npolled; | |
3308 | ||
3309 | spin_lock_irqsave(&hr_cq->lock, flags); | |
3310 | ||
626903e9 XW |
3311 | /* |
3312 | * When the device starts to reset, the state is RST_DOWN. At this time, | |
3313 | * there may still be some valid CQEs in the hardware that are not | |
3314 | * polled. Therefore, it is not allowed to switch to the software mode | |
3315 | * immediately. When the state changes to UNINIT, CQE no longer exists | |
3316 | * in the hardware, and then switch to software mode. | |
3317 | */ | |
3318 | if (hr_dev->state == HNS_ROCE_DEVICE_STATE_UNINIT) { | |
3319 | npolled = hns_roce_v2_sw_poll_cq(hr_cq, num_entries, wc); | |
3320 | goto out; | |
3321 | } | |
3322 | ||
93aa2187 WHX |
3323 | for (npolled = 0; npolled < num_entries; ++npolled) { |
3324 | if (hns_roce_v2_poll_one(hr_cq, &cur_qp, wc + npolled)) | |
3325 | break; | |
3326 | } | |
3327 | ||
3328 | if (npolled) { | |
3329 | /* Memory barrier */ | |
3330 | wmb(); | |
3331 | hns_roce_v2_cq_set_ci(hr_cq, hr_cq->cons_index); | |
3332 | } | |
3333 | ||
626903e9 | 3334 | out: |
93aa2187 WHX |
3335 | spin_unlock_irqrestore(&hr_cq->lock, flags); |
3336 | ||
3337 | return npolled; | |
3338 | } | |
3339 | ||
260c3b34 YL |
3340 | static int get_op_for_set_hem(struct hns_roce_dev *hr_dev, u32 type, |
3341 | int step_idx) | |
3342 | { | |
3343 | int op; | |
3344 | ||
3345 | if (type == HEM_TYPE_SCCC && step_idx) | |
3346 | return -EINVAL; | |
3347 | ||
3348 | switch (type) { | |
3349 | case HEM_TYPE_QPC: | |
3350 | op = HNS_ROCE_CMD_WRITE_QPC_BT0; | |
3351 | break; | |
3352 | case HEM_TYPE_MTPT: | |
3353 | op = HNS_ROCE_CMD_WRITE_MPT_BT0; | |
3354 | break; | |
3355 | case HEM_TYPE_CQC: | |
3356 | op = HNS_ROCE_CMD_WRITE_CQC_BT0; | |
3357 | break; | |
3358 | case HEM_TYPE_SRQC: | |
3359 | op = HNS_ROCE_CMD_WRITE_SRQC_BT0; | |
3360 | break; | |
3361 | case HEM_TYPE_SCCC: | |
3362 | op = HNS_ROCE_CMD_WRITE_SCCC_BT0; | |
3363 | break; | |
3364 | case HEM_TYPE_QPC_TIMER: | |
3365 | op = HNS_ROCE_CMD_WRITE_QPC_TIMER_BT0; | |
3366 | break; | |
3367 | case HEM_TYPE_CQC_TIMER: | |
3368 | op = HNS_ROCE_CMD_WRITE_CQC_TIMER_BT0; | |
3369 | break; | |
3370 | default: | |
3371 | dev_warn(hr_dev->dev, | |
3372 | "Table %d not to be written by mailbox!\n", type); | |
3373 | return -EINVAL; | |
3374 | } | |
3375 | ||
3376 | return op + step_idx; | |
3377 | } | |
3378 | ||
cdc1f3e9 WL |
3379 | static int set_hem_to_hw(struct hns_roce_dev *hr_dev, int obj, u64 bt_ba, |
3380 | u32 hem_type, int step_idx) | |
3381 | { | |
3382 | struct hns_roce_cmd_mailbox *mailbox; | |
3383 | int ret; | |
3384 | int op; | |
3385 | ||
3386 | op = get_op_for_set_hem(hr_dev, hem_type, step_idx); | |
3387 | if (op < 0) | |
3388 | return 0; | |
3389 | ||
3390 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
3391 | if (IS_ERR(mailbox)) | |
3392 | return PTR_ERR(mailbox); | |
3393 | ||
3394 | ret = hns_roce_cmd_mbox(hr_dev, bt_ba, mailbox->dma, obj, | |
3395 | 0, op, HNS_ROCE_CMD_TIMEOUT_MSECS); | |
3396 | ||
3397 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
3398 | ||
3399 | return ret; | |
3400 | } | |
3401 | ||
a81fba28 WHX |
3402 | static int hns_roce_v2_set_hem(struct hns_roce_dev *hr_dev, |
3403 | struct hns_roce_hem_table *table, int obj, | |
3404 | int step_idx) | |
3405 | { | |
a81fba28 WHX |
3406 | struct hns_roce_hem_iter iter; |
3407 | struct hns_roce_hem_mhop mhop; | |
3408 | struct hns_roce_hem *hem; | |
3409 | unsigned long mhop_obj = obj; | |
3410 | int i, j, k; | |
3411 | int ret = 0; | |
3412 | u64 hem_idx = 0; | |
3413 | u64 l1_idx = 0; | |
3414 | u64 bt_ba = 0; | |
3415 | u32 chunk_ba_num; | |
3416 | u32 hop_num; | |
a81fba28 WHX |
3417 | |
3418 | if (!hns_roce_check_whether_mhop(hr_dev, table->type)) | |
3419 | return 0; | |
3420 | ||
3421 | hns_roce_calc_hem_mhop(hr_dev, table, &mhop_obj, &mhop); | |
3422 | i = mhop.l0_idx; | |
3423 | j = mhop.l1_idx; | |
3424 | k = mhop.l2_idx; | |
3425 | hop_num = mhop.hop_num; | |
3426 | chunk_ba_num = mhop.bt_chunk_size / 8; | |
3427 | ||
3428 | if (hop_num == 2) { | |
3429 | hem_idx = i * chunk_ba_num * chunk_ba_num + j * chunk_ba_num + | |
3430 | k; | |
3431 | l1_idx = i * chunk_ba_num + j; | |
3432 | } else if (hop_num == 1) { | |
3433 | hem_idx = i * chunk_ba_num + j; | |
3434 | } else if (hop_num == HNS_ROCE_HOP_NUM_0) { | |
3435 | hem_idx = i; | |
3436 | } | |
3437 | ||
6ac16e40 YL |
3438 | if (table->type == HEM_TYPE_SCCC) |
3439 | obj = mhop.l0_idx; | |
3440 | ||
a81fba28 WHX |
3441 | if (check_whether_last_step(hop_num, step_idx)) { |
3442 | hem = table->hem[hem_idx]; | |
3443 | for (hns_roce_hem_first(hem, &iter); | |
3444 | !hns_roce_hem_last(&iter); hns_roce_hem_next(&iter)) { | |
3445 | bt_ba = hns_roce_hem_addr(&iter); | |
cdc1f3e9 WL |
3446 | ret = set_hem_to_hw(hr_dev, obj, bt_ba, table->type, |
3447 | step_idx); | |
a81fba28 WHX |
3448 | } |
3449 | } else { | |
3450 | if (step_idx == 0) | |
3451 | bt_ba = table->bt_l0_dma_addr[i]; | |
3452 | else if (step_idx == 1 && hop_num == 2) | |
3453 | bt_ba = table->bt_l1_dma_addr[l1_idx]; | |
3454 | ||
cdc1f3e9 | 3455 | ret = set_hem_to_hw(hr_dev, obj, bt_ba, table->type, step_idx); |
a81fba28 WHX |
3456 | } |
3457 | ||
a81fba28 WHX |
3458 | return ret; |
3459 | } | |
3460 | ||
3461 | static int hns_roce_v2_clear_hem(struct hns_roce_dev *hr_dev, | |
3462 | struct hns_roce_hem_table *table, int obj, | |
3463 | int step_idx) | |
3464 | { | |
3465 | struct device *dev = hr_dev->dev; | |
3466 | struct hns_roce_cmd_mailbox *mailbox; | |
617cf24f | 3467 | int ret; |
a81fba28 WHX |
3468 | u16 op = 0xff; |
3469 | ||
3470 | if (!hns_roce_check_whether_mhop(hr_dev, table->type)) | |
3471 | return 0; | |
3472 | ||
3473 | switch (table->type) { | |
3474 | case HEM_TYPE_QPC: | |
3475 | op = HNS_ROCE_CMD_DESTROY_QPC_BT0; | |
3476 | break; | |
3477 | case HEM_TYPE_MTPT: | |
3478 | op = HNS_ROCE_CMD_DESTROY_MPT_BT0; | |
3479 | break; | |
3480 | case HEM_TYPE_CQC: | |
3481 | op = HNS_ROCE_CMD_DESTROY_CQC_BT0; | |
3482 | break; | |
6a157f7d | 3483 | case HEM_TYPE_SCCC: |
0e40dc2f YL |
3484 | case HEM_TYPE_QPC_TIMER: |
3485 | case HEM_TYPE_CQC_TIMER: | |
6a157f7d | 3486 | break; |
a81fba28 WHX |
3487 | case HEM_TYPE_SRQC: |
3488 | op = HNS_ROCE_CMD_DESTROY_SRQC_BT0; | |
3489 | break; | |
3490 | default: | |
3491 | dev_warn(dev, "Table %d not to be destroyed by mailbox!\n", | |
3492 | table->type); | |
3493 | return 0; | |
3494 | } | |
6a157f7d | 3495 | |
0e40dc2f YL |
3496 | if (table->type == HEM_TYPE_SCCC || |
3497 | table->type == HEM_TYPE_QPC_TIMER || | |
3498 | table->type == HEM_TYPE_CQC_TIMER) | |
6a157f7d YL |
3499 | return 0; |
3500 | ||
a81fba28 WHX |
3501 | op += step_idx; |
3502 | ||
3503 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
3504 | if (IS_ERR(mailbox)) | |
3505 | return PTR_ERR(mailbox); | |
3506 | ||
3507 | /* configure the tag and op */ | |
3508 | ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, obj, 0, op, | |
3509 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
3510 | ||
3511 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
3512 | return ret; | |
3513 | } | |
3514 | ||
926a01dc | 3515 | static int hns_roce_v2_qp_modify(struct hns_roce_dev *hr_dev, |
926a01dc WHX |
3516 | struct hns_roce_v2_qp_context *context, |
3517 | struct hns_roce_qp *hr_qp) | |
3518 | { | |
3519 | struct hns_roce_cmd_mailbox *mailbox; | |
3520 | int ret; | |
3521 | ||
3522 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
3523 | if (IS_ERR(mailbox)) | |
3524 | return PTR_ERR(mailbox); | |
3525 | ||
3526 | memcpy(mailbox->buf, context, sizeof(*context) * 2); | |
3527 | ||
3528 | ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, hr_qp->qpn, 0, | |
3529 | HNS_ROCE_CMD_MODIFY_QPC, | |
3530 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
3531 | ||
3532 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
3533 | ||
3534 | return ret; | |
3535 | } | |
3536 | ||
ace1c541 | 3537 | static void set_access_flags(struct hns_roce_qp *hr_qp, |
3538 | struct hns_roce_v2_qp_context *context, | |
3539 | struct hns_roce_v2_qp_context *qpc_mask, | |
3540 | const struct ib_qp_attr *attr, int attr_mask) | |
3541 | { | |
3542 | u8 dest_rd_atomic; | |
3543 | u32 access_flags; | |
3544 | ||
c2799119 | 3545 | dest_rd_atomic = (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) ? |
ace1c541 | 3546 | attr->max_dest_rd_atomic : hr_qp->resp_depth; |
3547 | ||
c2799119 | 3548 | access_flags = (attr_mask & IB_QP_ACCESS_FLAGS) ? |
ace1c541 | 3549 | attr->qp_access_flags : hr_qp->atomic_rd_en; |
3550 | ||
3551 | if (!dest_rd_atomic) | |
3552 | access_flags &= IB_ACCESS_REMOTE_WRITE; | |
3553 | ||
3554 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RRE_S, | |
3555 | !!(access_flags & IB_ACCESS_REMOTE_READ)); | |
3556 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_RRE_S, 0); | |
3557 | ||
3558 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RWE_S, | |
3559 | !!(access_flags & IB_ACCESS_REMOTE_WRITE)); | |
3560 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_RWE_S, 0); | |
3561 | ||
3562 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_ATE_S, | |
3563 | !!(access_flags & IB_ACCESS_REMOTE_ATOMIC)); | |
3564 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_ATE_S, 0); | |
7db82697 JZ |
3565 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_EXT_ATE_S, |
3566 | !!(access_flags & IB_ACCESS_REMOTE_ATOMIC)); | |
3567 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_EXT_ATE_S, 0); | |
ace1c541 | 3568 | } |
3569 | ||
99441ab5 XW |
3570 | static void set_qpc_wqe_cnt(struct hns_roce_qp *hr_qp, |
3571 | struct hns_roce_v2_qp_context *context, | |
3572 | struct hns_roce_v2_qp_context *qpc_mask) | |
3573 | { | |
54d66387 XW |
3574 | roce_set_field(context->byte_4_sqpn_tst, |
3575 | V2_QPC_BYTE_4_SGE_SHIFT_M, V2_QPC_BYTE_4_SGE_SHIFT_S, | |
3576 | to_hr_hem_entries_shift(hr_qp->sge.sge_cnt, | |
3577 | hr_qp->sge.sge_shift)); | |
99441ab5 | 3578 | |
99441ab5 XW |
3579 | roce_set_field(context->byte_20_smac_sgid_idx, |
3580 | V2_QPC_BYTE_20_SQ_SHIFT_M, V2_QPC_BYTE_20_SQ_SHIFT_S, | |
54d66387 | 3581 | ilog2(hr_qp->sq.wqe_cnt)); |
99441ab5 XW |
3582 | |
3583 | roce_set_field(context->byte_20_smac_sgid_idx, | |
3584 | V2_QPC_BYTE_20_RQ_SHIFT_M, V2_QPC_BYTE_20_RQ_SHIFT_S, | |
54d66387 | 3585 | ilog2(hr_qp->rq.wqe_cnt)); |
99441ab5 XW |
3586 | } |
3587 | ||
926a01dc WHX |
3588 | static void modify_qp_reset_to_init(struct ib_qp *ibqp, |
3589 | const struct ib_qp_attr *attr, | |
0fa95a9a | 3590 | int attr_mask, |
926a01dc WHX |
3591 | struct hns_roce_v2_qp_context *context, |
3592 | struct hns_roce_v2_qp_context *qpc_mask) | |
3593 | { | |
ecaaf1e2 | 3594 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); |
926a01dc WHX |
3595 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); |
3596 | ||
3597 | /* | |
3598 | * In v2 engine, software pass context and context mask to hardware | |
3599 | * when modifying qp. If software need modify some fields in context, | |
3600 | * we should set all bits of the relevant fields in context mask to | |
3601 | * 0 at the same time, else set them to 0x1. | |
3602 | */ | |
3603 | roce_set_field(context->byte_4_sqpn_tst, V2_QPC_BYTE_4_TST_M, | |
3604 | V2_QPC_BYTE_4_TST_S, to_hr_qp_type(hr_qp->ibqp.qp_type)); | |
926a01dc | 3605 | |
926a01dc WHX |
3606 | roce_set_field(context->byte_4_sqpn_tst, V2_QPC_BYTE_4_SQPN_M, |
3607 | V2_QPC_BYTE_4_SQPN_S, hr_qp->qpn); | |
926a01dc WHX |
3608 | |
3609 | roce_set_field(context->byte_16_buf_ba_pg_sz, V2_QPC_BYTE_16_PD_M, | |
3610 | V2_QPC_BYTE_16_PD_S, to_hr_pd(ibqp->pd)->pdn); | |
926a01dc WHX |
3611 | |
3612 | roce_set_field(context->byte_20_smac_sgid_idx, V2_QPC_BYTE_20_RQWS_M, | |
3613 | V2_QPC_BYTE_20_RQWS_S, ilog2(hr_qp->rq.max_gs)); | |
926a01dc | 3614 | |
99441ab5 | 3615 | set_qpc_wqe_cnt(hr_qp, context, qpc_mask); |
926a01dc WHX |
3616 | |
3617 | /* No VLAN need to set 0xFFF */ | |
c8e46f8d LO |
3618 | roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_VLAN_ID_M, |
3619 | V2_QPC_BYTE_24_VLAN_ID_S, 0xfff); | |
926a01dc | 3620 | |
90ae0b57 | 3621 | if (hr_qp->en_flags & HNS_ROCE_QP_CAP_RQ_RECORD_DB) |
e088a685 YL |
3622 | roce_set_bit(context->byte_68_rq_db, |
3623 | V2_QPC_BYTE_68_RQ_RECORD_EN_S, 1); | |
e088a685 YL |
3624 | |
3625 | roce_set_field(context->byte_68_rq_db, | |
3626 | V2_QPC_BYTE_68_RQ_DB_RECORD_ADDR_M, | |
3627 | V2_QPC_BYTE_68_RQ_DB_RECORD_ADDR_S, | |
3628 | ((u32)hr_qp->rdb.dma) >> 1); | |
bfe86035 | 3629 | context->rq_db_record_addr = cpu_to_le32(hr_qp->rdb.dma >> 32); |
e088a685 | 3630 | |
ecaaf1e2 | 3631 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RQIE_S, |
3632 | (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RQ_INLINE) ? 1 : 0); | |
926a01dc WHX |
3633 | |
3634 | roce_set_field(context->byte_80_rnr_rx_cqn, V2_QPC_BYTE_80_RX_CQN_M, | |
3635 | V2_QPC_BYTE_80_RX_CQN_S, to_hr_cq(ibqp->recv_cq)->cqn); | |
926a01dc WHX |
3636 | if (ibqp->srq) { |
3637 | roce_set_field(context->byte_76_srqn_op_en, | |
3638 | V2_QPC_BYTE_76_SRQN_M, V2_QPC_BYTE_76_SRQN_S, | |
3639 | to_hr_srq(ibqp->srq)->srqn); | |
926a01dc WHX |
3640 | roce_set_bit(context->byte_76_srqn_op_en, |
3641 | V2_QPC_BYTE_76_SRQ_EN_S, 1); | |
f4c5d869 | 3642 | } |
926a01dc WHX |
3643 | |
3644 | roce_set_field(context->byte_172_sq_psn, V2_QPC_BYTE_172_ACK_REQ_FREQ_M, | |
3645 | V2_QPC_BYTE_172_ACK_REQ_FREQ_S, 4); | |
926a01dc | 3646 | |
68a997c5 | 3647 | roce_set_bit(context->byte_172_sq_psn, V2_QPC_BYTE_172_FRE_S, 1); |
926a01dc WHX |
3648 | |
3649 | hr_qp->access_flags = attr->qp_access_flags; | |
926a01dc WHX |
3650 | roce_set_field(context->byte_252_err_txcqn, V2_QPC_BYTE_252_TX_CQN_M, |
3651 | V2_QPC_BYTE_252_TX_CQN_S, to_hr_cq(ibqp->send_cq)->cqn); | |
926a01dc WHX |
3652 | } |
3653 | ||
3654 | static void modify_qp_init_to_init(struct ib_qp *ibqp, | |
3655 | const struct ib_qp_attr *attr, int attr_mask, | |
3656 | struct hns_roce_v2_qp_context *context, | |
3657 | struct hns_roce_v2_qp_context *qpc_mask) | |
3658 | { | |
3659 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
3660 | ||
3661 | /* | |
3662 | * In v2 engine, software pass context and context mask to hardware | |
3663 | * when modifying qp. If software need modify some fields in context, | |
3664 | * we should set all bits of the relevant fields in context mask to | |
3665 | * 0 at the same time, else set them to 0x1. | |
3666 | */ | |
3667 | roce_set_field(context->byte_4_sqpn_tst, V2_QPC_BYTE_4_TST_M, | |
3668 | V2_QPC_BYTE_4_TST_S, to_hr_qp_type(hr_qp->ibqp.qp_type)); | |
3669 | roce_set_field(qpc_mask->byte_4_sqpn_tst, V2_QPC_BYTE_4_TST_M, | |
3670 | V2_QPC_BYTE_4_TST_S, 0); | |
3671 | ||
926a01dc WHX |
3672 | if (attr_mask & IB_QP_ACCESS_FLAGS) { |
3673 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RRE_S, | |
3674 | !!(attr->qp_access_flags & IB_ACCESS_REMOTE_READ)); | |
3675 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_RRE_S, | |
3676 | 0); | |
3677 | ||
3678 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RWE_S, | |
3679 | !!(attr->qp_access_flags & | |
3680 | IB_ACCESS_REMOTE_WRITE)); | |
3681 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_RWE_S, | |
3682 | 0); | |
3683 | ||
3684 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_ATE_S, | |
3685 | !!(attr->qp_access_flags & | |
3686 | IB_ACCESS_REMOTE_ATOMIC)); | |
3687 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_ATE_S, | |
3688 | 0); | |
7db82697 JZ |
3689 | roce_set_bit(context->byte_76_srqn_op_en, |
3690 | V2_QPC_BYTE_76_EXT_ATE_S, | |
3691 | !!(attr->qp_access_flags & | |
3692 | IB_ACCESS_REMOTE_ATOMIC)); | |
3693 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, | |
3694 | V2_QPC_BYTE_76_EXT_ATE_S, 0); | |
926a01dc WHX |
3695 | } else { |
3696 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RRE_S, | |
3697 | !!(hr_qp->access_flags & IB_ACCESS_REMOTE_READ)); | |
3698 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_RRE_S, | |
3699 | 0); | |
3700 | ||
3701 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_RWE_S, | |
3702 | !!(hr_qp->access_flags & IB_ACCESS_REMOTE_WRITE)); | |
3703 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_RWE_S, | |
3704 | 0); | |
3705 | ||
3706 | roce_set_bit(context->byte_76_srqn_op_en, V2_QPC_BYTE_76_ATE_S, | |
3707 | !!(hr_qp->access_flags & IB_ACCESS_REMOTE_ATOMIC)); | |
3708 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, V2_QPC_BYTE_76_ATE_S, | |
3709 | 0); | |
7db82697 JZ |
3710 | roce_set_bit(context->byte_76_srqn_op_en, |
3711 | V2_QPC_BYTE_76_EXT_ATE_S, | |
3712 | !!(hr_qp->access_flags & IB_ACCESS_REMOTE_ATOMIC)); | |
3713 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, | |
3714 | V2_QPC_BYTE_76_EXT_ATE_S, 0); | |
926a01dc WHX |
3715 | } |
3716 | ||
926a01dc WHX |
3717 | roce_set_field(context->byte_16_buf_ba_pg_sz, V2_QPC_BYTE_16_PD_M, |
3718 | V2_QPC_BYTE_16_PD_S, to_hr_pd(ibqp->pd)->pdn); | |
3719 | roce_set_field(qpc_mask->byte_16_buf_ba_pg_sz, V2_QPC_BYTE_16_PD_M, | |
3720 | V2_QPC_BYTE_16_PD_S, 0); | |
3721 | ||
3722 | roce_set_field(context->byte_80_rnr_rx_cqn, V2_QPC_BYTE_80_RX_CQN_M, | |
3723 | V2_QPC_BYTE_80_RX_CQN_S, to_hr_cq(ibqp->recv_cq)->cqn); | |
3724 | roce_set_field(qpc_mask->byte_80_rnr_rx_cqn, V2_QPC_BYTE_80_RX_CQN_M, | |
3725 | V2_QPC_BYTE_80_RX_CQN_S, 0); | |
3726 | ||
3727 | roce_set_field(context->byte_252_err_txcqn, V2_QPC_BYTE_252_TX_CQN_M, | |
6d13b869 | 3728 | V2_QPC_BYTE_252_TX_CQN_S, to_hr_cq(ibqp->send_cq)->cqn); |
926a01dc WHX |
3729 | roce_set_field(qpc_mask->byte_252_err_txcqn, V2_QPC_BYTE_252_TX_CQN_M, |
3730 | V2_QPC_BYTE_252_TX_CQN_S, 0); | |
3731 | ||
3732 | if (ibqp->srq) { | |
3733 | roce_set_bit(context->byte_76_srqn_op_en, | |
3734 | V2_QPC_BYTE_76_SRQ_EN_S, 1); | |
3735 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, | |
3736 | V2_QPC_BYTE_76_SRQ_EN_S, 0); | |
3737 | roce_set_field(context->byte_76_srqn_op_en, | |
3738 | V2_QPC_BYTE_76_SRQN_M, V2_QPC_BYTE_76_SRQN_S, | |
3739 | to_hr_srq(ibqp->srq)->srqn); | |
3740 | roce_set_field(qpc_mask->byte_76_srqn_op_en, | |
3741 | V2_QPC_BYTE_76_SRQN_M, V2_QPC_BYTE_76_SRQN_S, 0); | |
3742 | } | |
3743 | ||
926a01dc WHX |
3744 | roce_set_field(context->byte_4_sqpn_tst, V2_QPC_BYTE_4_SQPN_M, |
3745 | V2_QPC_BYTE_4_SQPN_S, hr_qp->qpn); | |
3746 | roce_set_field(qpc_mask->byte_4_sqpn_tst, V2_QPC_BYTE_4_SQPN_M, | |
3747 | V2_QPC_BYTE_4_SQPN_S, 0); | |
3748 | ||
b6dd9b34 | 3749 | if (attr_mask & IB_QP_DEST_QPN) { |
3750 | roce_set_field(context->byte_56_dqpn_err, V2_QPC_BYTE_56_DQPN_M, | |
3751 | V2_QPC_BYTE_56_DQPN_S, hr_qp->qpn); | |
3752 | roce_set_field(qpc_mask->byte_56_dqpn_err, | |
3753 | V2_QPC_BYTE_56_DQPN_M, V2_QPC_BYTE_56_DQPN_S, 0); | |
3754 | } | |
926a01dc WHX |
3755 | } |
3756 | ||
494c3b31 XW |
3757 | static int config_qp_rq_buf(struct hns_roce_dev *hr_dev, |
3758 | struct hns_roce_qp *hr_qp, | |
3759 | struct hns_roce_v2_qp_context *context, | |
3760 | struct hns_roce_v2_qp_context *qpc_mask) | |
926a01dc | 3761 | { |
8d18ad83 | 3762 | u64 mtts[MTT_MIN_COUNT] = { 0 }; |
8d18ad83 | 3763 | u64 wqe_sge_ba; |
8d18ad83 | 3764 | int count; |
926a01dc WHX |
3765 | |
3766 | /* Search qp buf's mtts */ | |
cc33b23e | 3767 | count = hns_roce_mtr_find(hr_dev, &hr_qp->mtr, hr_qp->rq.offset, mtts, |
8d18ad83 | 3768 | MTT_MIN_COUNT, &wqe_sge_ba); |
cc33b23e XW |
3769 | if (hr_qp->rq.wqe_cnt && count < 1) { |
3770 | ibdev_err(&hr_dev->ib_dev, | |
3771 | "failed to find RQ WQE, QPN = 0x%lx.\n", hr_qp->qpn); | |
3772 | return -EINVAL; | |
3773 | } | |
926a01dc | 3774 | |
bfe86035 | 3775 | context->wqe_sge_ba = cpu_to_le32(wqe_sge_ba >> 3); |
926a01dc WHX |
3776 | qpc_mask->wqe_sge_ba = 0; |
3777 | ||
3778 | /* | |
3779 | * In v2 engine, software pass context and context mask to hardware | |
3780 | * when modifying qp. If software need modify some fields in context, | |
3781 | * we should set all bits of the relevant fields in context mask to | |
3782 | * 0 at the same time, else set them to 0x1. | |
3783 | */ | |
3784 | roce_set_field(context->byte_12_sq_hop, V2_QPC_BYTE_12_WQE_SGE_BA_M, | |
8d18ad83 | 3785 | V2_QPC_BYTE_12_WQE_SGE_BA_S, wqe_sge_ba >> (32 + 3)); |
926a01dc WHX |
3786 | roce_set_field(qpc_mask->byte_12_sq_hop, V2_QPC_BYTE_12_WQE_SGE_BA_M, |
3787 | V2_QPC_BYTE_12_WQE_SGE_BA_S, 0); | |
3788 | ||
3789 | roce_set_field(context->byte_12_sq_hop, V2_QPC_BYTE_12_SQ_HOP_NUM_M, | |
3790 | V2_QPC_BYTE_12_SQ_HOP_NUM_S, | |
54d66387 XW |
3791 | to_hr_hem_hopnum(hr_dev->caps.wqe_sq_hop_num, |
3792 | hr_qp->sq.wqe_cnt)); | |
926a01dc WHX |
3793 | roce_set_field(qpc_mask->byte_12_sq_hop, V2_QPC_BYTE_12_SQ_HOP_NUM_M, |
3794 | V2_QPC_BYTE_12_SQ_HOP_NUM_S, 0); | |
3795 | ||
3796 | roce_set_field(context->byte_20_smac_sgid_idx, | |
3797 | V2_QPC_BYTE_20_SGE_HOP_NUM_M, | |
3798 | V2_QPC_BYTE_20_SGE_HOP_NUM_S, | |
54d66387 XW |
3799 | to_hr_hem_hopnum(hr_dev->caps.wqe_sge_hop_num, |
3800 | hr_qp->sge.sge_cnt)); | |
926a01dc WHX |
3801 | roce_set_field(qpc_mask->byte_20_smac_sgid_idx, |
3802 | V2_QPC_BYTE_20_SGE_HOP_NUM_M, | |
3803 | V2_QPC_BYTE_20_SGE_HOP_NUM_S, 0); | |
3804 | ||
3805 | roce_set_field(context->byte_20_smac_sgid_idx, | |
3806 | V2_QPC_BYTE_20_RQ_HOP_NUM_M, | |
3807 | V2_QPC_BYTE_20_RQ_HOP_NUM_S, | |
54d66387 XW |
3808 | to_hr_hem_hopnum(hr_dev->caps.wqe_rq_hop_num, |
3809 | hr_qp->rq.wqe_cnt)); | |
3810 | ||
926a01dc WHX |
3811 | roce_set_field(qpc_mask->byte_20_smac_sgid_idx, |
3812 | V2_QPC_BYTE_20_RQ_HOP_NUM_M, | |
3813 | V2_QPC_BYTE_20_RQ_HOP_NUM_S, 0); | |
3814 | ||
3815 | roce_set_field(context->byte_16_buf_ba_pg_sz, | |
3816 | V2_QPC_BYTE_16_WQE_SGE_BA_PG_SZ_M, | |
3817 | V2_QPC_BYTE_16_WQE_SGE_BA_PG_SZ_S, | |
d563099e | 3818 | to_hr_hw_page_shift(hr_qp->mtr.hem_cfg.ba_pg_shift)); |
926a01dc WHX |
3819 | roce_set_field(qpc_mask->byte_16_buf_ba_pg_sz, |
3820 | V2_QPC_BYTE_16_WQE_SGE_BA_PG_SZ_M, | |
3821 | V2_QPC_BYTE_16_WQE_SGE_BA_PG_SZ_S, 0); | |
3822 | ||
3823 | roce_set_field(context->byte_16_buf_ba_pg_sz, | |
3824 | V2_QPC_BYTE_16_WQE_SGE_BUF_PG_SZ_M, | |
3825 | V2_QPC_BYTE_16_WQE_SGE_BUF_PG_SZ_S, | |
d563099e | 3826 | to_hr_hw_page_shift(hr_qp->mtr.hem_cfg.buf_pg_shift)); |
926a01dc WHX |
3827 | roce_set_field(qpc_mask->byte_16_buf_ba_pg_sz, |
3828 | V2_QPC_BYTE_16_WQE_SGE_BUF_PG_SZ_M, | |
3829 | V2_QPC_BYTE_16_WQE_SGE_BUF_PG_SZ_S, 0); | |
3830 | ||
d563099e | 3831 | context->rq_cur_blk_addr = cpu_to_le32(to_hr_hw_page_addr(mtts[0])); |
926a01dc WHX |
3832 | qpc_mask->rq_cur_blk_addr = 0; |
3833 | ||
3834 | roce_set_field(context->byte_92_srq_info, | |
3835 | V2_QPC_BYTE_92_RQ_CUR_BLK_ADDR_M, | |
3836 | V2_QPC_BYTE_92_RQ_CUR_BLK_ADDR_S, | |
d563099e | 3837 | upper_32_bits(to_hr_hw_page_addr(mtts[0]))); |
926a01dc WHX |
3838 | roce_set_field(qpc_mask->byte_92_srq_info, |
3839 | V2_QPC_BYTE_92_RQ_CUR_BLK_ADDR_M, | |
3840 | V2_QPC_BYTE_92_RQ_CUR_BLK_ADDR_S, 0); | |
3841 | ||
d563099e | 3842 | context->rq_nxt_blk_addr = cpu_to_le32(to_hr_hw_page_addr(mtts[1])); |
926a01dc WHX |
3843 | qpc_mask->rq_nxt_blk_addr = 0; |
3844 | ||
3845 | roce_set_field(context->byte_104_rq_sge, | |
3846 | V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_M, | |
3847 | V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_S, | |
d563099e | 3848 | upper_32_bits(to_hr_hw_page_addr(mtts[1]))); |
926a01dc WHX |
3849 | roce_set_field(qpc_mask->byte_104_rq_sge, |
3850 | V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_M, | |
3851 | V2_QPC_BYTE_104_RQ_NXT_BLK_ADDR_S, 0); | |
3852 | ||
494c3b31 XW |
3853 | roce_set_field(context->byte_84_rq_ci_pi, |
3854 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_M, | |
3855 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_S, hr_qp->rq.head); | |
3856 | roce_set_field(qpc_mask->byte_84_rq_ci_pi, | |
3857 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_M, | |
3858 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_S, 0); | |
3859 | ||
3860 | roce_set_field(qpc_mask->byte_84_rq_ci_pi, | |
3861 | V2_QPC_BYTE_84_RQ_CONSUMER_IDX_M, | |
3862 | V2_QPC_BYTE_84_RQ_CONSUMER_IDX_S, 0); | |
3863 | ||
3864 | return 0; | |
3865 | } | |
3866 | ||
3867 | static int config_qp_sq_buf(struct hns_roce_dev *hr_dev, | |
3868 | struct hns_roce_qp *hr_qp, | |
3869 | struct hns_roce_v2_qp_context *context, | |
3870 | struct hns_roce_v2_qp_context *qpc_mask) | |
3871 | { | |
3872 | struct ib_device *ibdev = &hr_dev->ib_dev; | |
3873 | u64 sge_cur_blk = 0; | |
3874 | u64 sq_cur_blk = 0; | |
494c3b31 XW |
3875 | int count; |
3876 | ||
3877 | /* search qp buf's mtts */ | |
3878 | count = hns_roce_mtr_find(hr_dev, &hr_qp->mtr, 0, &sq_cur_blk, 1, NULL); | |
3879 | if (count < 1) { | |
3880 | ibdev_err(ibdev, "failed to find QP(0x%lx) SQ buf.\n", | |
3881 | hr_qp->qpn); | |
3882 | return -EINVAL; | |
3883 | } | |
3884 | if (hr_qp->sge.sge_cnt > 0) { | |
494c3b31 | 3885 | count = hns_roce_mtr_find(hr_dev, &hr_qp->mtr, |
cc33b23e | 3886 | hr_qp->sge.offset, |
494c3b31 XW |
3887 | &sge_cur_blk, 1, NULL); |
3888 | if (count < 1) { | |
3889 | ibdev_err(ibdev, "failed to find QP(0x%lx) SGE buf.\n", | |
3890 | hr_qp->qpn); | |
3891 | return -EINVAL; | |
3892 | } | |
3893 | } | |
3894 | ||
3895 | /* | |
3896 | * In v2 engine, software pass context and context mask to hardware | |
3897 | * when modifying qp. If software need modify some fields in context, | |
3898 | * we should set all bits of the relevant fields in context mask to | |
3899 | * 0 at the same time, else set them to 0x1. | |
3900 | */ | |
3901 | context->sq_cur_blk_addr = cpu_to_le32(to_hr_hw_page_addr(sq_cur_blk)); | |
3902 | roce_set_field(context->byte_168_irrl_idx, | |
3903 | V2_QPC_BYTE_168_SQ_CUR_BLK_ADDR_M, | |
3904 | V2_QPC_BYTE_168_SQ_CUR_BLK_ADDR_S, | |
3905 | upper_32_bits(to_hr_hw_page_addr(sq_cur_blk))); | |
3906 | qpc_mask->sq_cur_blk_addr = 0; | |
3907 | roce_set_field(qpc_mask->byte_168_irrl_idx, | |
3908 | V2_QPC_BYTE_168_SQ_CUR_BLK_ADDR_M, | |
3909 | V2_QPC_BYTE_168_SQ_CUR_BLK_ADDR_S, 0); | |
3910 | ||
3911 | context->sq_cur_sge_blk_addr = | |
3912 | cpu_to_le32(to_hr_hw_page_addr(sge_cur_blk)); | |
3913 | roce_set_field(context->byte_184_irrl_idx, | |
3914 | V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_M, | |
3915 | V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_S, | |
3916 | upper_32_bits(to_hr_hw_page_addr(sge_cur_blk))); | |
3917 | qpc_mask->sq_cur_sge_blk_addr = 0; | |
3918 | roce_set_field(qpc_mask->byte_184_irrl_idx, | |
3919 | V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_M, | |
3920 | V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_S, 0); | |
3921 | ||
3922 | context->rx_sq_cur_blk_addr = | |
3923 | cpu_to_le32(to_hr_hw_page_addr(sq_cur_blk)); | |
3924 | roce_set_field(context->byte_232_irrl_sge, | |
3925 | V2_QPC_BYTE_232_RX_SQ_CUR_BLK_ADDR_M, | |
3926 | V2_QPC_BYTE_232_RX_SQ_CUR_BLK_ADDR_S, | |
3927 | upper_32_bits(to_hr_hw_page_addr(sq_cur_blk))); | |
3928 | qpc_mask->rx_sq_cur_blk_addr = 0; | |
3929 | roce_set_field(qpc_mask->byte_232_irrl_sge, | |
3930 | V2_QPC_BYTE_232_RX_SQ_CUR_BLK_ADDR_M, | |
3931 | V2_QPC_BYTE_232_RX_SQ_CUR_BLK_ADDR_S, 0); | |
3932 | ||
3933 | return 0; | |
3934 | } | |
3935 | ||
7b9bd73e WL |
3936 | static inline enum ib_mtu get_mtu(struct ib_qp *ibqp, |
3937 | const struct ib_qp_attr *attr) | |
3938 | { | |
3939 | if (ibqp->qp_type == IB_QPT_GSI || ibqp->qp_type == IB_QPT_UD) | |
3940 | return IB_MTU_4096; | |
3941 | ||
3942 | return attr->path_mtu; | |
3943 | } | |
3944 | ||
494c3b31 XW |
3945 | static int modify_qp_init_to_rtr(struct ib_qp *ibqp, |
3946 | const struct ib_qp_attr *attr, int attr_mask, | |
3947 | struct hns_roce_v2_qp_context *context, | |
3948 | struct hns_roce_v2_qp_context *qpc_mask) | |
3949 | { | |
3950 | const struct ib_global_route *grh = rdma_ah_read_grh(&attr->ah_attr); | |
3951 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
3952 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
3953 | struct ib_device *ibdev = &hr_dev->ib_dev; | |
3954 | dma_addr_t trrl_ba; | |
3955 | dma_addr_t irrl_ba; | |
7b9bd73e | 3956 | enum ib_mtu mtu; |
494c3b31 XW |
3957 | u8 port_num; |
3958 | u64 *mtts; | |
3959 | u8 *dmac; | |
3960 | u8 *smac; | |
3961 | int port; | |
3962 | int ret; | |
3963 | ||
3964 | ret = config_qp_rq_buf(hr_dev, hr_qp, context, qpc_mask); | |
3965 | if (ret) { | |
3966 | ibdev_err(ibdev, "failed to config rq buf, ret = %d.\n", ret); | |
3967 | return ret; | |
3968 | } | |
3969 | ||
3970 | /* Search IRRL's mtts */ | |
3971 | mtts = hns_roce_table_find(hr_dev, &hr_dev->qp_table.irrl_table, | |
3972 | hr_qp->qpn, &irrl_ba); | |
3973 | if (!mtts) { | |
3974 | ibdev_err(ibdev, "failed to find qp irrl_table.\n"); | |
3975 | return -EINVAL; | |
3976 | } | |
3977 | ||
3978 | /* Search TRRL's mtts */ | |
3979 | mtts = hns_roce_table_find(hr_dev, &hr_dev->qp_table.trrl_table, | |
3980 | hr_qp->qpn, &trrl_ba); | |
3981 | if (!mtts) { | |
3982 | ibdev_err(ibdev, "failed to find qp trrl_table.\n"); | |
3983 | return -EINVAL; | |
3984 | } | |
3985 | ||
3986 | if (attr_mask & IB_QP_ALT_PATH) { | |
3987 | ibdev_err(ibdev, "INIT2RTR attr_mask (0x%x) error.\n", | |
3988 | attr_mask); | |
3989 | return -EINVAL; | |
3990 | } | |
3991 | ||
e92f2c18 | 3992 | roce_set_field(context->byte_132_trrl, V2_QPC_BYTE_132_TRRL_BA_M, |
494c3b31 | 3993 | V2_QPC_BYTE_132_TRRL_BA_S, trrl_ba >> 4); |
e92f2c18 | 3994 | roce_set_field(qpc_mask->byte_132_trrl, V2_QPC_BYTE_132_TRRL_BA_M, |
3995 | V2_QPC_BYTE_132_TRRL_BA_S, 0); | |
494c3b31 | 3996 | context->trrl_ba = cpu_to_le32(trrl_ba >> (16 + 4)); |
e92f2c18 | 3997 | qpc_mask->trrl_ba = 0; |
3998 | roce_set_field(context->byte_140_raq, V2_QPC_BYTE_140_TRRL_BA_M, | |
3999 | V2_QPC_BYTE_140_TRRL_BA_S, | |
494c3b31 | 4000 | (u32)(trrl_ba >> (32 + 16 + 4))); |
e92f2c18 | 4001 | roce_set_field(qpc_mask->byte_140_raq, V2_QPC_BYTE_140_TRRL_BA_M, |
4002 | V2_QPC_BYTE_140_TRRL_BA_S, 0); | |
4003 | ||
494c3b31 | 4004 | context->irrl_ba = cpu_to_le32(irrl_ba >> 6); |
926a01dc WHX |
4005 | qpc_mask->irrl_ba = 0; |
4006 | roce_set_field(context->byte_208_irrl, V2_QPC_BYTE_208_IRRL_BA_M, | |
4007 | V2_QPC_BYTE_208_IRRL_BA_S, | |
494c3b31 | 4008 | irrl_ba >> (32 + 6)); |
926a01dc WHX |
4009 | roce_set_field(qpc_mask->byte_208_irrl, V2_QPC_BYTE_208_IRRL_BA_M, |
4010 | V2_QPC_BYTE_208_IRRL_BA_S, 0); | |
4011 | ||
4012 | roce_set_bit(context->byte_208_irrl, V2_QPC_BYTE_208_RMT_E2E_S, 1); | |
4013 | roce_set_bit(qpc_mask->byte_208_irrl, V2_QPC_BYTE_208_RMT_E2E_S, 0); | |
4014 | ||
4015 | roce_set_bit(context->byte_252_err_txcqn, V2_QPC_BYTE_252_SIG_TYPE_S, | |
4016 | hr_qp->sq_signal_bits); | |
4017 | roce_set_bit(qpc_mask->byte_252_err_txcqn, V2_QPC_BYTE_252_SIG_TYPE_S, | |
4018 | 0); | |
4019 | ||
4020 | port = (attr_mask & IB_QP_PORT) ? (attr->port_num - 1) : hr_qp->port; | |
4021 | ||
4022 | smac = (u8 *)hr_dev->dev_addr[port]; | |
87d9e568 | 4023 | dmac = (u8 *)attr->ah_attr.roce.dmac; |
926a01dc WHX |
4024 | /* when dmac equals smac or loop_idc is 1, it should loopback */ |
4025 | if (ether_addr_equal_unaligned(dmac, smac) || | |
4026 | hr_dev->loop_idc == 0x1) { | |
4027 | roce_set_bit(context->byte_28_at_fl, V2_QPC_BYTE_28_LBI_S, 1); | |
4028 | roce_set_bit(qpc_mask->byte_28_at_fl, V2_QPC_BYTE_28_LBI_S, 0); | |
4029 | } | |
4030 | ||
b6dd9b34 | 4031 | if (attr_mask & IB_QP_DEST_QPN) { |
4032 | roce_set_field(context->byte_56_dqpn_err, V2_QPC_BYTE_56_DQPN_M, | |
4033 | V2_QPC_BYTE_56_DQPN_S, attr->dest_qp_num); | |
4034 | roce_set_field(qpc_mask->byte_56_dqpn_err, | |
4035 | V2_QPC_BYTE_56_DQPN_M, V2_QPC_BYTE_56_DQPN_S, 0); | |
4036 | } | |
926a01dc WHX |
4037 | |
4038 | /* Configure GID index */ | |
4039 | port_num = rdma_ah_get_port_num(&attr->ah_attr); | |
4040 | roce_set_field(context->byte_20_smac_sgid_idx, | |
60262b10 | 4041 | V2_QPC_BYTE_20_SGID_IDX_M, V2_QPC_BYTE_20_SGID_IDX_S, |
926a01dc WHX |
4042 | hns_get_gid_index(hr_dev, port_num - 1, |
4043 | grh->sgid_index)); | |
4044 | roce_set_field(qpc_mask->byte_20_smac_sgid_idx, | |
60262b10 | 4045 | V2_QPC_BYTE_20_SGID_IDX_M, V2_QPC_BYTE_20_SGID_IDX_S, 0); |
494c3b31 | 4046 | |
2a3d923f | 4047 | memcpy(&(context->dmac), dmac, sizeof(u32)); |
926a01dc WHX |
4048 | roce_set_field(context->byte_52_udpspn_dmac, V2_QPC_BYTE_52_DMAC_M, |
4049 | V2_QPC_BYTE_52_DMAC_S, *((u16 *)(&dmac[4]))); | |
4050 | qpc_mask->dmac = 0; | |
4051 | roce_set_field(qpc_mask->byte_52_udpspn_dmac, V2_QPC_BYTE_52_DMAC_M, | |
4052 | V2_QPC_BYTE_52_DMAC_S, 0); | |
4053 | ||
7b9bd73e WL |
4054 | mtu = get_mtu(ibqp, attr); |
4055 | ||
4056 | if (attr_mask & IB_QP_PATH_MTU) { | |
4057 | roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_MTU_M, | |
4058 | V2_QPC_BYTE_24_MTU_S, mtu); | |
4059 | roce_set_field(qpc_mask->byte_24_mtu_tc, V2_QPC_BYTE_24_MTU_M, | |
4060 | V2_QPC_BYTE_24_MTU_S, 0); | |
4061 | } | |
4062 | ||
4063 | #define MAX_LP_MSG_LEN 65536 | |
4064 | /* MTU*(2^LP_PKTN_INI) shouldn't be bigger than 64kb */ | |
926a01dc | 4065 | roce_set_field(context->byte_56_dqpn_err, V2_QPC_BYTE_56_LP_PKTN_INI_M, |
b713128d | 4066 | V2_QPC_BYTE_56_LP_PKTN_INI_S, |
7b9bd73e | 4067 | ilog2(MAX_LP_MSG_LEN / ib_mtu_enum_to_int(mtu))); |
926a01dc WHX |
4068 | roce_set_field(qpc_mask->byte_56_dqpn_err, V2_QPC_BYTE_56_LP_PKTN_INI_M, |
4069 | V2_QPC_BYTE_56_LP_PKTN_INI_S, 0); | |
4070 | ||
926a01dc WHX |
4071 | roce_set_bit(qpc_mask->byte_108_rx_reqepsn, |
4072 | V2_QPC_BYTE_108_RX_REQ_PSN_ERR_S, 0); | |
4073 | roce_set_field(qpc_mask->byte_96_rx_reqmsn, V2_QPC_BYTE_96_RX_REQ_MSN_M, | |
4074 | V2_QPC_BYTE_96_RX_REQ_MSN_S, 0); | |
4075 | roce_set_field(qpc_mask->byte_108_rx_reqepsn, | |
4076 | V2_QPC_BYTE_108_RX_REQ_LAST_OPTYPE_M, | |
4077 | V2_QPC_BYTE_108_RX_REQ_LAST_OPTYPE_S, 0); | |
4078 | ||
4079 | context->rq_rnr_timer = 0; | |
4080 | qpc_mask->rq_rnr_timer = 0; | |
4081 | ||
926a01dc WHX |
4082 | roce_set_field(qpc_mask->byte_132_trrl, V2_QPC_BYTE_132_TRRL_HEAD_MAX_M, |
4083 | V2_QPC_BYTE_132_TRRL_HEAD_MAX_S, 0); | |
4084 | roce_set_field(qpc_mask->byte_132_trrl, V2_QPC_BYTE_132_TRRL_TAIL_MAX_M, | |
4085 | V2_QPC_BYTE_132_TRRL_TAIL_MAX_S, 0); | |
4086 | ||
2a3d923f | 4087 | /* rocee send 2^lp_sgen_ini segs every time */ |
926a01dc WHX |
4088 | roce_set_field(context->byte_168_irrl_idx, |
4089 | V2_QPC_BYTE_168_LP_SGEN_INI_M, | |
4090 | V2_QPC_BYTE_168_LP_SGEN_INI_S, 3); | |
4091 | roce_set_field(qpc_mask->byte_168_irrl_idx, | |
4092 | V2_QPC_BYTE_168_LP_SGEN_INI_M, | |
4093 | V2_QPC_BYTE_168_LP_SGEN_INI_S, 0); | |
4094 | ||
926a01dc WHX |
4095 | return 0; |
4096 | } | |
4097 | ||
4098 | static int modify_qp_rtr_to_rts(struct ib_qp *ibqp, | |
4099 | const struct ib_qp_attr *attr, int attr_mask, | |
4100 | struct hns_roce_v2_qp_context *context, | |
4101 | struct hns_roce_v2_qp_context *qpc_mask) | |
4102 | { | |
4103 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
4104 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
ae1c6148 | 4105 | struct ib_device *ibdev = &hr_dev->ib_dev; |
494c3b31 | 4106 | int ret; |
8d18ad83 | 4107 | |
734f3863 | 4108 | /* Not support alternate path and path migration */ |
d398d4ca | 4109 | if (attr_mask & (IB_QP_ALT_PATH | IB_QP_PATH_MIG_STATE)) { |
ae1c6148 | 4110 | ibdev_err(ibdev, "RTR2RTS attr_mask (0x%x)error\n", attr_mask); |
926a01dc WHX |
4111 | return -EINVAL; |
4112 | } | |
4113 | ||
494c3b31 XW |
4114 | ret = config_qp_sq_buf(hr_dev, hr_qp, context, qpc_mask); |
4115 | if (ret) { | |
4116 | ibdev_err(ibdev, "failed to config sq buf, ret %d\n", ret); | |
4117 | return ret; | |
4118 | } | |
926a01dc WHX |
4119 | |
4120 | /* | |
4121 | * Set some fields in context to zero, Because the default values | |
4122 | * of all fields in context are zero, we need not set them to 0 again. | |
4123 | * but we should set the relevant fields of context mask to 0. | |
4124 | */ | |
4125 | roce_set_field(qpc_mask->byte_232_irrl_sge, | |
4126 | V2_QPC_BYTE_232_IRRL_SGE_IDX_M, | |
4127 | V2_QPC_BYTE_232_IRRL_SGE_IDX_S, 0); | |
4128 | ||
4129 | roce_set_field(qpc_mask->byte_240_irrl_tail, | |
4130 | V2_QPC_BYTE_240_RX_ACK_MSN_M, | |
4131 | V2_QPC_BYTE_240_RX_ACK_MSN_S, 0); | |
4132 | ||
926a01dc WHX |
4133 | roce_set_field(qpc_mask->byte_248_ack_psn, |
4134 | V2_QPC_BYTE_248_ACK_LAST_OPTYPE_M, | |
4135 | V2_QPC_BYTE_248_ACK_LAST_OPTYPE_S, 0); | |
4136 | roce_set_bit(qpc_mask->byte_248_ack_psn, | |
4137 | V2_QPC_BYTE_248_IRRL_PSN_VLD_S, 0); | |
4138 | roce_set_field(qpc_mask->byte_248_ack_psn, | |
4139 | V2_QPC_BYTE_248_IRRL_PSN_M, | |
4140 | V2_QPC_BYTE_248_IRRL_PSN_S, 0); | |
4141 | ||
4142 | roce_set_field(qpc_mask->byte_240_irrl_tail, | |
4143 | V2_QPC_BYTE_240_IRRL_TAIL_REAL_M, | |
4144 | V2_QPC_BYTE_240_IRRL_TAIL_REAL_S, 0); | |
4145 | ||
926a01dc WHX |
4146 | roce_set_field(qpc_mask->byte_220_retry_psn_msn, |
4147 | V2_QPC_BYTE_220_RETRY_MSG_MSN_M, | |
4148 | V2_QPC_BYTE_220_RETRY_MSG_MSN_S, 0); | |
4149 | ||
4150 | roce_set_bit(qpc_mask->byte_248_ack_psn, | |
4151 | V2_QPC_BYTE_248_RNR_RETRY_FLAG_S, 0); | |
4152 | ||
4153 | roce_set_field(qpc_mask->byte_212_lsn, V2_QPC_BYTE_212_CHECK_FLG_M, | |
4154 | V2_QPC_BYTE_212_CHECK_FLG_S, 0); | |
4155 | ||
926a01dc WHX |
4156 | roce_set_field(context->byte_212_lsn, V2_QPC_BYTE_212_LSN_M, |
4157 | V2_QPC_BYTE_212_LSN_S, 0x100); | |
4158 | roce_set_field(qpc_mask->byte_212_lsn, V2_QPC_BYTE_212_LSN_M, | |
4159 | V2_QPC_BYTE_212_LSN_S, 0); | |
4160 | ||
926a01dc WHX |
4161 | roce_set_field(qpc_mask->byte_196_sq_psn, V2_QPC_BYTE_196_IRRL_HEAD_M, |
4162 | V2_QPC_BYTE_196_IRRL_HEAD_S, 0); | |
926a01dc WHX |
4163 | |
4164 | return 0; | |
4165 | } | |
4166 | ||
074bf2c2 WL |
4167 | static inline u16 get_udp_sport(u32 fl, u32 lqpn, u32 rqpn) |
4168 | { | |
4169 | if (!fl) | |
4170 | fl = rdma_calc_flow_label(lqpn, rqpn); | |
4171 | ||
4172 | return rdma_flow_label_to_udp_sport(fl); | |
4173 | } | |
4174 | ||
606bf89e LO |
4175 | static int hns_roce_v2_set_path(struct ib_qp *ibqp, |
4176 | const struct ib_qp_attr *attr, | |
4177 | int attr_mask, | |
4178 | struct hns_roce_v2_qp_context *context, | |
4179 | struct hns_roce_v2_qp_context *qpc_mask) | |
926a01dc | 4180 | { |
606bf89e | 4181 | const struct ib_global_route *grh = rdma_ah_read_grh(&attr->ah_attr); |
926a01dc WHX |
4182 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); |
4183 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
ae1c6148 | 4184 | struct ib_device *ibdev = &hr_dev->ib_dev; |
606bf89e LO |
4185 | const struct ib_gid_attr *gid_attr = NULL; |
4186 | int is_roce_protocol; | |
32883228 | 4187 | u16 vlan_id = 0xffff; |
606bf89e | 4188 | bool is_udp = false; |
606bf89e LO |
4189 | u8 ib_port; |
4190 | u8 hr_port; | |
4191 | int ret; | |
926a01dc | 4192 | |
606bf89e LO |
4193 | ib_port = (attr_mask & IB_QP_PORT) ? attr->port_num : hr_qp->port + 1; |
4194 | hr_port = ib_port - 1; | |
4195 | is_roce_protocol = rdma_cap_eth_ah(&hr_dev->ib_dev, ib_port) && | |
4196 | rdma_ah_get_ah_flags(&attr->ah_attr) & IB_AH_GRH; | |
4197 | ||
4198 | if (is_roce_protocol) { | |
4199 | gid_attr = attr->ah_attr.grh.sgid_attr; | |
32883228 | 4200 | ret = rdma_read_gid_l2_fields(gid_attr, &vlan_id, NULL); |
606bf89e LO |
4201 | if (ret) |
4202 | return ret; | |
4203 | ||
4204 | if (gid_attr) | |
4205 | is_udp = (gid_attr->gid_type == | |
4206 | IB_GID_TYPE_ROCE_UDP_ENCAP); | |
4207 | } | |
4208 | ||
32883228 | 4209 | if (vlan_id < VLAN_N_VID) { |
606bf89e LO |
4210 | roce_set_bit(context->byte_76_srqn_op_en, |
4211 | V2_QPC_BYTE_76_RQ_VLAN_EN_S, 1); | |
4212 | roce_set_bit(qpc_mask->byte_76_srqn_op_en, | |
4213 | V2_QPC_BYTE_76_RQ_VLAN_EN_S, 0); | |
4214 | roce_set_bit(context->byte_168_irrl_idx, | |
4215 | V2_QPC_BYTE_168_SQ_VLAN_EN_S, 1); | |
4216 | roce_set_bit(qpc_mask->byte_168_irrl_idx, | |
4217 | V2_QPC_BYTE_168_SQ_VLAN_EN_S, 0); | |
4218 | } | |
4219 | ||
4220 | roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_VLAN_ID_M, | |
32883228 | 4221 | V2_QPC_BYTE_24_VLAN_ID_S, vlan_id); |
606bf89e LO |
4222 | roce_set_field(qpc_mask->byte_24_mtu_tc, V2_QPC_BYTE_24_VLAN_ID_M, |
4223 | V2_QPC_BYTE_24_VLAN_ID_S, 0); | |
4224 | ||
4225 | if (grh->sgid_index >= hr_dev->caps.gid_table_len[hr_port]) { | |
ae1c6148 LO |
4226 | ibdev_err(ibdev, "sgid_index(%u) too large. max is %d\n", |
4227 | grh->sgid_index, hr_dev->caps.gid_table_len[hr_port]); | |
606bf89e LO |
4228 | return -EINVAL; |
4229 | } | |
4230 | ||
4231 | if (attr->ah_attr.type != RDMA_AH_ATTR_TYPE_ROCE) { | |
ae1c6148 | 4232 | ibdev_err(ibdev, "ah attr is not RDMA roce type\n"); |
606bf89e LO |
4233 | return -EINVAL; |
4234 | } | |
4235 | ||
4236 | roce_set_field(context->byte_52_udpspn_dmac, V2_QPC_BYTE_52_UDPSPN_M, | |
4237 | V2_QPC_BYTE_52_UDPSPN_S, | |
074bf2c2 WL |
4238 | is_udp ? get_udp_sport(grh->flow_label, ibqp->qp_num, |
4239 | attr->dest_qp_num) : 0); | |
606bf89e LO |
4240 | |
4241 | roce_set_field(qpc_mask->byte_52_udpspn_dmac, V2_QPC_BYTE_52_UDPSPN_M, | |
4242 | V2_QPC_BYTE_52_UDPSPN_S, 0); | |
4243 | ||
4244 | roce_set_field(context->byte_20_smac_sgid_idx, | |
4245 | V2_QPC_BYTE_20_SGID_IDX_M, V2_QPC_BYTE_20_SGID_IDX_S, | |
4246 | grh->sgid_index); | |
4247 | ||
4248 | roce_set_field(qpc_mask->byte_20_smac_sgid_idx, | |
4249 | V2_QPC_BYTE_20_SGID_IDX_M, V2_QPC_BYTE_20_SGID_IDX_S, 0); | |
4250 | ||
4251 | roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_HOP_LIMIT_M, | |
4252 | V2_QPC_BYTE_24_HOP_LIMIT_S, grh->hop_limit); | |
4253 | roce_set_field(qpc_mask->byte_24_mtu_tc, V2_QPC_BYTE_24_HOP_LIMIT_M, | |
4254 | V2_QPC_BYTE_24_HOP_LIMIT_S, 0); | |
4255 | ||
a247fd28 | 4256 | if (is_udp) |
606bf89e LO |
4257 | roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_TC_M, |
4258 | V2_QPC_BYTE_24_TC_S, grh->traffic_class >> 2); | |
4259 | else | |
4260 | roce_set_field(context->byte_24_mtu_tc, V2_QPC_BYTE_24_TC_M, | |
4261 | V2_QPC_BYTE_24_TC_S, grh->traffic_class); | |
a247fd28 | 4262 | |
606bf89e LO |
4263 | roce_set_field(qpc_mask->byte_24_mtu_tc, V2_QPC_BYTE_24_TC_M, |
4264 | V2_QPC_BYTE_24_TC_S, 0); | |
4265 | roce_set_field(context->byte_28_at_fl, V2_QPC_BYTE_28_FL_M, | |
4266 | V2_QPC_BYTE_28_FL_S, grh->flow_label); | |
4267 | roce_set_field(qpc_mask->byte_28_at_fl, V2_QPC_BYTE_28_FL_M, | |
4268 | V2_QPC_BYTE_28_FL_S, 0); | |
4269 | memcpy(context->dgid, grh->dgid.raw, sizeof(grh->dgid.raw)); | |
4270 | memset(qpc_mask->dgid, 0, sizeof(grh->dgid.raw)); | |
4271 | roce_set_field(context->byte_28_at_fl, V2_QPC_BYTE_28_SL_M, | |
4272 | V2_QPC_BYTE_28_SL_S, rdma_ah_get_sl(&attr->ah_attr)); | |
4273 | roce_set_field(qpc_mask->byte_28_at_fl, V2_QPC_BYTE_28_SL_M, | |
4274 | V2_QPC_BYTE_28_SL_S, 0); | |
4275 | hr_qp->sl = rdma_ah_get_sl(&attr->ah_attr); | |
4276 | ||
4277 | return 0; | |
4278 | } | |
4279 | ||
357f3429 LC |
4280 | static bool check_qp_state(enum ib_qp_state cur_state, |
4281 | enum ib_qp_state new_state) | |
4282 | { | |
4283 | static const bool sm[][IB_QPS_ERR + 1] = { | |
4284 | [IB_QPS_RESET] = { [IB_QPS_RESET] = true, | |
4285 | [IB_QPS_INIT] = true }, | |
4286 | [IB_QPS_INIT] = { [IB_QPS_RESET] = true, | |
4287 | [IB_QPS_INIT] = true, | |
4288 | [IB_QPS_RTR] = true, | |
4289 | [IB_QPS_ERR] = true }, | |
4290 | [IB_QPS_RTR] = { [IB_QPS_RESET] = true, | |
4291 | [IB_QPS_RTS] = true, | |
4292 | [IB_QPS_ERR] = true }, | |
4327bd2c LC |
4293 | [IB_QPS_RTS] = { [IB_QPS_RESET] = true, |
4294 | [IB_QPS_RTS] = true, | |
4295 | [IB_QPS_ERR] = true }, | |
357f3429 LC |
4296 | [IB_QPS_SQD] = {}, |
4297 | [IB_QPS_SQE] = {}, | |
4298 | [IB_QPS_ERR] = { [IB_QPS_RESET] = true, [IB_QPS_ERR] = true } | |
4299 | }; | |
4300 | ||
4301 | return sm[cur_state][new_state]; | |
4302 | } | |
4303 | ||
606bf89e LO |
4304 | static int hns_roce_v2_set_abs_fields(struct ib_qp *ibqp, |
4305 | const struct ib_qp_attr *attr, | |
4306 | int attr_mask, | |
4307 | enum ib_qp_state cur_state, | |
4308 | enum ib_qp_state new_state, | |
4309 | struct hns_roce_v2_qp_context *context, | |
4310 | struct hns_roce_v2_qp_context *qpc_mask) | |
4311 | { | |
4312 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
4313 | int ret = 0; | |
926a01dc | 4314 | |
357f3429 LC |
4315 | if (!check_qp_state(cur_state, new_state)) { |
4316 | ibdev_err(&hr_dev->ib_dev, "Illegal state for QP!\n"); | |
4317 | return -EINVAL; | |
4318 | } | |
4319 | ||
926a01dc | 4320 | if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) { |
9f507101 | 4321 | memset(qpc_mask, 0, sizeof(*qpc_mask)); |
0fa95a9a | 4322 | modify_qp_reset_to_init(ibqp, attr, attr_mask, context, |
4323 | qpc_mask); | |
926a01dc WHX |
4324 | } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) { |
4325 | modify_qp_init_to_init(ibqp, attr, attr_mask, context, | |
4326 | qpc_mask); | |
4327 | } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) { | |
4328 | ret = modify_qp_init_to_rtr(ibqp, attr, attr_mask, context, | |
4329 | qpc_mask); | |
926a01dc WHX |
4330 | } else if (cur_state == IB_QPS_RTR && new_state == IB_QPS_RTS) { |
4331 | ret = modify_qp_rtr_to_rts(ibqp, attr, attr_mask, context, | |
4332 | qpc_mask); | |
926a01dc WHX |
4333 | } |
4334 | ||
606bf89e LO |
4335 | return ret; |
4336 | } | |
9c6ccc03 | 4337 | |
606bf89e LO |
4338 | static int hns_roce_v2_set_opt_fields(struct ib_qp *ibqp, |
4339 | const struct ib_qp_attr *attr, | |
4340 | int attr_mask, | |
4341 | struct hns_roce_v2_qp_context *context, | |
4342 | struct hns_roce_v2_qp_context *qpc_mask) | |
4343 | { | |
4344 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
4345 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
4346 | int ret = 0; | |
0425e3e6 | 4347 | |
610b8967 | 4348 | if (attr_mask & IB_QP_AV) { |
606bf89e LO |
4349 | ret = hns_roce_v2_set_path(ibqp, attr, attr_mask, context, |
4350 | qpc_mask); | |
4351 | if (ret) | |
4352 | return ret; | |
610b8967 LO |
4353 | } |
4354 | ||
5b01b243 LO |
4355 | if (attr_mask & IB_QP_TIMEOUT) { |
4356 | if (attr->timeout < 31) { | |
4357 | roce_set_field(context->byte_28_at_fl, | |
4358 | V2_QPC_BYTE_28_AT_M, V2_QPC_BYTE_28_AT_S, | |
4359 | attr->timeout); | |
4360 | roce_set_field(qpc_mask->byte_28_at_fl, | |
4361 | V2_QPC_BYTE_28_AT_M, V2_QPC_BYTE_28_AT_S, | |
4362 | 0); | |
4363 | } else { | |
ae1c6148 LO |
4364 | ibdev_warn(&hr_dev->ib_dev, |
4365 | "Local ACK timeout shall be 0 to 30.\n"); | |
5b01b243 LO |
4366 | } |
4367 | } | |
4368 | ||
4369 | if (attr_mask & IB_QP_RETRY_CNT) { | |
4370 | roce_set_field(context->byte_212_lsn, | |
4371 | V2_QPC_BYTE_212_RETRY_NUM_INIT_M, | |
4372 | V2_QPC_BYTE_212_RETRY_NUM_INIT_S, | |
4373 | attr->retry_cnt); | |
4374 | roce_set_field(qpc_mask->byte_212_lsn, | |
4375 | V2_QPC_BYTE_212_RETRY_NUM_INIT_M, | |
4376 | V2_QPC_BYTE_212_RETRY_NUM_INIT_S, 0); | |
4377 | ||
4378 | roce_set_field(context->byte_212_lsn, | |
4379 | V2_QPC_BYTE_212_RETRY_CNT_M, | |
60262b10 | 4380 | V2_QPC_BYTE_212_RETRY_CNT_S, attr->retry_cnt); |
5b01b243 LO |
4381 | roce_set_field(qpc_mask->byte_212_lsn, |
4382 | V2_QPC_BYTE_212_RETRY_CNT_M, | |
4383 | V2_QPC_BYTE_212_RETRY_CNT_S, 0); | |
4384 | } | |
4385 | ||
4386 | if (attr_mask & IB_QP_RNR_RETRY) { | |
4387 | roce_set_field(context->byte_244_rnr_rxack, | |
4388 | V2_QPC_BYTE_244_RNR_NUM_INIT_M, | |
4389 | V2_QPC_BYTE_244_RNR_NUM_INIT_S, attr->rnr_retry); | |
4390 | roce_set_field(qpc_mask->byte_244_rnr_rxack, | |
4391 | V2_QPC_BYTE_244_RNR_NUM_INIT_M, | |
4392 | V2_QPC_BYTE_244_RNR_NUM_INIT_S, 0); | |
4393 | ||
4394 | roce_set_field(context->byte_244_rnr_rxack, | |
4395 | V2_QPC_BYTE_244_RNR_CNT_M, | |
4396 | V2_QPC_BYTE_244_RNR_CNT_S, attr->rnr_retry); | |
4397 | roce_set_field(qpc_mask->byte_244_rnr_rxack, | |
4398 | V2_QPC_BYTE_244_RNR_CNT_M, | |
4399 | V2_QPC_BYTE_244_RNR_CNT_S, 0); | |
4400 | } | |
4401 | ||
606bf89e | 4402 | /* RC&UC&UD required attr */ |
f04cc178 LO |
4403 | if (attr_mask & IB_QP_SQ_PSN) { |
4404 | roce_set_field(context->byte_172_sq_psn, | |
4405 | V2_QPC_BYTE_172_SQ_CUR_PSN_M, | |
4406 | V2_QPC_BYTE_172_SQ_CUR_PSN_S, attr->sq_psn); | |
4407 | roce_set_field(qpc_mask->byte_172_sq_psn, | |
4408 | V2_QPC_BYTE_172_SQ_CUR_PSN_M, | |
4409 | V2_QPC_BYTE_172_SQ_CUR_PSN_S, 0); | |
4410 | ||
4411 | roce_set_field(context->byte_196_sq_psn, | |
4412 | V2_QPC_BYTE_196_SQ_MAX_PSN_M, | |
4413 | V2_QPC_BYTE_196_SQ_MAX_PSN_S, attr->sq_psn); | |
4414 | roce_set_field(qpc_mask->byte_196_sq_psn, | |
4415 | V2_QPC_BYTE_196_SQ_MAX_PSN_M, | |
4416 | V2_QPC_BYTE_196_SQ_MAX_PSN_S, 0); | |
4417 | ||
4418 | roce_set_field(context->byte_220_retry_psn_msn, | |
4419 | V2_QPC_BYTE_220_RETRY_MSG_PSN_M, | |
4420 | V2_QPC_BYTE_220_RETRY_MSG_PSN_S, attr->sq_psn); | |
4421 | roce_set_field(qpc_mask->byte_220_retry_psn_msn, | |
4422 | V2_QPC_BYTE_220_RETRY_MSG_PSN_M, | |
4423 | V2_QPC_BYTE_220_RETRY_MSG_PSN_S, 0); | |
4424 | ||
4425 | roce_set_field(context->byte_224_retry_msg, | |
4426 | V2_QPC_BYTE_224_RETRY_MSG_PSN_M, | |
4427 | V2_QPC_BYTE_224_RETRY_MSG_PSN_S, | |
2a3d923f | 4428 | attr->sq_psn >> V2_QPC_BYTE_220_RETRY_MSG_PSN_S); |
f04cc178 LO |
4429 | roce_set_field(qpc_mask->byte_224_retry_msg, |
4430 | V2_QPC_BYTE_224_RETRY_MSG_PSN_M, | |
4431 | V2_QPC_BYTE_224_RETRY_MSG_PSN_S, 0); | |
4432 | ||
4433 | roce_set_field(context->byte_224_retry_msg, | |
4434 | V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_M, | |
4435 | V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_S, | |
4436 | attr->sq_psn); | |
4437 | roce_set_field(qpc_mask->byte_224_retry_msg, | |
4438 | V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_M, | |
4439 | V2_QPC_BYTE_224_RETRY_MSG_FPKT_PSN_S, 0); | |
4440 | ||
4441 | roce_set_field(context->byte_244_rnr_rxack, | |
4442 | V2_QPC_BYTE_244_RX_ACK_EPSN_M, | |
4443 | V2_QPC_BYTE_244_RX_ACK_EPSN_S, attr->sq_psn); | |
4444 | roce_set_field(qpc_mask->byte_244_rnr_rxack, | |
4445 | V2_QPC_BYTE_244_RX_ACK_EPSN_M, | |
4446 | V2_QPC_BYTE_244_RX_ACK_EPSN_S, 0); | |
4447 | } | |
4448 | ||
5b01b243 LO |
4449 | if ((attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) && |
4450 | attr->max_dest_rd_atomic) { | |
4451 | roce_set_field(context->byte_140_raq, V2_QPC_BYTE_140_RR_MAX_M, | |
4452 | V2_QPC_BYTE_140_RR_MAX_S, | |
4453 | fls(attr->max_dest_rd_atomic - 1)); | |
4454 | roce_set_field(qpc_mask->byte_140_raq, V2_QPC_BYTE_140_RR_MAX_M, | |
4455 | V2_QPC_BYTE_140_RR_MAX_S, 0); | |
4456 | } | |
4457 | ||
4458 | if ((attr_mask & IB_QP_MAX_QP_RD_ATOMIC) && attr->max_rd_atomic) { | |
4459 | roce_set_field(context->byte_208_irrl, V2_QPC_BYTE_208_SR_MAX_M, | |
4460 | V2_QPC_BYTE_208_SR_MAX_S, | |
4461 | fls(attr->max_rd_atomic - 1)); | |
4462 | roce_set_field(qpc_mask->byte_208_irrl, | |
4463 | V2_QPC_BYTE_208_SR_MAX_M, | |
4464 | V2_QPC_BYTE_208_SR_MAX_S, 0); | |
4465 | } | |
4466 | ||
ace1c541 | 4467 | if (attr_mask & (IB_QP_ACCESS_FLAGS | IB_QP_MAX_DEST_RD_ATOMIC)) |
4468 | set_access_flags(hr_qp, context, qpc_mask, attr, attr_mask); | |
4469 | ||
5b01b243 LO |
4470 | if (attr_mask & IB_QP_MIN_RNR_TIMER) { |
4471 | roce_set_field(context->byte_80_rnr_rx_cqn, | |
4472 | V2_QPC_BYTE_80_MIN_RNR_TIME_M, | |
4473 | V2_QPC_BYTE_80_MIN_RNR_TIME_S, | |
4474 | attr->min_rnr_timer); | |
4475 | roce_set_field(qpc_mask->byte_80_rnr_rx_cqn, | |
4476 | V2_QPC_BYTE_80_MIN_RNR_TIME_M, | |
4477 | V2_QPC_BYTE_80_MIN_RNR_TIME_S, 0); | |
4478 | } | |
4479 | ||
601f3e6d LO |
4480 | /* RC&UC required attr */ |
4481 | if (attr_mask & IB_QP_RQ_PSN) { | |
4482 | roce_set_field(context->byte_108_rx_reqepsn, | |
4483 | V2_QPC_BYTE_108_RX_REQ_EPSN_M, | |
4484 | V2_QPC_BYTE_108_RX_REQ_EPSN_S, attr->rq_psn); | |
4485 | roce_set_field(qpc_mask->byte_108_rx_reqepsn, | |
4486 | V2_QPC_BYTE_108_RX_REQ_EPSN_M, | |
4487 | V2_QPC_BYTE_108_RX_REQ_EPSN_S, 0); | |
4488 | ||
4489 | roce_set_field(context->byte_152_raq, V2_QPC_BYTE_152_RAQ_PSN_M, | |
4490 | V2_QPC_BYTE_152_RAQ_PSN_S, attr->rq_psn - 1); | |
4491 | roce_set_field(qpc_mask->byte_152_raq, | |
4492 | V2_QPC_BYTE_152_RAQ_PSN_M, | |
4493 | V2_QPC_BYTE_152_RAQ_PSN_S, 0); | |
4494 | } | |
4495 | ||
5b01b243 | 4496 | if (attr_mask & IB_QP_QKEY) { |
bfe86035 | 4497 | context->qkey_xrcd = cpu_to_le32(attr->qkey); |
5b01b243 LO |
4498 | qpc_mask->qkey_xrcd = 0; |
4499 | hr_qp->qkey = attr->qkey; | |
4500 | } | |
4501 | ||
606bf89e LO |
4502 | return ret; |
4503 | } | |
4504 | ||
4505 | static void hns_roce_v2_record_opt_fields(struct ib_qp *ibqp, | |
4506 | const struct ib_qp_attr *attr, | |
4507 | int attr_mask) | |
4508 | { | |
4509 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
4510 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
4511 | ||
4512 | if (attr_mask & IB_QP_ACCESS_FLAGS) | |
4513 | hr_qp->atomic_rd_en = attr->qp_access_flags; | |
4514 | ||
4515 | if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) | |
4516 | hr_qp->resp_depth = attr->max_dest_rd_atomic; | |
4517 | if (attr_mask & IB_QP_PORT) { | |
4518 | hr_qp->port = attr->port_num - 1; | |
4519 | hr_qp->phy_port = hr_dev->iboe.phy_port[hr_qp->port]; | |
4520 | } | |
4521 | } | |
4522 | ||
4523 | static int hns_roce_v2_modify_qp(struct ib_qp *ibqp, | |
4524 | const struct ib_qp_attr *attr, | |
4525 | int attr_mask, enum ib_qp_state cur_state, | |
4526 | enum ib_qp_state new_state) | |
4527 | { | |
4528 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
4529 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
4b42d05d LC |
4530 | struct hns_roce_v2_qp_context ctx[2]; |
4531 | struct hns_roce_v2_qp_context *context = ctx; | |
4532 | struct hns_roce_v2_qp_context *qpc_mask = ctx + 1; | |
ae1c6148 | 4533 | struct ib_device *ibdev = &hr_dev->ib_dev; |
b5374286 YL |
4534 | unsigned long sq_flag = 0; |
4535 | unsigned long rq_flag = 0; | |
b5c229dc | 4536 | int ret; |
606bf89e | 4537 | |
606bf89e LO |
4538 | /* |
4539 | * In v2 engine, software pass context and context mask to hardware | |
4540 | * when modifying qp. If software need modify some fields in context, | |
4541 | * we should set all bits of the relevant fields in context mask to | |
4542 | * 0 at the same time, else set them to 0x1. | |
4543 | */ | |
4b42d05d | 4544 | memset(context, 0, sizeof(*context)); |
606bf89e LO |
4545 | memset(qpc_mask, 0xff, sizeof(*qpc_mask)); |
4546 | ret = hns_roce_v2_set_abs_fields(ibqp, attr, attr_mask, cur_state, | |
4547 | new_state, context, qpc_mask); | |
4548 | if (ret) | |
4549 | goto out; | |
4550 | ||
4551 | /* When QP state is err, SQ and RQ WQE should be flushed */ | |
4552 | if (new_state == IB_QPS_ERR) { | |
b5374286 | 4553 | spin_lock_irqsave(&hr_qp->sq.lock, sq_flag); |
b5374286 | 4554 | hr_qp->state = IB_QPS_ERR; |
606bf89e LO |
4555 | roce_set_field(context->byte_160_sq_ci_pi, |
4556 | V2_QPC_BYTE_160_SQ_PRODUCER_IDX_M, | |
4557 | V2_QPC_BYTE_160_SQ_PRODUCER_IDX_S, | |
4558 | hr_qp->sq.head); | |
4559 | roce_set_field(qpc_mask->byte_160_sq_ci_pi, | |
4560 | V2_QPC_BYTE_160_SQ_PRODUCER_IDX_M, | |
4561 | V2_QPC_BYTE_160_SQ_PRODUCER_IDX_S, 0); | |
75c994e6 | 4562 | spin_unlock_irqrestore(&hr_qp->sq.lock, sq_flag); |
606bf89e LO |
4563 | |
4564 | if (!ibqp->srq) { | |
75c994e6 | 4565 | spin_lock_irqsave(&hr_qp->rq.lock, rq_flag); |
606bf89e LO |
4566 | roce_set_field(context->byte_84_rq_ci_pi, |
4567 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_M, | |
4568 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_S, | |
4569 | hr_qp->rq.head); | |
4570 | roce_set_field(qpc_mask->byte_84_rq_ci_pi, | |
4571 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_M, | |
4572 | V2_QPC_BYTE_84_RQ_PRODUCER_IDX_S, 0); | |
75c994e6 | 4573 | spin_unlock_irqrestore(&hr_qp->rq.lock, rq_flag); |
606bf89e LO |
4574 | } |
4575 | } | |
4576 | ||
4577 | /* Configure the optional fields */ | |
4578 | ret = hns_roce_v2_set_opt_fields(ibqp, attr, attr_mask, context, | |
4579 | qpc_mask); | |
4580 | if (ret) | |
4581 | goto out; | |
4582 | ||
c7bcb134 LO |
4583 | roce_set_bit(context->byte_108_rx_reqepsn, V2_QPC_BYTE_108_INV_CREDIT_S, |
4584 | ibqp->srq ? 1 : 0); | |
4585 | roce_set_bit(qpc_mask->byte_108_rx_reqepsn, | |
4586 | V2_QPC_BYTE_108_INV_CREDIT_S, 0); | |
4587 | ||
926a01dc | 4588 | /* Every status migrate must change state */ |
2362ccee | 4589 | roce_set_field(context->byte_60_qpst_tempid, V2_QPC_BYTE_60_QP_ST_M, |
926a01dc | 4590 | V2_QPC_BYTE_60_QP_ST_S, new_state); |
2362ccee | 4591 | roce_set_field(qpc_mask->byte_60_qpst_tempid, V2_QPC_BYTE_60_QP_ST_M, |
926a01dc WHX |
4592 | V2_QPC_BYTE_60_QP_ST_S, 0); |
4593 | ||
4594 | /* SW pass context to HW */ | |
032b0574 | 4595 | ret = hns_roce_v2_qp_modify(hr_dev, ctx, hr_qp); |
926a01dc | 4596 | if (ret) { |
ae1c6148 | 4597 | ibdev_err(ibdev, "failed to modify QP, ret = %d\n", ret); |
926a01dc WHX |
4598 | goto out; |
4599 | } | |
4600 | ||
4601 | hr_qp->state = new_state; | |
4602 | ||
606bf89e | 4603 | hns_roce_v2_record_opt_fields(ibqp, attr, attr_mask); |
926a01dc WHX |
4604 | |
4605 | if (new_state == IB_QPS_RESET && !ibqp->uobject) { | |
4606 | hns_roce_v2_cq_clean(to_hr_cq(ibqp->recv_cq), hr_qp->qpn, | |
4607 | ibqp->srq ? to_hr_srq(ibqp->srq) : NULL); | |
4608 | if (ibqp->send_cq != ibqp->recv_cq) | |
4609 | hns_roce_v2_cq_clean(to_hr_cq(ibqp->send_cq), | |
4610 | hr_qp->qpn, NULL); | |
4611 | ||
4612 | hr_qp->rq.head = 0; | |
4613 | hr_qp->rq.tail = 0; | |
4614 | hr_qp->sq.head = 0; | |
4615 | hr_qp->sq.tail = 0; | |
926a01dc | 4616 | hr_qp->next_sge = 0; |
e088a685 YL |
4617 | if (hr_qp->rq.wqe_cnt) |
4618 | *hr_qp->rdb.db_record = 0; | |
926a01dc WHX |
4619 | } |
4620 | ||
4621 | out: | |
926a01dc WHX |
4622 | return ret; |
4623 | } | |
4624 | ||
a3de9e83 | 4625 | static int to_ib_qp_st(enum hns_roce_v2_qp_state state) |
926a01dc | 4626 | { |
a3de9e83 LC |
4627 | static const enum ib_qp_state map[] = { |
4628 | [HNS_ROCE_QP_ST_RST] = IB_QPS_RESET, | |
4629 | [HNS_ROCE_QP_ST_INIT] = IB_QPS_INIT, | |
4630 | [HNS_ROCE_QP_ST_RTR] = IB_QPS_RTR, | |
4631 | [HNS_ROCE_QP_ST_RTS] = IB_QPS_RTS, | |
4632 | [HNS_ROCE_QP_ST_SQD] = IB_QPS_SQD, | |
4633 | [HNS_ROCE_QP_ST_SQER] = IB_QPS_SQE, | |
4634 | [HNS_ROCE_QP_ST_ERR] = IB_QPS_ERR, | |
4635 | [HNS_ROCE_QP_ST_SQ_DRAINING] = IB_QPS_SQD | |
4636 | }; | |
4637 | ||
4638 | return (state < ARRAY_SIZE(map)) ? map[state] : -1; | |
926a01dc WHX |
4639 | } |
4640 | ||
4641 | static int hns_roce_v2_query_qpc(struct hns_roce_dev *hr_dev, | |
4642 | struct hns_roce_qp *hr_qp, | |
4643 | struct hns_roce_v2_qp_context *hr_context) | |
4644 | { | |
4645 | struct hns_roce_cmd_mailbox *mailbox; | |
4646 | int ret; | |
4647 | ||
4648 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
4649 | if (IS_ERR(mailbox)) | |
4650 | return PTR_ERR(mailbox); | |
4651 | ||
4652 | ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, hr_qp->qpn, 0, | |
4653 | HNS_ROCE_CMD_QUERY_QPC, | |
4654 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
ae1c6148 | 4655 | if (ret) |
926a01dc | 4656 | goto out; |
926a01dc WHX |
4657 | |
4658 | memcpy(hr_context, mailbox->buf, sizeof(*hr_context)); | |
4659 | ||
4660 | out: | |
4661 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
4662 | return ret; | |
4663 | } | |
4664 | ||
4665 | static int hns_roce_v2_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, | |
4666 | int qp_attr_mask, | |
4667 | struct ib_qp_init_attr *qp_init_attr) | |
4668 | { | |
4669 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
4670 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
4b42d05d | 4671 | struct hns_roce_v2_qp_context context = {}; |
ae1c6148 | 4672 | struct ib_device *ibdev = &hr_dev->ib_dev; |
926a01dc WHX |
4673 | int tmp_qp_state; |
4674 | int state; | |
4675 | int ret; | |
4676 | ||
926a01dc WHX |
4677 | memset(qp_attr, 0, sizeof(*qp_attr)); |
4678 | memset(qp_init_attr, 0, sizeof(*qp_init_attr)); | |
4679 | ||
4680 | mutex_lock(&hr_qp->mutex); | |
4681 | ||
4682 | if (hr_qp->state == IB_QPS_RESET) { | |
4683 | qp_attr->qp_state = IB_QPS_RESET; | |
63ea641f | 4684 | ret = 0; |
926a01dc WHX |
4685 | goto done; |
4686 | } | |
4687 | ||
4b42d05d | 4688 | ret = hns_roce_v2_query_qpc(hr_dev, hr_qp, &context); |
926a01dc | 4689 | if (ret) { |
ae1c6148 | 4690 | ibdev_err(ibdev, "failed to query QPC, ret = %d\n", ret); |
926a01dc WHX |
4691 | ret = -EINVAL; |
4692 | goto out; | |
4693 | } | |
4694 | ||
4b42d05d | 4695 | state = roce_get_field(context.byte_60_qpst_tempid, |
926a01dc WHX |
4696 | V2_QPC_BYTE_60_QP_ST_M, V2_QPC_BYTE_60_QP_ST_S); |
4697 | tmp_qp_state = to_ib_qp_st((enum hns_roce_v2_qp_state)state); | |
4698 | if (tmp_qp_state == -1) { | |
ae1c6148 | 4699 | ibdev_err(ibdev, "Illegal ib_qp_state\n"); |
926a01dc WHX |
4700 | ret = -EINVAL; |
4701 | goto out; | |
4702 | } | |
4703 | hr_qp->state = (u8)tmp_qp_state; | |
4704 | qp_attr->qp_state = (enum ib_qp_state)hr_qp->state; | |
4b42d05d | 4705 | qp_attr->path_mtu = (enum ib_mtu)roce_get_field(context.byte_24_mtu_tc, |
926a01dc WHX |
4706 | V2_QPC_BYTE_24_MTU_M, |
4707 | V2_QPC_BYTE_24_MTU_S); | |
4708 | qp_attr->path_mig_state = IB_MIG_ARMED; | |
2bf910d4 | 4709 | qp_attr->ah_attr.type = RDMA_AH_ATTR_TYPE_ROCE; |
926a01dc | 4710 | if (hr_qp->ibqp.qp_type == IB_QPT_UD) |
349be276 | 4711 | qp_attr->qkey = le32_to_cpu(context.qkey_xrcd); |
926a01dc | 4712 | |
4b42d05d | 4713 | qp_attr->rq_psn = roce_get_field(context.byte_108_rx_reqepsn, |
926a01dc WHX |
4714 | V2_QPC_BYTE_108_RX_REQ_EPSN_M, |
4715 | V2_QPC_BYTE_108_RX_REQ_EPSN_S); | |
4b42d05d | 4716 | qp_attr->sq_psn = (u32)roce_get_field(context.byte_172_sq_psn, |
926a01dc WHX |
4717 | V2_QPC_BYTE_172_SQ_CUR_PSN_M, |
4718 | V2_QPC_BYTE_172_SQ_CUR_PSN_S); | |
4b42d05d | 4719 | qp_attr->dest_qp_num = (u8)roce_get_field(context.byte_56_dqpn_err, |
926a01dc WHX |
4720 | V2_QPC_BYTE_56_DQPN_M, |
4721 | V2_QPC_BYTE_56_DQPN_S); | |
4b42d05d | 4722 | qp_attr->qp_access_flags = ((roce_get_bit(context.byte_76_srqn_op_en, |
98c09b8c | 4723 | V2_QPC_BYTE_76_RRE_S)) << V2_QP_RRE_S) | |
4b42d05d | 4724 | ((roce_get_bit(context.byte_76_srqn_op_en, |
98c09b8c | 4725 | V2_QPC_BYTE_76_RWE_S)) << V2_QP_RWE_S) | |
4b42d05d | 4726 | ((roce_get_bit(context.byte_76_srqn_op_en, |
2a3d923f LO |
4727 | V2_QPC_BYTE_76_ATE_S)) << V2_QP_ATE_S); |
4728 | ||
926a01dc WHX |
4729 | if (hr_qp->ibqp.qp_type == IB_QPT_RC || |
4730 | hr_qp->ibqp.qp_type == IB_QPT_UC) { | |
4731 | struct ib_global_route *grh = | |
4732 | rdma_ah_retrieve_grh(&qp_attr->ah_attr); | |
4733 | ||
4734 | rdma_ah_set_sl(&qp_attr->ah_attr, | |
4b42d05d | 4735 | roce_get_field(context.byte_28_at_fl, |
926a01dc WHX |
4736 | V2_QPC_BYTE_28_SL_M, |
4737 | V2_QPC_BYTE_28_SL_S)); | |
4b42d05d | 4738 | grh->flow_label = roce_get_field(context.byte_28_at_fl, |
926a01dc WHX |
4739 | V2_QPC_BYTE_28_FL_M, |
4740 | V2_QPC_BYTE_28_FL_S); | |
4b42d05d | 4741 | grh->sgid_index = roce_get_field(context.byte_20_smac_sgid_idx, |
926a01dc WHX |
4742 | V2_QPC_BYTE_20_SGID_IDX_M, |
4743 | V2_QPC_BYTE_20_SGID_IDX_S); | |
4b42d05d | 4744 | grh->hop_limit = roce_get_field(context.byte_24_mtu_tc, |
926a01dc WHX |
4745 | V2_QPC_BYTE_24_HOP_LIMIT_M, |
4746 | V2_QPC_BYTE_24_HOP_LIMIT_S); | |
4b42d05d | 4747 | grh->traffic_class = roce_get_field(context.byte_24_mtu_tc, |
926a01dc WHX |
4748 | V2_QPC_BYTE_24_TC_M, |
4749 | V2_QPC_BYTE_24_TC_S); | |
4750 | ||
4b42d05d | 4751 | memcpy(grh->dgid.raw, context.dgid, sizeof(grh->dgid.raw)); |
926a01dc WHX |
4752 | } |
4753 | ||
4754 | qp_attr->port_num = hr_qp->port + 1; | |
4755 | qp_attr->sq_draining = 0; | |
4b42d05d | 4756 | qp_attr->max_rd_atomic = 1 << roce_get_field(context.byte_208_irrl, |
926a01dc WHX |
4757 | V2_QPC_BYTE_208_SR_MAX_M, |
4758 | V2_QPC_BYTE_208_SR_MAX_S); | |
4b42d05d | 4759 | qp_attr->max_dest_rd_atomic = 1 << roce_get_field(context.byte_140_raq, |
926a01dc WHX |
4760 | V2_QPC_BYTE_140_RR_MAX_M, |
4761 | V2_QPC_BYTE_140_RR_MAX_S); | |
4b42d05d | 4762 | qp_attr->min_rnr_timer = (u8)roce_get_field(context.byte_80_rnr_rx_cqn, |
926a01dc WHX |
4763 | V2_QPC_BYTE_80_MIN_RNR_TIME_M, |
4764 | V2_QPC_BYTE_80_MIN_RNR_TIME_S); | |
4b42d05d | 4765 | qp_attr->timeout = (u8)roce_get_field(context.byte_28_at_fl, |
926a01dc WHX |
4766 | V2_QPC_BYTE_28_AT_M, |
4767 | V2_QPC_BYTE_28_AT_S); | |
4b42d05d | 4768 | qp_attr->retry_cnt = roce_get_field(context.byte_212_lsn, |
926a01dc WHX |
4769 | V2_QPC_BYTE_212_RETRY_CNT_M, |
4770 | V2_QPC_BYTE_212_RETRY_CNT_S); | |
bfe86035 | 4771 | qp_attr->rnr_retry = le32_to_cpu(context.rq_rnr_timer); |
926a01dc WHX |
4772 | |
4773 | done: | |
4774 | qp_attr->cur_qp_state = qp_attr->qp_state; | |
4775 | qp_attr->cap.max_recv_wr = hr_qp->rq.wqe_cnt; | |
4776 | qp_attr->cap.max_recv_sge = hr_qp->rq.max_gs; | |
4777 | ||
4778 | if (!ibqp->uobject) { | |
4779 | qp_attr->cap.max_send_wr = hr_qp->sq.wqe_cnt; | |
4780 | qp_attr->cap.max_send_sge = hr_qp->sq.max_gs; | |
4781 | } else { | |
4782 | qp_attr->cap.max_send_wr = 0; | |
4783 | qp_attr->cap.max_send_sge = 0; | |
4784 | } | |
4785 | ||
4786 | qp_init_attr->cap = qp_attr->cap; | |
4787 | ||
4788 | out: | |
4789 | mutex_unlock(&hr_qp->mutex); | |
926a01dc WHX |
4790 | return ret; |
4791 | } | |
4792 | ||
4793 | static int hns_roce_v2_destroy_qp_common(struct hns_roce_dev *hr_dev, | |
4794 | struct hns_roce_qp *hr_qp, | |
bdeacabd | 4795 | struct ib_udata *udata) |
926a01dc | 4796 | { |
db50077b | 4797 | struct ib_device *ibdev = &hr_dev->ib_dev; |
ae1c6148 | 4798 | struct hns_roce_cq *send_cq, *recv_cq; |
626903e9 | 4799 | unsigned long flags; |
d302c6e3 | 4800 | int ret = 0; |
926a01dc WHX |
4801 | |
4802 | if (hr_qp->ibqp.qp_type == IB_QPT_RC && hr_qp->state != IB_QPS_RESET) { | |
4803 | /* Modify qp to reset before destroying qp */ | |
4804 | ret = hns_roce_v2_modify_qp(&hr_qp->ibqp, NULL, 0, | |
4805 | hr_qp->state, IB_QPS_RESET); | |
d302c6e3 | 4806 | if (ret) |
ae1c6148 LO |
4807 | ibdev_err(ibdev, |
4808 | "failed to modify QP to RST, ret = %d\n", | |
4809 | ret); | |
926a01dc WHX |
4810 | } |
4811 | ||
626903e9 XW |
4812 | send_cq = hr_qp->ibqp.send_cq ? to_hr_cq(hr_qp->ibqp.send_cq) : NULL; |
4813 | recv_cq = hr_qp->ibqp.recv_cq ? to_hr_cq(hr_qp->ibqp.recv_cq) : NULL; | |
926a01dc | 4814 | |
626903e9 | 4815 | spin_lock_irqsave(&hr_dev->qp_list_lock, flags); |
926a01dc WHX |
4816 | hns_roce_lock_cqs(send_cq, recv_cq); |
4817 | ||
bdeacabd | 4818 | if (!udata) { |
626903e9 XW |
4819 | if (recv_cq) |
4820 | __hns_roce_v2_cq_clean(recv_cq, hr_qp->qpn, | |
4821 | (hr_qp->ibqp.srq ? | |
4822 | to_hr_srq(hr_qp->ibqp.srq) : | |
4823 | NULL)); | |
4824 | ||
4825 | if (send_cq && send_cq != recv_cq) | |
926a01dc | 4826 | __hns_roce_v2_cq_clean(send_cq, hr_qp->qpn, NULL); |
626903e9 | 4827 | |
926a01dc WHX |
4828 | } |
4829 | ||
4830 | hns_roce_qp_remove(hr_dev, hr_qp); | |
4831 | ||
4832 | hns_roce_unlock_cqs(send_cq, recv_cq); | |
626903e9 | 4833 | spin_unlock_irqrestore(&hr_dev->qp_list_lock, flags); |
926a01dc | 4834 | |
d302c6e3 | 4835 | return ret; |
926a01dc WHX |
4836 | } |
4837 | ||
c4367a26 | 4838 | static int hns_roce_v2_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata) |
926a01dc WHX |
4839 | { |
4840 | struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device); | |
4841 | struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); | |
4842 | int ret; | |
4843 | ||
bdeacabd | 4844 | ret = hns_roce_v2_destroy_qp_common(hr_dev, hr_qp, udata); |
d302c6e3 | 4845 | if (ret) |
ae1c6148 LO |
4846 | ibdev_err(&hr_dev->ib_dev, |
4847 | "failed to destroy QP 0x%06lx, ret = %d\n", | |
db50077b | 4848 | hr_qp->qpn, ret); |
926a01dc | 4849 | |
e365b26c | 4850 | hns_roce_qp_destroy(hr_dev, hr_qp, udata); |
926a01dc WHX |
4851 | |
4852 | return 0; | |
4853 | } | |
4854 | ||
aa84fa18 | 4855 | static int hns_roce_v2_qp_flow_control_init(struct hns_roce_dev *hr_dev, |
ae1c6148 | 4856 | struct hns_roce_qp *hr_qp) |
aa84fa18 | 4857 | { |
ae1c6148 | 4858 | struct ib_device *ibdev = &hr_dev->ib_dev; |
da91ddfd | 4859 | struct hns_roce_sccc_clr_done *resp; |
aa84fa18 YL |
4860 | struct hns_roce_sccc_clr *clr; |
4861 | struct hns_roce_cmq_desc desc; | |
4862 | int ret, i; | |
4863 | ||
4864 | mutex_lock(&hr_dev->qp_table.scc_mutex); | |
4865 | ||
4866 | /* set scc ctx clear done flag */ | |
4867 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_RESET_SCCC, false); | |
aa84fa18 YL |
4868 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); |
4869 | if (ret) { | |
ae1c6148 | 4870 | ibdev_err(ibdev, "failed to reset SCC ctx, ret = %d\n", ret); |
aa84fa18 YL |
4871 | goto out; |
4872 | } | |
4873 | ||
4874 | /* clear scc context */ | |
4875 | hns_roce_cmq_setup_basic_desc(&desc, HNS_ROCE_OPC_CLR_SCCC, false); | |
4876 | clr = (struct hns_roce_sccc_clr *)desc.data; | |
4877 | clr->qpn = cpu_to_le32(hr_qp->qpn); | |
4878 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); | |
4879 | if (ret) { | |
ae1c6148 | 4880 | ibdev_err(ibdev, "failed to clear SCC ctx, ret = %d\n", ret); |
aa84fa18 YL |
4881 | goto out; |
4882 | } | |
4883 | ||
4884 | /* query scc context clear is done or not */ | |
4885 | resp = (struct hns_roce_sccc_clr_done *)desc.data; | |
4886 | for (i = 0; i <= HNS_ROCE_CMQ_SCC_CLR_DONE_CNT; i++) { | |
4887 | hns_roce_cmq_setup_basic_desc(&desc, | |
4888 | HNS_ROCE_OPC_QUERY_SCCC, true); | |
4889 | ret = hns_roce_cmq_send(hr_dev, &desc, 1); | |
4890 | if (ret) { | |
ae1c6148 LO |
4891 | ibdev_err(ibdev, "failed to query clr cmq, ret = %d\n", |
4892 | ret); | |
aa84fa18 YL |
4893 | goto out; |
4894 | } | |
4895 | ||
4896 | if (resp->clr_done) | |
4897 | goto out; | |
4898 | ||
4899 | msleep(20); | |
4900 | } | |
4901 | ||
ae1c6148 | 4902 | ibdev_err(ibdev, "Query SCC clr done flag overtime.\n"); |
aa84fa18 YL |
4903 | ret = -ETIMEDOUT; |
4904 | ||
4905 | out: | |
4906 | mutex_unlock(&hr_dev->qp_table.scc_mutex); | |
4907 | return ret; | |
4908 | } | |
4909 | ||
ffb1308b YL |
4910 | static void hns_roce_v2_write_srqc(struct hns_roce_dev *hr_dev, |
4911 | struct hns_roce_srq *srq, u32 pdn, u16 xrcd, | |
4912 | u32 cqn, void *mb_buf, u64 *mtts_wqe, | |
4913 | u64 *mtts_idx, dma_addr_t dma_handle_wqe, | |
4914 | dma_addr_t dma_handle_idx) | |
b156269d | 4915 | { |
ffb1308b | 4916 | struct hns_roce_srq_context *srq_context; |
b156269d | 4917 | |
ffb1308b YL |
4918 | srq_context = mb_buf; |
4919 | memset(srq_context, 0, sizeof(*srq_context)); | |
b156269d | 4920 | |
ffb1308b YL |
4921 | roce_set_field(srq_context->byte_4_srqn_srqst, SRQC_BYTE_4_SRQ_ST_M, |
4922 | SRQC_BYTE_4_SRQ_ST_S, 1); | |
b156269d | 4923 | |
ffb1308b YL |
4924 | roce_set_field(srq_context->byte_4_srqn_srqst, |
4925 | SRQC_BYTE_4_SRQ_WQE_HOP_NUM_M, | |
4926 | SRQC_BYTE_4_SRQ_WQE_HOP_NUM_S, | |
67954a6e XW |
4927 | to_hr_hem_hopnum(hr_dev->caps.srqwqe_hop_num, |
4928 | srq->wqe_cnt)); | |
ffb1308b YL |
4929 | roce_set_field(srq_context->byte_4_srqn_srqst, |
4930 | SRQC_BYTE_4_SRQ_SHIFT_M, SRQC_BYTE_4_SRQ_SHIFT_S, | |
4931 | ilog2(srq->wqe_cnt)); | |
b156269d | 4932 | |
ffb1308b YL |
4933 | roce_set_field(srq_context->byte_4_srqn_srqst, SRQC_BYTE_4_SRQN_M, |
4934 | SRQC_BYTE_4_SRQN_S, srq->srqn); | |
b156269d | 4935 | |
ffb1308b YL |
4936 | roce_set_field(srq_context->byte_8_limit_wl, SRQC_BYTE_8_SRQ_LIMIT_WL_M, |
4937 | SRQC_BYTE_8_SRQ_LIMIT_WL_S, 0); | |
b156269d | 4938 | |
ffb1308b YL |
4939 | roce_set_field(srq_context->byte_12_xrcd, SRQC_BYTE_12_SRQ_XRCD_M, |
4940 | SRQC_BYTE_12_SRQ_XRCD_S, xrcd); | |
0425e3e6 | 4941 | |
ffb1308b | 4942 | srq_context->wqe_bt_ba = cpu_to_le32((u32)(dma_handle_wqe >> 3)); |
0425e3e6 | 4943 | |
ffb1308b YL |
4944 | roce_set_field(srq_context->byte_24_wqe_bt_ba, |
4945 | SRQC_BYTE_24_SRQ_WQE_BT_BA_M, | |
4946 | SRQC_BYTE_24_SRQ_WQE_BT_BA_S, | |
4947 | dma_handle_wqe >> 35); | |
4948 | ||
4949 | roce_set_field(srq_context->byte_28_rqws_pd, SRQC_BYTE_28_PD_M, | |
4950 | SRQC_BYTE_28_PD_S, pdn); | |
4951 | roce_set_field(srq_context->byte_28_rqws_pd, SRQC_BYTE_28_RQWS_M, | |
4952 | SRQC_BYTE_28_RQWS_S, srq->max_gs <= 0 ? 0 : | |
4953 | fls(srq->max_gs - 1)); | |
4954 | ||
4955 | srq_context->idx_bt_ba = cpu_to_le32(dma_handle_idx >> 3); | |
4956 | roce_set_field(srq_context->rsv_idx_bt_ba, | |
4957 | SRQC_BYTE_36_SRQ_IDX_BT_BA_M, | |
4958 | SRQC_BYTE_36_SRQ_IDX_BT_BA_S, | |
4959 | dma_handle_idx >> 35); | |
4960 | ||
4961 | srq_context->idx_cur_blk_addr = | |
4962 | cpu_to_le32(to_hr_hw_page_addr(mtts_idx[0])); | |
4963 | roce_set_field(srq_context->byte_44_idxbufpgsz_addr, | |
4964 | SRQC_BYTE_44_SRQ_IDX_CUR_BLK_ADDR_M, | |
4965 | SRQC_BYTE_44_SRQ_IDX_CUR_BLK_ADDR_S, | |
4966 | upper_32_bits(to_hr_hw_page_addr(mtts_idx[0]))); | |
4967 | roce_set_field(srq_context->byte_44_idxbufpgsz_addr, | |
4968 | SRQC_BYTE_44_SRQ_IDX_HOP_NUM_M, | |
4969 | SRQC_BYTE_44_SRQ_IDX_HOP_NUM_S, | |
67954a6e XW |
4970 | to_hr_hem_hopnum(hr_dev->caps.idx_hop_num, |
4971 | srq->wqe_cnt)); | |
ffb1308b YL |
4972 | |
4973 | roce_set_field(srq_context->byte_44_idxbufpgsz_addr, | |
4974 | SRQC_BYTE_44_SRQ_IDX_BA_PG_SZ_M, | |
4975 | SRQC_BYTE_44_SRQ_IDX_BA_PG_SZ_S, | |
4976 | to_hr_hw_page_shift(srq->idx_que.mtr.hem_cfg.ba_pg_shift)); | |
4977 | roce_set_field(srq_context->byte_44_idxbufpgsz_addr, | |
4978 | SRQC_BYTE_44_SRQ_IDX_BUF_PG_SZ_M, | |
4979 | SRQC_BYTE_44_SRQ_IDX_BUF_PG_SZ_S, | |
4980 | to_hr_hw_page_shift(srq->idx_que.mtr.hem_cfg.buf_pg_shift)); | |
4981 | ||
4982 | srq_context->idx_nxt_blk_addr = | |
4983 | cpu_to_le32(to_hr_hw_page_addr(mtts_idx[1])); | |
4984 | roce_set_field(srq_context->rsv_idxnxtblkaddr, | |
4985 | SRQC_BYTE_52_SRQ_IDX_NXT_BLK_ADDR_M, | |
4986 | SRQC_BYTE_52_SRQ_IDX_NXT_BLK_ADDR_S, | |
4987 | upper_32_bits(to_hr_hw_page_addr(mtts_idx[1]))); | |
4988 | roce_set_field(srq_context->byte_56_xrc_cqn, | |
4989 | SRQC_BYTE_56_SRQ_XRC_CQN_M, SRQC_BYTE_56_SRQ_XRC_CQN_S, | |
4990 | cqn); | |
4991 | roce_set_field(srq_context->byte_56_xrc_cqn, | |
4992 | SRQC_BYTE_56_SRQ_WQE_BA_PG_SZ_M, | |
4993 | SRQC_BYTE_56_SRQ_WQE_BA_PG_SZ_S, | |
4994 | to_hr_hw_page_shift(srq->buf_mtr.hem_cfg.ba_pg_shift)); | |
4995 | roce_set_field(srq_context->byte_56_xrc_cqn, | |
4996 | SRQC_BYTE_56_SRQ_WQE_BUF_PG_SZ_M, | |
4997 | SRQC_BYTE_56_SRQ_WQE_BUF_PG_SZ_S, | |
4998 | to_hr_hw_page_shift(srq->buf_mtr.hem_cfg.buf_pg_shift)); | |
4999 | ||
5000 | roce_set_bit(srq_context->db_record_addr_record_en, | |
5001 | SRQC_BYTE_60_SRQ_RECORD_EN_S, 0); | |
5002 | } | |
5003 | ||
5004 | static int hns_roce_v2_modify_srq(struct ib_srq *ibsrq, | |
5005 | struct ib_srq_attr *srq_attr, | |
5006 | enum ib_srq_attr_mask srq_attr_mask, | |
5007 | struct ib_udata *udata) | |
5008 | { | |
5009 | struct hns_roce_dev *hr_dev = to_hr_dev(ibsrq->device); | |
5010 | struct hns_roce_srq *srq = to_hr_srq(ibsrq); | |
5011 | struct hns_roce_srq_context *srq_context; | |
5012 | struct hns_roce_srq_context *srqc_mask; | |
5013 | struct hns_roce_cmd_mailbox *mailbox; | |
5014 | int ret; | |
5015 | ||
5016 | if (srq_attr_mask & IB_SRQ_LIMIT) { | |
5017 | if (srq_attr->srq_limit >= srq->wqe_cnt) | |
5018 | return -EINVAL; | |
5019 | ||
5020 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
5021 | if (IS_ERR(mailbox)) | |
5022 | return PTR_ERR(mailbox); | |
5023 | ||
5024 | srq_context = mailbox->buf; | |
5025 | srqc_mask = (struct hns_roce_srq_context *)mailbox->buf + 1; | |
5026 | ||
5027 | memset(srqc_mask, 0xff, sizeof(*srqc_mask)); | |
5028 | ||
5029 | roce_set_field(srq_context->byte_8_limit_wl, | |
5030 | SRQC_BYTE_8_SRQ_LIMIT_WL_M, | |
5031 | SRQC_BYTE_8_SRQ_LIMIT_WL_S, srq_attr->srq_limit); | |
5032 | roce_set_field(srqc_mask->byte_8_limit_wl, | |
5033 | SRQC_BYTE_8_SRQ_LIMIT_WL_M, | |
5034 | SRQC_BYTE_8_SRQ_LIMIT_WL_S, 0); | |
5035 | ||
5036 | ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, srq->srqn, 0, | |
5037 | HNS_ROCE_CMD_MODIFY_SRQC, | |
5038 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
5039 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
5040 | if (ret) { | |
5041 | ibdev_err(&hr_dev->ib_dev, | |
5042 | "failed to handle cmd of modifying SRQ, ret = %d.\n", | |
5043 | ret); | |
5044 | return ret; | |
5045 | } | |
5046 | } | |
5047 | ||
5048 | return 0; | |
5049 | } | |
5050 | ||
5051 | static int hns_roce_v2_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr) | |
5052 | { | |
5053 | struct hns_roce_dev *hr_dev = to_hr_dev(ibsrq->device); | |
5054 | struct hns_roce_srq *srq = to_hr_srq(ibsrq); | |
5055 | struct hns_roce_srq_context *srq_context; | |
5056 | struct hns_roce_cmd_mailbox *mailbox; | |
5057 | int limit_wl; | |
5058 | int ret; | |
5059 | ||
5060 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
5061 | if (IS_ERR(mailbox)) | |
5062 | return PTR_ERR(mailbox); | |
5063 | ||
5064 | srq_context = mailbox->buf; | |
5065 | ret = hns_roce_cmd_mbox(hr_dev, 0, mailbox->dma, srq->srqn, 0, | |
5066 | HNS_ROCE_CMD_QUERY_SRQC, | |
5067 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
5068 | if (ret) { | |
5069 | ibdev_err(&hr_dev->ib_dev, | |
5070 | "failed to process cmd of querying SRQ, ret = %d.\n", | |
5071 | ret); | |
5072 | goto out; | |
5073 | } | |
5074 | ||
5075 | limit_wl = roce_get_field(srq_context->byte_8_limit_wl, | |
5076 | SRQC_BYTE_8_SRQ_LIMIT_WL_M, | |
5077 | SRQC_BYTE_8_SRQ_LIMIT_WL_S); | |
5078 | ||
5079 | attr->srq_limit = limit_wl; | |
6968aeb5 | 5080 | attr->max_wr = srq->wqe_cnt - 1; |
6da06c62 | 5081 | attr->max_sge = srq->max_gs; |
ffb1308b | 5082 | |
ffb1308b YL |
5083 | out: |
5084 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
5085 | return ret; | |
5086 | } | |
5087 | ||
5088 | static int hns_roce_v2_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period) | |
5089 | { | |
5090 | struct hns_roce_dev *hr_dev = to_hr_dev(cq->device); | |
5091 | struct hns_roce_v2_cq_context *cq_context; | |
5092 | struct hns_roce_cq *hr_cq = to_hr_cq(cq); | |
5093 | struct hns_roce_v2_cq_context *cqc_mask; | |
5094 | struct hns_roce_cmd_mailbox *mailbox; | |
5095 | int ret; | |
5096 | ||
5097 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
5098 | if (IS_ERR(mailbox)) | |
5099 | return PTR_ERR(mailbox); | |
5100 | ||
5101 | cq_context = mailbox->buf; | |
5102 | cqc_mask = (struct hns_roce_v2_cq_context *)mailbox->buf + 1; | |
5103 | ||
5104 | memset(cqc_mask, 0xff, sizeof(*cqc_mask)); | |
5105 | ||
5106 | roce_set_field(cq_context->byte_56_cqe_period_maxcnt, | |
5107 | V2_CQC_BYTE_56_CQ_MAX_CNT_M, V2_CQC_BYTE_56_CQ_MAX_CNT_S, | |
5108 | cq_count); | |
5109 | roce_set_field(cqc_mask->byte_56_cqe_period_maxcnt, | |
5110 | V2_CQC_BYTE_56_CQ_MAX_CNT_M, V2_CQC_BYTE_56_CQ_MAX_CNT_S, | |
5111 | 0); | |
5112 | roce_set_field(cq_context->byte_56_cqe_period_maxcnt, | |
5113 | V2_CQC_BYTE_56_CQ_PERIOD_M, V2_CQC_BYTE_56_CQ_PERIOD_S, | |
5114 | cq_period); | |
5115 | roce_set_field(cqc_mask->byte_56_cqe_period_maxcnt, | |
5116 | V2_CQC_BYTE_56_CQ_PERIOD_M, V2_CQC_BYTE_56_CQ_PERIOD_S, | |
5117 | 0); | |
5118 | ||
5119 | ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, hr_cq->cqn, 1, | |
5120 | HNS_ROCE_CMD_MODIFY_CQC, | |
5121 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
5122 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
5123 | if (ret) | |
5124 | ibdev_err(&hr_dev->ib_dev, | |
5125 | "failed to process cmd when modifying CQ, ret = %d\n", | |
5126 | ret); | |
5127 | ||
5128 | return ret; | |
5129 | } | |
5130 | ||
5131 | static void hns_roce_irq_work_handle(struct work_struct *work) | |
5132 | { | |
5133 | struct hns_roce_work *irq_work = | |
5134 | container_of(work, struct hns_roce_work, work); | |
5135 | struct ib_device *ibdev = &irq_work->hr_dev->ib_dev; | |
5136 | u32 qpn = irq_work->qpn; | |
5137 | u32 cqn = irq_work->cqn; | |
5138 | ||
5139 | switch (irq_work->event_type) { | |
5140 | case HNS_ROCE_EVENT_TYPE_PATH_MIG: | |
5141 | ibdev_info(ibdev, "Path migrated succeeded.\n"); | |
5142 | break; | |
5143 | case HNS_ROCE_EVENT_TYPE_PATH_MIG_FAILED: | |
5144 | ibdev_warn(ibdev, "Path migration failed.\n"); | |
5145 | break; | |
5146 | case HNS_ROCE_EVENT_TYPE_COMM_EST: | |
5147 | break; | |
5148 | case HNS_ROCE_EVENT_TYPE_SQ_DRAINED: | |
5149 | ibdev_warn(ibdev, "Send queue drained.\n"); | |
5150 | break; | |
5151 | case HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR: | |
5152 | ibdev_err(ibdev, "Local work queue 0x%x catast error, sub_event type is: %d\n", | |
5153 | qpn, irq_work->sub_type); | |
5154 | break; | |
5155 | case HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR: | |
5156 | ibdev_err(ibdev, "Invalid request local work queue 0x%x error.\n", | |
5157 | qpn); | |
5158 | break; | |
5159 | case HNS_ROCE_EVENT_TYPE_LOCAL_WQ_ACCESS_ERROR: | |
5160 | ibdev_err(ibdev, "Local access violation work queue 0x%x error, sub_event type is: %d\n", | |
5161 | qpn, irq_work->sub_type); | |
5162 | break; | |
5163 | case HNS_ROCE_EVENT_TYPE_SRQ_LIMIT_REACH: | |
5164 | ibdev_warn(ibdev, "SRQ limit reach.\n"); | |
5165 | break; | |
5166 | case HNS_ROCE_EVENT_TYPE_SRQ_LAST_WQE_REACH: | |
5167 | ibdev_warn(ibdev, "SRQ last wqe reach.\n"); | |
5168 | break; | |
5169 | case HNS_ROCE_EVENT_TYPE_SRQ_CATAS_ERROR: | |
5170 | ibdev_err(ibdev, "SRQ catas error.\n"); | |
5171 | break; | |
5172 | case HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR: | |
5173 | ibdev_err(ibdev, "CQ 0x%x access err.\n", cqn); | |
5174 | break; | |
5175 | case HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW: | |
5176 | ibdev_warn(ibdev, "CQ 0x%x overflow\n", cqn); | |
5177 | break; | |
5178 | case HNS_ROCE_EVENT_TYPE_DB_OVERFLOW: | |
5179 | ibdev_warn(ibdev, "DB overflow.\n"); | |
5180 | break; | |
5181 | case HNS_ROCE_EVENT_TYPE_FLR: | |
5182 | ibdev_warn(ibdev, "Function level reset.\n"); | |
5183 | break; | |
5184 | default: | |
5185 | break; | |
5186 | } | |
5187 | ||
5188 | kfree(irq_work); | |
5189 | } | |
0425e3e6 YL |
5190 | |
5191 | static void hns_roce_v2_init_irq_work(struct hns_roce_dev *hr_dev, | |
b00a92c8 | 5192 | struct hns_roce_eq *eq, |
5193 | u32 qpn, u32 cqn) | |
0425e3e6 YL |
5194 | { |
5195 | struct hns_roce_work *irq_work; | |
5196 | ||
5197 | irq_work = kzalloc(sizeof(struct hns_roce_work), GFP_ATOMIC); | |
5198 | if (!irq_work) | |
5199 | return; | |
5200 | ||
5201 | INIT_WORK(&(irq_work->work), hns_roce_irq_work_handle); | |
5202 | irq_work->hr_dev = hr_dev; | |
5203 | irq_work->qpn = qpn; | |
b00a92c8 | 5204 | irq_work->cqn = cqn; |
0425e3e6 YL |
5205 | irq_work->event_type = eq->event_type; |
5206 | irq_work->sub_type = eq->sub_type; | |
5207 | queue_work(hr_dev->irq_workq, &(irq_work->work)); | |
5208 | } | |
5209 | ||
a5073d60 YL |
5210 | static void set_eq_cons_index_v2(struct hns_roce_eq *eq) |
5211 | { | |
d3743fa9 | 5212 | struct hns_roce_dev *hr_dev = eq->hr_dev; |
880f133c | 5213 | __le32 doorbell[2] = {}; |
a5073d60 YL |
5214 | |
5215 | if (eq->type_flag == HNS_ROCE_AEQ) { | |
5216 | roce_set_field(doorbell[0], HNS_ROCE_V2_EQ_DB_CMD_M, | |
5217 | HNS_ROCE_V2_EQ_DB_CMD_S, | |
5218 | eq->arm_st == HNS_ROCE_V2_EQ_ALWAYS_ARMED ? | |
5219 | HNS_ROCE_EQ_DB_CMD_AEQ : | |
5220 | HNS_ROCE_EQ_DB_CMD_AEQ_ARMED); | |
5221 | } else { | |
5222 | roce_set_field(doorbell[0], HNS_ROCE_V2_EQ_DB_TAG_M, | |
5223 | HNS_ROCE_V2_EQ_DB_TAG_S, eq->eqn); | |
5224 | ||
5225 | roce_set_field(doorbell[0], HNS_ROCE_V2_EQ_DB_CMD_M, | |
5226 | HNS_ROCE_V2_EQ_DB_CMD_S, | |
5227 | eq->arm_st == HNS_ROCE_V2_EQ_ALWAYS_ARMED ? | |
5228 | HNS_ROCE_EQ_DB_CMD_CEQ : | |
5229 | HNS_ROCE_EQ_DB_CMD_CEQ_ARMED); | |
5230 | } | |
5231 | ||
5232 | roce_set_field(doorbell[1], HNS_ROCE_V2_EQ_DB_PARA_M, | |
5233 | HNS_ROCE_V2_EQ_DB_PARA_S, | |
5234 | (eq->cons_index & HNS_ROCE_V2_CONS_IDX_M)); | |
5235 | ||
d3743fa9 | 5236 | hns_roce_write64(hr_dev, doorbell, eq->doorbell); |
a5073d60 YL |
5237 | } |
5238 | ||
a5073d60 YL |
5239 | static struct hns_roce_aeqe *next_aeqe_sw_v2(struct hns_roce_eq *eq) |
5240 | { | |
5241 | struct hns_roce_aeqe *aeqe; | |
5242 | ||
477a0a38 | 5243 | aeqe = hns_roce_buf_offset(eq->mtr.kmem, |
cc23267a XW |
5244 | (eq->cons_index & (eq->entries - 1)) * |
5245 | HNS_ROCE_AEQ_ENTRY_SIZE); | |
5246 | ||
a5073d60 YL |
5247 | return (roce_get_bit(aeqe->asyn, HNS_ROCE_V2_AEQ_AEQE_OWNER_S) ^ |
5248 | !!(eq->cons_index & eq->entries)) ? aeqe : NULL; | |
5249 | } | |
5250 | ||
5251 | static int hns_roce_v2_aeq_int(struct hns_roce_dev *hr_dev, | |
5252 | struct hns_roce_eq *eq) | |
5253 | { | |
5254 | struct device *dev = hr_dev->dev; | |
e7f40440 | 5255 | struct hns_roce_aeqe *aeqe = next_aeqe_sw_v2(eq); |
a5073d60 YL |
5256 | int aeqe_found = 0; |
5257 | int event_type; | |
0425e3e6 | 5258 | int sub_type; |
81fce629 | 5259 | u32 srqn; |
0425e3e6 YL |
5260 | u32 qpn; |
5261 | u32 cqn; | |
a5073d60 | 5262 | |
e7f40440 | 5263 | while (aeqe) { |
4044a3f4 YL |
5264 | /* Make sure we read AEQ entry after we have checked the |
5265 | * ownership bit | |
5266 | */ | |
5267 | dma_rmb(); | |
a5073d60 YL |
5268 | |
5269 | event_type = roce_get_field(aeqe->asyn, | |
5270 | HNS_ROCE_V2_AEQE_EVENT_TYPE_M, | |
5271 | HNS_ROCE_V2_AEQE_EVENT_TYPE_S); | |
0425e3e6 YL |
5272 | sub_type = roce_get_field(aeqe->asyn, |
5273 | HNS_ROCE_V2_AEQE_SUB_TYPE_M, | |
5274 | HNS_ROCE_V2_AEQE_SUB_TYPE_S); | |
5275 | qpn = roce_get_field(aeqe->event.qp_event.qp, | |
5276 | HNS_ROCE_V2_AEQE_EVENT_QUEUE_NUM_M, | |
5277 | HNS_ROCE_V2_AEQE_EVENT_QUEUE_NUM_S); | |
5278 | cqn = roce_get_field(aeqe->event.cq_event.cq, | |
5279 | HNS_ROCE_V2_AEQE_EVENT_QUEUE_NUM_M, | |
5280 | HNS_ROCE_V2_AEQE_EVENT_QUEUE_NUM_S); | |
81fce629 LO |
5281 | srqn = roce_get_field(aeqe->event.srq_event.srq, |
5282 | HNS_ROCE_V2_AEQE_EVENT_QUEUE_NUM_M, | |
5283 | HNS_ROCE_V2_AEQE_EVENT_QUEUE_NUM_S); | |
a5073d60 YL |
5284 | |
5285 | switch (event_type) { | |
5286 | case HNS_ROCE_EVENT_TYPE_PATH_MIG: | |
a5073d60 | 5287 | case HNS_ROCE_EVENT_TYPE_PATH_MIG_FAILED: |
a5073d60 YL |
5288 | case HNS_ROCE_EVENT_TYPE_COMM_EST: |
5289 | case HNS_ROCE_EVENT_TYPE_SQ_DRAINED: | |
5290 | case HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR: | |
81fce629 | 5291 | case HNS_ROCE_EVENT_TYPE_SRQ_LAST_WQE_REACH: |
a5073d60 YL |
5292 | case HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR: |
5293 | case HNS_ROCE_EVENT_TYPE_LOCAL_WQ_ACCESS_ERROR: | |
b00a92c8 | 5294 | hns_roce_qp_event(hr_dev, qpn, event_type); |
a5073d60 YL |
5295 | break; |
5296 | case HNS_ROCE_EVENT_TYPE_SRQ_LIMIT_REACH: | |
a5073d60 | 5297 | case HNS_ROCE_EVENT_TYPE_SRQ_CATAS_ERROR: |
81fce629 | 5298 | hns_roce_srq_event(hr_dev, srqn, event_type); |
a5073d60 YL |
5299 | break; |
5300 | case HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR: | |
5301 | case HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW: | |
b00a92c8 | 5302 | hns_roce_cq_event(hr_dev, cqn, event_type); |
a5073d60 YL |
5303 | break; |
5304 | case HNS_ROCE_EVENT_TYPE_DB_OVERFLOW: | |
a5073d60 YL |
5305 | break; |
5306 | case HNS_ROCE_EVENT_TYPE_MB: | |
5307 | hns_roce_cmd_event(hr_dev, | |
5308 | le16_to_cpu(aeqe->event.cmd.token), | |
5309 | aeqe->event.cmd.status, | |
5310 | le64_to_cpu(aeqe->event.cmd.out_param)); | |
5311 | break; | |
5312 | case HNS_ROCE_EVENT_TYPE_CEQ_OVERFLOW: | |
a5073d60 YL |
5313 | break; |
5314 | case HNS_ROCE_EVENT_TYPE_FLR: | |
a5073d60 YL |
5315 | break; |
5316 | default: | |
5317 | dev_err(dev, "Unhandled event %d on EQ %d at idx %u.\n", | |
5318 | event_type, eq->eqn, eq->cons_index); | |
5319 | break; | |
790b57f6 | 5320 | } |
a5073d60 | 5321 | |
0425e3e6 YL |
5322 | eq->event_type = event_type; |
5323 | eq->sub_type = sub_type; | |
a5073d60 YL |
5324 | ++eq->cons_index; |
5325 | aeqe_found = 1; | |
5326 | ||
249f2f92 | 5327 | if (eq->cons_index > (2 * eq->entries - 1)) |
a5073d60 | 5328 | eq->cons_index = 0; |
249f2f92 | 5329 | |
b00a92c8 | 5330 | hns_roce_v2_init_irq_work(hr_dev, eq, qpn, cqn); |
e7f40440 LC |
5331 | |
5332 | aeqe = next_aeqe_sw_v2(eq); | |
a5073d60 YL |
5333 | } |
5334 | ||
5335 | set_eq_cons_index_v2(eq); | |
5336 | return aeqe_found; | |
5337 | } | |
5338 | ||
a5073d60 YL |
5339 | static struct hns_roce_ceqe *next_ceqe_sw_v2(struct hns_roce_eq *eq) |
5340 | { | |
5341 | struct hns_roce_ceqe *ceqe; | |
5342 | ||
477a0a38 | 5343 | ceqe = hns_roce_buf_offset(eq->mtr.kmem, |
cc23267a XW |
5344 | (eq->cons_index & (eq->entries - 1)) * |
5345 | HNS_ROCE_CEQ_ENTRY_SIZE); | |
a5073d60 YL |
5346 | return (!!(roce_get_bit(ceqe->comp, HNS_ROCE_V2_CEQ_CEQE_OWNER_S))) ^ |
5347 | (!!(eq->cons_index & eq->entries)) ? ceqe : NULL; | |
5348 | } | |
5349 | ||
5350 | static int hns_roce_v2_ceq_int(struct hns_roce_dev *hr_dev, | |
5351 | struct hns_roce_eq *eq) | |
5352 | { | |
e7f40440 | 5353 | struct hns_roce_ceqe *ceqe = next_ceqe_sw_v2(eq); |
a5073d60 YL |
5354 | int ceqe_found = 0; |
5355 | u32 cqn; | |
5356 | ||
e7f40440 | 5357 | while (ceqe) { |
4044a3f4 YL |
5358 | /* Make sure we read CEQ entry after we have checked the |
5359 | * ownership bit | |
5360 | */ | |
5361 | dma_rmb(); | |
5362 | ||
60262b10 | 5363 | cqn = roce_get_field(ceqe->comp, HNS_ROCE_V2_CEQE_COMP_CQN_M, |
a5073d60 YL |
5364 | HNS_ROCE_V2_CEQE_COMP_CQN_S); |
5365 | ||
5366 | hns_roce_cq_completion(hr_dev, cqn); | |
5367 | ||
5368 | ++eq->cons_index; | |
5369 | ceqe_found = 1; | |
5370 | ||
bceda6e6 | 5371 | if (eq->cons_index > (EQ_DEPTH_COEFF * eq->entries - 1)) |
a5073d60 | 5372 | eq->cons_index = 0; |
e7f40440 LC |
5373 | |
5374 | ceqe = next_ceqe_sw_v2(eq); | |
a5073d60 YL |
5375 | } |
5376 | ||
5377 | set_eq_cons_index_v2(eq); | |
5378 | ||
5379 | return ceqe_found; | |
5380 | } | |
5381 | ||
5382 | static irqreturn_t hns_roce_v2_msix_interrupt_eq(int irq, void *eq_ptr) | |
5383 | { | |
5384 | struct hns_roce_eq *eq = eq_ptr; | |
5385 | struct hns_roce_dev *hr_dev = eq->hr_dev; | |
a2f3d447 | 5386 | int int_work; |
a5073d60 YL |
5387 | |
5388 | if (eq->type_flag == HNS_ROCE_CEQ) | |
5389 | /* Completion event interrupt */ | |
5390 | int_work = hns_roce_v2_ceq_int(hr_dev, eq); | |
5391 | else | |
5392 | /* Asychronous event interrupt */ | |
5393 | int_work = hns_roce_v2_aeq_int(hr_dev, eq); | |
5394 | ||
5395 | return IRQ_RETVAL(int_work); | |
5396 | } | |
5397 | ||
5398 | static irqreturn_t hns_roce_v2_msix_interrupt_abn(int irq, void *dev_id) | |
5399 | { | |
5400 | struct hns_roce_dev *hr_dev = dev_id; | |
5401 | struct device *dev = hr_dev->dev; | |
5402 | int int_work = 0; | |
5403 | u32 int_st; | |
5404 | u32 int_en; | |
5405 | ||
5406 | /* Abnormal interrupt */ | |
5407 | int_st = roce_read(hr_dev, ROCEE_VF_ABN_INT_ST_REG); | |
5408 | int_en = roce_read(hr_dev, ROCEE_VF_ABN_INT_EN_REG); | |
5409 | ||
bfe86035 | 5410 | if (int_st & BIT(HNS_ROCE_V2_VF_INT_ST_AEQ_OVERFLOW_S)) { |
2b9acb9a XT |
5411 | struct pci_dev *pdev = hr_dev->pci_dev; |
5412 | struct hnae3_ae_dev *ae_dev = pci_get_drvdata(pdev); | |
5413 | const struct hnae3_ae_ops *ops = ae_dev->ops; | |
5414 | ||
a5073d60 YL |
5415 | dev_err(dev, "AEQ overflow!\n"); |
5416 | ||
bfe86035 | 5417 | int_st |= 1 << HNS_ROCE_V2_VF_INT_ST_AEQ_OVERFLOW_S; |
a5073d60 YL |
5418 | roce_write(hr_dev, ROCEE_VF_ABN_INT_ST_REG, int_st); |
5419 | ||
2b9acb9a XT |
5420 | /* Set reset level for reset_event() */ |
5421 | if (ops->set_default_reset_request) | |
5422 | ops->set_default_reset_request(ae_dev, | |
5423 | HNAE3_FUNC_RESET); | |
5424 | if (ops->reset_event) | |
5425 | ops->reset_event(pdev, NULL); | |
5426 | ||
bfe86035 | 5427 | int_en |= 1 << HNS_ROCE_V2_VF_ABN_INT_EN_S; |
a5073d60 YL |
5428 | roce_write(hr_dev, ROCEE_VF_ABN_INT_EN_REG, int_en); |
5429 | ||
5430 | int_work = 1; | |
bfe86035 | 5431 | } else if (int_st & BIT(HNS_ROCE_V2_VF_INT_ST_BUS_ERR_S)) { |
a5073d60 YL |
5432 | dev_err(dev, "BUS ERR!\n"); |
5433 | ||
bfe86035 | 5434 | int_st |= 1 << HNS_ROCE_V2_VF_INT_ST_BUS_ERR_S; |
a5073d60 YL |
5435 | roce_write(hr_dev, ROCEE_VF_ABN_INT_ST_REG, int_st); |
5436 | ||
bfe86035 | 5437 | int_en |= 1 << HNS_ROCE_V2_VF_ABN_INT_EN_S; |
a5073d60 YL |
5438 | roce_write(hr_dev, ROCEE_VF_ABN_INT_EN_REG, int_en); |
5439 | ||
5440 | int_work = 1; | |
bfe86035 | 5441 | } else if (int_st & BIT(HNS_ROCE_V2_VF_INT_ST_OTHER_ERR_S)) { |
a5073d60 YL |
5442 | dev_err(dev, "OTHER ERR!\n"); |
5443 | ||
bfe86035 | 5444 | int_st |= 1 << HNS_ROCE_V2_VF_INT_ST_OTHER_ERR_S; |
a5073d60 YL |
5445 | roce_write(hr_dev, ROCEE_VF_ABN_INT_ST_REG, int_st); |
5446 | ||
bfe86035 | 5447 | int_en |= 1 << HNS_ROCE_V2_VF_ABN_INT_EN_S; |
a5073d60 YL |
5448 | roce_write(hr_dev, ROCEE_VF_ABN_INT_EN_REG, int_en); |
5449 | ||
5450 | int_work = 1; | |
5451 | } else | |
5452 | dev_err(dev, "There is no abnormal irq found!\n"); | |
5453 | ||
5454 | return IRQ_RETVAL(int_work); | |
5455 | } | |
5456 | ||
5457 | static void hns_roce_v2_int_mask_enable(struct hns_roce_dev *hr_dev, | |
5458 | int eq_num, int enable_flag) | |
5459 | { | |
5460 | int i; | |
5461 | ||
5462 | if (enable_flag == EQ_ENABLE) { | |
5463 | for (i = 0; i < eq_num; i++) | |
5464 | roce_write(hr_dev, ROCEE_VF_EVENT_INT_EN_REG + | |
5465 | i * EQ_REG_OFFSET, | |
5466 | HNS_ROCE_V2_VF_EVENT_INT_EN_M); | |
5467 | ||
5468 | roce_write(hr_dev, ROCEE_VF_ABN_INT_EN_REG, | |
5469 | HNS_ROCE_V2_VF_ABN_INT_EN_M); | |
5470 | roce_write(hr_dev, ROCEE_VF_ABN_INT_CFG_REG, | |
5471 | HNS_ROCE_V2_VF_ABN_INT_CFG_M); | |
5472 | } else { | |
5473 | for (i = 0; i < eq_num; i++) | |
5474 | roce_write(hr_dev, ROCEE_VF_EVENT_INT_EN_REG + | |
5475 | i * EQ_REG_OFFSET, | |
5476 | HNS_ROCE_V2_VF_EVENT_INT_EN_M & 0x0); | |
5477 | ||
5478 | roce_write(hr_dev, ROCEE_VF_ABN_INT_EN_REG, | |
5479 | HNS_ROCE_V2_VF_ABN_INT_EN_M & 0x0); | |
5480 | roce_write(hr_dev, ROCEE_VF_ABN_INT_CFG_REG, | |
5481 | HNS_ROCE_V2_VF_ABN_INT_CFG_M & 0x0); | |
5482 | } | |
5483 | } | |
5484 | ||
5485 | static void hns_roce_v2_destroy_eqc(struct hns_roce_dev *hr_dev, int eqn) | |
5486 | { | |
5487 | struct device *dev = hr_dev->dev; | |
5488 | int ret; | |
5489 | ||
5490 | if (eqn < hr_dev->caps.num_comp_vectors) | |
5491 | ret = hns_roce_cmd_mbox(hr_dev, 0, 0, eqn & HNS_ROCE_V2_EQN_M, | |
5492 | 0, HNS_ROCE_CMD_DESTROY_CEQC, | |
5493 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
5494 | else | |
5495 | ret = hns_roce_cmd_mbox(hr_dev, 0, 0, eqn & HNS_ROCE_V2_EQN_M, | |
5496 | 0, HNS_ROCE_CMD_DESTROY_AEQC, | |
5497 | HNS_ROCE_CMD_TIMEOUT_MSECS); | |
5498 | if (ret) | |
5499 | dev_err(dev, "[mailbox cmd] destroy eqc(%d) failed.\n", eqn); | |
5500 | } | |
5501 | ||
d7e2d343 | 5502 | static void free_eq_buf(struct hns_roce_dev *hr_dev, struct hns_roce_eq *eq) |
a5073d60 | 5503 | { |
477a0a38 | 5504 | hns_roce_mtr_destroy(hr_dev, &eq->mtr); |
a5073d60 YL |
5505 | } |
5506 | ||
477a0a38 XW |
5507 | static int config_eqc(struct hns_roce_dev *hr_dev, struct hns_roce_eq *eq, |
5508 | void *mb_buf) | |
a5073d60 | 5509 | { |
477a0a38 | 5510 | u64 eqe_ba[MTT_MIN_COUNT] = { 0 }; |
a5073d60 | 5511 | struct hns_roce_eq_context *eqc; |
477a0a38 | 5512 | u64 bt_ba = 0; |
d7e2d343 | 5513 | int count; |
a5073d60 YL |
5514 | |
5515 | eqc = mb_buf; | |
5516 | memset(eqc, 0, sizeof(struct hns_roce_eq_context)); | |
5517 | ||
5518 | /* init eqc */ | |
5519 | eq->doorbell = hr_dev->reg_base + ROCEE_VF_EQ_DB_CFG0_REG; | |
a5073d60 YL |
5520 | eq->cons_index = 0; |
5521 | eq->over_ignore = HNS_ROCE_V2_EQ_OVER_IGNORE_0; | |
5522 | eq->coalesce = HNS_ROCE_V2_EQ_COALESCE_0; | |
5523 | eq->arm_st = HNS_ROCE_V2_EQ_ALWAYS_ARMED; | |
a5073d60 YL |
5524 | eq->shift = ilog2((unsigned int)eq->entries); |
5525 | ||
cc23267a | 5526 | /* if not multi-hop, eqe buffer only use one trunk */ |
477a0a38 XW |
5527 | count = hns_roce_mtr_find(hr_dev, &eq->mtr, 0, eqe_ba, MTT_MIN_COUNT, |
5528 | &bt_ba); | |
5529 | if (count < 1) { | |
5530 | dev_err(hr_dev->dev, "failed to find EQE mtr\n"); | |
5531 | return -ENOBUFS; | |
d7e2d343 | 5532 | } |
a5073d60 YL |
5533 | |
5534 | /* set eqc state */ | |
60262b10 | 5535 | roce_set_field(eqc->byte_4, HNS_ROCE_EQC_EQ_ST_M, HNS_ROCE_EQC_EQ_ST_S, |
a5073d60 YL |
5536 | HNS_ROCE_V2_EQ_STATE_VALID); |
5537 | ||
5538 | /* set eqe hop num */ | |
60262b10 | 5539 | roce_set_field(eqc->byte_4, HNS_ROCE_EQC_HOP_NUM_M, |
a5073d60 YL |
5540 | HNS_ROCE_EQC_HOP_NUM_S, eq->hop_num); |
5541 | ||
5542 | /* set eqc over_ignore */ | |
60262b10 | 5543 | roce_set_field(eqc->byte_4, HNS_ROCE_EQC_OVER_IGNORE_M, |
a5073d60 YL |
5544 | HNS_ROCE_EQC_OVER_IGNORE_S, eq->over_ignore); |
5545 | ||
5546 | /* set eqc coalesce */ | |
60262b10 | 5547 | roce_set_field(eqc->byte_4, HNS_ROCE_EQC_COALESCE_M, |
a5073d60 YL |
5548 | HNS_ROCE_EQC_COALESCE_S, eq->coalesce); |
5549 | ||
5550 | /* set eqc arm_state */ | |
60262b10 | 5551 | roce_set_field(eqc->byte_4, HNS_ROCE_EQC_ARM_ST_M, |
a5073d60 YL |
5552 | HNS_ROCE_EQC_ARM_ST_S, eq->arm_st); |
5553 | ||
5554 | /* set eqn */ | |
60262b10 LO |
5555 | roce_set_field(eqc->byte_4, HNS_ROCE_EQC_EQN_M, HNS_ROCE_EQC_EQN_S, |
5556 | eq->eqn); | |
a5073d60 YL |
5557 | |
5558 | /* set eqe_cnt */ | |
60262b10 LO |
5559 | roce_set_field(eqc->byte_4, HNS_ROCE_EQC_EQE_CNT_M, |
5560 | HNS_ROCE_EQC_EQE_CNT_S, HNS_ROCE_EQ_INIT_EQE_CNT); | |
a5073d60 YL |
5561 | |
5562 | /* set eqe_ba_pg_sz */ | |
60262b10 | 5563 | roce_set_field(eqc->byte_8, HNS_ROCE_EQC_BA_PG_SZ_M, |
5e6e78db | 5564 | HNS_ROCE_EQC_BA_PG_SZ_S, |
477a0a38 | 5565 | to_hr_hw_page_shift(eq->mtr.hem_cfg.ba_pg_shift)); |
a5073d60 YL |
5566 | |
5567 | /* set eqe_buf_pg_sz */ | |
60262b10 | 5568 | roce_set_field(eqc->byte_8, HNS_ROCE_EQC_BUF_PG_SZ_M, |
5e6e78db | 5569 | HNS_ROCE_EQC_BUF_PG_SZ_S, |
477a0a38 | 5570 | to_hr_hw_page_shift(eq->mtr.hem_cfg.buf_pg_shift)); |
a5073d60 YL |
5571 | |
5572 | /* set eq_producer_idx */ | |
60262b10 LO |
5573 | roce_set_field(eqc->byte_8, HNS_ROCE_EQC_PROD_INDX_M, |
5574 | HNS_ROCE_EQC_PROD_INDX_S, HNS_ROCE_EQ_INIT_PROD_IDX); | |
a5073d60 YL |
5575 | |
5576 | /* set eq_max_cnt */ | |
60262b10 | 5577 | roce_set_field(eqc->byte_12, HNS_ROCE_EQC_MAX_CNT_M, |
a5073d60 YL |
5578 | HNS_ROCE_EQC_MAX_CNT_S, eq->eq_max_cnt); |
5579 | ||
5580 | /* set eq_period */ | |
60262b10 | 5581 | roce_set_field(eqc->byte_12, HNS_ROCE_EQC_PERIOD_M, |
a5073d60 YL |
5582 | HNS_ROCE_EQC_PERIOD_S, eq->eq_period); |
5583 | ||
5584 | /* set eqe_report_timer */ | |
60262b10 | 5585 | roce_set_field(eqc->eqe_report_timer, HNS_ROCE_EQC_REPORT_TIMER_M, |
a5073d60 YL |
5586 | HNS_ROCE_EQC_REPORT_TIMER_S, |
5587 | HNS_ROCE_EQ_INIT_REPORT_TIMER); | |
5588 | ||
477a0a38 | 5589 | /* set bt_ba [34:3] */ |
60262b10 | 5590 | roce_set_field(eqc->eqe_ba0, HNS_ROCE_EQC_EQE_BA_L_M, |
477a0a38 | 5591 | HNS_ROCE_EQC_EQE_BA_L_S, bt_ba >> 3); |
a5073d60 | 5592 | |
477a0a38 | 5593 | /* set bt_ba [64:35] */ |
60262b10 | 5594 | roce_set_field(eqc->eqe_ba1, HNS_ROCE_EQC_EQE_BA_H_M, |
477a0a38 | 5595 | HNS_ROCE_EQC_EQE_BA_H_S, bt_ba >> 35); |
a5073d60 YL |
5596 | |
5597 | /* set eq shift */ | |
60262b10 LO |
5598 | roce_set_field(eqc->byte_28, HNS_ROCE_EQC_SHIFT_M, HNS_ROCE_EQC_SHIFT_S, |
5599 | eq->shift); | |
a5073d60 YL |
5600 | |
5601 | /* set eq MSI_IDX */ | |
60262b10 LO |
5602 | roce_set_field(eqc->byte_28, HNS_ROCE_EQC_MSI_INDX_M, |
5603 | HNS_ROCE_EQC_MSI_INDX_S, HNS_ROCE_EQ_INIT_MSI_IDX); | |
a5073d60 YL |
5604 | |
5605 | /* set cur_eqe_ba [27:12] */ | |
60262b10 | 5606 | roce_set_field(eqc->byte_28, HNS_ROCE_EQC_CUR_EQE_BA_L_M, |
477a0a38 | 5607 | HNS_ROCE_EQC_CUR_EQE_BA_L_S, eqe_ba[0] >> 12); |
a5073d60 YL |
5608 | |
5609 | /* set cur_eqe_ba [59:28] */ | |
60262b10 | 5610 | roce_set_field(eqc->byte_32, HNS_ROCE_EQC_CUR_EQE_BA_M_M, |
477a0a38 | 5611 | HNS_ROCE_EQC_CUR_EQE_BA_M_S, eqe_ba[0] >> 28); |
a5073d60 YL |
5612 | |
5613 | /* set cur_eqe_ba [63:60] */ | |
60262b10 | 5614 | roce_set_field(eqc->byte_36, HNS_ROCE_EQC_CUR_EQE_BA_H_M, |
477a0a38 | 5615 | HNS_ROCE_EQC_CUR_EQE_BA_H_S, eqe_ba[0] >> 60); |
a5073d60 YL |
5616 | |
5617 | /* set eq consumer idx */ | |
60262b10 LO |
5618 | roce_set_field(eqc->byte_36, HNS_ROCE_EQC_CONS_INDX_M, |
5619 | HNS_ROCE_EQC_CONS_INDX_S, HNS_ROCE_EQ_INIT_CONS_IDX); | |
a5073d60 YL |
5620 | |
5621 | /* set nex_eqe_ba[43:12] */ | |
60262b10 | 5622 | roce_set_field(eqc->nxt_eqe_ba0, HNS_ROCE_EQC_NXT_EQE_BA_L_M, |
477a0a38 | 5623 | HNS_ROCE_EQC_NXT_EQE_BA_L_S, eqe_ba[1] >> 12); |
a5073d60 YL |
5624 | |
5625 | /* set nex_eqe_ba[63:44] */ | |
60262b10 | 5626 | roce_set_field(eqc->nxt_eqe_ba1, HNS_ROCE_EQC_NXT_EQE_BA_H_M, |
477a0a38 | 5627 | HNS_ROCE_EQC_NXT_EQE_BA_H_S, eqe_ba[1] >> 44); |
a5073d60 | 5628 | |
477a0a38 | 5629 | return 0; |
d7e2d343 | 5630 | } |
a5073d60 | 5631 | |
d7e2d343 XW |
5632 | static int alloc_eq_buf(struct hns_roce_dev *hr_dev, struct hns_roce_eq *eq) |
5633 | { | |
477a0a38 XW |
5634 | struct hns_roce_buf_attr buf_attr = {}; |
5635 | int err; | |
a5073d60 | 5636 | |
477a0a38 XW |
5637 | if (hr_dev->caps.eqe_hop_num == HNS_ROCE_HOP_NUM_0) |
5638 | eq->hop_num = 0; | |
5639 | else | |
5640 | eq->hop_num = hr_dev->caps.eqe_hop_num; | |
a5073d60 | 5641 | |
9581a356 | 5642 | buf_attr.page_shift = hr_dev->caps.eqe_buf_pg_sz + HNS_HW_PAGE_SHIFT; |
477a0a38 XW |
5643 | buf_attr.region[0].size = eq->entries * eq->eqe_size; |
5644 | buf_attr.region[0].hopnum = eq->hop_num; | |
5645 | buf_attr.region_count = 1; | |
5646 | buf_attr.fixed_page = true; | |
d7e2d343 | 5647 | |
477a0a38 | 5648 | err = hns_roce_mtr_create(hr_dev, &eq->mtr, &buf_attr, |
053c0acf | 5649 | hr_dev->caps.eqe_ba_pg_sz + |
9581a356 | 5650 | HNS_HW_PAGE_SHIFT, NULL, 0); |
477a0a38 XW |
5651 | if (err) |
5652 | dev_err(hr_dev->dev, "Failed to alloc EQE mtr, err %d\n", err); | |
a5073d60 | 5653 | |
477a0a38 | 5654 | return err; |
a5073d60 YL |
5655 | } |
5656 | ||
5657 | static int hns_roce_v2_create_eq(struct hns_roce_dev *hr_dev, | |
5658 | struct hns_roce_eq *eq, | |
5659 | unsigned int eq_cmd) | |
5660 | { | |
a5073d60 | 5661 | struct hns_roce_cmd_mailbox *mailbox; |
a5073d60 YL |
5662 | int ret; |
5663 | ||
5664 | /* Allocate mailbox memory */ | |
5665 | mailbox = hns_roce_alloc_cmd_mailbox(hr_dev); | |
477a0a38 XW |
5666 | if (IS_ERR_OR_NULL(mailbox)) |
5667 | return -ENOMEM; | |
a5073d60 | 5668 | |
d7e2d343 | 5669 | ret = alloc_eq_buf(hr_dev, eq); |
477a0a38 | 5670 | if (ret) |
d7e2d343 | 5671 | goto free_cmd_mbox; |
477a0a38 XW |
5672 | |
5673 | ret = config_eqc(hr_dev, eq, mailbox->buf); | |
5674 | if (ret) | |
5675 | goto err_cmd_mbox; | |
a5073d60 YL |
5676 | |
5677 | ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0, eq->eqn, 0, | |
5678 | eq_cmd, HNS_ROCE_CMD_TIMEOUT_MSECS); | |
5679 | if (ret) { | |
d7e2d343 | 5680 | dev_err(hr_dev->dev, "[mailbox cmd] create eqc failed.\n"); |
a5073d60 YL |
5681 | goto err_cmd_mbox; |
5682 | } | |
5683 | ||
5684 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
5685 | ||
5686 | return 0; | |
5687 | ||
5688 | err_cmd_mbox: | |
d7e2d343 | 5689 | free_eq_buf(hr_dev, eq); |
a5073d60 YL |
5690 | |
5691 | free_cmd_mbox: | |
5692 | hns_roce_free_cmd_mailbox(hr_dev, mailbox); | |
5693 | ||
5694 | return ret; | |
5695 | } | |
5696 | ||
33db6f94 YL |
5697 | static int __hns_roce_request_irq(struct hns_roce_dev *hr_dev, int irq_num, |
5698 | int comp_num, int aeq_num, int other_num) | |
5699 | { | |
5700 | struct hns_roce_eq_table *eq_table = &hr_dev->eq_table; | |
5701 | int i, j; | |
5702 | int ret; | |
5703 | ||
5704 | for (i = 0; i < irq_num; i++) { | |
5705 | hr_dev->irq_names[i] = kzalloc(HNS_ROCE_INT_NAME_LEN, | |
5706 | GFP_KERNEL); | |
5707 | if (!hr_dev->irq_names[i]) { | |
5708 | ret = -ENOMEM; | |
5709 | goto err_kzalloc_failed; | |
5710 | } | |
5711 | } | |
5712 | ||
6def7de6 | 5713 | /* irq contains: abnormal + AEQ + CEQ */ |
bebdb83f | 5714 | for (j = 0; j < other_num; j++) |
60262b10 LO |
5715 | snprintf((char *)hr_dev->irq_names[j], HNS_ROCE_INT_NAME_LEN, |
5716 | "hns-abn-%d", j); | |
bebdb83f LC |
5717 | |
5718 | for (j = other_num; j < (other_num + aeq_num); j++) | |
60262b10 LO |
5719 | snprintf((char *)hr_dev->irq_names[j], HNS_ROCE_INT_NAME_LEN, |
5720 | "hns-aeq-%d", j - other_num); | |
bebdb83f LC |
5721 | |
5722 | for (j = (other_num + aeq_num); j < irq_num; j++) | |
60262b10 LO |
5723 | snprintf((char *)hr_dev->irq_names[j], HNS_ROCE_INT_NAME_LEN, |
5724 | "hns-ceq-%d", j - other_num - aeq_num); | |
33db6f94 YL |
5725 | |
5726 | for (j = 0; j < irq_num; j++) { | |
5727 | if (j < other_num) | |
5728 | ret = request_irq(hr_dev->irq[j], | |
5729 | hns_roce_v2_msix_interrupt_abn, | |
5730 | 0, hr_dev->irq_names[j], hr_dev); | |
5731 | ||
5732 | else if (j < (other_num + comp_num)) | |
5733 | ret = request_irq(eq_table->eq[j - other_num].irq, | |
5734 | hns_roce_v2_msix_interrupt_eq, | |
5735 | 0, hr_dev->irq_names[j + aeq_num], | |
5736 | &eq_table->eq[j - other_num]); | |
5737 | else | |
5738 | ret = request_irq(eq_table->eq[j - other_num].irq, | |
5739 | hns_roce_v2_msix_interrupt_eq, | |
5740 | 0, hr_dev->irq_names[j - comp_num], | |
5741 | &eq_table->eq[j - other_num]); | |
5742 | if (ret) { | |
5743 | dev_err(hr_dev->dev, "Request irq error!\n"); | |
5744 | goto err_request_failed; | |
5745 | } | |
5746 | } | |
5747 | ||
5748 | return 0; | |
5749 | ||
5750 | err_request_failed: | |
5751 | for (j -= 1; j >= 0; j--) | |
5752 | if (j < other_num) | |
5753 | free_irq(hr_dev->irq[j], hr_dev); | |
5754 | else | |
5755 | free_irq(eq_table->eq[j - other_num].irq, | |
5756 | &eq_table->eq[j - other_num]); | |
5757 | ||
5758 | err_kzalloc_failed: | |
5759 | for (i -= 1; i >= 0; i--) | |
5760 | kfree(hr_dev->irq_names[i]); | |
5761 | ||
5762 | return ret; | |
5763 | } | |
5764 | ||
5765 | static void __hns_roce_free_irq(struct hns_roce_dev *hr_dev) | |
5766 | { | |
5767 | int irq_num; | |
5768 | int eq_num; | |
5769 | int i; | |
5770 | ||
5771 | eq_num = hr_dev->caps.num_comp_vectors + hr_dev->caps.num_aeq_vectors; | |
5772 | irq_num = eq_num + hr_dev->caps.num_other_vectors; | |
5773 | ||
5774 | for (i = 0; i < hr_dev->caps.num_other_vectors; i++) | |
5775 | free_irq(hr_dev->irq[i], hr_dev); | |
5776 | ||
5777 | for (i = 0; i < eq_num; i++) | |
5778 | free_irq(hr_dev->eq_table.eq[i].irq, &hr_dev->eq_table.eq[i]); | |
5779 | ||
5780 | for (i = 0; i < irq_num; i++) | |
5781 | kfree(hr_dev->irq_names[i]); | |
5782 | } | |
5783 | ||
a5073d60 YL |
5784 | static int hns_roce_v2_init_eq_table(struct hns_roce_dev *hr_dev) |
5785 | { | |
5786 | struct hns_roce_eq_table *eq_table = &hr_dev->eq_table; | |
5787 | struct device *dev = hr_dev->dev; | |
5788 | struct hns_roce_eq *eq; | |
5789 | unsigned int eq_cmd; | |
5790 | int irq_num; | |
5791 | int eq_num; | |
5792 | int other_num; | |
5793 | int comp_num; | |
5794 | int aeq_num; | |
33db6f94 | 5795 | int i; |
a5073d60 YL |
5796 | int ret; |
5797 | ||
5798 | other_num = hr_dev->caps.num_other_vectors; | |
5799 | comp_num = hr_dev->caps.num_comp_vectors; | |
5800 | aeq_num = hr_dev->caps.num_aeq_vectors; | |
5801 | ||
5802 | eq_num = comp_num + aeq_num; | |
5803 | irq_num = eq_num + other_num; | |
5804 | ||
5805 | eq_table->eq = kcalloc(eq_num, sizeof(*eq_table->eq), GFP_KERNEL); | |
5806 | if (!eq_table->eq) | |
5807 | return -ENOMEM; | |
5808 | ||
a5073d60 | 5809 | /* create eq */ |
33db6f94 YL |
5810 | for (i = 0; i < eq_num; i++) { |
5811 | eq = &eq_table->eq[i]; | |
a5073d60 | 5812 | eq->hr_dev = hr_dev; |
33db6f94 YL |
5813 | eq->eqn = i; |
5814 | if (i < comp_num) { | |
a5073d60 YL |
5815 | /* CEQ */ |
5816 | eq_cmd = HNS_ROCE_CMD_CREATE_CEQC; | |
5817 | eq->type_flag = HNS_ROCE_CEQ; | |
5818 | eq->entries = hr_dev->caps.ceqe_depth; | |
5819 | eq->eqe_size = HNS_ROCE_CEQ_ENTRY_SIZE; | |
33db6f94 | 5820 | eq->irq = hr_dev->irq[i + other_num + aeq_num]; |
a5073d60 YL |
5821 | eq->eq_max_cnt = HNS_ROCE_CEQ_DEFAULT_BURST_NUM; |
5822 | eq->eq_period = HNS_ROCE_CEQ_DEFAULT_INTERVAL; | |
5823 | } else { | |
5824 | /* AEQ */ | |
5825 | eq_cmd = HNS_ROCE_CMD_CREATE_AEQC; | |
5826 | eq->type_flag = HNS_ROCE_AEQ; | |
5827 | eq->entries = hr_dev->caps.aeqe_depth; | |
5828 | eq->eqe_size = HNS_ROCE_AEQ_ENTRY_SIZE; | |
33db6f94 | 5829 | eq->irq = hr_dev->irq[i - comp_num + other_num]; |
a5073d60 YL |
5830 | eq->eq_max_cnt = HNS_ROCE_AEQ_DEFAULT_BURST_NUM; |
5831 | eq->eq_period = HNS_ROCE_AEQ_DEFAULT_INTERVAL; | |
5832 | } | |
5833 | ||
5834 | ret = hns_roce_v2_create_eq(hr_dev, eq, eq_cmd); | |
5835 | if (ret) { | |
5836 | dev_err(dev, "eq create failed.\n"); | |
5837 | goto err_create_eq_fail; | |
5838 | } | |
5839 | } | |
5840 | ||
5841 | /* enable irq */ | |
5842 | hns_roce_v2_int_mask_enable(hr_dev, eq_num, EQ_ENABLE); | |
5843 | ||
33db6f94 YL |
5844 | ret = __hns_roce_request_irq(hr_dev, irq_num, comp_num, |
5845 | aeq_num, other_num); | |
5846 | if (ret) { | |
5847 | dev_err(dev, "Request irq failed.\n"); | |
5848 | goto err_request_irq_fail; | |
a5073d60 YL |
5849 | } |
5850 | ||
ffd541d4 | 5851 | hr_dev->irq_workq = alloc_ordered_workqueue("hns_roce_irq_workq", 0); |
0425e3e6 YL |
5852 | if (!hr_dev->irq_workq) { |
5853 | dev_err(dev, "Create irq workqueue failed!\n"); | |
f1a31542 | 5854 | ret = -ENOMEM; |
33db6f94 | 5855 | goto err_create_wq_fail; |
0425e3e6 YL |
5856 | } |
5857 | ||
a5073d60 YL |
5858 | return 0; |
5859 | ||
33db6f94 YL |
5860 | err_create_wq_fail: |
5861 | __hns_roce_free_irq(hr_dev); | |
5862 | ||
a5073d60 | 5863 | err_request_irq_fail: |
33db6f94 | 5864 | hns_roce_v2_int_mask_enable(hr_dev, eq_num, EQ_DISABLE); |
a5073d60 YL |
5865 | |
5866 | err_create_eq_fail: | |
a5073d60 | 5867 | for (i -= 1; i >= 0; i--) |
d7e2d343 | 5868 | free_eq_buf(hr_dev, &eq_table->eq[i]); |
a5073d60 YL |
5869 | kfree(eq_table->eq); |
5870 | ||
5871 | return ret; | |
5872 | } | |
5873 | ||
5874 | static void hns_roce_v2_cleanup_eq_table(struct hns_roce_dev *hr_dev) | |
5875 | { | |
5876 | struct hns_roce_eq_table *eq_table = &hr_dev->eq_table; | |
a5073d60 YL |
5877 | int eq_num; |
5878 | int i; | |
5879 | ||
5880 | eq_num = hr_dev->caps.num_comp_vectors + hr_dev->caps.num_aeq_vectors; | |
a5073d60 YL |
5881 | |
5882 | /* Disable irq */ | |
5883 | hns_roce_v2_int_mask_enable(hr_dev, eq_num, EQ_DISABLE); | |
5884 | ||
33db6f94 | 5885 | __hns_roce_free_irq(hr_dev); |
a5073d60 YL |
5886 | |
5887 | for (i = 0; i < eq_num; i++) { | |
5888 | hns_roce_v2_destroy_eqc(hr_dev, i); | |
5889 | ||
d7e2d343 | 5890 | free_eq_buf(hr_dev, &eq_table->eq[i]); |
a5073d60 YL |
5891 | } |
5892 | ||
a5073d60 | 5893 | kfree(eq_table->eq); |
0425e3e6 YL |
5894 | |
5895 | flush_workqueue(hr_dev->irq_workq); | |
5896 | destroy_workqueue(hr_dev->irq_workq); | |
a5073d60 YL |
5897 | } |
5898 | ||
e1c9a0dc LO |
5899 | static const struct hns_roce_dfx_hw hns_roce_dfx_hw_v2 = { |
5900 | .query_cqc_info = hns_roce_v2_query_cqc_info, | |
5901 | }; | |
5902 | ||
7f645a58 KH |
5903 | static const struct ib_device_ops hns_roce_v2_dev_ops = { |
5904 | .destroy_qp = hns_roce_v2_destroy_qp, | |
5905 | .modify_cq = hns_roce_v2_modify_cq, | |
5906 | .poll_cq = hns_roce_v2_poll_cq, | |
5907 | .post_recv = hns_roce_v2_post_recv, | |
5908 | .post_send = hns_roce_v2_post_send, | |
5909 | .query_qp = hns_roce_v2_query_qp, | |
5910 | .req_notify_cq = hns_roce_v2_req_notify_cq, | |
5911 | }; | |
5912 | ||
5913 | static const struct ib_device_ops hns_roce_v2_dev_srq_ops = { | |
5914 | .modify_srq = hns_roce_v2_modify_srq, | |
5915 | .post_srq_recv = hns_roce_v2_post_srq_recv, | |
5916 | .query_srq = hns_roce_v2_query_srq, | |
5917 | }; | |
5918 | ||
a04ff739 WHX |
5919 | static const struct hns_roce_hw hns_roce_hw_v2 = { |
5920 | .cmq_init = hns_roce_v2_cmq_init, | |
5921 | .cmq_exit = hns_roce_v2_cmq_exit, | |
cfc85f3e | 5922 | .hw_profile = hns_roce_v2_profile, |
6b63597d | 5923 | .hw_init = hns_roce_v2_init, |
5924 | .hw_exit = hns_roce_v2_exit, | |
a680f2f3 WHX |
5925 | .post_mbox = hns_roce_v2_post_mbox, |
5926 | .chk_mbox = hns_roce_v2_chk_mbox, | |
6a04aed6 | 5927 | .rst_prc_mbox = hns_roce_v2_rst_process_cmd, |
7afddafa WHX |
5928 | .set_gid = hns_roce_v2_set_gid, |
5929 | .set_mac = hns_roce_v2_set_mac, | |
3958cc56 | 5930 | .write_mtpt = hns_roce_v2_write_mtpt, |
a2c80b7b | 5931 | .rereg_write_mtpt = hns_roce_v2_rereg_write_mtpt, |
68a997c5 | 5932 | .frmr_write_mtpt = hns_roce_v2_frmr_write_mtpt, |
c7c28191 | 5933 | .mw_write_mtpt = hns_roce_v2_mw_write_mtpt, |
93aa2187 | 5934 | .write_cqc = hns_roce_v2_write_cqc, |
a81fba28 WHX |
5935 | .set_hem = hns_roce_v2_set_hem, |
5936 | .clear_hem = hns_roce_v2_clear_hem, | |
926a01dc WHX |
5937 | .modify_qp = hns_roce_v2_modify_qp, |
5938 | .query_qp = hns_roce_v2_query_qp, | |
5939 | .destroy_qp = hns_roce_v2_destroy_qp, | |
aa84fa18 | 5940 | .qp_flow_control_init = hns_roce_v2_qp_flow_control_init, |
b156269d | 5941 | .modify_cq = hns_roce_v2_modify_cq, |
2d407888 WHX |
5942 | .post_send = hns_roce_v2_post_send, |
5943 | .post_recv = hns_roce_v2_post_recv, | |
93aa2187 WHX |
5944 | .req_notify_cq = hns_roce_v2_req_notify_cq, |
5945 | .poll_cq = hns_roce_v2_poll_cq, | |
a5073d60 YL |
5946 | .init_eq = hns_roce_v2_init_eq_table, |
5947 | .cleanup_eq = hns_roce_v2_cleanup_eq_table, | |
c7bcb134 LO |
5948 | .write_srqc = hns_roce_v2_write_srqc, |
5949 | .modify_srq = hns_roce_v2_modify_srq, | |
5950 | .query_srq = hns_roce_v2_query_srq, | |
5951 | .post_srq_recv = hns_roce_v2_post_srq_recv, | |
7f645a58 KH |
5952 | .hns_roce_dev_ops = &hns_roce_v2_dev_ops, |
5953 | .hns_roce_dev_srq_ops = &hns_roce_v2_dev_srq_ops, | |
a04ff739 | 5954 | }; |
dd74282d WHX |
5955 | |
5956 | static const struct pci_device_id hns_roce_hw_v2_pci_tbl[] = { | |
5957 | {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_25GE_RDMA), 0}, | |
5958 | {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_25GE_RDMA_MACSEC), 0}, | |
aaa31567 LO |
5959 | {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_50GE_RDMA), 0}, |
5960 | {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_50GE_RDMA_MACSEC), 0}, | |
dd74282d WHX |
5961 | {PCI_VDEVICE(HUAWEI, HNAE3_DEV_ID_100G_RDMA_MACSEC), 0}, |
5962 | /* required last entry */ | |
5963 | {0, } | |
5964 | }; | |
5965 | ||
f97a62c3 | 5966 | MODULE_DEVICE_TABLE(pci, hns_roce_hw_v2_pci_tbl); |
5967 | ||
301cc7eb | 5968 | static void hns_roce_hw_v2_get_cfg(struct hns_roce_dev *hr_dev, |
dd74282d WHX |
5969 | struct hnae3_handle *handle) |
5970 | { | |
d061effc | 5971 | struct hns_roce_v2_priv *priv = hr_dev->priv; |
a5073d60 | 5972 | int i; |
dd74282d | 5973 | |
301cc7eb LC |
5974 | hr_dev->pci_dev = handle->pdev; |
5975 | hr_dev->dev = &handle->pdev->dev; | |
dd74282d | 5976 | hr_dev->hw = &hns_roce_hw_v2; |
e1c9a0dc | 5977 | hr_dev->dfx = &hns_roce_dfx_hw_v2; |
2d407888 WHX |
5978 | hr_dev->sdb_offset = ROCEE_DB_SQ_L_0_REG; |
5979 | hr_dev->odb_offset = hr_dev->sdb_offset; | |
dd74282d WHX |
5980 | |
5981 | /* Get info from NIC driver. */ | |
5982 | hr_dev->reg_base = handle->rinfo.roce_io_base; | |
5983 | hr_dev->caps.num_ports = 1; | |
5984 | hr_dev->iboe.netdevs[0] = handle->rinfo.netdev; | |
5985 | hr_dev->iboe.phy_port[0] = 0; | |
5986 | ||
d4994d2f | 5987 | addrconf_addr_eui48((u8 *)&hr_dev->ib_dev.node_guid, |
5988 | hr_dev->iboe.netdevs[0]->dev_addr); | |
5989 | ||
a5073d60 YL |
5990 | for (i = 0; i < HNS_ROCE_V2_MAX_IRQ_NUM; i++) |
5991 | hr_dev->irq[i] = pci_irq_vector(handle->pdev, | |
5992 | i + handle->rinfo.base_vector); | |
5993 | ||
dd74282d | 5994 | /* cmd issue mode: 0 is poll, 1 is event */ |
a5073d60 | 5995 | hr_dev->cmd_mod = 1; |
dd74282d WHX |
5996 | hr_dev->loop_idc = 0; |
5997 | ||
d061effc WHX |
5998 | hr_dev->reset_cnt = handle->ae_algo->ops->ae_dev_reset_cnt(handle); |
5999 | priv->handle = handle; | |
dd74282d WHX |
6000 | } |
6001 | ||
d061effc | 6002 | static int __hns_roce_hw_v2_init_instance(struct hnae3_handle *handle) |
dd74282d WHX |
6003 | { |
6004 | struct hns_roce_dev *hr_dev; | |
6005 | int ret; | |
6006 | ||
459cc69f | 6007 | hr_dev = ib_alloc_device(hns_roce_dev, ib_dev); |
dd74282d WHX |
6008 | if (!hr_dev) |
6009 | return -ENOMEM; | |
6010 | ||
a04ff739 WHX |
6011 | hr_dev->priv = kzalloc(sizeof(struct hns_roce_v2_priv), GFP_KERNEL); |
6012 | if (!hr_dev->priv) { | |
6013 | ret = -ENOMEM; | |
6014 | goto error_failed_kzalloc; | |
6015 | } | |
6016 | ||
301cc7eb | 6017 | hns_roce_hw_v2_get_cfg(hr_dev, handle); |
dd74282d WHX |
6018 | |
6019 | ret = hns_roce_init(hr_dev); | |
6020 | if (ret) { | |
6021 | dev_err(hr_dev->dev, "RoCE Engine init failed!\n"); | |
6022 | goto error_failed_get_cfg; | |
6023 | } | |
6024 | ||
d061effc WHX |
6025 | handle->priv = hr_dev; |
6026 | ||
dd74282d WHX |
6027 | return 0; |
6028 | ||
6029 | error_failed_get_cfg: | |
a04ff739 WHX |
6030 | kfree(hr_dev->priv); |
6031 | ||
6032 | error_failed_kzalloc: | |
dd74282d WHX |
6033 | ib_dealloc_device(&hr_dev->ib_dev); |
6034 | ||
6035 | return ret; | |
6036 | } | |
6037 | ||
d061effc | 6038 | static void __hns_roce_hw_v2_uninit_instance(struct hnae3_handle *handle, |
dd74282d WHX |
6039 | bool reset) |
6040 | { | |
14ba8730 | 6041 | struct hns_roce_dev *hr_dev = handle->priv; |
dd74282d | 6042 | |
cb7a94c9 WHX |
6043 | if (!hr_dev) |
6044 | return; | |
6045 | ||
d061effc | 6046 | handle->priv = NULL; |
626903e9 XW |
6047 | |
6048 | hr_dev->state = HNS_ROCE_DEVICE_STATE_UNINIT; | |
6049 | hns_roce_handle_device_err(hr_dev); | |
6050 | ||
dd74282d | 6051 | hns_roce_exit(hr_dev); |
a04ff739 | 6052 | kfree(hr_dev->priv); |
dd74282d WHX |
6053 | ib_dealloc_device(&hr_dev->ib_dev); |
6054 | } | |
6055 | ||
d061effc WHX |
6056 | static int hns_roce_hw_v2_init_instance(struct hnae3_handle *handle) |
6057 | { | |
6058 | const struct hnae3_ae_ops *ops = handle->ae_algo->ops; | |
07c2339a | 6059 | const struct pci_device_id *id; |
d061effc WHX |
6060 | struct device *dev = &handle->pdev->dev; |
6061 | int ret; | |
6062 | ||
6063 | handle->rinfo.instance_state = HNS_ROCE_STATE_INIT; | |
6064 | ||
6065 | if (ops->ae_dev_resetting(handle) || ops->get_hw_reset_stat(handle)) { | |
6066 | handle->rinfo.instance_state = HNS_ROCE_STATE_NON_INIT; | |
6067 | goto reset_chk_err; | |
6068 | } | |
6069 | ||
07c2339a LO |
6070 | id = pci_match_id(hns_roce_hw_v2_pci_tbl, handle->pdev); |
6071 | if (!id) | |
6072 | return 0; | |
6073 | ||
d061effc WHX |
6074 | ret = __hns_roce_hw_v2_init_instance(handle); |
6075 | if (ret) { | |
6076 | handle->rinfo.instance_state = HNS_ROCE_STATE_NON_INIT; | |
6077 | dev_err(dev, "RoCE instance init failed! ret = %d\n", ret); | |
6078 | if (ops->ae_dev_resetting(handle) || | |
6079 | ops->get_hw_reset_stat(handle)) | |
6080 | goto reset_chk_err; | |
6081 | else | |
6082 | return ret; | |
6083 | } | |
6084 | ||
6085 | handle->rinfo.instance_state = HNS_ROCE_STATE_INITED; | |
6086 | ||
6087 | ||
6088 | return 0; | |
6089 | ||
6090 | reset_chk_err: | |
6091 | dev_err(dev, "Device is busy in resetting state.\n" | |
6092 | "please retry later.\n"); | |
6093 | ||
6094 | return -EBUSY; | |
6095 | } | |
6096 | ||
6097 | static void hns_roce_hw_v2_uninit_instance(struct hnae3_handle *handle, | |
6098 | bool reset) | |
6099 | { | |
6100 | if (handle->rinfo.instance_state != HNS_ROCE_STATE_INITED) | |
6101 | return; | |
6102 | ||
6103 | handle->rinfo.instance_state = HNS_ROCE_STATE_UNINIT; | |
6104 | ||
6105 | __hns_roce_hw_v2_uninit_instance(handle, reset); | |
6106 | ||
6107 | handle->rinfo.instance_state = HNS_ROCE_STATE_NON_INIT; | |
6108 | } | |
cb7a94c9 WHX |
6109 | static int hns_roce_hw_v2_reset_notify_down(struct hnae3_handle *handle) |
6110 | { | |
d061effc | 6111 | struct hns_roce_dev *hr_dev; |
cb7a94c9 | 6112 | |
d061effc WHX |
6113 | if (handle->rinfo.instance_state != HNS_ROCE_STATE_INITED) { |
6114 | set_bit(HNS_ROCE_RST_DIRECT_RETURN, &handle->rinfo.state); | |
6115 | return 0; | |
cb7a94c9 WHX |
6116 | } |
6117 | ||
d061effc WHX |
6118 | handle->rinfo.reset_state = HNS_ROCE_STATE_RST_DOWN; |
6119 | clear_bit(HNS_ROCE_RST_DIRECT_RETURN, &handle->rinfo.state); | |
6120 | ||
14ba8730 | 6121 | hr_dev = handle->priv; |
d061effc WHX |
6122 | if (!hr_dev) |
6123 | return 0; | |
6124 | ||
726be12f | 6125 | hr_dev->is_reset = true; |
cb7a94c9 | 6126 | hr_dev->active = false; |
d3743fa9 | 6127 | hr_dev->dis_db = true; |
cb7a94c9 | 6128 | |
626903e9 | 6129 | hr_dev->state = HNS_ROCE_DEVICE_STATE_RST_DOWN; |
cb7a94c9 WHX |
6130 | |
6131 | return 0; | |
6132 | } | |
6133 | ||
6134 | static int hns_roce_hw_v2_reset_notify_init(struct hnae3_handle *handle) | |
6135 | { | |
d061effc | 6136 | struct device *dev = &handle->pdev->dev; |
cb7a94c9 WHX |
6137 | int ret; |
6138 | ||
d061effc WHX |
6139 | if (test_and_clear_bit(HNS_ROCE_RST_DIRECT_RETURN, |
6140 | &handle->rinfo.state)) { | |
6141 | handle->rinfo.reset_state = HNS_ROCE_STATE_RST_INITED; | |
6142 | return 0; | |
6143 | } | |
6144 | ||
6145 | handle->rinfo.reset_state = HNS_ROCE_STATE_RST_INIT; | |
6146 | ||
6147 | dev_info(&handle->pdev->dev, "In reset process RoCE client reinit.\n"); | |
6148 | ret = __hns_roce_hw_v2_init_instance(handle); | |
cb7a94c9 WHX |
6149 | if (ret) { |
6150 | /* when reset notify type is HNAE3_INIT_CLIENT In reset notify | |
6151 | * callback function, RoCE Engine reinitialize. If RoCE reinit | |
6152 | * failed, we should inform NIC driver. | |
6153 | */ | |
6154 | handle->priv = NULL; | |
d061effc WHX |
6155 | dev_err(dev, "In reset process RoCE reinit failed %d.\n", ret); |
6156 | } else { | |
6157 | handle->rinfo.reset_state = HNS_ROCE_STATE_RST_INITED; | |
6158 | dev_info(dev, "Reset done, RoCE client reinit finished.\n"); | |
cb7a94c9 WHX |
6159 | } |
6160 | ||
6161 | return ret; | |
6162 | } | |
6163 | ||
6164 | static int hns_roce_hw_v2_reset_notify_uninit(struct hnae3_handle *handle) | |
6165 | { | |
d061effc WHX |
6166 | if (test_bit(HNS_ROCE_RST_DIRECT_RETURN, &handle->rinfo.state)) |
6167 | return 0; | |
6168 | ||
6169 | handle->rinfo.reset_state = HNS_ROCE_STATE_RST_UNINIT; | |
6170 | dev_info(&handle->pdev->dev, "In reset process RoCE client uninit.\n"); | |
90c559b1 | 6171 | msleep(HNS_ROCE_V2_HW_RST_UNINT_DELAY); |
d061effc WHX |
6172 | __hns_roce_hw_v2_uninit_instance(handle, false); |
6173 | ||
cb7a94c9 WHX |
6174 | return 0; |
6175 | } | |
6176 | ||
6177 | static int hns_roce_hw_v2_reset_notify(struct hnae3_handle *handle, | |
6178 | enum hnae3_reset_notify_type type) | |
6179 | { | |
6180 | int ret = 0; | |
6181 | ||
6182 | switch (type) { | |
6183 | case HNAE3_DOWN_CLIENT: | |
6184 | ret = hns_roce_hw_v2_reset_notify_down(handle); | |
6185 | break; | |
6186 | case HNAE3_INIT_CLIENT: | |
6187 | ret = hns_roce_hw_v2_reset_notify_init(handle); | |
6188 | break; | |
6189 | case HNAE3_UNINIT_CLIENT: | |
6190 | ret = hns_roce_hw_v2_reset_notify_uninit(handle); | |
6191 | break; | |
6192 | default: | |
6193 | break; | |
6194 | } | |
6195 | ||
6196 | return ret; | |
6197 | } | |
6198 | ||
dd74282d WHX |
6199 | static const struct hnae3_client_ops hns_roce_hw_v2_ops = { |
6200 | .init_instance = hns_roce_hw_v2_init_instance, | |
6201 | .uninit_instance = hns_roce_hw_v2_uninit_instance, | |
cb7a94c9 | 6202 | .reset_notify = hns_roce_hw_v2_reset_notify, |
dd74282d WHX |
6203 | }; |
6204 | ||
6205 | static struct hnae3_client hns_roce_hw_v2_client = { | |
6206 | .name = "hns_roce_hw_v2", | |
6207 | .type = HNAE3_CLIENT_ROCE, | |
6208 | .ops = &hns_roce_hw_v2_ops, | |
6209 | }; | |
6210 | ||
6211 | static int __init hns_roce_hw_v2_init(void) | |
6212 | { | |
6213 | return hnae3_register_client(&hns_roce_hw_v2_client); | |
6214 | } | |
6215 | ||
6216 | static void __exit hns_roce_hw_v2_exit(void) | |
6217 | { | |
6218 | hnae3_unregister_client(&hns_roce_hw_v2_client); | |
6219 | } | |
6220 | ||
6221 | module_init(hns_roce_hw_v2_init); | |
6222 | module_exit(hns_roce_hw_v2_exit); | |
6223 | ||
6224 | MODULE_LICENSE("Dual BSD/GPL"); | |
6225 | MODULE_AUTHOR("Wei Hu <xavier.huwei@huawei.com>"); | |
6226 | MODULE_AUTHOR("Lijun Ou <oulijun@huawei.com>"); | |
6227 | MODULE_AUTHOR("Shaobo Xu <xushaobo2@huawei.com>"); | |
6228 | MODULE_DESCRIPTION("Hisilicon Hip08 Family RoCE Driver"); |