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71ee6730 DS |
1 | /* This file is part of the Emulex RoCE Device Driver for |
2 | * RoCE (RDMA over Converged Ethernet) adapters. | |
3 | * Copyright (C) 2012-2015 Emulex. All rights reserved. | |
4 | * EMULEX and SLI are trademarks of Emulex. | |
5 | * www.emulex.com | |
6 | * | |
7 | * This software is available to you under a choice of one of two licenses. | |
8 | * You may choose to be licensed under the terms of the GNU General Public | |
9 | * License (GPL) Version 2, available from the file COPYING in the main | |
10 | * directory of this source tree, or the BSD license below: | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or without | |
13 | * modification, are permitted provided that the following conditions | |
14 | * are met: | |
15 | * | |
16 | * - Redistributions of source code must retain the above copyright notice, | |
17 | * this list of conditions and the following disclaimer. | |
18 | * | |
19 | * - Redistributions in binary form must reproduce the above copyright | |
20 | * notice, this list of conditions and the following disclaimer in | |
21 | * the documentation and/or other materials provided with the distribution. | |
22 | * | |
23 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
24 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE | |
25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
27 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
28 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
29 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
30 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
31 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
32 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
33 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
fe2caefc PP |
34 | * |
35 | * Contact Information: | |
36 | * linux-drivers@emulex.com | |
37 | * | |
38 | * Emulex | |
39 | * 3333 Susan Street | |
40 | * Costa Mesa, CA 92626 | |
71ee6730 | 41 | */ |
fe2caefc PP |
42 | |
43 | #include <linux/sched.h> | |
44 | #include <linux/interrupt.h> | |
45 | #include <linux/log2.h> | |
46 | #include <linux/dma-mapping.h> | |
47 | ||
48 | #include <rdma/ib_verbs.h> | |
49 | #include <rdma/ib_user_verbs.h> | |
dbf727de | 50 | #include <rdma/ib_cache.h> |
fe2caefc PP |
51 | |
52 | #include "ocrdma.h" | |
53 | #include "ocrdma_hw.h" | |
54 | #include "ocrdma_verbs.h" | |
55 | #include "ocrdma_ah.h" | |
56 | ||
57 | enum mbx_status { | |
58 | OCRDMA_MBX_STATUS_FAILED = 1, | |
59 | OCRDMA_MBX_STATUS_ILLEGAL_FIELD = 3, | |
60 | OCRDMA_MBX_STATUS_OOR = 100, | |
61 | OCRDMA_MBX_STATUS_INVALID_PD = 101, | |
62 | OCRDMA_MBX_STATUS_PD_INUSE = 102, | |
63 | OCRDMA_MBX_STATUS_INVALID_CQ = 103, | |
64 | OCRDMA_MBX_STATUS_INVALID_QP = 104, | |
65 | OCRDMA_MBX_STATUS_INVALID_LKEY = 105, | |
66 | OCRDMA_MBX_STATUS_ORD_EXCEEDS = 106, | |
67 | OCRDMA_MBX_STATUS_IRD_EXCEEDS = 107, | |
68 | OCRDMA_MBX_STATUS_SENDQ_WQE_EXCEEDS = 108, | |
69 | OCRDMA_MBX_STATUS_RECVQ_RQE_EXCEEDS = 109, | |
70 | OCRDMA_MBX_STATUS_SGE_SEND_EXCEEDS = 110, | |
71 | OCRDMA_MBX_STATUS_SGE_WRITE_EXCEEDS = 111, | |
72 | OCRDMA_MBX_STATUS_SGE_RECV_EXCEEDS = 112, | |
73 | OCRDMA_MBX_STATUS_INVALID_STATE_CHANGE = 113, | |
74 | OCRDMA_MBX_STATUS_MW_BOUND = 114, | |
75 | OCRDMA_MBX_STATUS_INVALID_VA = 115, | |
76 | OCRDMA_MBX_STATUS_INVALID_LENGTH = 116, | |
77 | OCRDMA_MBX_STATUS_INVALID_FBO = 117, | |
78 | OCRDMA_MBX_STATUS_INVALID_ACC_RIGHTS = 118, | |
79 | OCRDMA_MBX_STATUS_INVALID_PBE_SIZE = 119, | |
80 | OCRDMA_MBX_STATUS_INVALID_PBL_ENTRY = 120, | |
81 | OCRDMA_MBX_STATUS_INVALID_PBL_SHIFT = 121, | |
82 | OCRDMA_MBX_STATUS_INVALID_SRQ_ID = 129, | |
83 | OCRDMA_MBX_STATUS_SRQ_ERROR = 133, | |
84 | OCRDMA_MBX_STATUS_RQE_EXCEEDS = 134, | |
85 | OCRDMA_MBX_STATUS_MTU_EXCEEDS = 135, | |
86 | OCRDMA_MBX_STATUS_MAX_QP_EXCEEDS = 136, | |
87 | OCRDMA_MBX_STATUS_SRQ_LIMIT_EXCEEDS = 137, | |
88 | OCRDMA_MBX_STATUS_SRQ_SIZE_UNDERUNS = 138, | |
89 | OCRDMA_MBX_STATUS_QP_BOUND = 130, | |
90 | OCRDMA_MBX_STATUS_INVALID_CHANGE = 139, | |
91 | OCRDMA_MBX_STATUS_ATOMIC_OPS_UNSUP = 140, | |
92 | OCRDMA_MBX_STATUS_INVALID_RNR_NAK_TIMER = 141, | |
93 | OCRDMA_MBX_STATUS_MW_STILL_BOUND = 142, | |
94 | OCRDMA_MBX_STATUS_PKEY_INDEX_INVALID = 143, | |
95 | OCRDMA_MBX_STATUS_PKEY_INDEX_EXCEEDS = 144 | |
96 | }; | |
97 | ||
98 | enum additional_status { | |
99 | OCRDMA_MBX_ADDI_STATUS_INSUFFICIENT_RESOURCES = 22 | |
100 | }; | |
101 | ||
102 | enum cqe_status { | |
103 | OCRDMA_MBX_CQE_STATUS_INSUFFICIENT_PRIVILEDGES = 1, | |
104 | OCRDMA_MBX_CQE_STATUS_INVALID_PARAMETER = 2, | |
105 | OCRDMA_MBX_CQE_STATUS_INSUFFICIENT_RESOURCES = 3, | |
106 | OCRDMA_MBX_CQE_STATUS_QUEUE_FLUSHING = 4, | |
107 | OCRDMA_MBX_CQE_STATUS_DMA_FAILED = 5 | |
108 | }; | |
109 | ||
110 | static inline void *ocrdma_get_eqe(struct ocrdma_eq *eq) | |
111 | { | |
f99b1649 | 112 | return eq->q.va + (eq->q.tail * sizeof(struct ocrdma_eqe)); |
fe2caefc PP |
113 | } |
114 | ||
115 | static inline void ocrdma_eq_inc_tail(struct ocrdma_eq *eq) | |
116 | { | |
117 | eq->q.tail = (eq->q.tail + 1) & (OCRDMA_EQ_LEN - 1); | |
118 | } | |
119 | ||
120 | static inline void *ocrdma_get_mcqe(struct ocrdma_dev *dev) | |
121 | { | |
122 | struct ocrdma_mcqe *cqe = (struct ocrdma_mcqe *) | |
f99b1649 | 123 | (dev->mq.cq.va + (dev->mq.cq.tail * sizeof(struct ocrdma_mcqe))); |
fe2caefc PP |
124 | |
125 | if (!(le32_to_cpu(cqe->valid_ae_cmpl_cons) & OCRDMA_MCQE_VALID_MASK)) | |
126 | return NULL; | |
127 | return cqe; | |
128 | } | |
129 | ||
130 | static inline void ocrdma_mcq_inc_tail(struct ocrdma_dev *dev) | |
131 | { | |
132 | dev->mq.cq.tail = (dev->mq.cq.tail + 1) & (OCRDMA_MQ_CQ_LEN - 1); | |
133 | } | |
134 | ||
135 | static inline struct ocrdma_mqe *ocrdma_get_mqe(struct ocrdma_dev *dev) | |
136 | { | |
f99b1649 | 137 | return dev->mq.sq.va + (dev->mq.sq.head * sizeof(struct ocrdma_mqe)); |
fe2caefc PP |
138 | } |
139 | ||
140 | static inline void ocrdma_mq_inc_head(struct ocrdma_dev *dev) | |
141 | { | |
142 | dev->mq.sq.head = (dev->mq.sq.head + 1) & (OCRDMA_MQ_LEN - 1); | |
fe2caefc PP |
143 | } |
144 | ||
145 | static inline void *ocrdma_get_mqe_rsp(struct ocrdma_dev *dev) | |
146 | { | |
f99b1649 | 147 | return dev->mq.sq.va + (dev->mqe_ctx.tag * sizeof(struct ocrdma_mqe)); |
fe2caefc PP |
148 | } |
149 | ||
150 | enum ib_qp_state get_ibqp_state(enum ocrdma_qp_state qps) | |
151 | { | |
152 | switch (qps) { | |
153 | case OCRDMA_QPS_RST: | |
154 | return IB_QPS_RESET; | |
155 | case OCRDMA_QPS_INIT: | |
156 | return IB_QPS_INIT; | |
157 | case OCRDMA_QPS_RTR: | |
158 | return IB_QPS_RTR; | |
159 | case OCRDMA_QPS_RTS: | |
160 | return IB_QPS_RTS; | |
161 | case OCRDMA_QPS_SQD: | |
162 | case OCRDMA_QPS_SQ_DRAINING: | |
163 | return IB_QPS_SQD; | |
164 | case OCRDMA_QPS_SQE: | |
165 | return IB_QPS_SQE; | |
166 | case OCRDMA_QPS_ERR: | |
167 | return IB_QPS_ERR; | |
2b50176d | 168 | } |
fe2caefc PP |
169 | return IB_QPS_ERR; |
170 | } | |
171 | ||
abe3afac | 172 | static enum ocrdma_qp_state get_ocrdma_qp_state(enum ib_qp_state qps) |
fe2caefc PP |
173 | { |
174 | switch (qps) { | |
175 | case IB_QPS_RESET: | |
176 | return OCRDMA_QPS_RST; | |
177 | case IB_QPS_INIT: | |
178 | return OCRDMA_QPS_INIT; | |
179 | case IB_QPS_RTR: | |
180 | return OCRDMA_QPS_RTR; | |
181 | case IB_QPS_RTS: | |
182 | return OCRDMA_QPS_RTS; | |
183 | case IB_QPS_SQD: | |
184 | return OCRDMA_QPS_SQD; | |
185 | case IB_QPS_SQE: | |
186 | return OCRDMA_QPS_SQE; | |
187 | case IB_QPS_ERR: | |
188 | return OCRDMA_QPS_ERR; | |
2b50176d | 189 | } |
fe2caefc PP |
190 | return OCRDMA_QPS_ERR; |
191 | } | |
192 | ||
193 | static int ocrdma_get_mbx_errno(u32 status) | |
194 | { | |
f99b1649 | 195 | int err_num; |
fe2caefc PP |
196 | u8 mbox_status = (status & OCRDMA_MBX_RSP_STATUS_MASK) >> |
197 | OCRDMA_MBX_RSP_STATUS_SHIFT; | |
198 | u8 add_status = (status & OCRDMA_MBX_RSP_ASTATUS_MASK) >> | |
199 | OCRDMA_MBX_RSP_ASTATUS_SHIFT; | |
200 | ||
201 | switch (mbox_status) { | |
202 | case OCRDMA_MBX_STATUS_OOR: | |
203 | case OCRDMA_MBX_STATUS_MAX_QP_EXCEEDS: | |
204 | err_num = -EAGAIN; | |
205 | break; | |
206 | ||
207 | case OCRDMA_MBX_STATUS_INVALID_PD: | |
208 | case OCRDMA_MBX_STATUS_INVALID_CQ: | |
209 | case OCRDMA_MBX_STATUS_INVALID_SRQ_ID: | |
210 | case OCRDMA_MBX_STATUS_INVALID_QP: | |
211 | case OCRDMA_MBX_STATUS_INVALID_CHANGE: | |
212 | case OCRDMA_MBX_STATUS_MTU_EXCEEDS: | |
213 | case OCRDMA_MBX_STATUS_INVALID_RNR_NAK_TIMER: | |
214 | case OCRDMA_MBX_STATUS_PKEY_INDEX_INVALID: | |
215 | case OCRDMA_MBX_STATUS_PKEY_INDEX_EXCEEDS: | |
216 | case OCRDMA_MBX_STATUS_ILLEGAL_FIELD: | |
217 | case OCRDMA_MBX_STATUS_INVALID_PBL_ENTRY: | |
218 | case OCRDMA_MBX_STATUS_INVALID_LKEY: | |
219 | case OCRDMA_MBX_STATUS_INVALID_VA: | |
220 | case OCRDMA_MBX_STATUS_INVALID_LENGTH: | |
221 | case OCRDMA_MBX_STATUS_INVALID_FBO: | |
222 | case OCRDMA_MBX_STATUS_INVALID_ACC_RIGHTS: | |
223 | case OCRDMA_MBX_STATUS_INVALID_PBE_SIZE: | |
224 | case OCRDMA_MBX_STATUS_ATOMIC_OPS_UNSUP: | |
225 | case OCRDMA_MBX_STATUS_SRQ_ERROR: | |
226 | case OCRDMA_MBX_STATUS_SRQ_SIZE_UNDERUNS: | |
227 | err_num = -EINVAL; | |
228 | break; | |
229 | ||
230 | case OCRDMA_MBX_STATUS_PD_INUSE: | |
231 | case OCRDMA_MBX_STATUS_QP_BOUND: | |
232 | case OCRDMA_MBX_STATUS_MW_STILL_BOUND: | |
233 | case OCRDMA_MBX_STATUS_MW_BOUND: | |
234 | err_num = -EBUSY; | |
235 | break; | |
236 | ||
237 | case OCRDMA_MBX_STATUS_RECVQ_RQE_EXCEEDS: | |
238 | case OCRDMA_MBX_STATUS_SGE_RECV_EXCEEDS: | |
239 | case OCRDMA_MBX_STATUS_RQE_EXCEEDS: | |
240 | case OCRDMA_MBX_STATUS_SRQ_LIMIT_EXCEEDS: | |
241 | case OCRDMA_MBX_STATUS_ORD_EXCEEDS: | |
242 | case OCRDMA_MBX_STATUS_IRD_EXCEEDS: | |
243 | case OCRDMA_MBX_STATUS_SENDQ_WQE_EXCEEDS: | |
244 | case OCRDMA_MBX_STATUS_SGE_SEND_EXCEEDS: | |
245 | case OCRDMA_MBX_STATUS_SGE_WRITE_EXCEEDS: | |
246 | err_num = -ENOBUFS; | |
247 | break; | |
248 | ||
249 | case OCRDMA_MBX_STATUS_FAILED: | |
250 | switch (add_status) { | |
251 | case OCRDMA_MBX_ADDI_STATUS_INSUFFICIENT_RESOURCES: | |
252 | err_num = -EAGAIN; | |
253 | break; | |
254 | } | |
255 | default: | |
256 | err_num = -EFAULT; | |
257 | } | |
258 | return err_num; | |
259 | } | |
260 | ||
a51f06e1 SX |
261 | char *port_speed_string(struct ocrdma_dev *dev) |
262 | { | |
263 | char *str = ""; | |
264 | u16 speeds_supported; | |
265 | ||
266 | speeds_supported = dev->phy.fixed_speeds_supported | | |
267 | dev->phy.auto_speeds_supported; | |
268 | if (speeds_supported & OCRDMA_PHY_SPEED_40GBPS) | |
269 | str = "40Gbps "; | |
270 | else if (speeds_supported & OCRDMA_PHY_SPEED_10GBPS) | |
271 | str = "10Gbps "; | |
272 | else if (speeds_supported & OCRDMA_PHY_SPEED_1GBPS) | |
273 | str = "1Gbps "; | |
274 | ||
275 | return str; | |
276 | } | |
277 | ||
fe2caefc PP |
278 | static int ocrdma_get_mbx_cqe_errno(u16 cqe_status) |
279 | { | |
280 | int err_num = -EINVAL; | |
281 | ||
282 | switch (cqe_status) { | |
283 | case OCRDMA_MBX_CQE_STATUS_INSUFFICIENT_PRIVILEDGES: | |
284 | err_num = -EPERM; | |
285 | break; | |
286 | case OCRDMA_MBX_CQE_STATUS_INVALID_PARAMETER: | |
287 | err_num = -EINVAL; | |
288 | break; | |
289 | case OCRDMA_MBX_CQE_STATUS_INSUFFICIENT_RESOURCES: | |
290 | case OCRDMA_MBX_CQE_STATUS_QUEUE_FLUSHING: | |
f11220ee | 291 | err_num = -EINVAL; |
fe2caefc PP |
292 | break; |
293 | case OCRDMA_MBX_CQE_STATUS_DMA_FAILED: | |
43a6b402 | 294 | default: |
f11220ee | 295 | err_num = -EINVAL; |
fe2caefc PP |
296 | break; |
297 | } | |
298 | return err_num; | |
299 | } | |
300 | ||
301 | void ocrdma_ring_cq_db(struct ocrdma_dev *dev, u16 cq_id, bool armed, | |
302 | bool solicited, u16 cqe_popped) | |
303 | { | |
304 | u32 val = cq_id & OCRDMA_DB_CQ_RING_ID_MASK; | |
305 | ||
306 | val |= ((cq_id & OCRDMA_DB_CQ_RING_ID_EXT_MASK) << | |
307 | OCRDMA_DB_CQ_RING_ID_EXT_MASK_SHIFT); | |
308 | ||
309 | if (armed) | |
310 | val |= (1 << OCRDMA_DB_CQ_REARM_SHIFT); | |
311 | if (solicited) | |
312 | val |= (1 << OCRDMA_DB_CQ_SOLICIT_SHIFT); | |
313 | val |= (cqe_popped << OCRDMA_DB_CQ_NUM_POPPED_SHIFT); | |
314 | iowrite32(val, dev->nic_info.db + OCRDMA_DB_CQ_OFFSET); | |
315 | } | |
316 | ||
317 | static void ocrdma_ring_mq_db(struct ocrdma_dev *dev) | |
318 | { | |
319 | u32 val = 0; | |
320 | ||
321 | val |= dev->mq.sq.id & OCRDMA_MQ_ID_MASK; | |
322 | val |= 1 << OCRDMA_MQ_NUM_MQE_SHIFT; | |
323 | iowrite32(val, dev->nic_info.db + OCRDMA_DB_MQ_OFFSET); | |
324 | } | |
325 | ||
326 | static void ocrdma_ring_eq_db(struct ocrdma_dev *dev, u16 eq_id, | |
327 | bool arm, bool clear_int, u16 num_eqe) | |
328 | { | |
329 | u32 val = 0; | |
330 | ||
331 | val |= eq_id & OCRDMA_EQ_ID_MASK; | |
332 | val |= ((eq_id & OCRDMA_EQ_ID_EXT_MASK) << OCRDMA_EQ_ID_EXT_MASK_SHIFT); | |
333 | if (arm) | |
334 | val |= (1 << OCRDMA_REARM_SHIFT); | |
335 | if (clear_int) | |
336 | val |= (1 << OCRDMA_EQ_CLR_SHIFT); | |
337 | val |= (1 << OCRDMA_EQ_TYPE_SHIFT); | |
338 | val |= (num_eqe << OCRDMA_NUM_EQE_SHIFT); | |
339 | iowrite32(val, dev->nic_info.db + OCRDMA_DB_EQ_OFFSET); | |
340 | } | |
341 | ||
342 | static void ocrdma_init_mch(struct ocrdma_mbx_hdr *cmd_hdr, | |
343 | u8 opcode, u8 subsys, u32 cmd_len) | |
344 | { | |
345 | cmd_hdr->subsys_op = (opcode | (subsys << OCRDMA_MCH_SUBSYS_SHIFT)); | |
346 | cmd_hdr->timeout = 20; /* seconds */ | |
347 | cmd_hdr->cmd_len = cmd_len - sizeof(struct ocrdma_mbx_hdr); | |
348 | } | |
349 | ||
350 | static void *ocrdma_init_emb_mqe(u8 opcode, u32 cmd_len) | |
351 | { | |
352 | struct ocrdma_mqe *mqe; | |
353 | ||
354 | mqe = kzalloc(sizeof(struct ocrdma_mqe), GFP_KERNEL); | |
355 | if (!mqe) | |
356 | return NULL; | |
357 | mqe->hdr.spcl_sge_cnt_emb |= | |
358 | (OCRDMA_MQE_EMBEDDED << OCRDMA_MQE_HDR_EMB_SHIFT) & | |
359 | OCRDMA_MQE_HDR_EMB_MASK; | |
360 | mqe->hdr.pyld_len = cmd_len - sizeof(struct ocrdma_mqe_hdr); | |
361 | ||
362 | ocrdma_init_mch(&mqe->u.emb_req.mch, opcode, OCRDMA_SUBSYS_ROCE, | |
363 | mqe->hdr.pyld_len); | |
364 | return mqe; | |
365 | } | |
366 | ||
367 | static void ocrdma_free_q(struct ocrdma_dev *dev, struct ocrdma_queue_info *q) | |
368 | { | |
369 | dma_free_coherent(&dev->nic_info.pdev->dev, q->size, q->va, q->dma); | |
370 | } | |
371 | ||
372 | static int ocrdma_alloc_q(struct ocrdma_dev *dev, | |
373 | struct ocrdma_queue_info *q, u16 len, u16 entry_size) | |
374 | { | |
375 | memset(q, 0, sizeof(*q)); | |
376 | q->len = len; | |
377 | q->entry_size = entry_size; | |
378 | q->size = len * entry_size; | |
379 | q->va = dma_alloc_coherent(&dev->nic_info.pdev->dev, q->size, | |
380 | &q->dma, GFP_KERNEL); | |
381 | if (!q->va) | |
382 | return -ENOMEM; | |
383 | memset(q->va, 0, q->size); | |
384 | return 0; | |
385 | } | |
386 | ||
387 | static void ocrdma_build_q_pages(struct ocrdma_pa *q_pa, int cnt, | |
388 | dma_addr_t host_pa, int hw_page_size) | |
389 | { | |
390 | int i; | |
391 | ||
392 | for (i = 0; i < cnt; i++) { | |
393 | q_pa[i].lo = (u32) (host_pa & 0xffffffff); | |
394 | q_pa[i].hi = (u32) upper_32_bits(host_pa); | |
395 | host_pa += hw_page_size; | |
396 | } | |
397 | } | |
398 | ||
fad51b7d DS |
399 | static int ocrdma_mbx_delete_q(struct ocrdma_dev *dev, |
400 | struct ocrdma_queue_info *q, int queue_type) | |
fe2caefc PP |
401 | { |
402 | u8 opcode = 0; | |
403 | int status; | |
404 | struct ocrdma_delete_q_req *cmd = dev->mbx_cmd; | |
405 | ||
406 | switch (queue_type) { | |
407 | case QTYPE_MCCQ: | |
408 | opcode = OCRDMA_CMD_DELETE_MQ; | |
409 | break; | |
410 | case QTYPE_CQ: | |
411 | opcode = OCRDMA_CMD_DELETE_CQ; | |
412 | break; | |
413 | case QTYPE_EQ: | |
414 | opcode = OCRDMA_CMD_DELETE_EQ; | |
415 | break; | |
416 | default: | |
417 | BUG(); | |
418 | } | |
419 | memset(cmd, 0, sizeof(*cmd)); | |
420 | ocrdma_init_mch(&cmd->req, opcode, OCRDMA_SUBSYS_COMMON, sizeof(*cmd)); | |
421 | cmd->id = q->id; | |
422 | ||
423 | status = be_roce_mcc_cmd(dev->nic_info.netdev, | |
424 | cmd, sizeof(*cmd), NULL, NULL); | |
425 | if (!status) | |
426 | q->created = false; | |
427 | return status; | |
428 | } | |
429 | ||
430 | static int ocrdma_mbx_create_eq(struct ocrdma_dev *dev, struct ocrdma_eq *eq) | |
431 | { | |
432 | int status; | |
433 | struct ocrdma_create_eq_req *cmd = dev->mbx_cmd; | |
434 | struct ocrdma_create_eq_rsp *rsp = dev->mbx_cmd; | |
435 | ||
436 | memset(cmd, 0, sizeof(*cmd)); | |
437 | ocrdma_init_mch(&cmd->req, OCRDMA_CMD_CREATE_EQ, OCRDMA_SUBSYS_COMMON, | |
438 | sizeof(*cmd)); | |
fe2caefc | 439 | |
c88bd03f | 440 | cmd->req.rsvd_version = 2; |
fe2caefc PP |
441 | cmd->num_pages = 4; |
442 | cmd->valid = OCRDMA_CREATE_EQ_VALID; | |
443 | cmd->cnt = 4 << OCRDMA_CREATE_EQ_CNT_SHIFT; | |
444 | ||
445 | ocrdma_build_q_pages(&cmd->pa[0], cmd->num_pages, eq->q.dma, | |
446 | PAGE_SIZE_4K); | |
447 | status = be_roce_mcc_cmd(dev->nic_info.netdev, cmd, sizeof(*cmd), NULL, | |
448 | NULL); | |
449 | if (!status) { | |
450 | eq->q.id = rsp->vector_eqid & 0xffff; | |
c88bd03f | 451 | eq->vector = (rsp->vector_eqid >> 16) & 0xffff; |
fe2caefc PP |
452 | eq->q.created = true; |
453 | } | |
454 | return status; | |
455 | } | |
456 | ||
457 | static int ocrdma_create_eq(struct ocrdma_dev *dev, | |
458 | struct ocrdma_eq *eq, u16 q_len) | |
459 | { | |
460 | int status; | |
461 | ||
462 | status = ocrdma_alloc_q(dev, &eq->q, OCRDMA_EQ_LEN, | |
463 | sizeof(struct ocrdma_eqe)); | |
464 | if (status) | |
465 | return status; | |
466 | ||
467 | status = ocrdma_mbx_create_eq(dev, eq); | |
468 | if (status) | |
469 | goto mbx_err; | |
470 | eq->dev = dev; | |
471 | ocrdma_ring_eq_db(dev, eq->q.id, true, true, 0); | |
472 | ||
473 | return 0; | |
474 | mbx_err: | |
475 | ocrdma_free_q(dev, &eq->q); | |
476 | return status; | |
477 | } | |
478 | ||
ea617626 | 479 | int ocrdma_get_irq(struct ocrdma_dev *dev, struct ocrdma_eq *eq) |
fe2caefc PP |
480 | { |
481 | int irq; | |
482 | ||
483 | if (dev->nic_info.intr_mode == BE_INTERRUPT_MODE_INTX) | |
484 | irq = dev->nic_info.pdev->irq; | |
485 | else | |
486 | irq = dev->nic_info.msix.vector_list[eq->vector]; | |
487 | return irq; | |
488 | } | |
489 | ||
490 | static void _ocrdma_destroy_eq(struct ocrdma_dev *dev, struct ocrdma_eq *eq) | |
491 | { | |
492 | if (eq->q.created) { | |
493 | ocrdma_mbx_delete_q(dev, &eq->q, QTYPE_EQ); | |
fe2caefc PP |
494 | ocrdma_free_q(dev, &eq->q); |
495 | } | |
496 | } | |
497 | ||
498 | static void ocrdma_destroy_eq(struct ocrdma_dev *dev, struct ocrdma_eq *eq) | |
499 | { | |
500 | int irq; | |
501 | ||
502 | /* disarm EQ so that interrupts are not generated | |
503 | * during freeing and EQ delete is in progress. | |
504 | */ | |
505 | ocrdma_ring_eq_db(dev, eq->q.id, false, false, 0); | |
506 | ||
507 | irq = ocrdma_get_irq(dev, eq); | |
508 | free_irq(irq, eq); | |
509 | _ocrdma_destroy_eq(dev, eq); | |
510 | } | |
511 | ||
c88bd03f | 512 | static void ocrdma_destroy_eqs(struct ocrdma_dev *dev) |
fe2caefc PP |
513 | { |
514 | int i; | |
515 | ||
fe2caefc | 516 | for (i = 0; i < dev->eq_cnt; i++) |
c88bd03f | 517 | ocrdma_destroy_eq(dev, &dev->eq_tbl[i]); |
fe2caefc PP |
518 | } |
519 | ||
abe3afac RD |
520 | static int ocrdma_mbx_mq_cq_create(struct ocrdma_dev *dev, |
521 | struct ocrdma_queue_info *cq, | |
522 | struct ocrdma_queue_info *eq) | |
fe2caefc PP |
523 | { |
524 | struct ocrdma_create_cq_cmd *cmd = dev->mbx_cmd; | |
525 | struct ocrdma_create_cq_cmd_rsp *rsp = dev->mbx_cmd; | |
526 | int status; | |
527 | ||
528 | memset(cmd, 0, sizeof(*cmd)); | |
529 | ocrdma_init_mch(&cmd->req, OCRDMA_CMD_CREATE_CQ, | |
530 | OCRDMA_SUBSYS_COMMON, sizeof(*cmd)); | |
531 | ||
1afc0454 NG |
532 | cmd->req.rsvd_version = OCRDMA_CREATE_CQ_VER2; |
533 | cmd->pgsz_pgcnt = (cq->size / OCRDMA_MIN_Q_PAGE_SIZE) << | |
534 | OCRDMA_CREATE_CQ_PAGE_SIZE_SHIFT; | |
535 | cmd->pgsz_pgcnt |= PAGES_4K_SPANNED(cq->va, cq->size); | |
536 | ||
fe2caefc | 537 | cmd->ev_cnt_flags = OCRDMA_CREATE_CQ_DEF_FLAGS; |
1afc0454 | 538 | cmd->eqn = eq->id; |
8ac0c7c7 | 539 | cmd->pdid_cqecnt = cq->size / sizeof(struct ocrdma_mcqe); |
fe2caefc | 540 | |
1afc0454 | 541 | ocrdma_build_q_pages(&cmd->pa[0], cq->size / OCRDMA_MIN_Q_PAGE_SIZE, |
fe2caefc PP |
542 | cq->dma, PAGE_SIZE_4K); |
543 | status = be_roce_mcc_cmd(dev->nic_info.netdev, | |
544 | cmd, sizeof(*cmd), NULL, NULL); | |
545 | if (!status) { | |
1afc0454 | 546 | cq->id = (u16) (rsp->cq_id & OCRDMA_CREATE_CQ_RSP_CQ_ID_MASK); |
fe2caefc PP |
547 | cq->created = true; |
548 | } | |
549 | return status; | |
550 | } | |
551 | ||
552 | static u32 ocrdma_encoded_q_len(int q_len) | |
553 | { | |
554 | u32 len_encoded = fls(q_len); /* log2(len) + 1 */ | |
555 | ||
556 | if (len_encoded == 16) | |
557 | len_encoded = 0; | |
558 | return len_encoded; | |
559 | } | |
560 | ||
561 | static int ocrdma_mbx_create_mq(struct ocrdma_dev *dev, | |
562 | struct ocrdma_queue_info *mq, | |
563 | struct ocrdma_queue_info *cq) | |
564 | { | |
565 | int num_pages, status; | |
566 | struct ocrdma_create_mq_req *cmd = dev->mbx_cmd; | |
567 | struct ocrdma_create_mq_rsp *rsp = dev->mbx_cmd; | |
568 | struct ocrdma_pa *pa; | |
569 | ||
570 | memset(cmd, 0, sizeof(*cmd)); | |
571 | num_pages = PAGES_4K_SPANNED(mq->va, mq->size); | |
572 | ||
b1d58b99 NG |
573 | ocrdma_init_mch(&cmd->req, OCRDMA_CMD_CREATE_MQ_EXT, |
574 | OCRDMA_SUBSYS_COMMON, sizeof(*cmd)); | |
575 | cmd->req.rsvd_version = 1; | |
576 | cmd->cqid_pages = num_pages; | |
577 | cmd->cqid_pages |= (cq->id << OCRDMA_CREATE_MQ_CQ_ID_SHIFT); | |
578 | cmd->async_cqid_valid = OCRDMA_CREATE_MQ_ASYNC_CQ_VALID; | |
84b105db | 579 | |
de123485 JS |
580 | cmd->async_event_bitmap = BIT(OCRDMA_ASYNC_GRP5_EVE_CODE); |
581 | cmd->async_event_bitmap |= BIT(OCRDMA_ASYNC_RDMA_EVE_CODE); | |
10a214dc DS |
582 | /* Request link events on this MQ. */ |
583 | cmd->async_event_bitmap |= BIT(OCRDMA_ASYNC_LINK_EVE_CODE); | |
84b105db | 584 | |
b1d58b99 NG |
585 | cmd->async_cqid_ringsize = cq->id; |
586 | cmd->async_cqid_ringsize |= (ocrdma_encoded_q_len(mq->len) << | |
587 | OCRDMA_CREATE_MQ_RING_SIZE_SHIFT); | |
588 | cmd->valid = OCRDMA_CREATE_MQ_VALID; | |
589 | pa = &cmd->pa[0]; | |
590 | ||
fe2caefc PP |
591 | ocrdma_build_q_pages(pa, num_pages, mq->dma, PAGE_SIZE_4K); |
592 | status = be_roce_mcc_cmd(dev->nic_info.netdev, | |
593 | cmd, sizeof(*cmd), NULL, NULL); | |
594 | if (!status) { | |
595 | mq->id = rsp->id; | |
596 | mq->created = true; | |
597 | } | |
598 | return status; | |
599 | } | |
600 | ||
601 | static int ocrdma_create_mq(struct ocrdma_dev *dev) | |
602 | { | |
603 | int status; | |
604 | ||
605 | /* Alloc completion queue for Mailbox queue */ | |
606 | status = ocrdma_alloc_q(dev, &dev->mq.cq, OCRDMA_MQ_CQ_LEN, | |
607 | sizeof(struct ocrdma_mcqe)); | |
608 | if (status) | |
609 | goto alloc_err; | |
610 | ||
ea617626 | 611 | dev->eq_tbl[0].cq_cnt++; |
c88bd03f | 612 | status = ocrdma_mbx_mq_cq_create(dev, &dev->mq.cq, &dev->eq_tbl[0].q); |
fe2caefc PP |
613 | if (status) |
614 | goto mbx_cq_free; | |
615 | ||
616 | memset(&dev->mqe_ctx, 0, sizeof(dev->mqe_ctx)); | |
617 | init_waitqueue_head(&dev->mqe_ctx.cmd_wait); | |
618 | mutex_init(&dev->mqe_ctx.lock); | |
619 | ||
620 | /* Alloc Mailbox queue */ | |
621 | status = ocrdma_alloc_q(dev, &dev->mq.sq, OCRDMA_MQ_LEN, | |
622 | sizeof(struct ocrdma_mqe)); | |
623 | if (status) | |
624 | goto mbx_cq_destroy; | |
625 | status = ocrdma_mbx_create_mq(dev, &dev->mq.sq, &dev->mq.cq); | |
626 | if (status) | |
627 | goto mbx_q_free; | |
628 | ocrdma_ring_cq_db(dev, dev->mq.cq.id, true, false, 0); | |
629 | return 0; | |
630 | ||
631 | mbx_q_free: | |
632 | ocrdma_free_q(dev, &dev->mq.sq); | |
633 | mbx_cq_destroy: | |
634 | ocrdma_mbx_delete_q(dev, &dev->mq.cq, QTYPE_CQ); | |
635 | mbx_cq_free: | |
636 | ocrdma_free_q(dev, &dev->mq.cq); | |
637 | alloc_err: | |
638 | return status; | |
639 | } | |
640 | ||
641 | static void ocrdma_destroy_mq(struct ocrdma_dev *dev) | |
642 | { | |
643 | struct ocrdma_queue_info *mbxq, *cq; | |
644 | ||
645 | /* mqe_ctx lock synchronizes with any other pending cmds. */ | |
646 | mutex_lock(&dev->mqe_ctx.lock); | |
647 | mbxq = &dev->mq.sq; | |
648 | if (mbxq->created) { | |
649 | ocrdma_mbx_delete_q(dev, mbxq, QTYPE_MCCQ); | |
650 | ocrdma_free_q(dev, mbxq); | |
651 | } | |
652 | mutex_unlock(&dev->mqe_ctx.lock); | |
653 | ||
654 | cq = &dev->mq.cq; | |
655 | if (cq->created) { | |
656 | ocrdma_mbx_delete_q(dev, cq, QTYPE_CQ); | |
657 | ocrdma_free_q(dev, cq); | |
658 | } | |
659 | } | |
660 | ||
661 | static void ocrdma_process_qpcat_error(struct ocrdma_dev *dev, | |
662 | struct ocrdma_qp *qp) | |
663 | { | |
664 | enum ib_qp_state new_ib_qps = IB_QPS_ERR; | |
665 | enum ib_qp_state old_ib_qps; | |
666 | ||
667 | if (qp == NULL) | |
668 | BUG(); | |
057729cb | 669 | ocrdma_qp_state_change(qp, new_ib_qps, &old_ib_qps); |
fe2caefc PP |
670 | } |
671 | ||
672 | static void ocrdma_dispatch_ibevent(struct ocrdma_dev *dev, | |
673 | struct ocrdma_ae_mcqe *cqe) | |
674 | { | |
675 | struct ocrdma_qp *qp = NULL; | |
676 | struct ocrdma_cq *cq = NULL; | |
1b09a0c2 | 677 | struct ib_event ib_evt; |
fe2caefc PP |
678 | int cq_event = 0; |
679 | int qp_event = 1; | |
680 | int srq_event = 0; | |
681 | int dev_event = 0; | |
682 | int type = (cqe->valid_ae_event & OCRDMA_AE_MCQE_EVENT_TYPE_MASK) >> | |
683 | OCRDMA_AE_MCQE_EVENT_TYPE_SHIFT; | |
aeb922df NI |
684 | u16 qpid = cqe->qpvalid_qpid & OCRDMA_AE_MCQE_QPID_MASK; |
685 | u16 cqid = cqe->cqvalid_cqid & OCRDMA_AE_MCQE_CQID_MASK; | |
fe2caefc | 686 | |
aeb922df NI |
687 | /* |
688 | * Some FW version returns wrong qp or cq ids in CQEs. | |
689 | * Checking whether the IDs are valid | |
690 | */ | |
691 | ||
692 | if (cqe->qpvalid_qpid & OCRDMA_AE_MCQE_QPVALID) { | |
693 | if (qpid < dev->attr.max_qp) | |
694 | qp = dev->qp_tbl[qpid]; | |
695 | if (qp == NULL) { | |
696 | pr_err("ocrdma%d:Async event - qpid %u is not valid\n", | |
697 | dev->id, qpid); | |
698 | return; | |
699 | } | |
700 | } | |
701 | ||
702 | if (cqe->cqvalid_cqid & OCRDMA_AE_MCQE_CQVALID) { | |
703 | if (cqid < dev->attr.max_cq) | |
704 | cq = dev->cq_tbl[cqid]; | |
705 | if (cq == NULL) { | |
706 | pr_err("ocrdma%d:Async event - cqid %u is not valid\n", | |
707 | dev->id, cqid); | |
708 | return; | |
709 | } | |
710 | } | |
fe2caefc | 711 | |
1b09a0c2 SX |
712 | memset(&ib_evt, 0, sizeof(ib_evt)); |
713 | ||
e9db2953 RD |
714 | ib_evt.device = &dev->ibdev; |
715 | ||
fe2caefc PP |
716 | switch (type) { |
717 | case OCRDMA_CQ_ERROR: | |
718 | ib_evt.element.cq = &cq->ibcq; | |
719 | ib_evt.event = IB_EVENT_CQ_ERR; | |
720 | cq_event = 1; | |
721 | qp_event = 0; | |
722 | break; | |
723 | case OCRDMA_CQ_OVERRUN_ERROR: | |
724 | ib_evt.element.cq = &cq->ibcq; | |
725 | ib_evt.event = IB_EVENT_CQ_ERR; | |
1228056b SX |
726 | cq_event = 1; |
727 | qp_event = 0; | |
fe2caefc PP |
728 | break; |
729 | case OCRDMA_CQ_QPCAT_ERROR: | |
730 | ib_evt.element.qp = &qp->ibqp; | |
731 | ib_evt.event = IB_EVENT_QP_FATAL; | |
732 | ocrdma_process_qpcat_error(dev, qp); | |
733 | break; | |
734 | case OCRDMA_QP_ACCESS_ERROR: | |
735 | ib_evt.element.qp = &qp->ibqp; | |
736 | ib_evt.event = IB_EVENT_QP_ACCESS_ERR; | |
737 | break; | |
738 | case OCRDMA_QP_COMM_EST_EVENT: | |
739 | ib_evt.element.qp = &qp->ibqp; | |
740 | ib_evt.event = IB_EVENT_COMM_EST; | |
741 | break; | |
742 | case OCRDMA_SQ_DRAINED_EVENT: | |
743 | ib_evt.element.qp = &qp->ibqp; | |
744 | ib_evt.event = IB_EVENT_SQ_DRAINED; | |
745 | break; | |
746 | case OCRDMA_DEVICE_FATAL_EVENT: | |
747 | ib_evt.element.port_num = 1; | |
748 | ib_evt.event = IB_EVENT_DEVICE_FATAL; | |
749 | qp_event = 0; | |
750 | dev_event = 1; | |
751 | break; | |
752 | case OCRDMA_SRQCAT_ERROR: | |
753 | ib_evt.element.srq = &qp->srq->ibsrq; | |
754 | ib_evt.event = IB_EVENT_SRQ_ERR; | |
755 | srq_event = 1; | |
756 | qp_event = 0; | |
757 | break; | |
758 | case OCRDMA_SRQ_LIMIT_EVENT: | |
759 | ib_evt.element.srq = &qp->srq->ibsrq; | |
804eaf29 | 760 | ib_evt.event = IB_EVENT_SRQ_LIMIT_REACHED; |
fe2caefc PP |
761 | srq_event = 1; |
762 | qp_event = 0; | |
763 | break; | |
764 | case OCRDMA_QP_LAST_WQE_EVENT: | |
765 | ib_evt.element.qp = &qp->ibqp; | |
766 | ib_evt.event = IB_EVENT_QP_LAST_WQE_REACHED; | |
767 | break; | |
768 | default: | |
769 | cq_event = 0; | |
770 | qp_event = 0; | |
771 | srq_event = 0; | |
772 | dev_event = 0; | |
ef99c4c2 | 773 | pr_err("%s() unknown type=0x%x\n", __func__, type); |
fe2caefc PP |
774 | break; |
775 | } | |
776 | ||
ad56ebb4 SX |
777 | if (type < OCRDMA_MAX_ASYNC_ERRORS) |
778 | atomic_inc(&dev->async_err_stats[type]); | |
779 | ||
fe2caefc PP |
780 | if (qp_event) { |
781 | if (qp->ibqp.event_handler) | |
782 | qp->ibqp.event_handler(&ib_evt, qp->ibqp.qp_context); | |
783 | } else if (cq_event) { | |
784 | if (cq->ibcq.event_handler) | |
785 | cq->ibcq.event_handler(&ib_evt, cq->ibcq.cq_context); | |
786 | } else if (srq_event) { | |
787 | if (qp->srq->ibsrq.event_handler) | |
788 | qp->srq->ibsrq.event_handler(&ib_evt, | |
789 | qp->srq->ibsrq. | |
790 | srq_context); | |
f99b1649 | 791 | } else if (dev_event) { |
1228056b | 792 | pr_err("%s: Fatal event received\n", dev->ibdev.name); |
fe2caefc | 793 | ib_dispatch_event(&ib_evt); |
f99b1649 | 794 | } |
fe2caefc PP |
795 | |
796 | } | |
797 | ||
84b105db NG |
798 | static void ocrdma_process_grp5_aync(struct ocrdma_dev *dev, |
799 | struct ocrdma_ae_mcqe *cqe) | |
800 | { | |
801 | struct ocrdma_ae_pvid_mcqe *evt; | |
802 | int type = (cqe->valid_ae_event & OCRDMA_AE_MCQE_EVENT_TYPE_MASK) >> | |
803 | OCRDMA_AE_MCQE_EVENT_TYPE_SHIFT; | |
804 | ||
805 | switch (type) { | |
806 | case OCRDMA_ASYNC_EVENT_PVID_STATE: | |
807 | evt = (struct ocrdma_ae_pvid_mcqe *)cqe; | |
808 | if ((evt->tag_enabled & OCRDMA_AE_PVID_MCQE_ENABLED_MASK) >> | |
809 | OCRDMA_AE_PVID_MCQE_ENABLED_SHIFT) | |
810 | dev->pvid = ((evt->tag_enabled & | |
811 | OCRDMA_AE_PVID_MCQE_TAG_MASK) >> | |
812 | OCRDMA_AE_PVID_MCQE_TAG_SHIFT); | |
813 | break; | |
31dbdd9a SX |
814 | |
815 | case OCRDMA_ASYNC_EVENT_COS_VALUE: | |
816 | atomic_set(&dev->update_sl, 1); | |
817 | break; | |
84b105db NG |
818 | default: |
819 | /* Not interested evts. */ | |
820 | break; | |
821 | } | |
822 | } | |
823 | ||
10a214dc DS |
824 | static void ocrdma_process_link_state(struct ocrdma_dev *dev, |
825 | struct ocrdma_ae_mcqe *cqe) | |
826 | { | |
827 | struct ocrdma_ae_lnkst_mcqe *evt; | |
828 | u8 lstate; | |
829 | ||
830 | evt = (struct ocrdma_ae_lnkst_mcqe *)cqe; | |
831 | lstate = ocrdma_get_ae_link_state(evt->speed_state_ptn); | |
832 | ||
833 | if (!(lstate & OCRDMA_AE_LSC_LLINK_MASK)) | |
834 | return; | |
835 | ||
836 | if (dev->flags & OCRDMA_FLAGS_LINK_STATUS_INIT) | |
837 | ocrdma_update_link_state(dev, (lstate & OCRDMA_LINK_ST_MASK)); | |
838 | } | |
839 | ||
fe2caefc PP |
840 | static void ocrdma_process_acqe(struct ocrdma_dev *dev, void *ae_cqe) |
841 | { | |
842 | /* async CQE processing */ | |
843 | struct ocrdma_ae_mcqe *cqe = ae_cqe; | |
844 | u32 evt_code = (cqe->valid_ae_event & OCRDMA_AE_MCQE_EVENT_CODE_MASK) >> | |
845 | OCRDMA_AE_MCQE_EVENT_CODE_SHIFT; | |
10a214dc DS |
846 | switch (evt_code) { |
847 | case OCRDMA_ASYNC_LINK_EVE_CODE: | |
848 | ocrdma_process_link_state(dev, cqe); | |
849 | break; | |
850 | case OCRDMA_ASYNC_RDMA_EVE_CODE: | |
fe2caefc | 851 | ocrdma_dispatch_ibevent(dev, cqe); |
10a214dc DS |
852 | break; |
853 | case OCRDMA_ASYNC_GRP5_EVE_CODE: | |
84b105db | 854 | ocrdma_process_grp5_aync(dev, cqe); |
10a214dc DS |
855 | break; |
856 | default: | |
ef99c4c2 NG |
857 | pr_err("%s(%d) invalid evt code=0x%x\n", __func__, |
858 | dev->id, evt_code); | |
10a214dc | 859 | } |
fe2caefc PP |
860 | } |
861 | ||
862 | static void ocrdma_process_mcqe(struct ocrdma_dev *dev, struct ocrdma_mcqe *cqe) | |
863 | { | |
864 | if (dev->mqe_ctx.tag == cqe->tag_lo && dev->mqe_ctx.cmd_done == false) { | |
865 | dev->mqe_ctx.cqe_status = (cqe->status & | |
866 | OCRDMA_MCQE_STATUS_MASK) >> OCRDMA_MCQE_STATUS_SHIFT; | |
867 | dev->mqe_ctx.ext_status = | |
868 | (cqe->status & OCRDMA_MCQE_ESTATUS_MASK) | |
869 | >> OCRDMA_MCQE_ESTATUS_SHIFT; | |
870 | dev->mqe_ctx.cmd_done = true; | |
871 | wake_up(&dev->mqe_ctx.cmd_wait); | |
872 | } else | |
ef99c4c2 NG |
873 | pr_err("%s() cqe for invalid tag0x%x.expected=0x%x\n", |
874 | __func__, cqe->tag_lo, dev->mqe_ctx.tag); | |
fe2caefc PP |
875 | } |
876 | ||
877 | static int ocrdma_mq_cq_handler(struct ocrdma_dev *dev, u16 cq_id) | |
878 | { | |
879 | u16 cqe_popped = 0; | |
880 | struct ocrdma_mcqe *cqe; | |
881 | ||
882 | while (1) { | |
883 | cqe = ocrdma_get_mcqe(dev); | |
884 | if (cqe == NULL) | |
885 | break; | |
886 | ocrdma_le32_to_cpu(cqe, sizeof(*cqe)); | |
887 | cqe_popped += 1; | |
888 | if (cqe->valid_ae_cmpl_cons & OCRDMA_MCQE_AE_MASK) | |
889 | ocrdma_process_acqe(dev, cqe); | |
890 | else if (cqe->valid_ae_cmpl_cons & OCRDMA_MCQE_CMPL_MASK) | |
891 | ocrdma_process_mcqe(dev, cqe); | |
fe2caefc PP |
892 | memset(cqe, 0, sizeof(struct ocrdma_mcqe)); |
893 | ocrdma_mcq_inc_tail(dev); | |
894 | } | |
895 | ocrdma_ring_cq_db(dev, dev->mq.cq.id, true, false, cqe_popped); | |
896 | return 0; | |
897 | } | |
898 | ||
043e9dee SX |
899 | static struct ocrdma_cq *_ocrdma_qp_buddy_cq_handler(struct ocrdma_dev *dev, |
900 | struct ocrdma_cq *cq, bool sq) | |
fe2caefc | 901 | { |
fe2caefc | 902 | struct ocrdma_qp *qp; |
043e9dee SX |
903 | struct list_head *cur; |
904 | struct ocrdma_cq *bcq = NULL; | |
905 | struct list_head *head = sq?(&cq->sq_head):(&cq->rq_head); | |
906 | ||
907 | list_for_each(cur, head) { | |
908 | if (sq) | |
909 | qp = list_entry(cur, struct ocrdma_qp, sq_entry); | |
910 | else | |
911 | qp = list_entry(cur, struct ocrdma_qp, rq_entry); | |
912 | ||
fe2caefc PP |
913 | if (qp->srq) |
914 | continue; | |
915 | /* if wq and rq share the same cq, than comp_handler | |
916 | * is already invoked. | |
917 | */ | |
918 | if (qp->sq_cq == qp->rq_cq) | |
919 | continue; | |
920 | /* if completion came on sq, rq's cq is buddy cq. | |
921 | * if completion came on rq, sq's cq is buddy cq. | |
922 | */ | |
923 | if (qp->sq_cq == cq) | |
043e9dee | 924 | bcq = qp->rq_cq; |
fe2caefc | 925 | else |
043e9dee SX |
926 | bcq = qp->sq_cq; |
927 | return bcq; | |
fe2caefc | 928 | } |
043e9dee SX |
929 | return NULL; |
930 | } | |
931 | ||
932 | static void ocrdma_qp_buddy_cq_handler(struct ocrdma_dev *dev, | |
933 | struct ocrdma_cq *cq) | |
934 | { | |
935 | unsigned long flags; | |
936 | struct ocrdma_cq *bcq = NULL; | |
937 | ||
938 | /* Go through list of QPs in error state which are using this CQ | |
939 | * and invoke its callback handler to trigger CQE processing for | |
940 | * error/flushed CQE. It is rare to find more than few entries in | |
941 | * this list as most consumers stops after getting error CQE. | |
942 | * List is traversed only once when a matching buddy cq found for a QP. | |
943 | */ | |
944 | spin_lock_irqsave(&dev->flush_q_lock, flags); | |
945 | /* Check if buddy CQ is present. | |
946 | * true - Check for SQ CQ | |
947 | * false - Check for RQ CQ | |
948 | */ | |
949 | bcq = _ocrdma_qp_buddy_cq_handler(dev, cq, true); | |
950 | if (bcq == NULL) | |
951 | bcq = _ocrdma_qp_buddy_cq_handler(dev, cq, false); | |
fe2caefc | 952 | spin_unlock_irqrestore(&dev->flush_q_lock, flags); |
043e9dee SX |
953 | |
954 | /* if there is valid buddy cq, look for its completion handler */ | |
955 | if (bcq && bcq->ibcq.comp_handler) { | |
956 | spin_lock_irqsave(&bcq->comp_handler_lock, flags); | |
957 | (*bcq->ibcq.comp_handler) (&bcq->ibcq, bcq->ibcq.cq_context); | |
958 | spin_unlock_irqrestore(&bcq->comp_handler_lock, flags); | |
fe2caefc PP |
959 | } |
960 | } | |
961 | ||
962 | static void ocrdma_qp_cq_handler(struct ocrdma_dev *dev, u16 cq_idx) | |
963 | { | |
964 | unsigned long flags; | |
965 | struct ocrdma_cq *cq; | |
966 | ||
967 | if (cq_idx >= OCRDMA_MAX_CQ) | |
968 | BUG(); | |
969 | ||
970 | cq = dev->cq_tbl[cq_idx]; | |
ea617626 | 971 | if (cq == NULL) |
fe2caefc | 972 | return; |
fe2caefc PP |
973 | |
974 | if (cq->ibcq.comp_handler) { | |
975 | spin_lock_irqsave(&cq->comp_handler_lock, flags); | |
976 | (*cq->ibcq.comp_handler) (&cq->ibcq, cq->ibcq.cq_context); | |
977 | spin_unlock_irqrestore(&cq->comp_handler_lock, flags); | |
978 | } | |
979 | ocrdma_qp_buddy_cq_handler(dev, cq); | |
980 | } | |
981 | ||
982 | static void ocrdma_cq_handler(struct ocrdma_dev *dev, u16 cq_id) | |
983 | { | |
984 | /* process the MQ-CQE. */ | |
985 | if (cq_id == dev->mq.cq.id) | |
986 | ocrdma_mq_cq_handler(dev, cq_id); | |
987 | else | |
988 | ocrdma_qp_cq_handler(dev, cq_id); | |
989 | } | |
990 | ||
991 | static irqreturn_t ocrdma_irq_handler(int irq, void *handle) | |
992 | { | |
993 | struct ocrdma_eq *eq = handle; | |
994 | struct ocrdma_dev *dev = eq->dev; | |
995 | struct ocrdma_eqe eqe; | |
996 | struct ocrdma_eqe *ptr; | |
fe2caefc | 997 | u16 cq_id; |
5e6f9237 | 998 | u8 mcode; |
ea617626 DS |
999 | int budget = eq->cq_cnt; |
1000 | ||
1001 | do { | |
fe2caefc PP |
1002 | ptr = ocrdma_get_eqe(eq); |
1003 | eqe = *ptr; | |
1004 | ocrdma_le32_to_cpu(&eqe, sizeof(eqe)); | |
5e6f9237 DS |
1005 | mcode = (eqe.id_valid & OCRDMA_EQE_MAJOR_CODE_MASK) |
1006 | >> OCRDMA_EQE_MAJOR_CODE_SHIFT; | |
1007 | if (mcode == OCRDMA_MAJOR_CODE_SENTINAL) | |
1008 | pr_err("EQ full on eqid = 0x%x, eqe = 0x%x\n", | |
1009 | eq->q.id, eqe.id_valid); | |
fe2caefc PP |
1010 | if ((eqe.id_valid & OCRDMA_EQE_VALID_MASK) == 0) |
1011 | break; | |
ea617626 | 1012 | |
fe2caefc | 1013 | ptr->id_valid = 0; |
ea617626 DS |
1014 | /* ring eq doorbell as soon as its consumed. */ |
1015 | ocrdma_ring_eq_db(dev, eq->q.id, false, true, 1); | |
fe2caefc PP |
1016 | /* check whether its CQE or not. */ |
1017 | if ((eqe.id_valid & OCRDMA_EQE_FOR_CQE_MASK) == 0) { | |
1018 | cq_id = eqe.id_valid >> OCRDMA_EQE_RESOURCE_ID_SHIFT; | |
1019 | ocrdma_cq_handler(dev, cq_id); | |
1020 | } | |
1021 | ocrdma_eq_inc_tail(eq); | |
ea617626 DS |
1022 | |
1023 | /* There can be a stale EQE after the last bound CQ is | |
1024 | * destroyed. EQE valid and budget == 0 implies this. | |
1025 | */ | |
1026 | if (budget) | |
1027 | budget--; | |
1028 | ||
1029 | } while (budget); | |
1030 | ||
b4dbe8d5 | 1031 | eq->aic_obj.eq_intr_cnt++; |
ea617626 | 1032 | ocrdma_ring_eq_db(dev, eq->q.id, true, true, 0); |
fe2caefc PP |
1033 | return IRQ_HANDLED; |
1034 | } | |
1035 | ||
1036 | static void ocrdma_post_mqe(struct ocrdma_dev *dev, struct ocrdma_mqe *cmd) | |
1037 | { | |
1038 | struct ocrdma_mqe *mqe; | |
1039 | ||
1040 | dev->mqe_ctx.tag = dev->mq.sq.head; | |
1041 | dev->mqe_ctx.cmd_done = false; | |
1042 | mqe = ocrdma_get_mqe(dev); | |
1043 | cmd->hdr.tag_lo = dev->mq.sq.head; | |
1044 | ocrdma_copy_cpu_to_le32(mqe, cmd, sizeof(*mqe)); | |
1045 | /* make sure descriptor is written before ringing doorbell */ | |
1046 | wmb(); | |
1047 | ocrdma_mq_inc_head(dev); | |
1048 | ocrdma_ring_mq_db(dev); | |
1049 | } | |
1050 | ||
1051 | static int ocrdma_wait_mqe_cmpl(struct ocrdma_dev *dev) | |
1052 | { | |
1053 | long status; | |
1054 | /* 30 sec timeout */ | |
1055 | status = wait_event_timeout(dev->mqe_ctx.cmd_wait, | |
1056 | (dev->mqe_ctx.cmd_done != false), | |
1057 | msecs_to_jiffies(30000)); | |
1058 | if (status) | |
1059 | return 0; | |
6dab0264 MA |
1060 | else { |
1061 | dev->mqe_ctx.fw_error_state = true; | |
1062 | pr_err("%s(%d) mailbox timeout: fw not responding\n", | |
1063 | __func__, dev->id); | |
fe2caefc | 1064 | return -1; |
6dab0264 | 1065 | } |
fe2caefc PP |
1066 | } |
1067 | ||
1068 | /* issue a mailbox command on the MQ */ | |
1069 | static int ocrdma_mbx_cmd(struct ocrdma_dev *dev, struct ocrdma_mqe *mqe) | |
1070 | { | |
1071 | int status = 0; | |
1072 | u16 cqe_status, ext_status; | |
bbc5ec52 SX |
1073 | struct ocrdma_mqe *rsp_mqe; |
1074 | struct ocrdma_mbx_rsp *rsp = NULL; | |
fe2caefc PP |
1075 | |
1076 | mutex_lock(&dev->mqe_ctx.lock); | |
6dab0264 MA |
1077 | if (dev->mqe_ctx.fw_error_state) |
1078 | goto mbx_err; | |
fe2caefc PP |
1079 | ocrdma_post_mqe(dev, mqe); |
1080 | status = ocrdma_wait_mqe_cmpl(dev); | |
1081 | if (status) | |
1082 | goto mbx_err; | |
1083 | cqe_status = dev->mqe_ctx.cqe_status; | |
1084 | ext_status = dev->mqe_ctx.ext_status; | |
bbc5ec52 SX |
1085 | rsp_mqe = ocrdma_get_mqe_rsp(dev); |
1086 | ocrdma_copy_le32_to_cpu(mqe, rsp_mqe, (sizeof(*mqe))); | |
1087 | if ((mqe->hdr.spcl_sge_cnt_emb & OCRDMA_MQE_HDR_EMB_MASK) >> | |
1088 | OCRDMA_MQE_HDR_EMB_SHIFT) | |
1089 | rsp = &mqe->u.rsp; | |
1090 | ||
fe2caefc | 1091 | if (cqe_status || ext_status) { |
bbc5ec52 SX |
1092 | pr_err("%s() cqe_status=0x%x, ext_status=0x%x,", |
1093 | __func__, cqe_status, ext_status); | |
1094 | if (rsp) { | |
1095 | /* This is for embedded cmds. */ | |
1096 | pr_err("opcode=0x%x, subsystem=0x%x\n", | |
1097 | (rsp->subsys_op & OCRDMA_MBX_RSP_OPCODE_MASK) >> | |
1098 | OCRDMA_MBX_RSP_OPCODE_SHIFT, | |
1099 | (rsp->subsys_op & OCRDMA_MBX_RSP_SUBSYS_MASK) >> | |
1100 | OCRDMA_MBX_RSP_SUBSYS_SHIFT); | |
1101 | } | |
fe2caefc PP |
1102 | status = ocrdma_get_mbx_cqe_errno(cqe_status); |
1103 | goto mbx_err; | |
1104 | } | |
bbc5ec52 SX |
1105 | /* For non embedded, rsp errors are handled in ocrdma_nonemb_mbx_cmd */ |
1106 | if (rsp && (mqe->u.rsp.status & OCRDMA_MBX_RSP_STATUS_MASK)) | |
fe2caefc PP |
1107 | status = ocrdma_get_mbx_errno(mqe->u.rsp.status); |
1108 | mbx_err: | |
1109 | mutex_unlock(&dev->mqe_ctx.lock); | |
1110 | return status; | |
1111 | } | |
1112 | ||
bbc5ec52 SX |
1113 | static int ocrdma_nonemb_mbx_cmd(struct ocrdma_dev *dev, struct ocrdma_mqe *mqe, |
1114 | void *payload_va) | |
1115 | { | |
1116 | int status = 0; | |
1117 | struct ocrdma_mbx_rsp *rsp = payload_va; | |
1118 | ||
1119 | if ((mqe->hdr.spcl_sge_cnt_emb & OCRDMA_MQE_HDR_EMB_MASK) >> | |
1120 | OCRDMA_MQE_HDR_EMB_SHIFT) | |
1121 | BUG(); | |
1122 | ||
1123 | status = ocrdma_mbx_cmd(dev, mqe); | |
1124 | if (!status) | |
1125 | /* For non embedded, only CQE failures are handled in | |
1126 | * ocrdma_mbx_cmd. We need to check for RSP errors. | |
1127 | */ | |
1128 | if (rsp->status & OCRDMA_MBX_RSP_STATUS_MASK) | |
1129 | status = ocrdma_get_mbx_errno(rsp->status); | |
1130 | ||
1131 | if (status) | |
1132 | pr_err("opcode=0x%x, subsystem=0x%x\n", | |
1133 | (rsp->subsys_op & OCRDMA_MBX_RSP_OPCODE_MASK) >> | |
1134 | OCRDMA_MBX_RSP_OPCODE_SHIFT, | |
1135 | (rsp->subsys_op & OCRDMA_MBX_RSP_SUBSYS_MASK) >> | |
1136 | OCRDMA_MBX_RSP_SUBSYS_SHIFT); | |
1137 | return status; | |
1138 | } | |
1139 | ||
fe2caefc PP |
1140 | static void ocrdma_get_attr(struct ocrdma_dev *dev, |
1141 | struct ocrdma_dev_attr *attr, | |
1142 | struct ocrdma_mbx_query_config *rsp) | |
1143 | { | |
fe2caefc PP |
1144 | attr->max_pd = |
1145 | (rsp->max_pd_ca_ack_delay & OCRDMA_MBX_QUERY_CFG_MAX_PD_MASK) >> | |
1146 | OCRDMA_MBX_QUERY_CFG_MAX_PD_SHIFT; | |
e1614869 SK |
1147 | attr->udp_encap = (rsp->max_pd_ca_ack_delay & |
1148 | OCRDMA_MBX_QUERY_CFG_L3_TYPE_MASK) >> | |
1149 | OCRDMA_MBX_QUERY_CFG_L3_TYPE_SHIFT; | |
9ba1377d MA |
1150 | attr->max_dpp_pds = |
1151 | (rsp->max_dpp_pds_credits & OCRDMA_MBX_QUERY_CFG_MAX_DPP_PDS_MASK) >> | |
1152 | OCRDMA_MBX_QUERY_CFG_MAX_DPP_PDS_OFFSET; | |
fe2caefc PP |
1153 | attr->max_qp = |
1154 | (rsp->qp_srq_cq_ird_ord & OCRDMA_MBX_QUERY_CFG_MAX_QP_MASK) >> | |
1155 | OCRDMA_MBX_QUERY_CFG_MAX_QP_SHIFT; | |
fad51b7d DS |
1156 | attr->max_srq = |
1157 | (rsp->max_srq_rpir_qps & OCRDMA_MBX_QUERY_CFG_MAX_SRQ_MASK) >> | |
1158 | OCRDMA_MBX_QUERY_CFG_MAX_SRQ_OFFSET; | |
fe2caefc PP |
1159 | attr->max_send_sge = ((rsp->max_write_send_sge & |
1160 | OCRDMA_MBX_QUERY_CFG_MAX_SEND_SGE_MASK) >> | |
1161 | OCRDMA_MBX_QUERY_CFG_MAX_SEND_SGE_SHIFT); | |
1162 | attr->max_recv_sge = (rsp->max_write_send_sge & | |
1163 | OCRDMA_MBX_QUERY_CFG_MAX_SEND_SGE_MASK) >> | |
1164 | OCRDMA_MBX_QUERY_CFG_MAX_SEND_SGE_SHIFT; | |
634c5796 MV |
1165 | attr->max_srq_sge = (rsp->max_srq_rqe_sge & |
1166 | OCRDMA_MBX_QUERY_CFG_MAX_SRQ_SGE_MASK) >> | |
1167 | OCRDMA_MBX_QUERY_CFG_MAX_SRQ_SGE_OFFSET; | |
45e86b33 NG |
1168 | attr->max_rdma_sge = (rsp->max_write_send_sge & |
1169 | OCRDMA_MBX_QUERY_CFG_MAX_WRITE_SGE_MASK) >> | |
1170 | OCRDMA_MBX_QUERY_CFG_MAX_WRITE_SGE_SHIFT; | |
fe2caefc PP |
1171 | attr->max_ord_per_qp = (rsp->max_ird_ord_per_qp & |
1172 | OCRDMA_MBX_QUERY_CFG_MAX_ORD_PER_QP_MASK) >> | |
1173 | OCRDMA_MBX_QUERY_CFG_MAX_ORD_PER_QP_SHIFT; | |
1174 | attr->max_ird_per_qp = (rsp->max_ird_ord_per_qp & | |
1175 | OCRDMA_MBX_QUERY_CFG_MAX_IRD_PER_QP_MASK) >> | |
1176 | OCRDMA_MBX_QUERY_CFG_MAX_IRD_PER_QP_SHIFT; | |
1177 | attr->cq_overflow_detect = (rsp->qp_srq_cq_ird_ord & | |
1178 | OCRDMA_MBX_QUERY_CFG_CQ_OVERFLOW_MASK) >> | |
1179 | OCRDMA_MBX_QUERY_CFG_CQ_OVERFLOW_SHIFT; | |
1180 | attr->srq_supported = (rsp->qp_srq_cq_ird_ord & | |
1181 | OCRDMA_MBX_QUERY_CFG_SRQ_SUPPORTED_MASK) >> | |
1182 | OCRDMA_MBX_QUERY_CFG_SRQ_SUPPORTED_SHIFT; | |
1183 | attr->local_ca_ack_delay = (rsp->max_pd_ca_ack_delay & | |
1184 | OCRDMA_MBX_QUERY_CFG_CA_ACK_DELAY_MASK) >> | |
1185 | OCRDMA_MBX_QUERY_CFG_CA_ACK_DELAY_SHIFT; | |
ac578aef | 1186 | attr->max_mw = rsp->max_mw; |
fe2caefc | 1187 | attr->max_mr = rsp->max_mr; |
033edd4d MA |
1188 | attr->max_mr_size = ((u64)rsp->max_mr_size_hi << 32) | |
1189 | rsp->max_mr_size_lo; | |
fe2caefc PP |
1190 | attr->max_fmr = 0; |
1191 | attr->max_pages_per_frmr = rsp->max_pages_per_frmr; | |
1192 | attr->max_num_mr_pbl = rsp->max_num_mr_pbl; | |
1193 | attr->max_cqe = rsp->max_cq_cqes_per_cq & | |
1194 | OCRDMA_MBX_QUERY_CFG_MAX_CQES_PER_CQ_MASK; | |
c43e9ab8 NG |
1195 | attr->max_cq = (rsp->max_cq_cqes_per_cq & |
1196 | OCRDMA_MBX_QUERY_CFG_MAX_CQ_MASK) >> | |
1197 | OCRDMA_MBX_QUERY_CFG_MAX_CQ_OFFSET; | |
fe2caefc PP |
1198 | attr->wqe_size = ((rsp->wqe_rqe_stride_max_dpp_cqs & |
1199 | OCRDMA_MBX_QUERY_CFG_MAX_WQE_SIZE_MASK) >> | |
1200 | OCRDMA_MBX_QUERY_CFG_MAX_WQE_SIZE_OFFSET) * | |
1201 | OCRDMA_WQE_STRIDE; | |
1202 | attr->rqe_size = ((rsp->wqe_rqe_stride_max_dpp_cqs & | |
1203 | OCRDMA_MBX_QUERY_CFG_MAX_RQE_SIZE_MASK) >> | |
1204 | OCRDMA_MBX_QUERY_CFG_MAX_RQE_SIZE_OFFSET) * | |
1205 | OCRDMA_WQE_STRIDE; | |
1206 | attr->max_inline_data = | |
1207 | attr->wqe_size - (sizeof(struct ocrdma_hdr_wqe) + | |
1208 | sizeof(struct ocrdma_sge)); | |
21c3391a | 1209 | if (ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R) { |
fe2caefc PP |
1210 | attr->ird = 1; |
1211 | attr->ird_page_size = OCRDMA_MIN_Q_PAGE_SIZE; | |
1212 | attr->num_ird_pages = MAX_OCRDMA_IRD_PAGES; | |
07bb5424 MV |
1213 | } |
1214 | dev->attr.max_wqe = rsp->max_wqes_rqes_per_q >> | |
1215 | OCRDMA_MBX_QUERY_CFG_MAX_WQES_PER_WQ_OFFSET; | |
1216 | dev->attr.max_rqe = rsp->max_wqes_rqes_per_q & | |
1217 | OCRDMA_MBX_QUERY_CFG_MAX_RQES_PER_RQ_MASK; | |
fe2caefc PP |
1218 | } |
1219 | ||
1220 | static int ocrdma_check_fw_config(struct ocrdma_dev *dev, | |
1221 | struct ocrdma_fw_conf_rsp *conf) | |
1222 | { | |
1223 | u32 fn_mode; | |
1224 | ||
1225 | fn_mode = conf->fn_mode & OCRDMA_FN_MODE_RDMA; | |
1226 | if (fn_mode != OCRDMA_FN_MODE_RDMA) | |
1227 | return -EINVAL; | |
1228 | dev->base_eqid = conf->base_eqid; | |
1229 | dev->max_eq = conf->max_eq; | |
fe2caefc PP |
1230 | return 0; |
1231 | } | |
1232 | ||
1233 | /* can be issued only during init time. */ | |
1234 | static int ocrdma_mbx_query_fw_ver(struct ocrdma_dev *dev) | |
1235 | { | |
1236 | int status = -ENOMEM; | |
1237 | struct ocrdma_mqe *cmd; | |
1238 | struct ocrdma_fw_ver_rsp *rsp; | |
1239 | ||
1240 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_GET_FW_VER, sizeof(*cmd)); | |
1241 | if (!cmd) | |
1242 | return -ENOMEM; | |
1243 | ocrdma_init_mch((struct ocrdma_mbx_hdr *)&cmd->u.cmd[0], | |
1244 | OCRDMA_CMD_GET_FW_VER, | |
1245 | OCRDMA_SUBSYS_COMMON, sizeof(*cmd)); | |
1246 | ||
1247 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
1248 | if (status) | |
1249 | goto mbx_err; | |
1250 | rsp = (struct ocrdma_fw_ver_rsp *)cmd; | |
1251 | memset(&dev->attr.fw_ver[0], 0, sizeof(dev->attr.fw_ver)); | |
1252 | memcpy(&dev->attr.fw_ver[0], &rsp->running_ver[0], | |
1253 | sizeof(rsp->running_ver)); | |
1254 | ocrdma_le32_to_cpu(dev->attr.fw_ver, sizeof(rsp->running_ver)); | |
1255 | mbx_err: | |
1256 | kfree(cmd); | |
1257 | return status; | |
1258 | } | |
1259 | ||
1260 | /* can be issued only during init time. */ | |
1261 | static int ocrdma_mbx_query_fw_config(struct ocrdma_dev *dev) | |
1262 | { | |
1263 | int status = -ENOMEM; | |
1264 | struct ocrdma_mqe *cmd; | |
1265 | struct ocrdma_fw_conf_rsp *rsp; | |
1266 | ||
1267 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_GET_FW_CONFIG, sizeof(*cmd)); | |
1268 | if (!cmd) | |
1269 | return -ENOMEM; | |
1270 | ocrdma_init_mch((struct ocrdma_mbx_hdr *)&cmd->u.cmd[0], | |
1271 | OCRDMA_CMD_GET_FW_CONFIG, | |
1272 | OCRDMA_SUBSYS_COMMON, sizeof(*cmd)); | |
1273 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
1274 | if (status) | |
1275 | goto mbx_err; | |
1276 | rsp = (struct ocrdma_fw_conf_rsp *)cmd; | |
1277 | status = ocrdma_check_fw_config(dev, rsp); | |
1278 | mbx_err: | |
1279 | kfree(cmd); | |
1280 | return status; | |
1281 | } | |
1282 | ||
a51f06e1 SX |
1283 | int ocrdma_mbx_rdma_stats(struct ocrdma_dev *dev, bool reset) |
1284 | { | |
1285 | struct ocrdma_rdma_stats_req *req = dev->stats_mem.va; | |
1286 | struct ocrdma_mqe *mqe = &dev->stats_mem.mqe; | |
beb9b703 | 1287 | struct ocrdma_rdma_stats_resp *old_stats; |
a51f06e1 SX |
1288 | int status; |
1289 | ||
beb9b703 | 1290 | old_stats = kmalloc(sizeof(*old_stats), GFP_KERNEL); |
a51f06e1 SX |
1291 | if (old_stats == NULL) |
1292 | return -ENOMEM; | |
1293 | ||
1294 | memset(mqe, 0, sizeof(*mqe)); | |
1295 | mqe->hdr.pyld_len = dev->stats_mem.size; | |
1296 | mqe->hdr.spcl_sge_cnt_emb |= | |
1297 | (1 << OCRDMA_MQE_HDR_SGE_CNT_SHIFT) & | |
1298 | OCRDMA_MQE_HDR_SGE_CNT_MASK; | |
1299 | mqe->u.nonemb_req.sge[0].pa_lo = (u32) (dev->stats_mem.pa & 0xffffffff); | |
1300 | mqe->u.nonemb_req.sge[0].pa_hi = (u32) upper_32_bits(dev->stats_mem.pa); | |
1301 | mqe->u.nonemb_req.sge[0].len = dev->stats_mem.size; | |
1302 | ||
1303 | /* Cache the old stats */ | |
1304 | memcpy(old_stats, req, sizeof(struct ocrdma_rdma_stats_resp)); | |
1305 | memset(req, 0, dev->stats_mem.size); | |
1306 | ||
1307 | ocrdma_init_mch((struct ocrdma_mbx_hdr *)req, | |
1308 | OCRDMA_CMD_GET_RDMA_STATS, | |
1309 | OCRDMA_SUBSYS_ROCE, | |
1310 | dev->stats_mem.size); | |
1311 | if (reset) | |
1312 | req->reset_stats = reset; | |
1313 | ||
1314 | status = ocrdma_nonemb_mbx_cmd(dev, mqe, dev->stats_mem.va); | |
1315 | if (status) | |
1316 | /* Copy from cache, if mbox fails */ | |
1317 | memcpy(req, old_stats, sizeof(struct ocrdma_rdma_stats_resp)); | |
1318 | else | |
1319 | ocrdma_le32_to_cpu(req, dev->stats_mem.size); | |
1320 | ||
1321 | kfree(old_stats); | |
1322 | return status; | |
1323 | } | |
1324 | ||
1325 | static int ocrdma_mbx_get_ctrl_attribs(struct ocrdma_dev *dev) | |
1326 | { | |
1327 | int status = -ENOMEM; | |
1328 | struct ocrdma_dma_mem dma; | |
1329 | struct ocrdma_mqe *mqe; | |
1330 | struct ocrdma_get_ctrl_attribs_rsp *ctrl_attr_rsp; | |
1331 | struct mgmt_hba_attribs *hba_attribs; | |
1332 | ||
beb9b703 | 1333 | mqe = kzalloc(sizeof(struct ocrdma_mqe), GFP_KERNEL); |
a51f06e1 SX |
1334 | if (!mqe) |
1335 | return status; | |
a51f06e1 SX |
1336 | |
1337 | dma.size = sizeof(struct ocrdma_get_ctrl_attribs_rsp); | |
1338 | dma.va = dma_alloc_coherent(&dev->nic_info.pdev->dev, | |
1339 | dma.size, &dma.pa, GFP_KERNEL); | |
1340 | if (!dma.va) | |
1341 | goto free_mqe; | |
1342 | ||
1343 | mqe->hdr.pyld_len = dma.size; | |
1344 | mqe->hdr.spcl_sge_cnt_emb |= | |
1345 | (1 << OCRDMA_MQE_HDR_SGE_CNT_SHIFT) & | |
1346 | OCRDMA_MQE_HDR_SGE_CNT_MASK; | |
1347 | mqe->u.nonemb_req.sge[0].pa_lo = (u32) (dma.pa & 0xffffffff); | |
1348 | mqe->u.nonemb_req.sge[0].pa_hi = (u32) upper_32_bits(dma.pa); | |
1349 | mqe->u.nonemb_req.sge[0].len = dma.size; | |
1350 | ||
1351 | memset(dma.va, 0, dma.size); | |
1352 | ocrdma_init_mch((struct ocrdma_mbx_hdr *)dma.va, | |
1353 | OCRDMA_CMD_GET_CTRL_ATTRIBUTES, | |
1354 | OCRDMA_SUBSYS_COMMON, | |
1355 | dma.size); | |
1356 | ||
1357 | status = ocrdma_nonemb_mbx_cmd(dev, mqe, dma.va); | |
1358 | if (!status) { | |
1359 | ctrl_attr_rsp = (struct ocrdma_get_ctrl_attribs_rsp *)dma.va; | |
1360 | hba_attribs = &ctrl_attr_rsp->ctrl_attribs.hba_attribs; | |
1361 | ||
8ac0c7c7 DS |
1362 | dev->hba_port_num = (hba_attribs->ptpnum_maxdoms_hbast_cv & |
1363 | OCRDMA_HBA_ATTRB_PTNUM_MASK) | |
1364 | >> OCRDMA_HBA_ATTRB_PTNUM_SHIFT; | |
a51f06e1 SX |
1365 | strncpy(dev->model_number, |
1366 | hba_attribs->controller_model_number, 31); | |
1367 | } | |
1368 | dma_free_coherent(&dev->nic_info.pdev->dev, dma.size, dma.va, dma.pa); | |
1369 | free_mqe: | |
1370 | kfree(mqe); | |
1371 | return status; | |
1372 | } | |
1373 | ||
fe2caefc PP |
1374 | static int ocrdma_mbx_query_dev(struct ocrdma_dev *dev) |
1375 | { | |
1376 | int status = -ENOMEM; | |
1377 | struct ocrdma_mbx_query_config *rsp; | |
1378 | struct ocrdma_mqe *cmd; | |
1379 | ||
1380 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_QUERY_CONFIG, sizeof(*cmd)); | |
1381 | if (!cmd) | |
1382 | return status; | |
1383 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
1384 | if (status) | |
1385 | goto mbx_err; | |
1386 | rsp = (struct ocrdma_mbx_query_config *)cmd; | |
1387 | ocrdma_get_attr(dev, &dev->attr, rsp); | |
1388 | mbx_err: | |
1389 | kfree(cmd); | |
1390 | return status; | |
1391 | } | |
1392 | ||
10a214dc DS |
1393 | int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed, |
1394 | u8 *lnk_state) | |
f24ceba6 NG |
1395 | { |
1396 | int status = -ENOMEM; | |
1397 | struct ocrdma_get_link_speed_rsp *rsp; | |
1398 | struct ocrdma_mqe *cmd; | |
1399 | ||
1400 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_QUERY_NTWK_LINK_CONFIG_V1, | |
1401 | sizeof(*cmd)); | |
1402 | if (!cmd) | |
1403 | return status; | |
1404 | ocrdma_init_mch((struct ocrdma_mbx_hdr *)&cmd->u.cmd[0], | |
1405 | OCRDMA_CMD_QUERY_NTWK_LINK_CONFIG_V1, | |
1406 | OCRDMA_SUBSYS_COMMON, sizeof(*cmd)); | |
1407 | ||
1408 | ((struct ocrdma_mbx_hdr *)cmd->u.cmd)->rsvd_version = 0x1; | |
1409 | ||
1410 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
1411 | if (status) | |
1412 | goto mbx_err; | |
1413 | ||
1414 | rsp = (struct ocrdma_get_link_speed_rsp *)cmd; | |
10a214dc DS |
1415 | if (lnk_speed) |
1416 | *lnk_speed = (rsp->pflt_pps_ld_pnum & OCRDMA_PHY_PS_MASK) | |
1417 | >> OCRDMA_PHY_PS_SHIFT; | |
1418 | if (lnk_state) | |
1419 | *lnk_state = (rsp->res_lnk_st & OCRDMA_LINK_ST_MASK); | |
f24ceba6 NG |
1420 | |
1421 | mbx_err: | |
1422 | kfree(cmd); | |
1423 | return status; | |
1424 | } | |
1425 | ||
a51f06e1 SX |
1426 | static int ocrdma_mbx_get_phy_info(struct ocrdma_dev *dev) |
1427 | { | |
1428 | int status = -ENOMEM; | |
1429 | struct ocrdma_mqe *cmd; | |
1430 | struct ocrdma_get_phy_info_rsp *rsp; | |
1431 | ||
1432 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_PHY_DETAILS, sizeof(*cmd)); | |
1433 | if (!cmd) | |
1434 | return status; | |
1435 | ||
1436 | ocrdma_init_mch((struct ocrdma_mbx_hdr *)&cmd->u.cmd[0], | |
1437 | OCRDMA_CMD_PHY_DETAILS, OCRDMA_SUBSYS_COMMON, | |
1438 | sizeof(*cmd)); | |
1439 | ||
1440 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
1441 | if (status) | |
1442 | goto mbx_err; | |
1443 | ||
1444 | rsp = (struct ocrdma_get_phy_info_rsp *)cmd; | |
8ac0c7c7 DS |
1445 | dev->phy.phy_type = |
1446 | (rsp->ityp_ptyp & OCRDMA_PHY_TYPE_MASK); | |
1447 | dev->phy.interface_type = | |
1448 | (rsp->ityp_ptyp & OCRDMA_IF_TYPE_MASK) | |
1449 | >> OCRDMA_IF_TYPE_SHIFT; | |
a51f06e1 | 1450 | dev->phy.auto_speeds_supported = |
8ac0c7c7 | 1451 | (rsp->fspeed_aspeed & OCRDMA_ASPEED_SUPP_MASK); |
a51f06e1 | 1452 | dev->phy.fixed_speeds_supported = |
8ac0c7c7 DS |
1453 | (rsp->fspeed_aspeed & OCRDMA_FSPEED_SUPP_MASK) |
1454 | >> OCRDMA_FSPEED_SUPP_SHIFT; | |
a51f06e1 SX |
1455 | mbx_err: |
1456 | kfree(cmd); | |
1457 | return status; | |
1458 | } | |
1459 | ||
fe2caefc PP |
1460 | int ocrdma_mbx_alloc_pd(struct ocrdma_dev *dev, struct ocrdma_pd *pd) |
1461 | { | |
1462 | int status = -ENOMEM; | |
1463 | struct ocrdma_alloc_pd *cmd; | |
1464 | struct ocrdma_alloc_pd_rsp *rsp; | |
1465 | ||
1466 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_ALLOC_PD, sizeof(*cmd)); | |
1467 | if (!cmd) | |
1468 | return status; | |
1469 | if (pd->dpp_enabled) | |
1470 | cmd->enable_dpp_rsvd |= OCRDMA_ALLOC_PD_ENABLE_DPP; | |
1471 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
1472 | if (status) | |
1473 | goto mbx_err; | |
1474 | rsp = (struct ocrdma_alloc_pd_rsp *)cmd; | |
1475 | pd->id = rsp->dpp_page_pdid & OCRDMA_ALLOC_PD_RSP_PDID_MASK; | |
1476 | if (rsp->dpp_page_pdid & OCRDMA_ALLOC_PD_RSP_DPP) { | |
1477 | pd->dpp_enabled = true; | |
1478 | pd->dpp_page = rsp->dpp_page_pdid >> | |
1479 | OCRDMA_ALLOC_PD_RSP_DPP_PAGE_SHIFT; | |
1480 | } else { | |
1481 | pd->dpp_enabled = false; | |
1482 | pd->num_dpp_qp = 0; | |
1483 | } | |
1484 | mbx_err: | |
1485 | kfree(cmd); | |
1486 | return status; | |
1487 | } | |
1488 | ||
1489 | int ocrdma_mbx_dealloc_pd(struct ocrdma_dev *dev, struct ocrdma_pd *pd) | |
1490 | { | |
1491 | int status = -ENOMEM; | |
1492 | struct ocrdma_dealloc_pd *cmd; | |
1493 | ||
1494 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_DEALLOC_PD, sizeof(*cmd)); | |
1495 | if (!cmd) | |
1496 | return status; | |
1497 | cmd->id = pd->id; | |
1498 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
1499 | kfree(cmd); | |
1500 | return status; | |
1501 | } | |
1502 | ||
9ba1377d MA |
1503 | |
1504 | static int ocrdma_mbx_alloc_pd_range(struct ocrdma_dev *dev) | |
1505 | { | |
1506 | int status = -ENOMEM; | |
1507 | size_t pd_bitmap_size; | |
1508 | struct ocrdma_alloc_pd_range *cmd; | |
1509 | struct ocrdma_alloc_pd_range_rsp *rsp; | |
1510 | ||
1511 | /* Pre allocate the DPP PDs */ | |
59582d86 MA |
1512 | if (dev->attr.max_dpp_pds) { |
1513 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_ALLOC_PD_RANGE, | |
1514 | sizeof(*cmd)); | |
1515 | if (!cmd) | |
1516 | return -ENOMEM; | |
1517 | cmd->pd_count = dev->attr.max_dpp_pds; | |
1518 | cmd->enable_dpp_rsvd |= OCRDMA_ALLOC_PD_ENABLE_DPP; | |
1519 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
1520 | rsp = (struct ocrdma_alloc_pd_range_rsp *)cmd; | |
1521 | ||
1522 | if (!status && (rsp->dpp_page_pdid & OCRDMA_ALLOC_PD_RSP_DPP) && | |
1523 | rsp->pd_count) { | |
1524 | dev->pd_mgr->dpp_page_index = rsp->dpp_page_pdid >> | |
1525 | OCRDMA_ALLOC_PD_RSP_DPP_PAGE_SHIFT; | |
1526 | dev->pd_mgr->pd_dpp_start = rsp->dpp_page_pdid & | |
1527 | OCRDMA_ALLOC_PD_RNG_RSP_START_PDID_MASK; | |
1528 | dev->pd_mgr->max_dpp_pd = rsp->pd_count; | |
1529 | pd_bitmap_size = | |
1530 | BITS_TO_LONGS(rsp->pd_count) * sizeof(long); | |
1531 | dev->pd_mgr->pd_dpp_bitmap = kzalloc(pd_bitmap_size, | |
1532 | GFP_KERNEL); | |
1533 | } | |
1534 | kfree(cmd); | |
9ba1377d | 1535 | } |
9ba1377d MA |
1536 | |
1537 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_ALLOC_PD_RANGE, sizeof(*cmd)); | |
1538 | if (!cmd) | |
1539 | return -ENOMEM; | |
1540 | ||
1541 | cmd->pd_count = dev->attr.max_pd - dev->attr.max_dpp_pds; | |
1542 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
9ba1377d | 1543 | rsp = (struct ocrdma_alloc_pd_range_rsp *)cmd; |
59582d86 | 1544 | if (!status && rsp->pd_count) { |
9ba1377d MA |
1545 | dev->pd_mgr->pd_norm_start = rsp->dpp_page_pdid & |
1546 | OCRDMA_ALLOC_PD_RNG_RSP_START_PDID_MASK; | |
1547 | dev->pd_mgr->max_normal_pd = rsp->pd_count; | |
1548 | pd_bitmap_size = BITS_TO_LONGS(rsp->pd_count) * sizeof(long); | |
1549 | dev->pd_mgr->pd_norm_bitmap = kzalloc(pd_bitmap_size, | |
1550 | GFP_KERNEL); | |
1551 | } | |
59582d86 | 1552 | kfree(cmd); |
9ba1377d MA |
1553 | |
1554 | if (dev->pd_mgr->pd_norm_bitmap || dev->pd_mgr->pd_dpp_bitmap) { | |
1555 | /* Enable PD resource manager */ | |
1556 | dev->pd_mgr->pd_prealloc_valid = true; | |
59582d86 | 1557 | return 0; |
9ba1377d | 1558 | } |
9ba1377d MA |
1559 | return status; |
1560 | } | |
1561 | ||
1562 | static void ocrdma_mbx_dealloc_pd_range(struct ocrdma_dev *dev) | |
1563 | { | |
1564 | struct ocrdma_dealloc_pd_range *cmd; | |
1565 | ||
1566 | /* return normal PDs to firmware */ | |
1567 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_DEALLOC_PD_RANGE, sizeof(*cmd)); | |
1568 | if (!cmd) | |
1569 | goto mbx_err; | |
1570 | ||
1571 | if (dev->pd_mgr->max_normal_pd) { | |
1572 | cmd->start_pd_id = dev->pd_mgr->pd_norm_start; | |
1573 | cmd->pd_count = dev->pd_mgr->max_normal_pd; | |
1574 | ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
1575 | } | |
1576 | ||
1577 | if (dev->pd_mgr->max_dpp_pd) { | |
1578 | kfree(cmd); | |
1579 | /* return DPP PDs to firmware */ | |
1580 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_DEALLOC_PD_RANGE, | |
1581 | sizeof(*cmd)); | |
1582 | if (!cmd) | |
1583 | goto mbx_err; | |
1584 | ||
1585 | cmd->start_pd_id = dev->pd_mgr->pd_dpp_start; | |
1586 | cmd->pd_count = dev->pd_mgr->max_dpp_pd; | |
1587 | ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
1588 | } | |
1589 | mbx_err: | |
1590 | kfree(cmd); | |
1591 | } | |
1592 | ||
1593 | void ocrdma_alloc_pd_pool(struct ocrdma_dev *dev) | |
1594 | { | |
1595 | int status; | |
1596 | ||
1597 | dev->pd_mgr = kzalloc(sizeof(struct ocrdma_pd_resource_mgr), | |
1598 | GFP_KERNEL); | |
1599 | if (!dev->pd_mgr) { | |
1600 | pr_err("%s(%d)Memory allocation failure.\n", __func__, dev->id); | |
1601 | return; | |
1602 | } | |
1603 | status = ocrdma_mbx_alloc_pd_range(dev); | |
1604 | if (status) { | |
1605 | pr_err("%s(%d) Unable to initialize PD pool, using default.\n", | |
1606 | __func__, dev->id); | |
1607 | } | |
1608 | } | |
1609 | ||
1610 | static void ocrdma_free_pd_pool(struct ocrdma_dev *dev) | |
1611 | { | |
1612 | ocrdma_mbx_dealloc_pd_range(dev); | |
1613 | kfree(dev->pd_mgr->pd_norm_bitmap); | |
1614 | kfree(dev->pd_mgr->pd_dpp_bitmap); | |
1615 | kfree(dev->pd_mgr); | |
1616 | } | |
1617 | ||
fe2caefc PP |
1618 | static int ocrdma_build_q_conf(u32 *num_entries, int entry_size, |
1619 | int *num_pages, int *page_size) | |
1620 | { | |
1621 | int i; | |
1622 | int mem_size; | |
1623 | ||
1624 | *num_entries = roundup_pow_of_two(*num_entries); | |
1625 | mem_size = *num_entries * entry_size; | |
1626 | /* find the possible lowest possible multiplier */ | |
1627 | for (i = 0; i < OCRDMA_MAX_Q_PAGE_SIZE_CNT; i++) { | |
1628 | if (mem_size <= (OCRDMA_Q_PAGE_BASE_SIZE << i)) | |
1629 | break; | |
1630 | } | |
1631 | if (i >= OCRDMA_MAX_Q_PAGE_SIZE_CNT) | |
1632 | return -EINVAL; | |
1633 | mem_size = roundup(mem_size, | |
1634 | ((OCRDMA_Q_PAGE_BASE_SIZE << i) / OCRDMA_MAX_Q_PAGES)); | |
1635 | *num_pages = | |
1636 | mem_size / ((OCRDMA_Q_PAGE_BASE_SIZE << i) / OCRDMA_MAX_Q_PAGES); | |
1637 | *page_size = ((OCRDMA_Q_PAGE_BASE_SIZE << i) / OCRDMA_MAX_Q_PAGES); | |
1638 | *num_entries = mem_size / entry_size; | |
1639 | return 0; | |
1640 | } | |
1641 | ||
1642 | static int ocrdma_mbx_create_ah_tbl(struct ocrdma_dev *dev) | |
1643 | { | |
fad51b7d | 1644 | int i; |
fe2caefc PP |
1645 | int status = 0; |
1646 | int max_ah; | |
1647 | struct ocrdma_create_ah_tbl *cmd; | |
1648 | struct ocrdma_create_ah_tbl_rsp *rsp; | |
1649 | struct pci_dev *pdev = dev->nic_info.pdev; | |
1650 | dma_addr_t pa; | |
1651 | struct ocrdma_pbe *pbes; | |
1652 | ||
1653 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_CREATE_AH_TBL, sizeof(*cmd)); | |
1654 | if (!cmd) | |
1655 | return status; | |
1656 | ||
1657 | max_ah = OCRDMA_MAX_AH; | |
1658 | dev->av_tbl.size = sizeof(struct ocrdma_av) * max_ah; | |
1659 | ||
1660 | /* number of PBEs in PBL */ | |
1661 | cmd->ah_conf = (OCRDMA_AH_TBL_PAGES << | |
1662 | OCRDMA_CREATE_AH_NUM_PAGES_SHIFT) & | |
1663 | OCRDMA_CREATE_AH_NUM_PAGES_MASK; | |
1664 | ||
1665 | /* page size */ | |
1666 | for (i = 0; i < OCRDMA_MAX_Q_PAGE_SIZE_CNT; i++) { | |
1667 | if (PAGE_SIZE == (OCRDMA_MIN_Q_PAGE_SIZE << i)) | |
1668 | break; | |
1669 | } | |
1670 | cmd->ah_conf |= (i << OCRDMA_CREATE_AH_PAGE_SIZE_SHIFT) & | |
1671 | OCRDMA_CREATE_AH_PAGE_SIZE_MASK; | |
1672 | ||
1673 | /* ah_entry size */ | |
1674 | cmd->ah_conf |= (sizeof(struct ocrdma_av) << | |
1675 | OCRDMA_CREATE_AH_ENTRY_SIZE_SHIFT) & | |
1676 | OCRDMA_CREATE_AH_ENTRY_SIZE_MASK; | |
1677 | ||
1678 | dev->av_tbl.pbl.va = dma_alloc_coherent(&pdev->dev, PAGE_SIZE, | |
1679 | &dev->av_tbl.pbl.pa, | |
1680 | GFP_KERNEL); | |
1681 | if (dev->av_tbl.pbl.va == NULL) | |
1682 | goto mem_err; | |
1683 | ||
1684 | dev->av_tbl.va = dma_alloc_coherent(&pdev->dev, dev->av_tbl.size, | |
1685 | &pa, GFP_KERNEL); | |
1686 | if (dev->av_tbl.va == NULL) | |
1687 | goto mem_err_ah; | |
1688 | dev->av_tbl.pa = pa; | |
1689 | dev->av_tbl.num_ah = max_ah; | |
1690 | memset(dev->av_tbl.va, 0, dev->av_tbl.size); | |
1691 | ||
1692 | pbes = (struct ocrdma_pbe *)dev->av_tbl.pbl.va; | |
1693 | for (i = 0; i < dev->av_tbl.size / OCRDMA_MIN_Q_PAGE_SIZE; i++) { | |
8ac0c7c7 DS |
1694 | pbes[i].pa_lo = (u32)cpu_to_le32(pa & 0xffffffff); |
1695 | pbes[i].pa_hi = (u32)cpu_to_le32(upper_32_bits(pa)); | |
fe2caefc PP |
1696 | pa += PAGE_SIZE; |
1697 | } | |
1698 | cmd->tbl_addr[0].lo = (u32)(dev->av_tbl.pbl.pa & 0xFFFFFFFF); | |
1699 | cmd->tbl_addr[0].hi = (u32)upper_32_bits(dev->av_tbl.pbl.pa); | |
1700 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
1701 | if (status) | |
1702 | goto mbx_err; | |
1703 | rsp = (struct ocrdma_create_ah_tbl_rsp *)cmd; | |
1704 | dev->av_tbl.ahid = rsp->ahid & 0xFFFF; | |
1705 | kfree(cmd); | |
1706 | return 0; | |
1707 | ||
1708 | mbx_err: | |
1709 | dma_free_coherent(&pdev->dev, dev->av_tbl.size, dev->av_tbl.va, | |
1710 | dev->av_tbl.pa); | |
1711 | dev->av_tbl.va = NULL; | |
1712 | mem_err_ah: | |
1713 | dma_free_coherent(&pdev->dev, PAGE_SIZE, dev->av_tbl.pbl.va, | |
1714 | dev->av_tbl.pbl.pa); | |
1715 | dev->av_tbl.pbl.va = NULL; | |
1716 | dev->av_tbl.size = 0; | |
1717 | mem_err: | |
1718 | kfree(cmd); | |
1719 | return status; | |
1720 | } | |
1721 | ||
1722 | static void ocrdma_mbx_delete_ah_tbl(struct ocrdma_dev *dev) | |
1723 | { | |
1724 | struct ocrdma_delete_ah_tbl *cmd; | |
1725 | struct pci_dev *pdev = dev->nic_info.pdev; | |
1726 | ||
1727 | if (dev->av_tbl.va == NULL) | |
1728 | return; | |
1729 | ||
1730 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_DELETE_AH_TBL, sizeof(*cmd)); | |
1731 | if (!cmd) | |
1732 | return; | |
1733 | cmd->ahid = dev->av_tbl.ahid; | |
1734 | ||
1735 | ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
1736 | dma_free_coherent(&pdev->dev, dev->av_tbl.size, dev->av_tbl.va, | |
1737 | dev->av_tbl.pa); | |
daac9681 | 1738 | dev->av_tbl.va = NULL; |
fe2caefc PP |
1739 | dma_free_coherent(&pdev->dev, PAGE_SIZE, dev->av_tbl.pbl.va, |
1740 | dev->av_tbl.pbl.pa); | |
1741 | kfree(cmd); | |
1742 | } | |
1743 | ||
1744 | /* Multiple CQs uses the EQ. This routine returns least used | |
1745 | * EQ to associate with CQ. This will distributes the interrupt | |
1746 | * processing and CPU load to associated EQ, vector and so to that CPU. | |
1747 | */ | |
1748 | static u16 ocrdma_bind_eq(struct ocrdma_dev *dev) | |
1749 | { | |
1750 | int i, selected_eq = 0, cq_cnt = 0; | |
1751 | u16 eq_id; | |
1752 | ||
1753 | mutex_lock(&dev->dev_lock); | |
c88bd03f NG |
1754 | cq_cnt = dev->eq_tbl[0].cq_cnt; |
1755 | eq_id = dev->eq_tbl[0].q.id; | |
fe2caefc PP |
1756 | /* find the EQ which is has the least number of |
1757 | * CQs associated with it. | |
1758 | */ | |
1759 | for (i = 0; i < dev->eq_cnt; i++) { | |
c88bd03f NG |
1760 | if (dev->eq_tbl[i].cq_cnt < cq_cnt) { |
1761 | cq_cnt = dev->eq_tbl[i].cq_cnt; | |
1762 | eq_id = dev->eq_tbl[i].q.id; | |
fe2caefc PP |
1763 | selected_eq = i; |
1764 | } | |
1765 | } | |
c88bd03f | 1766 | dev->eq_tbl[selected_eq].cq_cnt += 1; |
fe2caefc PP |
1767 | mutex_unlock(&dev->dev_lock); |
1768 | return eq_id; | |
1769 | } | |
1770 | ||
1771 | static void ocrdma_unbind_eq(struct ocrdma_dev *dev, u16 eq_id) | |
1772 | { | |
1773 | int i; | |
1774 | ||
1775 | mutex_lock(&dev->dev_lock); | |
ea617626 DS |
1776 | i = ocrdma_get_eq_table_index(dev, eq_id); |
1777 | if (i == -EINVAL) | |
1778 | BUG(); | |
1779 | dev->eq_tbl[i].cq_cnt -= 1; | |
fe2caefc PP |
1780 | mutex_unlock(&dev->dev_lock); |
1781 | } | |
1782 | ||
1783 | int ocrdma_mbx_create_cq(struct ocrdma_dev *dev, struct ocrdma_cq *cq, | |
cffce990 | 1784 | int entries, int dpp_cq, u16 pd_id) |
fe2caefc PP |
1785 | { |
1786 | int status = -ENOMEM; int max_hw_cqe; | |
1787 | struct pci_dev *pdev = dev->nic_info.pdev; | |
1788 | struct ocrdma_create_cq *cmd; | |
1789 | struct ocrdma_create_cq_rsp *rsp; | |
1790 | u32 hw_pages, cqe_size, page_size, cqe_count; | |
1791 | ||
fe2caefc | 1792 | if (entries > dev->attr.max_cqe) { |
ef99c4c2 NG |
1793 | pr_err("%s(%d) max_cqe=0x%x, requester_cqe=0x%x\n", |
1794 | __func__, dev->id, dev->attr.max_cqe, entries); | |
fe2caefc PP |
1795 | return -EINVAL; |
1796 | } | |
21c3391a | 1797 | if (dpp_cq && (ocrdma_get_asic_type(dev) != OCRDMA_ASIC_GEN_SKH_R)) |
fe2caefc PP |
1798 | return -EINVAL; |
1799 | ||
1800 | if (dpp_cq) { | |
1801 | cq->max_hw_cqe = 1; | |
1802 | max_hw_cqe = 1; | |
1803 | cqe_size = OCRDMA_DPP_CQE_SIZE; | |
1804 | hw_pages = 1; | |
1805 | } else { | |
1806 | cq->max_hw_cqe = dev->attr.max_cqe; | |
1807 | max_hw_cqe = dev->attr.max_cqe; | |
1808 | cqe_size = sizeof(struct ocrdma_cqe); | |
1809 | hw_pages = OCRDMA_CREATE_CQ_MAX_PAGES; | |
1810 | } | |
1811 | ||
1812 | cq->len = roundup(max_hw_cqe * cqe_size, OCRDMA_MIN_Q_PAGE_SIZE); | |
1813 | ||
1814 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_CREATE_CQ, sizeof(*cmd)); | |
1815 | if (!cmd) | |
1816 | return -ENOMEM; | |
1817 | ocrdma_init_mch(&cmd->cmd.req, OCRDMA_CMD_CREATE_CQ, | |
1818 | OCRDMA_SUBSYS_COMMON, sizeof(*cmd)); | |
1819 | cq->va = dma_alloc_coherent(&pdev->dev, cq->len, &cq->pa, GFP_KERNEL); | |
1820 | if (!cq->va) { | |
1821 | status = -ENOMEM; | |
1822 | goto mem_err; | |
1823 | } | |
1824 | memset(cq->va, 0, cq->len); | |
1825 | page_size = cq->len / hw_pages; | |
1826 | cmd->cmd.pgsz_pgcnt = (page_size / OCRDMA_MIN_Q_PAGE_SIZE) << | |
1827 | OCRDMA_CREATE_CQ_PAGE_SIZE_SHIFT; | |
1828 | cmd->cmd.pgsz_pgcnt |= hw_pages; | |
1829 | cmd->cmd.ev_cnt_flags = OCRDMA_CREATE_CQ_DEF_FLAGS; | |
1830 | ||
fe2caefc | 1831 | cq->eqn = ocrdma_bind_eq(dev); |
cffce990 | 1832 | cmd->cmd.req.rsvd_version = OCRDMA_CREATE_CQ_VER3; |
fe2caefc | 1833 | cqe_count = cq->len / cqe_size; |
ea617626 | 1834 | cq->cqe_cnt = cqe_count; |
f99b1649 | 1835 | if (cqe_count > 1024) { |
fe2caefc PP |
1836 | /* Set cnt to 3 to indicate more than 1024 cq entries */ |
1837 | cmd->cmd.ev_cnt_flags |= (0x3 << OCRDMA_CREATE_CQ_CNT_SHIFT); | |
f99b1649 | 1838 | } else { |
fe2caefc PP |
1839 | u8 count = 0; |
1840 | switch (cqe_count) { | |
1841 | case 256: | |
1842 | count = 0; | |
1843 | break; | |
1844 | case 512: | |
1845 | count = 1; | |
1846 | break; | |
1847 | case 1024: | |
1848 | count = 2; | |
1849 | break; | |
1850 | default: | |
1851 | goto mbx_err; | |
1852 | } | |
1853 | cmd->cmd.ev_cnt_flags |= (count << OCRDMA_CREATE_CQ_CNT_SHIFT); | |
1854 | } | |
1855 | /* shared eq between all the consumer cqs. */ | |
1856 | cmd->cmd.eqn = cq->eqn; | |
21c3391a | 1857 | if (ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R) { |
fe2caefc PP |
1858 | if (dpp_cq) |
1859 | cmd->cmd.pgsz_pgcnt |= OCRDMA_CREATE_CQ_DPP << | |
1860 | OCRDMA_CREATE_CQ_TYPE_SHIFT; | |
1861 | cq->phase_change = false; | |
8ac0c7c7 | 1862 | cmd->cmd.pdid_cqecnt = (cq->len / cqe_size); |
fe2caefc | 1863 | } else { |
8ac0c7c7 | 1864 | cmd->cmd.pdid_cqecnt = (cq->len / cqe_size) - 1; |
fe2caefc PP |
1865 | cmd->cmd.ev_cnt_flags |= OCRDMA_CREATE_CQ_FLAGS_AUTO_VALID; |
1866 | cq->phase_change = true; | |
1867 | } | |
1868 | ||
8ac0c7c7 DS |
1869 | /* pd_id valid only for v3 */ |
1870 | cmd->cmd.pdid_cqecnt |= (pd_id << | |
1871 | OCRDMA_CREATE_CQ_CMD_PDID_SHIFT); | |
fe2caefc PP |
1872 | ocrdma_build_q_pages(&cmd->cmd.pa[0], hw_pages, cq->pa, page_size); |
1873 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
1874 | if (status) | |
1875 | goto mbx_err; | |
1876 | ||
1877 | rsp = (struct ocrdma_create_cq_rsp *)cmd; | |
1878 | cq->id = (u16) (rsp->rsp.cq_id & OCRDMA_CREATE_CQ_RSP_CQ_ID_MASK); | |
1879 | kfree(cmd); | |
1880 | return 0; | |
1881 | mbx_err: | |
1882 | ocrdma_unbind_eq(dev, cq->eqn); | |
fe2caefc PP |
1883 | dma_free_coherent(&pdev->dev, cq->len, cq->va, cq->pa); |
1884 | mem_err: | |
1885 | kfree(cmd); | |
1886 | return status; | |
1887 | } | |
1888 | ||
1889 | int ocrdma_mbx_destroy_cq(struct ocrdma_dev *dev, struct ocrdma_cq *cq) | |
1890 | { | |
1891 | int status = -ENOMEM; | |
1892 | struct ocrdma_destroy_cq *cmd; | |
1893 | ||
1894 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_DELETE_CQ, sizeof(*cmd)); | |
1895 | if (!cmd) | |
1896 | return status; | |
1897 | ocrdma_init_mch(&cmd->req, OCRDMA_CMD_DELETE_CQ, | |
1898 | OCRDMA_SUBSYS_COMMON, sizeof(*cmd)); | |
1899 | ||
1900 | cmd->bypass_flush_qid |= | |
1901 | (cq->id << OCRDMA_DESTROY_CQ_QID_SHIFT) & | |
1902 | OCRDMA_DESTROY_CQ_QID_MASK; | |
1903 | ||
fe2caefc | 1904 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); |
ea617626 | 1905 | ocrdma_unbind_eq(dev, cq->eqn); |
fe2caefc | 1906 | dma_free_coherent(&dev->nic_info.pdev->dev, cq->len, cq->va, cq->pa); |
fe2caefc PP |
1907 | kfree(cmd); |
1908 | return status; | |
1909 | } | |
1910 | ||
1911 | int ocrdma_mbx_alloc_lkey(struct ocrdma_dev *dev, struct ocrdma_hw_mr *hwmr, | |
1912 | u32 pdid, int addr_check) | |
1913 | { | |
1914 | int status = -ENOMEM; | |
1915 | struct ocrdma_alloc_lkey *cmd; | |
1916 | struct ocrdma_alloc_lkey_rsp *rsp; | |
1917 | ||
1918 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_ALLOC_LKEY, sizeof(*cmd)); | |
1919 | if (!cmd) | |
1920 | return status; | |
1921 | cmd->pdid = pdid; | |
1922 | cmd->pbl_sz_flags |= addr_check; | |
1923 | cmd->pbl_sz_flags |= (hwmr->fr_mr << OCRDMA_ALLOC_LKEY_FMR_SHIFT); | |
1924 | cmd->pbl_sz_flags |= | |
1925 | (hwmr->remote_wr << OCRDMA_ALLOC_LKEY_REMOTE_WR_SHIFT); | |
1926 | cmd->pbl_sz_flags |= | |
1927 | (hwmr->remote_rd << OCRDMA_ALLOC_LKEY_REMOTE_RD_SHIFT); | |
1928 | cmd->pbl_sz_flags |= | |
1929 | (hwmr->local_wr << OCRDMA_ALLOC_LKEY_LOCAL_WR_SHIFT); | |
1930 | cmd->pbl_sz_flags |= | |
1931 | (hwmr->remote_atomic << OCRDMA_ALLOC_LKEY_REMOTE_ATOMIC_SHIFT); | |
1932 | cmd->pbl_sz_flags |= | |
1933 | (hwmr->num_pbls << OCRDMA_ALLOC_LKEY_PBL_SIZE_SHIFT); | |
1934 | ||
1935 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
1936 | if (status) | |
1937 | goto mbx_err; | |
1938 | rsp = (struct ocrdma_alloc_lkey_rsp *)cmd; | |
1939 | hwmr->lkey = rsp->lrkey; | |
1940 | mbx_err: | |
1941 | kfree(cmd); | |
1942 | return status; | |
1943 | } | |
1944 | ||
1945 | int ocrdma_mbx_dealloc_lkey(struct ocrdma_dev *dev, int fr_mr, u32 lkey) | |
1946 | { | |
1947 | int status = -ENOMEM; | |
1948 | struct ocrdma_dealloc_lkey *cmd; | |
1949 | ||
1950 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_DEALLOC_LKEY, sizeof(*cmd)); | |
1951 | if (!cmd) | |
1952 | return -ENOMEM; | |
1953 | cmd->lkey = lkey; | |
1954 | cmd->rsvd_frmr = fr_mr ? 1 : 0; | |
1955 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
1956 | if (status) | |
1957 | goto mbx_err; | |
1958 | mbx_err: | |
1959 | kfree(cmd); | |
1960 | return status; | |
1961 | } | |
1962 | ||
1963 | static int ocrdma_mbx_reg_mr(struct ocrdma_dev *dev, struct ocrdma_hw_mr *hwmr, | |
1964 | u32 pdid, u32 pbl_cnt, u32 pbe_size, u32 last) | |
1965 | { | |
1966 | int status = -ENOMEM; | |
1967 | int i; | |
1968 | struct ocrdma_reg_nsmr *cmd; | |
1969 | struct ocrdma_reg_nsmr_rsp *rsp; | |
1970 | ||
1971 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_REGISTER_NSMR, sizeof(*cmd)); | |
1972 | if (!cmd) | |
1973 | return -ENOMEM; | |
1974 | cmd->num_pbl_pdid = | |
1975 | pdid | (hwmr->num_pbls << OCRDMA_REG_NSMR_NUM_PBL_SHIFT); | |
2b51a9b9 | 1976 | cmd->fr_mr = hwmr->fr_mr; |
fe2caefc PP |
1977 | |
1978 | cmd->flags_hpage_pbe_sz |= (hwmr->remote_wr << | |
1979 | OCRDMA_REG_NSMR_REMOTE_WR_SHIFT); | |
1980 | cmd->flags_hpage_pbe_sz |= (hwmr->remote_rd << | |
1981 | OCRDMA_REG_NSMR_REMOTE_RD_SHIFT); | |
1982 | cmd->flags_hpage_pbe_sz |= (hwmr->local_wr << | |
1983 | OCRDMA_REG_NSMR_LOCAL_WR_SHIFT); | |
1984 | cmd->flags_hpage_pbe_sz |= (hwmr->remote_atomic << | |
1985 | OCRDMA_REG_NSMR_REMOTE_ATOMIC_SHIFT); | |
1986 | cmd->flags_hpage_pbe_sz |= (hwmr->mw_bind << | |
1987 | OCRDMA_REG_NSMR_BIND_MEMWIN_SHIFT); | |
1988 | cmd->flags_hpage_pbe_sz |= (last << OCRDMA_REG_NSMR_LAST_SHIFT); | |
1989 | ||
1990 | cmd->flags_hpage_pbe_sz |= (hwmr->pbe_size / OCRDMA_MIN_HPAGE_SIZE); | |
1991 | cmd->flags_hpage_pbe_sz |= (hwmr->pbl_size / OCRDMA_MIN_HPAGE_SIZE) << | |
1992 | OCRDMA_REG_NSMR_HPAGE_SIZE_SHIFT; | |
1993 | cmd->totlen_low = hwmr->len; | |
1994 | cmd->totlen_high = upper_32_bits(hwmr->len); | |
1995 | cmd->fbo_low = (u32) (hwmr->fbo & 0xffffffff); | |
1996 | cmd->fbo_high = (u32) upper_32_bits(hwmr->fbo); | |
1997 | cmd->va_loaddr = (u32) hwmr->va; | |
1998 | cmd->va_hiaddr = (u32) upper_32_bits(hwmr->va); | |
1999 | ||
2000 | for (i = 0; i < pbl_cnt; i++) { | |
2001 | cmd->pbl[i].lo = (u32) (hwmr->pbl_table[i].pa & 0xffffffff); | |
2002 | cmd->pbl[i].hi = upper_32_bits(hwmr->pbl_table[i].pa); | |
2003 | } | |
2004 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
2005 | if (status) | |
2006 | goto mbx_err; | |
2007 | rsp = (struct ocrdma_reg_nsmr_rsp *)cmd; | |
2008 | hwmr->lkey = rsp->lrkey; | |
2009 | mbx_err: | |
2010 | kfree(cmd); | |
2011 | return status; | |
2012 | } | |
2013 | ||
2014 | static int ocrdma_mbx_reg_mr_cont(struct ocrdma_dev *dev, | |
2015 | struct ocrdma_hw_mr *hwmr, u32 pbl_cnt, | |
2016 | u32 pbl_offset, u32 last) | |
2017 | { | |
2018 | int status = -ENOMEM; | |
2019 | int i; | |
2020 | struct ocrdma_reg_nsmr_cont *cmd; | |
2021 | ||
2022 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_REGISTER_NSMR_CONT, sizeof(*cmd)); | |
2023 | if (!cmd) | |
2024 | return -ENOMEM; | |
2025 | cmd->lrkey = hwmr->lkey; | |
2026 | cmd->num_pbl_offset = (pbl_cnt << OCRDMA_REG_NSMR_CONT_NUM_PBL_SHIFT) | | |
2027 | (pbl_offset & OCRDMA_REG_NSMR_CONT_PBL_SHIFT_MASK); | |
2028 | cmd->last = last << OCRDMA_REG_NSMR_CONT_LAST_SHIFT; | |
2029 | ||
2030 | for (i = 0; i < pbl_cnt; i++) { | |
2031 | cmd->pbl[i].lo = | |
2032 | (u32) (hwmr->pbl_table[i + pbl_offset].pa & 0xffffffff); | |
2033 | cmd->pbl[i].hi = | |
2034 | upper_32_bits(hwmr->pbl_table[i + pbl_offset].pa); | |
2035 | } | |
2036 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
2037 | if (status) | |
2038 | goto mbx_err; | |
2039 | mbx_err: | |
2040 | kfree(cmd); | |
2041 | return status; | |
2042 | } | |
2043 | ||
2044 | int ocrdma_reg_mr(struct ocrdma_dev *dev, | |
2045 | struct ocrdma_hw_mr *hwmr, u32 pdid, int acc) | |
2046 | { | |
2047 | int status; | |
2048 | u32 last = 0; | |
2049 | u32 cur_pbl_cnt, pbl_offset; | |
2050 | u32 pending_pbl_cnt = hwmr->num_pbls; | |
2051 | ||
2052 | pbl_offset = 0; | |
2053 | cur_pbl_cnt = min(pending_pbl_cnt, MAX_OCRDMA_NSMR_PBL); | |
2054 | if (cur_pbl_cnt == pending_pbl_cnt) | |
2055 | last = 1; | |
2056 | ||
2057 | status = ocrdma_mbx_reg_mr(dev, hwmr, pdid, | |
2058 | cur_pbl_cnt, hwmr->pbe_size, last); | |
2059 | if (status) { | |
ef99c4c2 | 2060 | pr_err("%s() status=%d\n", __func__, status); |
fe2caefc PP |
2061 | return status; |
2062 | } | |
2063 | /* if there is no more pbls to register then exit. */ | |
2064 | if (last) | |
2065 | return 0; | |
2066 | ||
2067 | while (!last) { | |
2068 | pbl_offset += cur_pbl_cnt; | |
2069 | pending_pbl_cnt -= cur_pbl_cnt; | |
2070 | cur_pbl_cnt = min(pending_pbl_cnt, MAX_OCRDMA_NSMR_PBL); | |
2071 | /* if we reach the end of the pbls, then need to set the last | |
2072 | * bit, indicating no more pbls to register for this memory key. | |
2073 | */ | |
2074 | if (cur_pbl_cnt == pending_pbl_cnt) | |
2075 | last = 1; | |
2076 | ||
2077 | status = ocrdma_mbx_reg_mr_cont(dev, hwmr, cur_pbl_cnt, | |
2078 | pbl_offset, last); | |
2079 | if (status) | |
2080 | break; | |
2081 | } | |
2082 | if (status) | |
ef99c4c2 | 2083 | pr_err("%s() err. status=%d\n", __func__, status); |
fe2caefc PP |
2084 | |
2085 | return status; | |
2086 | } | |
2087 | ||
2088 | bool ocrdma_is_qp_in_sq_flushlist(struct ocrdma_cq *cq, struct ocrdma_qp *qp) | |
2089 | { | |
2090 | struct ocrdma_qp *tmp; | |
2091 | bool found = false; | |
2092 | list_for_each_entry(tmp, &cq->sq_head, sq_entry) { | |
2093 | if (qp == tmp) { | |
2094 | found = true; | |
2095 | break; | |
2096 | } | |
2097 | } | |
2098 | return found; | |
2099 | } | |
2100 | ||
2101 | bool ocrdma_is_qp_in_rq_flushlist(struct ocrdma_cq *cq, struct ocrdma_qp *qp) | |
2102 | { | |
2103 | struct ocrdma_qp *tmp; | |
2104 | bool found = false; | |
2105 | list_for_each_entry(tmp, &cq->rq_head, rq_entry) { | |
2106 | if (qp == tmp) { | |
2107 | found = true; | |
2108 | break; | |
2109 | } | |
2110 | } | |
2111 | return found; | |
2112 | } | |
2113 | ||
2114 | void ocrdma_flush_qp(struct ocrdma_qp *qp) | |
2115 | { | |
2116 | bool found; | |
2117 | unsigned long flags; | |
d2b8f7b1 | 2118 | struct ocrdma_dev *dev = get_ocrdma_dev(qp->ibqp.device); |
fe2caefc | 2119 | |
d2b8f7b1 | 2120 | spin_lock_irqsave(&dev->flush_q_lock, flags); |
fe2caefc PP |
2121 | found = ocrdma_is_qp_in_sq_flushlist(qp->sq_cq, qp); |
2122 | if (!found) | |
2123 | list_add_tail(&qp->sq_entry, &qp->sq_cq->sq_head); | |
2124 | if (!qp->srq) { | |
2125 | found = ocrdma_is_qp_in_rq_flushlist(qp->rq_cq, qp); | |
2126 | if (!found) | |
2127 | list_add_tail(&qp->rq_entry, &qp->rq_cq->rq_head); | |
2128 | } | |
d2b8f7b1 | 2129 | spin_unlock_irqrestore(&dev->flush_q_lock, flags); |
fe2caefc PP |
2130 | } |
2131 | ||
f11220ee NG |
2132 | static void ocrdma_init_hwq_ptr(struct ocrdma_qp *qp) |
2133 | { | |
2134 | qp->sq.head = 0; | |
2135 | qp->sq.tail = 0; | |
2136 | qp->rq.head = 0; | |
2137 | qp->rq.tail = 0; | |
2138 | } | |
2139 | ||
057729cb NG |
2140 | int ocrdma_qp_state_change(struct ocrdma_qp *qp, enum ib_qp_state new_ib_state, |
2141 | enum ib_qp_state *old_ib_state) | |
fe2caefc PP |
2142 | { |
2143 | unsigned long flags; | |
2144 | int status = 0; | |
2145 | enum ocrdma_qp_state new_state; | |
2146 | new_state = get_ocrdma_qp_state(new_ib_state); | |
2147 | ||
2148 | /* sync with wqe and rqe posting */ | |
2149 | spin_lock_irqsave(&qp->q_lock, flags); | |
2150 | ||
2151 | if (old_ib_state) | |
2152 | *old_ib_state = get_ibqp_state(qp->state); | |
2153 | if (new_state == qp->state) { | |
2154 | spin_unlock_irqrestore(&qp->q_lock, flags); | |
2155 | return 1; | |
2156 | } | |
2157 | ||
057729cb | 2158 | |
f11220ee NG |
2159 | if (new_state == OCRDMA_QPS_INIT) { |
2160 | ocrdma_init_hwq_ptr(qp); | |
2161 | ocrdma_del_flush_qp(qp); | |
2162 | } else if (new_state == OCRDMA_QPS_ERR) { | |
057729cb | 2163 | ocrdma_flush_qp(qp); |
f11220ee | 2164 | } |
057729cb NG |
2165 | |
2166 | qp->state = new_state; | |
fe2caefc PP |
2167 | |
2168 | spin_unlock_irqrestore(&qp->q_lock, flags); | |
2169 | return status; | |
2170 | } | |
2171 | ||
2172 | static u32 ocrdma_set_create_qp_mbx_access_flags(struct ocrdma_qp *qp) | |
2173 | { | |
2174 | u32 flags = 0; | |
2175 | if (qp->cap_flags & OCRDMA_QP_INB_RD) | |
2176 | flags |= OCRDMA_CREATE_QP_REQ_INB_RDEN_MASK; | |
2177 | if (qp->cap_flags & OCRDMA_QP_INB_WR) | |
2178 | flags |= OCRDMA_CREATE_QP_REQ_INB_WREN_MASK; | |
2179 | if (qp->cap_flags & OCRDMA_QP_MW_BIND) | |
2180 | flags |= OCRDMA_CREATE_QP_REQ_BIND_MEMWIN_MASK; | |
2181 | if (qp->cap_flags & OCRDMA_QP_LKEY0) | |
2182 | flags |= OCRDMA_CREATE_QP_REQ_ZERO_LKEYEN_MASK; | |
2183 | if (qp->cap_flags & OCRDMA_QP_FAST_REG) | |
2184 | flags |= OCRDMA_CREATE_QP_REQ_FMR_EN_MASK; | |
2185 | return flags; | |
2186 | } | |
2187 | ||
2188 | static int ocrdma_set_create_qp_sq_cmd(struct ocrdma_create_qp_req *cmd, | |
2189 | struct ib_qp_init_attr *attrs, | |
2190 | struct ocrdma_qp *qp) | |
2191 | { | |
2192 | int status; | |
2193 | u32 len, hw_pages, hw_page_size; | |
2194 | dma_addr_t pa; | |
d2b8f7b1 MA |
2195 | struct ocrdma_pd *pd = qp->pd; |
2196 | struct ocrdma_dev *dev = get_ocrdma_dev(pd->ibpd.device); | |
fe2caefc PP |
2197 | struct pci_dev *pdev = dev->nic_info.pdev; |
2198 | u32 max_wqe_allocated; | |
2199 | u32 max_sges = attrs->cap.max_send_sge; | |
2200 | ||
43a6b402 | 2201 | /* QP1 may exceed 127 */ |
6ebacdfc | 2202 | max_wqe_allocated = min_t(u32, attrs->cap.max_send_wr + 1, |
43a6b402 | 2203 | dev->attr.max_wqe); |
fe2caefc PP |
2204 | |
2205 | status = ocrdma_build_q_conf(&max_wqe_allocated, | |
2206 | dev->attr.wqe_size, &hw_pages, &hw_page_size); | |
2207 | if (status) { | |
ef99c4c2 NG |
2208 | pr_err("%s() req. max_send_wr=0x%x\n", __func__, |
2209 | max_wqe_allocated); | |
fe2caefc PP |
2210 | return -EINVAL; |
2211 | } | |
2212 | qp->sq.max_cnt = max_wqe_allocated; | |
2213 | len = (hw_pages * hw_page_size); | |
2214 | ||
2215 | qp->sq.va = dma_alloc_coherent(&pdev->dev, len, &pa, GFP_KERNEL); | |
2216 | if (!qp->sq.va) | |
2217 | return -EINVAL; | |
2218 | memset(qp->sq.va, 0, len); | |
2219 | qp->sq.len = len; | |
2220 | qp->sq.pa = pa; | |
2221 | qp->sq.entry_size = dev->attr.wqe_size; | |
2222 | ocrdma_build_q_pages(&cmd->wq_addr[0], hw_pages, pa, hw_page_size); | |
2223 | ||
2224 | cmd->type_pgsz_pdn |= (ilog2(hw_page_size / OCRDMA_MIN_Q_PAGE_SIZE) | |
2225 | << OCRDMA_CREATE_QP_REQ_SQ_PAGE_SIZE_SHIFT); | |
2226 | cmd->num_wq_rq_pages |= (hw_pages << | |
2227 | OCRDMA_CREATE_QP_REQ_NUM_WQ_PAGES_SHIFT) & | |
2228 | OCRDMA_CREATE_QP_REQ_NUM_WQ_PAGES_MASK; | |
2229 | cmd->max_sge_send_write |= (max_sges << | |
2230 | OCRDMA_CREATE_QP_REQ_MAX_SGE_SEND_SHIFT) & | |
2231 | OCRDMA_CREATE_QP_REQ_MAX_SGE_SEND_MASK; | |
2232 | cmd->max_sge_send_write |= (max_sges << | |
2233 | OCRDMA_CREATE_QP_REQ_MAX_SGE_WRITE_SHIFT) & | |
2234 | OCRDMA_CREATE_QP_REQ_MAX_SGE_WRITE_MASK; | |
2235 | cmd->max_wqe_rqe |= (ilog2(qp->sq.max_cnt) << | |
2236 | OCRDMA_CREATE_QP_REQ_MAX_WQE_SHIFT) & | |
2237 | OCRDMA_CREATE_QP_REQ_MAX_WQE_MASK; | |
2238 | cmd->wqe_rqe_size |= (dev->attr.wqe_size << | |
2239 | OCRDMA_CREATE_QP_REQ_WQE_SIZE_SHIFT) & | |
2240 | OCRDMA_CREATE_QP_REQ_WQE_SIZE_MASK; | |
2241 | return 0; | |
2242 | } | |
2243 | ||
2244 | static int ocrdma_set_create_qp_rq_cmd(struct ocrdma_create_qp_req *cmd, | |
2245 | struct ib_qp_init_attr *attrs, | |
2246 | struct ocrdma_qp *qp) | |
2247 | { | |
2248 | int status; | |
2249 | u32 len, hw_pages, hw_page_size; | |
2250 | dma_addr_t pa = 0; | |
d2b8f7b1 MA |
2251 | struct ocrdma_pd *pd = qp->pd; |
2252 | struct ocrdma_dev *dev = get_ocrdma_dev(pd->ibpd.device); | |
fe2caefc PP |
2253 | struct pci_dev *pdev = dev->nic_info.pdev; |
2254 | u32 max_rqe_allocated = attrs->cap.max_recv_wr + 1; | |
2255 | ||
2256 | status = ocrdma_build_q_conf(&max_rqe_allocated, dev->attr.rqe_size, | |
2257 | &hw_pages, &hw_page_size); | |
2258 | if (status) { | |
ef99c4c2 NG |
2259 | pr_err("%s() req. max_recv_wr=0x%x\n", __func__, |
2260 | attrs->cap.max_recv_wr + 1); | |
fe2caefc PP |
2261 | return status; |
2262 | } | |
2263 | qp->rq.max_cnt = max_rqe_allocated; | |
2264 | len = (hw_pages * hw_page_size); | |
2265 | ||
2266 | qp->rq.va = dma_alloc_coherent(&pdev->dev, len, &pa, GFP_KERNEL); | |
2267 | if (!qp->rq.va) | |
c94e15c5 | 2268 | return -ENOMEM; |
fe2caefc PP |
2269 | memset(qp->rq.va, 0, len); |
2270 | qp->rq.pa = pa; | |
2271 | qp->rq.len = len; | |
2272 | qp->rq.entry_size = dev->attr.rqe_size; | |
2273 | ||
2274 | ocrdma_build_q_pages(&cmd->rq_addr[0], hw_pages, pa, hw_page_size); | |
2275 | cmd->type_pgsz_pdn |= (ilog2(hw_page_size / OCRDMA_MIN_Q_PAGE_SIZE) << | |
2276 | OCRDMA_CREATE_QP_REQ_RQ_PAGE_SIZE_SHIFT); | |
2277 | cmd->num_wq_rq_pages |= | |
2278 | (hw_pages << OCRDMA_CREATE_QP_REQ_NUM_RQ_PAGES_SHIFT) & | |
2279 | OCRDMA_CREATE_QP_REQ_NUM_RQ_PAGES_MASK; | |
2280 | cmd->max_sge_recv_flags |= (attrs->cap.max_recv_sge << | |
2281 | OCRDMA_CREATE_QP_REQ_MAX_SGE_RECV_SHIFT) & | |
2282 | OCRDMA_CREATE_QP_REQ_MAX_SGE_RECV_MASK; | |
2283 | cmd->max_wqe_rqe |= (ilog2(qp->rq.max_cnt) << | |
2284 | OCRDMA_CREATE_QP_REQ_MAX_RQE_SHIFT) & | |
2285 | OCRDMA_CREATE_QP_REQ_MAX_RQE_MASK; | |
2286 | cmd->wqe_rqe_size |= (dev->attr.rqe_size << | |
2287 | OCRDMA_CREATE_QP_REQ_RQE_SIZE_SHIFT) & | |
2288 | OCRDMA_CREATE_QP_REQ_RQE_SIZE_MASK; | |
2289 | return 0; | |
2290 | } | |
2291 | ||
2292 | static void ocrdma_set_create_qp_dpp_cmd(struct ocrdma_create_qp_req *cmd, | |
2293 | struct ocrdma_pd *pd, | |
2294 | struct ocrdma_qp *qp, | |
2295 | u8 enable_dpp_cq, u16 dpp_cq_id) | |
2296 | { | |
2297 | pd->num_dpp_qp--; | |
2298 | qp->dpp_enabled = true; | |
2299 | cmd->max_sge_recv_flags |= OCRDMA_CREATE_QP_REQ_ENABLE_DPP_MASK; | |
2300 | if (!enable_dpp_cq) | |
2301 | return; | |
2302 | cmd->max_sge_recv_flags |= OCRDMA_CREATE_QP_REQ_ENABLE_DPP_MASK; | |
2303 | cmd->dpp_credits_cqid = dpp_cq_id; | |
2304 | cmd->dpp_credits_cqid |= OCRDMA_CREATE_QP_REQ_DPP_CREDIT_LIMIT << | |
2305 | OCRDMA_CREATE_QP_REQ_DPP_CREDIT_SHIFT; | |
2306 | } | |
2307 | ||
2308 | static int ocrdma_set_create_qp_ird_cmd(struct ocrdma_create_qp_req *cmd, | |
2309 | struct ocrdma_qp *qp) | |
2310 | { | |
d2b8f7b1 MA |
2311 | struct ocrdma_pd *pd = qp->pd; |
2312 | struct ocrdma_dev *dev = get_ocrdma_dev(pd->ibpd.device); | |
fe2caefc PP |
2313 | struct pci_dev *pdev = dev->nic_info.pdev; |
2314 | dma_addr_t pa = 0; | |
2315 | int ird_page_size = dev->attr.ird_page_size; | |
2316 | int ird_q_len = dev->attr.num_ird_pages * ird_page_size; | |
43a6b402 NG |
2317 | struct ocrdma_hdr_wqe *rqe; |
2318 | int i = 0; | |
fe2caefc PP |
2319 | |
2320 | if (dev->attr.ird == 0) | |
2321 | return 0; | |
2322 | ||
2323 | qp->ird_q_va = dma_alloc_coherent(&pdev->dev, ird_q_len, | |
2324 | &pa, GFP_KERNEL); | |
2325 | if (!qp->ird_q_va) | |
2326 | return -ENOMEM; | |
2327 | memset(qp->ird_q_va, 0, ird_q_len); | |
2328 | ocrdma_build_q_pages(&cmd->ird_addr[0], dev->attr.num_ird_pages, | |
2329 | pa, ird_page_size); | |
43a6b402 NG |
2330 | for (; i < ird_q_len / dev->attr.rqe_size; i++) { |
2331 | rqe = (struct ocrdma_hdr_wqe *)(qp->ird_q_va + | |
2332 | (i * dev->attr.rqe_size)); | |
2333 | rqe->cw = 0; | |
2334 | rqe->cw |= 2; | |
2335 | rqe->cw |= (OCRDMA_TYPE_LKEY << OCRDMA_WQE_TYPE_SHIFT); | |
2336 | rqe->cw |= (8 << OCRDMA_WQE_SIZE_SHIFT); | |
2337 | rqe->cw |= (8 << OCRDMA_WQE_NXT_WQE_SIZE_SHIFT); | |
2338 | } | |
fe2caefc PP |
2339 | return 0; |
2340 | } | |
2341 | ||
2342 | static void ocrdma_get_create_qp_rsp(struct ocrdma_create_qp_rsp *rsp, | |
2343 | struct ocrdma_qp *qp, | |
2344 | struct ib_qp_init_attr *attrs, | |
2345 | u16 *dpp_offset, u16 *dpp_credit_lmt) | |
2346 | { | |
2347 | u32 max_wqe_allocated, max_rqe_allocated; | |
2348 | qp->id = rsp->qp_id & OCRDMA_CREATE_QP_RSP_QP_ID_MASK; | |
2349 | qp->rq.dbid = rsp->sq_rq_id & OCRDMA_CREATE_QP_RSP_RQ_ID_MASK; | |
2350 | qp->sq.dbid = rsp->sq_rq_id >> OCRDMA_CREATE_QP_RSP_SQ_ID_SHIFT; | |
2351 | qp->max_ird = rsp->max_ord_ird & OCRDMA_CREATE_QP_RSP_MAX_IRD_MASK; | |
2352 | qp->max_ord = (rsp->max_ord_ird >> OCRDMA_CREATE_QP_RSP_MAX_ORD_SHIFT); | |
2353 | qp->dpp_enabled = false; | |
2354 | if (rsp->dpp_response & OCRDMA_CREATE_QP_RSP_DPP_ENABLED_MASK) { | |
2355 | qp->dpp_enabled = true; | |
2356 | *dpp_credit_lmt = (rsp->dpp_response & | |
2357 | OCRDMA_CREATE_QP_RSP_DPP_CREDITS_MASK) >> | |
2358 | OCRDMA_CREATE_QP_RSP_DPP_CREDITS_SHIFT; | |
2359 | *dpp_offset = (rsp->dpp_response & | |
2360 | OCRDMA_CREATE_QP_RSP_DPP_PAGE_OFFSET_MASK) >> | |
2361 | OCRDMA_CREATE_QP_RSP_DPP_PAGE_OFFSET_SHIFT; | |
2362 | } | |
2363 | max_wqe_allocated = | |
2364 | rsp->max_wqe_rqe >> OCRDMA_CREATE_QP_RSP_MAX_WQE_SHIFT; | |
2365 | max_wqe_allocated = 1 << max_wqe_allocated; | |
2366 | max_rqe_allocated = 1 << ((u16)rsp->max_wqe_rqe); | |
2367 | ||
fe2caefc PP |
2368 | qp->sq.max_cnt = max_wqe_allocated; |
2369 | qp->sq.max_wqe_idx = max_wqe_allocated - 1; | |
2370 | ||
2371 | if (!attrs->srq) { | |
2372 | qp->rq.max_cnt = max_rqe_allocated; | |
2373 | qp->rq.max_wqe_idx = max_rqe_allocated - 1; | |
fe2caefc PP |
2374 | } |
2375 | } | |
2376 | ||
2377 | int ocrdma_mbx_create_qp(struct ocrdma_qp *qp, struct ib_qp_init_attr *attrs, | |
2378 | u8 enable_dpp_cq, u16 dpp_cq_id, u16 *dpp_offset, | |
2379 | u16 *dpp_credit_lmt) | |
2380 | { | |
2381 | int status = -ENOMEM; | |
2382 | u32 flags = 0; | |
fe2caefc | 2383 | struct ocrdma_pd *pd = qp->pd; |
d2b8f7b1 | 2384 | struct ocrdma_dev *dev = get_ocrdma_dev(pd->ibpd.device); |
fe2caefc PP |
2385 | struct pci_dev *pdev = dev->nic_info.pdev; |
2386 | struct ocrdma_cq *cq; | |
2387 | struct ocrdma_create_qp_req *cmd; | |
2388 | struct ocrdma_create_qp_rsp *rsp; | |
2389 | int qptype; | |
2390 | ||
2391 | switch (attrs->qp_type) { | |
2392 | case IB_QPT_GSI: | |
2393 | qptype = OCRDMA_QPT_GSI; | |
2394 | break; | |
2395 | case IB_QPT_RC: | |
2396 | qptype = OCRDMA_QPT_RC; | |
2397 | break; | |
2398 | case IB_QPT_UD: | |
2399 | qptype = OCRDMA_QPT_UD; | |
2400 | break; | |
2401 | default: | |
2402 | return -EINVAL; | |
2b50176d | 2403 | } |
fe2caefc PP |
2404 | |
2405 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_CREATE_QP, sizeof(*cmd)); | |
2406 | if (!cmd) | |
2407 | return status; | |
2408 | cmd->type_pgsz_pdn |= (qptype << OCRDMA_CREATE_QP_REQ_QPT_SHIFT) & | |
2409 | OCRDMA_CREATE_QP_REQ_QPT_MASK; | |
2410 | status = ocrdma_set_create_qp_sq_cmd(cmd, attrs, qp); | |
2411 | if (status) | |
2412 | goto sq_err; | |
2413 | ||
2414 | if (attrs->srq) { | |
2415 | struct ocrdma_srq *srq = get_ocrdma_srq(attrs->srq); | |
2416 | cmd->max_sge_recv_flags |= OCRDMA_CREATE_QP_REQ_USE_SRQ_MASK; | |
2417 | cmd->rq_addr[0].lo = srq->id; | |
2418 | qp->srq = srq; | |
2419 | } else { | |
2420 | status = ocrdma_set_create_qp_rq_cmd(cmd, attrs, qp); | |
2421 | if (status) | |
2422 | goto rq_err; | |
2423 | } | |
2424 | ||
2425 | status = ocrdma_set_create_qp_ird_cmd(cmd, qp); | |
2426 | if (status) | |
2427 | goto mbx_err; | |
2428 | ||
2429 | cmd->type_pgsz_pdn |= (pd->id << OCRDMA_CREATE_QP_REQ_PD_ID_SHIFT) & | |
2430 | OCRDMA_CREATE_QP_REQ_PD_ID_MASK; | |
2431 | ||
2432 | flags = ocrdma_set_create_qp_mbx_access_flags(qp); | |
2433 | ||
2434 | cmd->max_sge_recv_flags |= flags; | |
2435 | cmd->max_ord_ird |= (dev->attr.max_ord_per_qp << | |
2436 | OCRDMA_CREATE_QP_REQ_MAX_ORD_SHIFT) & | |
2437 | OCRDMA_CREATE_QP_REQ_MAX_ORD_MASK; | |
2438 | cmd->max_ord_ird |= (dev->attr.max_ird_per_qp << | |
2439 | OCRDMA_CREATE_QP_REQ_MAX_IRD_SHIFT) & | |
2440 | OCRDMA_CREATE_QP_REQ_MAX_IRD_MASK; | |
2441 | cq = get_ocrdma_cq(attrs->send_cq); | |
2442 | cmd->wq_rq_cqid |= (cq->id << OCRDMA_CREATE_QP_REQ_WQ_CQID_SHIFT) & | |
2443 | OCRDMA_CREATE_QP_REQ_WQ_CQID_MASK; | |
2444 | qp->sq_cq = cq; | |
2445 | cq = get_ocrdma_cq(attrs->recv_cq); | |
2446 | cmd->wq_rq_cqid |= (cq->id << OCRDMA_CREATE_QP_REQ_RQ_CQID_SHIFT) & | |
2447 | OCRDMA_CREATE_QP_REQ_RQ_CQID_MASK; | |
2448 | qp->rq_cq = cq; | |
2449 | ||
f50f31e4 DS |
2450 | if (pd->dpp_enabled && attrs->cap.max_inline_data && pd->num_dpp_qp && |
2451 | (attrs->cap.max_inline_data <= dev->attr.max_inline_data)) { | |
fe2caefc PP |
2452 | ocrdma_set_create_qp_dpp_cmd(cmd, pd, qp, enable_dpp_cq, |
2453 | dpp_cq_id); | |
f99b1649 | 2454 | } |
fe2caefc PP |
2455 | |
2456 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
2457 | if (status) | |
2458 | goto mbx_err; | |
2459 | rsp = (struct ocrdma_create_qp_rsp *)cmd; | |
2460 | ocrdma_get_create_qp_rsp(rsp, qp, attrs, dpp_offset, dpp_credit_lmt); | |
2461 | qp->state = OCRDMA_QPS_RST; | |
2462 | kfree(cmd); | |
2463 | return 0; | |
2464 | mbx_err: | |
2465 | if (qp->rq.va) | |
2466 | dma_free_coherent(&pdev->dev, qp->rq.len, qp->rq.va, qp->rq.pa); | |
2467 | rq_err: | |
ef99c4c2 | 2468 | pr_err("%s(%d) rq_err\n", __func__, dev->id); |
fe2caefc PP |
2469 | dma_free_coherent(&pdev->dev, qp->sq.len, qp->sq.va, qp->sq.pa); |
2470 | sq_err: | |
ef99c4c2 | 2471 | pr_err("%s(%d) sq_err\n", __func__, dev->id); |
fe2caefc PP |
2472 | kfree(cmd); |
2473 | return status; | |
2474 | } | |
2475 | ||
2476 | int ocrdma_mbx_query_qp(struct ocrdma_dev *dev, struct ocrdma_qp *qp, | |
2477 | struct ocrdma_qp_params *param) | |
2478 | { | |
2479 | int status = -ENOMEM; | |
2480 | struct ocrdma_query_qp *cmd; | |
2481 | struct ocrdma_query_qp_rsp *rsp; | |
2482 | ||
038ab8b7 | 2483 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_QUERY_QP, sizeof(*rsp)); |
fe2caefc PP |
2484 | if (!cmd) |
2485 | return status; | |
2486 | cmd->qp_id = qp->id; | |
2487 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
2488 | if (status) | |
2489 | goto mbx_err; | |
2490 | rsp = (struct ocrdma_query_qp_rsp *)cmd; | |
2491 | memcpy(param, &rsp->params, sizeof(struct ocrdma_qp_params)); | |
2492 | mbx_err: | |
2493 | kfree(cmd); | |
2494 | return status; | |
2495 | } | |
2496 | ||
f99b1649 | 2497 | static int ocrdma_set_av_params(struct ocrdma_qp *qp, |
fe2caefc | 2498 | struct ocrdma_modify_qp *cmd, |
bf67472c SX |
2499 | struct ib_qp_attr *attrs, |
2500 | int attr_mask) | |
fe2caefc | 2501 | { |
f99b1649 | 2502 | int status; |
fe2caefc | 2503 | struct ib_ah_attr *ah_attr = &attrs->ah_attr; |
9c58726b | 2504 | union ib_gid sgid, zgid; |
dbf727de | 2505 | struct ib_gid_attr sgid_attr; |
6f5deab0 | 2506 | u32 vlan_id = 0xFFFF; |
bcf117e2 DS |
2507 | u8 mac_addr[6], hdr_type; |
2508 | union { | |
2509 | struct sockaddr _sockaddr; | |
2510 | struct sockaddr_in _sockaddr_in; | |
2511 | struct sockaddr_in6 _sockaddr_in6; | |
2512 | } sgid_addr, dgid_addr; | |
d2b8f7b1 | 2513 | struct ocrdma_dev *dev = get_ocrdma_dev(qp->ibqp.device); |
9c58726b | 2514 | |
fe2caefc | 2515 | if ((ah_attr->ah_flags & IB_AH_GRH) == 0) |
f99b1649 | 2516 | return -EINVAL; |
d2b8f7b1 MA |
2517 | if (atomic_cmpxchg(&dev->update_sl, 1, 0)) |
2518 | ocrdma_init_service_level(dev); | |
fe2caefc PP |
2519 | cmd->params.tclass_sq_psn |= |
2520 | (ah_attr->grh.traffic_class << OCRDMA_QP_PARAMS_TCLASS_SHIFT); | |
2521 | cmd->params.rnt_rc_sl_fl |= | |
2522 | (ah_attr->grh.flow_label & OCRDMA_QP_PARAMS_FLOW_LABEL_MASK); | |
2b51a9b9 | 2523 | cmd->params.rnt_rc_sl_fl |= (ah_attr->sl << OCRDMA_QP_PARAMS_SL_SHIFT); |
fe2caefc PP |
2524 | cmd->params.hop_lmt_rq_psn |= |
2525 | (ah_attr->grh.hop_limit << OCRDMA_QP_PARAMS_HOP_LMT_SHIFT); | |
2526 | cmd->flags |= OCRDMA_QP_PARA_FLOW_LBL_VALID; | |
bcf117e2 DS |
2527 | |
2528 | /* GIDs */ | |
fe2caefc PP |
2529 | memcpy(&cmd->params.dgid[0], &ah_attr->grh.dgid.raw[0], |
2530 | sizeof(cmd->params.dgid)); | |
dbf727de MB |
2531 | |
2532 | status = ib_get_cached_gid(&dev->ibdev, 1, ah_attr->grh.sgid_index, | |
2533 | &sgid, &sgid_attr); | |
2534 | if (!status && sgid_attr.ndev) { | |
2535 | vlan_id = rdma_vlan_dev_vlan_id(sgid_attr.ndev); | |
2536 | memcpy(mac_addr, sgid_attr.ndev->dev_addr, ETH_ALEN); | |
2537 | dev_put(sgid_attr.ndev); | |
2538 | } | |
9c58726b NG |
2539 | |
2540 | memset(&zgid, 0, sizeof(zgid)); | |
2541 | if (!memcmp(&sgid, &zgid, sizeof(zgid))) | |
2542 | return -EINVAL; | |
2543 | ||
fe2caefc PP |
2544 | qp->sgid_idx = ah_attr->grh.sgid_index; |
2545 | memcpy(&cmd->params.sgid[0], &sgid.raw[0], sizeof(cmd->params.sgid)); | |
d2b8f7b1 | 2546 | status = ocrdma_resolve_dmac(dev, ah_attr, &mac_addr[0]); |
a601dc77 DS |
2547 | if (status) |
2548 | return status; | |
fe2caefc PP |
2549 | cmd->params.dmac_b0_to_b3 = mac_addr[0] | (mac_addr[1] << 8) | |
2550 | (mac_addr[2] << 16) | (mac_addr[3] << 24); | |
bcf117e2 DS |
2551 | |
2552 | hdr_type = ib_gid_to_network_type(sgid_attr.gid_type, &sgid); | |
2553 | if (hdr_type == RDMA_NETWORK_IPV4) { | |
2554 | rdma_gid2ip(&sgid_addr._sockaddr, &sgid); | |
2555 | rdma_gid2ip(&dgid_addr._sockaddr, &ah_attr->grh.dgid); | |
2556 | memcpy(&cmd->params.dgid[0], | |
2557 | &dgid_addr._sockaddr_in.sin_addr.s_addr, 4); | |
2558 | memcpy(&cmd->params.sgid[0], | |
2559 | &sgid_addr._sockaddr_in.sin_addr.s_addr, 4); | |
2560 | } | |
fe2caefc PP |
2561 | /* convert them to LE format. */ |
2562 | ocrdma_cpu_to_le32(&cmd->params.dgid[0], sizeof(cmd->params.dgid)); | |
2563 | ocrdma_cpu_to_le32(&cmd->params.sgid[0], sizeof(cmd->params.sgid)); | |
2564 | cmd->params.vlan_dmac_b4_to_b5 = mac_addr[4] | (mac_addr[5] << 8); | |
6f5deab0 | 2565 | |
c6002d56 DS |
2566 | if (vlan_id == 0xFFFF) |
2567 | vlan_id = 0; | |
2568 | if (vlan_id || dev->pfc_state) { | |
2569 | if (!vlan_id) { | |
dbf727de MB |
2570 | pr_err("ocrdma%d:Using VLAN with PFC is recommended\n", |
2571 | dev->id); | |
2572 | pr_err("ocrdma%d:Using VLAN 0 for this connection\n", | |
2573 | dev->id); | |
2574 | } | |
fe2caefc PP |
2575 | cmd->params.vlan_dmac_b4_to_b5 |= |
2576 | vlan_id << OCRDMA_QP_PARAMS_VLAN_SHIFT; | |
2577 | cmd->flags |= OCRDMA_QP_PARA_VLAN_EN_VALID; | |
31dbdd9a | 2578 | cmd->params.rnt_rc_sl_fl |= |
d2b8f7b1 | 2579 | (dev->sl & 0x07) << OCRDMA_QP_PARAMS_SL_SHIFT; |
fe2caefc | 2580 | } |
bcf117e2 DS |
2581 | cmd->params.max_sge_recv_flags |= ((hdr_type << |
2582 | OCRDMA_QP_PARAMS_FLAGS_L3_TYPE_SHIFT) & | |
2583 | OCRDMA_QP_PARAMS_FLAGS_L3_TYPE_MASK); | |
f99b1649 | 2584 | return 0; |
fe2caefc PP |
2585 | } |
2586 | ||
2587 | static int ocrdma_set_qp_params(struct ocrdma_qp *qp, | |
2588 | struct ocrdma_modify_qp *cmd, | |
bc1b04ab | 2589 | struct ib_qp_attr *attrs, int attr_mask) |
fe2caefc PP |
2590 | { |
2591 | int status = 0; | |
d2b8f7b1 | 2592 | struct ocrdma_dev *dev = get_ocrdma_dev(qp->ibqp.device); |
fe2caefc PP |
2593 | |
2594 | if (attr_mask & IB_QP_PKEY_INDEX) { | |
2595 | cmd->params.path_mtu_pkey_indx |= (attrs->pkey_index & | |
2596 | OCRDMA_QP_PARAMS_PKEY_INDEX_MASK); | |
2597 | cmd->flags |= OCRDMA_QP_PARA_PKEY_VALID; | |
2598 | } | |
2599 | if (attr_mask & IB_QP_QKEY) { | |
2600 | qp->qkey = attrs->qkey; | |
2601 | cmd->params.qkey = attrs->qkey; | |
2602 | cmd->flags |= OCRDMA_QP_PARA_QKEY_VALID; | |
2603 | } | |
f99b1649 | 2604 | if (attr_mask & IB_QP_AV) { |
bf67472c | 2605 | status = ocrdma_set_av_params(qp, cmd, attrs, attr_mask); |
f99b1649 NG |
2606 | if (status) |
2607 | return status; | |
2608 | } else if (qp->qp_type == IB_QPT_GSI || qp->qp_type == IB_QPT_UD) { | |
fe2caefc | 2609 | /* set the default mac address for UD, GSI QPs */ |
d2b8f7b1 MA |
2610 | cmd->params.dmac_b0_to_b3 = dev->nic_info.mac_addr[0] | |
2611 | (dev->nic_info.mac_addr[1] << 8) | | |
2612 | (dev->nic_info.mac_addr[2] << 16) | | |
2613 | (dev->nic_info.mac_addr[3] << 24); | |
2614 | cmd->params.vlan_dmac_b4_to_b5 = dev->nic_info.mac_addr[4] | | |
2615 | (dev->nic_info.mac_addr[5] << 8); | |
fe2caefc PP |
2616 | } |
2617 | if ((attr_mask & IB_QP_EN_SQD_ASYNC_NOTIFY) && | |
2618 | attrs->en_sqd_async_notify) { | |
2619 | cmd->params.max_sge_recv_flags |= | |
2620 | OCRDMA_QP_PARAMS_FLAGS_SQD_ASYNC; | |
2621 | cmd->flags |= OCRDMA_QP_PARA_DST_QPN_VALID; | |
2622 | } | |
2623 | if (attr_mask & IB_QP_DEST_QPN) { | |
2624 | cmd->params.ack_to_rnr_rtc_dest_qpn |= (attrs->dest_qp_num & | |
2625 | OCRDMA_QP_PARAMS_DEST_QPN_MASK); | |
2626 | cmd->flags |= OCRDMA_QP_PARA_DST_QPN_VALID; | |
2627 | } | |
2628 | if (attr_mask & IB_QP_PATH_MTU) { | |
72d8a013 | 2629 | if (attrs->path_mtu < IB_MTU_512 || |
d3cb6c0b | 2630 | attrs->path_mtu > IB_MTU_4096) { |
72d8a013 NI |
2631 | pr_err("ocrdma%d: IB MTU %d is not supported\n", |
2632 | dev->id, ib_mtu_enum_to_int(attrs->path_mtu)); | |
fe2caefc PP |
2633 | status = -EINVAL; |
2634 | goto pmtu_err; | |
2635 | } | |
2636 | cmd->params.path_mtu_pkey_indx |= | |
2637 | (ib_mtu_enum_to_int(attrs->path_mtu) << | |
2638 | OCRDMA_QP_PARAMS_PATH_MTU_SHIFT) & | |
2639 | OCRDMA_QP_PARAMS_PATH_MTU_MASK; | |
2640 | cmd->flags |= OCRDMA_QP_PARA_PMTU_VALID; | |
2641 | } | |
2642 | if (attr_mask & IB_QP_TIMEOUT) { | |
2643 | cmd->params.ack_to_rnr_rtc_dest_qpn |= attrs->timeout << | |
2644 | OCRDMA_QP_PARAMS_ACK_TIMEOUT_SHIFT; | |
2645 | cmd->flags |= OCRDMA_QP_PARA_ACK_TO_VALID; | |
2646 | } | |
2647 | if (attr_mask & IB_QP_RETRY_CNT) { | |
2648 | cmd->params.rnt_rc_sl_fl |= (attrs->retry_cnt << | |
2649 | OCRDMA_QP_PARAMS_RETRY_CNT_SHIFT) & | |
2650 | OCRDMA_QP_PARAMS_RETRY_CNT_MASK; | |
2651 | cmd->flags |= OCRDMA_QP_PARA_RETRY_CNT_VALID; | |
2652 | } | |
2653 | if (attr_mask & IB_QP_MIN_RNR_TIMER) { | |
2654 | cmd->params.rnt_rc_sl_fl |= (attrs->min_rnr_timer << | |
2655 | OCRDMA_QP_PARAMS_RNR_NAK_TIMER_SHIFT) & | |
2656 | OCRDMA_QP_PARAMS_RNR_NAK_TIMER_MASK; | |
2657 | cmd->flags |= OCRDMA_QP_PARA_RNT_VALID; | |
2658 | } | |
2659 | if (attr_mask & IB_QP_RNR_RETRY) { | |
2660 | cmd->params.ack_to_rnr_rtc_dest_qpn |= (attrs->rnr_retry << | |
2661 | OCRDMA_QP_PARAMS_RNR_RETRY_CNT_SHIFT) | |
2662 | & OCRDMA_QP_PARAMS_RNR_RETRY_CNT_MASK; | |
2663 | cmd->flags |= OCRDMA_QP_PARA_RRC_VALID; | |
2664 | } | |
2665 | if (attr_mask & IB_QP_SQ_PSN) { | |
2666 | cmd->params.tclass_sq_psn |= (attrs->sq_psn & 0x00ffffff); | |
2667 | cmd->flags |= OCRDMA_QP_PARA_SQPSN_VALID; | |
2668 | } | |
2669 | if (attr_mask & IB_QP_RQ_PSN) { | |
2670 | cmd->params.hop_lmt_rq_psn |= (attrs->rq_psn & 0x00ffffff); | |
2671 | cmd->flags |= OCRDMA_QP_PARA_RQPSN_VALID; | |
2672 | } | |
2673 | if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC) { | |
d2b8f7b1 | 2674 | if (attrs->max_rd_atomic > dev->attr.max_ord_per_qp) { |
fe2caefc PP |
2675 | status = -EINVAL; |
2676 | goto pmtu_err; | |
2677 | } | |
2678 | qp->max_ord = attrs->max_rd_atomic; | |
2679 | cmd->flags |= OCRDMA_QP_PARA_MAX_ORD_VALID; | |
2680 | } | |
2681 | if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) { | |
d2b8f7b1 | 2682 | if (attrs->max_dest_rd_atomic > dev->attr.max_ird_per_qp) { |
fe2caefc PP |
2683 | status = -EINVAL; |
2684 | goto pmtu_err; | |
2685 | } | |
2686 | qp->max_ird = attrs->max_dest_rd_atomic; | |
2687 | cmd->flags |= OCRDMA_QP_PARA_MAX_IRD_VALID; | |
2688 | } | |
2689 | cmd->params.max_ord_ird = (qp->max_ord << | |
2690 | OCRDMA_QP_PARAMS_MAX_ORD_SHIFT) | | |
2691 | (qp->max_ird & OCRDMA_QP_PARAMS_MAX_IRD_MASK); | |
2692 | pmtu_err: | |
2693 | return status; | |
2694 | } | |
2695 | ||
2696 | int ocrdma_mbx_modify_qp(struct ocrdma_dev *dev, struct ocrdma_qp *qp, | |
bc1b04ab | 2697 | struct ib_qp_attr *attrs, int attr_mask) |
fe2caefc PP |
2698 | { |
2699 | int status = -ENOMEM; | |
2700 | struct ocrdma_modify_qp *cmd; | |
fe2caefc PP |
2701 | |
2702 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_MODIFY_QP, sizeof(*cmd)); | |
2703 | if (!cmd) | |
2704 | return status; | |
2705 | ||
2706 | cmd->params.id = qp->id; | |
2707 | cmd->flags = 0; | |
2708 | if (attr_mask & IB_QP_STATE) { | |
2709 | cmd->params.max_sge_recv_flags |= | |
2710 | (get_ocrdma_qp_state(attrs->qp_state) << | |
2711 | OCRDMA_QP_PARAMS_STATE_SHIFT) & | |
2712 | OCRDMA_QP_PARAMS_STATE_MASK; | |
2713 | cmd->flags |= OCRDMA_QP_PARA_QPS_VALID; | |
f99b1649 | 2714 | } else { |
fe2caefc PP |
2715 | cmd->params.max_sge_recv_flags |= |
2716 | (qp->state << OCRDMA_QP_PARAMS_STATE_SHIFT) & | |
2717 | OCRDMA_QP_PARAMS_STATE_MASK; | |
f99b1649 NG |
2718 | } |
2719 | ||
bc1b04ab | 2720 | status = ocrdma_set_qp_params(qp, cmd, attrs, attr_mask); |
fe2caefc PP |
2721 | if (status) |
2722 | goto mbx_err; | |
2723 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
2724 | if (status) | |
2725 | goto mbx_err; | |
c592c423 | 2726 | |
fe2caefc PP |
2727 | mbx_err: |
2728 | kfree(cmd); | |
2729 | return status; | |
2730 | } | |
2731 | ||
2732 | int ocrdma_mbx_destroy_qp(struct ocrdma_dev *dev, struct ocrdma_qp *qp) | |
2733 | { | |
2734 | int status = -ENOMEM; | |
2735 | struct ocrdma_destroy_qp *cmd; | |
fe2caefc PP |
2736 | struct pci_dev *pdev = dev->nic_info.pdev; |
2737 | ||
2738 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_DELETE_QP, sizeof(*cmd)); | |
2739 | if (!cmd) | |
2740 | return status; | |
2741 | cmd->qp_id = qp->id; | |
2742 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
2743 | if (status) | |
2744 | goto mbx_err; | |
c592c423 | 2745 | |
fe2caefc PP |
2746 | mbx_err: |
2747 | kfree(cmd); | |
2748 | if (qp->sq.va) | |
2749 | dma_free_coherent(&pdev->dev, qp->sq.len, qp->sq.va, qp->sq.pa); | |
2750 | if (!qp->srq && qp->rq.va) | |
2751 | dma_free_coherent(&pdev->dev, qp->rq.len, qp->rq.va, qp->rq.pa); | |
2752 | if (qp->dpp_enabled) | |
2753 | qp->pd->num_dpp_qp++; | |
2754 | return status; | |
2755 | } | |
2756 | ||
1afc0454 | 2757 | int ocrdma_mbx_create_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq, |
fe2caefc PP |
2758 | struct ib_srq_init_attr *srq_attr, |
2759 | struct ocrdma_pd *pd) | |
2760 | { | |
2761 | int status = -ENOMEM; | |
2762 | int hw_pages, hw_page_size; | |
2763 | int len; | |
2764 | struct ocrdma_create_srq_rsp *rsp; | |
2765 | struct ocrdma_create_srq *cmd; | |
2766 | dma_addr_t pa; | |
fe2caefc PP |
2767 | struct pci_dev *pdev = dev->nic_info.pdev; |
2768 | u32 max_rqe_allocated; | |
2769 | ||
2770 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_CREATE_SRQ, sizeof(*cmd)); | |
2771 | if (!cmd) | |
2772 | return status; | |
2773 | ||
2774 | cmd->pgsz_pdid = pd->id & OCRDMA_CREATE_SRQ_PD_ID_MASK; | |
2775 | max_rqe_allocated = srq_attr->attr.max_wr + 1; | |
2776 | status = ocrdma_build_q_conf(&max_rqe_allocated, | |
2777 | dev->attr.rqe_size, | |
2778 | &hw_pages, &hw_page_size); | |
2779 | if (status) { | |
ef99c4c2 NG |
2780 | pr_err("%s() req. max_wr=0x%x\n", __func__, |
2781 | srq_attr->attr.max_wr); | |
fe2caefc PP |
2782 | status = -EINVAL; |
2783 | goto ret; | |
2784 | } | |
2785 | len = hw_pages * hw_page_size; | |
2786 | srq->rq.va = dma_alloc_coherent(&pdev->dev, len, &pa, GFP_KERNEL); | |
2787 | if (!srq->rq.va) { | |
2788 | status = -ENOMEM; | |
2789 | goto ret; | |
2790 | } | |
2791 | ocrdma_build_q_pages(&cmd->rq_addr[0], hw_pages, pa, hw_page_size); | |
2792 | ||
2793 | srq->rq.entry_size = dev->attr.rqe_size; | |
2794 | srq->rq.pa = pa; | |
2795 | srq->rq.len = len; | |
2796 | srq->rq.max_cnt = max_rqe_allocated; | |
2797 | ||
2798 | cmd->max_sge_rqe = ilog2(max_rqe_allocated); | |
2799 | cmd->max_sge_rqe |= srq_attr->attr.max_sge << | |
2800 | OCRDMA_CREATE_SRQ_MAX_SGE_RECV_SHIFT; | |
2801 | ||
2802 | cmd->pgsz_pdid |= (ilog2(hw_page_size / OCRDMA_MIN_Q_PAGE_SIZE) | |
2803 | << OCRDMA_CREATE_SRQ_PG_SZ_SHIFT); | |
2804 | cmd->pages_rqe_sz |= (dev->attr.rqe_size | |
2805 | << OCRDMA_CREATE_SRQ_RQE_SIZE_SHIFT) | |
2806 | & OCRDMA_CREATE_SRQ_RQE_SIZE_MASK; | |
2807 | cmd->pages_rqe_sz |= hw_pages << OCRDMA_CREATE_SRQ_NUM_RQ_PAGES_SHIFT; | |
2808 | ||
2809 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
2810 | if (status) | |
2811 | goto mbx_err; | |
2812 | rsp = (struct ocrdma_create_srq_rsp *)cmd; | |
2813 | srq->id = rsp->id; | |
2814 | srq->rq.dbid = rsp->id; | |
2815 | max_rqe_allocated = ((rsp->max_sge_rqe_allocated & | |
2816 | OCRDMA_CREATE_SRQ_RSP_MAX_RQE_ALLOCATED_MASK) >> | |
2817 | OCRDMA_CREATE_SRQ_RSP_MAX_RQE_ALLOCATED_SHIFT); | |
2818 | max_rqe_allocated = (1 << max_rqe_allocated); | |
2819 | srq->rq.max_cnt = max_rqe_allocated; | |
2820 | srq->rq.max_wqe_idx = max_rqe_allocated - 1; | |
2821 | srq->rq.max_sges = (rsp->max_sge_rqe_allocated & | |
2822 | OCRDMA_CREATE_SRQ_RSP_MAX_SGE_RECV_ALLOCATED_MASK) >> | |
2823 | OCRDMA_CREATE_SRQ_RSP_MAX_SGE_RECV_ALLOCATED_SHIFT; | |
2824 | goto ret; | |
2825 | mbx_err: | |
2826 | dma_free_coherent(&pdev->dev, srq->rq.len, srq->rq.va, pa); | |
2827 | ret: | |
2828 | kfree(cmd); | |
2829 | return status; | |
2830 | } | |
2831 | ||
2832 | int ocrdma_mbx_modify_srq(struct ocrdma_srq *srq, struct ib_srq_attr *srq_attr) | |
2833 | { | |
2834 | int status = -ENOMEM; | |
2835 | struct ocrdma_modify_srq *cmd; | |
f11220ee NG |
2836 | struct ocrdma_pd *pd = srq->pd; |
2837 | struct ocrdma_dev *dev = get_ocrdma_dev(pd->ibpd.device); | |
1afc0454 | 2838 | |
d7e19c0a | 2839 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_MODIFY_SRQ, sizeof(*cmd)); |
fe2caefc PP |
2840 | if (!cmd) |
2841 | return status; | |
2842 | cmd->id = srq->id; | |
2843 | cmd->limit_max_rqe |= srq_attr->srq_limit << | |
2844 | OCRDMA_MODIFY_SRQ_LIMIT_SHIFT; | |
1afc0454 | 2845 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); |
fe2caefc PP |
2846 | kfree(cmd); |
2847 | return status; | |
2848 | } | |
2849 | ||
2850 | int ocrdma_mbx_query_srq(struct ocrdma_srq *srq, struct ib_srq_attr *srq_attr) | |
2851 | { | |
2852 | int status = -ENOMEM; | |
2853 | struct ocrdma_query_srq *cmd; | |
1afc0454 NG |
2854 | struct ocrdma_dev *dev = get_ocrdma_dev(srq->ibsrq.device); |
2855 | ||
d7e19c0a | 2856 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_QUERY_SRQ, sizeof(*cmd)); |
fe2caefc PP |
2857 | if (!cmd) |
2858 | return status; | |
2859 | cmd->id = srq->rq.dbid; | |
1afc0454 | 2860 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); |
fe2caefc PP |
2861 | if (status == 0) { |
2862 | struct ocrdma_query_srq_rsp *rsp = | |
2863 | (struct ocrdma_query_srq_rsp *)cmd; | |
2864 | srq_attr->max_sge = | |
2865 | rsp->srq_lmt_max_sge & | |
2866 | OCRDMA_QUERY_SRQ_RSP_MAX_SGE_RECV_MASK; | |
2867 | srq_attr->max_wr = | |
2868 | rsp->max_rqe_pdid >> OCRDMA_QUERY_SRQ_RSP_MAX_RQE_SHIFT; | |
2869 | srq_attr->srq_limit = rsp->srq_lmt_max_sge >> | |
2870 | OCRDMA_QUERY_SRQ_RSP_SRQ_LIMIT_SHIFT; | |
2871 | } | |
2872 | kfree(cmd); | |
2873 | return status; | |
2874 | } | |
2875 | ||
2876 | int ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq) | |
2877 | { | |
2878 | int status = -ENOMEM; | |
2879 | struct ocrdma_destroy_srq *cmd; | |
2880 | struct pci_dev *pdev = dev->nic_info.pdev; | |
2881 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_DELETE_SRQ, sizeof(*cmd)); | |
2882 | if (!cmd) | |
2883 | return status; | |
2884 | cmd->id = srq->id; | |
1afc0454 | 2885 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); |
fe2caefc PP |
2886 | if (srq->rq.va) |
2887 | dma_free_coherent(&pdev->dev, srq->rq.len, | |
2888 | srq->rq.va, srq->rq.pa); | |
2889 | kfree(cmd); | |
2890 | return status; | |
2891 | } | |
2892 | ||
31dbdd9a SX |
2893 | static int ocrdma_mbx_get_dcbx_config(struct ocrdma_dev *dev, u32 ptype, |
2894 | struct ocrdma_dcbx_cfg *dcbxcfg) | |
2895 | { | |
2896 | int status = 0; | |
2897 | dma_addr_t pa; | |
2898 | struct ocrdma_mqe cmd; | |
2899 | ||
2900 | struct ocrdma_get_dcbx_cfg_req *req = NULL; | |
2901 | struct ocrdma_get_dcbx_cfg_rsp *rsp = NULL; | |
2902 | struct pci_dev *pdev = dev->nic_info.pdev; | |
2903 | struct ocrdma_mqe_sge *mqe_sge = cmd.u.nonemb_req.sge; | |
2904 | ||
2905 | memset(&cmd, 0, sizeof(struct ocrdma_mqe)); | |
2906 | cmd.hdr.pyld_len = max_t (u32, sizeof(struct ocrdma_get_dcbx_cfg_rsp), | |
2907 | sizeof(struct ocrdma_get_dcbx_cfg_req)); | |
2908 | req = dma_alloc_coherent(&pdev->dev, cmd.hdr.pyld_len, &pa, GFP_KERNEL); | |
2909 | if (!req) { | |
2910 | status = -ENOMEM; | |
2911 | goto mem_err; | |
2912 | } | |
2913 | ||
2914 | cmd.hdr.spcl_sge_cnt_emb |= (1 << OCRDMA_MQE_HDR_SGE_CNT_SHIFT) & | |
2915 | OCRDMA_MQE_HDR_SGE_CNT_MASK; | |
2916 | mqe_sge->pa_lo = (u32) (pa & 0xFFFFFFFFUL); | |
2917 | mqe_sge->pa_hi = (u32) upper_32_bits(pa); | |
2918 | mqe_sge->len = cmd.hdr.pyld_len; | |
2919 | ||
2920 | memset(req, 0, sizeof(struct ocrdma_get_dcbx_cfg_req)); | |
2921 | ocrdma_init_mch(&req->hdr, OCRDMA_CMD_GET_DCBX_CONFIG, | |
2922 | OCRDMA_SUBSYS_DCBX, cmd.hdr.pyld_len); | |
2923 | req->param_type = ptype; | |
2924 | ||
2925 | status = ocrdma_mbx_cmd(dev, &cmd); | |
2926 | if (status) | |
2927 | goto mbx_err; | |
2928 | ||
2929 | rsp = (struct ocrdma_get_dcbx_cfg_rsp *)req; | |
2930 | ocrdma_le32_to_cpu(rsp, sizeof(struct ocrdma_get_dcbx_cfg_rsp)); | |
2931 | memcpy(dcbxcfg, &rsp->cfg, sizeof(struct ocrdma_dcbx_cfg)); | |
2932 | ||
2933 | mbx_err: | |
2934 | dma_free_coherent(&pdev->dev, cmd.hdr.pyld_len, req, pa); | |
2935 | mem_err: | |
2936 | return status; | |
2937 | } | |
2938 | ||
2939 | #define OCRDMA_MAX_SERVICE_LEVEL_INDEX 0x08 | |
2940 | #define OCRDMA_DEFAULT_SERVICE_LEVEL 0x05 | |
2941 | ||
2942 | static int ocrdma_parse_dcbxcfg_rsp(struct ocrdma_dev *dev, int ptype, | |
2943 | struct ocrdma_dcbx_cfg *dcbxcfg, | |
2944 | u8 *srvc_lvl) | |
2945 | { | |
2946 | int status = -EINVAL, indx, slindx; | |
2947 | int ventry_cnt; | |
2948 | struct ocrdma_app_parameter *app_param; | |
2949 | u8 valid, proto_sel; | |
2950 | u8 app_prio, pfc_prio; | |
2951 | u16 proto; | |
2952 | ||
2953 | if (!(dcbxcfg->tcv_aev_opv_st & OCRDMA_DCBX_STATE_MASK)) { | |
2954 | pr_info("%s ocrdma%d DCBX is disabled\n", | |
2955 | dev_name(&dev->nic_info.pdev->dev), dev->id); | |
2956 | goto out; | |
2957 | } | |
2958 | ||
2959 | if (!ocrdma_is_enabled_and_synced(dcbxcfg->pfc_state)) { | |
2960 | pr_info("%s ocrdma%d priority flow control(%s) is %s%s\n", | |
2961 | dev_name(&dev->nic_info.pdev->dev), dev->id, | |
2962 | (ptype > 0 ? "operational" : "admin"), | |
2963 | (dcbxcfg->pfc_state & OCRDMA_STATE_FLAG_ENABLED) ? | |
2964 | "enabled" : "disabled", | |
2965 | (dcbxcfg->pfc_state & OCRDMA_STATE_FLAG_SYNC) ? | |
2966 | "" : ", not sync'ed"); | |
2967 | goto out; | |
2968 | } else { | |
2969 | pr_info("%s ocrdma%d priority flow control is enabled and sync'ed\n", | |
2970 | dev_name(&dev->nic_info.pdev->dev), dev->id); | |
2971 | } | |
2972 | ||
2973 | ventry_cnt = (dcbxcfg->tcv_aev_opv_st >> | |
2974 | OCRDMA_DCBX_APP_ENTRY_SHIFT) | |
2975 | & OCRDMA_DCBX_STATE_MASK; | |
2976 | ||
2977 | for (indx = 0; indx < ventry_cnt; indx++) { | |
2978 | app_param = &dcbxcfg->app_param[indx]; | |
2979 | valid = (app_param->valid_proto_app >> | |
2980 | OCRDMA_APP_PARAM_VALID_SHIFT) | |
2981 | & OCRDMA_APP_PARAM_VALID_MASK; | |
2982 | proto_sel = (app_param->valid_proto_app | |
2983 | >> OCRDMA_APP_PARAM_PROTO_SEL_SHIFT) | |
2984 | & OCRDMA_APP_PARAM_PROTO_SEL_MASK; | |
2985 | proto = app_param->valid_proto_app & | |
2986 | OCRDMA_APP_PARAM_APP_PROTO_MASK; | |
2987 | ||
2988 | if ( | |
2989 | valid && proto == OCRDMA_APP_PROTO_ROCE && | |
2990 | proto_sel == OCRDMA_PROTO_SELECT_L2) { | |
2991 | for (slindx = 0; slindx < | |
2992 | OCRDMA_MAX_SERVICE_LEVEL_INDEX; slindx++) { | |
2993 | app_prio = ocrdma_get_app_prio( | |
2994 | (u8 *)app_param->app_prio, | |
2995 | slindx); | |
2996 | pfc_prio = ocrdma_get_pfc_prio( | |
2997 | (u8 *)dcbxcfg->pfc_prio, | |
2998 | slindx); | |
2999 | ||
3000 | if (app_prio && pfc_prio) { | |
3001 | *srvc_lvl = slindx; | |
3002 | status = 0; | |
3003 | goto out; | |
3004 | } | |
3005 | } | |
3006 | if (slindx == OCRDMA_MAX_SERVICE_LEVEL_INDEX) { | |
3007 | pr_info("%s ocrdma%d application priority not set for 0x%x protocol\n", | |
3008 | dev_name(&dev->nic_info.pdev->dev), | |
3009 | dev->id, proto); | |
3010 | } | |
3011 | } | |
3012 | } | |
3013 | ||
3014 | out: | |
3015 | return status; | |
3016 | } | |
3017 | ||
3018 | void ocrdma_init_service_level(struct ocrdma_dev *dev) | |
3019 | { | |
3020 | int status = 0, indx; | |
3021 | struct ocrdma_dcbx_cfg dcbxcfg; | |
3022 | u8 srvc_lvl = OCRDMA_DEFAULT_SERVICE_LEVEL; | |
3023 | int ptype = OCRDMA_PARAMETER_TYPE_OPER; | |
3024 | ||
3025 | for (indx = 0; indx < 2; indx++) { | |
3026 | status = ocrdma_mbx_get_dcbx_config(dev, ptype, &dcbxcfg); | |
3027 | if (status) { | |
3028 | pr_err("%s(): status=%d\n", __func__, status); | |
3029 | ptype = OCRDMA_PARAMETER_TYPE_ADMIN; | |
3030 | continue; | |
3031 | } | |
3032 | ||
3033 | status = ocrdma_parse_dcbxcfg_rsp(dev, ptype, | |
3034 | &dcbxcfg, &srvc_lvl); | |
3035 | if (status) { | |
3036 | ptype = OCRDMA_PARAMETER_TYPE_ADMIN; | |
3037 | continue; | |
3038 | } | |
3039 | ||
3040 | break; | |
3041 | } | |
3042 | ||
3043 | if (status) | |
3044 | pr_info("%s ocrdma%d service level default\n", | |
3045 | dev_name(&dev->nic_info.pdev->dev), dev->id); | |
3046 | else | |
3047 | pr_info("%s ocrdma%d service level %d\n", | |
3048 | dev_name(&dev->nic_info.pdev->dev), dev->id, | |
3049 | srvc_lvl); | |
3050 | ||
3051 | dev->pfc_state = ocrdma_is_enabled_and_synced(dcbxcfg.pfc_state); | |
3052 | dev->sl = srvc_lvl; | |
3053 | } | |
3054 | ||
fe2caefc PP |
3055 | int ocrdma_alloc_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah) |
3056 | { | |
3057 | int i; | |
3058 | int status = -EINVAL; | |
3059 | struct ocrdma_av *av; | |
3060 | unsigned long flags; | |
3061 | ||
3062 | av = dev->av_tbl.va; | |
3063 | spin_lock_irqsave(&dev->av_tbl.lock, flags); | |
3064 | for (i = 0; i < dev->av_tbl.num_ah; i++) { | |
3065 | if (av->valid == 0) { | |
3066 | av->valid = OCRDMA_AV_VALID; | |
3067 | ah->av = av; | |
3068 | ah->id = i; | |
3069 | status = 0; | |
3070 | break; | |
3071 | } | |
3072 | av++; | |
3073 | } | |
3074 | if (i == dev->av_tbl.num_ah) | |
3075 | status = -EAGAIN; | |
3076 | spin_unlock_irqrestore(&dev->av_tbl.lock, flags); | |
3077 | return status; | |
3078 | } | |
3079 | ||
3080 | int ocrdma_free_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah) | |
3081 | { | |
3082 | unsigned long flags; | |
3083 | spin_lock_irqsave(&dev->av_tbl.lock, flags); | |
3084 | ah->av->valid = 0; | |
3085 | spin_unlock_irqrestore(&dev->av_tbl.lock, flags); | |
3086 | return 0; | |
3087 | } | |
3088 | ||
c88bd03f | 3089 | static int ocrdma_create_eqs(struct ocrdma_dev *dev) |
fe2caefc | 3090 | { |
da496438 | 3091 | int num_eq, i, status = 0; |
fe2caefc PP |
3092 | int irq; |
3093 | unsigned long flags = 0; | |
3094 | ||
3095 | num_eq = dev->nic_info.msix.num_vectors - | |
3096 | dev->nic_info.msix.start_vector; | |
3097 | if (dev->nic_info.intr_mode == BE_INTERRUPT_MODE_INTX) { | |
3098 | num_eq = 1; | |
3099 | flags = IRQF_SHARED; | |
f99b1649 | 3100 | } else { |
fe2caefc | 3101 | num_eq = min_t(u32, num_eq, num_online_cpus()); |
f99b1649 NG |
3102 | } |
3103 | ||
c88bd03f NG |
3104 | if (!num_eq) |
3105 | return -EINVAL; | |
3106 | ||
3107 | dev->eq_tbl = kzalloc(sizeof(struct ocrdma_eq) * num_eq, GFP_KERNEL); | |
3108 | if (!dev->eq_tbl) | |
fe2caefc PP |
3109 | return -ENOMEM; |
3110 | ||
3111 | for (i = 0; i < num_eq; i++) { | |
c88bd03f | 3112 | status = ocrdma_create_eq(dev, &dev->eq_tbl[i], |
fad51b7d | 3113 | OCRDMA_EQ_LEN); |
fe2caefc PP |
3114 | if (status) { |
3115 | status = -EINVAL; | |
3116 | break; | |
3117 | } | |
c88bd03f | 3118 | sprintf(dev->eq_tbl[i].irq_name, "ocrdma%d-%d", |
fe2caefc | 3119 | dev->id, i); |
c88bd03f | 3120 | irq = ocrdma_get_irq(dev, &dev->eq_tbl[i]); |
fe2caefc | 3121 | status = request_irq(irq, ocrdma_irq_handler, flags, |
c88bd03f NG |
3122 | dev->eq_tbl[i].irq_name, |
3123 | &dev->eq_tbl[i]); | |
3124 | if (status) | |
3125 | goto done; | |
fe2caefc PP |
3126 | dev->eq_cnt += 1; |
3127 | } | |
3128 | /* one eq is sufficient for data path to work */ | |
c88bd03f NG |
3129 | return 0; |
3130 | done: | |
3131 | ocrdma_destroy_eqs(dev); | |
fe2caefc PP |
3132 | return status; |
3133 | } | |
3134 | ||
b4dbe8d5 MA |
3135 | static int ocrdma_mbx_modify_eqd(struct ocrdma_dev *dev, struct ocrdma_eq *eq, |
3136 | int num) | |
3137 | { | |
3138 | int i, status = -ENOMEM; | |
3139 | struct ocrdma_modify_eqd_req *cmd; | |
3140 | ||
3141 | cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_MODIFY_EQ_DELAY, sizeof(*cmd)); | |
3142 | if (!cmd) | |
3143 | return status; | |
3144 | ||
3145 | ocrdma_init_mch(&cmd->cmd.req, OCRDMA_CMD_MODIFY_EQ_DELAY, | |
3146 | OCRDMA_SUBSYS_COMMON, sizeof(*cmd)); | |
3147 | ||
3148 | cmd->cmd.num_eq = num; | |
3149 | for (i = 0; i < num; i++) { | |
3150 | cmd->cmd.set_eqd[i].eq_id = eq[i].q.id; | |
3151 | cmd->cmd.set_eqd[i].phase = 0; | |
3152 | cmd->cmd.set_eqd[i].delay_multiplier = | |
3153 | (eq[i].aic_obj.prev_eqd * 65)/100; | |
3154 | } | |
3155 | status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd); | |
3156 | if (status) | |
3157 | goto mbx_err; | |
3158 | mbx_err: | |
3159 | kfree(cmd); | |
3160 | return status; | |
3161 | } | |
3162 | ||
3163 | static int ocrdma_modify_eqd(struct ocrdma_dev *dev, struct ocrdma_eq *eq, | |
3164 | int num) | |
3165 | { | |
3166 | int num_eqs, i = 0; | |
3167 | if (num > 8) { | |
3168 | while (num) { | |
3169 | num_eqs = min(num, 8); | |
3170 | ocrdma_mbx_modify_eqd(dev, &eq[i], num_eqs); | |
3171 | i += num_eqs; | |
3172 | num -= num_eqs; | |
3173 | } | |
3174 | } else { | |
3175 | ocrdma_mbx_modify_eqd(dev, eq, num); | |
3176 | } | |
3177 | return 0; | |
3178 | } | |
3179 | ||
3180 | void ocrdma_eqd_set_task(struct work_struct *work) | |
3181 | { | |
3182 | struct ocrdma_dev *dev = | |
3183 | container_of(work, struct ocrdma_dev, eqd_work.work); | |
3184 | struct ocrdma_eq *eq = 0; | |
3185 | int i, num = 0, status = -EINVAL; | |
3186 | u64 eq_intr; | |
3187 | ||
3188 | for (i = 0; i < dev->eq_cnt; i++) { | |
3189 | eq = &dev->eq_tbl[i]; | |
3190 | if (eq->aic_obj.eq_intr_cnt > eq->aic_obj.prev_eq_intr_cnt) { | |
3191 | eq_intr = eq->aic_obj.eq_intr_cnt - | |
3192 | eq->aic_obj.prev_eq_intr_cnt; | |
3193 | if ((eq_intr > EQ_INTR_PER_SEC_THRSH_HI) && | |
3194 | (eq->aic_obj.prev_eqd == EQ_AIC_MIN_EQD)) { | |
3195 | eq->aic_obj.prev_eqd = EQ_AIC_MAX_EQD; | |
3196 | num++; | |
3197 | } else if ((eq_intr < EQ_INTR_PER_SEC_THRSH_LOW) && | |
3198 | (eq->aic_obj.prev_eqd == EQ_AIC_MAX_EQD)) { | |
3199 | eq->aic_obj.prev_eqd = EQ_AIC_MIN_EQD; | |
3200 | num++; | |
3201 | } | |
3202 | } | |
3203 | eq->aic_obj.prev_eq_intr_cnt = eq->aic_obj.eq_intr_cnt; | |
3204 | } | |
3205 | ||
3206 | if (num) | |
3207 | status = ocrdma_modify_eqd(dev, &dev->eq_tbl[0], num); | |
3208 | schedule_delayed_work(&dev->eqd_work, msecs_to_jiffies(1000)); | |
3209 | } | |
3210 | ||
fe2caefc PP |
3211 | int ocrdma_init_hw(struct ocrdma_dev *dev) |
3212 | { | |
3213 | int status; | |
c88bd03f NG |
3214 | |
3215 | /* create the eqs */ | |
3216 | status = ocrdma_create_eqs(dev); | |
fe2caefc PP |
3217 | if (status) |
3218 | goto qpeq_err; | |
3219 | status = ocrdma_create_mq(dev); | |
3220 | if (status) | |
3221 | goto mq_err; | |
3222 | status = ocrdma_mbx_query_fw_config(dev); | |
3223 | if (status) | |
3224 | goto conf_err; | |
3225 | status = ocrdma_mbx_query_dev(dev); | |
3226 | if (status) | |
3227 | goto conf_err; | |
3228 | status = ocrdma_mbx_query_fw_ver(dev); | |
3229 | if (status) | |
3230 | goto conf_err; | |
3231 | status = ocrdma_mbx_create_ah_tbl(dev); | |
3232 | if (status) | |
3233 | goto conf_err; | |
a51f06e1 SX |
3234 | status = ocrdma_mbx_get_phy_info(dev); |
3235 | if (status) | |
daac9681 | 3236 | goto info_attrb_err; |
a51f06e1 SX |
3237 | status = ocrdma_mbx_get_ctrl_attribs(dev); |
3238 | if (status) | |
daac9681 | 3239 | goto info_attrb_err; |
a51f06e1 | 3240 | |
fe2caefc PP |
3241 | return 0; |
3242 | ||
daac9681 DS |
3243 | info_attrb_err: |
3244 | ocrdma_mbx_delete_ah_tbl(dev); | |
fe2caefc PP |
3245 | conf_err: |
3246 | ocrdma_destroy_mq(dev); | |
3247 | mq_err: | |
c88bd03f | 3248 | ocrdma_destroy_eqs(dev); |
fe2caefc | 3249 | qpeq_err: |
ef99c4c2 | 3250 | pr_err("%s() status=%d\n", __func__, status); |
fe2caefc PP |
3251 | return status; |
3252 | } | |
3253 | ||
3254 | void ocrdma_cleanup_hw(struct ocrdma_dev *dev) | |
3255 | { | |
9ba1377d | 3256 | ocrdma_free_pd_pool(dev); |
fe2caefc PP |
3257 | ocrdma_mbx_delete_ah_tbl(dev); |
3258 | ||
fe2caefc PP |
3259 | /* cleanup the control path */ |
3260 | ocrdma_destroy_mq(dev); | |
314fdf44 SX |
3261 | |
3262 | /* cleanup the eqs */ | |
3263 | ocrdma_destroy_eqs(dev); | |
fe2caefc | 3264 | } |