1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
3 * Copyright (c) 2013-2018, Mellanox Technologies inc. All rights reserved.
6 #include <linux/kernel.h>
7 #include <linux/mlx5/driver.h>
12 static int get_pas_size(struct mlx5_srq_attr *in)
14 u32 log_page_size = in->log_page_size + 12;
15 u32 log_srq_size = in->log_size;
16 u32 log_rq_stride = in->wqe_shift;
17 u32 page_offset = in->page_offset;
18 u32 po_quanta = 1 << (log_page_size - 6);
19 u32 rq_sz = 1 << (log_srq_size + 4 + log_rq_stride);
20 u32 page_size = 1 << log_page_size;
21 u32 rq_sz_po = rq_sz + (page_offset * po_quanta);
22 u32 rq_num_pas = DIV_ROUND_UP(rq_sz_po, page_size);
24 return rq_num_pas * sizeof(u64);
27 static void set_wq(void *wq, struct mlx5_srq_attr *in)
29 MLX5_SET(wq, wq, wq_signature, !!(in->flags
30 & MLX5_SRQ_FLAG_WQ_SIG));
31 MLX5_SET(wq, wq, log_wq_pg_sz, in->log_page_size);
32 MLX5_SET(wq, wq, log_wq_stride, in->wqe_shift + 4);
33 MLX5_SET(wq, wq, log_wq_sz, in->log_size);
34 MLX5_SET(wq, wq, page_offset, in->page_offset);
35 MLX5_SET(wq, wq, lwm, in->lwm);
36 MLX5_SET(wq, wq, pd, in->pd);
37 MLX5_SET64(wq, wq, dbr_addr, in->db_record);
40 static void set_srqc(void *srqc, struct mlx5_srq_attr *in)
42 MLX5_SET(srqc, srqc, wq_signature, !!(in->flags
43 & MLX5_SRQ_FLAG_WQ_SIG));
44 MLX5_SET(srqc, srqc, log_page_size, in->log_page_size);
45 MLX5_SET(srqc, srqc, log_rq_stride, in->wqe_shift);
46 MLX5_SET(srqc, srqc, log_srq_size, in->log_size);
47 MLX5_SET(srqc, srqc, page_offset, in->page_offset);
48 MLX5_SET(srqc, srqc, lwm, in->lwm);
49 MLX5_SET(srqc, srqc, pd, in->pd);
50 MLX5_SET64(srqc, srqc, dbr_addr, in->db_record);
51 MLX5_SET(srqc, srqc, xrcd, in->xrcd);
52 MLX5_SET(srqc, srqc, cqn, in->cqn);
55 static void get_wq(void *wq, struct mlx5_srq_attr *in)
57 if (MLX5_GET(wq, wq, wq_signature))
58 in->flags &= MLX5_SRQ_FLAG_WQ_SIG;
59 in->log_page_size = MLX5_GET(wq, wq, log_wq_pg_sz);
60 in->wqe_shift = MLX5_GET(wq, wq, log_wq_stride) - 4;
61 in->log_size = MLX5_GET(wq, wq, log_wq_sz);
62 in->page_offset = MLX5_GET(wq, wq, page_offset);
63 in->lwm = MLX5_GET(wq, wq, lwm);
64 in->pd = MLX5_GET(wq, wq, pd);
65 in->db_record = MLX5_GET64(wq, wq, dbr_addr);
68 static void get_srqc(void *srqc, struct mlx5_srq_attr *in)
70 if (MLX5_GET(srqc, srqc, wq_signature))
71 in->flags &= MLX5_SRQ_FLAG_WQ_SIG;
72 in->log_page_size = MLX5_GET(srqc, srqc, log_page_size);
73 in->wqe_shift = MLX5_GET(srqc, srqc, log_rq_stride);
74 in->log_size = MLX5_GET(srqc, srqc, log_srq_size);
75 in->page_offset = MLX5_GET(srqc, srqc, page_offset);
76 in->lwm = MLX5_GET(srqc, srqc, lwm);
77 in->pd = MLX5_GET(srqc, srqc, pd);
78 in->db_record = MLX5_GET64(srqc, srqc, dbr_addr);
81 struct mlx5_core_srq *mlx5_cmd_get_srq(struct mlx5_ib_dev *dev, u32 srqn)
83 struct mlx5_srq_table *table = &dev->srq_table;
84 struct mlx5_core_srq *srq;
86 xa_lock_irq(&table->array);
87 srq = xa_load(&table->array, srqn);
89 refcount_inc(&srq->common.refcount);
90 xa_unlock_irq(&table->array);
95 static int __set_srq_page_size(struct mlx5_srq_attr *in,
96 unsigned long page_size)
100 in->log_page_size = order_base_2(page_size) - MLX5_ADAPTER_PAGE_SHIFT;
102 if (WARN_ON(get_pas_size(in) !=
103 ib_umem_num_dma_blocks(in->umem, page_size) * sizeof(u64)))
108 #define set_srq_page_size(in, typ, log_pgsz_fld) \
109 __set_srq_page_size(in, mlx5_umem_find_best_quantized_pgoff( \
110 (in)->umem, typ, log_pgsz_fld, \
111 MLX5_ADAPTER_PAGE_SHIFT, page_offset, \
112 64, &(in)->page_offset))
114 static int create_srq_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
115 struct mlx5_srq_attr *in)
117 u32 create_out[MLX5_ST_SZ_DW(create_srq_out)] = {0};
126 err = set_srq_page_size(in, srqc, log_page_size);
131 pas_size = get_pas_size(in);
132 inlen = MLX5_ST_SZ_BYTES(create_srq_in) + pas_size;
133 create_in = kvzalloc(inlen, GFP_KERNEL);
137 MLX5_SET(create_srq_in, create_in, uid, in->uid);
138 srqc = MLX5_ADDR_OF(create_srq_in, create_in, srq_context_entry);
139 pas = MLX5_ADDR_OF(create_srq_in, create_in, pas);
143 mlx5_ib_populate_pas(
145 1UL << (in->log_page_size + MLX5_ADAPTER_PAGE_SHIFT),
148 memcpy(pas, in->pas, pas_size);
150 MLX5_SET(create_srq_in, create_in, opcode,
151 MLX5_CMD_OP_CREATE_SRQ);
153 err = mlx5_cmd_exec(dev->mdev, create_in, inlen, create_out,
157 srq->srqn = MLX5_GET(create_srq_out, create_out, srqn);
164 static int destroy_srq_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq)
166 u32 in[MLX5_ST_SZ_DW(destroy_srq_in)] = {};
168 MLX5_SET(destroy_srq_in, in, opcode, MLX5_CMD_OP_DESTROY_SRQ);
169 MLX5_SET(destroy_srq_in, in, srqn, srq->srqn);
170 MLX5_SET(destroy_srq_in, in, uid, srq->uid);
172 return mlx5_cmd_exec_in(dev->mdev, destroy_srq, in);
175 static int arm_srq_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
178 u32 in[MLX5_ST_SZ_DW(arm_rq_in)] = {};
180 MLX5_SET(arm_rq_in, in, opcode, MLX5_CMD_OP_ARM_RQ);
181 MLX5_SET(arm_rq_in, in, op_mod, MLX5_ARM_RQ_IN_OP_MOD_SRQ);
182 MLX5_SET(arm_rq_in, in, srq_number, srq->srqn);
183 MLX5_SET(arm_rq_in, in, lwm, lwm);
184 MLX5_SET(arm_rq_in, in, uid, srq->uid);
186 return mlx5_cmd_exec_in(dev->mdev, arm_rq, in);
189 static int query_srq_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
190 struct mlx5_srq_attr *out)
192 u32 in[MLX5_ST_SZ_DW(query_srq_in)] = {};
197 srq_out = kvzalloc(MLX5_ST_SZ_BYTES(query_srq_out), GFP_KERNEL);
201 MLX5_SET(query_srq_in, in, opcode, MLX5_CMD_OP_QUERY_SRQ);
202 MLX5_SET(query_srq_in, in, srqn, srq->srqn);
203 err = mlx5_cmd_exec_inout(dev->mdev, query_srq, in, srq_out);
207 srqc = MLX5_ADDR_OF(query_srq_out, srq_out, srq_context_entry);
209 if (MLX5_GET(srqc, srqc, state) != MLX5_SRQC_STATE_GOOD)
210 out->flags |= MLX5_SRQ_FLAG_ERR;
216 static int create_xrc_srq_cmd(struct mlx5_ib_dev *dev,
217 struct mlx5_core_srq *srq,
218 struct mlx5_srq_attr *in)
220 u32 create_out[MLX5_ST_SZ_DW(create_xrc_srq_out)];
229 err = set_srq_page_size(in, xrc_srqc, log_page_size);
234 pas_size = get_pas_size(in);
235 inlen = MLX5_ST_SZ_BYTES(create_xrc_srq_in) + pas_size;
236 create_in = kvzalloc(inlen, GFP_KERNEL);
240 MLX5_SET(create_xrc_srq_in, create_in, uid, in->uid);
241 xrc_srqc = MLX5_ADDR_OF(create_xrc_srq_in, create_in,
242 xrc_srq_context_entry);
243 pas = MLX5_ADDR_OF(create_xrc_srq_in, create_in, pas);
245 set_srqc(xrc_srqc, in);
246 MLX5_SET(xrc_srqc, xrc_srqc, user_index, in->user_index);
248 mlx5_ib_populate_pas(
250 1UL << (in->log_page_size + MLX5_ADAPTER_PAGE_SHIFT),
253 memcpy(pas, in->pas, pas_size);
254 MLX5_SET(create_xrc_srq_in, create_in, opcode,
255 MLX5_CMD_OP_CREATE_XRC_SRQ);
257 memset(create_out, 0, sizeof(create_out));
258 err = mlx5_cmd_exec(dev->mdev, create_in, inlen, create_out,
263 srq->srqn = MLX5_GET(create_xrc_srq_out, create_out, xrc_srqn);
270 static int destroy_xrc_srq_cmd(struct mlx5_ib_dev *dev,
271 struct mlx5_core_srq *srq)
273 u32 in[MLX5_ST_SZ_DW(destroy_xrc_srq_in)] = {};
275 MLX5_SET(destroy_xrc_srq_in, in, opcode, MLX5_CMD_OP_DESTROY_XRC_SRQ);
276 MLX5_SET(destroy_xrc_srq_in, in, xrc_srqn, srq->srqn);
277 MLX5_SET(destroy_xrc_srq_in, in, uid, srq->uid);
279 return mlx5_cmd_exec_in(dev->mdev, destroy_xrc_srq, in);
282 static int arm_xrc_srq_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
285 u32 in[MLX5_ST_SZ_DW(arm_xrc_srq_in)] = {};
287 MLX5_SET(arm_xrc_srq_in, in, opcode, MLX5_CMD_OP_ARM_XRC_SRQ);
288 MLX5_SET(arm_xrc_srq_in, in, op_mod,
289 MLX5_ARM_XRC_SRQ_IN_OP_MOD_XRC_SRQ);
290 MLX5_SET(arm_xrc_srq_in, in, xrc_srqn, srq->srqn);
291 MLX5_SET(arm_xrc_srq_in, in, lwm, lwm);
292 MLX5_SET(arm_xrc_srq_in, in, uid, srq->uid);
294 return mlx5_cmd_exec_in(dev->mdev, arm_xrc_srq, in);
297 static int query_xrc_srq_cmd(struct mlx5_ib_dev *dev,
298 struct mlx5_core_srq *srq,
299 struct mlx5_srq_attr *out)
301 u32 in[MLX5_ST_SZ_DW(query_xrc_srq_in)] = {};
306 xrcsrq_out = kvzalloc(MLX5_ST_SZ_BYTES(query_xrc_srq_out), GFP_KERNEL);
310 MLX5_SET(query_xrc_srq_in, in, opcode, MLX5_CMD_OP_QUERY_XRC_SRQ);
311 MLX5_SET(query_xrc_srq_in, in, xrc_srqn, srq->srqn);
313 err = mlx5_cmd_exec_inout(dev->mdev, query_xrc_srq, in, xrcsrq_out);
317 xrc_srqc = MLX5_ADDR_OF(query_xrc_srq_out, xrcsrq_out,
318 xrc_srq_context_entry);
319 get_srqc(xrc_srqc, out);
320 if (MLX5_GET(xrc_srqc, xrc_srqc, state) != MLX5_XRC_SRQC_STATE_GOOD)
321 out->flags |= MLX5_SRQ_FLAG_ERR;
328 static int create_rmp_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
329 struct mlx5_srq_attr *in)
331 void *create_out = NULL;
332 void *create_in = NULL;
342 err = set_srq_page_size(in, wq, log_wq_pg_sz);
347 pas_size = get_pas_size(in);
348 inlen = MLX5_ST_SZ_BYTES(create_rmp_in) + pas_size;
349 outlen = MLX5_ST_SZ_BYTES(create_rmp_out);
350 create_in = kvzalloc(inlen, GFP_KERNEL);
351 create_out = kvzalloc(outlen, GFP_KERNEL);
352 if (!create_in || !create_out) {
357 rmpc = MLX5_ADDR_OF(create_rmp_in, create_in, ctx);
358 wq = MLX5_ADDR_OF(rmpc, rmpc, wq);
360 MLX5_SET(rmpc, rmpc, state, MLX5_RMPC_STATE_RDY);
361 MLX5_SET(create_rmp_in, create_in, uid, in->uid);
362 pas = MLX5_ADDR_OF(rmpc, rmpc, wq.pas);
366 mlx5_ib_populate_pas(
368 1UL << (in->log_page_size + MLX5_ADAPTER_PAGE_SHIFT),
371 memcpy(pas, in->pas, pas_size);
373 MLX5_SET(create_rmp_in, create_in, opcode, MLX5_CMD_OP_CREATE_RMP);
374 err = mlx5_cmd_exec(dev->mdev, create_in, inlen, create_out, outlen);
376 srq->srqn = MLX5_GET(create_rmp_out, create_out, rmpn);
386 static int destroy_rmp_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq)
388 u32 in[MLX5_ST_SZ_DW(destroy_rmp_in)] = {};
390 MLX5_SET(destroy_rmp_in, in, opcode, MLX5_CMD_OP_DESTROY_RMP);
391 MLX5_SET(destroy_rmp_in, in, rmpn, srq->srqn);
392 MLX5_SET(destroy_rmp_in, in, uid, srq->uid);
393 return mlx5_cmd_exec_in(dev->mdev, destroy_rmp, in);
396 static int arm_rmp_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
408 inlen = MLX5_ST_SZ_BYTES(modify_rmp_in);
409 outlen = MLX5_ST_SZ_BYTES(modify_rmp_out);
411 in = kvzalloc(inlen, GFP_KERNEL);
412 out = kvzalloc(outlen, GFP_KERNEL);
418 rmpc = MLX5_ADDR_OF(modify_rmp_in, in, ctx);
419 bitmask = MLX5_ADDR_OF(modify_rmp_in, in, bitmask);
420 wq = MLX5_ADDR_OF(rmpc, rmpc, wq);
422 MLX5_SET(modify_rmp_in, in, rmp_state, MLX5_RMPC_STATE_RDY);
423 MLX5_SET(modify_rmp_in, in, rmpn, srq->srqn);
424 MLX5_SET(modify_rmp_in, in, uid, srq->uid);
425 MLX5_SET(wq, wq, lwm, lwm);
426 MLX5_SET(rmp_bitmask, bitmask, lwm, 1);
427 MLX5_SET(rmpc, rmpc, state, MLX5_RMPC_STATE_RDY);
428 MLX5_SET(modify_rmp_in, in, opcode, MLX5_CMD_OP_MODIFY_RMP);
430 err = mlx5_cmd_exec_inout(dev->mdev, modify_rmp, in, out);
438 static int query_rmp_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
439 struct mlx5_srq_attr *out)
448 outlen = MLX5_ST_SZ_BYTES(query_rmp_out);
449 inlen = MLX5_ST_SZ_BYTES(query_rmp_in);
451 rmp_out = kvzalloc(outlen, GFP_KERNEL);
452 rmp_in = kvzalloc(inlen, GFP_KERNEL);
453 if (!rmp_out || !rmp_in) {
458 MLX5_SET(query_rmp_in, rmp_in, opcode, MLX5_CMD_OP_QUERY_RMP);
459 MLX5_SET(query_rmp_in, rmp_in, rmpn, srq->srqn);
460 err = mlx5_cmd_exec_inout(dev->mdev, query_rmp, rmp_in, rmp_out);
464 rmpc = MLX5_ADDR_OF(query_rmp_out, rmp_out, rmp_context);
465 get_wq(MLX5_ADDR_OF(rmpc, rmpc, wq), out);
466 if (MLX5_GET(rmpc, rmpc, state) != MLX5_RMPC_STATE_RDY)
467 out->flags |= MLX5_SRQ_FLAG_ERR;
475 static int create_xrq_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
476 struct mlx5_srq_attr *in)
478 u32 create_out[MLX5_ST_SZ_DW(create_xrq_out)] = {0};
488 err = set_srq_page_size(in, wq, log_wq_pg_sz);
493 pas_size = get_pas_size(in);
494 inlen = MLX5_ST_SZ_BYTES(create_xrq_in) + pas_size;
495 create_in = kvzalloc(inlen, GFP_KERNEL);
499 xrqc = MLX5_ADDR_OF(create_xrq_in, create_in, xrq_context);
500 wq = MLX5_ADDR_OF(xrqc, xrqc, wq);
501 pas = MLX5_ADDR_OF(xrqc, xrqc, wq.pas);
505 mlx5_ib_populate_pas(
507 1UL << (in->log_page_size + MLX5_ADAPTER_PAGE_SHIFT),
510 memcpy(pas, in->pas, pas_size);
512 if (in->type == IB_SRQT_TM) {
513 MLX5_SET(xrqc, xrqc, topology, MLX5_XRQC_TOPOLOGY_TAG_MATCHING);
514 if (in->flags & MLX5_SRQ_FLAG_RNDV)
515 MLX5_SET(xrqc, xrqc, offload, MLX5_XRQC_OFFLOAD_RNDV);
517 tag_matching_topology_context.log_matching_list_sz,
518 in->tm_log_list_size);
520 MLX5_SET(xrqc, xrqc, user_index, in->user_index);
521 MLX5_SET(xrqc, xrqc, cqn, in->cqn);
522 MLX5_SET(create_xrq_in, create_in, opcode, MLX5_CMD_OP_CREATE_XRQ);
523 MLX5_SET(create_xrq_in, create_in, uid, in->uid);
524 err = mlx5_cmd_exec(dev->mdev, create_in, inlen, create_out,
528 srq->srqn = MLX5_GET(create_xrq_out, create_out, xrqn);
535 static int destroy_xrq_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq)
537 u32 in[MLX5_ST_SZ_DW(destroy_xrq_in)] = {};
539 MLX5_SET(destroy_xrq_in, in, opcode, MLX5_CMD_OP_DESTROY_XRQ);
540 MLX5_SET(destroy_xrq_in, in, xrqn, srq->srqn);
541 MLX5_SET(destroy_xrq_in, in, uid, srq->uid);
543 return mlx5_cmd_exec_in(dev->mdev, destroy_xrq, in);
546 static int arm_xrq_cmd(struct mlx5_ib_dev *dev,
547 struct mlx5_core_srq *srq,
550 u32 in[MLX5_ST_SZ_DW(arm_rq_in)] = {};
552 MLX5_SET(arm_rq_in, in, opcode, MLX5_CMD_OP_ARM_RQ);
553 MLX5_SET(arm_rq_in, in, op_mod, MLX5_ARM_RQ_IN_OP_MOD_XRQ);
554 MLX5_SET(arm_rq_in, in, srq_number, srq->srqn);
555 MLX5_SET(arm_rq_in, in, lwm, lwm);
556 MLX5_SET(arm_rq_in, in, uid, srq->uid);
558 return mlx5_cmd_exec_in(dev->mdev, arm_rq, in);
561 static int query_xrq_cmd(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
562 struct mlx5_srq_attr *out)
564 u32 in[MLX5_ST_SZ_DW(query_xrq_in)] = {};
566 int outlen = MLX5_ST_SZ_BYTES(query_xrq_out);
570 xrq_out = kvzalloc(outlen, GFP_KERNEL);
574 MLX5_SET(query_xrq_in, in, opcode, MLX5_CMD_OP_QUERY_XRQ);
575 MLX5_SET(query_xrq_in, in, xrqn, srq->srqn);
577 err = mlx5_cmd_exec_inout(dev->mdev, query_xrq, in, xrq_out);
581 xrqc = MLX5_ADDR_OF(query_xrq_out, xrq_out, xrq_context);
582 get_wq(MLX5_ADDR_OF(xrqc, xrqc, wq), out);
583 if (MLX5_GET(xrqc, xrqc, state) != MLX5_XRQC_STATE_GOOD)
584 out->flags |= MLX5_SRQ_FLAG_ERR;
587 tag_matching_topology_context.append_next_index);
588 out->tm_hw_phase_cnt =
590 tag_matching_topology_context.hw_phase_cnt);
591 out->tm_sw_phase_cnt =
593 tag_matching_topology_context.sw_phase_cnt);
600 static int create_srq_split(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
601 struct mlx5_srq_attr *in)
603 if (!dev->mdev->issi)
604 return create_srq_cmd(dev, srq, in);
605 switch (srq->common.res) {
607 return create_xrc_srq_cmd(dev, srq, in);
609 return create_xrq_cmd(dev, srq, in);
611 return create_rmp_cmd(dev, srq, in);
615 static int destroy_srq_split(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq)
617 if (!dev->mdev->issi)
618 return destroy_srq_cmd(dev, srq);
619 switch (srq->common.res) {
621 return destroy_xrc_srq_cmd(dev, srq);
623 return destroy_xrq_cmd(dev, srq);
625 return destroy_rmp_cmd(dev, srq);
629 int mlx5_cmd_create_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
630 struct mlx5_srq_attr *in)
632 struct mlx5_srq_table *table = &dev->srq_table;
637 srq->common.res = MLX5_RES_XSRQ;
640 srq->common.res = MLX5_RES_XRQ;
643 srq->common.res = MLX5_RES_SRQ;
646 err = create_srq_split(dev, srq, in);
650 refcount_set(&srq->common.refcount, 1);
651 init_completion(&srq->common.free);
653 err = xa_err(xa_store_irq(&table->array, srq->srqn, srq, GFP_KERNEL));
655 goto err_destroy_srq_split;
659 err_destroy_srq_split:
660 destroy_srq_split(dev, srq);
665 int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq)
667 struct mlx5_srq_table *table = &dev->srq_table;
668 struct mlx5_core_srq *tmp;
671 /* Delete entry, but leave index occupied */
672 tmp = xa_cmpxchg_irq(&table->array, srq->srqn, srq, XA_ZERO_ENTRY, 0);
673 if (WARN_ON(tmp != srq))
674 return xa_err(tmp) ?: -EINVAL;
676 err = destroy_srq_split(dev, srq);
679 * We don't need to check returned result for an error,
680 * because we are storing in pre-allocated space xarray
681 * entry and it can't fail at this stage.
683 xa_cmpxchg_irq(&table->array, srq->srqn, XA_ZERO_ENTRY, srq, 0);
686 xa_erase_irq(&table->array, srq->srqn);
688 mlx5_core_res_put(&srq->common);
689 wait_for_completion(&srq->common.free);
693 int mlx5_cmd_query_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
694 struct mlx5_srq_attr *out)
696 if (!dev->mdev->issi)
697 return query_srq_cmd(dev, srq, out);
698 switch (srq->common.res) {
700 return query_xrc_srq_cmd(dev, srq, out);
702 return query_xrq_cmd(dev, srq, out);
704 return query_rmp_cmd(dev, srq, out);
708 int mlx5_cmd_arm_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
711 if (!dev->mdev->issi)
712 return arm_srq_cmd(dev, srq, lwm, is_srq);
713 switch (srq->common.res) {
715 return arm_xrc_srq_cmd(dev, srq, lwm);
717 return arm_xrq_cmd(dev, srq, lwm);
719 return arm_rmp_cmd(dev, srq, lwm);
723 static int srq_event_notifier(struct notifier_block *nb,
724 unsigned long type, void *data)
726 struct mlx5_srq_table *table;
727 struct mlx5_core_srq *srq;
728 struct mlx5_eqe *eqe;
731 if (type != MLX5_EVENT_TYPE_SRQ_CATAS_ERROR &&
732 type != MLX5_EVENT_TYPE_SRQ_RQ_LIMIT)
735 table = container_of(nb, struct mlx5_srq_table, nb);
738 srqn = be32_to_cpu(eqe->data.qp_srq.qp_srq_n) & 0xffffff;
740 xa_lock(&table->array);
741 srq = xa_load(&table->array, srqn);
743 refcount_inc(&srq->common.refcount);
744 xa_unlock(&table->array);
749 srq->event(srq, eqe->type);
751 mlx5_core_res_put(&srq->common);
756 int mlx5_init_srq_table(struct mlx5_ib_dev *dev)
758 struct mlx5_srq_table *table = &dev->srq_table;
760 memset(table, 0, sizeof(*table));
761 xa_init_flags(&table->array, XA_FLAGS_LOCK_IRQ);
763 table->nb.notifier_call = srq_event_notifier;
764 mlx5_notifier_register(dev->mdev, &table->nb);
769 void mlx5_cleanup_srq_table(struct mlx5_ib_dev *dev)
771 struct mlx5_srq_table *table = &dev->srq_table;
773 mlx5_notifier_unregister(dev->mdev, &table->nb);