15 	struct hns_roce_srq *srq;  in hns_roce_srq_event()  local
18 	srq = xa_load(&srq_table->xa, srqn & (hr_dev->caps.num_srqs - 1));  in hns_roce_srq_event()
19 	if (srq)  in hns_roce_srq_event()
20 		refcount_inc(&srq->refcount);  in hns_roce_srq_event()
23 	if (!srq) {  in hns_roce_srq_event()
28 	srq->event(srq, event_type);  in hns_roce_srq_event()
30 	if (refcount_dec_and_test(&srq->refcount))  in hns_roce_srq_event()
31 		complete(&srq->free);  in hns_roce_srq_event()
34 static void hns_roce_ib_srq_event(struct hns_roce_srq *srq,  in hns_roce_ib_srq_event()  argument
37 	struct hns_roce_dev *hr_dev = to_hr_dev(srq->ibsrq.device);  in hns_roce_ib_srq_event()
38 	struct ib_srq *ibsrq = &srq->ibsrq;  in hns_roce_ib_srq_event()
43 		event.element.srq = ibsrq;  in hns_roce_ib_srq_event()
54 			   event_type, srq->srqn);  in hns_roce_ib_srq_event()
62 static int alloc_srqn(struct hns_roce_dev *hr_dev, struct hns_roce_srq *srq)  in alloc_srqn()  argument
74 	srq->srqn = id;  in alloc_srqn()
79 static void free_srqn(struct hns_roce_dev *hr_dev, struct hns_roce_srq *srq)  in free_srqn()  argument
81 	ida_free(&hr_dev->srq_table.srq_ida.ida, (int)srq->srqn);  in free_srqn()
85 				struct hns_roce_srq *srq)  in hns_roce_create_srqc()  argument
97 	ret = hr_dev->hw->write_srqc(srq, mailbox->buf);  in hns_roce_create_srqc()
104 				     srq->srqn);  in hns_roce_create_srqc()
113 static int alloc_srqc(struct hns_roce_dev *hr_dev, struct hns_roce_srq *srq)  in alloc_srqc()  argument
119 	ret = hns_roce_table_get(hr_dev, &srq_table->table, srq->srqn);  in alloc_srqc()
125 	ret = xa_err(xa_store(&srq_table->xa, srq->srqn, srq, GFP_KERNEL));  in alloc_srqc()
131 	ret = hns_roce_create_srqc(hr_dev, srq);  in alloc_srqc()
138 	xa_erase(&srq_table->xa, srq->srqn);  in alloc_srqc()
140 	hns_roce_table_put(hr_dev, &srq_table->table, srq->srqn);  in alloc_srqc()
145 static void free_srqc(struct hns_roce_dev *hr_dev, struct hns_roce_srq *srq)  in free_srqc()  argument
151 				      srq->srqn);  in free_srqc()
154 			ret, srq->srqn);  in free_srqc()
156 	xa_erase(&srq_table->xa, srq->srqn);  in free_srqc()
158 	if (refcount_dec_and_test(&srq->refcount))  in free_srqc()
159 		complete(&srq->free);  in free_srqc()
160 	wait_for_completion(&srq->free);  in free_srqc()
162 	hns_roce_table_put(hr_dev, &srq_table->table, srq->srqn);  in free_srqc()
165 static int alloc_srq_idx(struct hns_roce_dev *hr_dev, struct hns_roce_srq *srq,  in alloc_srq_idx()  argument
168 	struct hns_roce_idx_que *idx_que = &srq->idx_que;  in alloc_srq_idx()
173 	srq->idx_que.entry_shift = ilog2(HNS_ROCE_IDX_QUE_ENTRY_SZ);  in alloc_srq_idx()
176 	buf_attr.region[0].size = to_hr_hem_entries_size(srq->wqe_cnt,  in alloc_srq_idx()
177 					srq->idx_que.entry_shift);  in alloc_srq_idx()
191 		idx_que->bitmap = bitmap_zalloc(srq->wqe_cnt, GFP_KERNEL);  in alloc_srq_idx()
209 static void free_srq_idx(struct hns_roce_dev *hr_dev, struct hns_roce_srq *srq)  in free_srq_idx()  argument
211 	struct hns_roce_idx_que *idx_que = &srq->idx_que;  in free_srq_idx()
219 			     struct hns_roce_srq *srq,  in alloc_srq_wqe_buf()  argument
226 	srq->wqe_shift = ilog2(roundup_pow_of_two(max(HNS_ROCE_SGE_SIZE,  in alloc_srq_wqe_buf()
228 						      srq->max_gs)));  in alloc_srq_wqe_buf()
231 	buf_attr.region[0].size = to_hr_hem_entries_size(srq->wqe_cnt,  in alloc_srq_wqe_buf()
232 							 srq->wqe_shift);  in alloc_srq_wqe_buf()
236 	ret = hns_roce_mtr_create(hr_dev, &srq->buf_mtr, &buf_attr,  in alloc_srq_wqe_buf()
247 			     struct hns_roce_srq *srq)  in free_srq_wqe_buf()  argument
249 	hns_roce_mtr_destroy(hr_dev, &srq->buf_mtr);  in free_srq_wqe_buf()
252 static int alloc_srq_wrid(struct hns_roce_dev *hr_dev, struct hns_roce_srq *srq)  in alloc_srq_wrid()  argument
254 	srq->wrid = kvmalloc_array(srq->wqe_cnt, sizeof(u64), GFP_KERNEL);  in alloc_srq_wrid()
255 	if (!srq->wrid)  in alloc_srq_wrid()
261 static void free_srq_wrid(struct hns_roce_srq *srq)  in free_srq_wrid()  argument
263 	kvfree(srq->wrid);  in free_srq_wrid()
264 	srq->wrid = NULL;  in free_srq_wrid()
289 static int set_srq_basic_param(struct hns_roce_srq *srq,  in set_srq_basic_param()  argument
293 	struct hns_roce_dev *hr_dev = to_hr_dev(srq->ibsrq.device);  in set_srq_basic_param()
297 	max_sge = proc_srq_sge(hr_dev, srq, !!udata);  in set_srq_basic_param()
307 	srq->wqe_cnt = roundup_pow_of_two(attr->max_wr);  in set_srq_basic_param()
308 	srq->max_gs = roundup_pow_of_two(attr->max_sge + srq->rsv_sge);  in set_srq_basic_param()
310 	attr->max_wr = srq->wqe_cnt;  in set_srq_basic_param()
311 	attr->max_sge = srq->max_gs - srq->rsv_sge;  in set_srq_basic_param()
317 static void set_srq_ext_param(struct hns_roce_srq *srq,  in set_srq_ext_param()  argument
320 	srq->cqn = ib_srq_has_cq(init_attr->srq_type) ?  in set_srq_ext_param()
323 	srq->xrcdn = (init_attr->srq_type == IB_SRQT_XRC) ?  in set_srq_ext_param()
327 static int set_srq_param(struct hns_roce_srq *srq,  in set_srq_param()  argument
333 	ret = set_srq_basic_param(srq, init_attr, udata);  in set_srq_param()
337 	set_srq_ext_param(srq, init_attr);  in set_srq_param()
342 static int alloc_srq_buf(struct hns_roce_dev *hr_dev, struct hns_roce_srq *srq,  in alloc_srq_buf()  argument
359 	ret = alloc_srq_idx(hr_dev, srq, udata, ucmd.que_addr);  in alloc_srq_buf()
363 	ret = alloc_srq_wqe_buf(hr_dev, srq, udata, ucmd.buf_addr);  in alloc_srq_buf()
368 		ret = alloc_srq_wrid(hr_dev, srq);  in alloc_srq_buf()
376 	free_srq_wqe_buf(hr_dev, srq);  in alloc_srq_buf()
378 	free_srq_idx(hr_dev, srq);  in alloc_srq_buf()
383 static void free_srq_buf(struct hns_roce_dev *hr_dev, struct hns_roce_srq *srq)  in free_srq_buf()  argument
385 	free_srq_wrid(srq);  in free_srq_buf()
386 	free_srq_wqe_buf(hr_dev, srq);  in free_srq_buf()
387 	free_srq_idx(hr_dev, srq);  in free_srq_buf()
396 	struct hns_roce_srq *srq = to_hr_srq(ib_srq);  in hns_roce_create_srq()  local
399 	mutex_init(&srq->mutex);  in hns_roce_create_srq()
400 	spin_lock_init(&srq->lock);  in hns_roce_create_srq()
402 	ret = set_srq_param(srq, init_attr, udata);  in hns_roce_create_srq()
406 	ret = alloc_srq_buf(hr_dev, srq, udata);  in hns_roce_create_srq()
410 	ret = alloc_srqn(hr_dev, srq);  in hns_roce_create_srq()
414 	ret = alloc_srqc(hr_dev, srq);  in hns_roce_create_srq()
419 		resp.srqn = srq->srqn;  in hns_roce_create_srq()
427 	srq->db_reg = hr_dev->reg_base + SRQ_DB_REG;  in hns_roce_create_srq()
428 	srq->event = hns_roce_ib_srq_event;  in hns_roce_create_srq()
429 	refcount_set(&srq->refcount, 1);  in hns_roce_create_srq()
430 	init_completion(&srq->free);  in hns_roce_create_srq()
435 	free_srqc(hr_dev, srq);  in hns_roce_create_srq()
437 	free_srqn(hr_dev, srq);  in hns_roce_create_srq()
439 	free_srq_buf(hr_dev, srq);  in hns_roce_create_srq()
447 	struct hns_roce_srq *srq = to_hr_srq(ibsrq);  in hns_roce_destroy_srq()  local
449 	free_srqc(hr_dev, srq);  in hns_roce_destroy_srq()
450 	free_srqn(hr_dev, srq);  in hns_roce_destroy_srq()
451 	free_srq_buf(hr_dev, srq);  in hns_roce_destroy_srq()