hw/mlx5/srq.c

125 	mlx5_init_fbc(srq->buf.frags, srq->msrq.wqe_shift, ilog2(srq->msrq.max),
129 	srq->tail    = srq->msrq.max - 1;
132 	for (i = 0; i < srq->msrq.max; i++) {
135 			cpu_to_be16((i + 1) & (srq->msrq.max - 1));
146 	srq->wrid = kvmalloc_array(srq->msrq.max, sizeof(u64), GFP_KERNEL);
218 	srq->msrq.max    = roundup_pow_of_two(init_attr->attr.max_wr + 1);
219 	srq->msrq.max_gs = init_attr->attr.max_sge;
222 		    srq->msrq.max_gs * sizeof(struct mlx5_wqe_data_seg);
223 	if (desc_size == 0 || srq->msrq.max_gs > desc_size)
231 	srq->msrq.max_avail_gather = (desc_size - sizeof(struct mlx5_wqe_srq_next_seg)) /
233 	srq->msrq.wqe_shift = ilog2(desc_size);
234 	buf_size = srq->msrq.max * desc_size;
251 	in.log_size = ilog2(srq->msrq.max);
252 	in.wqe_shift = srq->msrq.wqe_shift - 4;
280 	err = mlx5_cmd_create_srq(dev, &srq->msrq, &in);
287 	mlx5_ib_dbg(dev, "create SRQ with srqn 0x%x\n", srq->msrq.srqn);
289 	srq->msrq.event = mlx5_ib_srq_event;
290 	srq->ibsrq.ext.xrc.srq_num = srq->msrq.srqn;
294 			.srqn = srq->msrq.srqn,
305 	init_attr->attr.max_wr = srq->msrq.max - 1;
310 	mlx5_cmd_destroy_srq(dev, &srq->msrq);
333 		if (attr->srq_limit >= srq->msrq.max)
337 		ret = mlx5_cmd_arm_srq(dev, &srq->msrq, attr->srq_limit, 1);
358 	ret = mlx5_cmd_query_srq(dev, &srq->msrq, out);
363 	srq_attr->max_wr    = srq->msrq.max - 1;
364 	srq_attr->max_sge   = srq->msrq.max_gs;
374 	struct mlx5_ib_srq *msrq = to_msrq(srq);
377 	ret = mlx5_cmd_destroy_srq(dev, &msrq->msrq);
382 		destroy_srq_user(srq->pd, msrq, udata);
384 		destroy_srq_kernel(dev, msrq);
424 		if (unlikely(wr->num_sge > srq->msrq.max_gs)) {
448 		if (i < srq->msrq.max_avail_gather) {