int mlx5_wq_cyc_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *wqc, struct mlx5_wq_cyc *wq,
struct mlx5_wq_ctrl *wq_ctrl)
{
int err;
wq->log_stride = MLX5_GET(wq, wqc, log_wq_stride);
wq->sz_m1 = (1 << MLX5_GET(wq, wqc, log_wq_sz)) - 1;
err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err);
return err;
}
err = mlx5_buf_alloc_node(mdev, mlx5_wq_cyc_get_byte_size(wq),
&wq_ctrl->buf, param->buf_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_buf_alloc_node() failed, %d\n", err);
goto err_db_free;
}
wq->buf = wq_ctrl->buf.direct.buf;
wq->db = wq_ctrl->db.db;
wq_ctrl->mdev = mdev;
return 0;
err_db_free:
mlx5_db_free(mdev, &wq_ctrl->db);
return err;
}
static void mlx5_qp_set_frag_buf(struct mlx5_frag_buf *buf,
struct mlx5_wq_qp *qp)
{
struct mlx5_frag_buf_ctrl *sq_fbc;
struct mlx5_frag_buf *rqb, *sqb;
rqb = &qp->rq.fbc.frag_buf;
*rqb = *buf;
rqb->size = mlx5_wq_cyc_get_byte_size(&qp->rq);
rqb->npages = DIV_ROUND_UP(rqb->size, PAGE_SIZE);
sq_fbc = &qp->sq.fbc;
sqb = &sq_fbc->frag_buf;
*sqb = *buf;
sqb->size = mlx5_wq_cyc_get_byte_size(&qp->sq);
sqb->npages = DIV_ROUND_UP(sqb->size, PAGE_SIZE);
sqb->frags += rqb->npages; /* first part is for the rq */
if (sq_fbc->strides_offset)
sqb->frags--;
}
int mlx5_wq_qp_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *qpc, struct mlx5_wq_qp *wq,
struct mlx5_wq_ctrl *wq_ctrl)
{
u16 sq_strides_offset;
u32 rq_pg_remainder;
int err;
mlx5_fill_fbc(MLX5_GET(qpc, qpc, log_rq_stride) + 4,
MLX5_GET(qpc, qpc, log_rq_size),
&wq->rq.fbc);
rq_pg_remainder = mlx5_wq_cyc_get_byte_size(&wq->rq) % PAGE_SIZE;
sq_strides_offset = rq_pg_remainder / MLX5_SEND_WQE_BB;
mlx5_fill_fbc_offset(ilog2(MLX5_SEND_WQE_BB),
MLX5_GET(qpc, qpc, log_sq_size),
sq_strides_offset,
&wq->sq.fbc);
err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err);
return err;
}
err = mlx5_frag_buf_alloc_node(mdev, mlx5_wq_qp_get_byte_size(wq),
&wq_ctrl->buf, param->buf_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_frag_buf_alloc_node() failed, %d\n", err);
goto err_db_free;
}
mlx5_qp_set_frag_buf(&wq_ctrl->buf, wq);
wq->rq.db = &wq_ctrl->db.db[MLX5_RCV_DBR];
wq->sq.db = &wq_ctrl->db.db[MLX5_SND_DBR];
wq_ctrl->mdev = mdev;
return 0;
err_db_free:
mlx5_db_free(mdev, &wq_ctrl->db);
return err;
}
int mlx5_wq_cyc_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *wqc, struct mlx5_wq_cyc *wq,
struct mlx5_wq_ctrl *wq_ctrl)
{
struct mlx5_frag_buf_ctrl *fbc = &wq->fbc;
int err;
mlx5_fill_fbc(MLX5_GET(wq, wqc, log_wq_stride),
MLX5_GET(wq, wqc, log_wq_sz),
fbc);
wq->sz = wq->fbc.sz_m1 + 1;
err = mlx5_db_alloc_node(mdev, &wq_ctrl->db, param->db_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_db_alloc_node() failed, %d\n", err);
return err;
}
err = mlx5_frag_buf_alloc_node(mdev, mlx5_wq_cyc_get_byte_size(wq),
&wq_ctrl->buf, param->buf_numa_node);
if (err) {
mlx5_core_warn(mdev, "mlx5_frag_buf_alloc_node() failed, %d\n", err);
goto err_db_free;
}
fbc->frag_buf = wq_ctrl->buf;
wq->db = wq_ctrl->db.db;
wq_ctrl->mdev = mdev;
return 0;
err_db_free:
mlx5_db_free(mdev, &wq_ctrl->db);
return err;
}
static u32 mlx5_wq_qp_get_byte_size(struct mlx5_wq_qp *wq)
{
return mlx5_wq_cyc_get_byte_size(&wq->rq) +
mlx5_wq_cyc_get_byte_size(&wq->sq);
}
