diff options
| -rw-r--r-- | drivers/infiniband/hw/mlx5/cq.c | 102 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx5/mlx5_ib.h | 2 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx5/qp.c | 1 |
3 files changed, 5 insertions, 100 deletions
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c index 0b99f7d0630d..95a29e85522e 100644 --- a/drivers/infiniband/hw/mlx5/cq.c +++ b/drivers/infiniband/hw/mlx5/cq.c @@ -330,67 +330,6 @@ static void mlx5_handle_error_cqe(struct mlx5_ib_dev *dev, dump_cqe(dev, cqe); } -static int is_atomic_response(struct mlx5_ib_qp *qp, uint16_t idx) -{ - /* TBD: waiting decision - */ - return 0; -} - -static void *mlx5_get_atomic_laddr(struct mlx5_ib_qp *qp, uint16_t idx) -{ - struct mlx5_wqe_data_seg *dpseg; - void *addr; - - dpseg = mlx5_get_send_wqe(qp, idx) + sizeof(struct mlx5_wqe_ctrl_seg) + - sizeof(struct mlx5_wqe_raddr_seg) + - sizeof(struct mlx5_wqe_atomic_seg); - addr = (void *)(unsigned long)be64_to_cpu(dpseg->addr); - return addr; -} - -static void handle_atomic(struct mlx5_ib_qp *qp, struct mlx5_cqe64 *cqe64, - uint16_t idx) -{ - void *addr; - int byte_count; - int i; - - if (!is_atomic_response(qp, idx)) - return; - - byte_count = be32_to_cpu(cqe64->byte_cnt); - addr = mlx5_get_atomic_laddr(qp, idx); - - if (byte_count == 4) { - *(uint32_t *)addr = be32_to_cpu(*((__be32 *)addr)); - } else { - for (i = 0; i < byte_count; i += 8) { - *(uint64_t *)addr = be64_to_cpu(*((__be64 *)addr)); - addr += 8; - } - } - - return; -} - -static void handle_atomics(struct mlx5_ib_qp *qp, struct mlx5_cqe64 *cqe64, - u16 tail, u16 head) -{ - u16 idx; - - do { - idx = tail & (qp->sq.wqe_cnt - 1); - handle_atomic(qp, cqe64, idx); - if (idx == head) - break; - - tail = qp->sq.w_list[idx].next; - } while (1); - tail = qp->sq.w_list[idx].next; - qp->sq.last_poll = tail; -} - static void free_cq_buf(struct mlx5_ib_dev *dev, struct mlx5_ib_cq_buf *buf) { mlx5_frag_buf_free(dev->mdev, &buf->frag_buf); @@ -428,45 +367,15 @@ static void get_sig_err_item(struct mlx5_sig_err_cqe *cqe, item->key = be32_to_cpu(cqe->mkey); } -static void sw_send_comp(struct mlx5_ib_qp *qp, int num_entries, - struct ib_wc *wc, int *npolled) -{ - struct mlx5_ib_wq *wq; - unsigned int cur; - unsigned int idx; - int np; - int i; - - wq = &qp->sq; - cur = wq->head - wq->tail; - np = *npolled; - - if (cur == 0) - return; - - for (i = 0; i < cur && np < num_entries; i++) { - idx = wq->last_poll & (wq->wqe_cnt - 1); - wc->wr_id = wq->wrid[idx]; - wc->status = IB_WC_WR_FLUSH_ERR; - wc->vendor_err = MLX5_CQE_SYNDROME_WR_FLUSH_ERR; - wq->tail++; - np++; - wc->qp = &qp->ibqp; - wc++; - wq->last_poll = wq->w_list[idx].next; - } - *npolled = np; -} - -static void sw_recv_comp(struct mlx5_ib_qp *qp, int num_entries, - struct ib_wc *wc, int *npolled) +static void sw_comp(struct mlx5_ib_qp *qp, int num_entries, struct ib_wc *wc, + int *npolled, int is_send) { struct mlx5_ib_wq *wq; unsigned int cur; int np; int i; - wq = &qp->rq; + wq = (is_send) ? &qp->sq : &qp->rq; cur = wq->head - wq->tail; np = *npolled; @@ -493,13 +402,13 @@ static void mlx5_ib_poll_sw_comp(struct mlx5_ib_cq *cq, int num_entries, *npolled = 0; /* Find uncompleted WQEs belonging to that cq and return mmics ones */ list_for_each_entry(qp, &cq->list_send_qp, cq_send_list) { - sw_send_comp(qp, num_entries, wc + *npolled, npolled); + sw_comp(qp, num_entries, wc + *npolled, npolled, true); if (*npolled >= num_entries) return; } list_for_each_entry(qp, &cq->list_recv_qp, cq_recv_list) { - sw_recv_comp(qp, num_entries, wc + *npolled, npolled); + sw_comp(qp, num_entries, wc + *npolled, npolled, false); if (*npolled >= num_entries) return; } @@ -567,7 +476,6 @@ repoll: wqe_ctr = be16_to_cpu(cqe64->wqe_counter); idx = wqe_ctr & (wq->wqe_cnt - 1); handle_good_req(wc, cqe64, wq, idx); - handle_atomics(*cur_qp, cqe64, wq->last_poll, idx); wc->wr_id = wq->wrid[idx]; wq->tail = wq->wqe_head[idx] + 1; wc->status = IB_WC_SUCCESS; diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 8fd3de05cdba..1285ac11bb70 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -275,7 +275,6 @@ struct mlx5_ib_wq { unsigned head; unsigned tail; u16 cur_post; - u16 last_poll; void *cur_edge; }; @@ -1070,7 +1069,6 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr, const struct ib_send_wr **bad_wr); int mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr, const struct ib_recv_wr **bad_wr); -void *mlx5_get_send_wqe(struct mlx5_ib_qp *qp, int n); int mlx5_ib_read_user_wqe(struct mlx5_ib_qp *qp, int send, int wqe_index, void *buffer, u32 length, struct mlx5_ib_qp_base *base); diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 4a85748aeeea..2ceb8f68f605 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -3516,7 +3516,6 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp, qp->sq.cur_post = 0; if (qp->sq.wqe_cnt) qp->sq.cur_edge = get_sq_edge(&qp->sq, 0); - qp->sq.last_poll = 0; qp->db.db[MLX5_RCV_DBR] = 0; qp->db.db[MLX5_SND_DBR] = 0; } |