diff options
| -rw-r--r-- | drivers/infiniband/hw/mlx4/cq.c | 8 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx4/qp.c | 6 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx4/srq.c | 8 | ||||
| -rw-r--r-- | include/linux/mlx4/device.h | 8 |
4 files changed, 11 insertions, 19 deletions
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c index 7950aa6e818..8ac7b973f87 100644 --- a/drivers/infiniband/hw/mlx4/cq.c +++ b/drivers/infiniband/hw/mlx4/cq.c @@ -64,13 +64,7 @@ static void mlx4_ib_cq_event(struct mlx4_cq *cq, enum mlx4_event type) static void *get_cqe_from_buf(struct mlx4_ib_cq_buf *buf, int n) { - int offset = n * sizeof (struct mlx4_cqe); - - if (buf->buf.nbufs == 1) - return buf->buf.u.direct.buf + offset; - else - return buf->buf.u.page_list[offset >> PAGE_SHIFT].buf + - (offset & (PAGE_SIZE - 1)); + return mlx4_buf_offset(&buf->buf, n * sizeof (struct mlx4_cqe)); } static void *get_cqe(struct mlx4_ib_cq *cq, int n) diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 8cba9c532e6..376db730bc7 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -96,11 +96,7 @@ static int is_qp0(struct mlx4_ib_dev *dev, struct mlx4_ib_qp *qp) static void *get_wqe(struct mlx4_ib_qp *qp, int offset) { - if (qp->buf.nbufs == 1) - return qp->buf.u.direct.buf + offset; - else - return qp->buf.u.page_list[offset >> PAGE_SHIFT].buf + - (offset & (PAGE_SIZE - 1)); + return mlx4_buf_offset(&qp->buf, offset); } static void *get_recv_wqe(struct mlx4_ib_qp *qp, int n) diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c index e7e9a3d0dac..beaa3b06cf5 100644 --- a/drivers/infiniband/hw/mlx4/srq.c +++ b/drivers/infiniband/hw/mlx4/srq.c @@ -38,13 +38,7 @@ static void *get_wqe(struct mlx4_ib_srq *srq, int n) { - int offset = n << srq->msrq.wqe_shift; - - if (srq->buf.nbufs == 1) - return srq->buf.u.direct.buf + offset; - else - return srq->buf.u.page_list[offset >> PAGE_SHIFT].buf + - (offset & (PAGE_SIZE - 1)); + return mlx4_buf_offset(&srq->buf, n << srq->msrq.wqe_shift); } static void mlx4_ib_srq_event(struct mlx4_srq *srq, enum mlx4_event type) diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 222815d91c4..a0afa7511a3 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -308,6 +308,14 @@ struct mlx4_init_port_param { int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct, struct mlx4_buf *buf); void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf); +static inline void *mlx4_buf_offset(struct mlx4_buf *buf, int offset) +{ + if (buf->nbufs == 1) + return buf->u.direct.buf + offset; + else + return buf->u.page_list[offset >> PAGE_SHIFT].buf + + (offset & (PAGE_SIZE - 1)); +} int mlx4_pd_alloc(struct mlx4_dev *dev, u32 *pdn); void mlx4_pd_free(struct mlx4_dev *dev, u32 pdn); |