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authorBart Van Assche <bart.vanassche@wdc.com>2018-07-18 09:25:14 -0700
committerJason Gunthorpe <jgg@mellanox.com>2018-07-30 20:00:20 -0600
commitf696bf6d64b195b83ca1bdb7cd33c999c9dcf514 (patch)
treec73dddbbb273847bc59b8529da1617799ab7e72f /drivers/infiniband/hw/mthca/mthca_qp.c
parent3e081b773e4c892c1ba2515184072327db9fb29a (diff)
RDMA: Constify the argument of the work request conversion functions
When posting a send work request, the work request that is posted is not modified by any of the RDMA drivers. Make this explicit by constifying most ib_send_wr pointers in RDMA transport drivers. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_qp.c')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index af1c49d70b89..0e390f410b39 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -1488,7 +1488,7 @@ void mthca_free_qp(struct mthca_dev *dev,
/* Create UD header for an MLX send and build a data segment for it */
static int build_mlx_header(struct mthca_dev *dev, struct mthca_sqp *sqp,
- int ind, struct ib_ud_wr *wr,
+ int ind, const struct ib_ud_wr *wr,
struct mthca_mlx_seg *mlx,
struct mthca_data_seg *data)
{
@@ -1581,7 +1581,7 @@ static __always_inline void set_raddr_seg(struct mthca_raddr_seg *rseg,
}
static __always_inline void set_atomic_seg(struct mthca_atomic_seg *aseg,
- struct ib_atomic_wr *wr)
+ const struct ib_atomic_wr *wr)
{
if (wr->wr.opcode == IB_WR_ATOMIC_CMP_AND_SWP) {
aseg->swap_add = cpu_to_be64(wr->swap);
@@ -1594,7 +1594,7 @@ static __always_inline void set_atomic_seg(struct mthca_atomic_seg *aseg,
}
static void set_tavor_ud_seg(struct mthca_tavor_ud_seg *useg,
- struct ib_ud_wr *wr)
+ const struct ib_ud_wr *wr)
{
useg->lkey = cpu_to_be32(to_mah(wr->ah)->key);
useg->av_addr = cpu_to_be64(to_mah(wr->ah)->avdma);
@@ -1604,7 +1604,7 @@ static void set_tavor_ud_seg(struct mthca_tavor_ud_seg *useg,
}
static void set_arbel_ud_seg(struct mthca_arbel_ud_seg *useg,
- struct ib_ud_wr *wr)
+ const struct ib_ud_wr *wr)
{
memcpy(useg->av, to_mah(wr->ah)->av, MTHCA_AV_SIZE);
useg->dqpn = cpu_to_be32(wr->remote_qpn);