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RDMA: Constify the argument of the work request conversion functions

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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>
This commit is contained in:
Bart Van Assche
2018-07-18 09:25:14 -07:00
committed by Jason Gunthorpe
parent 3e081b773e
commit f696bf6d64
18 changed files with 97 additions and 88 deletions
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8
drivers/infiniband/hw/mthca/mthca_qp.c
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@@ -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);