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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/sw/rxe/rxe_verbs.c
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@@ -554,7 +554,7 @@ static int rxe_destroy_qp(struct ib_qp *ibqp)
return 0;
}
static int validate_send_wr(struct rxe_qp *qp, struct ib_send_wr *ibwr,
static int validate_send_wr(struct rxe_qp *qp, const struct ib_send_wr *ibwr,
unsigned int mask, unsigned int length)
{
int num_sge = ibwr->num_sge;
@@ -582,7 +582,7 @@ err1:
}
static void init_send_wr(struct rxe_qp *qp, struct rxe_send_wr *wr,
struct ib_send_wr *ibwr)
const struct ib_send_wr *ibwr)
{
wr->wr_id = ibwr->wr_id;
wr->num_sge = ibwr->num_sge;
@@ -637,7 +637,7 @@ static void init_send_wr(struct rxe_qp *qp, struct rxe_send_wr *wr,
}
}
static int init_send_wqe(struct rxe_qp *qp, struct ib_send_wr *ibwr,
static int init_send_wqe(struct rxe_qp *qp, const struct ib_send_wr *ibwr,
unsigned int mask, unsigned int length,
struct rxe_send_wqe *wqe)
{
@@ -685,7 +685,7 @@ static int init_send_wqe(struct rxe_qp *qp, struct ib_send_wr *ibwr,
return 0;
}
static int post_one_send(struct rxe_qp *qp, struct ib_send_wr *ibwr,
static int post_one_send(struct rxe_qp *qp, const struct ib_send_wr *ibwr,
unsigned int mask, u32 length)
{
int err;