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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/sw
parentIB/iser: Inline two work request conversion functions (diff)
downloadlinux-dev-f696bf6d64b195b83ca1bdb7cd33c999c9dcf514.tar.xz
linux-dev-f696bf6d64b195b83ca1bdb7cd33c999c9dcf514.zip
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/sw')
-rw-r--r--drivers/infiniband/sw/rdmavt/qp.c4
-rw-r--r--drivers/infiniband/sw/rxe/rxe_verbs.c8
2 files changed, 6 insertions, 6 deletions
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c
index d29e3c943399..858c992906c1 100644
--- a/drivers/infiniband/sw/rdmavt/qp.c
+++ b/drivers/infiniband/sw/rdmavt/qp.c
@@ -1620,7 +1620,7 @@ int rvt_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
static inline int rvt_qp_valid_operation(
struct rvt_qp *qp,
const struct rvt_operation_params *post_parms,
- struct ib_send_wr *wr)
+ const struct ib_send_wr *wr)
{
int len;
@@ -1717,7 +1717,7 @@ static inline int rvt_qp_is_avail(
* @wr: the work request to send
*/
static int rvt_post_one_wr(struct rvt_qp *qp,
- struct ib_send_wr *wr,
+ const struct ib_send_wr *wr,
int *call_send)
{
struct rvt_swqe *wqe;
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c
index 1188e163204d..0ea394554c8e 100644
--- a/drivers/infiniband/sw/rxe/rxe_verbs.c
+++ b/drivers/infiniband/sw/rxe/rxe_verbs.c
@@ -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;