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authorBart Van Assche <bart.vanassche@wdc.com>2018-07-18 19:25:14 +0300
committerJason Gunthorpe <jgg@mellanox.com>2018-07-31 05:00:20 +0300
commitf696bf6d64b195b83ca1bdb7cd33c999c9dcf514 (patch)
treec73dddbbb273847bc59b8529da1617799ab7e72f /drivers/infiniband/hw/qedr
parent3e081b773e4c892c1ba2515184072327db9fb29a (diff)
downloadlinux-f696bf6d64b195b83ca1bdb7cd33c999c9dcf514.tar.xz
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/qedr')
-rw-r--r--drivers/infiniband/hw/qedr/qedr_roce_cm.c4
-rw-r--r--drivers/infiniband/hw/qedr/verbs.c7
2 files changed, 6 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/qedr/qedr_roce_cm.c b/drivers/infiniband/hw/qedr/qedr_roce_cm.c
index 2e1f352c037d..b5d49740bf8a 100644
--- a/drivers/infiniband/hw/qedr/qedr_roce_cm.c
+++ b/drivers/infiniband/hw/qedr/qedr_roce_cm.c
@@ -380,7 +380,7 @@ int qedr_destroy_gsi_qp(struct qedr_dev *dev)
#define QEDR_GSI_QPN (1)
static inline int qedr_gsi_build_header(struct qedr_dev *dev,
struct qedr_qp *qp,
- struct ib_send_wr *swr,
+ const struct ib_send_wr *swr,
struct ib_ud_header *udh,
int *roce_mode)
{
@@ -488,7 +488,7 @@ static inline int qedr_gsi_build_header(struct qedr_dev *dev,
static inline int qedr_gsi_build_packet(struct qedr_dev *dev,
struct qedr_qp *qp,
- struct ib_send_wr *swr,
+ const struct ib_send_wr *swr,
struct qed_roce_ll2_packet **p_packet)
{
u8 ud_header_buffer[QEDR_MAX_UD_HEADER_SIZE];
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index b82c5d5fb0e3..34d8b5580138 100644
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -2781,7 +2781,7 @@ static u32 qedr_prepare_sq_inline_data(struct qedr_dev *dev,
} while (0)
static u32 qedr_prepare_sq_sges(struct qedr_qp *qp, u8 *wqe_size,
- struct ib_send_wr *wr)
+ const struct ib_send_wr *wr)
{
u32 data_size = 0;
int i;
@@ -2845,7 +2845,7 @@ static u32 qedr_prepare_sq_send_data(struct qedr_dev *dev,
static int qedr_prepare_reg(struct qedr_qp *qp,
struct rdma_sq_fmr_wqe_1st *fwqe1,
- struct ib_reg_wr *wr)
+ const struct ib_reg_wr *wr)
{
struct qedr_mr *mr = get_qedr_mr(wr->mr);
struct rdma_sq_fmr_wqe_2nd *fwqe2;
@@ -2907,7 +2907,8 @@ static enum ib_wc_opcode qedr_ib_to_wc_opcode(enum ib_wr_opcode opcode)
}
}
-static inline bool qedr_can_post_send(struct qedr_qp *qp, struct ib_send_wr *wr)
+static inline bool qedr_can_post_send(struct qedr_qp *qp,
+ const struct ib_send_wr *wr)
{
int wq_is_full, err_wr, pbl_is_full;
struct qedr_dev *dev = qp->dev;