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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/ocrdma
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/hw/ocrdma')
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_verbs.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 86b22f6b7271..5da1d0b88d1a 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -1953,7 +1953,7 @@ int ocrdma_destroy_srq(struct ib_srq *ibsrq)
/* unprivileged verbs and their support functions. */
static void ocrdma_build_ud_hdr(struct ocrdma_qp *qp,
struct ocrdma_hdr_wqe *hdr,
- struct ib_send_wr *wr)
+ const struct ib_send_wr *wr)
{
struct ocrdma_ewqe_ud_hdr *ud_hdr =
(struct ocrdma_ewqe_ud_hdr *)(hdr + 1);
@@ -2000,7 +2000,7 @@ static inline uint32_t ocrdma_sglist_len(struct ib_sge *sg_list, int num_sge)
static int ocrdma_build_inline_sges(struct ocrdma_qp *qp,
struct ocrdma_hdr_wqe *hdr,
struct ocrdma_sge *sge,
- struct ib_send_wr *wr, u32 wqe_size)
+ const struct ib_send_wr *wr, u32 wqe_size)
{
int i;
char *dpp_addr;
@@ -2038,7 +2038,7 @@ static int ocrdma_build_inline_sges(struct ocrdma_qp *qp,
}
static int ocrdma_build_send(struct ocrdma_qp *qp, struct ocrdma_hdr_wqe *hdr,
- struct ib_send_wr *wr)
+ const struct ib_send_wr *wr)
{
int status;
struct ocrdma_sge *sge;
@@ -2057,7 +2057,7 @@ static int ocrdma_build_send(struct ocrdma_qp *qp, struct ocrdma_hdr_wqe *hdr,
}
static int ocrdma_build_write(struct ocrdma_qp *qp, struct ocrdma_hdr_wqe *hdr,
- struct ib_send_wr *wr)
+ const struct ib_send_wr *wr)
{
int status;
struct ocrdma_sge *ext_rw = (struct ocrdma_sge *)(hdr + 1);
@@ -2075,7 +2075,7 @@ static int ocrdma_build_write(struct ocrdma_qp *qp, struct ocrdma_hdr_wqe *hdr,
}
static void ocrdma_build_read(struct ocrdma_qp *qp, struct ocrdma_hdr_wqe *hdr,
- struct ib_send_wr *wr)
+ const struct ib_send_wr *wr)
{
struct ocrdma_sge *ext_rw = (struct ocrdma_sge *)(hdr + 1);
struct ocrdma_sge *sge = ext_rw + 1;
@@ -2105,7 +2105,7 @@ static int get_encoded_page_size(int pg_sz)
static int ocrdma_build_reg(struct ocrdma_qp *qp,
struct ocrdma_hdr_wqe *hdr,
- struct ib_reg_wr *wr)
+ const struct ib_reg_wr *wr)
{
u64 fbo;
struct ocrdma_ewqe_fr *fast_reg = (struct ocrdma_ewqe_fr *)(hdr + 1);