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authorDasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>2017-06-08 13:37:43 -0400
committerDoug Ledford <dledford@redhat.com>2017-08-08 14:47:18 -0400
commitd541e45500bd269060c26387902e1bec9783c07c (patch)
treee037b7043bdca2f9801c2b297190f2531f75a00e /drivers/infiniband/core/ucma.c
parentLinux 4.13-rc2 (diff)
downloadlinux-dev-d541e45500bd269060c26387902e1bec9783c07c.tar.xz
linux-dev-d541e45500bd269060c26387902e1bec9783c07c.zip
IB/core: Convert ah_attr from OPA to IB when copying to user
OPA address handle atttibutes that have 32 bit LIDs would have to be converted to IB address handle attribute with the LID field programmed in the GID before copying to user space. Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com> Reviewed-by: Don Hiatt <don.hiatt@intel.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/core/ucma.c')
-rw-r--r--drivers/infiniband/core/ucma.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 276f0ef835bd..eb85b546e223 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -248,14 +248,15 @@ static void ucma_copy_conn_event(struct rdma_ucm_conn_param *dst,
dst->qp_num = src->qp_num;
}
-static void ucma_copy_ud_event(struct rdma_ucm_ud_param *dst,
+static void ucma_copy_ud_event(struct ib_device *device,
+ struct rdma_ucm_ud_param *dst,
struct rdma_ud_param *src)
{
if (src->private_data_len)
memcpy(dst->private_data, src->private_data,
src->private_data_len);
dst->private_data_len = src->private_data_len;
- ib_copy_ah_attr_to_user(&dst->ah_attr, &src->ah_attr);
+ ib_copy_ah_attr_to_user(device, &dst->ah_attr, &src->ah_attr);
dst->qp_num = src->qp_num;
dst->qkey = src->qkey;
}
@@ -335,7 +336,8 @@ static int ucma_event_handler(struct rdma_cm_id *cm_id,
uevent->resp.event = event->event;
uevent->resp.status = event->status;
if (cm_id->qp_type == IB_QPT_UD)
- ucma_copy_ud_event(&uevent->resp.param.ud, &event->param.ud);
+ ucma_copy_ud_event(cm_id->device, &uevent->resp.param.ud,
+ &event->param.ud);
else
ucma_copy_conn_event(&uevent->resp.param.conn,
&event->param.conn);
@@ -1157,7 +1159,7 @@ static ssize_t ucma_init_qp_attr(struct ucma_file *file,
if (ret)
goto out;
- ib_copy_qp_attr_to_user(&resp, &qp_attr);
+ ib_copy_qp_attr_to_user(ctx->cm_id->device, &resp, &qp_attr);
if (copy_to_user((void __user *)(unsigned long)cmd.response,
&resp, sizeof(resp)))
ret = -EFAULT;