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IB/core: Convert ah_attr from OPA to IB when copying to user

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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>
This commit is contained in:
Dasaratharaman Chandramouli
2017-06-08 13:37:43 -04:00
committed by Doug Ledford
parent 520eccdfe1
commit d541e45500
4 changed files with 54 additions and 12 deletions
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10
drivers/infiniband/core/ucma.c
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@@ -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;