Commit feaeb6e2 authored by Harish Chegondi's avatar Harish Chegondi Committed by Doug Ledford
Browse files

IB/rdmavt: Add support for rvt_query_device function 



With this commit, the drivers using rdmavt need not define query_device
function. But they should fill in the IB device attributes structure
rvt_dev_info.dparms.props

Reviewed-by: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: default avatarHarish Chegondi <harish.chegondi@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent fef2efd6

drivers/infiniband/sw/rdmavt/vt.c

+7 −2
Original line number Diff line number Diff line
@@ -68,10 +68,15 @@ static int rvt_query_device(struct ib_device *ibdev, 
			    struct ib_device_attr *props,

			    struct ib_udata *uhw)

{

	struct rvt_dev_info *rdi = ib_to_rvt(ibdev);



	if (uhw->inlen || uhw->outlen)

		return -EINVAL;

	/*

	 * Return rvt_dev_info.props contents

	 * Return rvt_dev_info.dparms.props contents

	 */

	return -EOPNOTSUPP;

	*props = rdi->dparms.props;

	return 0;

}



static int rvt_modify_device(struct ib_device *device,

include/rdma/rdma_vt.h

+4 −1
Original line number Diff line number Diff line
@@ -245,7 +245,10 @@ struct rvt_dev_info { 
	 * allocating space for this structure.

	 *

	 * The driver will also be responsible for filling in certain members of

	 * dparms.props

	 * dparms.props. The driver needs to fill in dparms exactly as it would

	 * want values reported to a ULP. This will be returned to the caller

	 * in rdmavt's device. The driver should also therefore refrain from

	 * modifying this directly after registration with rdmavt.

	 */



	/* Driver specific properties */

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