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: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Harish Chegondi <harish.chegondi@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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@ -68,10 +68,15 @@ static int rvt_query_device(struct ib_device *ibdev,
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struct ib_device_attr *props,
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struct ib_udata *uhw)
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{
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struct rvt_dev_info *rdi = ib_to_rvt(ibdev);
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if (uhw->inlen || uhw->outlen)
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return -EINVAL;
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/*
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* Return rvt_dev_info.props contents
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* Return rvt_dev_info.dparms.props contents
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*/
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return -EOPNOTSUPP;
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*props = rdi->dparms.props;
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return 0;
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}
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static int rvt_modify_device(struct ib_device *device,
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@ -245,7 +245,10 @@ struct rvt_dev_info {
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* allocating space for this structure.
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*
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* The driver will also be responsible for filling in certain members of
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* dparms.props
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* dparms.props. The driver needs to fill in dparms exactly as it would
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* want values reported to a ULP. This will be returned to the caller
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* in rdmavt's device. The driver should also therefore refrain from
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* modifying this directly after registration with rdmavt.
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*/
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/* Driver specific properties */
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