IB/rdmavt: Add query gid support.
Addin query gid support. Rdmavt still relies on the driver to maintain the gid table. Rdmavt simply calls into the driver to retrive the guid for a particular port. Reviewed-by: Harish Chegondi <harish.chegondi@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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@ -210,17 +210,28 @@ static int rvt_query_pkey(struct ib_device *ibdev, u8 port_num, u16 index,
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* Returns 0 on success
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*/
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static int rvt_query_gid(struct ib_device *ibdev, u8 port_num,
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int index, union ib_gid *gid)
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int guid_index, union ib_gid *gid)
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{
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struct rvt_dev_info *rdi;
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struct rvt_ibport *rvp;
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int port_index;
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/*
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* Driver is responsible for updating the guid table. Which will be used
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* to craft the return value. This will work similar to how query_pkey()
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* is being done.
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*/
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if (ibport_num_to_idx(ibdev, port_num) < 0)
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port_index = ibport_num_to_idx(ibdev, port_num);
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if (port_index < 0)
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return -EINVAL;
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return -EOPNOTSUPP;
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rdi = ib_to_rvt(ibdev);
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rvp = rdi->ports[port_index];
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gid->global.subnet_prefix = rvp->gid_prefix;
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return rdi->driver_f.get_guid_be(rdi, rvp, guid_index,
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&gid->global.interface_id);
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}
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struct rvt_ucontext {
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@ -248,6 +248,8 @@ struct rvt_driver_provided {
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u32 (*mtu_from_qp)(struct rvt_dev_info *rdi, struct rvt_qp *qp,
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u32 pmtu);
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int (*mtu_to_path_mtu)(u32 mtu);
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int (*get_guid_be)(struct rvt_dev_info *rdi, struct rvt_ibport *rvp,
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int guid_index, __be64 *guid);
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/*--------------------*/
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/* Optional functions */
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