IB/rdmavt: Add hardware driver send work request check
Some hardware drivers requires additional checks on send WRs. Create an optional call back to allow hardware drivers to reject a send WR. Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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@ -1394,6 +1394,10 @@ static int rvt_post_one_wr(struct rvt_qp *qp, struct ib_send_wr *wr)
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if (next == qp->s_last)
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return -ENOMEM;
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if (rdi->driver_f.check_send_wr &&
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rdi->driver_f.check_send_wr(qp, wr))
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return -EINVAL;
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rkt = &rdi->lkey_table;
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pd = ibpd_to_rvtpd(qp->ibqp.pd);
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wqe = rvt_get_swqe_ptr(qp, qp->s_head);
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@ -265,6 +265,8 @@ struct rvt_driver_provided {
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void (*modify_qp)(struct rvt_qp *qp, struct ib_qp_attr *attr,
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int attr_mask, struct ib_udata *udata);
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int (*check_send_wr)(struct rvt_qp *qp, struct ib_send_wr *wr);
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void (*notify_create_mad_agent)(struct rvt_dev_info *rdi, int port_idx);
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void (*notify_free_mad_agent)(struct rvt_dev_info *rdi, int port_idx);
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};
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