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IB/ehca: Add check for max #SGE to create_qp()

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Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Joachim Fenkes
2007-09-11 15:33:40 +02:00
committed by Roland Dreier
parent 86dce445e0
commit b708fba3c2
1 changed files with 13 additions and 1 deletions
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14
drivers/infiniband/hw/ehca/ehca_qp.c
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@@ -513,7 +513,7 @@ static struct ehca_qp *internal_create_qp(
} else if (init_attr->cap.max_send_wr > 255) { } else if (init_attr->cap.max_send_wr > 255) {
ehca_err(pd->device, ehca_err(pd->device,
"Invalid Number of " "Invalid Number of "
"ax_send_wr=%x for UD QP_TYPE=%x", "max_send_wr=%x for UD QP_TYPE=%x",
init_attr->cap.max_send_wr, qp_type); init_attr->cap.max_send_wr, qp_type);
return ERR_PTR(-EINVAL); return ERR_PTR(-EINVAL);
} }
@@ -524,6 +524,18 @@ static struct ehca_qp *internal_create_qp(
return ERR_PTR(-EINVAL); return ERR_PTR(-EINVAL);
break; break;
} }
} else {
int max_sge = (qp_type == IB_QPT_UD || qp_type == IB_QPT_SMI
|| qp_type == IB_QPT_GSI) ? 250 : 252;
if (init_attr->cap.max_send_sge > max_sge
|| init_attr->cap.max_recv_sge > max_sge) {
ehca_err(pd->device, "Invalid number of SGEs requested "
"send_sge=%x recv_sge=%x max_sge=%x",
init_attr->cap.max_send_sge,
init_attr->cap.max_recv_sge, max_sge);
return ERR_PTR(-EINVAL);
}
} }
if (pd->uobject && udata) if (pd->uobject && udata)