[IB] mthca: Better limit checking and reporting

[safe/jmp/linux-2.6] / drivers / infiniband / hw / mthca / mthca_cmd.c

diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c
index f6a8ac0..1bd7dc8 100644 (file)
--- a/drivers/infiniband/hw/mthca/mthca_cmd.c
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c
@@ -933,9 +933,9 @@ int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,
                goto out;
 
        MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_SRQ_SZ_OFFSET);
-       dev_lim->max_srq_sz = 1 << field;
+       dev_lim->max_srq_sz = (1 << field) - 1;
        MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_QP_SZ_OFFSET);
-       dev_lim->max_qp_sz = 1 << field;
+       dev_lim->max_qp_sz = (1 << field) - 1;
        MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_QP_OFFSET);
        dev_lim->reserved_qps = 1 << (field & 0xf);
        MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_QP_OFFSET);
@@ -1045,6 +1045,8 @@ int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,
                  dev_lim->max_pds, dev_lim->reserved_pds, dev_lim->reserved_uars);
        mthca_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n",
                  dev_lim->max_pds, dev_lim->reserved_mgms);
+       mthca_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n",
+                 dev_lim->max_cq_sz, dev_lim->max_qp_sz, dev_lim->max_srq_sz);
 
        mthca_dbg(dev, "Flags: %08x\n", dev_lim->flags);