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    Subject[PATCH][2/27] IB/mthca: fill in more device query fields
    Date
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    Implement more of the device_query method in mthca.

    Signed-off-by: Roland Dreier <roland@topspin.com>


    --- linux-export.orig/drivers/infiniband/hw/mthca/mthca_cmd.c 2005-03-31 19:07:00.000000000 -0800
    +++ linux-export/drivers/infiniband/hw/mthca/mthca_cmd.c 2005-04-01 12:38:20.843436141 -0800
    @@ -987,6 +987,8 @@
    if (dev->hca_type == ARBEL_NATIVE) {
    MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSZ_SRQ_OFFSET);
    dev_lim->hca.arbel.resize_srq = field & 1;
    + MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_SG_RQ_OFFSET);
    + dev_lim->max_sg = min_t(int, field, dev_lim->max_sg);
    MTHCA_GET(size, outbox, QUERY_DEV_LIM_MTT_ENTRY_SZ_OFFSET);
    dev_lim->mtt_seg_sz = size;
    MTHCA_GET(size, outbox, QUERY_DEV_LIM_MPT_ENTRY_SZ_OFFSET);
    --- linux-export.orig/drivers/infiniband/hw/mthca/mthca_provider.c 2005-03-31 19:07:00.000000000 -0800
    +++ linux-export/drivers/infiniband/hw/mthca/mthca_provider.c 2005-04-01 12:38:20.839437009 -0800
    @@ -52,6 +52,8 @@
    if (!in_mad || !out_mad)
    goto out;

    + memset(props, 0, sizeof props);
    +
    props->fw_ver = mdev->fw_ver;

    memset(in_mad, 0, sizeof *in_mad);
    @@ -71,14 +73,26 @@
    goto out;
    }

    - props->device_cap_flags = mdev->device_cap_flags;
    - props->vendor_id = be32_to_cpup((u32 *) (out_mad->data + 36)) &
    + props->device_cap_flags = mdev->device_cap_flags;
    + props->vendor_id = be32_to_cpup((u32 *) (out_mad->data + 36)) &
    0xffffff;
    - props->vendor_part_id = be16_to_cpup((u16 *) (out_mad->data + 30));
    - props->hw_ver = be16_to_cpup((u16 *) (out_mad->data + 32));
    + props->vendor_part_id = be16_to_cpup((u16 *) (out_mad->data + 30));
    + props->hw_ver = be16_to_cpup((u16 *) (out_mad->data + 32));
    memcpy(&props->sys_image_guid, out_mad->data + 4, 8);
    memcpy(&props->node_guid, out_mad->data + 12, 8);

    + props->max_mr_size = ~0ull;
    + props->max_qp = mdev->limits.num_qps - mdev->limits.reserved_qps;
    + props->max_qp_wr = 0xffff;
    + props->max_sge = mdev->limits.max_sg;
    + props->max_cq = mdev->limits.num_cqs - mdev->limits.reserved_cqs;
    + props->max_cqe = 0xffff;
    + props->max_mr = mdev->limits.num_mpts - mdev->limits.reserved_mrws;
    + props->max_pd = mdev->limits.num_pds - mdev->limits.reserved_pds;
    + props->max_qp_rd_atom = 1 << mdev->qp_table.rdb_shift;
    + props->max_qp_init_rd_atom = 1 << mdev->qp_table.rdb_shift;
    + props->local_ca_ack_delay = mdev->limits.local_ca_ack_delay;
    +
    err = 0;
    out:
    kfree(in_mad);
    -
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