[PATCH] IB/mthca: fill in more device query fields

Implement more of the device_query method in mthca.

Signed-off-by: Roland Dreier <roland@topspin.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 20 insertions, 4 deletions

diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c
index 9def0981f630..1bc1ce758165 100644
--- a/drivers/infiniband/hw/mthca/mthca_cmd.c
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c
@@ -987,6 +987,8 @@ int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,
         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);
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index bbf74cf43343..132fcb854c1a 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -52,6 +52,8 @@ static int mthca_query_device(struct ib_device *ibdev,
         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 @@ static int mthca_query_device(struct ib_device *ibdev,
                 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);