[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>

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);

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);
@@ -79,6 +81,18 @@ static int mthca_query_device(struct ib_device *ibdev,
 	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);