[PATCH][2/27] IB/mthca: fill in more device query fields

Roland Dreier
2005-04-01T20:51:36Z

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);