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Subject[patch 164/198] IB/mthca: fill in more device query fields
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From: Roland Dreier <roland@topspin.com>

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>
---

25-akpm/drivers/infiniband/hw/mthca/mthca_cmd.c | 2 +
25-akpm/drivers/infiniband/hw/mthca/mthca_provider.c | 22 +++++++++++++++----
2 files changed, 20 insertions(+), 4 deletions(-)

diff -puN drivers/infiniband/hw/mthca/mthca_cmd.c~ib-mthca-fill-in-more-device-query-fields drivers/infiniband/hw/mthca/mthca_cmd.c
--- 25/drivers/infiniband/hw/mthca/mthca_cmd.c~ib-mthca-fill-in-more-device-query-fields 2005-04-12 03:21:42.632655752 -0700
+++ 25-akpm/drivers/infiniband/hw/mthca/mthca_cmd.c 2005-04-12 03:21:42.638654840 -0700
@@ -987,6 +987,8 @@ int mthca_QUERY_DEV_LIM(struct mthca_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 -puN drivers/infiniband/hw/mthca/mthca_provider.c~ib-mthca-fill-in-more-device-query-fields drivers/infiniband/hw/mthca/mthca_provider.c
--- 25/drivers/infiniband/hw/mthca/mthca_provider.c~ib-mthca-fill-in-more-device-query-fields 2005-04-12 03:21:42.634655448 -0700
+++ 25-akpm/drivers/infiniband/hw/mthca/mthca_provider.c 2005-04-12 03:21:42.639654688 -0700
@@ -52,6 +52,8 @@ static int mthca_query_device(struct ib_
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_
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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