Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 8cf2daf3 authored by Roland Dreier's avatar Roland Dreier Committed by Linus Torvalds
Browse files

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



Implement more of the device_query method in mthca.

Signed-off-by: default avatarRoland Dreier <roland@topspin.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 86562a13

drivers/infiniband/hw/mthca/mthca_cmd.c

+2 −0
Original line number Diff line number Diff line
@@ -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

+18 −4
Original line number Diff line number Diff line
@@ -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);