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From: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
Cc: roid-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
	linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
	infinipath-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
	target-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	eli-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
	ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org
Subject: [PATCH V4 2/5] ipath,qib: Expose max_sge_rd correctly
Date: Thu, 02 Jul 2015 10:16:14 -0500	[thread overview]
Message-ID: <20150702151614.12946.30191.stgit@build.ogc.int> (raw)
In-Reply-To: <20150702151508.12946.29133.stgit-T4OLL4TyM9aNDNWfRnPdfg@public.gmane.org>

Applications must not assume that max_sge and max_sge_rd are the same,
Hence expose max_sge_rd correctly as well.

Signed-off-by: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
Acked-by: Mike Marciniszyn <mike.marciniszyn-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
---
 drivers/infiniband/hw/ipath/ipath_verbs.c |    1 +
 drivers/infiniband/hw/qib/qib_verbs.c     |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 48253b8..d958236 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -1521,6 +1521,7 @@ static int ipath_query_device(struct ib_device *ibdev, struct ib_device_attr *pr
 	props->max_qp = ib_ipath_max_qps;
 	props->max_qp_wr = ib_ipath_max_qp_wrs;
 	props->max_sge = ib_ipath_max_sges;
+	props->max_sge_rd = ib_ipath_max_sges;
 	props->max_cq = ib_ipath_max_cqs;
 	props->max_ah = ib_ipath_max_ahs;
 	props->max_cqe = ib_ipath_max_cqes;
diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c
index a05d1a3..bc723b5 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.c
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -1574,6 +1574,7 @@ static int qib_query_device(struct ib_device *ibdev, struct ib_device_attr *prop
 	props->max_qp = ib_qib_max_qps;
 	props->max_qp_wr = ib_qib_max_qp_wrs;
 	props->max_sge = ib_qib_max_sges;
+	props->max_sge_rd = ib_qib_max_sges;
 	props->max_cq = ib_qib_max_cqs;
 	props->max_ah = ib_qib_max_ahs;
 	props->max_cqe = ib_qib_max_cqes;

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  parent reply	other threads:[~2015-07-02 15:16 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-02 15:16 [PATCH V4 0/5] iSER support for iWARP Steve Wise
2015-07-02 15:16 ` [PATCH V4 1/5] mlx4, mlx5, mthca: Expose max_sge_rd correctly Steve Wise
2015-07-02 15:16 ` [PATCH V4 4/5] RDMA/isert: Set REMOTE_WRITE on DMA MRs to support iWARP devices Steve Wise
     [not found] ` <20150702151508.12946.29133.stgit-T4OLL4TyM9aNDNWfRnPdfg@public.gmane.org>
2015-07-02 15:16   ` Steve Wise [this message]
2015-07-02 15:16   ` [PATCH V4 3/5] RDMA/iser: Limit sg tablesize and max_sectors to device fastreg max depth Steve Wise
     [not found]     ` <20150702151619.12946.79500.stgit-T4OLL4TyM9aNDNWfRnPdfg@public.gmane.org>
2015-07-05  9:57       ` Sagi Grimberg
     [not found]         ` <5598FFA3.5020508-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-07-05 13:15           ` Steve Wise
2015-07-02 15:16   ` [PATCH V4 5/5] RDMA/isert: Limit read depth based on the device max_sge_rd capability Steve Wise

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