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27 March 2024, 02:37:15 UTC
Revision fc2d004419abebcfd740f46c32dd8201ce1b33c9 authored by Sagi Grimberg on 24 May 2012, 13:08:08 UTC, committed by Roland Dreier on 06 June 2012, 17:08:03 UTC 
IB/mlx4: Fix max_wqe capacity reported from query device
 
1. Limit the max number of WQEs per QP reported when querying the
   device, so that ib_create_qp() will not fail for a QP size that the
   device claimed to support due to additional headroom WQEs being
   allocated.

2. Limit qp resources accepted for ib_create_qp() to the limits
   reported in ib_query_device().  In kernel space, make sure that the
   limits returned to the caller following qp creation also lie within
   the reported device limits. For userspace, report as before, and do
   adjustment in libmlx4 (so as not to break ABI).

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Sagi Grimberg <sagig@mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
1 parent edc4a67
History
Tip revision: fc2d004419abebcfd740f46c32dd8201ce1b33c9 authored by Sagi Grimberg on 24 May 2012, 13:08:08 UTC
IB/mlx4: Fix max_wqe capacity reported from query device
Tip revision: fc2d004
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