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authorHans Westgaard Ry <hans.westgaard.ry@oracle.com>2020-01-15 14:43:39 +0200
committerLeon Romanovsky <leonro@mellanox.com>2020-01-18 11:48:19 +0200
commit2eafa1746f17872483d1033b0116ec71435ea19d (patch)
tree4765b46e30a6c4418612109e6a42554d4c3c0a00 /net/rds/ib.c
parentc4c86abb3f9fb3d5bc113fb996298a30ec63e07b (diff)
downloadlwn-2eafa1746f17872483d1033b0116ec71435ea19d.tar.gz
lwn-2eafa1746f17872483d1033b0116ec71435ea19d.zip
net/rds: Handle ODP mr registration/unregistration
On-Demand-Paging MRs are registered using ib_reg_user_mr and unregistered with ib_dereg_mr. Signed-off-by: Hans Westgaard Ry <hans.westgaard.ry@oracle.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Diffstat (limited to 'net/rds/ib.c')
-rw-r--r--net/rds/ib.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/rds/ib.c b/net/rds/ib.c
index 3fd5f40189bd..a792d8a3872a 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -156,6 +156,13 @@ static void rds_ib_add_one(struct ib_device *device)
has_fmr = (device->ops.alloc_fmr && device->ops.dealloc_fmr &&
device->ops.map_phys_fmr && device->ops.unmap_fmr);
rds_ibdev->use_fastreg = (has_fr && !has_fmr);
+ rds_ibdev->odp_capable =
+ !!(device->attrs.device_cap_flags &
+ IB_DEVICE_ON_DEMAND_PAGING) &&
+ !!(device->attrs.odp_caps.per_transport_caps.rc_odp_caps &
+ IB_ODP_SUPPORT_WRITE) &&
+ !!(device->attrs.odp_caps.per_transport_caps.rc_odp_caps &
+ IB_ODP_SUPPORT_READ);
rds_ibdev->fmr_max_remaps = device->attrs.max_map_per_fmr?: 32;
rds_ibdev->max_1m_mrs = device->attrs.max_mr ?