diff options
| author | Jérôme Glisse <jglisse@redhat.com> | 2015-04-06 10:40:34 -0400 |
|---|---|---|
| committer | Jérôme Glisse <jglisse@redhat.com> | 2015-07-17 10:42:27 -0400 |
| commit | f130e38ff4456d2ee7ea6c36e50b556064cb0035 (patch) | |
| tree | b0a8699160d854bcbf5e7843cd4c9bbaf6050b8a | |
| parent | a19762e2013df3b80cd2d589d802d16fff4ad8da (diff) | |
IB/mlx5/hmm: enable ODP using HMM.hmm-v9
All pieces are in place for ODP (on demand paging) to work using HMM.
Signed-off-by: Jérôme Glisse <jglisse@redhat.com>
| -rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 4 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 5 |
2 files changed, 4 insertions, 5 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 165c9cd1e0d2..c5c9bf09c527 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -3444,9 +3444,6 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file, goto end; #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING -#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING_HMM -#error "CONFIG_INFINIBAND_ON_DEMAND_PAGING_HMM not supported at this stage !" -#else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING_HMM */ resp.odp_caps.general_caps = attr.odp_caps.general_caps; resp.odp_caps.per_transport_caps.rc_odp_caps = attr.odp_caps.per_transport_caps.rc_odp_caps; @@ -3455,7 +3452,6 @@ int ib_uverbs_ex_query_device(struct ib_uverbs_file *file, resp.odp_caps.per_transport_caps.ud_odp_caps = attr.odp_caps.per_transport_caps.ud_odp_caps; resp.odp_caps.reserved = 0; -#endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING_HMM */ #else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ memset(&resp.odp_caps, 0, sizeof(resp.odp_caps)); #endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index b731d06b1ae8..1ba31d4165cb 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -295,7 +295,10 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING_HMM -#error "CONFIG_INFINIBAND_ON_DEMAND_PAGING_HMM not supported at this stage !" + if (MLX5_CAP_GEN(mdev, pg) && ibdev->hmm_ready) { + props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING; + props->odp_caps = dev->odp_caps; + } #else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING_HMM */ if (MLX5_CAP_GEN(mdev, pg)) props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING; |