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mlx5: Fix missing device local_dma_lkey

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The mlx5 driver exposes device capability IB_DEVICE_LOCAL_DMA_LKEY
but does not set the the device local_dma_lkey. This breaks
rpcrdma drivers.

Query and set this lkey when creating the device resources.

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Sagi Grimberg 2015-07-20 19:54:36 +03:00 • committed by Doug Ledford
parent c13dcf9f2d
commit a3c874200c
4 changed files with 42 additions and 1 deletions
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11
include/linux/mlx5/device.h
View file

@ -402,6 +402,17 @@ struct mlx5_cmd_teardown_hca_mbox_out {
u8 rsvd[8];
};
struct mlx5_cmd_query_special_contexts_mbox_in {
struct mlx5_inbox_hdr hdr;
u8 rsvd[8];
};
struct mlx5_cmd_query_special_contexts_mbox_out {
struct mlx5_outbox_hdr hdr;
__be32 dump_fill_mkey;
__be32 resd_lkey;
};
struct mlx5_cmd_layout {
u8 type;
u8 rsvd0[3];

1
include/linux/mlx5/driver.h
View file

@ -828,6 +828,7 @@ void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol);
int mlx5_register_interface(struct mlx5_interface *intf);
void mlx5_unregister_interface(struct mlx5_interface *intf);
int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id);
int mlx5_core_query_special_context(struct mlx5_core_dev *dev, u32 *rsvd_lkey);
struct mlx5_profile {
u64 mask;